/* Revision 2: distinct regions for type and moving sculpture. */
:root{--ink:#11233e;--muted:#536278;--line:#dce2e9;--wash:#f4f6f9}
html{scroll-behavior:auto}body{font-size:19px;line-height:1.6}h1,h2,h3{letter-spacing:-.045em;font-weight:500}p{max-width:70ch}header{height:100px;position:relative;border-bottom:0;padding:0 4.5%;background:#fff}.brand{gap:14px;font-size:21px;letter-spacing:-.04em}.brand .school{font-size:13px;letter-spacing:.1em}.brand-mark{width:76px;height:68px;display:flex;align-items:center;justify-content:center;font-size:43px;letter-spacing:-.07em;font-weight:800}.brand-mark img{width:100%;height:100%;object-fit:contain}nav{font-size:15px;gap:25px}nav a:last-child{padding:10px 19px;border-radius:8px}nav a[aria-current]{border-bottom-width:2px}.button{border-radius:8px;padding:15px 23px;font-size:17px;font-weight:500;gap:0}.text-link{font-size:17px;padding:5px 0;border-bottom-color:#7b8a9e}.wrap{padding:100px 60px}.section-name{font-size:17px;font-weight:500;color:var(--muted);margin-bottom:28px}.eyebrow,.step-number,.roles article>span,.article-number{font-size:15px!important;letter-spacing:0!important;text-transform:none!important}.small-note,.review-label,.lesson-note{font-size:15px!important}.lead{font-size:22px;line-height:1.6}.page-intro h1{font-size:clamp(49px,6.5vw,88px)}.footer-base,#motion-toggle{font-size:14px}.footer-links{font-size:15px}.footer-brand{font-size:28px}.footer-brand span,footer p{font-size:16px}.founder-art>p{display:none}.founder-copy p{font-size:19px}.roles p,.two-columns p,.flow li p{font-size:18px}.roles article>span{color:var(--muted)}.closing{border-top:0;background:#f3f6fa;max-width:none;padding:110px 26px;margin:0}.closing .eyebrow{display:none}.closing h2{font-size:clamp(42px,5vw,68px)}.closing p{font-size:20px;max-width:500px;margin:24px auto 30px}.closing .button{margin-top:5px}
.observatory-v2{height:560svh;position:relative;background:#fff}.obs-pinned{height:100svh;position:sticky;top:0;overflow:hidden;max-width:1800px;margin:auto}.obs-art{position:absolute;left:38%;right:0;top:0;height:90%;isolation:isolate}.observatory-fallback{width:100%;height:100%;object-fit:contain;position:absolute;inset:0;transition:none}#observatory-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;opacity:0}.obs-art[data-renderer=webgl] #observatory-canvas{opacity:1}.obs-art[data-renderer=webgl] .observatory-fallback{opacity:0}.obs-copy{position:absolute;left:5%;width:35%;top:0;bottom:80px;display:flex;align-items:center;z-index:2}.obs-panel{position:absolute;left:0;right:0;opacity:0;visibility:hidden;transform:translateY(16px);transition:opacity .25s,transform .4s,visibility .25s;pointer-events:none}.obs-panel.is-current{opacity:1;visibility:visible;transform:none;pointer-events:auto}.obs-panel h1,.obs-panel h2{font-size:clamp(44px,4.4vw,76px);line-height:1.06;margin-bottom:30px;letter-spacing:-.05em}.obs-panel p{font-size:20px;line-height:1.6;max-width:405px}.obs-panel .obs-inclusion{font-size:17px;color:var(--muted);margin-top:24px;margin-bottom:0}.obs-panel .button{margin-top:14px}.obs-bottom{position:absolute;bottom:22px;left:5%;right:5%;display:flex;align-items:center;justify-content:space-between;gap:24px;font-size:15px;color:var(--muted);z-index:3}.obs-bottom #motion-toggle{font-size:15px;border:1px solid #dce2e9;border-radius:6px;background:#fff;padding:8px 13px;color:var(--ink)}.scene-position{display:flex;gap:10px}.scene-position span{width:6px;height:6px;border-radius:50%;background:#c8d2df;transition:width .25s}.scene-position span.active{background:var(--ink);width:26px;border-radius:6px}
.teaching-intro{border-top:1px solid var(--line);max-width:1200px}.teaching-intro h2{font-size:clamp(42px,5.5vw,74px);max-width:880px}.teaching-columns{display:grid;grid-template-columns:1fr 1fr;gap:90px;margin-top:48px}.teaching-columns p{font-size:20px;line-height:1.7}.approach-v2{display:grid;grid-template-columns:.95fr 1fr;gap:12%;max-width:1200px}.approach-v2 h2{font-size:clamp(40px,4.5vw,62px)}.approach-v2>div>p:not(.section-name){margin-top:30px;max-width:380px;font-size:20px}.approach-v2 ol{padding:0;margin:0;list-style:none}.approach-v2 li{border-top:1px solid var(--line);padding:30px 0 24px}.approach-v2 li h3{font-size:27px;line-height:1.2;margin-bottom:14px}.approach-v2 li p{font-size:18px;color:var(--muted)}.hub-preview-v2{max-width:1200px}.hub-preview-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:50px}.hub-preview-heading .text-link{white-space:nowrap;margin-bottom:40px}.hub-preview-heading h2{font-size:clamp(40px,4.5vw,62px)}.featured-reading{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;margin:44px 0 20px}.featured-reading>a{display:block;border-top:2px solid #1e3553;padding:25px 0}.featured-reading span{font-size:15px;color:var(--muted)}.featured-reading h3{font-size:28px;line-height:1.24;margin:26px 0 16px}.featured-reading p{font-size:17px;color:var(--muted)}.featured-reading a:hover h3,.article-card:hover h2{color:#486a8d}.hub-toolbar label{font-size:16px}.article-card .article-number{color:var(--muted)}.article-card .read{font-size:16px}.article-card p{font-size:17px}.article-card h2{line-height:1.25}.reading .article-back{font-size:16px}.reading h1{line-height:1.14}.reading h2{font-size:30px;line-height:1.25}.reading p,.reading li{font-size:19px;line-height:1.75}.reading .eyebrow{color:var(--muted)}.no-motion .obs-panel{transition:none}.no-motion .observatory-v2{height:560svh}.no-motion .obs-pinned{position:sticky}.no-motion .scene-position span{transition:none}
@media(min-width:801px) and (max-height:650px){.obs-panel h1,.obs-panel h2{font-size:46px;margin-bottom:20px}.obs-panel p{font-size:18px}.obs-panel .obs-inclusion{font-size:16px;margin-top:15px}}
@media(max-width:800px){header{height:84px;padding:0 22px}.brand{font-size:19px;gap:11px}.brand-mark{width:63px;height:60px}.brand .school{font-size:12px}.menu-button{font-size:17px;padding:10px 0}nav{top:84px;font-size:17px;gap:4px;padding:20px 26px}nav a{padding:14px 0}nav a:last-child{border:0;padding:14px 0}nav a[aria-current]{border-bottom:0;font-weight:600}.wrap{padding:72px 26px}.observatory-v2{height:520svh}.obs-pinned{height:100svh}.obs-art{left:0;right:0;top:0;height:44%;}.obs-copy{left:7%;width:86%;top:47%;bottom:66px;align-items:flex-start}.obs-panel h1,.obs-panel h2{font-size:clamp(34px,6vw,46px);line-height:1.1;margin-bottom:16px;letter-spacing:-.04em}.obs-panel h1 br{display:none}.obs-panel p{font-size:17px;line-height:1.5;max-width:480px;margin-bottom:14px}.obs-panel .obs-inclusion{font-size:15px;margin-top:14px;line-height:1.5}.obs-panel .obs-inclusion br{display:none}.obs-panel .button{font-size:16px;padding:12px 17px;margin-top:0}.obs-bottom{left:7%;right:7%;bottom:14px;font-size:14px;gap:12px}.obs-bottom #motion-toggle{font-size:14px;padding:7px 10px}.scene-position{display:none}.scroll-cue{max-width:165px;line-height:1.3}.teaching-columns,.approach-v2{grid-template-columns:1fr;gap:35px}.teaching-intro h2{font-size:43px}.teaching-columns{margin-top:32px}.teaching-columns p{font-size:18px}.approach-v2 h2{font-size:43px}.approach-v2>div>p:not(.section-name){font-size:18px}.hub-preview-heading{display:block}.hub-preview-heading .text-link{margin:14px 0}.featured-reading{grid-template-columns:1fr;gap:16px;margin-top:28px}.featured-reading h3{font-size:27px;margin-top:18px}.hub-preview-heading h2{font-size:40px}.section-name{font-size:16px;margin-bottom:20px}.closing{padding:72px 26px}.closing h2{font-size:42px}.closing p{font-size:18px}.reading p,.reading li{font-size:18px;line-height:1.7}.article-card h2{font-size:27px}.article-card p{font-size:17px}.founder-copy p{font-size:18px}.footer-base{font-size:14px;gap:18px}.no-motion .observatory-v2{height:520svh}}
@media(max-width:800px) and (max-height:690px){.obs-art{height:41%}.obs-copy{top:40%}.obs-panel h1,.obs-panel h2{font-size:32px}.obs-panel p{font-size:16px}.obs-panel .obs-inclusion{font-size:14px}.obs-bottom{bottom:8px}}
@media(prefers-reduced-motion:reduce){.obs-panel,.scene-position span{transition:none}}
noscript{display:block}

/* Keep the whole opening composition in the first viewport. */
header{position:sticky;top:0;z-index:30;background:#fff}.obs-pinned{top:100px;height:calc(100svh - 100px)}
@media(max-width:800px){.obs-pinned{top:84px;height:calc(100svh - 84px)}}

.obs-art[data-renderer=webgl] #observatory-canvas{opacity:var(--object-reveal,1)}

.article-number,.reading>.eyebrow{display:none}.roles article>span{font-size:16px!important}.page-intro .eyebrow{font-weight:500;color:var(--muted)}

.story-navigation{display:flex;gap:22px}.story-navigation button{border:0;background:#fff;color:var(--ink);padding:8px 0;font-size:15px}.story-navigation button:disabled{color:#8994a3;cursor:default}.obs-bottom [hidden]{display:none!important}@media(max-width:800px){.scroll-cue{display:none}.story-navigation{gap:24px}.story-navigation button{font-size:15px}}

/* Revision 3: one immersive background, with a reading panel that changes position. */
.obs-art{inset:0;height:100%;width:100%}.obs-copy{inset:0;width:100%;display:block;pointer-events:none;bottom:80px}.obs-panel{left:5%;right:auto;top:50%;width:min(380px,33vw);padding:28px 32px;background:rgba(255,255,255,.94);border:1px solid rgba(220,226,233,.6);border-radius:18px;box-shadow:0 12px 48px rgba(17,35,62,.035);backdrop-filter:blur(18px);transform:translateY(calc(-50% + 20px));transition:opacity .45s,transform .65s,visibility .45s}.obs-panel.is-current{transform:translateY(-50%)}.obs-panel[data-step="1"],.obs-panel[data-step="3"]{left:auto;right:5%}.obs-panel h1,.obs-panel h2{font-size:clamp(36px,3.7vw,58px);margin-bottom:22px}.obs-panel p{font-size:18px;line-height:1.55}.obs-panel .obs-inclusion{font-size:16px;margin-top:18px}.obs-bottom{background:rgba(255,255,255,.92);padding:10px 18px;border-radius:10px;bottom:12px}.obs-panel .text-link{font-size:16px}.obs-panel .button{font-size:16px;padding:12px 18px}
@media(max-width:800px){.obs-art{inset:0;height:100%;width:100%}.obs-copy{inset:0;bottom:68px;width:100%}.obs-panel,.obs-panel[data-step="1"],.obs-panel[data-step="3"]{left:6%;right:auto;top:auto;bottom:0;width:88%;padding:20px 23px;box-sizing:border-box;transform:translateY(16px)}.obs-panel.is-current{transform:none}.obs-panel h1,.obs-panel h2{font-size:32px;line-height:1.08;margin-bottom:14px}.obs-panel h2 br{display:none}.obs-panel p{font-size:16px;line-height:1.5;margin-bottom:12px}.obs-panel .obs-inclusion{font-size:14px;margin-top:10px}.obs-bottom{left:6%;right:6%;padding:4px 10px;bottom:8px}.obs-panel .text-link{font-size:15px}.obs-panel .button{font-size:15px}}
@media(prefers-reduced-motion:reduce){.obs-panel{transition:none}}
