:root{color-scheme:dark;--bg:#161b20;--stage:#20262b;--line:#364047;--ink:#eeeae2;--muted:#a8b0b4;--accent:#e7be70}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.5 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:5px}a{color:inherit;text-decoration:none}header{height:76px;margin:0 4%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center;font-size:11px;font-weight:650;letter-spacing:.17em}.brand svg{width:28px;height:28px;stroke:var(--accent);fill:none;stroke-width:1.4}.revision{font:10px ui-monospace,monospace;letter-spacing:.09em;color:var(--muted)}main{margin:24px 4% 0}.stage{position:relative;background:var(--stage);border:1px solid #30393f;min-height:590px;overflow:hidden}.titleblock{position:absolute;z-index:2;top:27px;left:32px;pointer-events:none}.eyebrow{font-size:10px;letter-spacing:.16em;color:var(--muted);margin:0 0 8px}h1{font-size:43px;font-weight:450;line-height:1.15;letter-spacing:-.04em;margin:0}h1 span{font-weight:700}.subtitle{font-size:13px;color:var(--muted);margin:9px 0}model-viewer{display:block;width:100%;height:590px;background:transparent;--poster-color:transparent}.loading{position:absolute;top:49%;left:50%;width:210px;transform:translateX(-50%);font-size:12px;text-align:center;color:var(--muted)}.loading>div{height:2px;background:var(--line);margin-top:12px}.loading i{display:block;height:100%;width:0;background:var(--accent);transition:width .15s}.loading.hide{display:none}.stage-bottom{position:absolute;bottom:25px;left:32px;right:32px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.stage-bottom button{pointer-events:auto}.gesture{display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}.gesture svg{width:19px;stroke:var(--muted);fill:none}.quiet{border:0;background:none;color:var(--muted);display:flex;align-items:center;gap:10px;font-size:11px;padding:10px 0}.toggle{width:25px;height:13px;border-radius:9px;background:#40494e;position:relative}.toggle:before{content:"";width:9px;height:9px;background:#a4a9a9;position:absolute;left:2px;top:2px;border-radius:50%;transition:transform .2s}.quiet[aria-pressed=true] .toggle{background:#6e5838}.quiet[aria-pressed=true] .toggle:before{transform:translateX(12px);background:var(--accent)}.model-tag{position:absolute;right:30px;top:34px;text-align:right;font:10px ui-monospace,monospace;color:var(--accent);letter-spacing:.1em;pointer-events:none}.model-tag span{display:block;color:var(--muted);font:10px/1.5 ui-sans-serif,system-ui;margin-top:6px;letter-spacing:0}.native-ar{position:absolute;bottom:72px;right:30px;background:var(--accent);color:#231e17;border:0;border-radius:3px;padding:13px 18px;font-size:13px;font-weight:650;box-shadow:0 3px 16px #0003}.native-ar span{margin-left:17px}.ar-instruction{display:none;position:absolute;bottom:20px;left:16px;right:16px;border-radius:6px;padding:15px;background:#161b20df;color:white;text-align:center}model-viewer[ar-status=session-started] .ar-instruction{display:block}model-viewer[ar-status=object-placed] .ar-instruction{display:none}#viewer-error{position:absolute;bottom:100px;left:30px;right:30px;background:#161b20ee;border:1px solid var(--line);padding:14px;color:var(--accent);font-size:12px}.controls{display:grid;grid-template-columns:1.15fr 1fr;gap:30px;padding:27px 0 30px;border-bottom:1px solid var(--line)}.label{font:10px ui-monospace,monospace;letter-spacing:.13em;color:var(--muted);margin:0 0 13px}.viewbuttons{display:flex;gap:7px;flex-wrap:wrap}.viewbuttons button{background:none;border:1px solid var(--line);border-radius:3px;padding:9px 13px;font-size:12px;color:var(--muted)}.viewbuttons button:hover{border-color:#8c928f;color:var(--ink)}.viewbuttons button[aria-pressed=true]{border-color:var(--accent);color:var(--accent);background:#e7be7008}.placement{border-left:1px solid var(--line);padding-left:30px;display:flex;gap:22px;align-items:start}.sizes{display:flex;gap:6px;white-space:nowrap}.sizes button{border:1px solid var(--line);border-radius:3px;padding:8px 13px;background:none;color:var(--muted);font-size:12px;text-align:left}.sizes button span{display:block;font-size:10px;color:var(--muted);margin-top:2px}.sizes button[aria-pressed=true]{border-color:var(--accent);color:var(--accent)}#ar-help{font-size:11px;color:var(--muted);max-width:180px;margin:24px 0 0}.details{border-bottom:1px solid var(--line)}summary{display:flex;align-items:center;justify-content:space-between;gap:18px;list-style:none;padding:23px 0;cursor:pointer}summary::-webkit-details-marker{display:none}summary>span:first-child{font-size:14px;font-weight:550}.summary-note{font-size:11px;color:var(--muted)}.summary-note b{font-weight:400;color:var(--accent);font-size:19px;margin-left:27px}details[open] .summary-note b{display:inline-block;transform:rotate(45deg)}.details-grid{display:grid;grid-template-columns:1fr 1fr;gap:8%;padding:10px 0 35px;max-width:1200px}.details-grid h2{font-size:13px;font-weight:650;margin:22px 0 12px}.details-grid h2:first-child{margin-top:0}.details-grid p{font-size:12px;color:var(--muted);line-height:1.75}.sources{list-style:none;padding:0;margin:0}.sources li{border-bottom:1px solid #30383e;padding:9px 0}.sources a{display:flex;justify-content:space-between;gap:12px;font-size:12px}.sources a:hover,.dimension-link:hover{color:var(--accent)}.sources small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.dimension-link{display:block;font-size:11px;margin-top:20px}.details-grid .small{font-size:10px}footer{margin:0 4%;padding:23px 0 28px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px}footer>div{display:flex;gap:25px}footer a span{color:var(--accent);margin-left:5px}footer a:hover{color:var(--ink)}
@media(min-width:1600px){main,header,footer{max-width:1500px;margin-left:auto;margin-right:auto}.stage,model-viewer{height:680px}}
@media(max-width:1100px){.placement{display:block}#ar-help{max-width:none;margin-top:10px}.controls{grid-template-columns:1fr 1fr}.viewbuttons{gap:6px}.viewbuttons button{padding:9px 11px}.titleblock{left:25px}.model-tag{right:25px}}
@media(max-width:700px){header{height:62px;margin:0 5%}.brand{font-size:9px;letter-spacing:.11em;gap:8px}.brand svg{width:23px}.revision{font-size:8px;letter-spacing:0;max-width:96px;text-align:right}main{margin:16px 4% 0}.stage{min-height:460px}.titleblock{top:21px;left:20px}.eyebrow{font-size:8px;letter-spacing:.08em}h1{font-size:35px}.subtitle{font-size:11px}.model-tag{top:116px;left:21px;right:auto;text-align:left;font-size:8px}.model-tag span{font-size:9px}.stage,model-viewer{height:460px}.stage-bottom{left:20px;right:20px;bottom:14px;align-items:end}.gesture{font-size:9px;max-width:155px;line-height:1.6;gap:5px}.quiet{font-size:10px}.native-ar{bottom:68px;right:18px;padding:11px 14px;font-size:12px}.controls{grid-template-columns:1fr;gap:23px;padding:23px 0}.placement{border-left:0;border-top:1px solid var(--line);padding:22px 0 0;display:flex;gap:14px}#ar-help{font-size:10px;margin-top:24px;max-width:145px}.sizes button{padding:9px 11px}.summary-note{font-size:9px}.summary-note b{margin-left:9px}summary>span:first-child{font-size:12px}.details-grid{grid-template-columns:1fr;gap:22px}.viewbuttons{gap:5px}.viewbuttons button{padding:9px 10px;font-size:11px}footer{margin:0 4%;display:block}footer>div{gap:20px;margin-top:14px}#viewer-error{left:15px;right:15px;font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}.loading i,.toggle:before{transition:none}}

/* Readable control labels and text, including narrow phone layouts. */
.brand{font-size:12px;letter-spacing:.09em}.revision{font-size:12px}.eyebrow{font-size:12px;letter-spacing:.10em}.subtitle{font-size:14px}.gesture,.quiet,.model-tag,.model-tag span{font-size:12px}.label{font-size:12px}.viewbuttons button,.sizes button{font-size:14px}.sizes button span,#ar-help{font-size:12px}.summary-note{font-size:12px}summary>span:first-child{font-size:16px}.details-grid h2{font-size:16px}.details-grid p{font-size:16px;line-height:1.7}.sources a{font-size:14px}.sources small,.dimension-link,.details-grid .small,footer{font-size:12px}.sources li{padding:13px 0}
@media(max-width:1100px){.controls{grid-template-columns:1.15fr 1fr}.placement{display:block}.sizes{flex-wrap:wrap}.stage-bottom{gap:18px}}
@media(max-width:700px){header{height:76px}.brand span{max-width:145px;line-height:1.5}.revision{font-size:12px;max-width:100px}.brand svg{flex-shrink:0}.titleblock{right:20px}.eyebrow{font-size:12px;letter-spacing:.035em}.subtitle{font-size:14px}.model-tag{top:145px;font-size:12px}.model-tag span{font-size:12px}.stage,model-viewer{height:490px}.controls{grid-template-columns:1fr}.gesture{font-size:12px;max-width:180px}.quiet{font-size:12px}.viewbuttons button{font-size:14px;padding:10px 12px}.placement{display:block}.sizes{flex-wrap:nowrap}#ar-help{font-size:12px;margin-top:12px;max-width:none}.summary-note{font-size:12px}.summary-note{max-width:145px;text-align:right}summary>span:first-child{font-size:14px}footer>div{flex-wrap:wrap;gap:12px 20px}}

.try-ar{padding:24px 0;display:grid;grid-template-columns:1fr auto;gap:16px 30px;align-items:center;border-bottom:1px solid var(--line)}.try-ar h2{font-size:16px;margin:0 0 8px}.try-ar p{font-size:14px;color:var(--muted);max-width:660px;margin:0;line-height:1.7}.try-ar>button{background:var(--accent);border:0;border-radius:3px;color:#231e17;font-size:14px;font-weight:650;padding:14px 22px;min-width:190px}.try-ar>button:disabled{background:#39434a;color:#c0c7c8;cursor:default}.try-ar .cab-notice{grid-column:1/-1;color:var(--accent);max-width:none;font-size:13px}.try-ar .cab-notice[hidden]{display:none}model-viewer[ar-status=session-started] .native-ar{display:none}
@media(max-width:700px){.try-ar{grid-template-columns:1fr}.try-ar>button{width:100%}.model-tag{max-width:calc(100% - 40px)}.brand span{max-width:125px}}

.ar-browser-help{padding:24px 0;border-bottom:1px solid var(--line);max-width:900px}.ar-browser-help[hidden]{display:none}.ar-browser-help h2{font-size:18px;margin:0 0 12px}.ar-browser-help p{font-size:16px;line-height:1.7;color:var(--muted)}.ar-browser-help strong{color:var(--ink)}.ar-browser-help label{display:block;font-size:14px;margin:18px 0 8px}.ar-copy-row{display:flex;gap:10px;flex-wrap:wrap}.ar-copy-row input{min-width:0;flex:1 1 300px;background:var(--stage);border:1px solid var(--line);border-radius:3px;color:var(--ink);font:16px system-ui;padding:12px}.ar-copy-row button{background:var(--accent);color:#231e17;border:0;border-radius:3px;padding:12px 16px;font:600 14px system-ui}.ar-browser-help #copy-ar-status{font-size:14px;color:var(--accent);margin-bottom:0}