@font-face{font-family:'DM Sans';font-style:normal;font-weight:400;src:url('/fonts/dm-sans-400.ttf') format('truetype');font-display:swap}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:600;src:url('/fonts/dm-sans-600.ttf') format('truetype');font-display:swap}
@font-face{font-family:'DM Sans';font-style:normal;font-weight:700;src:url('/fonts/dm-sans-700.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;src:url('/fonts/instrument-serif-normal.ttf') format('truetype');font-display:swap}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;src:url('/fonts/instrument-serif-italic.ttf') format('truetype');font-display:swap}
:root{--paper:#f5f0e7;--card:#fbf7ef;--ink:#183b34;--muted:#566c60;--line:#dcded2;--teal:#173e35;--gold:#b38846;--copper:#b66c48;--serif:'Instrument Serif',Georgia,serif;--sans:'DM Sans',Arial,sans-serif;color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased}button,input,select,summary{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,summary{cursor:pointer}button{border:0;color:inherit}button:disabled{cursor:default}a{color:inherit}svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible,.stage:focus-visible{outline:3px solid #a65d38;outline-offset:4px}.skip-link{position:absolute;top:-100px;left:20px;background:var(--teal);color:white;padding:14px;z-index:50}.skip-link:focus{top:8px}.site-header{max-width:1600px;margin:auto;height:86px;padding:0 56px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:600;letter-spacing:-1px;font-size:25px;text-decoration:none}.brand svg{width:35px;height:35px;stroke-width:1.15}.brand-core{fill:var(--copper);stroke:none}.brand-light{color:var(--copper);font-weight:400;margin-left:7px}.atlas-label{font-size:10px;letter-spacing:1.8px;color:var(--muted)}.text-button{background:none;font-size:13px;min-height:44px;padding:10px 0}.text-button span{font-size:20px;margin-left:17px}main{max-width:1600px;margin:auto;padding:0 56px}.intro{display:flex;justify-content:space-between;align-items:center;padding:38px 0 32px;gap:48px}.eyebrow{font-size:10px;line-height:1.5;letter-spacing:1.45px;font-weight:600;display:flex;gap:10px;align-items:center;margin:0 0 12px}.tiny-line{width:22px;height:1px;background:var(--copper)}.intro-index{color:#68755e;border-left:1px solid #bcc4b4;padding-left:12px;margin-left:2px;font-weight:400}h1{font:400 clamp(56px,5.7vw,82px)/.94 var(--serif);letter-spacing:-1.6px;margin:0}h1 em{font-weight:400;color:#76816b}.intro-copy{max-width:355px;padding:18px 0 0}.intro-copy p{font-size:16px;line-height:1.7;margin:0 0 18px;color:var(--muted)}.intro-copy strong{font-weight:600;color:var(--ink)}.intro-link{display:flex;align-items:center;gap:22px;background:none;padding:0;font-size:14px;font-weight:600;min-height:40px}.intro-link span{font-size:24px;color:var(--copper)}.intro-caption{display:block;font-size:11px;color:var(--muted);margin-top:8px}.explorer{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:24px;align-items:start}.model-area{border:1px solid #d9dbce;background:var(--card);border-radius:24px;padding:20px 20px 0;min-width:0;box-shadow:0 16px 42px #33432f05}.viewer-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding:0 3px}.viewer-heading .eyebrow{font-size:10px;letter-spacing:1.8px;margin:0}.live-indicator{display:flex;gap:7px;align-items:center;color:var(--muted);font-size:9px;letter-spacing:1.2px}.live-indicator i{height:5px;width:5px;border-radius:50%;background:#8a9b72}.model-topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;position:relative;z-index:2}.segmented{display:flex;background:#ebeadd;border:1px solid #dce0d0;padding:4px;border-radius:30px;gap:2px}.segmented button{background:none;border-radius:25px;font-size:12px;font-weight:600;min-height:38px;padding:7px 18px;transition:background .2s;color:#50695b}.segmented button[aria-pressed=true]{background:#fffdf8;box-shadow:0 2px 6px #37452d12;color:var(--ink)}.icon-button{display:grid;place-items:center;flex-shrink:0;width:42px;height:42px;border-radius:50%;border:1px solid #d7dccd;background:none;font-size:26px}.icon-button svg{width:19px;height:19px}.focus-controls{display:flex;align-items:center;gap:5px;padding:13px 2px 3px}.focus-controls>span{font-size:9px;letter-spacing:1.4px;color:var(--muted);margin-right:8px}.focus-controls button{background:none;border:1px solid transparent;border-radius:20px;padding:7px 13px;min-height:36px;font-size:11px;color:#526a59}.focus-controls button[aria-pressed=true]{background:#e8eddf;border-color:#cad5be;color:#284b39}.stage{position:relative;width:100%;height:600px;isolation:isolate;touch-action:none;overflow:hidden;border-radius:18px;outline-offset:-4px!important;background:radial-gradient(ellipse at 51% 53%,#e6ded060,transparent 70%)}.stage canvas{position:absolute;inset:0;z-index:1;display:block;touch-action:none}.stage-ambient{position:absolute;inset:15% 0 0;background:radial-gradient(ellipse at 49% 51%,#dfdcc938,transparent 66%);pointer-events:none}.loading{position:absolute;inset:0;display:flex;gap:13px;align-items:center;justify-content:center;flex-direction:column;z-index:8;background:var(--card);text-align:center;color:var(--muted);font-size:13px;padding:30px}.loading strong{font:400 30px/1.2 var(--serif);color:var(--ink)}.loading-ring{border:1px solid #ccd6c3;border-top:2px solid #82956c;width:36px;height:36px;border-radius:50%;animation:spin 1.6s linear infinite;margin-bottom:8px}@keyframes spin{to{transform:rotate(360deg)}}.webgl-fallback a{max-width:300px;line-height:1.7;color:var(--ink);margin-top:10px}.compartment{position:absolute;z-index:3;background:#fbf7efdc;border:1px solid #e7e6d966;border-radius:7px;font-size:9px;letter-spacing:.8px;padding:7px 9px;pointer-events:none;color:#53674f;max-width:160px}.compartment span{display:block;font-size:10px;line-height:1.4;letter-spacing:0;color:#617459;margin-top:4px}.matrix{left:4px;top:28px}.ims{left:4px;bottom:45px}.hotspot{position:absolute;left:0;top:0;z-index:4;background:#fffaf1ed;border:1px solid #ece9dd;border-radius:9px;padding:10px 12px;display:flex;align-items:flex-start;gap:8px;text-align:left;box-shadow:0 4px 13px #354b3410;transition:background .2s;font-size:11px;line-height:1.35;white-space:nowrap}.hotspot:hover,.hotspot[aria-pressed=true]{background:#fffdf8;border-color:#c6bf9e}.hotspot small{display:block;margin-top:4px;font-size:9px;line-height:1.3;color:#5e7263}.hotspot-dot{height:5px;width:5px;border-radius:50%;margin-top:4px;flex-shrink:0;background:#7b9499}.hotspot[data-part=rotor] .hotspot-dot{background:#b66c48}.hotspot[data-part=stator] .hotspot-dot{background:#44775a}.hotspot[data-part=protons] .hotspot-dot{background:#b88c2d}.hotspot[data-part=membrane] .hotspot-dot{background:#859774}.stage-caption{position:absolute;z-index:3;bottom:9px;left:12%;right:12%;text-align:center;font-size:9px;line-height:1.4;color:#52684f;background:#fbf7efd9;border-radius:6px;padding:5px;pointer-events:none}.channel-label{position:absolute;z-index:5;background:#fff2ceee;border:1px solid #dbca9033;border-radius:7px;padding:6px 9px;color:#73571d;font-size:11px;pointer-events:none;max-width:140px}.channel-label small{display:block;font-size:9px;color:#76683c;margin-top:3px;line-height:1.4}.model-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;border-top:1px solid var(--line);padding:16px 3px 14px}.playback{display:flex;align-items:center;gap:12px}.play-button{display:grid;place-items:center;width:46px;height:46px;flex-shrink:0;background:var(--teal);color:var(--card);border-radius:50%}.play-button svg{width:21px;height:21px;stroke-width:1.8}.play-button #play-icon{fill:currentColor;stroke:none;width:19px;height:19px}.playback-copy strong{display:block;font-size:12px;font-weight:600}.playback-copy>span{display:block;margin-top:5px;font-size:9px;color:var(--muted)}.speed-control{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:11px}.speed-control input{width:86px;height:28px;accent-color:var(--teal);cursor:pointer}.speed-control output{min-width:26px;text-align:right;color:var(--ink);font-size:12px}.model-options{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:0 3px 12px;font-size:11px;color:var(--muted)}.gesture-hint{display:flex;align-items:center;gap:7px;font-size:10px}.gesture-hint svg{width:17px;height:17px}.zoom-buttons{display:flex;gap:6px}.zoom-buttons button{display:grid;place-items:center;background:#e9edde;color:#466448;width:34px;height:34px;border-radius:50%;font-size:20px}.advanced-controls{border-top:1px solid var(--line);margin:0 -20px;padding:0 23px}.advanced-controls>summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:51px;font-size:12px;color:var(--muted)}summary::-webkit-details-marker{display:none}.summary-icon{font-size:20px;font-weight:400;transition:transform .2s}.advanced-controls[open] .summary-icon{transform:rotate(45deg)}.advanced-content{padding:3px 0 20px}.display-options{display:flex;gap:22px;align-items:center;font-size:12px;color:var(--ink)}.display-options label{display:flex;gap:7px;align-items:center;min-height:36px}.display-options input{width:16px;height:16px;accent-color:var(--teal)}.snapshot-controls{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:12px;font-size:12px;color:var(--muted)}.snapshot-controls select{font-size:12px;border:1px solid #d3d9c9;border-radius:7px;padding:9px 12px;background:var(--paper);color:var(--ink);max-width:240px}.snapshot-controls>span{font-size:10px;color:var(--muted)}.advanced-help{margin:13px 0 0;font-size:10px;color:var(--muted);line-height:1.6}.lesson-panel{display:grid;gap:16px}.story-card{background:var(--teal);color:#e5e5cb;padding:26px;border-radius:22px;box-shadow:0 8px 26px #3247360b}.lesson-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.lesson-top .eyebrow{margin:0;font-size:9px;color:#ced6b6;letter-spacing:1.5px}.lesson-top #step-count{font-size:10px;color:#bbcaab;font-variant-numeric:tabular-nums}.step-track{display:flex;gap:5px;margin:17px 0 25px}.step-track button{background:transparent;border-top:3px solid #65887255;flex:1;height:20px;padding:0;margin-bottom:-12px}.step-track button[aria-pressed=true]{border-color:#cabb7c}.story-kicker{font-size:9px;letter-spacing:1.6px;line-height:1.6;color:#d0c58f;margin:0 0 14px}h2{font:400 40px/1.04 var(--serif);letter-spacing:-.5px;margin:0 0 19px}#story-description{font-size:13px;line-height:1.8;color:#cddac5;min-height:112px;margin:0}.energy-diagram{border-top:1px solid #b2c59d24;border-bottom:1px solid #b2c59d24;display:flex;justify-content:space-between;gap:10px;align-items:center;padding:20px 0;margin:23px 0}.energy-diagram>span{font:400 26px/1.2 var(--serif);text-align:center;color:#d5c78c}.energy-diagram small{display:block;font:400 7px/1.5 var(--sans);letter-spacing:1px;margin-top:7px;color:#c3d0b4}.energy-diagram svg{width:26px;height:26px;display:block;margin:auto}.energy-diagram b{font-size:14px;font-weight:400;color:#9bb393}.story-navigation{display:flex;gap:9px}.story-navigation button{min-height:42px;border-radius:9px;background:none}.story-navigation #story-prev{border:1px solid #bfc9a442;color:#d1d5b5;width:42px;flex-shrink:0;font-size:18px}.story-navigation #story-prev:disabled{opacity:.4}.story-navigation #story-next{background:#d2bf80;color:#264430;flex:1;font-size:12px;padding:10px 13px;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:8px}.story-navigation #story-next span{font-size:20px}.components-card{border:1px solid #d6dccb;background:#ecefdf;padding:24px;border-radius:22px}.parts-heading{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1px;font-weight:600;margin:0 0 17px;gap:8px}.parts-heading>span{color:#627854;font-size:9px;letter-spacing:0;font-weight:400}.parts{display:grid;grid-template-columns:1fr 1fr;gap:7px}.parts button{display:flex;gap:7px;align-items:center;text-align:left;font-size:11px;min-height:41px;padding:8px 10px;border:1px solid #c8d2bdaa;border-radius:8px;background:transparent}.parts button[aria-pressed=true]{background:#fffaf0;border-color:#9fac89}.swatch{width:5px;height:5px;flex-shrink:0;border-radius:50%;background:#47725c}.head-swatch{background:#668892}.rotor-swatch{background:#b16848}.proton-swatch{background:#bca233}.bilayer-swatch{background:#8b9b78}.bilayer-part{grid-column:1/-1}.bilayer-part>span{margin-left:auto;font-size:9px;color:#536e4d}.part-detail{margin-top:20px}.part-detail>strong{font-size:14px;font-weight:600;display:block;line-height:1.5}.part-detail>p{font-size:12px;line-height:1.75;color:#4b654f;margin:9px 0 12px}.chain-disclosure>summary{font-size:10px;color:#4a674e;min-height:28px;display:flex;align-items:center;gap:8px}.chain-disclosure>summary:before{content:'+';font-size:16px}.chain-disclosure[open]>summary:before{content:'−'}.chain-disclosure #chain-detail{display:block;font-size:10px;line-height:1.8;color:#45644d;padding-top:5px}.part-actions{display:flex;justify-content:space-between;gap:12px}.show-all{background:none;padding:9px 0 0;min-height:36px;font-size:10px;font-weight:600;color:#4a633e}.catalytic-cycle{border:1px solid #bfc59a2c;padding:12px 10px;border-radius:9px;margin:20px 0 0}.cycle-heading{font-size:7px;letter-spacing:.8px;color:#c7d1b4}.cycle-sites{display:flex;justify-content:space-between;gap:5px;margin-top:12px}.cycle-sites>span{flex:1;text-align:center;padding:7px 2px;border-radius:5px;color:#ced9bd;transition:background .3s}.cycle-sites strong{font:400 24px/1.2 var(--serif)}.cycle-sites small{display:block;font-size:8px;line-height:1.5;margin-top:5px;white-space:nowrap}.cycle-sites .is-making{background:#ddc48226;color:#eedb9d}.insight-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:38px}.insight-strip button{display:flex;align-items:center;text-align:left;gap:20px;min-height:130px;padding:26px 24px 26px 0;background:none;position:relative}.insight-strip button+button{border-left:1px solid var(--line);padding-left:32px}.fact-number{font:400 66px/1 var(--serif);letter-spacing:-2px;color:#78856b;flex-shrink:0}.fact-number>span{font-size:24px;vertical-align:top;letter-spacing:0}.fact-copy{display:block}.fact-copy strong{display:block;font-size:12px;line-height:1.5;font-weight:600}.fact-copy small{display:block;font-size:10px;line-height:1.65;color:var(--muted);max-width:205px;margin-top:5px}.fact-arrow{font-size:16px;color:#899679;margin-left:auto}footer{display:flex;justify-content:space-between;align-items:center;gap:24px;padding:32px 0 36px}footer>p{font:italic 24px/1.2 var(--serif);color:#7d8a70;margin:0}footer>div{display:flex;gap:25px;align-items:center;font-size:9px;letter-spacing:.5px;color:var(--muted)}footer button{background:none;font-size:10px;min-height:40px;padding:4px 0}footer button span{font-size:18px;margin-left:13px}dialog{color:var(--ink);background:var(--card);border:1px solid #d5dac9;border-radius:22px;padding:36px;max-width:740px;width:calc(100% - 32px);max-height:85vh;box-shadow:0 30px 100px #142e3322}dialog::backdrop{background:#16342b7a;backdrop-filter:blur(4px)}.dialog-top{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:20px}.dialog-top .eyebrow{margin:0}dialog h2{font-size:49px;line-height:1}dialog h2 em{font-weight:400;color:#7c8d6b}dialog h3{font-size:14px;margin:25px 0 8px}dialog p{font-size:13px;line-height:1.85;color:#47654f}dialog a{text-decoration-color:#a3b895;text-underline-offset:3px}.source-small{font-size:11px}.noscript{padding:30px;max-width:800px;margin:auto;line-height:1.8}
@media(min-width:1600px){.stage{height:660px}}
@media(max-width:1100px){main,.site-header{padding-left:32px;padding-right:32px}.explorer{grid-template-columns:minmax(0,1fr) 300px;gap:18px}.model-area{padding:17px 14px 0}.advanced-controls{margin:0 -14px;padding:0 17px}.story-card,.components-card{padding:22px}.stage{height:570px}.intro-copy{max-width:300px}.intro-copy p{font-size:14px}.hotspot{font-size:10px;padding:9px}.hotspot small{font-size:8px}.speed-control input{width:65px}.focus-controls button{padding:6px 9px}.parts button{font-size:10px}.fact-copy small{max-width:150px}}
@media(max-width:900px){.atlas-label{display:none}.explorer{grid-template-columns:1fr}.lesson-panel{grid-template-columns:1fr 1fr;align-items:start}.intro{gap:24px}.intro-copy{max-width:260px}.intro-caption{display:none}.stage{height:650px}.story-card,.components-card{height:100%}.insight-strip button{gap:14px;flex-wrap:wrap}.insight-strip button+button{padding-left:20px}.fact-number{font-size:52px}.fact-copy{width:100%}.fact-arrow{position:absolute;right:16px;top:32px}footer>div{gap:15px}.parts button{font-size:12px}.part-detail>p{font-size:13px}}
@media(max-width:600px){html{scroll-padding-top:14px}main{padding:0 14px}.site-header{height:66px;padding:0 20px}.brand{font-size:23px;gap:10px}.brand svg{height:30px;width:30px}.brand-light{display:none}.text-button{font-size:11px}.text-button span{margin-left:6px;font-size:17px}.intro{display:block;padding:24px 6px 23px}.intro .eyebrow{font-size:8px;letter-spacing:1px;gap:7px;margin-bottom:10px}.tiny-line{width:15px}.intro-index{padding-left:8px;margin-left:0}h1{font-size:48px;line-height:.94;letter-spacing:-.7px}.intro-copy{max-width:none;padding:14px 0 0}.intro-copy p{font-size:13px;line-height:1.65;margin:0;max-width:340px}.intro-link{display:none}.model-area{padding:15px 10px 0;border-radius:19px}.viewer-heading{padding:0 4px;margin-bottom:12px}.viewer-heading .eyebrow{font-size:8px;letter-spacing:1.3px}.live-indicator{font-size:8px;letter-spacing:.8px}.segmented{gap:0;padding:3px}.segmented button{font-size:11px;padding:7px 13px;min-height:35px}.icon-button{height:38px;width:38px}.focus-controls{padding:10px 3px 3px;gap:2px}.focus-controls>span{font-size:8px;margin-right:4px}.focus-controls button{font-size:10px;min-height:35px;padding:6px 9px}.stage{height:490px;border-radius:12px;margin-top:2px}.matrix{top:12px;left:3px}.compartment{font-size:7px;padding:5px 6px;max-width:120px}.compartment span{font-size:8px}.ims{bottom:38px}.hotspot{font-size:9px;padding:7px 8px;gap:6px;border-radius:7px}.hotspot small{font-size:7px;margin-top:3px}.hotspot-dot{width:4px;height:4px;margin-top:4px}.stage-caption{font-size:8px;left:6%;right:6%;bottom:7px;padding:4px}.channel-label{font-size:9px;max-width:110px;padding:5px 7px}.channel-label small{font-size:7px}.model-bottom{padding:13px 4px;gap:8px}.playback{gap:9px}.play-button{height:42px;width:42px}.playback-copy strong{font-size:10px}.playback-copy>span{font-size:7px;max-width:150px;line-height:1.5;margin-top:3px}.speed-control{font-size:9px;gap:6px}.speed-control input{width:52px}.speed-control output{font-size:10px;min-width:22px}.model-options{padding:0 4px 11px}.gesture-hint{font-size:9px;gap:4px}.gesture-hint svg{width:13px;height:13px}.zoom-buttons{gap:4px}.zoom-buttons button{width:31px;height:31px;font-size:18px}.advanced-controls{margin:0 -10px;padding:0 14px}.advanced-controls>summary{font-size:11px;min-height:48px}.display-options{font-size:12px;gap:18px}.snapshot-controls{align-items:flex-start;display:grid;gap:9px}.snapshot-controls select{width:100%;max-width:100%;min-height:40px}.advanced-help{font-size:10px}.lesson-panel{grid-template-columns:1fr;gap:14px}.explorer{gap:18px}.story-card,.components-card{padding:24px;border-radius:19px}.lesson-top .eyebrow{font-size:9px}.story-kicker{font-size:9px}h2{font-size:43px;line-height:1.03}#story-description{font-size:14px;min-height:0;line-height:1.8}.energy-diagram{margin:20px 0}.energy-diagram small{font-size:8px}.energy-diagram>span{font-size:30px}.story-navigation #story-next{font-size:13px;min-height:46px}.parts-heading{font-size:10px;margin-bottom:16px}.parts-heading>span{font-size:10px}.parts button{font-size:12px;min-height:46px}.bilayer-part>span{font-size:10px}.part-detail>strong{font-size:15px}.part-detail>p{font-size:13px;min-height:0}.chain-disclosure>summary{font-size:12px;min-height:34px}.chain-disclosure #chain-detail{font-size:11px}.show-all{font-size:12px;min-height:42px}.cycle-heading{font-size:8px}.cycle-sites small{font-size:10px}.cycle-sites strong{font-size:27px}.insight-strip{grid-template-columns:1fr;margin-top:28px}.insight-strip button{flex-wrap:nowrap;min-height:108px;padding:17px 8px;gap:23px}.insight-strip button+button{border-left:0;border-top:1px solid var(--line);padding-left:8px}.fact-number{width:74px;font-size:56px}.fact-copy{width:auto}.fact-copy strong{font-size:12px}.fact-copy small{font-size:11px;max-width:200px}.fact-arrow{position:static;flex-shrink:0;align-self:center}footer{display:block;padding:25px 6px}footer>p{font-size:24px;margin-bottom:12px}footer>div{display:block;font-size:8px}footer>div span{display:block;margin-bottom:5px}footer button{font-size:11px}dialog{padding:24px;border-radius:18px}dialog h2{font-size:40px}dialog p{font-size:13px}.dialog-top .eyebrow{font-size:8px}}
@media(max-width:360px){h1{font-size:42px}.intro-index{font-size:7px}.focus-controls button{padding:6px 7px;font-size:9px}.speed-control{gap:4px}.speed-control input{width:44px}.gesture-hint{font-size:8px}.hotspot{font-size:8px}.parts button{font-size:11px}.bilayer-part>span{font-size:9px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}
.reduce-motion{scroll-behavior:auto}.reduce-motion *,.reduce-motion *:before,.reduce-motion *:after{animation:none!important;transition:none!important}

.webgl-fallback .intro-link{display:flex;background:var(--teal);color:var(--card);padding:8px 16px;border-radius:8px;font-size:13px}
@media(max-width:760px) and (min-width:601px){.intro{display:block}.intro-copy{max-width:550px;padding-top:18px}.intro-copy p{margin-bottom:9px}.intro-link{display:inline-flex}.intro-caption{display:none}}
@media(max-width:600px){.speed-control input{width:78px}.playback-copy{max-width:110px}.playback-copy>span{max-width:110px}.hotspot{font-size:10px}.hotspot small{font-size:8px}}
@media(max-width:360px){.site-header{padding:0 14px}.brand{font-size:20px;gap:8px}.brand svg{width:27px;height:27px}.text-button{font-size:10px}.segmented button{padding-left:10px;padding-right:10px}.speed-control input{width:56px}.playback-copy{max-width:104px}.gesture-hint{max-width:215px;line-height:1.5}}