:root{--brand:#22a9f8;--brand-deep:#01017c;--brand-soft:#edf8ff;--line:#dce7ee;--muted:#52677b;--white:#fff;--ink:#162e44;--iris-color:#7b805d;--pupil-color:#090e13;--font-ui:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;--radius:24px;--stage-glow:rgba(34,169,248,.13)}
*{box-sizing:border-box}body{margin:0;background:var(--white);font-family:var(--font-ui);color:var(--ink);line-height:1.5}.explorer{max-width:1160px;margin:auto;padding:36px 32px 24px}.eyebrow{display:flex;align-items:center;gap:9px;color:var(--muted);font-size:10px;font-weight:750;letter-spacing:1.7px}.eyebrow>span{width:7px;height:7px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 4px var(--brand-soft)}h1{font-size:clamp(28px,4vw,42px);line-height:1.14;letter-spacing:-1.55px;color:var(--brand-deep);margin:18px 0 14px;font-weight:750}h1>span{font-weight:450}.intro>p{font-size:15px;max-width:590px;color:var(--muted);margin:0 0 27px}.experience{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:22px}.experience>*{min-width:0}.stage{display:flex;flex-direction:column;justify-content:space-between;border:1px solid var(--line);border-radius:var(--radius);background:radial-gradient(ellipse at 50% 50%,var(--white),var(--brand-soft));padding:20px 18px 22px;transition:background .4s ease,border-color .4s ease}.stage[data-light=dim]{--stage-glow:rgba(34,169,248,.24);background:radial-gradient(ellipse at 50% 50%,#e7f1f8,#b9cfdf);border-color:#aac7dc}.stage-top{display:flex;justify-content:space-between;align-items:center;gap:10px}.state-badge{display:inline-flex;border:1px solid rgba(1,1,124,.14);border-radius:30px;background:rgba(255,255,255,.8);padding:6px 10px;font-size:10px;color:var(--brand-deep);font-weight:700}.model-label{font-size:9px;color:var(--muted)}.eye{display:block;width:100%;height:auto;filter:drop-shadow(0 16px 22px var(--stage-glow));margin:10px 0 6px}.anatomy-key{display:flex;justify-content:center;gap:20px;font-size:10px;color:var(--muted);flex-wrap:wrap}.anatomy-key>span{display:flex;align-items:center;gap:5px}.anatomy-key strong{color:var(--ink)}.anatomy-key i{display:inline-block;width:9px;height:9px;border-radius:50%}.iris-dot{background:var(--iris-color)}.pupil-dot{background:var(--pupil-color)}.control-panel{padding:20px 0 0 2px}.control-heading{display:flex;gap:9px;align-items:center}.step-number{color:var(--brand);font-size:11px;font-weight:750;letter-spacing:1px}h2{font-size:15px;margin:0;color:var(--brand-deep);letter-spacing:-.25px}.environment-buttons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));padding:4px;border-radius:14px;background:var(--brand-soft);margin:18px 0 24px;gap:4px}.environment-buttons>button{font:600 12px var(--font-ui);border-radius:10px;min-height:44px;padding:9px 13px;display:flex;justify-content:center;align-items:center;gap:7px;border:1px solid transparent;background:transparent;color:var(--muted);cursor:pointer;transition:background .2s,color .2s,box-shadow .2s}.environment-buttons>button[aria-pressed=true]{color:var(--brand-deep);background:var(--white);border-color:var(--line);box-shadow:0 2px 5px rgba(1,1,124,.055)}button svg{width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:1.6;stroke-linecap:round;stroke-linejoin:round}.slider-label{display:block;font-size:11px;font-weight:650;color:var(--muted);margin:0 0 11px}input[type=range]{display:block;accent-color:var(--brand-deep);width:100%;height:44px;cursor:pointer;margin:0}button:focus-visible,input:focus-visible{outline:3px solid var(--brand);outline-offset:4px}.range-ends{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);margin:2px 0 18px}.response{border-top:1px solid var(--line);padding-top:16px;min-height:117px}.response-kicker{font-size:9px;font-weight:750;letter-spacing:1.4px;color:var(--muted)}h3{font-size:22px;line-height:1.2;letter-spacing:-.65px;margin:5px 0 8px;color:var(--brand-deep)}.response p{font-size:12px;line-height:1.6;color:var(--muted);margin:0}.constant{display:flex;gap:9px;font-size:11px;color:var(--muted);margin:15px 0 0}.constant>span{font-size:21px;line-height:1;color:var(--brand)}.mechanism{display:flex;justify-content:space-between;gap:12px;margin-top:26px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.mechanism>div{display:flex;gap:11px;align-items:center;min-width:0}.mechanism span{color:var(--brand);font-size:12px;font-weight:750}.mechanism p{font-size:11px;margin:0;color:var(--muted)}.mechanism strong{color:var(--brand-deep);font-weight:650}.mechanism>i{font-size:18px;align-self:center;color:var(--muted);font-style:normal}.footnote{display:flex;align-items:flex-start;justify-content:space-between;gap:22px;margin-top:17px;color:var(--muted)}.footnote p{font-size:10px;line-height:1.6;max-width:710px;margin:0}.footnote>span{font-size:8px;font-weight:700;letter-spacing:1px;white-space:nowrap;padding-top:4px;color:var(--brand-deep)}.footnote b{color:var(--brand);padding:0 3px}.static-comparison{margin:0}.static-comparison img{max-width:100%;height:auto;display:block;margin:auto}.static-comparison figcaption{font-size:13px;color:var(--muted)}
@media(max-width:650px){.explorer{padding:25px 16px 21px}h1{font-size:30px;letter-spacing:-1.1px}.intro>p{font-size:13px;line-height:1.65;margin-bottom:21px}.eyebrow{font-size:8px;letter-spacing:1.5px}.experience{grid-template-columns:minmax(0,1fr);gap:20px}.stage{padding:16px 12px 20px;min-height:268px}.eye{margin:9px 0 12px}.model-label{font-size:8px}.anatomy-key{gap:13px;font-size:9px}.control-panel{padding:0 3px}.control-heading{margin-bottom:10px}.environment-buttons{margin:12px 0 19px}.environment-buttons>button{min-height:44px;font-size:13px}.response{min-height:110px;padding-top:15px}.response p{font-size:13px}.response h3{font-size:23px}.constant{font-size:12px;margin-top:8px}.mechanism{gap:10px;padding:19px 0;margin-top:24px;align-items:flex-start}.mechanism>div{display:block;flex:1}.mechanism p{font-size:10px;line-height:1.6;margin-top:5px}.mechanism strong{font-size:11px}.mechanism>i{font-size:16px;align-self:center}.mechanism span{font-size:11px}.footnote{display:block;margin-top:14px}.footnote p{font-size:10px}.footnote>span{display:block;font-size:8px;margin-top:14px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{transition:none!important;animation:none!important;scroll-behavior:auto!important}}