@import "https://fonts.googleapis.com/css2?family=DM+Mono&family=Manrope:wght@400;500;600;700;800&display=swap";.annotated-lesson ::selection{background:var(--highlight-background);color:var(--highlight-foreground)}.markdown .lesson-highlight,.annotation-excerpt mark{background:var(--highlight-background);color:var(--highlight-foreground);-webkit-box-decoration-break:clone;box-decoration-break:clone;border-radius:2px;padding:.04em .06em}.markdown .lesson-highlight{cursor:pointer}.markdown .lesson-highlight:hover{background:var(--highlight-hover)}.markdown .lesson-highlight:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.lesson-annotation-hint{border-block:1px solid var(--color-border-subtle);color:var(--color-text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 20px;margin-bottom:24px;padding-block:14px;font-size:12px;display:flex}.lesson-annotation-hint a{min-height:32px;color:var(--color-accent);align-items:center;gap:8px;display:inline-flex}.annotation-toolbar{z-index:45;border:1px solid var(--color-border-subtle);background:var(--color-surface-on-dark);max-width:calc(100vw - 32px);color:var(--color-text-on-dark);box-shadow:0 8px 24px color-mix(in srgb, var(--color-shadow) 18.82%, transparent);border-radius:8px;flex-wrap:wrap;padding:4px;animation:.14s ease-out annotation-enter;display:flex;position:fixed}.annotation-toolbar button{min-height:44px;color:inherit;cursor:pointer;background:0 0;border:0;border-radius:4px;padding:10px 16px;font:600 13px Manrope,sans-serif}.annotation-toolbar button+button{border-left:1px solid var(--color-border-on-dark)}.annotation-toolbar button:hover{background:color-mix(in srgb, var(--color-accent-on-dark) 12%, var(--color-surface-on-dark))}.annotation-toolbar button:disabled{opacity:.7;cursor:wait}.annotation-toolbar>span{padding:12px;font-size:12px}.annotation-toolbar-error{border-top:1px solid var(--color-border-on-dark);flex-basis:100%;max-width:280px;margin:0;padding:8px 12px;font-size:12px;line-height:1.7}.annotation-toolbar .annotation-toolbar-error button{padding:4px 0;font-size:12px;text-decoration:underline}.annotation-toolbar button:focus-visible{outline:2px solid var(--highlight-background);outline-offset:-2px}.annotation-status{min-height:20px;color:var(--color-text-secondary);margin:12px 0;font-size:12px}.annotation-status:empty{min-height:0;margin:0}.annotation-error{color:var(--color-text-primary);border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:6px;padding:12px 16px;font-size:13px;line-height:1.7}.annotation-error button{color:var(--color-accent);cursor:pointer;background:0 0;border:0;text-decoration:underline}.annotation-dialog{border:1px solid var(--color-border-subtle);background:var(--color-surface-raised);width:min(560px,100vw - 32px);max-height:calc(100dvh - 32px);color:var(--color-text-primary);border-radius:12px;padding:28px;overflow:auto}.annotation-dialog::backdrop{background:color-mix(in srgb, var(--color-shadow) 60%, transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.annotation-dialog-heading{justify-content:space-between;align-items:center;gap:16px;margin-bottom:24px;display:flex}.annotation-dialog h2{margin:0;font:700 25px Manrope,sans-serif}.annotation-dialog .annotation-close{width:44px;height:44px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;flex-shrink:0;font-size:26px}.annotation-excerpt{white-space:pre-wrap;overflow-wrap:anywhere;border:0;margin:20px 0;padding:0;font-size:15px;line-height:1.9}.annotation-dialog .annotation-excerpt{max-height:180px;overflow:auto}.annotation-dialog label{margin-bottom:10px;font-size:13px;font-weight:600;display:block}.annotation-dialog textarea{resize:vertical;border:1px solid var(--color-border-control);background:var(--color-page-background);width:100%;min-height:130px;color:var(--color-text-primary);border-radius:6px;padding:14px;font:14px/1.7 Manrope,sans-serif;display:block}.annotation-dialog-help{color:var(--color-text-secondary);font-size:12px;line-height:1.7}.annotation-dialog-actions{justify-content:flex-end;gap:12px;margin-top:24px;display:flex}.annotation-dialog-actions button,.annotation-primary{border:1px solid var(--color-border-control);min-height:44px;color:var(--color-text-primary);cursor:pointer;background:0 0;border-radius:6px;justify-content:center;align-items:center;gap:16px;padding:12px 18px;font:600 13px Manrope,sans-serif;display:inline-flex}.annotation-dialog-actions .annotation-primary,.annotation-primary{background:var(--color-action-background);color:var(--color-on-accent);border-color:var(--color-accent)}.annotation-dialog-actions .annotation-danger{color:var(--color-text-primary);background:color-mix(in srgb, var(--color-error) 14%, var(--color-surface));border-color:color-mix(in srgb, var(--color-error) 45%, var(--color-border-subtle))}.annotation-dialog-actions button:disabled{opacity:.6;cursor:wait}.annotations-page{background:var(--color-page-background);min-height:100vh}.annotations-heading{max-width:780px;margin-bottom:44px}.annotations-heading h1{margin:16px 0 24px;font-size:clamp(44px,6vw,76px);line-height:1.05}.annotations-heading>p:not(.eyebrow){max-width:640px;color:var(--color-text-secondary);font-size:16px;line-height:1.8}.annotations-heading>span{color:var(--color-text-secondary);margin-top:24px;font:11px DM Mono,monospace;display:block}.annotations-filters{grid-template-columns:minmax(0,2fr) minmax(0,1fr) minmax(0,1fr);gap:16px;margin-bottom:28px;display:grid}.annotations-filters label{gap:10px;min-width:0;display:grid}.annotations-filters label>span{color:var(--color-text-secondary);font-size:12px}.annotations-filters input,.annotations-filters select{border:1px solid var(--color-border-control);background:var(--color-surface);width:100%;min-height:48px;color:var(--color-text-primary);border-radius:6px;padding:10px 12px;font:13px Manrope,sans-serif}.annotations-select-control{display:block;position:relative}.annotations-filters select{appearance:none;padding-right:44px}.annotations-select-control:after{content:"";border-right:2px solid var(--color-text-primary);border-bottom:2px solid var(--color-text-primary);pointer-events:none;width:7px;height:7px;position:absolute;top:50%;right:18px;transform:translateY(-70%)rotate(45deg)}.annotations-filters input::placeholder,.annotation-dialog textarea::placeholder{color:var(--color-text-secondary);opacity:1}.annotations-results{color:var(--color-text-secondary);margin:24px 0;font:11px DM Mono,monospace}.annotations-list{gap:20px;display:grid}.annotation-card{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:10px;min-width:0;padding:28px}.annotation-card-meta{color:var(--color-text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 16px;font:10px DM Mono,monospace;display:flex}.annotation-card h2{margin:20px 0;font:700 22px/1.4 Manrope,sans-serif}.annotation-note{border-top:1px solid var(--color-border-subtle);margin-top:24px;padding-top:20px}.annotation-note>span{color:var(--color-text-secondary);font:10px DM Mono,monospace}.annotation-note p{white-space:pre-wrap;overflow-wrap:anywhere;margin:10px 0;font-size:14px;line-height:1.8}.annotation-card-actions{border-top:1px solid var(--color-border-subtle);flex-wrap:wrap;align-items:center;gap:4px 24px;margin-top:20px;padding-top:12px;display:flex}.annotation-card-actions a,.annotation-card-actions button{min-height:44px;color:var(--color-accent);cursor:pointer;background:0 0;border:0;align-items:center;gap:8px;padding:4px 0;font:600 12px Manrope,sans-serif;display:inline-flex}.annotation-card-actions .annotation-delete-link{color:var(--color-error);margin-left:auto}.annotations-empty{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:10px;padding:40px}.annotations-empty h2{margin:20px 0;font:700 28px/1.3 Manrope,sans-serif}.annotations-empty p{max-width:580px;color:var(--color-text-secondary);margin-bottom:24px;font-size:14px;line-height:1.8}.annotations-empty-mark{color:var(--highlight-foreground);background:var(--highlight-background);padding:2px 8px;font-size:26px;display:inline-block}.annotations-export{border-top:1px solid var(--color-border-subtle);grid-template-columns:minmax(0,1fr) minmax(240px,300px);gap:28px 64px;margin-top:48px;padding-top:40px;display:grid}.annotations-export-copy h2{margin:0 0 18px;font:700 clamp(28px,4vw,36px)/1.15 Manrope,sans-serif}.annotations-export-copy>p:not(.eyebrow){max-width:610px;color:var(--color-text-secondary);margin:0;font-size:14px;line-height:1.8}.annotations-export-copy>p.annotations-export-scope{margin-top:14px;font-size:12px}.annotations-export-actions{align-content:center;gap:12px;display:grid}.annotations-export-button{border:1px solid var(--color-text-primary);text-align:left;cursor:pointer;border-radius:6px;justify-content:space-between;align-items:center;gap:20px;width:100%;min-height:72px;padding:16px 20px;font:600 13px Manrope,sans-serif;transition:background .16s,border-color .16s;display:flex}.annotations-export-button small{opacity:1;margin-top:7px;font:10px DM Mono,monospace;display:block}.annotations-export-button svg{flex:none}.annotations-export-secondary{background:var(--color-surface);color:var(--color-text-primary);border-color:var(--color-border-control)}.annotations-export-help{max-width:800px;color:var(--color-text-secondary);grid-column:1/-1;margin:0;font-size:12px;line-height:1.8}.annotations-export-help a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}@media (hover:hover){.annotations-export-button:hover{background:var(--color-action-hover);color:var(--color-on-accent)}.annotations-export-secondary:hover{background:var(--color-page-background);border-color:var(--color-text-primary);color:var(--color-text-primary)}}.annotations-page :is(input,select,button,a):focus-visible,.annotation-dialog :is(textarea,button):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}@keyframes annotation-enter{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}@media (width<=760px){.annotations-filters{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 12px}.annotations-filters label:first-child{grid-column:1/-1}.annotation-card{padding:22px 18px}.annotation-card h2{font-size:20px}.annotation-dialog{padding:20px}.annotation-dialog h2{font-size:23px}.annotation-toolbar button{padding-inline:14px}.annotations-empty{padding:28px 20px}.annotations-empty h2{font-size:25px}.annotation-card-actions{column-gap:20px}.annotations-export{grid-template-columns:minmax(0,1fr);gap:24px;margin-top:36px;padding-top:28px}.annotations-export-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.annotations-export-button{gap:12px;padding:14px}}@media (prefers-reduced-motion:reduce){.annotation-toolbar{animation:none}.annotations-export-button{transition:none}}@media (width<=480px){.annotations-export-actions{grid-template-columns:minmax(0,1fr)}}@media (width<=360px){.annotations-filters{grid-template-columns:minmax(0,1fr)}}.completion-icon{background:var(--color-surface-subtle);width:22px;height:22px;color:var(--color-text-secondary);border-radius:50%;flex:none;justify-content:center;align-items:center;display:inline-flex}.completion-icon svg{width:18px;height:18px;display:block}.completion-icon.is-current{background:var(--color-on-accent);color:var(--color-accent)}.completion-icon.is-completed{background:var(--color-success-solid);color:var(--color-on-status)}.study-sidebar .nav-group a.sidebar-study-link.has-completion-status{align-items:flex-start;gap:10px;display:flex}.sidebar-study-link.has-completion-status .completion-icon{width:20px;height:20px;margin-top:1px}.sidebar-study-link.has-completion-status .sidebar-link-title{align-self:center;min-width:0}.sidebar-study-link.has-completion-status .completion-icon.is-completed{box-shadow:0 0 0 3px var(--color-success-surface)}.mobile-navigation-section a.mobile-course-link{align-items:flex-start;gap:10px;display:flex}.mobile-course-link>span:last-child{align-self:center;min-width:0}.lesson-study-actions>p{line-height:1.55}.lesson-assessment-actions{flex-wrap:wrap;align-items:center;gap:16px;display:flex}.lesson-study-actions .lesson-assessment-actions>:is(a,button){text-align:center;justify-content:center;align-items:center;gap:10px;max-width:100%;min-height:48px;font:600 14px/1.4 Manrope,sans-serif;display:inline-flex}.lesson-completion-button{cursor:pointer}.lesson-study-actions .lesson-completion-button.is-completed{color:var(--color-on-status);background:var(--color-success-solid);border-color:var(--color-success-solid)}.lesson-completion-button:disabled{cursor:wait;opacity:.65}.lesson-completion-button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.lesson-completion-button .completion-icon{background:0 0}.lesson-completion-help{color:var(--color-text-secondary);margin-top:12px;font-size:12px;line-height:1.5;display:block}.lesson-completion-error{color:var(--color-error);margin-top:16px;font-size:14px}.lesson-completion-error p{color:inherit;margin:0 0 8px;line-height:1.55}.illustrated-card .study-completion-strip{flex-wrap:wrap;align-items:center;gap:10px;margin:auto 0 14px;display:flex}.study-completion-segments{flex-wrap:wrap;gap:4px;display:inline-flex}.study-completion-segment{border:1px solid var(--card-muted);background:color-mix(in srgb, var(--card-ink) 8%, transparent);border-radius:3px;width:14px;height:14px;display:block}.study-completion-segment.is-completed{background:var(--color-success);border-color:var(--color-success)}.illustrated-card:first-child:not(.is-study-completed) .study-completion-segment.is-completed{background:var(--color-success-solid);border-color:var(--card-ink)}.study-completion-label{color:var(--card-ink);align-items:center;gap:6px;font-size:12px;font-weight:700;line-height:1.4;display:inline-flex}.illustrated-card:has(.study-completion-strip) .card-cta{margin-top:0}.illustrated-card.is-study-completed:nth-child(n){--card-ink:var(--color-text-on-dark);--card-muted:var(--color-text-secondary-on-dark);--card-accent:var(--color-accent-on-dark);background:var(--study-completed-background);border-color:var(--color-success-solid)}.illustrated-card.is-study-completed .study-completion-segment.is-completed{background:var(--color-success-on-dark);border-color:var(--color-success-on-dark)}@media (hover:hover){.lesson-completion-button.is-completed:hover:not(:disabled){color:var(--color-on-status);background:var(--color-success-solid-hover);border-color:var(--color-success-solid-hover)}}@media (width<=640px){.lesson-assessment-actions>:is(a,button){width:100%}}@container (width<=640px){.lesson-assessment-actions>:is(a,button){width:100%}}.account-menu{--account-plan-accent:var(--color-accent)}.account-error:has(.account-reauth){grid-template-columns:minmax(0,1fr) auto;gap:12px 16px;display:grid}.account-error:has(.account-reauth) p{grid-column:1}.account-error:has(.account-reauth) button[aria-label=Cerrar\ aviso]{grid-area:1/2;align-self:start;min-width:32px;min-height:32px}.app-nav .account-error .account-reauth{border:1px solid var(--color-border-control);background:var(--color-surface);min-height:44px;color:var(--color-text-primary);text-align:left;cursor:pointer;border-radius:8px;grid-area:2/1;margin:0;padding:10px 12px;font:600 13px/1.5 Manrope,sans-serif;display:block;position:static}.app-nav .account-error .account-reauth:hover:not(:disabled){background:var(--color-surface-subtle)}.app-nav .account-error .account-reauth:disabled{opacity:.65;cursor:wait}.app-nav .account-error .account-reauth:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.account-menu .account-dropdown{width:min(288px,100vw - 40px);box-shadow:0 16px 40px color-mix(in srgb, var(--color-shadow) 14.12%, transparent);border-radius:12px;gap:0;padding:0;top:calc(100% + 12px);overflow:hidden}.account-dropdown-identity{border-bottom:1px solid var(--color-border-subtle);background:radial-gradient(ellipse at top right, color-mix(in srgb, var(--account-plan-accent) 14%, transparent), transparent 78%);grid-template-columns:minmax(0,1fr) 72px;align-items:center;gap:12px;min-height:108px;padding:18px 20px;display:grid}.account-dropdown-identity>div{min-width:0}.account-dropdown-identity strong{overflow-wrap:anywhere;font-size:14px;line-height:1.5;display:block}.account-dropdown-identity span{color:var(--color-text-secondary);letter-spacing:.04em;margin-top:7px;font:11px/1.6 DM Mono,monospace;display:block}.account-plan-bird{object-fit:contain;width:72px;height:72px;filter:drop-shadow(0 3px 3px color-mix(in srgb, var(--color-shadow) 9.41%, transparent));display:block}.account-dropdown-actions{gap:2px;padding:10px;display:grid}.app-nav .account-menu .account-dropdown-actions>:is(a,button){min-height:44px;color:var(--color-text-primary);text-align:left;cursor:pointer;background:0 0;border:0;border-radius:6px;align-items:center;padding:10px 12px;font:13px/1.5 Manrope,sans-serif;transition:background .15s;display:flex}.app-nav .account-menu .account-dropdown-actions>:is(a,button):hover:not(:disabled){background:color-mix(in srgb, var(--color-text-primary) 7%, transparent)}.app-nav .account-menu .account-dropdown-actions>:is(a,button):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:-2px}.app-nav .account-menu .account-dropdown-actions>button:disabled{opacity:.6;cursor:wait}.app-nav .account-menu .account-dropdown-actions>.account-signout{border-top:1px solid var(--color-border-subtle);border-radius:0 0 6px 6px;margin-top:4px}.account-menu[open] .account-dropdown{animation:.16s ease-out account-menu-enter}@keyframes account-menu-enter{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}@media (width<=760px){.app-topbar .account-area{position:static}.app-topbar .account-menu .account-dropdown{top:calc(100% + 8px);right:var(--site-layout-gutter)}}@media (prefers-reduced-motion:reduce){.account-menu[open] .account-dropdown{animation:none}.app-nav .account-menu .account-dropdown-actions>:is(a,button){transition:none}}.brand-logo{flex:none;width:230px;display:block}.brand-logo picture,.brand-logo img{width:100%;display:block}.brand-logo img{height:auto}.brand-logo>.brand-logo-on-dark,[data-theme=dark] .brand-logo>.brand-logo-on-light{display:none}[data-theme=dark] .brand-logo>.brand-logo-on-dark{display:block}:root .brand-logo.brand-logo--inverse>.brand-logo-on-light{display:none}:root .brand-logo.brand-logo--inverse>.brand-logo-on-dark{display:block}.app-topbar .app-brand,.site-wide-footer .site-footer-brand{border-radius:4px;flex:none;align-items:center;min-width:0;min-height:44px;line-height:0;display:flex}.app-topbar .brand-logo{width:248px}@media (width<=1100px){.app-topbar .brand-logo{width:210px}}@media (width>=761px) and (width<=900px){.app-topbar .brand-logo{width:164px}}@media (width<=760px){.app-topbar .brand-logo{width:128px}.site-wide-footer .brand-logo{width:190px}}@media (width<=360px){.app-topbar .brand-logo{width:104px}.app-topbar .app-topbar-inner.site-layout{gap:6px}.app-topbar .app-topbar-inner .app-nav .app-pricing-link,.app-topbar .app-topbar-inner .app-nav .account-login{min-width:44px;padding-inline:6px}}.app-topbar{--topbar-surface:var(--color-surface);z-index:25;min-height:var(--site-topbar-height);border-bottom:1px solid var(--color-border-subtle);background:var(--topbar-surface);align-self:start;position:sticky;top:0}.app-topbar-dark{--topbar-surface:var(--color-surface-on-dark)}.app-topbar .app-topbar-inner{min-height:calc(var(--site-topbar-height) - 1px)}.app-topbar .app-search-full{font:inherit;display:contents}.app-topbar .app-search-compact{font:inherit;display:none}.app-search-icon{flex-shrink:0;width:18px;height:18px;display:block}@supports ((-webkit-backdrop-filter:blur(18px)) or (backdrop-filter:blur(18px))){.app-topbar{background:color-mix(in srgb, var(--topbar-surface) 50%, transparent);-webkit-backdrop-filter:blur(18px)saturate(115%);backdrop-filter:blur(18px)saturate(115%)}}.app-topbar .app-menu-toggle,.mobile-navigation{display:none}@media (width>=761px) and (width<=1050px){.app-topbar .app-search{white-space:nowrap;flex:none;justify-content:center;align-items:center;width:auto;min-width:0;max-width:none;padding:9px 12px;font:600 13px/1.5 Manrope,sans-serif;display:inline-flex}.app-topbar .app-search-full{display:none}.app-topbar .app-search-compact{align-items:center;gap:8px;display:inline-flex}.app-topbar .app-search:hover{background:var(--color-accent-surface);border-color:var(--color-accent);color:var(--color-accent)}.app-topbar .app-search:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}}@media (width>=761px) and (width<=900px){.app-topbar .app-topbar-inner{gap:12px}}@media (width<=760px){.app-topbar .app-topbar-inner{flex-wrap:nowrap;gap:8px;padding-block:0}.app-topbar .app-nav{flex-shrink:0;gap:8px;margin-left:auto}.app-topbar .app-nav>a:not(.app-pricing-link),.app-topbar .app-nav>a.is-active:not(.app-pricing-link),.app-topbar .app-nav>.app-theme-toggle{display:none}.app-topbar .app-nav>.app-pricing-link{align-items:center;min-height:44px;padding:8px 12px;display:flex}.app-topbar .account-menu>summary{place-items:center;width:44px;height:44px;display:grid}.app-topbar .app-nav .account-login{min-height:44px}.app-topbar .app-menu-toggle{border:1px solid var(--color-border-control);width:44px;height:44px;color:inherit;cursor:pointer;background:0 0;border-radius:50%;flex-shrink:0;place-items:center;padding:0;display:grid}.app-topbar-dark .app-menu-toggle{border-color:var(--color-border-on-dark)}.app-menu-lines{gap:5px;width:18px;display:grid}.app-menu-lines i{background:currentColor;width:100%;height:1.5px;transition:transform .18s,opacity .18s;display:block}.app-menu-toggle[aria-expanded=true] .app-menu-lines i:first-child{transform:translateY(6.5px)rotate(45deg)}.app-menu-toggle[aria-expanded=true] .app-menu-lines i:nth-child(2){opacity:0}.app-menu-toggle[aria-expanded=true] .app-menu-lines i:last-child{transform:translateY(-6.5px)rotate(-45deg)}.app-menu-toggle:hover,.app-menu-toggle[aria-expanded=true]{background:color-mix(in srgb, currentColor 8%, transparent)}.app-menu-toggle:focus-visible,.mobile-navigation :is(a,button,summary):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.app-topbar .mobile-navigation{width:100%;max-height:calc(100vh - var(--site-topbar-height));max-height:calc(100dvh - var(--site-topbar-height));overscroll-behavior:contain;background:var(--color-surface);color:var(--color-text-primary);border-bottom:1px solid var(--color-border-subtle);box-shadow:0 18px 28px color-mix(in srgb, var(--color-shadow) 14.12%, transparent);animation:.2s ease-out both mobile-navigation-enter;display:block;position:absolute;top:100%;left:0;overflow-y:auto}.mobile-navigation-inner{padding-block:24px max(24px, env(safe-area-inset-bottom))}.mobile-navigation-heading{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.mobile-navigation-heading>span{letter-spacing:.1em;color:var(--color-text-secondary);font:10px DM Mono,monospace}.mobile-navigation-heading a{align-items:center;gap:12px;min-height:44px;font-size:13px;display:flex}.mobile-navigation-primary{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.mobile-navigation-primary a{border:1px solid var(--color-border-control);background:color-mix(in srgb, var(--color-accent) 5%, var(--color-surface));border-radius:8px;align-content:start;gap:12px;padding:18px 14px;display:grid}.mobile-navigation-primary strong{letter-spacing:-.4px;justify-content:space-between;gap:4px;font-size:15px;display:flex}.mobile-navigation-primary a>span{color:var(--color-text-secondary);font-size:12px;line-height:1.6}.mobile-navigation-primary a[aria-current=page]{border-color:var(--color-accent)}.mobile-navigation-primary strong>span{color:var(--color-accent);font-weight:400}.mobile-navigation-shortcuts{padding-block:12px;display:grid}.mobile-navigation :is(.mobile-navigation-shortcuts,.mobile-navigation-tests) a{justify-content:space-between;align-items:center;gap:16px;min-height:44px;padding-block:10px;font-size:14px;display:flex}.mobile-navigation-shortcuts a>span,.mobile-navigation-tests a>span{color:var(--color-text-secondary)}.mobile-navigation summary{cursor:pointer;align-items:center;gap:12px;min-height:56px;font-size:14px;font-weight:600;list-style:none;display:flex}.mobile-navigation summary::-webkit-details-marker{display:none}.mobile-navigation summary small{color:var(--color-text-secondary);white-space:nowrap;margin-left:auto;font-size:11px;font-weight:400}.mobile-navigation-group{border-top:1px solid var(--color-border-subtle)}.mobile-navigation-group:last-child{border-bottom:1px solid var(--color-border-subtle)}.mobile-navigation-chevron{border-bottom:1.5px solid;border-right:1.5px solid;flex-shrink:0;width:7px;height:7px;margin-left:auto;margin-right:3px;transition:transform .18s;transform:rotate(45deg)}summary small+.mobile-navigation-chevron{margin-left:0}details[open]>summary>.mobile-navigation-chevron{transform:rotate(225deg)}.mobile-navigation-lessons,.mobile-navigation-tests{padding:0 12px 12px}.mobile-navigation-section{border-top:1px solid var(--color-border-subtle)}.mobile-navigation-section summary{min-height:48px;font-weight:400}.mobile-navigation-section>div{padding-bottom:12px;display:grid}.mobile-navigation-section a{min-height:44px;color:var(--color-text-secondary);align-items:center;padding:10px 12px;font-size:13px;line-height:1.6;display:flex}.mobile-navigation-settings{justify-content:space-between;align-items:center;gap:16px;margin-top:18px;font-size:13px;display:flex}.mobile-navigation-settings>span{color:var(--color-text-secondary)}.mobile-navigation-settings button{min-height:44px;color:var(--color-text-primary);border:1px solid var(--color-border-control);font:inherit;cursor:pointer;background:0 0;border-radius:999px;align-items:center;gap:10px;padding:8px 14px;display:flex}.mobile-navigation-settings button span{font-size:20px}.mobile-navigation-footer{border-top:1px solid var(--color-border-subtle);flex-wrap:wrap;column-gap:20px;margin-top:20px;padding-top:12px;display:flex}.mobile-navigation-footer a,.mobile-navigation-footer button{min-height:44px;color:var(--color-text-secondary);text-align:left;cursor:pointer;background:0 0;border:0;align-items:center;padding:0;font-size:11px;display:flex}.mobile-navigation-search{border:1px solid var(--color-border-subtle);width:100%;min-height:44px;color:var(--color-text-secondary);font:inherit;text-align:left;cursor:pointer;background:0 0;border-radius:6px;align-items:center;gap:10px;margin-bottom:16px;padding:10px 12px;font-size:13px;display:flex}.mobile-navigation-search span:last-child{margin-left:auto}.mobile-navigation :is(a,summary,button):hover{color:var(--color-accent)}@keyframes mobile-navigation-enter{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}}@media (width<=360px){.app-topbar .app-brand{font-size:15px}.app-topbar .app-brand b{margin-right:4px;font-size:22px}.app-topbar .app-nav{gap:4px}.app-topbar .app-nav>.app-pricing-link{padding-inline:8px}.app-topbar .app-nav .account-login{padding-inline:7px}.mobile-navigation-primary{gap:8px}.mobile-navigation-primary a{padding:16px 10px}.mobile-navigation-primary strong{font-size:13px}}@media (prefers-reduced-motion:reduce){.app-topbar .mobile-navigation{animation:none}.app-menu-lines i,.mobile-navigation-chevron{transition:none}}.annotation-feature-surface{isolation:isolate;background:var(--color-surface-on-dark);color:var(--color-text-on-dark);border-radius:16px;position:relative;overflow:hidden}.annotation-feature-media{z-index:-1;position:absolute;inset:0}.annotation-feature-media img{object-fit:cover;object-position:66% 38%;width:100%;height:100%;display:block}.annotation-feature-media:after{content:"";background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 96.08%, transparent) 0%, color-mix(in srgb, var(--color-media-scrim) 87.84%, transparent) 38%, color-mix(in srgb, var(--color-media-scrim) 31.37%, transparent) 70%, color-mix(in srgb, var(--color-media-scrim) 3.92%, transparent)), linear-gradient(0deg, color-mix(in srgb, var(--color-media-scrim) 27.06%, transparent), transparent 70%);position:absolute;inset:0}.annotation-feature-label{color:var(--color-text-secondary-on-dark);letter-spacing:.12em;margin:0 0 20px;font:10px/1.8 DM Mono,monospace}.annotations-promo{background:var(--color-page-background);color:var(--color-text-primary)}.annotations-promo-copy{max-width:630px;padding:48px;position:relative}.annotations-promo .annotations-promo-title{color:var(--color-text-on-dark);text-wrap:balance;margin:0;font:800 clamp(38px,4.5vw,64px)/1.04 Manrope,sans-serif}.annotations-promo-title span{color:var(--color-accent-on-dark)}.annotations-promo-description{max-width:490px;color:var(--color-text-on-dark);margin:24px 0;font-size:15px;line-height:1.8}.annotations-promo-benefits{color:var(--color-text-secondary-on-dark);flex-wrap:wrap;gap:10px 20px;margin:0 0 28px;padding:0;font:11px/1.6 DM Mono,monospace;list-style:none;display:flex}.annotations-promo-benefits li+li{border-left:1px solid color-mix(in srgb, var(--color-shadow) 31.37%, transparent);padding-left:20px}.annotation-feature-cta{background:var(--color-accent-on-dark);min-height:48px;color:var(--highlight-foreground);border-radius:999px;justify-content:space-between;align-items:center;gap:28px;padding:14px 22px;font:700 13px Manrope,sans-serif;transition:background .18s,transform .18s;display:inline-flex}.annotation-feature-cta span{font-size:19px;line-height:1}.annotation-feature-cta:focus-visible{outline:2px solid var(--color-accent-on-dark);outline-offset:5px}.annotations-promo-access{max-width:420px;color:var(--color-text-secondary-on-dark);margin:20px 0 0;font-size:11px;line-height:1.8}.annotations-promo-count{color:var(--color-accent-on-dark);margin:14px 0 0;font-size:12px;line-height:1.7}.annotations-heading.annotations-library-hero{border-radius:0;width:100%;max-width:none;min-height:400px;margin:0}.annotations-library-hero-copy{max-width:650px;padding-block:64px;position:relative}.annotations-library-hero .annotations-library-hero-copy h1{color:var(--color-text-on-dark);font:var(--hero-heading-font);text-wrap:balance;margin:0 0 22px}.annotations-library-hero-copy>p:not(.annotation-feature-label){max-width:460px;color:var(--color-text-on-dark);margin:0;font-size:15px;line-height:1.8}.annotations-library-hero-copy>span{color:var(--color-text-secondary-on-dark);margin-top:26px;font:10px/1.8 DM Mono,monospace;display:block}@media (hover:hover){.annotation-feature-cta:hover{background:var(--color-accent-on-dark-hover);transform:translateY(-2px)}}@media (width<=1000px){.annotations-promo-copy{max-width:590px;padding:40px}}@media (width<=760px){.annotations-promo-copy{max-width:100%;padding:215px 24px 28px}.annotations-library-hero-copy{max-width:100%;padding-block:215px 40px}.annotation-feature-media{height:245px;bottom:auto}.annotation-feature-media img{object-position:85% 54%}.annotation-feature-media:after{background:linear-gradient(0deg, var(--color-surface-on-dark), color-mix(in srgb, var(--color-media-scrim) 0.0%, transparent) 80%)}.annotations-promo .annotations-promo-title{font-size:clamp(34px,8vw,48px)}.annotations-promo-description{margin:20px 0;font-size:14px}.annotations-promo-benefits{gap:8px 16px;font-size:10px}.annotations-promo-benefits li+li{border:0;padding-left:0}.annotations-promo .annotation-feature-label{margin-bottom:16px}.annotations-heading.annotations-library-hero{min-height:0}.annotations-library-hero-copy>p:not(.annotation-feature-label){font-size:14px}.annotations-library-hero-copy>span{margin-top:22px}}@media (prefers-reduced-motion:reduce){.annotation-feature-cta{transition:none}.annotation-feature-cta:hover{transform:none}}.profile-page{background:var(--color-page-background);min-height:100vh;color:var(--color-text-primary)}.profile-main{padding-block:48px 64px}.profile-main :is(h1,h2,h3){color:var(--color-text-primary);text-wrap:pretty;font-family:Manrope,sans-serif}.profile-main a{color:var(--color-accent);text-underline-offset:4px}.profile-main :is(a,button,select):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.profile-main .eyebrow{color:var(--color-accent);letter-spacing:1.5px;margin:0 0 12px;font:11px/1.5 DM Mono,monospace}.profile-heading{justify-content:space-between;align-items:end;gap:28px;margin-bottom:32px;display:flex}.profile-heading h1{margin:0 0 12px;font-size:clamp(32px,3.7vw,46px);font-weight:800;line-height:1.15}.profile-heading p:last-child{color:var(--color-text-secondary);margin:0;font-size:15px;line-height:1.7}.profile-heading-link{flex:none;padding-block:12px;font-size:14px;font-weight:700;text-decoration:none}.profile-heading-link span{margin-left:20px}.profile-panel,.profile-metric{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:16px}.profile-panel{padding:28px}.profile-identity{flex-wrap:wrap;align-items:center;gap:24px;margin-bottom:24px;display:flex}.profile-user{flex:1;align-items:center;gap:18px;min-width:0;display:flex}.profile-user>div:last-child{min-width:0}.profile-avatar{background:var(--color-accent-surface);width:68px;height:68px;color:var(--color-accent);border:1px solid var(--color-border-subtle);border-radius:50%;flex:none;place-items:center;font:800 22px/1 Manrope,sans-serif;display:grid;overflow:hidden}.profile-avatar img{object-fit:cover;width:100%;height:100%}.profile-user h2{margin:0 0 5px;font-size:22px;line-height:1.3}.profile-user p{color:var(--color-text-secondary);overflow-wrap:anywhere;margin:0 0 8px;font-size:13px;line-height:1.5}.profile-user small{color:var(--color-text-secondary);font-size:11px;line-height:1.6}.profile-membership{border-inline-start:1px solid var(--color-border-subtle);align-items:center;gap:12px;padding-inline:24px;display:flex}.profile-membership img{object-fit:contain;width:64px;height:64px}.profile-membership .eyebrow{margin-bottom:5px;font-size:10px;display:block}.profile-membership strong{font:800 21px/1.2 Manrope,sans-serif;display:block}.profile-membership small{color:var(--color-text-secondary);margin-top:6px;font-size:11px;display:block}.profile-billing .membership-secondary{white-space:nowrap;border-radius:8px;align-items:center;gap:16px;min-height:44px;padding:12px 16px;font-size:12px;text-decoration:none;display:inline-flex}.profile-access-note{color:var(--color-text-secondary);font-size:12px}.profile-paused{border:1px solid var(--color-border-control);background:var(--color-accent-surface);border-radius:12px;justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;padding:22px 28px;display:flex}.profile-paused strong{font:800 18px/1.4 Manrope,sans-serif}.profile-paused p{max-width:700px;color:var(--color-text-secondary);margin:8px 0 0;font-size:13px;line-height:1.7}.profile-paused a{flex:none;font-size:12px}.profile-metrics{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:24px;display:grid}.profile-metric{flex-direction:column;min-width:0;padding:24px;display:flex}.profile-metric .eyebrow{font-size:10px}.profile-metric-value{color:var(--color-text-primary);letter-spacing:-1px;font-variant-numeric:tabular-nums;margin:4px 0 14px;font:800 clamp(32px,3.3vw,42px)/1.1 Manrope,sans-serif;display:block}.profile-metric-value>span{color:var(--color-text-secondary);font-size:19px;font-weight:600}.profile-metric>p:not(.eyebrow){color:var(--color-text-secondary);margin:0 0 16px;font-size:12px;line-height:1.6}.profile-progress-track{background:var(--color-border-subtle);border-radius:3px;height:5px;overflow:hidden}.profile-progress-track>span{width:var(--progress);background:var(--color-accent);border-radius:inherit;height:100%;display:block}.profile-metric>.profile-progress-track{margin-top:auto}.profile-metric a{justify-content:space-between;align-items:center;gap:12px;margin-top:18px;font-size:11px;font-weight:700;line-height:1.5;text-decoration:none;display:flex}.profile-metric a:hover,.profile-heading-link:hover{text-decoration:underline}.profile-metric-spacer{flex:1}.profile-evaluation-coverage{color:var(--color-text-secondary);justify-content:space-between;align-items:center;gap:8px;margin:auto 0 10px;font-size:11px;display:flex}.profile-evaluation-coverage+.profile-progress-track{margin-top:0}.profile-evaluation-coverage small{font:10px DM Mono,monospace}.profile-metric--streak{background:color-mix(in srgb, var(--color-accent) 5%, var(--color-surface))}.profile-metric--streak .profile-metric-value{color:var(--color-accent)}.profile-streak-best{color:var(--color-text-secondary);justify-content:space-between;gap:8px;margin:auto 0 12px;font-size:11px;line-height:1.5;display:flex}.profile-streak-best strong{color:var(--color-text-primary)}.profile-metric--streak>small{color:var(--color-text-secondary);font-size:10px;line-height:1.6}.profile-panel-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:28px;display:flex}.profile-panel-heading h2{margin:0 0 8px;font-size:27px;font-weight:800;line-height:1.25}.profile-panel-heading p:last-child{color:var(--color-text-secondary);margin:0;font-size:13px;line-height:1.6}.profile-panel-heading>a{white-space:nowrap;font-size:13px;font-weight:700;text-decoration:none}.profile-period{border:1px solid var(--color-border-subtle);background:var(--color-surface-subtle);border-radius:8px;flex:none;padding:10px 14px;font-size:12px;line-height:1.4;display:inline-flex}.profile-activity{margin-bottom:24px}.profile-activity-layout{grid-template-columns:minmax(0,1fr) 240px;gap:36px;display:grid}.profile-calendar{min-width:0}.profile-calendar-scroll{margin:-4px;padding:4px;overflow-x:auto}.profile-calendar-strip{min-width:calc(20px + var(--week-count) * 16px)}.profile-calendar-summary{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;display:flex}.profile-calendar-summary strong{font:800 20px/1.4 Manrope,sans-serif}.profile-calendar-summary strong span{color:var(--color-text-secondary);font-size:13px;font-weight:500}.profile-calendar-summary>span{color:var(--color-text-secondary);font-size:11px}.profile-months,.profile-calendar-row{grid-template-columns:20px repeat(var(--week-count), minmax(0, 1fr));gap:6px;display:grid}.profile-months{color:var(--color-text-secondary);margin-bottom:8px;font:10px/1.5 DM Mono,monospace}.profile-heatmap{gap:6px;display:grid}.profile-weekday{color:var(--color-text-secondary);align-self:center;font:10px/1 DM Mono,monospace}.profile-activity-cell{aspect-ratio:1;cursor:pointer;background:var(--color-surface-subtle);border:1px solid #0000;border-radius:4px;width:100%;padding:0;transition:outline-color .12s;display:block}.profile-activity-cell.level-0{background:color-mix(in srgb, var(--color-border-subtle) 40%, var(--color-surface))}.profile-activity-cell.level-1{background:color-mix(in srgb, var(--color-accent) 22%, var(--color-surface))}.profile-activity-cell.level-2{background:color-mix(in srgb, var(--color-accent) 45%, var(--color-surface))}.profile-activity-cell.level-3{background:color-mix(in srgb, var(--color-accent) 72%, var(--color-surface))}.profile-activity-cell.level-4{background:var(--color-accent)}.profile-activity-cell.is-untracked{background:var(--color-surface);border:1px dashed var(--color-border-subtle)}.profile-activity-cell:is(:hover,[aria-selected=true]){outline:1px solid var(--color-text-primary);outline-offset:2px}.profile-activity-cell.is-outside{visibility:hidden;cursor:default}.profile-calendar-footer{color:var(--color-text-secondary);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:16px;font-size:10px;line-height:1.6;display:flex}.profile-activity-legend{align-items:center;gap:4px;display:flex}.profile-activity-legend .profile-activity-cell{cursor:default;border-radius:3px;width:12px;height:12px}.profile-activity-legend>span:first-child{margin-right:4px}.profile-activity-legend>span:last-child{margin-left:4px}.profile-day-detail{border-inline-start:1px solid var(--color-border-subtle);flex-direction:column;justify-content:center;align-self:stretch;padding-left:28px;display:flex}.profile-day-detail h3{text-transform:none;margin:0 0 24px;font-size:18px;line-height:1.5}.profile-day-detail dl{margin:0 0 20px}.profile-day-detail dl>div{justify-content:space-between;gap:16px;margin-bottom:14px;display:flex}.profile-day-detail dt{color:var(--color-text-secondary);font-size:12px}.profile-day-detail dd{color:var(--color-accent);margin:0;font:700 16px/1.2 Manrope,sans-serif}.profile-day-detail>p:last-child{color:var(--color-text-secondary);margin:0;font-size:12px;line-height:1.7}.profile-activity-totals{border-top:1px solid var(--color-border-subtle);color:var(--color-text-secondary);flex-wrap:wrap;align-items:center;gap:12px 24px;margin-top:26px;padding-top:18px;font-size:11px;line-height:1.6;display:flex}.profile-activity-totals strong{color:var(--color-text-primary)}.profile-activity-totals>span:last-child{margin-left:auto;font-size:10px}.profile-course{margin-bottom:32px}.profile-assistant{margin-bottom:24px}.profile-assistant-queries{margin:0;padding:0;list-style:none}.profile-assistant-queries>li{border-top:1px solid var(--color-border-subtle)}.profile-assistant-query summary{cursor:pointer;grid-template-columns:minmax(0,1fr) auto 16px;align-items:center;gap:20px;min-height:64px;padding-block:18px;list-style:none;display:grid}.profile-assistant-query summary::-webkit-details-marker{display:none}.profile-assistant-query summary:after{content:"+";color:var(--color-accent);text-align:center;font:22px/1 Manrope,sans-serif}.profile-assistant-query[open] summary:after{content:"−"}.profile-assistant-query summary:hover .profile-assistant-question{color:var(--color-accent)}.profile-assistant-query summary:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px;border-radius:4px}.profile-assistant-question{overflow-wrap:anywhere;text-wrap:pretty;min-width:0;font:700 14px/1.6 Manrope,sans-serif}.profile-assistant-query time{color:var(--color-text-secondary);font-size:12px}.profile-assistant-response{overflow-wrap:anywhere;max-width:74ch;padding-bottom:24px;font-size:14px;line-height:1.8}.profile-assistant-response p{white-space:pre-line;text-wrap:pretty;margin:0}.profile-assistant-response ul{flex-wrap:wrap;gap:10px 24px;margin:16px 0 0;padding:0;font-size:12px;list-style:none;display:flex}.profile-assistant-empty{color:var(--color-text-secondary);margin:0;font-size:14px;line-height:1.8}.profile-block-headings,.profile-blocks li{grid-template-columns:minmax(0,1.6fr) minmax(110px,1fr) minmax(100px,.7fr);align-items:center;gap:28px;display:grid}.profile-block-headings{color:var(--color-text-secondary);border-bottom:1px solid var(--color-border-subtle);padding-block:12px;font-size:10px}.profile-block-headings span:last-child{text-align:right}.profile-blocks{margin:0;padding:0;list-style:none}.profile-blocks li{border-bottom:1px solid var(--color-border-subtle);padding-block:20px}.profile-blocks li>a{color:var(--color-text-primary);align-items:start;gap:16px;font:700 14px/1.5 Manrope,sans-serif;text-decoration:none;display:flex}.profile-blocks li>a:hover{color:var(--color-accent)}.profile-block-number{color:var(--color-accent);flex:none;font:10px/2 DM Mono,monospace}.profile-block-reading>span{color:var(--color-text-secondary);margin-bottom:8px;font-size:11px;display:block}.profile-block-reading small{font-size:inherit}.profile-block-reading .profile-progress-track{height:4px}.profile-block-assessment{text-align:right}.profile-block-assessment strong{font:700 18px/1.3 Manrope,sans-serif}.profile-block-assessment small{color:var(--color-text-secondary);margin-top:5px;font-size:10px;display:block}.profile-method{color:var(--color-text-secondary);max-width:820px;margin:20px 0 0;font-size:11px;line-height:1.8}.profile-account-details{grid-template-columns:1fr 1fr;gap:48px;padding-inline:4px;display:grid}.profile-account-details h2{margin:0 0 16px;font-size:21px;line-height:1.4}.profile-account-details h3{margin:0 0 12px;font-size:16px;line-height:1.5}.profile-account-details p{color:var(--color-text-secondary);margin:0 0 12px;font-size:12px;line-height:1.8}.profile-account-details a{font-size:12px;font-weight:600}.profile-retention small{color:var(--color-text-secondary);font-size:10px;line-height:1.7}.profile-review-toolbar{border:1px dashed var(--color-border-control);border-radius:10px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-bottom:36px;padding:16px 20px;font-size:12px;display:flex}.profile-review-toolbar strong,.profile-review-toolbar span{display:block}.profile-review-toolbar span{color:var(--color-text-secondary);margin-top:6px;font-size:11px}.profile-review-toolbar label{align-items:center;gap:12px;display:flex}.profile-review-toolbar select{border:1px solid var(--color-border-control);background:var(--color-surface);min-height:38px;color:var(--color-text-primary);font:inherit;border-radius:6px;padding:8px 12px}.profile-review-billing{border:1px solid var(--color-border-control);background:var(--color-surface);border-radius:10px;align-items:center;gap:16px;margin-bottom:24px;padding:16px 20px;display:flex}.profile-review-billing p{margin:0;font-size:13px;line-height:1.7}.profile-review-billing button{color:var(--color-accent);font:inherit;cursor:pointer;background:0 0;border:0}.profile-state{max-width:600px;padding-block:56px 120px}.profile-state h1{font-size:clamp(32px,4vw,46px);line-height:1.2}.profile-state p{color:var(--color-text-secondary);font-size:16px;line-height:1.8}@media (width<=1080px){.profile-identity{gap:20px}.profile-membership{padding-inline:16px}.profile-billing{flex-basis:100%;padding-left:86px}.profile-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.profile-activity-layout{grid-template-columns:minmax(0,1fr) 210px;gap:24px}.profile-metric{min-height:210px}}@media (width<=760px){.profile-main{padding-block:32px 48px}.profile-heading{flex-direction:column;align-items:start;gap:8px}.profile-panel{padding:22px}.profile-paused{flex-direction:column;align-items:start;gap:16px;padding:22px}.profile-identity{align-items:start}.profile-user{flex-basis:100%}.profile-membership{border:0;flex:1;padding:0}.profile-membership img{width:48px;height:48px}.profile-billing{flex-basis:auto;align-self:center;padding:0}.profile-metric{padding:20px}.profile-panel-heading{align-items:start;gap:16px}.profile-panel-heading h2{font-size:23px}.profile-activity-layout{grid-template-columns:minmax(0,1fr);gap:24px}.profile-day-detail{border-inline:0;border-top:1px solid var(--color-border-subtle);padding:20px 0 0}.profile-day-detail h3{margin-bottom:16px;font-size:16px}.profile-day-detail dl{gap:28px;margin:0;display:flex}.profile-day-detail dl>div{flex:1;gap:12px}.profile-day-detail>p:last-child{display:none}.profile-activity-totals>span:last-child{flex-basis:100%;margin-left:0}.profile-block-headings{display:none}.profile-blocks li{grid-template-columns:minmax(0,1fr) 100px;gap:12px 20px}.profile-blocks li>a{grid-column:1/-1}.profile-block-reading{padding-left:26px}.profile-account-details{grid-template-columns:1fr;gap:28px}.profile-assistant-query summary{grid-template-columns:minmax(0,1fr) 16px;gap:8px 16px}.profile-assistant-query summary:after{grid-area:1/2/3}.profile-assistant-query time{grid-column:1}}@media (width<=420px){.profile-panel{padding:18px}.profile-metrics{gap:12px}.profile-metric{padding:16px}.profile-metric .eyebrow{letter-spacing:1px;font-size:9px}.profile-metric-value{font-size:32px}.profile-metric a,.profile-streak-best{font-size:10px}.profile-streak-best{flex-wrap:wrap}.profile-panel-heading{flex-direction:column}.profile-period{padding:8px 12px}.profile-months,.profile-calendar-row{grid-template-columns:12px repeat(var(--week-count), minmax(0, 1fr));gap:4px}.profile-heatmap{gap:4px}.profile-activity-cell{border-radius:3px}.profile-day-detail dl{flex-direction:column;gap:0}.profile-review-toolbar{padding:16px}.profile-review-toolbar label{flex-wrap:wrap;width:100%}.profile-review-toolbar select{flex:1;min-width:0}.profile-membership{flex-basis:100%}.profile-billing{width:100%}.profile-billing .membership-secondary{justify-content:space-between;width:100%}}.access-page{background:var(--color-page-background);min-height:100dvh;color:var(--color-text-primary);grid-template-rows:auto 1fr auto;grid-template-columns:minmax(0,1fr);display:grid}.access-page .access-main{grid-column:1;place-items:center;padding-block:clamp(32px,5vh,64px);display:grid}.access-card{box-sizing:border-box;border:1px solid var(--color-border-control);background:var(--color-surface);border-radius:16px;width:min(100%,520px);padding:clamp(24px,5vw,40px)}.access-card h1{margin:14px 0 20px;font:800 clamp(30px,4vw,40px)/1.15 Manrope,sans-serif}.access-lead{color:var(--color-text-secondary);overflow-wrap:anywhere;margin:0 0 28px;font-size:16px;line-height:1.65}.access-card .membership-button{justify-content:center;width:100%;min-height:48px;margin:0}.access-card .access-google{color:var(--color-text-primary);border:1px solid var(--color-border-control);background:0 0}.access-divider{color:var(--color-text-secondary);align-items:center;gap:14px;margin:24px 0;font-size:13px;display:flex}.access-divider:before,.access-divider:after{content:"";background:var(--color-border-subtle);flex:1;height:1px}.access-card label{margin-bottom:10px;font-size:14px;font-weight:700;display:block}.access-card input{box-sizing:border-box;border:1px solid var(--color-border-control);background:var(--color-page-background);width:100%;min-height:48px;color:var(--color-text-primary);font:inherit;border-radius:8px;margin-bottom:18px;padding:12px 14px;display:block}.access-card input:focus-visible,.access-text-button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.access-card small{color:var(--color-text-secondary);margin-top:14px;font-size:12px;line-height:1.6;display:block}.access-error{color:var(--color-error);font-size:14px;line-height:1.6}.access-notice{color:var(--color-text-secondary);overflow-wrap:anywhere;font-size:14px;line-height:1.6}.access-text-button{color:var(--color-accent);font:inherit;cursor:pointer;background:0 0;border:0;margin-top:16px;padding:8px 0;font-size:14px}.access-text-button:hover{text-underline-offset:4px;text-decoration:underline}.access-text-button:disabled{opacity:.55;cursor:default}.access-options p{color:var(--color-text-secondary);margin:16px 0 0;font-size:14px}.access-options p .access-text-button{margin:0}.access-card .access-password-hint{margin:-6px 0 20px}.access-privacy{color:var(--color-text-secondary);margin:28px 0 0;font-size:12px;line-height:1.65}.access-privacy a{color:var(--color-accent);text-underline-offset:3px}.pricing-section .pricing-card{--plan-surface:var(--color-surface);--plan-ink:var(--color-text-primary);--plan-muted:var(--color-text-secondary);--plan-line:var(--color-border-subtle);--plan-accent:var(--color-accent);--plan-label-surface:color-mix(in srgb, var(--color-accent-on-dark) 16%, var(--plan-surface));--plan-button-surface:var(--color-action-background);--plan-button-ink:var(--color-on-accent);--plan-button-hover:var(--color-action-hover);--plan-focus-ring:var(--color-focus-ring);background:var(--plan-surface);color:var(--plan-ink);border-color:var(--plan-line);border-top:3px solid var(--plan-accent);box-shadow:0 8px 24px color-mix(in srgb, var(--color-shadow) 3.14%, transparent);transition:transform .25s,box-shadow .25s,border-color .25s;container-type:inline-size}.pricing-section .pricing-card[data-plan=falcon]{--plan-surface:var(--color-surface);--plan-accent:var(--color-accent);--plan-label-surface:color-mix(in srgb, var(--color-accent-on-dark) 16%, var(--plan-surface));--plan-button-surface:var(--color-action-background)}.pricing-section .pricing-card[data-plan=eagle]{--plan-surface:var(--color-surface-raised-on-dark);--plan-ink:var(--color-text-on-dark);--plan-muted:var(--color-text-secondary-on-dark);--plan-line:var(--color-border-on-dark);--plan-accent:var(--color-accent-on-dark);--plan-label-surface:color-mix(in srgb, var(--color-accent-on-dark) 8%, var(--plan-surface));--plan-button-surface:var(--color-accent-on-dark);--plan-button-ink:var(--color-on-accent-on-dark);--plan-button-hover:var(--color-accent-on-dark-hover);--plan-focus-ring:var(--color-accent-on-dark);box-shadow:0 10px 28px color-mix(in srgb, var(--color-shadow) 7.84%, transparent)}[data-theme=dark] .pricing-section .pricing-card{--plan-surface:var(--color-surface);--plan-ink:var(--color-text-primary);--plan-muted:var(--color-text-secondary);--plan-line:var(--color-border-subtle);--plan-accent:var(--color-accent);--plan-label-surface:color-mix(in srgb, var(--color-accent-on-dark) 8%, var(--plan-surface));--plan-button-surface:var(--color-action-background);--plan-button-ink:var(--color-on-accent);--plan-button-hover:var(--color-action-hover);--plan-focus-ring:var(--color-focus-ring);box-shadow:0 8px 24px color-mix(in srgb, var(--color-shadow) 8.63%, transparent)}[data-theme=dark] .pricing-section .pricing-card[data-plan=falcon]{--plan-surface:var(--color-surface);--plan-accent:var(--color-accent);--plan-label-surface:color-mix(in srgb, var(--color-accent-on-dark) 8%, var(--plan-surface));--plan-button-surface:var(--color-action-background)}[data-theme=dark] .pricing-section .pricing-card[data-plan=eagle]{--plan-surface:var(--color-surface-raised-on-dark);--plan-line:var(--color-border-on-dark);--plan-accent:var(--color-accent-on-dark);--plan-label-surface:color-mix(in srgb, var(--color-accent-on-dark) 8%, var(--plan-surface));--plan-button-surface:var(--color-accent-on-dark)}.pricing-section .pricing-card-top{min-height:28px}.pricing-section .pricing-number{color:var(--plan-muted)}.pricing-section .plan-label{color:var(--plan-accent);background:var(--plan-label-surface);border-radius:4px;padding:6px 8px;line-height:1.4}.pricing-card-identity{justify-content:space-between;align-items:center;gap:8px;margin:12px 0 8px;display:flex}.pricing-section .pricing-card-identity h3{margin:0;font-size:clamp(25px,11cqw,36px);line-height:1.15}.pricing-bird{aspect-ratio:1;object-fit:contain;width:clamp(60px,34cqw,108px);height:auto;filter:drop-shadow(0 3px 2px color-mix(in srgb, var(--color-shadow) 7.84%, transparent));flex:none;transition:transform .3s;display:block}.pricing-section .pricing-tagline,.pricing-section .pricing-amount>span{color:var(--plan-muted)}.pricing-section .pricing-card ul{border-color:var(--plan-line)}.pricing-section .pricing-card li>span{color:var(--plan-accent)}.pricing-section .pricing-card .plan-feature-unavailable>span{color:var(--plan-muted);font-size:18px;line-height:1.15}.pricing-section .plan-button{background:var(--plan-button-surface);color:var(--plan-button-ink);border:1px solid var(--plan-button-surface);transition:filter .2s}.pricing-section .plan-button:focus-visible{outline-color:var(--plan-focus-ring)}.pricing-section .plan-button:enabled:hover,.pricing-section a.plan-button:hover{filter:none;background:var(--plan-button-hover)}.pricing-section .pricing-card:focus-within{border-color:var(--plan-accent)}.pricing-section .pricing-card.pricing-card-disabled{filter:grayscale();opacity:.6;border-color:var(--plan-line);box-shadow:none;transition:none;animation:none;transform:none}.pricing-card-disabled .pricing-bird{transition:none}.pricing-section .pricing-access-notice{background:var(--color-notice-surface);color:var(--color-text-primary);border:1px solid var(--color-border-subtle)}.pricing-section .pricing-actions{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.pricing-section .pricing-action-button{border:1px solid var(--color-accent);background:var(--color-action-background);min-height:48px;color:var(--color-on-accent);text-align:left;cursor:pointer;border-radius:999px;justify-content:space-between;align-items:center;gap:24px;padding:14px 22px;font:600 13px/1.5 Manrope,sans-serif;transition:background .18s,border-color .18s;display:inline-flex}.pricing-section .pricing-action-secondary{color:var(--color-text-primary);border-color:var(--color-border-control);background:0 0}.pricing-section .pricing-action-link{min-height:48px;color:var(--color-text-primary);text-underline-offset:4px;justify-content:center;align-items:center;gap:10px;padding:10px 8px;font:600 13px/1.5 Manrope,sans-serif;text-decoration:underline;display:inline-flex}.pricing-section .pricing-action-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.pricing-after-quiz{border-block:1px solid var(--color-border-subtle);margin:40px 0 56px;padding-block:40px}.pricing-action-button>span{flex:none;font-size:18px;line-height:1}.pricing-section .pricing-action-button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.pricing-section .pricing-action-button:disabled{opacity:.6;cursor:wait}.landing .pricing-home{padding-bottom:14px}.pricing-home+.annotations-promo{padding-top:14px}@media (hover:hover){.pricing-section a.pricing-action-button:hover,.pricing-section .pricing-action-button:enabled:hover{background:var(--color-action-hover)}.pricing-section .pricing-action-secondary:enabled:hover{background:var(--color-surface);border-color:var(--color-text-primary)}.pricing-section .pricing-card:hover{border-color:var(--plan-accent);box-shadow:0 12px 28px color-mix(in srgb, var(--color-shadow) 7.06%, transparent)}.pricing-card:hover .pricing-bird{transform:translateY(-2px)rotate(-2deg)}.pricing-section .pricing-card.pricing-card-disabled:hover{border-color:var(--plan-line);box-shadow:none;transform:none}.pricing-card-disabled:hover .pricing-bird{transform:none}}@media (width<=760px){.pricing-section .pricing-actions{flex-direction:column;align-items:stretch}.landing .pricing-home{padding-bottom:8px}.pricing-home+.annotations-promo{padding-top:8px}}@media (prefers-reduced-motion:reduce){.pricing-section .pricing-card,.pricing-bird,.pricing-section .plan-button,.pricing-section .pricing-action-button{transition:none}.pricing-section .pricing-card:hover,.pricing-card:hover .pricing-bird{transform:none}}.demo-quick-links{flex-wrap:wrap;gap:4px 28px;margin-top:20px;display:flex}.quiz-question-topic{color:var(--color-text-secondary);margin:12px 0 0 32px;font:11px/1.6 DM Mono,monospace}.quiz-question-reference>small{color:var(--color-text-secondary);margin-top:8px;font-size:12px;display:block}.demo-quick-links a,.demo-guide a{color:var(--color-accent)}.demo-quick-links a{align-items:center;min-height:44px;font-size:14px;display:inline-flex}.demo-guide{max-width:840px;margin-top:72px}.demo-guide>section{border-top:1px solid var(--color-border-subtle);padding-block:40px}.demo-guide h2{max-width:700px;margin:0 0 24px;font:700 clamp(26px,3.5vw,38px)/1.15 Manrope,sans-serif}.demo-guide p:not(.eyebrow){max-width:740px;color:var(--color-text-secondary);text-wrap:pretty;font-size:16px;line-height:1.75}.demo-guide a:hover{text-underline-offset:4px;text-decoration:underline}.demo-guide a:focus-visible,.demo-quick-links a:focus-visible,.demo-faq summary:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px;border-radius:2px}.demo-lesson-links{margin-block:24px;padding-left:20px}.demo-lesson-links li{margin-bottom:20px;padding-left:4px}.demo-lesson-links a{font-weight:600}.demo-lesson-links p{margin:4px 0 0;font-size:14px}.demo-subject-links{grid-template-columns:repeat(2,minmax(0,1fr));column-gap:32px;margin:24px 0;padding:0;list-style:none;display:grid}.demo-subject-links li{border-bottom:1px solid var(--color-border-subtle);min-width:0}.demo-subject-links a{justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding-block:12px;font-size:14px;line-height:1.6;display:flex}.demo-subject-links span{flex-shrink:0}.demo-guide section>p>a{margin-right:28px;padding-block:8px;display:inline-block}.demo-exam-links{margin:24px 0 0;padding:0;list-style:none}.demo-exam-links li{border-top:1px solid var(--color-border-subtle);justify-content:space-between;align-items:center;gap:20px;padding-block:20px;display:flex}.demo-exam-links strong{font-size:16px;display:block}.demo-exam-links span{color:var(--color-text-secondary);margin-top:6px;font:12px/1.6 DM Mono,monospace;display:block}.demo-exam-links a{align-items:center;min-height:44px;font-size:14px;display:inline-flex}.demo-faq details{border-top:1px solid var(--color-border-subtle)}.demo-faq details:last-child{border-bottom:1px solid var(--color-border-subtle)}.demo-faq summary{cursor:pointer;padding-block:20px;font-size:16px;font-weight:600;line-height:1.6}.demo-faq summary:hover{color:var(--color-accent)}.demo-faq details p{margin:0 0 24px}@media (width<=650px){.quiz-question-topic{margin-left:0}.demo-guide{margin-top:48px}.demo-guide>section{padding-block:32px}.demo-subject-links{grid-template-columns:minmax(0,1fr)}.demo-exam-links li{flex-direction:column;align-items:flex-start;gap:8px}}.regulation-news{background:var(--color-page-background);color:var(--color-text-primary)}.regulation-news-panel{isolation:isolate;background:var(--color-surface-on-dark);color:var(--color-text-on-dark);border-radius:16px;position:relative;overflow:hidden}.regulation-news-media{z-index:-1;position:absolute;inset:0}.regulation-news-media img{object-fit:cover;object-position:70% center;width:100%;height:100%;display:block}.regulation-news-media:after{content:"";background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 96.08%, transparent), color-mix(in srgb, var(--color-media-scrim) 87.84%, transparent) 38%, color-mix(in srgb, var(--color-media-scrim) 37.65%, transparent) 75%, color-mix(in srgb, var(--color-media-scrim) 3.92%, transparent));position:absolute;inset:0}.regulation-news-copy{max-width:660px;padding:44px}.regulation-label{letter-spacing:.12em;text-transform:uppercase;color:var(--color-text-secondary-on-dark);margin:0 0 22px;font:11px/1.8 DM Mono,monospace}.regulation-status-dot{background:currentColor;border-radius:50%;width:7px;height:7px;margin-right:10px;display:inline-block}.regulation-news h3{color:var(--color-text-on-dark);text-wrap:balance;margin:0;font:800 clamp(30px,3.3vw,44px)/1.08 Manrope,sans-serif}.regulation-news h3 span{color:var(--color-accent-on-dark)}.regulation-news-copy>p:not(.regulation-news-meta){max-width:500px;color:var(--color-text-on-dark);text-wrap:pretty;margin:24px 0;font-size:15px;line-height:1.8}.regulation-button{background:var(--color-accent-on-dark);max-width:100%;min-height:48px;color:var(--color-on-accent-on-dark);border-radius:999px;justify-content:space-between;align-items:center;gap:28px;padding:14px 22px;font:700 13px/1.5 Manrope,sans-serif;transition:background .18s,transform .18s;display:inline-flex}.regulation-button span{flex:none;font-size:18px}.regulation-button:focus-visible{outline:2px solid var(--color-accent-on-dark);outline-offset:5px}.regulation-news-meta,.regulation-hero-meta{letter-spacing:.1em;color:var(--color-text-secondary-on-dark);margin:24px 0 0;font:9px/1.8 DM Mono,monospace}.regulation-page{background:var(--color-page-background);color:var(--color-text-primary)}.regulation-hero{background:var(--color-surface-on-dark);color:var(--color-text-on-dark);padding:32px 0 64px}.regulation-breadcrumb{color:var(--color-text-secondary-on-dark);flex-wrap:wrap;gap:12px;margin-bottom:52px;font-size:12px;line-height:1.7;display:flex}.regulation-breadcrumb a{text-underline-offset:4px;text-decoration:underline}.regulation-hero h1{max-width:1000px;font:var(--hero-heading-font);text-wrap:balance;margin:0}.regulation-hero h1 span{color:var(--color-accent-on-dark)}.regulation-hero-description{max-width:660px;color:var(--color-text-on-dark);text-wrap:pretty;margin:28px 0;font-size:18px;line-height:1.8}.regulation-cover{background:var(--color-surface-on-dark);width:100%;margin:0;position:relative}.regulation-cover img{object-fit:cover;object-position:70% center;width:100%;height:clamp(270px,34vw,560px);display:block}.regulation-cover:after{content:"";background:linear-gradient(0deg, color-mix(in srgb, var(--color-media-scrim) 90%, transparent), color-mix(in srgb, var(--color-media-scrim) 75%, transparent) 18%, transparent 48%);pointer-events:none;position:absolute;inset:0}.regulation-cover figcaption{z-index:1;color:var(--color-text-on-dark);font:11px/1.7 DM Mono,monospace;position:absolute;bottom:22px;left:0;right:0}.regulation-article-meta{color:var(--color-text-secondary);border-bottom:1px solid var(--color-border-subtle);flex-wrap:wrap;gap:12px 28px;padding-bottom:28px;font:11px/1.7 DM Mono,monospace;display:flex}.regulation-introduction{max-width:800px;margin:44px 0}.regulation-article h2{text-wrap:balance;margin:0 0 24px;font:700 clamp(30px,4vw,48px)/1.12 Manrope,sans-serif}.regulation-article h2 span{color:var(--color-accent)}.regulation-article h3{margin:28px 0 14px;font:700 21px/1.4 Manrope,sans-serif}.regulation-article p{text-wrap:pretty;font-size:16px;line-height:1.85}.regulation-article a:not(.regulation-button){color:var(--color-accent);text-underline-offset:4px;text-decoration:underline}.regulation-page a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:5px}.regulation-hero a:focus-visible{outline-color:var(--color-accent-on-dark)}.regulation-contents{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:12px;padding:28px}.regulation-contents ol{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 40px;margin:18px 0 0;padding-left:28px;list-style:decimal-leading-zero;display:grid}.regulation-contents li{padding-left:4px}.regulation-contents li::marker{color:var(--color-text-secondary);font:11px DM Mono,monospace}.regulation-contents a{justify-content:space-between;align-items:center;gap:12px;min-height:44px;font-size:14px;display:flex}.regulation-chapter{border-bottom:1px solid var(--color-border-subtle);max-width:860px;padding-block:64px;scroll-margin-top:16px}.regulation-article .regulation-chapter-number{color:var(--color-accent);letter-spacing:.1em;margin:0 0 22px;font:11px/1.8 DM Mono,monospace}.regulation-article .regulation-source{color:var(--color-text-secondary);margin-top:24px;font-size:12px;line-height:1.7}.regulation-flight-facts{border-block:1px solid var(--color-border-subtle);grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:32px 0;padding:28px 0;display:grid}.regulation-flight-facts dt{letter-spacing:-.05em;color:var(--color-accent);font:700 clamp(44px,6vw,72px)/1 Manrope,sans-serif}.regulation-flight-facts dd{color:var(--color-text-secondary);margin:10px 0 0;font-size:14px}.regulation-study-cta{background:var(--color-surface-on-dark);color:var(--color-text-on-dark);border-radius:16px;margin:64px 0;padding:40px}.regulation-study-cta .eyebrow{color:var(--color-text-secondary-on-dark)}.regulation-study-cta h2{max-width:780px}.regulation-study-cta>p:not(.eyebrow){max-width:620px;color:var(--color-text-on-dark);margin-bottom:28px}.regulation-references h2{font-size:25px}.regulation-references ul{gap:14px;padding-left:20px;font-size:14px;line-height:1.7;display:grid}@media (hover:hover){.regulation-button:hover{background:var(--color-accent-on-dark-hover);transform:translateY(-2px)}}@media (width<=760px){.regulation-news-media{height:235px;bottom:auto}.regulation-news-media img{object-position:75% center}.regulation-news-media:after{background:linear-gradient(0deg, var(--color-surface-on-dark), transparent 85%)}.regulation-news-copy{max-width:100%;padding:210px 24px 28px}.regulation-news h3{font-size:clamp(28px,7.5vw,38px)}.regulation-news-meta{font-size:8px}.regulation-hero{padding-block:24px 48px}.regulation-breadcrumb{margin-bottom:36px}.regulation-hero-description{font-size:16px}.regulation-cover img{object-position:75% center;height:300px}.regulation-cover figcaption{font-size:9px}.regulation-contents{padding:22px}.regulation-contents ol{grid-template-columns:1fr}.regulation-chapter{padding-block:44px}.regulation-flight-facts{gap:12px}.regulation-flight-facts dd{font-size:12px}.regulation-study-cta{margin-block:44px;padding:28px 24px}}@media (prefers-reduced-motion:reduce){.regulation-button{transition:none}.regulation-button:hover{transform:none}}.affiliate-page{background:var(--color-page-background);color:var(--color-text-primary)}.affiliate-page h1,.affiliate-page h2,.affiliates-promo h2{text-wrap:balance;font-family:Manrope,sans-serif}.affiliate-page h2,.affiliates-promo h2{margin:0;font-size:clamp(32px,4.5vw,56px);font-weight:800;line-height:1.1}.affiliate-page h2 span,.affiliates-promo h2 span{color:var(--color-accent)}.affiliate-page p,.affiliates-promo p{text-wrap:pretty;line-height:1.75}.affiliate-lead{max-width:680px;color:var(--color-text-secondary);margin:24px 0 0;font-size:17px}.affiliate-small{color:var(--color-text-secondary);font-size:13px;line-height:1.8}.affiliate-button{background:var(--color-action-background);max-width:100%;min-height:48px;color:var(--color-on-accent);cursor:pointer;text-align:left;border:0;border-radius:999px;justify-content:space-between;align-items:center;gap:28px;padding:14px 22px;font:700 14px/1.5 Manrope,sans-serif;display:inline-flex}.affiliate-button>span{flex:none;font-size:19px}.affiliate-button:hover{background:var(--color-action-hover)}.affiliate-page :is(a,button,input,textarea,select,summary):focus-visible,.affiliates-promo a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.affiliate-hero{isolation:isolate;background:var(--color-surface-on-dark);color:var(--color-text-on-dark);position:relative;overflow:hidden}.affiliate-hero-media{z-index:-1;position:absolute;inset:0}.affiliate-hero-media img{object-fit:cover;object-position:65% center;width:100%;height:100%;display:block}.affiliate-hero-media:after{content:"";background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 96%, transparent), color-mix(in srgb, var(--color-media-scrim) 90%, transparent) 37%, color-mix(in srgb, var(--color-media-scrim) 36%, transparent) 75%, transparent);position:absolute;inset:0}.affiliate-hero-inner{flex-direction:column;justify-content:center;align-items:flex-start;min-height:560px;padding-block:64px;display:flex}.affiliate-label{color:var(--color-text-secondary-on-dark);letter-spacing:.13em;margin:0 0 28px;font:11px/1.8 DM Mono,monospace}.affiliate-hero h1{max-width:950px;font:var(--hero-heading-font);margin:0}.affiliate-hero h1 span{color:var(--color-accent-on-dark)}.affiliate-hero-inner>p:not(.affiliate-label):not(.affiliate-hero-footnote){max-width:510px;margin:28px 0;font-size:18px}.affiliate-button-on-dark{background:var(--color-accent-on-dark);color:var(--color-on-accent-on-dark)}.affiliate-button-on-dark:hover{background:var(--color-accent-on-dark-hover)}.affiliate-hero .affiliate-button:focus-visible{outline-color:var(--color-accent-on-dark)}.affiliate-hero .affiliate-hero-footnote{color:var(--color-text-secondary-on-dark);letter-spacing:.06em;margin:28px 0 0;font:10px/1.8 DM Mono,monospace}.affiliate-metrics{border-block:1px solid var(--color-border-subtle);grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;margin:40px 0 0;padding:36px 0;display:grid}.affiliate-metrics dt{color:var(--color-accent);letter-spacing:-.045em;white-space:nowrap;font:800 clamp(36px,4vw,54px)/1 Manrope,sans-serif}.affiliate-metrics dd{max-width:300px;color:var(--color-text-secondary);margin:20px 0 0;font-size:15px;line-height:1.7}.affiliate-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:36px 40px;margin:40px 0 0;padding:0;list-style:none;display:grid}.affiliate-steps li{border-top:1px solid var(--color-border-subtle);padding-top:20px}.affiliate-step-number{color:var(--color-accent);font:11px DM Mono,monospace}.affiliate-steps h3{margin:22px 0 12px;font:700 20px/1.4 Manrope,sans-serif}.affiliate-steps p{color:var(--color-text-secondary);margin:0;font-size:15px}.affiliate-steps a{color:var(--color-accent);text-underline-offset:4px;text-decoration:underline}.affiliate-calculator-inputs{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-block:28px;display:grid}.affiliate-calculator-result{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:12px;padding:28px}.affiliate-calculator-result>span{color:var(--color-text-secondary);font:11px DM Mono,monospace}.affiliate-calculator-result>strong{color:var(--color-accent);letter-spacing:-.045em;margin-top:18px;font:800 clamp(40px,5vw,64px)/1.1 Manrope,sans-serif;display:block}.affiliate-calculator-result>p{color:var(--color-text-secondary);margin-bottom:0}.affiliate-faq-list{margin-top:32px}.affiliate-faq-list details{border-bottom:1px solid var(--color-border-subtle);padding-block:20px}.affiliate-faq-list summary{cursor:pointer;min-height:24px;font-weight:600;line-height:1.6}.affiliate-faq-list p{max-width:800px;color:var(--color-text-secondary);margin-bottom:0}.affiliate-contact-grid{grid-template-columns:.85fr 1.15fr;align-items:start;gap:64px;display:grid}.affiliate-contact-grid>div>p:not(.eyebrow){max-width:420px;color:var(--color-text-secondary);margin-top:24px}.affiliate-collaborator-card{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:16px;margin-top:32px;padding:24px}.affiliate-collaborator-card header{align-items:center;gap:20px;display:flex}.affiliate-collaborator-card header>img{object-fit:contain;flex:none;width:88px;height:88px}.affiliate-collaborator-card header>div{min-width:0}.affiliate-collaborator-card .eyebrow{margin:0;font-size:10px}.affiliate-collaborator-card h3{margin:6px 0 4px;font:800 28px/1.15 Manrope,sans-serif}.affiliate-collaborator-card header span{color:var(--color-text-secondary);font-size:12px;line-height:1.5}.affiliate-collaborator-card>p{color:var(--color-text-secondary);margin:20px 0 0;font-size:15px;line-height:1.7}.affiliate-collaborator-card strong{color:var(--color-text-primary);font-weight:700}.affiliate-form{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:16px;gap:22px;padding:32px;display:grid}.affiliate-form-fields{border:0;gap:22px;min-width:0;margin:0;padding:0;display:grid}.affiliate-form-trap{display:none}.affiliate-form button:disabled{cursor:wait;opacity:.7}.affiliate-form-privacy a{color:var(--color-accent);text-underline-offset:4px;text-decoration:underline}.affiliate-form label,.affiliate-calculator label{gap:10px;font-size:14px;font-weight:600;line-height:1.6;display:grid}.affiliate-form :is(input:not([type=checkbox]),textarea,select),.affiliate-calculator :is(select,input){border:1px solid var(--color-border-control);background:var(--color-surface-raised);width:100%;min-width:0;min-height:48px;color:var(--color-text-primary);font:inherit;border-radius:6px;padding:12px;font-weight:400}.affiliate-form textarea{resize:vertical}.affiliate-form ::placeholder{color:var(--color-text-secondary);opacity:1}.affiliate-form-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;display:grid}.affiliate-form .affiliate-checkbox{align-items:flex-start;gap:12px;font-weight:400;display:flex}.affiliate-checkbox input{flex:none;width:20px;height:20px;margin:2px 0 0}.affiliate-checkbox>div{min-width:0;font-size:14px;line-height:1.6}.affiliate-form .affiliate-checkbox label{font-weight:400;display:inline}.affiliate-privacy-toggle{color:var(--color-accent);font:inherit;cursor:pointer;text-align:left;text-underline-offset:4px;background:0 0;border:0;padding:0;text-decoration:underline;display:inline}.affiliate-optional{color:var(--color-text-secondary);font-size:12px;font-weight:400}.affiliate-demo-notice{color:var(--color-text-secondary);margin:0;font-size:13px}.affiliate-form-status{border:1px solid var(--color-border-subtle);background:var(--color-notice-surface);border-radius:6px;margin:0;padding:16px;font-size:14px}.affiliate-form-privacy{border-left:2px solid var(--color-accent);background:var(--color-notice-surface);color:var(--color-text-secondary);border-radius:6px;margin-top:16px;padding:16px;font-size:13px}.affiliate-form-privacy p{margin:0}.affiliates-promo{background:var(--color-page-background);color:var(--color-text-primary)}.affiliates-promo-panel{border-block:1px solid var(--color-border-subtle);justify-content:space-between;align-items:center;gap:48px;padding-block:32px;display:flex}.affiliates-promo h2{font-size:clamp(32px,4vw,48px)}.affiliates-promo-panel>div>p:last-child{max-width:630px;color:var(--color-text-secondary);margin:20px 0 0;font-size:15px}.affiliates-promo .affiliate-button{flex:none}@media (width<=1000px){.affiliate-contact-grid{gap:32px}}@media (width<=760px){.affiliate-calculator-inputs{grid-template-columns:1fr;gap:18px}.affiliate-hero-inner{min-height:0;padding-block:48px}.affiliate-hero-media img{object-position:65% center}.affiliate-hero-media:after{background:color-mix(in srgb, var(--color-media-scrim) 85%, transparent)}.affiliate-hero-inner>p:not(.affiliate-label):not(.affiliate-hero-footnote){font-size:16px}.affiliate-metrics,.affiliate-steps{grid-template-columns:1fr;gap:28px}.affiliate-metrics{margin-top:28px;padding-block:28px}.affiliate-metrics dd{max-width:none;margin-top:12px}.affiliate-contact-grid,.affiliate-form-row{grid-template-columns:1fr}.affiliate-form{padding:24px}.affiliate-contact-grid{gap:28px}.affiliate-collaborator-card{margin-top:24px;padding:20px}.affiliate-collaborator-card header{gap:16px}.affiliate-collaborator-card header>img{width:72px;height:72px}.affiliates-promo-panel{padding-block:28px;display:block}.affiliates-promo .affiliate-button{margin-top:28px}}.admin-page{background:var(--color-page-background);min-height:100vh;color:var(--color-text-primary)}.admin-main{padding-block:48px 64px}.admin-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:32px;display:flex}.admin-heading h1{margin:12px 0 16px;font:700 clamp(30px,4vw,48px)/1.15 Manrope,sans-serif}.admin-heading p:not(.eyebrow),.admin-empty p{color:var(--color-text-secondary);line-height:1.6}.admin-access-label{color:var(--color-accent);font:12px/1.7 DM Mono,monospace}.admin-page h2,.admin-page h3{font-family:Manrope,sans-serif}.admin-page h2{font-size:24px;line-height:1.3}.admin-page h3{font-size:18px;line-height:1.4}.admin-page button,.admin-page input,.admin-page select,.admin-page textarea{font:inherit}.admin-page button{cursor:pointer}.admin-page button:disabled{cursor:wait;opacity:.65}.admin-page :is(button,input,select,textarea,a,summary):focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:3px}.admin-page :is(a,dd,p,strong,h2,h3,.admin-request-reference){overflow-wrap:anywhere;text-wrap:pretty}.admin-primary,.admin-secondary,.admin-danger{border:1px solid var(--color-border-control);border-radius:10px;min-height:44px;padding:12px 18px;font-family:Manrope,sans-serif!important;font-weight:700!important}.admin-primary{background:var(--color-action-background);color:var(--color-on-accent);border-color:#0000}.admin-primary:hover{background:var(--color-action-hover)}.admin-secondary{background:var(--color-surface);color:var(--color-text-primary)}.admin-secondary:hover{background:var(--color-surface-subtle)}.admin-danger{background:var(--color-error-solid);color:var(--color-on-status);border-color:#0000}.admin-danger:hover{background:var(--color-error-solid-hover)}.admin-empty{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:18px;padding:clamp(24px,4vw,48px)}.admin-empty h2{margin-top:0}.admin-empty button{margin-top:16px}.admin-overview{grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:28px;display:grid}.admin-overview button{text-align:left;border:1px solid var(--color-border-subtle);background:var(--color-surface);color:var(--color-text-primary);border-radius:16px;gap:12px;padding:20px 24px;display:grid}.admin-overview button[aria-pressed=true]{border-color:var(--color-accent);background:var(--color-accent-surface)}.admin-overview button:hover{border-color:var(--color-border-control)}.admin-overview strong{font:700 38px/1 Manrope,sans-serif}.admin-overview-action{color:var(--color-accent);justify-content:space-between;gap:12px;font-size:13px;display:flex}.admin-toolbar{align-items:end;gap:16px;display:flex}.admin-toolbar form{flex:1;min-width:0}.admin-toolbar form>div{gap:8px;display:flex}.admin-page label{font-size:14px;font-weight:500;display:block}.admin-toolbar label{margin-bottom:0}.admin-toolbar input,.admin-toolbar select,.admin-toolbar form button{margin-top:8px}.admin-page :is(input,select,textarea){color:var(--color-text-primary);background:var(--color-surface-raised);border:1px solid var(--color-border-control);border-radius:8px;min-width:0;min-height:44px;padding:12px}.admin-toolbar input{width:100%}.admin-page :is(input,textarea)::placeholder{color:var(--color-text-secondary);opacity:1}.admin-filter select{width:180px;display:block}.admin-notice{min-height:24px;color:var(--color-accent);margin:16px 0;line-height:1.5}.admin-workspace{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);align-items:start;gap:24px;display:grid}.admin-inbox,.admin-detail{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:18px;min-width:0;overflow:hidden}.admin-pane-heading{border-bottom:1px solid var(--color-border-subtle);justify-content:space-between;align-items:center;gap:12px;padding:20px 24px;display:flex}.admin-pane-heading h2{margin:0;font-size:18px}.admin-pane-heading>span{color:var(--color-text-secondary);font-size:13px}.admin-request-list{max-height:72vh;padding:8px;overflow-y:auto}.admin-request{text-align:left;width:100%;color:var(--color-text-primary);background:0 0;border:1px solid #0000;border-radius:10px;gap:8px;padding:18px 16px;display:grid}.admin-request+.admin-request{margin-top:4px}.admin-request:hover{background:var(--color-surface-subtle)}.admin-request[aria-pressed=true]{background:var(--color-accent-surface);border-color:var(--color-accent)}.admin-request strong{font-family:Manrope,sans-serif;font-size:18px;line-height:1.4}.admin-request-meta{justify-content:space-between;align-items:center;gap:8px;display:flex}.admin-request-meta time,.admin-request-profile{color:var(--color-text-secondary);font-size:12px;line-height:1.6}.admin-request-email{font-size:14px}.admin-request-reference,.admin-reference{color:var(--color-text-secondary);font:11px/1.7 DM Mono,monospace}.admin-badge{border:1px solid var(--color-border-subtle);color:var(--color-text-secondary);white-space:nowrap;border-radius:6px;padding:4px 8px;font-size:12px;line-height:1.3;display:inline-block}.admin-badge-received{color:var(--color-accent);background:var(--color-accent-surface)}.admin-badge-approved{color:var(--color-success)}.admin-badge-rejected{color:var(--color-error)}.admin-detail{padding:28px}.admin-detail-heading h2{margin:16px 0 8px;font-size:28px}.admin-detail-heading p{color:var(--color-text-secondary);margin:0 0 12px}.admin-detail-heading>time{color:var(--color-text-secondary);font-size:13px}.admin-contact{border-block:1px solid var(--color-border-subtle);gap:16px;margin:28px 0;padding-block:24px;display:grid}.admin-contact dt{color:var(--color-text-secondary);margin-bottom:6px;font-size:12px}.admin-contact dd{margin:0;line-height:1.5}.admin-contact a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.admin-project h3,.admin-review-context h3{margin:0 0 12px}.admin-project p,.admin-history p{white-space:pre-wrap;margin-top:0;line-height:1.7}.admin-review-context{margin-top:28px}.admin-review-context p{color:var(--color-text-secondary);font-size:14px;line-height:1.65}.admin-actions{flex-wrap:wrap;gap:10px;margin-top:20px;display:flex}.admin-review-form{border:1px solid var(--color-border-control);background:var(--color-surface-raised);border-radius:12px;margin-top:20px;padding:20px}.admin-review-form h3{margin:0 0 20px}.admin-review-form label span{color:var(--color-text-secondary);font-weight:400}.admin-review-form textarea{resize:vertical;width:100%;margin-top:10px;display:block}.admin-history{border-top:1px solid var(--color-border-subtle);margin-top:28px;padding-top:20px}.admin-history ol{margin:0;padding:0;list-style:none}.admin-history li{border-bottom:1px solid var(--color-border-subtle);flex-wrap:wrap;align-items:center;gap:10px;padding:16px 0;display:flex}.admin-history time,.admin-history li>span:not(.admin-badge){color:var(--color-text-secondary);font-size:12px}.admin-history p{width:100%;margin:4px 0 0;font-size:14px}.admin-receipt{color:var(--color-text-secondary);margin-top:28px;font-size:13px;line-height:1.6}.admin-receipt summary{cursor:pointer;padding-block:12px}.admin-placeholder{color:var(--color-text-secondary);padding:28px 24px;line-height:1.6}.admin-select-prompt{padding:32px 0}.admin-select-prompt h2{color:var(--color-text-primary)}.admin-error{color:var(--color-error);background:var(--color-error-surface);border-radius:8px;margin-bottom:16px;padding:16px;line-height:1.6}.admin-error button{margin-top:12px;display:block}.admin-more{margin:16px 24px 24px}.admin-back{display:none}.admin-section-heading{justify-content:space-between;align-items:center;gap:24px;margin-bottom:24px;display:flex}.admin-section-heading h2{margin:0 0 12px}.admin-section-heading p:not(.eyebrow){color:var(--color-text-secondary);max-width:70ch;margin:0;line-height:1.65}.admin-section-heading>button{flex-shrink:0}.admin-collaborators{border-top:1px solid var(--color-border-subtle);margin-top:48px;padding-top:40px}.admin-collaborators-surface{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:18px;padding:28px}.admin-collaborator-add{align-items:center;gap:16px;display:flex}.admin-collaborator-add>div{flex:1;min-width:0}.admin-collaborator-add input{width:100%;margin-top:8px;display:block}.admin-collaborator-add p,.admin-collaborator-empty{color:var(--color-text-secondary);font-size:14px;line-height:1.65}.admin-collaborator-add p{margin-bottom:0}.admin-collaborator-list{margin:0 0 20px;padding:0;list-style:none}.admin-collaborator-list li{border-top:1px solid var(--color-border-subtle);padding-block:20px}.admin-collaborator-row{justify-content:space-between;align-items:center;gap:20px;display:flex}.admin-collaborator-row>div{gap:8px;min-width:0;display:grid}.admin-collaborator-row strong{font-family:Manrope,sans-serif;line-height:1.5}.admin-collaborator-row span{color:var(--color-text-secondary);font-size:13px}.admin-collaborator-row>button{flex-shrink:0}.admin-collaborator-list .admin-review-form p{color:var(--color-text-secondary);line-height:1.65}@media (width<=900px){.admin-heading{flex-direction:column;align-items:start;gap:12px}.admin-workspace{grid-template-columns:minmax(0,1fr)}.admin-detail{display:none}.admin-has-selection .admin-detail{display:block}.admin-has-selection .admin-inbox{display:none}.admin-back{margin-bottom:24px;display:inline-block}.admin-request-list{max-height:none}.admin-toolbar{flex-wrap:wrap}.admin-toolbar form{flex-basis:100%}.admin-filter{flex:1}.admin-filter select{width:100%}}@media (width<=480px){.admin-main{padding-block:32px 48px}.admin-overview{gap:8px}.admin-overview button{border-radius:12px;gap:10px;padding:16px 10px;font-size:12px}.admin-overview strong{font-size:30px}.admin-overview-action{display:none}.admin-detail{padding:20px}.admin-request-meta{flex-wrap:wrap;align-items:start}.admin-toolbar input{font-size:16px}.admin-actions>button{width:100%}.admin-collaborators-surface{padding:20px}.admin-collaborators{margin-top:40px;padding-top:32px}}@media (width<=700px){.admin-section-heading,.admin-collaborator-add,.admin-collaborator-row{flex-direction:column;align-items:stretch;gap:16px}.admin-collaborator-add input{font-size:16px}}.assessment-back{color:var(--color-accent);margin-bottom:24px;display:inline-block}.assessment-preview-notice,.assessment-criteria{color:var(--color-text-secondary);margin-block:24px;font-size:14px;line-height:1.7}.assessment-preview-notice{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:12px;padding:16px 20px}.assessment-lesson-list{counter-reset:subsection;gap:16px;padding:0;list-style:none;display:grid}.assessment-lesson-row{counter-increment:subsection;background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:14px;grid-template-columns:minmax(0,1fr) auto;gap:24px;padding:24px;display:grid}.assessment-lesson-row h3{overflow-wrap:anywhere;margin:0 0 12px;font-size:20px;line-height:1.4}.assessment-lesson-row h3:before{content:counter(subsection, decimal-leading-zero) " / ";color:var(--color-accent);font:12px DM Mono,monospace}.assessment-lesson-row p{color:var(--color-text-secondary);margin:0 0 12px;font-size:14px;line-height:1.7}.assessment-review{color:var(--color-accent);font-size:14px}.assessment-lesson-result{flex-direction:column;justify-content:center;align-items:flex-end;gap:8px;display:flex}.assessment-lesson-result>strong{color:var(--color-accent);font-size:32px}.assessment-lesson-result small{color:var(--color-text-secondary)}.assessment-lesson-result .membership-button{margin-top:8px;font-size:13px}.assessment-next{flex-wrap:wrap;align-items:center;gap:16px;margin-block:24px 32px;display:flex}.assessment-next>a:not(.membership-button){color:var(--color-accent)}.assessment-rtc{max-width:680px;margin-top:32px}.assessment-group summary{cursor:pointer;color:var(--color-text-secondary);padding:10px 12px;font-weight:700;list-style:none}.assessment-group summary::-webkit-details-marker{display:none}.assessment-group summary:after{content:"+";float:right;color:var(--color-accent);margin-left:8px}.assessment-group[open] summary:after{content:"−"}.assessment-group .assessment-block-link{font-weight:700}.assessment-sidebar-note{margin-top:5px;font-size:11px;display:block}.lesson-assessment{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:14px;margin-block:32px;padding:24px}.lesson-assessment p{color:var(--color-text-secondary);margin:0 0 16px}.study-start{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:14px;margin-block:28px 36px;padding:clamp(20px,3vw,32px);display:block}.study-start-heading{justify-content:space-between;align-items:center;gap:20px;display:flex}.study-start-heading>div{min-width:0}.study-start h3{margin-block:0 16px;font-size:clamp(22px,2vw,30px)}.study-start p{color:var(--color-text-secondary);line-height:1.7}.study-start-action{color:var(--color-accent);align-items:center;gap:8px;font-weight:600;display:inline-flex}.study-start:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}@media (hover:hover){.study-start:hover{border-color:var(--color-accent)}}@media (width<=760px){.study-start .illustrated-card-art{width:64px}}.answer-source{border-top:1px solid var(--color-border-subtle);gap:6px;margin-top:16px;padding-top:14px;display:grid}.answer-source a{color:var(--color-accent)}.answer-source small{color:var(--color-text-secondary);overflow-wrap:anywhere;line-height:1.6}.mock-exam-page{min-height:100vh;color:var(--color-text-primary);background:var(--color-page-background)}html:has(.mock-exam-page){scroll-padding-top:calc(var(--site-topbar-height) + 160px)}.mock-exam-main{max-width:1040px}.mock-exam-heading h1{font-size:clamp(32px,4vw,58px);line-height:1.1}.mock-exam-heading h1 span{color:var(--color-accent)}.mock-exam-heading>p:not(.eyebrow),.mock-exam-options>p{color:var(--color-text-secondary);line-height:1.7}.mock-exam-options{margin-top:40px}.mock-exam-cards{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;display:grid}.mock-exam-cards .lesson-assessment{margin-block:12px 0}.mock-exam-toolbar{top:var(--site-topbar-height);z-index:10;border:1px solid var(--color-border-subtle);background:color-mix(in srgb, var(--color-surface) 92%, transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-radius:14px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;margin-top:28px;padding:16px 20px;display:flex;position:sticky}.mock-exam-toolbar>div{gap:4px;display:grid}.mock-exam-toolbar [role=timer]{color:var(--color-accent);font-variant-numeric:tabular-nums;font-family:DM Mono,monospace;font-size:30px}.mock-exam-toolbar small,.mock-save-status{color:var(--color-text-secondary);font-size:12px}.mock-save-status{min-height:24px;margin-block:14px 20px;line-height:1.6}.mock-question-nav{grid-template-columns:repeat(auto-fit,minmax(40px,1fr));gap:6px;margin-block:24px;display:grid}.mock-question-nav button{border:1px solid var(--color-border-subtle);min-height:40px;color:var(--color-text-secondary);background:var(--color-surface);cursor:pointer;border-radius:8px}.mock-question-nav .is-answered{color:var(--color-accent);border-color:var(--color-accent)}.mock-question-nav .is-current{color:var(--color-on-accent);background:var(--color-accent);border-color:var(--color-accent)}.mock-question-nav .is-correct:not(.is-current):after{content:" ✓"}.mock-question-nav .is-incorrect:not(.is-current):after{content:" ×"}.mock-question-nav button:focus-visible{outline:2px solid var(--color-accent);outline-offset:3px}.mock-step-nav{justify-content:space-between;align-items:center;gap:12px;margin-block:24px 40px;display:flex}.mock-step-nav span{color:var(--color-text-secondary);font-size:14px}.mock-history{margin-top:40px}.mock-history ol{margin:0;padding:0;list-style:none}.mock-history li{border-bottom:1px solid var(--color-border-subtle);flex-wrap:wrap;gap:12px 24px;padding-block:12px;display:flex}.mock-history li strong{color:var(--color-accent)}.mock-history p{color:var(--color-text-secondary);font-size:14px}@media (width<=640px){.mock-exam-cards{grid-template-columns:minmax(0,1fr)}.mock-exam-toolbar{gap:10px;padding:12px}.mock-exam-toolbar .membership-button{padding:10px 14px;font-size:12px}.mock-step-nav .membership-secondary{padding:10px;font-size:12px}.assessment-lesson-row{grid-template-columns:minmax(0,1fr);gap:16px;padding:20px}.assessment-lesson-result{align-items:flex-start}.assessment-lesson-result .membership-button,.assessment-next .membership-button{text-align:center;width:100%}}@container (width<=640px){.assessment-lesson-row{grid-template-columns:minmax(0,1fr);gap:16px}.assessment-lesson-result{align-items:flex-start}.assessment-lesson-result .membership-button{text-align:center;width:100%}}.question-annexes{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:12px;margin-block:20px;padding:20px}.question-annexes>div{gap:10px;display:grid}.question-annexes pre{white-space:pre-wrap;overflow-wrap:anywhere;margin:0;font-size:14px}.question-annexes small{color:var(--color-text-secondary)}.landing.flight-training-guide{background:var(--color-page-background);color:var(--color-text-primary)}.flight-training-content{padding-block:28px 56px}.flight-training-guide .flight-training-content :is(h2,h3){color:var(--color-text-primary);text-wrap:pretty;font-family:Manrope,sans-serif}.flight-training-content h2{margin:0 0 20px;font-size:clamp(28px,3vw,38px);line-height:1.2}.flight-training-content h3{margin:0 0 14px;font-size:18px;line-height:1.4}.flight-training-content p{color:var(--color-text-secondary);margin:0 0 18px;font-size:16px;line-height:1.75}.flight-training-content .eyebrow{color:var(--color-accent);font:11px/1.6 DM Mono,monospace}.flight-training-content a{color:var(--color-accent);text-underline-offset:4px}.flight-training-content a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px;border-radius:3px}.flight-training-content a:hover{text-decoration:underline}.flight-training-breadcrumbs{color:var(--color-text-secondary);flex-wrap:wrap;gap:8px;margin-bottom:36px;font-size:13px;line-height:1.6;display:flex}.flight-training-intro{grid-template-columns:minmax(0,1fr) minmax(240px,300px);align-items:start;gap:36px;display:grid}.flight-training-source-card{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:12px;padding:24px}.flight-training-source-card strong{color:var(--color-text-primary);margin-bottom:12px;font:800 28px/1.2 Manrope,sans-serif;display:block}.flight-training-source-card>a{margin-bottom:20px;font-size:14px;font-weight:700;display:inline-block}.flight-training-source-card small{color:var(--color-text-secondary);font-size:12px;line-height:1.7;display:block}.flight-training-index{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:12px;margin-block:24px 48px;padding:28px}.flight-training-index h2{font-size:24px}.flight-training-index ol{color:var(--color-text-secondary);grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 36px;margin:0;padding-left:24px;display:grid}.flight-training-index li::marker{font:12px DM Mono,monospace}.flight-training-index a{justify-content:space-between;align-items:center;gap:12px;padding:10px 0 10px 4px;font-size:14px;line-height:1.6;display:flex}.flight-training-index a span{flex:none}.flight-training-area{border-top:1px solid var(--color-border-subtle);margin-top:48px;padding-top:36px}.flight-training-area-heading{max-width:800px;margin-bottom:28px}.flight-training-area-columns{grid-template-columns:minmax(0,1fr) minmax(260px,350px);align-items:start;gap:36px;display:grid}.flight-training-study>ul{color:var(--color-text-secondary);margin:0 0 24px;padding-left:22px;font-size:16px;line-height:1.75}.flight-training-study>ul li{margin-bottom:14px;padding-left:4px}.flight-training-study>ul li::marker{color:var(--color-accent)}.flight-training-question{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:12px;margin-block:24px;padding:24px}.flight-training-question p{margin:0}.flight-training-reading{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:12px;padding:24px}.flight-training-reading ul{margin:0;padding:0;list-style:none}.flight-training-reading li+li{border-top:1px solid var(--color-border-subtle)}.flight-training-reading a{padding-block:14px;font-size:14px;font-weight:600;line-height:1.6;display:block}.flight-training-reading li:last-child a{padding-bottom:0}.flight-training-reading small{color:var(--color-text-secondary);justify-content:space-between;gap:12px;margin-top:5px;font-size:11px;font-weight:400;display:flex}.flight-training-source-link{font-size:12px;line-height:1.7;display:inline-block}.flight-training-reflection{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:12px;margin-block:48px;padding:32px}.flight-training-reflection a{font-size:14px;font-weight:600}.flight-training-references{border-top:1px solid var(--color-border-subtle);padding-top:32px}.flight-training-references ul{padding-left:22px;font-size:15px;line-height:1.7}.flight-training-references li{margin-bottom:20px}.flight-training-references a{text-decoration:underline}.flight-training-references li p{margin-top:8px;font-size:13px}.flight-training-references>p{font-size:13px}.flight-training-back{margin-top:32px;font-size:15px;font-weight:600}.documentation-landing .curriculum-complements .illustrated-card:is(.documentation-card--flight-training,.documentation-card--cartography):not(.is-study-completed){--card-ink:var(--illustrated-ink);--card-muted:var(--illustrated-muted);--card-accent:var(--illustrated-accent);background:var(--illustrated-paper);border-color:var(--color-border-control)}.curriculum-complements :is(.documentation-card--flight-training,.documentation-card--cartography) p{max-width:760px}:is(.documentation-card--flight-training,.documentation-card--cartography) .study-completion-segments{min-width:0;max-width:100%}@media (width<=900px){.flight-training-intro,.flight-training-area-columns{grid-template-columns:minmax(0,1fr);gap:24px}.flight-training-source-card{max-width:none}}@media (width<=600px){.flight-training-index ol{grid-template-columns:minmax(0,1fr)}.flight-training-index,.flight-training-reflection,.flight-training-question,.flight-training-reading{padding:20px}.flight-training-area{margin-top:36px;padding-top:28px}.flight-training-content{padding-bottom:40px}}.study-sidebar .sidebar-study-link{border-radius:8px;margin-block:4px;padding:10px 12px}.sidebar-study-link .sidebar-link-title{display:block}.study-sidebar .nav-group .sidebar-study-link.is-available{background:var(--color-accent-surface);color:var(--color-accent);font-weight:600}.study-sidebar .nav-group .sidebar-study-link.is-locked{color:var(--color-text-secondary);background:0 0}.study-sidebar .nav-group .sidebar-study-link.active{background:var(--color-accent);color:var(--color-on-accent);font-weight:800}.study-sidebar .sidebar-study-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:2px}@media (hover:hover){.study-sidebar .nav-group .sidebar-study-link.is-available:not(.active):hover{background:color-mix(in srgb, var(--color-accent) 18%, var(--color-surface))}.study-sidebar .nav-group .sidebar-study-link.is-locked:not(.active):hover{background:color-mix(in srgb, var(--color-text-primary) 6%, transparent)}}.assessment-passed{--assessment-background:var(--assessment-passed-background);--assessment-score:var(--color-assessment-score)}.assessment-needs-review{--assessment-background:var(--assessment-review-background);--assessment-score:var(--color-assessment-score)}.tests-section-grid .tests-section-card:is(.assessment-passed,.assessment-needs-review){--card-ink:var(--color-text-on-dark);--card-muted:var(--color-text-secondary-on-dark);--card-line:var(--color-card-divider);--card-accent:var(--color-accent-on-dark);background:var(--assessment-background)}.tests-section-grid .tests-section-card:is(.assessment-passed,.assessment-needs-review) .test-card-progress :is(strong,b){color:var(--assessment-score)}.test-sidebar.study-sidebar .nav-group a.sidebar-study-link:is(.assessment-passed,.assessment-needs-review){background:var(--assessment-background);color:var(--color-text-on-dark)}.test-sidebar .sidebar-study-link:is(.assessment-passed,.assessment-needs-review).active .sidebar-link-title{text-underline-offset:.2em;text-decoration:underline}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--color-page-background:#e9ebe7;--color-surface:#fcfbf7;--color-surface-raised:#fff;--color-surface-subtle:#f0f1eb;--color-text-primary:#1b2a35;--color-text-secondary:#53636a;--color-border-subtle:#cbd3cf;--color-border-control:#708078;--color-accent-on-light:#805c00;--color-accent-on-dark:#ffe277;--color-accent-on-dark-hover:#ffeaa3;--color-accent:var(--color-accent-on-light);--color-accent-surface:#fff1ce;--color-on-accent:#fcfbf7;--color-action-background:var(--color-accent);--color-action-hover:#654800;--color-focus-ring:var(--color-accent);--color-notice-surface:#fff;--color-surface-on-dark:#142830;--color-surface-raised-on-dark:#1c3037;--color-text-on-dark:#f5f6ed;--color-text-secondary-on-dark:#c3d1ce;--color-border-on-dark:#71898f;--color-on-accent-on-dark:#17262d;--color-success:#21683e;--color-success-surface:#eaf3ea;--color-success-solid:#237343;--color-success-solid-hover:#1b5c35;--color-success-on-dark:#9cddb5;--study-completed-background:#153529;--color-error:#a7372b;--color-error-surface:#fbecea;--color-error-solid:#aa382a;--color-error-solid-hover:#8b2b20;--color-on-status:#fcfbf7;--color-shadow:#101b21;--color-media-scrim:#10232b;--color-card-divider:#000;--card-featured-background:linear-gradient(140deg, #927436, #b69400);--card-featured-foreground:#000;--assessment-passed-background:linear-gradient(140deg, #153529, #245b3e);--assessment-review-background:linear-gradient(140deg, #392322, #6b3028);--color-assessment-score:#f5f6ed;--highlight-background:var(--color-accent-on-dark);--highlight-foreground:#171717;--highlight-hover:#ffd54a}[data-theme=dark]{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--color-page-background:#101b21;--color-surface:#17262d;--color-surface-raised:#1c3037;--color-surface-subtle:#203039;--color-text-primary:#eef1eb;--color-text-secondary:#bdcac8;--color-border-subtle:#43575d;--color-border-control:#7b949a;--color-accent:var(--color-accent-on-dark);--color-accent-surface:#30382d;--color-on-accent:var(--color-on-accent-on-dark);--color-action-hover:var(--color-accent-on-dark-hover);--color-notice-surface:var(--color-surface);--color-success:#9cddb5;--color-success-surface:#203b30;--color-error:#f39480;--color-error-surface:#3e2928}:root{color:var(--color-text-primary);background:var(--color-page-background);accent-color:var(--color-accent);font-family:DM Sans,Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--color-page-background);margin:0}a{color:inherit;text-decoration:none}button{font:inherit}h1,h2,h3{letter-spacing:-1px}.site{grid-template-rows:66px 1fr auto;grid-template-columns:284px minmax(0,1fr);min-height:100vh;display:grid}.topbar{z-index:5;border-bottom:1px solid var(--color-border-subtle);background:color-mix(in srgb,var(--color-surface) 94%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);grid-column:1/-1;align-items:center;height:66px;padding:0 32px;display:flex;position:sticky;top:0}.brand{letter-spacing:-.04em;min-width:252px;font-size:17px;font-weight:700}.brand b{color:var(--color-accent);margin-right:7px;font-size:22px}.brand small{border-left:1px solid var(--color-border-subtle);color:var(--color-text-secondary);letter-spacing:.02em;margin-left:8px;padding-left:9px;font-size:11px}.search-button{border:1px solid var(--color-border-control);background:var(--color-page-background);width:min(440px,45vw);color:var(--color-text-secondary);cursor:pointer;text-align:left;border-radius:8px;align-items:center;gap:9px;padding:9px 11px;font:13px Manrope;display:flex}.search-button span{font-size:20px;line-height:10px}.search-button kbd{border:1px solid var(--color-border-control);border-radius:4px;margin-left:auto;padding:2px 5px;font:10px DM Mono}.utility-nav{color:var(--color-text-secondary);align-items:center;gap:23px;margin-left:auto;font-size:13px;display:flex}.utility-nav button,.sidebar-top button{color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;font-size:18px}.sidebar{border-right:1px solid var(--color-border-subtle);background:var(--color-surface);grid-row:2;height:calc(100vh - 66px);padding:19px 18px 25px;position:sticky;top:66px;overflow:auto}.sidebar-top{color:var(--color-text-secondary);letter-spacing:.09em;align-items:center;gap:12px;padding:0 9px 20px;font:10px DM Mono;display:flex}.sidebar-top button{padding:0;font-size:15px}.nav-group{margin:0 0 20px}.nav-group p{color:var(--color-text-secondary);margin:0 9px 7px;font:600 11px Manrope}.nav-group a{border-radius:6px;padding:6px 9px;font-size:12px;line-height:1.35;display:block}.nav-group a:hover{background:var(--color-page-background)}.nav-group a.active{color:var(--color-accent);background:var(--color-accent-surface);font-weight:600}.sidebar-note{border:1px solid var(--color-border-subtle);background:var(--color-page-background);color:var(--color-text-secondary);border-radius:8px;margin:38px 8px 0;padding:14px;font-size:11px;line-height:1.55}.sidebar-note strong{color:var(--color-text-primary);margin-bottom:4px;display:block}.sidebar-collapsed{grid-template-columns:55px minmax(0,1fr)}.sidebar-collapsed .sidebar{padding:20px 10px}.sidebar-collapsed .sidebar-top span,.sidebar-collapsed .sidebar nav,.sidebar-collapsed .sidebar-note{display:none}main{grid-column:2}.breadcrumbs{color:var(--color-text-secondary);gap:8px;margin-bottom:39px;font-size:12px;display:flex}.breadcrumbs a,.markdown a,.article-footer a{color:var(--color-accent)}.article-header{border-bottom:1px solid var(--color-border-subtle);margin-bottom:38px;padding-bottom:33px}.eyebrow{color:var(--color-accent);letter-spacing:.11em;text-transform:uppercase;margin:0 0 14px;font:11px DM Mono}.article h1{margin:0 0 18px;font:700 clamp(42px,5vw,61px)/.98 Manrope,sans-serif}.lead{color:var(--color-text-secondary);max-width:690px;margin:0;font-size:18px;line-height:1.65}.article-meta{color:var(--color-text-secondary);gap:17px;margin-top:23px;font:11px DM Mono;display:flex}.markdown{font-size:16px;line-height:1.76}.markdown h2{margin:52px 0 16px;font:700 29px/1.15 Manrope,sans-serif}.markdown h3{margin:32px 0 9px;font-size:18px}.markdown p{margin:0 0 20px}.markdown ul,.markdown ol{margin:0 0 22px;padding-left:22px}.markdown li{margin:7px 0;padding-left:4px}.markdown blockquote{border-left:3px solid var(--color-accent);background:var(--color-accent-surface);border-radius:0 7px 7px 0;margin:28px 0;padding:15px 19px}.markdown code{background:var(--color-accent-surface);border-radius:3px;padding:2px 5px;font:12px DM Mono}.article-footer{border-top:1px solid var(--color-border-subtle);justify-content:space-between;gap:20px;margin-top:53px;padding-top:23px;font-size:13px;font-weight:600;display:flex}.article-footer div:last-child{text-align:right}.site-footer{border-top:1px solid var(--color-border-subtle);background:var(--color-surface);color:var(--color-text-secondary);grid-column:2;font-size:12px}.site-footer a{color:var(--color-text-primary);margin-bottom:8px;font-weight:600;display:block}.site-footer p{margin:0}.search-dialog{z-index:40;background:color-mix(in srgb, var(--color-shadow) 53.33%, transparent);justify-content:center;padding-top:15vh;display:flex;position:fixed;inset:0}.search-panel{border:1px solid var(--color-border-subtle);background:var(--color-surface-raised);width:min(620px,100vw - 32px);height:max-content;max-height:70vh;box-shadow:0 28px 70px color-mix(in srgb, var(--color-shadow) 26.67%, transparent);border-radius:12px;overflow:auto}.search-input{border-bottom:1px solid var(--color-border-subtle);color:var(--color-text-secondary);align-items:center;gap:12px;padding:13px 16px;display:flex}.search-input input{width:100%;color:var(--color-text-primary);background:0 0;border:0;outline:0;font:15px Manrope}.search-input button{border:1px solid var(--color-border-control);background:var(--color-page-background);color:var(--color-text-secondary);border-radius:4px;padding:3px 5px;font:10px DM Mono}.search-results{padding:8px}.search-results>p{color:var(--color-text-secondary);margin:12px;font-size:13px}.search-results a{border-radius:7px;flex-direction:column;gap:3px;padding:12px;display:flex}.search-results a:hover{background:var(--color-page-background)}.search-results small{color:var(--color-accent);font:10px DM Mono}.search-results strong{font-size:14px}.search-results span{color:var(--color-text-secondary);font-size:12px}.nav-group p{color:var(--color-text-primary);letter-spacing:.02em;margin:0 9px 8px;font:700 11px Manrope}.markdown figure{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:10px;margin:32px 0;padding:14px}.markdown figure img{border-radius:6px;width:100%;height:auto;display:block}.markdown figcaption{color:var(--color-text-secondary);margin:10px 4px 0;font-size:12px;line-height:1.45}.markdown .lesson-summary{border:1px solid color-mix(in srgb,var(--color-accent) 45%,var(--color-border-subtle));border-left:4px solid var(--color-accent);background:color-mix(in srgb,var(--color-accent) 9%,var(--color-surface));color:var(--color-text-primary);border-radius:8px;margin-top:64px;padding:28px 30px}.markdown .lesson-references{border:1px solid var(--color-border-subtle);background:var(--color-surface);color:var(--color-text-primary);border-radius:8px;margin-top:18px;padding:25px 30px}.markdown .lesson-summary h2,.markdown .lesson-references h2{margin:0 0 16px;font:700 23px/1.25 Manrope,Arial,sans-serif}.markdown .lesson-summary ul,.markdown .lesson-summary ol,.markdown .lesson-references ul{margin:0;padding-left:22px}.markdown .lesson-summary li,.markdown .lesson-references li{margin:9px 0;line-height:1.65}.markdown .lesson-summary li::marker{color:var(--color-accent)}.markdown .lesson-references li::marker{color:var(--color-accent)}.markdown .lesson-summary h3{margin:25px 0 9px}.markdown .lesson-references p{margin:0 0 13px}.markdown .lesson-references a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline;text-decoration-thickness:1px}.markdown .lesson-references a:hover{text-decoration-thickness:2px}.markdown #practica-este-bloque+p{margin:0 0 12px}.markdown #practica-este-bloque+p a{border:1px solid var(--color-accent);background:var(--color-accent);min-height:46px;color:var(--color-on-accent);border-radius:6px;justify-content:center;align-items:center;padding:12px 18px;font-size:14px;font-weight:800;line-height:1.3;text-decoration:none;transition:transform .2s,box-shadow .2s;display:inline-flex}.markdown #practica-este-bloque+p a:hover{box-shadow:0 8px 18px color-mix(in srgb, var(--color-shadow) 13.33%, transparent);transform:translateY(-2px)}.markdown #practica-este-bloque+p a:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:3px}[data-theme=dark] .site .lesson-summary{background:var(--color-accent-surface);border-color:color-mix(in srgb,var(--color-accent) 45%,var(--color-border-subtle));border-left-color:var(--color-accent)}[data-theme=dark] .site .lesson-references{background:var(--color-surface-on-dark);border-color:var(--color-border-on-dark)}[data-theme=dark] .site .lesson-references a{color:var(--color-accent)}@media (width<=600px){.markdown .lesson-summary,.markdown .lesson-references{padding:21px 20px}}.sidebar{scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--color-text-secondary) 55%,transparent) transparent}.sidebar::-webkit-scrollbar{width:9px}.sidebar::-webkit-scrollbar-track{background:0 0}.sidebar::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--color-text-secondary) 45%,transparent);border:3px solid var(--color-surface);border-radius:999px}.sidebar::-webkit-scrollbar-thumb:hover{background:var(--color-accent)}.landing{background:var(--color-surface-on-dark);color:var(--color-text-on-dark);overflow:clip}.landing-nav{width:min(calc(100% - 2 * var(--site-layout-gutter)),var(--site-layout-width));justify-content:space-between;align-items:center;height:78px;margin:0 auto;display:flex}.landing-brand{letter-spacing:-.06em;font-size:18px;font-weight:800}.landing-brand b{color:var(--color-accent);margin-right:7px;font-size:24px}.landing-brand small{color:var(--color-text-secondary-on-dark);letter-spacing:.08em;margin-left:7px;font:10px DM Mono}.landing-nav nav{color:var(--color-text-secondary-on-dark);align-items:center;gap:25px;font-size:12px;display:flex}.landing-nav nav a:hover{color:var(--color-text-on-dark)}.landing-nav button{border:1px solid var(--color-border-on-dark);width:30px;height:30px;color:var(--color-text-on-dark);cursor:pointer;background:0 0;border-radius:50%}.nav-docs{border:1px solid var(--color-border-on-dark);border-radius:6px;padding:9px 13px;color:var(--color-text-on-dark)!important}.landing main{padding:0;display:block}.statement h2,.platform h2,.closing h2{font:800 Manrope,sans-serif;margin:0}.closing h2 span{color:var(--color-accent-on-dark)}.button-primary{background:var(--color-accent-on-dark);color:var(--color-on-accent-on-dark);border-radius:7px;align-items:center;gap:18px;padding:13px 17px;font-size:12px;font-weight:800;display:inline-flex}.button-primary b{font-size:18px}.button-quiet{color:var(--color-text-on-dark);font-size:12px;font-weight:700}.button-quiet b{color:var(--color-accent-on-dark);margin-left:6px}.statement{background:var(--color-surface);color:var(--color-text-primary)}.statement>*{width:min(100%,var(--site-layout-width));margin-left:auto;margin-right:auto}.statement h2{font-size:clamp(42px,4.5vw,61px);line-height:1.06}.statement h2 em{color:var(--color-accent-on-light);font-style:normal}.statement-grid{grid-template-columns:1fr 1fr;gap:80px;margin-top:56px;display:grid}.statement-grid>p{max-width:330px;color:var(--color-text-secondary);margin:0;font-size:16px;line-height:1.65}.statement dl{margin:0}.statement dl div{border-top:1px solid var(--color-border-subtle);gap:22px;padding:14px 0;display:flex}.statement dt{color:var(--color-accent-on-light);font:11px DM Mono}.statement dd{margin:0;font-size:13px;font-weight:700}.statement>h2,.statement>.statement-grid{margin-left:auto;margin-right:auto}.platform{background:var(--color-surface-on-dark)}.platform>header,.product-grid{width:min(100%,var(--site-layout-width));margin-left:auto;margin-right:auto}.platform h2{font-size:clamp(42px,4.5vw,61px);line-height:1.06}.product-grid{grid-template-columns:1.25fr 1fr 1fr;gap:16px;margin-top:48px;display:grid}.product-card{border:1px solid var(--color-border-on-dark);background:var(--color-surface-on-dark);border-radius:12px;flex-direction:column;min-height:350px;padding:24px;display:flex;position:relative;overflow:hidden}.docs-card{background:linear-gradient(145deg,var(--color-surface-on-dark),var(--color-surface-on-dark));transition:transform .25s}.docs-card:hover{transform:translateY(-4px)}.tests-card{background:var(--color-surface-on-dark)}.ai-card{background:linear-gradient(145deg,var(--color-surface-on-dark),var(--color-surface-on-dark))}.card-number{color:var(--color-accent-on-dark);font:11px DM Mono}.card-icon{background:color-mix(in srgb, var(--color-shadow) 12.55%, transparent);border-radius:9px;place-items:center;width:42px;height:42px;margin:40px 0 18px;font-size:21px;display:grid}.product-card h3{margin:0 0 10px;font-size:20px}.product-card p{color:var(--color-text-secondary-on-dark);max-width:260px;margin:0;font-size:13px;line-height:1.6}.product-card>b{z-index:1;margin-top:auto;font-size:12px;position:relative}.product-card b i{color:var(--color-accent-on-dark);margin-left:6px;font-style:normal}.card-radar{border:1px solid color-mix(in srgb, var(--color-shadow) 26.67%, transparent);border-radius:50%;width:230px;height:230px;position:absolute;bottom:-90px;right:-90px}.card-radar span{border:1px solid color-mix(in srgb, var(--color-shadow) 26.67%, transparent);border-radius:50%;position:absolute;inset:25%}.card-radar span:nth-child(2){inset:50%}.card-radar span:nth-child(3){border-top-color:var(--color-accent-on-dark);inset:0}.ai-pulse{background:radial-gradient(circle,color-mix(in srgb, var(--color-shadow) 46.67%, transparent) 0 8%,color-mix(in srgb, var(--color-shadow) 13.33%, transparent) 9% 30%,transparent 31%);border-radius:50%;width:230px;height:230px;position:absolute;bottom:-60px;right:-60px}.closing{padding:135px var(--site-layout-gutter);text-align:center;background:radial-gradient(circle at 50% 0,var(--color-surface-on-dark),var(--color-surface-on-dark) 62%)}.closing>*{width:min(100%,var(--site-layout-width));margin-left:auto;margin-right:auto}.closing h2{margin-bottom:32px;font-size:clamp(45px,5vw,72px);line-height:1.03}.landing-footer{color:var(--color-text-secondary-on-dark);font-size:11px}.landing-footer .landing-brand{color:var(--color-text-on-dark);font-size:15px}.closing{padding:135px var(--site-layout-gutter);text-align:left}.closing-inner{width:min(100%,var(--site-layout-width));margin:0 auto}.closing h2{margin:0 0 32px}.closing .button-primary{width:auto}@media (width<=760px){.site{display:block}.topbar{padding:0 16px}.brand{min-width:auto}.brand small,.utility-nav a{display:none}.search-button{width:145px;margin-left:auto}.utility-nav{margin-left:14px}.sidebar{display:none}.article h1{font-size:44px}.site-footer>div+div{margin:22px 0}.article-meta{flex-direction:column;gap:5px}.article-footer{font-size:11px}.search-dialog{padding-top:80px}.landing-nav nav a:not(.nav-docs){display:none}.statement-grid,.product-grid{grid-template-columns:1fr;gap:28px}.statement-grid{margin-top:40px}.product-card{min-height:290px}.landing-footer span{margin-top:12px;display:block}.closing{padding-top:100px;padding-bottom:100px}}.quiz-page{background:var(--color-page-background);min-height:100vh;color:var(--color-text-primary);grid-template-rows:70px 1fr;grid-template-columns:284px minmax(0,1fr);display:grid}.quiz-topbar{border-bottom:1px solid var(--color-border-subtle);background:var(--color-surface);grid-column:1/-1;justify-content:space-between;align-items:center;width:100%;height:70px;margin:0;padding:0 32px;display:flex}.quiz-topbar .brand{min-width:0}.back-link{color:var(--color-text-secondary);font-size:13px}.back-link:hover{color:var(--color-accent)}.test-sidebar{border-right:1px solid var(--color-border-subtle);background:var(--color-surface);scrollbar-width:thin;scrollbar-color:color-mix(in srgb,var(--color-text-secondary) 55%,transparent) transparent;grid-row:2;height:calc(100vh - 70px);padding:19px 18px 25px;position:sticky;top:0;overflow:auto}.test-sidebar::-webkit-scrollbar{width:9px}.test-sidebar::-webkit-scrollbar-track{background:0 0}.test-sidebar::-webkit-scrollbar-thumb{background:color-mix(in srgb,var(--color-text-secondary) 45%,transparent);border:3px solid var(--color-surface);border-radius:999px}.test-sidebar::-webkit-scrollbar-thumb:hover{background:var(--color-accent)}.test-sidebar .sidebar-top{padding-bottom:20px}.test-pending{color:var(--color-text-secondary);border-radius:6px;justify-content:space-between;align-items:center;gap:8px;padding:6px 9px;font-size:12px;line-height:1.35;display:flex}.test-pending small{color:var(--color-text-secondary);opacity:.8;font:10px DM Mono}.quiz-page .quiz-main{grid-column:2;display:block}.quiz-intro{max-width:760px}.quiz-intro h1{margin:0 0 20px;font-size:clamp(44px,5.5vw,70px);line-height:.98}.quiz-intro>p:not(.eyebrow){max-width:620px;color:var(--color-text-secondary);margin:0;font-size:17px;line-height:1.65}.quiz-progress{max-width:620px;color:var(--color-text-secondary);align-items:center;gap:15px;margin-top:32px;font:11px DM Mono;display:flex}.quiz-progress>div{background:var(--color-border-subtle);border-radius:99px;flex:1;height:7px;overflow:hidden}.quiz-progress i{border-radius:inherit;background:var(--color-accent);height:100%;transition:width .2s;display:block}.question-list{gap:18px;margin-top:56px;display:grid}.quiz-question{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:12px;padding:28px;transition:border-color .2s}.quiz-question.is-correct{border-color:var(--color-success)}.quiz-question.is-incorrect{border-color:var(--color-error)}.quiz-question header{align-items:flex-start;gap:17px;display:flex}.quiz-question header>span{color:var(--color-accent);padding-top:5px;font:11px DM Mono}.quiz-question h2{max-width:730px;margin:0;font-size:18px;line-height:1.4}.quiz-options{gap:9px;margin:22px 0 0 32px;display:grid}.quiz-options button{border:1px solid var(--color-border-control);background:var(--color-surface);width:100%;color:var(--color-text-primary);text-align:left;cursor:pointer;border-radius:7px;align-items:center;gap:12px;padding:13px;font-size:14px;line-height:1.45;display:flex}.quiz-options button:hover:not(:disabled){border-color:var(--color-accent);background:var(--color-accent-surface)}.quiz-options button:disabled{cursor:default}.quiz-options button.selected{border-color:var(--color-accent);background:var(--color-accent-surface)}.quiz-options b{background:var(--color-page-background);width:23px;height:23px;color:var(--color-text-secondary);border-radius:50%;flex:none;place-items:center;font:11px DM Mono;display:grid}.quiz-options .selected b{background:var(--color-accent);color:var(--color-on-accent)}.quiz-options .correct{border-color:var(--color-success);background:var(--color-success-surface)}.quiz-options .correct b{background:var(--color-success);color:var(--color-text-on-dark)}.quiz-options .incorrect{border-color:var(--color-error);background:var(--color-error-surface)}.quiz-options .incorrect b{background:var(--color-error);color:var(--color-text-on-dark)}.quiz-options i{margin-left:auto;font-size:18px;font-style:normal}.quiz-options .correct i{color:var(--color-success)}.quiz-options .incorrect i{color:var(--color-error)}.answer-explanation{border-left:3px solid var(--color-accent);background:var(--color-accent-surface);border-radius:0 7px 7px 0;margin:20px 0 0 32px;padding:16px 18px}.answer-explanation strong{font-size:13px}.answer-explanation p{color:var(--color-text-secondary);margin:6px 0 0;font-size:13px;line-height:1.6}.quiz-actions{border-block:1px solid var(--color-border-subtle);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);color:var(--color-text-secondary);background:0 0;border-inline:0;border-radius:0;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:16px;margin-top:38px;padding:12px 16px;font-size:13px;line-height:1.5;display:grid;position:sticky;bottom:20px}.quiz-actions>span{min-width:0}.quiz-actions>:is(button,a){white-space:nowrap}.evaluate-button{background:var(--color-accent);min-height:44px;color:var(--color-on-accent);cursor:pointer;border:1px solid #0000;border-radius:6px;padding:10px 16px;font-weight:700}.evaluate-button:hover:not(:disabled){background:var(--color-action-hover)}.evaluate-button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.evaluate-button:disabled{cursor:not-allowed;border-color:var(--color-border-control);background:color-mix(in srgb,var(--color-text-primary) 7%,transparent);color:var(--color-text-secondary)}.quiz-score{background:var(--color-surface-on-dark);color:var(--color-text-on-dark);border-radius:12px;align-items:center;gap:25px;margin-top:38px;padding:23px 27px;display:flex}.quiz-score>div{align-items:baseline;gap:12px;display:flex}.quiz-score span{letter-spacing:.12em;color:var(--color-accent-on-dark);font:10px DM Mono}.quiz-score strong{letter-spacing:0;white-space:nowrap;font-size:42px}.quiz-score strong small{letter-spacing:0;color:var(--color-text-secondary-on-dark);margin-inline-start:4px;font-size:17px}.quiz-score p{color:var(--color-text-on-dark);flex:1;margin:0;font-size:13px;line-height:1.55}.quiz-score button{border:1px solid var(--color-border-on-dark);color:var(--color-text-on-dark);cursor:pointer;background:0 0;border-radius:6px;padding:9px 11px;font-size:12px}.quiz-score button:hover{background:color-mix(in srgb, var(--color-shadow) 8.63%, transparent)}@media (width<=760px){.quiz-page{display:block}.quiz-topbar{padding:0 20px}.test-sidebar{display:none}}@media (width<=650px){.quiz-intro h1{font-size:44px}.quiz-question{padding:20px}.quiz-options,.answer-explanation{margin-left:0}.quiz-actions{bottom:calc(12px + env(safe-area-inset-bottom,0px));gap:12px;padding:12px 16px}.quiz-actions>span{font-size:12px}.quiz-score{flex-direction:column;align-items:flex-start;gap:12px}.quiz-score p{margin:0}.quiz-score button{width:100%}}.landing-nav nav{gap:10px}.landing-nav nav>a{border:1px solid var(--color-border-on-dark);color:var(--color-text-on-dark);border-radius:6px;padding:9px 13px;font-size:12px}.landing-nav nav>a:hover{border-color:var(--color-accent-on-dark);color:var(--color-text-on-dark)}.landing-nav .theme-toggle{border:1px solid var(--color-border-on-dark);width:38px;height:38px;color:var(--color-text-on-dark);cursor:pointer;background:0 0;border-radius:7px;place-items:center;margin-left:3px;display:grid}.theme-toggle span{font-size:22px;line-height:1}.landing-brand small{font-size:10px}.landing-light{background:var(--color-page-background);color:var(--color-text-primary)}.landing-light .landing-nav{color:var(--color-text-primary)}.landing-light .landing-nav nav>a,.landing-light .landing-nav .theme-toggle{border-color:var(--color-border-control);color:var(--color-text-primary)}.landing-light .landing-nav nav>a:hover{border-color:var(--color-accent-on-light);color:var(--color-accent-on-light)}.landing-light .platform{background:var(--color-page-background);color:var(--color-text-primary)}.documentation-landing{background:var(--color-page-background);min-height:100vh;color:var(--color-text-primary)}.documentation-hero{background:var(--color-surface-on-dark);color:var(--color-text-on-dark)}.documentation-hero h1{font:var(--hero-heading-font);margin:0 0 24px}.documentation-hero h1 em{color:var(--color-accent-on-dark);font-style:normal}.documentation-lead{max-width:630px;color:var(--color-text-secondary-on-dark);margin:0 0 30px;font-size:18px;line-height:1.65}.documentation-index-intro h2{margin:0 0 20px;font:800 clamp(36px,5vw,58px)/1.03 Manrope,sans-serif}.documentation-index-intro>p:last-child{color:var(--color-text-secondary);font-size:16px;line-height:1.65}.documentation-index-footer{color:var(--color-text-secondary);font-size:12px}.documentation-index-footer a{color:var(--color-accent)}@media (width<=760px){.landing-nav nav>a{display:none}.landing-nav .theme-toggle{display:grid}.documentation-index-footer span{margin-top:12px;display:block}}@keyframes section-card-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.tests-landing{background:var(--color-page-background);min-height:100vh;color:var(--color-text-primary)}.tests-landing-hero{background:var(--color-surface-on-dark);color:var(--color-text-on-dark)}.tests-landing-hero h1{font:var(--hero-heading-font);margin:0 0 24px}.tests-landing-hero h1 em{color:var(--color-accent-on-dark);font-style:normal}.tests-landing-hero-inner>p:last-child{max-width:620px;color:var(--color-text-secondary-on-dark);margin:0;font-size:18px;line-height:1.65}.tests-index-heading{justify-content:space-between;align-items:end;gap:25px;display:flex}.tests-index-heading h2{margin:0;font:800 clamp(38px,5vw,58px)/1.03 Manrope,sans-serif}.tests-index-actions{align-items:center;gap:10px;display:flex}.tests-index-actions a{border:1px solid var(--color-border-control);color:var(--color-text-secondary);border-radius:6px;padding:9px 12px;font-size:12px}.tests-index-actions a:hover{border-color:var(--color-accent);color:var(--color-accent)}.tests-index-actions button{border:1px solid var(--color-border-control);background:var(--color-surface);width:38px;height:38px;color:var(--color-text-primary);cursor:pointer;border-radius:7px;font-size:20px}.tests-landing-footer{color:var(--color-text-secondary);font-size:12px}.tests-landing-footer a{color:var(--color-text-primary);font-weight:700}.tests-doc-link{border:1px solid var(--color-border-subtle);border-radius:6px;padding:8px 11px;color:var(--color-text-primary)!important}.quiz-topbar .utility-nav{gap:12px}.quiz-topbar .utility-nav>a{font-size:12px}.quiz-topbar .utility-nav button{font-size:18px}.quiz-page .quiz-topbar .brand small{content:"Formación ULM España"}@media (width<=760px){.tests-index-heading{flex-direction:column;align-items:flex-start}.tests-landing-footer span{margin-top:12px;display:block}.quiz-topbar .utility-nav>a:not(.tests-doc-link){display:none}}.tests-landing .landing-nav{background:0 0}.tests-landing .landing-nav nav>a,.tests-landing .landing-nav .theme-toggle{border-color:var(--color-border-on-dark);color:var(--color-text-on-dark)}.tests-landing .landing-nav{width:100%;max-width:none;padding-left:max(var(--site-layout-gutter),calc((100% - var(--site-layout-width)) / 2));padding-right:max(var(--site-layout-gutter),calc((100% - var(--site-layout-width)) / 2));background:var(--color-surface-on-dark)}.tests-landing .landing-nav .landing-brand,.tests-landing .landing-nav nav{color:var(--color-text-on-dark)}@media (width<=760px){.tests-landing .landing-nav{padding-left:20px;padding-right:20px}}.app-topbar{width:100%;color:var(--color-text-primary);grid-column:1/-1;justify-content:space-between;align-items:center;display:flex}.app-topbar-dark{border-bottom-color:var(--color-border-on-dark);color:var(--color-text-on-dark)}.app-brand{letter-spacing:-.06em;white-space:nowrap;font-size:18px;font-weight:800}.app-brand b{color:var(--color-accent);margin-right:7px;font-size:24px}.app-brand small{color:var(--color-text-secondary);letter-spacing:.08em;border-left:1px solid;margin-left:7px;padding-left:8px;font:10px DM Mono}.app-topbar-dark .app-brand small{color:var(--color-text-secondary-on-dark)}.app-nav{align-items:center;gap:10px;font-size:12px;display:flex}.app-nav>a{border:1px solid var(--color-border-control);color:var(--color-text-secondary);border-radius:6px;padding:9px 13px}.app-nav>a:hover{border-color:var(--color-accent);color:var(--color-accent)}.app-topbar-dark .app-nav>a{border-color:var(--color-border-on-dark);color:var(--color-text-on-dark)}.app-topbar-dark .app-nav>a:hover,.app-topbar-dark .app-nav>a.is-active{border-color:var(--color-accent-on-dark);color:var(--color-text-on-dark)}.app-nav>a.is-active{border-color:var(--color-accent);background:color-mix(in srgb,var(--color-accent) 12%,transparent);color:var(--color-accent);font-weight:700}.app-theme-toggle{border:1px solid var(--color-border-control);width:38px;height:38px;color:var(--color-text-primary);cursor:pointer;background:0 0;border-radius:7px;place-items:center;margin-left:3px;display:grid}.app-theme-toggle span{font-size:22px;line-height:1}.app-topbar-dark .app-theme-toggle{border-color:var(--color-border-on-dark);color:var(--color-text-on-dark)}.app-search{border:1px solid var(--color-border-control);background:var(--color-page-background);width:min(440px,35vw);color:var(--color-text-secondary);cursor:pointer;text-align:left;border-radius:8px;align-items:center;gap:9px;margin-left:auto;margin-right:25px;padding:9px 11px;font:13px Manrope;display:flex}.app-search span{font-size:20px;line-height:10px}.app-search kbd{border:1px solid var(--color-border-control);border-radius:4px;margin-left:auto;padding:2px 5px;font:10px DM Mono}.app-topbar .app-nav:has(+*){margin-left:auto}.quiz-page>.app-topbar{grid-area:1/1/auto/-1}.landing>.app-topbar,.tests-landing>.app-topbar{width:100%}@media (width<=760px){.app-brand small,.app-search,.app-nav>a{display:none}.app-nav>a.is-active{display:block}.app-nav{margin-left:auto}.app-topbar-dark .app-nav>a.is-active{display:block}}.landing-light,.landing-light .platform{color:var(--color-text-primary)}h1,h2,h3,.landing h2,.documentation-hero h1,.documentation-index-intro h2,.tests-landing-hero h1,.tests-index-heading h2,.quiz-intro h1{font-family:Syne,Arial,sans-serif}.app-nav>a{border-radius:999px;padding:10px 15px}.app-nav>a.is-active{background:var(--color-accent);border-color:var(--color-accent);color:var(--color-on-accent)}.app-topbar-dark .app-nav>a.is-active{background:var(--color-accent-on-dark);border-color:var(--color-accent-on-dark);color:var(--color-on-accent-on-dark)}.app-theme-toggle{border-radius:999px}.app-brand{letter-spacing:-.045em;font-family:DM Sans,Arial,sans-serif}.app-brand b{font-family:Syne;font-weight:700}.landing{background:var(--color-surface-on-dark);color:var(--color-text-on-dark)}.landing-nav{height:88px}.button-primary{background:var(--color-accent-on-dark);color:var(--color-on-accent-on-dark);border-radius:999px;padding:14px 19px;transition:transform .35s,background .35s}.button-primary:hover{background:var(--color-accent-on-dark-hover);transform:translateY(-3px)}.closing{background:var(--color-surface-on-dark);padding-top:160px;padding-bottom:160px}.closing h2{font-size:clamp(52px,7vw,96px)}.documentation-hero,.tests-landing-hero{background:var(--color-surface-on-dark)}.documentation-index,.tests-index{position:relative}.quiz-question{box-shadow:0 8px 22px color-mix(in srgb, var(--color-shadow) 6.27%, transparent);border-radius:4px}.section-score{border-radius:4px}.quiz-score{background:var(--color-surface-on-dark);border-radius:4px}.landing h1,.landing h2,.landing h3,.documentation-hero h1,.documentation-index-intro h2,.tests-landing-hero h1,.tests-index-heading h2,.quiz-intro h1,.article h1,.markdown h2{font-family:Manrope,Arial,sans-serif}[data-theme=dark] .site{background:var(--color-page-background)}[data-theme=dark] .site .sidebar{background:var(--color-surface);border-right-color:var(--color-border-on-dark)}[data-theme=dark] .site main{background:var(--color-page-background)}[data-theme=dark] .site .sidebar-top{border-bottom-color:var(--color-border-on-dark)}[data-theme=dark] .site .nav-group a:hover{background:var(--color-surface-subtle)}[data-theme=dark] .site .nav-group a.active{background:var(--color-accent-on-dark);color:var(--color-on-accent-on-dark)}[data-theme=dark] .site .sidebar-note{background:var(--color-surface-on-dark);border-color:var(--color-border-on-dark)}html{font-size:16px}body{text-wrap:pretty}.site{background:var(--color-page-background)}.site>.app-topbar{grid-row:1}.article{max-width:820px}.article-header{border-bottom-color:var(--color-border-subtle);margin-bottom:44px;padding-bottom:40px}.article h1{color:var(--color-text-primary);font-size:clamp(48px,6vw,75px);line-height:.95}.article .lead{max-width:650px;color:var(--color-text-secondary)}.markdown h2{margin-top:64px;font-size:clamp(28px,3vw,38px)}.markdown h3{font-family:DM Sans,Arial,sans-serif;font-weight:700}.sidebar{background:color-mix(in srgb,var(--color-surface) 92%,var(--color-page-background));border-right-color:var(--color-border-subtle)}.sidebar-top{border-bottom:1px solid var(--color-border-subtle);margin-bottom:20px}.nav-group{margin-bottom:26px}.nav-group p{letter-spacing:.1em;text-transform:uppercase;color:var(--color-text-secondary);font-family:DM Mono;font-size:10px}.nav-group a{padding:8px 10px}.nav-group a.active{background:var(--color-accent);color:var(--color-on-accent)}.site-footer{background:var(--color-surface);border-top-color:var(--color-border-subtle)}.landing-footer{border-top:1px solid var(--color-border-on-dark)}.documentation-index-intro{max-width:760px}.documentation-index-intro h2{font-size:clamp(46px,6vw,78px)}.tests-index-heading{border-bottom:1px solid var(--color-border-subtle);padding-bottom:32px}.quiz-main{container-type:inline-size}.quiz-intro h1{text-wrap:balance}.quiz-question h2{font-family:DM Sans,Arial,sans-serif;font-weight:700}.quiz-options button{transition:background .3s,border-color .3s,transform .3s}.quiz-options button:hover:not(:disabled){transform:translate(3px)}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important}}.quiz-heading-row{justify-content:space-between;align-items:flex-start;gap:28px;display:flex}.section-score{border:1px solid var(--color-border-subtle);background:var(--color-surface);min-width:190px;box-shadow:0 8px 24px color-mix(in srgb, var(--color-shadow) 5.1%, transparent);border-radius:12px;flex:none;padding:17px 18px}.section-score span{color:var(--color-accent);letter-spacing:.1em;font:10px DM Mono;display:block}.section-score strong{letter-spacing:0;margin:9px 0 3px;font-size:40px;line-height:1;display:block}.section-score small{color:var(--color-text-secondary);font-size:11px;line-height:1.35;display:block}.quiz-question{background:var(--color-surface);border-color:var(--color-border-subtle);color:var(--color-text-primary)}.quiz-options button{background:var(--color-surface);border-color:var(--color-border-control);color:var(--color-text-primary)}.answer-explanation{background:var(--color-accent-surface);color:var(--color-text-primary)}.answer-explanation p{color:var(--color-text-secondary)}[data-theme=dark] .quiz-question{background:var(--color-surface);border-color:var(--color-border-subtle)}[data-theme=dark] .quiz-question.is-correct{border-color:var(--color-success)}[data-theme=dark] .quiz-question.is-incorrect{border-color:var(--color-error)}[data-theme=dark] .quiz-options button{background:var(--color-surface);border-color:var(--color-border-control);color:var(--color-text-primary)}[data-theme=dark] .quiz-options button:hover:not(:disabled){background:var(--color-accent-surface);border-color:var(--color-accent)}[data-theme=dark] .quiz-options button.selected:not(.correct):not(.incorrect){background:var(--color-accent-surface)}[data-theme=dark] .answer-explanation{background:var(--color-accent-surface);border-left-color:var(--color-accent)}@media (width<=760px){.quiz-heading-row{display:block}.section-score{max-width:240px;margin-top:28px}}.tests-index-explanation{max-width:610px;color:var(--color-text-secondary);margin:15px 0 0;font-size:14px;line-height:1.6}.footer-disclaimer-link{text-underline-offset:3px;text-decoration:underline}.footer-disclaimer-link:hover{text-decoration-thickness:2px}.footer-disclaimer-link:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.landing-footer .footer-disclaimer-link{color:inherit}.documentation-index-footer .footer-disclaimer-link,.tests-landing-footer .footer-disclaimer-link{color:var(--color-text-primary);font-weight:600}.legal-page{background:var(--color-page-background);min-height:100vh;color:var(--color-text-primary);flex-direction:column;display:flex}.legal-page .legal-main{flex:1;grid-column:auto}.legal-header{border-bottom:1px solid var(--color-border-subtle);margin-bottom:36px;padding-bottom:34px}.legal-header h1{margin:0 0 22px;font-size:clamp(40px,5vw,64px);line-height:1.05}.legal-header>p:not(.eyebrow){max-width:740px;color:var(--color-text-secondary);margin:0 0 20px;font-size:18px;line-height:1.7}.legal-header>span{color:var(--color-text-secondary);font:11px DM Mono,monospace}.legal-main section{margin-top:38px}.legal-main h2{margin:0 0 14px;font-size:25px;line-height:1.2}.legal-main section p{max-width:760px;margin:0 0 14px;font-size:15px;line-height:1.8}.legal-main section a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.privacy-index{grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 28px;max-width:760px;margin-bottom:44px;display:grid}.privacy-index a{min-height:44px;color:var(--color-accent);text-underline-offset:3px;align-items:center;font-size:15px;line-height:1.5;text-decoration:underline;display:flex}.legal-main section ul{max-width:760px;margin:0 0 18px;padding-left:24px;font-size:16px;line-height:1.8}.legal-main section li{margin-bottom:14px;padding-left:4px}.legal-main section p{overflow-wrap:anywhere;font-size:16px}.legal-main code{overflow-wrap:anywhere;font-size:.9em}.privacy-cookie-settings{color:var(--color-accent);font:inherit;cursor:pointer;text-underline-offset:3px;background:0 0;border:0;padding:0;text-decoration:underline}.privacy-index a:focus-visible,.privacy-cookie-settings:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}@media (width<=760px){.privacy-index{grid-template-columns:1fr;gap:4px}}.legal-footer,.quiz-site-footer{border-top:1px solid var(--color-border-subtle);background:var(--color-surface);color:var(--color-text-secondary);font-size:12px}.quiz-site-footer{grid-area:3/2}.legal-footer>a:first-child,.quiz-site-footer>a:first-child{color:var(--color-text-primary);font-weight:700}@media (width<=760px){.quiz-site-footer{grid-area:auto}.landing-footer .footer-disclaimer-link,.documentation-index-footer .footer-disclaimer-link,.tests-landing-footer .footer-disclaimer-link{margin-top:12px;display:inline-block}}.site-footer-brand{color:var(--color-text-primary);letter-spacing:-.05em;white-space:nowrap;flex:none;align-items:center;font-size:15px;margin:0!important;font-weight:800!important;display:inline-flex!important}.site-footer-brand b{color:var(--color-accent);margin-right:6px;font-size:22px;line-height:1}.site-footer-brand small{border-left:1px solid var(--color-border-subtle);color:var(--color-text-secondary);letter-spacing:.08em;margin-left:8px;padding-left:8px;font:10px DM Mono,monospace}.site-footer-links{color:var(--color-text-secondary);white-space:nowrap;justify-content:flex-end;align-items:center;gap:0;font-size:11px;display:flex}.site-footer-links>span{align-items:center;display:inline-flex}.site-footer-links i{color:var(--color-text-secondary);opacity:.7;margin:0 11px;font-style:normal}.site-footer-links a{color:inherit!important;margin:0!important;font-weight:600!important;display:inline!important}.site-footer-links a:hover{color:var(--color-accent)!important}.landing .site-footer-brand{color:var(--color-text-on-dark)}.landing .site-footer-brand small{border-left-color:var(--color-border-on-dark);color:var(--color-text-secondary-on-dark)}.landing .site-footer-links{color:var(--color-text-secondary-on-dark)}.landing .site-footer-links a:hover{color:var(--color-accent-on-dark)!important}@media (width<=760px){.site-footer-links{white-space:normal;flex-wrap:wrap;justify-content:flex-start;row-gap:7px}.site-footer-brand small{display:none}}.article h1{overflow-wrap:anywhere}.documentation-hero{isolation:isolate;background:var(--color-surface-on-dark);align-items:center;min-height:520px;display:flex;position:relative;overflow:hidden}.documentation-hero-image{z-index:-1;position:absolute;inset:0}.documentation-hero-image:after{content:"";background:linear-gradient(90deg,color-mix(in srgb, var(--color-media-scrim) 96.08%, transparent) 0%,color-mix(in srgb, var(--color-media-scrim) 89.8%, transparent) 34%,color-mix(in srgb, var(--color-media-scrim) 57.25%, transparent) 57%,color-mix(in srgb, var(--color-media-scrim) 14.12%, transparent) 83%,color-mix(in srgb, var(--color-media-scrim) 3.14%, transparent) 100%);position:absolute;inset:0}.documentation-hero-image img{object-fit:cover;object-position:center;width:100%;height:100%;display:block}@media (width<=760px){.documentation-hero{min-height:500px}.documentation-hero-image img{object-position:62% center}.documentation-hero-image:after{background:linear-gradient(90deg,color-mix(in srgb, var(--color-media-scrim) 94.9%, transparent) 0%,color-mix(in srgb, var(--color-media-scrim) 80.0%, transparent) 57%,color-mix(in srgb, var(--color-media-scrim) 37.65%, transparent) 100%)}}.tests-landing-hero{isolation:isolate;background:var(--color-surface-on-dark);align-items:center;min-height:520px;display:flex;position:relative;overflow:hidden}.tests-landing-hero-image{z-index:-1;position:absolute;inset:0}.tests-landing-hero-image:after{content:"";background:linear-gradient(90deg,color-mix(in srgb, var(--color-media-scrim) 96.08%, transparent) 0%,color-mix(in srgb, var(--color-media-scrim) 89.8%, transparent) 34%,color-mix(in srgb, var(--color-media-scrim) 57.25%, transparent) 57%,color-mix(in srgb, var(--color-media-scrim) 14.12%, transparent) 83%,color-mix(in srgb, var(--color-media-scrim) 3.14%, transparent) 100%);position:absolute;inset:0}.tests-landing-hero-image img{object-fit:cover;object-position:center;width:100%;height:100%;display:block}@media (width<=760px){.tests-landing-hero{min-height:500px}.tests-landing-hero-image img{object-position:62% center}.tests-landing-hero-image:after{background:linear-gradient(90deg,color-mix(in srgb, var(--color-media-scrim) 94.9%, transparent) 0%,color-mix(in srgb, var(--color-media-scrim) 80.0%, transparent) 57%,color-mix(in srgb, var(--color-media-scrim) 37.65%, transparent) 100%)}}.quiz-question-reference{border-top:1px solid var(--color-border-subtle);justify-content:flex-end;margin-top:20px;padding-top:12px;display:flex}.quiz-question-reference a{max-width:100%;min-height:44px;color:var(--color-text-secondary);text-align:right;flex-wrap:wrap;justify-content:flex-end;align-items:center;gap:4px;font-size:12px;line-height:1.4;display:inline-flex}.quiz-question-reference strong{color:var(--color-accent);text-decoration:underline;-webkit-text-decoration-color:color-mix(in srgb,var(--color-accent) 45%,transparent);text-decoration-color:color-mix(in srgb,var(--color-accent) 45%,transparent);text-underline-offset:3px;font-weight:700}.quiz-question-reference a:hover,.quiz-question-reference a:hover strong{color:var(--color-text-primary)}.quiz-question-reference a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.markdown :is(h1,h2,h3)[id]{scroll-margin-top:16px}html:has(.quiz-page){scroll-behavior:auto;scroll-padding-block:100px 160px}.quiz-options button{scroll-margin-block:110px 160px}.site-footer-links button{color:inherit;font:inherit;cursor:pointer;text-align:left;background:0 0;border:0;padding:0;font-weight:600}.site-footer-links button:hover{color:var(--color-accent)}.site-footer-links button:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.analytics-consent{z-index:1000;background:var(--color-surface);width:min(980px,100% - 40px);max-height:calc(100dvh - 110px);color:var(--color-text-primary);box-shadow:0 8px 48px color-mix(in srgb, var(--color-shadow) 26.67%, transparent);border-radius:8px;align-items:center;gap:28px;margin:auto;padding:24px 28px;display:flex;position:fixed;inset:auto 20px 20px;overflow:auto}.analytics-consent-copy{flex:1;min-width:0}.analytics-consent h2{margin:0 0 8px;font:700 20px/1.25 Manrope,Arial,sans-serif}.analytics-consent p{color:var(--color-text-secondary);margin:0;font-size:13px;line-height:1.65}.analytics-consent details{margin-top:8px;font-size:12px}.analytics-consent summary{cursor:pointer;width:fit-content;color:var(--color-text-primary);text-underline-offset:3px;text-decoration:underline}.analytics-consent details p{margin-top:10px}.analytics-consent a{color:var(--color-accent);text-decoration:underline}.analytics-consent-actions{flex-direction:column;flex:none;gap:10px;display:flex}.analytics-consent-actions button{border:1px solid var(--color-border-control);background:var(--color-page-background);min-width:165px;color:var(--color-text-primary);cursor:pointer;border-radius:5px;padding:11px 15px;font:600 13px/1.3 Manrope,Arial,sans-serif}.analytics-consent-actions button:hover{border-color:var(--color-accent)}.analytics-consent :is(button,summary):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}@media (width<=650px){.analytics-consent{flex-direction:column;align-items:stretch;gap:16px;width:calc(100% - 24px);padding:20px;inset:auto 12px 12px}.analytics-consent-actions{flex-direction:row}.analytics-consent-actions button{flex:1;min-width:0;padding:11px 7px}.analytics-consent details p{font-size:12px}}@media (width<=600px){.article h1{font-size:clamp(32px,10vw,44px);line-height:1}}.pricing-page{background:var(--color-page-background);min-height:100vh}.pricing-page .pricing-main{display:block}.pricing-page-title{text-transform:uppercase;color:var(--color-text-secondary);margin-bottom:40px;font:11px DM Mono}.pricing-section{color:var(--color-text-primary)}.pricing-heading{max-width:780px;margin-bottom:48px}.pricing-heading h2{margin:0 0 24px;font:700 clamp(36px,5vw,64px)/1.03 Manrope}.pricing-heading h2 em{color:var(--color-accent);font-style:normal}.pricing-heading>p:last-child{max-width:590px;color:var(--color-text-secondary);line-height:1.7}.pricing-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;display:grid}.pricing-card{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:12px;flex-direction:column;padding:30px;transition:transform .25s;animation:.35s both membership-enter;display:flex}.pricing-card:nth-child(2){animation-delay:60ms}.pricing-card:nth-child(3){animation-delay:.12s}.pricing-card:hover{transform:translateY(-2px)}.pricing-card-top{letter-spacing:.06em;justify-content:space-between;align-items:center;gap:8px;font:10px DM Mono;display:flex}.pricing-number{color:var(--color-text-secondary)}.plan-label{color:var(--color-accent)}.pricing-card h3{margin:28px 0 10px;font:700 36px Manrope}.pricing-tagline{min-height:42px;color:var(--color-text-secondary);margin:0;font-size:14px;line-height:1.5}.pricing-amount{align-items:baseline;gap:12px;margin:28px 0 24px;display:flex}.pricing-amount strong{letter-spacing:-3px;white-space:nowrap;font-size:52px;font-weight:700}.pricing-amount>span{color:var(--color-text-secondary);font-size:12px}.pricing-card ul{border-top:1px solid var(--color-border-subtle);gap:16px;margin:0 0 auto;padding:24px 0 30px;list-style:none;display:grid}.pricing-card li{gap:12px;font-size:13px;line-height:1.6;display:flex}.pricing-card li>span{color:var(--color-accent)}.plan-button,.membership-button{background:var(--color-action-background);color:var(--color-on-accent);cursor:pointer;text-align:left;border:0;border-radius:7px;justify-content:space-between;align-items:center;gap:16px;padding:15px 18px;font-size:13px;font-weight:600;line-height:1.5;display:inline-flex}.plan-button:disabled{opacity:.65;cursor:default}.pricing-footnotes{justify-content:space-between;align-items:flex-start;gap:32px;margin:28px 0;display:flex}.pricing-footnotes p{color:var(--color-text-secondary);max-width:720px;margin:0;font-size:12px;line-height:1.8}.membership-text-button{font:inherit;color:var(--color-accent);text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font-size:13px;line-height:1.7}.pricing-detail-link{color:var(--color-accent);margin-top:12px;font-size:14px;display:inline-block}.landing .pricing-home{color:var(--color-text-primary)}.free-lessons{border-top:1px solid var(--color-border-subtle);margin-top:64px;padding-top:48px}.free-lessons h2{font-size:32px}.free-lessons>div{grid-template-columns:1fr 1fr;gap:24px;display:grid}.free-lessons>div>a{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:8px;padding:28px}.free-lessons span{color:var(--color-accent);font:10px DM Mono}.free-lessons h3{font-size:22px}.free-lessons p{color:var(--color-text-secondary);font-size:14px;line-height:1.7}.free-lessons b,.free-lessons>p a{color:var(--color-accent)}.membership-gate{background:var(--color-surface);border:1px solid var(--color-border-subtle);border-radius:12px;margin:24px 0;padding:32px}.membership-gate h2{margin:8px 0 16px;font-size:30px}.membership-gate p{color:var(--color-text-secondary);font-size:15px;line-height:1.8}.membership-gate-actions{flex-wrap:wrap;gap:12px;margin-top:24px;display:flex}.membership-secondary{border:1px solid var(--color-border-control);color:var(--color-text-primary);cursor:pointer;background:0 0;border-radius:7px;padding:15px 18px}.membership-gate .membership-gate-footnote{margin:24px 0 0;font-size:12px}.membership-text-link{color:var(--color-accent);margin-top:24px;font-size:13px;display:block}.membership-notice{background:var(--color-accent-surface);color:var(--color-text-primary);border-radius:8px;margin:24px 0;padding:20px;font-size:14px;line-height:1.7}.membership-notice p{margin:0 0 12px}.membership-notice>a{color:var(--color-accent);margin-right:24px;display:inline-block}.account-area{position:relative}.app-nav .account-login{color:inherit;cursor:pointer;background:0 0;border:1px solid;border-radius:6px;padding:8px 12px;font:600 12px Manrope}.account-menu summary{cursor:pointer;border-radius:50%;list-style:none}.account-menu summary::-webkit-details-marker{display:none}.account-avatar{background:var(--color-accent-surface);width:34px;height:34px;color:var(--color-accent);border-radius:50%;place-items:center;font-size:14px;display:grid;overflow:hidden}.account-avatar img{object-fit:cover;width:100%;height:100%}.account-dropdown{border:1px solid var(--color-border-subtle);background:var(--color-surface);width:230px;color:var(--color-text-primary);box-shadow:0 12px 32px color-mix(in srgb, var(--color-shadow) 13.33%, transparent);z-index:20;border-radius:8px;gap:14px;padding:20px;font-size:13px;display:grid;position:absolute;top:46px;right:0}.account-dropdown>span{color:var(--color-text-secondary);font:11px DM Mono}.app-nav .account-dropdown button{color:var(--color-text-primary);text-align:left;cursor:pointer;background:0 0;border:0;padding:0;font:13px Manrope}.account-error{background:var(--color-surface);width:calc(100% - 40px);max-width:440px;color:var(--color-text-primary);border:1px solid var(--color-border-subtle);z-index:30;border-radius:8px;align-items:flex-start;gap:16px;padding:20px;font-size:13px;line-height:1.7;display:flex;position:fixed;top:84px;right:20px}.account-error p{margin:0}.app-nav .account-error button{color:var(--color-text-primary);cursor:pointer;background:0 0;border:0;font-size:20px}.demo-page{display:block}.demo-count{font:12px DM Mono;margin-top:24px!important}.demo-page .quiz-site-footer{display:flex}.membership-button:disabled{opacity:.6;cursor:wait}.membership-gate button:focus-visible,.plan-button:focus-visible,.account-menu summary:focus-visible,.account-login:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}@keyframes membership-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (width<=1100px){.app-nav{gap:16px}.app-brand small{display:none}.pricing-card{padding:24px}.pricing-footnotes{flex-direction:column;gap:20px}}@media (width<=760px){.pricing-grid,.free-lessons>div{grid-template-columns:1fr}.pricing-card{padding:28px}.pricing-tagline{min-height:0}.pricing-card h3{margin-top:24px}.pricing-amount{margin:20px 0}.pricing-heading h2{font-size:38px}.app-nav .app-pricing-link{font-size:12px;display:block}.app-nav{gap:12px}.app-search{display:none}.app-brand{font-size:16px}.app-nav .account-login{padding:7px 9px;font-size:11px}.membership-gate{padding:24px}.membership-gate h2{font-size:26px}.membership-gate-actions>*{width:100%}.pricing-footnotes{margin-bottom:8px}.pricing-page-title{margin-bottom:24px}}@media (prefers-reduced-motion:reduce){.pricing-card{transition:none;animation:none}}.nav-group a .lesson-access{color:var(--color-text-secondary);opacity:1;margin-top:4px;font:9px DM Mono;display:block}.nav-group a.active .lesson-access{color:inherit}.pricing-page .membership-notice{margin-bottom:32px}.quiz-intro+.membership-button{margin-top:32px}@media (width<=400px){.app-nav>a.is-active:not(.app-pricing-link){display:none}.app-nav .app-pricing-link{padding:7px 9px}.app-nav{gap:8px}}.landing .pricing-home{background:var(--color-page-background)}.app-search{flex:1;width:auto;min-width:140px;max-width:340px;margin:0 24px}@media (width<=1100px){.app-nav{gap:8px}}@media (width<=1050px){.app-search{flex:0 0 36px;min-width:36px;max-width:36px;margin:0 12px;padding:8px;font-size:0}.app-search kbd{display:none}}@media (width<=760px){.app-search{display:none}}@media (width<=600px){.app-nav>a.is-active:not(.app-pricing-link){display:none}}.quiz-options button.selected:not(.correct):not(.incorrect){border-color:var(--color-accent);background:var(--color-accent-surface)}.quiz-options button.correct{border-color:var(--color-success);background:color-mix(in srgb, var(--color-success) 12%, var(--color-surface))}.quiz-options button.incorrect{border-color:var(--color-error);background:color-mix(in srgb, var(--color-error) 12%, var(--color-surface))}.quiz-options button.correct b{background:var(--color-success-solid);color:var(--color-text-on-dark)}.quiz-options button.incorrect b{background:var(--color-error-solid);color:var(--color-text-on-dark)}.app-topbar-dark .app-brand b,.landing .site-footer-brand b{color:var(--color-accent-on-dark)}.app-topbar-dark :is(.app-brand,.app-nav>a,.account-login,.app-theme-toggle,.app-menu-toggle):focus-visible{outline:2px solid var(--color-accent-on-dark);outline-offset:4px}.documentation-hero,.tests-landing-hero{--color-accent:var(--color-accent-on-dark);--color-on-accent:var(--color-on-accent-on-dark)}:where(a,button,input,select,textarea,summary):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.search-input input::placeholder{color:var(--color-text-secondary);opacity:1}.hero-landing,.regulation-news-panel,.annotation-feature-surface,.section-hero,.regulation-hero,.regulation-study-cta,.tests-landing-hero,.evaluation-band,.closing,.quiz-score,.landing .site-wide-footer{--color-focus-ring:var(--color-accent-on-dark)}.app-topbar-dark .account-menu>summary:focus-visible{outline-color:var(--color-accent-on-dark)}.landing .site-footer-links button:hover{color:var(--color-accent-on-dark)}@media (width<=760px){.tests-landing-hero-image:after{background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 95%, transparent), color-mix(in srgb, var(--color-media-scrim) 70%, transparent))}}.tests-index .membership-notice{background:var(--color-notice-surface)}.membership-button:hover:not(:disabled),.annotation-primary:hover:not(:disabled){background:var(--color-action-hover);color:var(--color-on-accent)}:is(.markdown,.article-footer,.breadcrumbs) a{text-underline-offset:3px;text-decoration:underline}.app-nav>a,.app-theme-toggle,.app-menu-toggle,.account-login,.app-search,.membership-secondary,.tests-index-actions a{transition:color .18s,background .18s,border-color .18s}:not(.app-topbar-dark)>.app-topbar-inner .app-nav>a:not(.is-active):hover,.membership-secondary:hover:not(:disabled){background:var(--color-accent-surface);border-color:var(--color-accent);color:var(--color-accent)}:is(.account-error,.annotation-error,.membership-notice)[role=alert]{background:var(--color-error-surface);color:var(--color-text-primary);border:1px solid var(--color-error)}.annotation-dialog-actions .annotation-danger{background:var(--color-error-solid);color:var(--color-on-status);border-color:var(--color-error-solid)}.annotation-dialog-actions .annotation-danger:hover:not(:disabled){background:var(--color-error-solid-hover);border-color:var(--color-error-solid-hover)}.lesson-review-status{color:var(--color-text-secondary);text-wrap:pretty;margin:-12px 0 28px;font-size:12px;line-height:1.6}:root{--hero-heading-size-max:75px;--hero-heading-font:800 clamp(44px, 6.3vw, var(--hero-heading-size-max))/1.02 Manrope, sans-serif;--site-layout-width:1120px;--site-layout-gutter:32px;--site-topbar-height:72px;--site-section-space:100px;--site-footer-space:28px}.site-layout{width:min(var(--site-layout-width), calc(100% - 2 * var(--site-layout-gutter)));min-width:0;margin-inline:auto}.site-section{padding-block:var(--site-section-space)}section.site-section{padding-block:calc(var(--site-section-space) / 2)}html{scroll-padding-top:calc(var(--site-topbar-height) + 16px)}.sidebar,.test-sidebar{top:var(--site-topbar-height);height:calc(100vh - var(--site-topbar-height));height:calc(100dvh - var(--site-topbar-height))}.app-topbar-inner{min-height:inherit;justify-content:space-between;align-items:center;gap:16px;display:flex}.site-wide-footer{width:100%;display:block}.site-footer-inner{padding-block:var(--site-footer-space);flex-wrap:wrap;justify-content:flex-start;align-items:flex-start;gap:8px;display:flex}.site-footer-navigation{flex-direction:column;align-items:flex-start;gap:12px;width:100%;display:flex}.site-footer-primary{flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:4px 24px;width:100%;display:flex}.site-footer-primary a{min-height:28px;color:var(--color-text-primary);align-items:center;margin:0;font:600 13px/1.5 Manrope,sans-serif;display:inline-flex}.site-footer-primary a:hover{color:var(--color-accent)}.site-footer-primary a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px;border-radius:2px}.landing .site-footer-primary a{color:var(--color-text-on-dark)}.landing .site-footer-primary a:hover{color:var(--color-accent-on-dark)}.site-footer-inner .site-footer-links{white-space:normal;border-top:1px solid var(--color-border-subtle);flex-wrap:wrap;justify-content:flex-start;align-items:center;gap:4px 24px;width:100%;padding-top:8px}.site-footer-inner .site-footer-links :is(a,button){text-align:left;overflow-wrap:anywhere;text-wrap:pretty;align-items:center;max-width:100%;min-height:28px;line-height:1.6;display:inline-flex!important}.site-footer-inner .site-footer-links a:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px;border-radius:2px}@media (width<=600px){.site-footer-primary,.site-footer-inner .site-footer-links{grid-template-columns:minmax(0,1fr);align-items:start;gap:0;display:grid}.site-footer-inner,.site-footer-navigation{gap:12px}.site-footer-inner .site-footer-links{padding-top:12px}.site-footer-primary a,.site-footer-inner .site-footer-links :is(a,button){width:fit-content;font-size:13px}}.evaluation-band-inner{justify-content:space-between;align-items:end;gap:40px;display:flex}.site,.quiz-page{grid-template-rows:auto 1fr auto}.lesson-main{grid-column:2}.quiz-heading-row>div:first-child{min-width:0}.progress-reset{margin-bottom:var(--site-section-space)}.hero-index{right:max(var(--site-layout-gutter), calc((100% - var(--site-layout-width)) / 2))}@container (width<=640px){.quiz-heading-row{display:block}.section-score{min-width:0;max-width:240px;margin-top:28px}}@media (width<=760px){:root{--site-layout-gutter:20px;--site-section-space:64px;--site-footer-space:24px}.app-topbar-inner{gap:12px}.evaluation-band-inner{display:block}}.landing .hero-landing{min-height:620px;position:relative;overflow:hidden}.landing .hero-image{background:var(--color-surface-on-dark);position:absolute;inset:0}.landing .hero-image img{object-fit:cover;width:100%;height:100%;animation:1.6s cubic-bezier(.2,.7,.2,1) both home-photo-settle;display:block}.landing .hero-image:after{content:"";background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 95%, transparent), color-mix(in srgb, var(--color-media-scrim) 79%, transparent) 38%, color-mix(in srgb, var(--color-media-scrim) 65%, transparent) 80%, color-mix(in srgb, var(--color-media-scrim) 55%, transparent)), linear-gradient(0deg, color-mix(in srgb, var(--color-media-scrim) 65.88%, transparent), transparent 40%);position:absolute;inset:0}.landing .hero-copy{z-index:1;flex-direction:column;justify-content:center;align-items:flex-start;min-height:620px;padding-block:64px;display:flex;position:relative}.landing .landing-label{letter-spacing:.16em;color:var(--color-text-secondary-on-dark);margin:0 0 16px;font:10px/1.65 DM Mono,monospace}.landing .landing-label i{background:currentColor;border-radius:50%;width:6px;height:6px;margin-right:10px;display:inline-block}.landing .hero-copy h1{max-width:960px;color:var(--color-text-on-dark);font:var(--hero-heading-font);text-wrap:balance;margin:0}.landing .hero-copy h1 span{color:var(--color-accent-on-dark)}.landing .hero-description{max-width:540px;color:var(--color-text-on-dark);margin:28px 0 26px;font-size:17px;line-height:1.65}.landing .hero-footnote{max-width:580px;color:var(--color-text-secondary-on-dark);letter-spacing:.12em;margin:28px 0 0;font:9px/1.8 DM Mono,monospace}.landing .hero-actions .button-primary,.landing .evaluation-band .button-primary{background:var(--color-accent-on-dark);color:var(--color-on-accent-on-dark)}.landing .hero-copy>*{animation:.65s both home-copy-enter}.landing .hero-copy h1{animation-delay:60ms}.landing .hero-description{animation-delay:.12s}.landing .hero-actions{flex-wrap:wrap;align-items:center;gap:16px 24px;animation-delay:.18s;display:flex}.landing .hero-study-link{min-height:44px;color:var(--color-text-on-dark);text-underline-offset:5px;align-items:center;gap:12px;font-size:14px;text-decoration:underline;display:inline-flex}.landing .hero-study-link:focus-visible{outline:2px solid var(--color-accent-on-dark);outline-offset:4px}.landing .hero-footnote{animation-delay:.24s}.landing .hero-index{z-index:1;color:var(--color-text-secondary-on-dark);letter-spacing:.14em;align-items:center;gap:12px;font:9px DM Mono,monospace;display:flex;position:absolute;bottom:30px}.landing .hero-index i{background:color-mix(in srgb, var(--color-shadow) 43.92%, transparent);width:48px;height:1px}.study-assistant{background:var(--color-page-background);color:var(--color-text-primary)}.study-assistant-panel{border:1px solid var(--color-border-subtle);background:var(--color-surface);border-radius:16px;padding:clamp(20px,4vw,44px)}.study-assistant-panel>header{margin-bottom:clamp(22px,3vw,32px)}.study-assistant .landing-label{color:var(--color-accent);margin:0 0 12px}.study-assistant h2{margin:0;font:700 clamp(24px,3vw,34px)/1.18 Manrope,sans-serif}.study-assistant-controls{gap:12px;display:flex}.study-assistant-controls input{border:1px solid var(--color-border-control);background:var(--color-page-background);min-width:0;min-height:52px;color:var(--color-text-primary);border-radius:8px;flex:1;padding:12px 16px;font:16px/1.4 DM Sans,sans-serif}.study-assistant-controls input::placeholder{color:var(--color-text-secondary)}.study-assistant-controls .button-primary{cursor:pointer;border:0;flex:none;min-height:52px}.study-assistant-controls .button-primary:disabled{opacity:.65;cursor:default;transform:none}.study-assistant-controls input:focus{outline:none}.landing .study-assistant-controls .button-primary:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}.study-assistant-scope{color:var(--color-text-secondary);margin:12px 0 0;font-size:14px;line-height:1.55}.study-assistant-answer{border-left:2px solid var(--color-accent);background:var(--color-page-background);max-inline-size:46rem;margin-top:clamp(22px,3vw,32px);padding:clamp(16px,3vw,28px);line-height:1.75}.study-assistant-answer p{white-space:pre-line;overflow-wrap:anywhere;text-wrap:pretty;max-inline-size:74ch;margin:0}.study-assistant-answer ul{overflow-wrap:anywhere;flex-wrap:wrap;gap:10px 24px;margin:20px 0 0;padding:0;font-size:14px;line-height:1.55;list-style:none;display:flex}.study-assistant-answer a{color:var(--color-accent);text-underline-offset:3px;text-decoration:underline}.study-assistant-loading{color:var(--color-text-secondary);align-items:center;gap:12px;display:flex}.study-assistant-spinner{border:2px solid var(--color-border-control);border-top-color:var(--color-accent);border-radius:50%;flex:none;block-size:20px;inline-size:20px}@media (prefers-reduced-motion:no-preference){.study-assistant-spinner{animation:.8s linear infinite study-assistant-spin}}@keyframes study-assistant-spin{to{transform:rotate(360deg)}}.study-assistant-error{color:var(--color-text-secondary);margin:12px 0 0}.study-assistant-limit{border:1px solid var(--color-border-subtle);background:var(--color-page-background);border-radius:8px;margin-top:clamp(22px,3vw,32px);padding:clamp(16px,3vw,24px)}.study-assistant-limit p{margin:0 0 8px;line-height:1.6}.study-assistant-limit p:first-child{font-weight:700}.study-assistant-limit p:last-child{margin-bottom:0}.study-assistant-limit a,.study-assistant-dialog-login{color:var(--color-accent);text-underline-offset:4px;font-weight:700;text-decoration:underline}.study-assistant-dialog{box-sizing:border-box;border:1px solid var(--color-border-control);background:var(--color-surface);width:min(460px,100% - 32px);max-height:calc(100dvh - 32px);color:var(--color-text-primary);border-radius:16px;padding:clamp(20px,5vw,32px)}.study-assistant-dialog::backdrop{background:color-mix(in srgb, var(--color-shadow) 60%, transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.study-assistant-dialog header{justify-content:space-between;align-items:center;gap:8px;display:flex}.study-assistant-dialog h2{text-wrap:balance;font-size:clamp(22px,5vw,28px)}.study-assistant-dialog p{color:var(--color-text-secondary);margin:10px 0 22px;line-height:1.55}.study-assistant-dialog-close{min-height:44px;color:var(--color-text-secondary);cursor:pointer;background:0 0;border:0;border-radius:6px;flex:0 0 44px;font:26px/1 Manrope,sans-serif}.study-assistant-dialog-close:hover{background:var(--color-page-background);color:var(--color-text-primary)}.study-assistant-dialog-actions{flex-wrap:wrap;align-items:center;gap:8px 18px;display:flex}.study-assistant-dialog-login{align-items:center;min-height:44px;display:inline-flex}.study-assistant :is(dialog,.study-assistant-limit) :is(a,button):focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:3px}@media (width<=480px){.study-assistant-controls{flex-direction:column}.study-assistant-controls .button-primary{justify-content:center}}.landing .landing-documentation{--home-paper:var(--color-surface);--home-ink:var(--color-text-primary);--home-muted:var(--color-text-secondary);--home-line:var(--color-border-subtle);--home-accent:var(--color-accent);color:var(--home-ink);background:var(--color-page-background);position:relative}.landing.landing-dark .landing-documentation{--home-paper:var(--color-surface);--home-ink:var(--color-text-primary);--home-muted:var(--color-text-secondary);--home-line:var(--color-border-subtle);--home-accent:var(--color-accent);background:var(--color-page-background)}.landing .landing-documentation>.site-layout{position:relative}.landing .landing-documentation .landing-label{color:var(--home-accent)}.landing .landing-documentation h2{max-width:780px;margin:0;font:700 clamp(40px,5.5vw,72px)/1.03 Manrope,sans-serif}.landing .landing-documentation h2 span{color:var(--home-accent)}.landing .platform-lead{max-width:640px;color:var(--home-muted);margin:24px 0 0;font-size:16px;line-height:1.7}.landing .platform-lead a{color:var(--home-accent);text-underline-offset:3px;text-decoration:underline}.landing .platform-lead a:focus-visible{outline:2px solid var(--home-accent);outline-offset:4px}.curriculum-main,.curriculum-complements{border-top:1px solid var(--color-border-subtle);margin-top:40px;padding-top:24px}.curriculum-main>h3,.curriculum-complements>h3{color:var(--color-text-primary);text-wrap:pretty;margin:0;font:700 24px/1.3 Manrope,sans-serif}.curriculum-main .illustrated-card-grid,.curriculum-complements .illustrated-card-grid{margin-top:24px}.curriculum-complements .illustrated-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.curriculum-complements .illustrated-card:nth-child(n){grid-column:auto}@media (width<=760px){.curriculum-complements .illustrated-card-grid{grid-template-columns:minmax(0,1fr)}}.landing .landing-section-card.is-extra{display:none}.landing .landing-section-grid.is-expanded .landing-section-card.is-extra{animation:.45s both home-card-enter;display:flex}.landing .show-more{border:1px solid var(--home-accent);color:var(--home-accent);cursor:pointer;background:0 0;border-radius:999px;margin:32px auto 0;padding:12px 24px;font:600 12px DM Sans,sans-serif;transition:background .25s;display:block}.landing .show-more b{margin-left:12px;font-weight:400}.landing .show-more:focus-visible{outline:2px solid var(--home-accent);outline-offset:4px}.landing .evaluation-band{background:linear-gradient(120deg, var(--color-surface-on-dark), var(--color-surface-on-dark));color:var(--color-text-on-dark)}.landing .evaluation-band h2{color:var(--color-text-on-dark);margin:0;font:700 clamp(38px,4.5vw,64px)/1.06 Manrope,sans-serif}.landing .evaluation-band h2 span,.landing .evaluation-band .landing-label{color:var(--color-accent-on-dark)}.landing .evaluation-band-inner>div>p:last-child{max-width:560px;color:var(--color-text-secondary-on-dark);margin:24px 0 0;font-size:16px;line-height:1.7}.landing .evaluation-band .button-primary{flex:none}.home-mock-exams{color:var(--color-text-primary);background:var(--color-page-background)}.home-mock-exams .landing-label{color:var(--color-accent)}.home-mock-exams h2{text-wrap:pretty;margin:0;font:700 clamp(34px,4.5vw,58px)/1.08 Manrope,sans-serif}.home-mock-exams-lead{max-width:640px;color:var(--color-text-secondary);margin:24px 0 0;font-size:16px;line-height:1.7}.home-mock-exams .illustrated-card-grid{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:28px}.home-mock-exams .illustrated-card:nth-child(n){grid-column:auto;min-height:320px}.landing .button-primary:focus-visible{outline:2px solid var(--color-accent-on-dark);outline-offset:4px}@media (hover:hover){.landing .show-more:hover{background:var(--home-paper)}}@media (width<=1100px){.landing .hero-image:after{background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 95%, transparent), color-mix(in srgb, var(--color-media-scrim) 70%, transparent)), linear-gradient(0deg, color-mix(in srgb, var(--color-media-scrim) 66%, transparent), transparent 50%)}}@media (width<=760px){.landing .hero-landing{min-height:620px}.landing .hero-image img{object-position:62% center}.landing .hero-description{margin:24px 0;font-size:16px}.landing .hero-index{font-size:8px;bottom:22px}.landing .landing-documentation h2{font-size:clamp(34px,9.5vw,48px)}.landing .evaluation-band .button-primary{margin-top:28px}.home-mock-exams .illustrated-card-grid{grid-template-columns:minmax(0,1fr)}}@keyframes home-photo-settle{0%{transform:scale(1.055)}to{transform:scale(1)}}@keyframes home-copy-enter{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes home-card-enter{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.landing .hero-image img,.landing .hero-copy>*,.landing .landing-section-grid.is-expanded .landing-section-card.is-extra{animation:none}.landing .show-more{transition:none}}@media (hover:hover){.landing .hero-actions .button-primary:hover,.landing .evaluation-band .button-primary:hover{background:var(--color-accent-on-dark-hover)}}.illustrated-card-grid{--illustrated-paper:var(--color-surface);--illustrated-ink:var(--color-text-primary);--illustrated-muted:var(--color-text-secondary);--illustrated-line:var(--color-border-subtle);--illustrated-accent:var(--color-accent);grid-template-columns:repeat(12,minmax(0,1fr));gap:20px;margin:48px 0 0;display:grid}.landing-dark .illustrated-card-grid{--illustrated-paper:var(--color-surface);--illustrated-ink:var(--color-text-primary);--illustrated-muted:var(--color-text-secondary);--illustrated-line:var(--color-border-subtle);--illustrated-accent:var(--color-accent)}.illustrated-card{--card-ink:var(--illustrated-ink);--card-muted:var(--illustrated-muted);--card-line:var(--color-card-divider);--card-accent:var(--illustrated-accent);border:1px solid var(--color-border-control);background:var(--illustrated-paper);min-width:0;min-height:310px;color:var(--card-ink);box-shadow:0 6px 18px color-mix(in srgb, var(--color-shadow) 1.96%, transparent);border-radius:12px;flex-direction:column;grid-column:span 4;padding:24px;transition:transform .3s,border-color .3s,box-shadow .3s;display:flex;container-type:inline-size}.illustrated-card:first-child{--card-ink:var(--card-featured-foreground);--card-muted:var(--card-featured-foreground);--card-line:var(--color-card-divider);--card-accent:var(--card-featured-foreground);background:var(--card-featured-background);border-color:var(--color-card-divider);grid-column:span 5}.illustrated-card:nth-child(2){grid-column:span 4}.illustrated-card:nth-child(3),.illustrated-card:nth-child(4),.illustrated-card:nth-child(10){grid-column:span 3}.illustrated-card:nth-child(5),.illustrated-card:nth-child(11){grid-column:span 4}.illustrated-card:nth-child(6),.illustrated-card:nth-child(12){grid-column:span 5}.illustrated-card-meta{color:var(--card-muted);letter-spacing:.08em;justify-content:space-between;gap:8px;font:9px/1.5 DM Mono,monospace;display:flex}.illustrated-card-number{color:var(--card-accent)}.illustrated-card-identity{justify-content:space-between;align-items:center;gap:12px;min-height:96px;margin:12px 0 14px;display:flex}.illustrated-card h3{min-width:0;color:var(--card-ink);text-wrap:pretty;margin:0;font:700 clamp(20px,7cqw,27px)/1.2 Manrope,sans-serif}.illustrated-card-art{aspect-ratio:1;object-fit:contain;width:clamp(64px,26cqw,108px);height:auto;filter:grayscale(1) drop-shadow(0 3px 2px color-mix(in srgb, var(--color-shadow) 9.41%, transparent));flex:none;transition:filter .35s,transform .35s cubic-bezier(.2,.7,.2,1);display:block}.illustrated-card-art--compact{width:clamp(54px,22cqw,92px)}.illustrated-card-art--radio{width:clamp(45px,18cqw,75px)}.illustrated-card-art--weather{width:clamp(48px,18cqw,76px)}.illustrated-card p{color:var(--card-muted);margin:0 0 24px;font-size:13px;line-height:1.65}.illustrated-card .documentation-access{color:var(--card-muted);margin:0 0 18px;font:10px/1.6 DM Mono,monospace}.illustrated-card .card-cta{border:0;border-top:1px solid var(--card-line);width:100%;color:var(--card-accent);background:0 0;border-radius:0;justify-content:space-between;align-self:stretch;align-items:center;gap:16px;margin-top:auto;padding:14px 0 0;font-size:12px;font-weight:600;display:flex}.illustrated-card .card-cta svg{flex:none;width:14px;height:14px;transition:transform .3s}.illustrated-card:focus-visible{outline:2px solid var(--color-focus-ring);outline-offset:4px}.illustrated-card.is-disabled{opacity:.7}.illustrated-card .test-card-progress{border-top:1px solid var(--card-line);align-items:center;gap:14px;min-height:68px;margin:auto 0 18px;padding-top:16px;display:flex}.illustrated-card .test-card-progress strong{min-width:56px;color:var(--card-ink);letter-spacing:-.06em;flex:none;font-size:28px;font-weight:800;line-height:1}.illustrated-card .test-card-progress span{min-width:0;display:block}.illustrated-card .test-card-progress b,.illustrated-card .test-card-progress small{margin:0;font-size:11px;line-height:1.4;display:block}.illustrated-card .test-card-progress b{color:var(--card-ink);font-weight:700}.illustrated-card .test-card-progress small{color:var(--card-muted);margin-top:3px}.illustrated-card .test-card-progress.is-on-track strong,.illustrated-card .test-card-progress.is-on-track b{color:var(--color-success)}.illustrated-card .test-card-progress.needs-review strong,.illustrated-card .test-card-progress.needs-review b{color:var(--color-error)}.landing-dark .illustrated-card .test-card-progress.is-on-track strong,.landing-dark .illustrated-card .test-card-progress.is-on-track b,.illustrated-card:first-child .test-card-progress.is-on-track strong,.illustrated-card:first-child .test-card-progress.is-on-track b{color:var(--color-success)}.landing-dark .illustrated-card .test-card-progress.needs-review strong,.landing-dark .illustrated-card .test-card-progress.needs-review b,.illustrated-card:first-child .test-card-progress.needs-review strong,.illustrated-card:first-child .test-card-progress.needs-review b{color:var(--color-error)}.illustrated-card--assessment.has-progress .card-cta{margin-top:0}.illustrated-card:first-child:not(.assessment-passed):not(.assessment-needs-review) .test-card-progress :is(strong,b){color:var(--card-featured-foreground)}@media (hover:hover){a.illustrated-card:hover{border-color:var(--card-accent);box-shadow:0 12px 24px color-mix(in srgb, var(--color-shadow) 7.06%, transparent);transform:translateY(-3px)}a.illustrated-card:hover .illustrated-card-art{filter:grayscale(0) drop-shadow(0 3px 2px color-mix(in srgb, var(--color-shadow) 9.41%, transparent));transform:translate(-2px,-3px)rotate(-2deg)}a.illustrated-card:hover .card-cta svg{transform:translate(2px,-2px)}}@media (width<=1199px){.illustrated-card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.illustrated-card:nth-child(n){grid-column:auto}.tests-section-grid .illustrated-card:last-child:nth-child(odd){grid-column:1/-1}}@media (width<=760px){.illustrated-card-grid{grid-template-columns:minmax(0,1fr);gap:16px;margin-top:36px}.illustrated-card{min-height:280px}.illustrated-card-identity{min-height:88px}.tests-section-grid .illustrated-card:last-child:nth-child(odd){grid-column:auto}}@media (prefers-reduced-motion:reduce){.illustrated-card,.illustrated-card-art,.illustrated-card .card-cta svg{transition:none}a.illustrated-card:hover,a.illustrated-card:hover .illustrated-card-art,a.illustrated-card:hover .card-cta svg{transform:none}}.lesson-main{container-type:inline-size}.section-hero{isolation:isolate;background:var(--color-surface-on-dark);min-width:0;min-height:360px;color:var(--color-text-on-dark);border-radius:16px;margin-bottom:40px;position:relative;overflow:hidden}.section-hero-media{z-index:-1;position:absolute;inset:0}.section-hero-media img{object-fit:cover;object-position:65% center;width:100%;height:100%;display:block}.section-hero-media:after{content:"";background:linear-gradient(90deg, color-mix(in srgb, var(--color-media-scrim) 96.08%, transparent), color-mix(in srgb, var(--color-media-scrim) 87.84%, transparent) 35%, color-mix(in srgb, var(--color-media-scrim) 50.2%, transparent) 65%, color-mix(in srgb, var(--color-media-scrim) 3.92%, transparent)), linear-gradient(0deg, color-mix(in srgb, var(--color-media-scrim) 37.65%, transparent), transparent 60%);position:absolute;inset:0}.section-hero-copy{max-width:min(72%,680px);padding:40px;position:relative}.section-hero-label{color:var(--color-text-secondary-on-dark);letter-spacing:.12em;margin:0 0 22px;font:9px/1.8 DM Mono,monospace}.section-hero #section-hero-heading{color:var(--color-text-on-dark);max-width:560px;font:var(--hero-heading-font);font-size:clamp(36px, 4.5cqw, var(--hero-heading-size-max));text-wrap:balance;overflow-wrap:break-word;margin:0}.section-hero-description{max-width:460px;color:var(--color-text-on-dark);margin:22px 0 24px;font-size:15px;line-height:1.7}.section-hero-action{background:var(--color-accent-on-dark);max-width:100%;color:var(--color-on-accent-on-dark);border-radius:999px;justify-content:space-between;align-items:center;gap:24px;padding:12px 18px;font-size:12px;font-weight:700;transition:background .25s,transform .25s;display:inline-flex}.section-hero-action span{flex:none;font-size:16px}.section-hero-action:focus-visible{outline:2px solid var(--color-accent-on-dark);outline-offset:5px}.section-hero-meta{color:var(--color-text-secondary-on-dark);letter-spacing:.1em;margin:24px 0 0;font:8px/1.8 DM Mono,monospace}.section-hero-with-aside{grid-template-columns:minmax(0,1fr) minmax(0,280px);align-items:end;column-gap:24px;display:grid}.section-hero-with-aside .section-hero-copy{min-width:0;max-width:680px}.section-hero-aside{min-width:0;margin:0 40px 40px 0}.section-hero-aside .section-score{background:color-mix(in srgb, var(--color-surface-raised-on-dark) 94%, transparent);width:100%;min-width:0;max-width:none;color:var(--color-text-on-dark);border-color:var(--color-border-on-dark);-webkit-backdrop-filter:blur(12px);margin:0}.section-hero-aside .section-score span{color:var(--color-accent-on-dark)}.section-hero-aside .section-score small{color:var(--color-text-secondary-on-dark)}.quiz-section-summary{max-width:none;margin-bottom:36px}.quiz-section-summary .quiz-heading-row{align-items:center}.quiz-section-summary .quiz-heading-row>p{max-width:480px;color:var(--color-text-secondary);margin:0;font-size:15px;line-height:1.7}.quiz-section-summary .section-score{background:var(--color-surface);border-radius:12px;width:fit-content;margin-inline-start:auto}.quiz-section-summary .quiz-progress{margin-top:24px}.quiz-section-summary .quiz-progress>span{color:var(--color-text-secondary)}@media (hover:hover){.section-hero-action:hover{background:var(--color-accent-on-dark-hover);transform:translateY(-2px)}}@container (width<=800px){.section-hero-with-aside{grid-template-columns:minmax(0,1fr)}.section-hero-aside{justify-self:end;width:min(280px,100% - 80px)}}@container (width<=640px){.section-hero{min-height:0}.section-hero-media{height:190px;bottom:auto}.section-hero-media img{object-position:75% center}.section-hero-media:after{background:linear-gradient(0deg, var(--color-surface-on-dark), color-mix(in srgb, var(--color-media-scrim) 0.0%, transparent) 85%)}.section-hero-copy{max-width:100%;padding:150px 24px 28px}.section-hero-label{margin-bottom:16px}.section-hero #section-hero-heading{font-size:clamp(29px,6.5cqw,40px)}.section-hero-description{margin:18px 0 22px;font-size:14px}.section-hero-meta{margin-top:20px}.section-hero-aside{width:calc(100% - 48px);max-width:none;margin:0 24px 28px}.quiz-section-summary .section-score{max-width:100%}}@media (prefers-reduced-motion:reduce){.section-hero-action{transition:none}.section-hero-action:hover{transform:none}}