/* A flat site surface with a transparent PNG and independent SVG connections. */
.cognition-hero{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;padding:32px 0 64px;min-height:640px}
.cognition-copy{min-width:0;position:relative;z-index:2}.hero-copy-window{display:grid;max-width:680px}.hero-copy-slide{grid-area:1/1;opacity:0;visibility:hidden;pointer-events:none;transition:opacity .7s cubic-bezier(.33,1,.68,1),visibility .7s}.hero-copy-slide.is-current{opacity:1;visibility:visible;pointer-events:auto}.hero-copy-slide h2{font-size:60px;line-height:1;letter-spacing:-.045em;max-width:680px;margin:24px 0 32px;color:transparent;background:linear-gradient(90deg,#000000,#666666);background-clip:text;-webkit-background-clip:text}.hero-copy-slide .lede{font-size:18px;line-height:28px;max-width:680px;margin:0;min-height:84px}.cognition-copy .hero-actions{margin-top:24px}.cognition-copy .online-proof{gap:16px;margin-top:24px;font-size:12px;line-height:20px}
[data-theme=dark] .hero-copy-slide h2{background-image:linear-gradient(90deg,#ffffff,#9b9b9b)}
.hero-story-controls{display:flex;align-items:center;gap:24px;margin-top:32px}.hero-slide-dots{display:flex;gap:0}.hero-slide-dot{width:32px;height:32px;min-height:32px;padding:8px;border:0;border-radius:50%;background:transparent}.hero-slide-dot>span{width:8px;height:8px;border:1px solid var(--line2);border-radius:50%;background:transparent;transition:background-color .3s cubic-bezier(.22,1,.36,1),border-color .3s cubic-bezier(.22,1,.36,1)}.hero-slide-dot.is-current>span{background:var(--accent);border-color:var(--accent)}.hero-slide-dot:hover{background:var(--tint)}.hero-motion-toggle{background:transparent;border:0;min-height:32px;padding:4px 8px;font-size:12px;line-height:20px;color:var(--muted);font-weight:500}.hero-motion-toggle svg{width:16px;height:16px}.hero-motion-toggle:hover{background:var(--tint);color:var(--ink)}
.cognition-visual{min-width:0;margin:0;--network-quiet:#b7c5e5;--network-line:#5276d9;--network-glow:#91b9ff;--network-node:#f9faff;--network-stroke:#cfdaef;--network-icon:#365ac1;--network-boundary:#b3c1e2}.cognition-stage{position:relative;width:100%;aspect-ratio:720/660;overflow:hidden;isolation:isolate;border-radius:24px}.cognition-network,.cognition-front{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.cognition-network{z-index:1}.cognition-front{z-index:3}.cognition-brain{position:absolute;left:16%;top:10%;width:68%;height:auto;z-index:2;object-fit:contain;opacity:0;transform:translateY(10px);filter:blur(14px) saturate(.6);transition:opacity .8s cubic-bezier(.33,1,.68,1) .2s,filter .8s cubic-bezier(.33,1,.68,1) .2s,transform 1.05s cubic-bezier(.16,1,.3,1) .2s}.is-entered.is-ready .cognition-brain{opacity:1;transform:translateY(0);filter:blur(0) saturate(1)}
.cognition-boundaries{opacity:0;transition:opacity .8s cubic-bezier(.33,1,.68,1) .15s}.is-entered .cognition-boundaries{opacity:1}.cognition-boundaries ellipse{stroke:var(--network-boundary);stroke-width:1;fill:none}.cognition-boundary-inner{stroke-dasharray:3 9;opacity:.55}.cognition-boundary-outer{stroke-dasharray:2 12;opacity:.4}.cognition-boundaries .cognition-boundary-live{stroke:var(--network-line);stroke-width:1.5}.cognition-boundaries [data-boundary-wave]{transform-origin:360px 336px;opacity:0}
.knowledge-link{opacity:0;transition:opacity .8s cubic-bezier(.33,1,.68,1) var(--enter-delay)}.is-entered .knowledge-link{opacity:1}.knowledge-track{stroke:var(--network-quiet);stroke-width:1.5}.knowledge-light{stroke:var(--network-line);stroke-width:2.5;opacity:.08}.knowledge-pulse{opacity:0;will-change:transform,opacity}.pulse-halo{fill:var(--network-glow);opacity:.3;filter:url(#cognition-glow)}.pulse-core{fill:var(--network-line)}.knowledge-node-appear{opacity:0;transform:translateY(10px);transition:transform 1.05s cubic-bezier(.16,1,.3,1) var(--enter-delay),opacity .8s cubic-bezier(.33,1,.68,1) var(--enter-delay)}.is-entered .knowledge-node-appear{opacity:1;transform:translateY(0)}.knowledge-node-surface{fill:var(--network-node);stroke:var(--network-stroke);stroke-width:1.5}.knowledge-node-active{fill:var(--network-glow);stroke:var(--network-line);stroke-width:2;opacity:.08}.knowledge-icon{stroke:var(--network-icon);stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}
.brain-connections{opacity:0;transition:opacity .8s cubic-bezier(.33,1,.68,1) 1.4s}.is-entered .brain-connections{opacity:1}.brain-connections path{stroke:#628ded;stroke-width:1.5;opacity:.08}.brain-center{fill:#f2bc69}.brain-center-halo{fill:#f0c076;opacity:.1;filter:url(#cognition-glow)}.knowledge-label{position:absolute;z-index:4;transform:translateX(-50%);font-size:12px;line-height:16px;font-weight:500;color:var(--muted);pointer-events:none;opacity:0;transition:opacity .8s cubic-bezier(.33,1,.68,1) 1.1s}.is-entered .knowledge-label{opacity:1}.cognition-caption{position:absolute;bottom:0;left:0;right:0;z-index:4;display:grid;justify-items:center;gap:8px;padding:16px;opacity:0;transition:opacity .8s cubic-bezier(.33,1,.68,1) 1.5s}.cognition-caption>span{font-size:12px;line-height:16px;letter-spacing:.12em;color:var(--accent)}.cognition-caption>b{font-size:14px;line-height:20px;font-weight:500;color:var(--muted)}
[data-theme=dark] .cognition-visual{--network-quiet:#394766;--network-line:#a8c4ff;--network-glow:#799eff;--network-node:#1f1f1f;--network-stroke:#3b4661;--network-icon:#bdccff;--network-boundary:#536184}.cognition-stage.is-static *{transition:none!important}.is-static .cognition-brain{opacity:1;transform:none;filter:none}
/* Search uses its own three-column component, never the four-column course row. */
#search-results .search-result{display:grid;grid-template-columns:32px minmax(0,1fr) 24px;align-items:center;gap:16px;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--card);text-decoration:none;margin-top:8px;min-width:0}#search-results .search-result:hover{background:var(--tint);border-color:var(--line2)}.search-result-number{font-size:12px;line-height:16px;color:var(--muted)}.search-result-copy{min-width:0;text-align:left}.search-result-copy b{display:block;font-size:16px;line-height:24px;color:var(--ink);font-weight:600;overflow-wrap:anywhere}.search-result-copy small{display:block;margin-top:4px;font-size:12px;line-height:20px;color:var(--muted);overflow-wrap:anywhere}.search-result-arrow{font-size:16px;color:var(--muted);justify-self:end}#search-results>.notice{margin-bottom:12px}#search-dialog{overscroll-behavior:contain}#search-results{scrollbar-gutter:stable}
.subject-actions>a.button-link.primary,.hero-actions>a.button-link.primary{color:var(--accent-ink)}.subject-actions>a.button-link.primary:hover,.subject-actions>a.button-link.primary:focus-visible,.hero-actions>a.button-link.primary:hover,.hero-actions>a.button-link.primary:focus-visible{color:var(--accent-ink)}
@media(max-width:1100px){.cognition-hero{gap:24px;min-height:560px}.hero-copy-slide h2{font-size:48px;line-height:1}.hero-copy-slide .lede{font-size:16px;line-height:24px;min-height:72px}.cognition-copy .online-proof{gap:12px}.hero-story-controls{gap:16px}}
@media(max-width:767px){.cognition-hero{grid-template-columns:minmax(0,1fr);gap:24px;padding:16px 0 48px;min-height:0}.hero-copy-slide h2{font-size:36px;line-height:40px;margin:24px 0}.hero-copy-slide .lede{font-size:16px;line-height:24px;min-height:72px}.hero-story-controls{margin-top:24px;justify-content:space-between}.cognition-copy .online-proof{gap:12px;font-size:12px;line-height:20px}.cognition-visual{width:100%;max-width:560px;justify-self:center}.cognition-stage{border-radius:16px}.cognition-caption{padding:8px;gap:4px}.cognition-caption>b{font-size:12px;line-height:16px}.knowledge-label{font-size:12px;line-height:16px}#search-results .search-result{grid-template-columns:24px minmax(0,1fr) 16px;gap:12px;padding:12px}.search-result-copy b{font-size:16px;line-height:24px}.search-head h2{font-size:20px;line-height:28px}}
@media(prefers-reduced-motion:reduce){.hero-copy-slide{transition:none}.cognition-stage *{transition:none!important}.cognition-brain{opacity:1;transform:none;filter:none}.hero-motion-toggle{display:none}}
@media print{.cognition-hero{min-height:0;grid-template-columns:1fr}.hero-copy-slide{display:none}.hero-copy-slide.is-current{display:block}.hero-story-controls,.cognition-visual{display:none}}

.cognition-caption{position:static;margin-top:0;padding:0 16px;gap:4px}.cognition-visual.is-entered .cognition-caption{opacity:1}
@media(max-width:360px){.hero-copy-slide h2{font-size:30px;line-height:36px}}
.mobile-menu-links #menu-search{justify-content:flex-start;border:0;border-radius:12px;background:transparent;padding:16px;font-size:20px;line-height:28px;font-weight:500}
.mobile-menu-links #menu-search:hover{background:var(--tint)}