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@media(min-width:1700px){main{padding:40px 50px}.viewer-shell{height:64vh}.sidebar{width:254px}.scene-control{width:220px}.page-heading{margin-bottom:30px}h1{font-size:36px}}
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@media(max-width:850px){.app-header{height:73px;padding:0 17px}.brand{min-width:0}.brand strong{font-size:20px}.brand small{font-size:7px}.brand-mark{width:35px;height:35px;font-size:33px;line-height:31px}.header-center,.edition{display:none}.header-actions{gap:8px}.btn{padding:8px 12px;font-size:12px}.app-shell{display:block}.sidebar{width:100%;padding:9px 12px;background:#f6f2eb;border-right:0;border-bottom:1px solid var(--line)}.nav-label,.sidebar-bottom{display:none}nav{flex-direction:row;gap:2px;justify-content:space-around}.nav-item{padding:9px;justify-content:center;width:auto;flex:1;gap:7px}.nav-item small,.nav-item em{display:none}.nav-item>span:nth-child(2){font-size:12px}.nav-icon{font-size:20px;width:18px}main{padding:24px 20px}.page-heading{margin-bottom:20px}h1{font-size:28px}.viewer-shell{height:560px}.scene-control{width:175px}.overview-bottom{gap:12px}.reference-card{width:190px}.stats-row strong{font-size:28px}.stats-row{padding:15px 0}.stats-row>div{padding:0 12px}.concept-layout{grid-template-columns:1fr}.concept-visual{min-height:300px;height:350px}.palette-row{gap:10px}.palette p{margin:10px;display:block}.palette code{display:block}.slide{padding:35px}.slide-image{gap:25px}.slide-image h2,.slide>h2{font-size:30px}.slide-image p,.slide>p{font-size:15px}.slide-metrics{gap:30px}.slide-metrics strong{font-size:45px}}
@media(max-width:560px){.header-actions .btn{padding:8px 10px;font-size:11px}.brand{gap:7px}.brand strong{letter-spacing:2px;font-size:17px}.brand small{letter-spacing:1px}.nav-icon{display:none}.nav-item{padding:8px 3px}.nav-item>span:nth-child(2){font-size:11px}main{padding:21px 14px}.page-heading p{font-size:11px;max-width:90%;line-height:1.8}h1{font-size:24px}.eyebrow{font-size:9px}.viewer-shell{height:610px}.viewer-top{left:12px;top:13px;right:12px}.view-switch{width:100%;justify-content:space-between}.view-switch button{padding:6px 11px;font-size:11px}.scene-control{top:auto;bottom:65px;left:12px;right:12px;width:auto;padding:10px 14px;display:grid;grid-template-columns:repeat(3,1fr);gap:4px 10px}.control-heading,.control-divider,.light-label{display:none}.switch-row{padding:5px 0;gap:4px}.switch-row span{font-size:10px}.switch-row small{display:none}.switch-row i{flex:none;width:26px}.switch-row input:checked+i:after{transform:translateX(10px)}.light-switch{grid-column:1/3;margin-top:7px}.reset-button{margin:8px 0 0;font-size:10px}.scene-tag{bottom:176px;left:14px;font-size:9px}.viewer-bottom{left:14px;right:14px}.viewer-bottom>span{font-size:8px;gap:5px}.overview-bottom{flex-wrap:wrap}.stats-row{width:100%;flex:auto}.stats-row strong{font-size:30px}.stats-row span{font-size:10px}.reference-card{width:100%;padding:8px 12px}.reference-card img{width:80px;height:47px}.reference-card span{display:flex;gap:20px;align-items:center;justify-content:space-between;width:100%}.reference-card small{margin:0}.section-footer{font-size:8px}.material-grid{gap:12px}.material-art{height:185px;padding:20px}.material-info{padding:12px}.material-info h3{font-size:16px}.material-info p{font-size:9px}.material-info>span{display:none}.content-toolbar{align-items:flex-start}.content-toolbar p{font-size:11px}.plan-drawing{padding:6px}.plan-side{grid-template-columns:1fr 1fr;padding:18px}.zone-row p{font-size:11px}.spec-table td,.spec-table th{font-size:10px;padding:10px 8px}.structure-intro{display:block;padding:18px}.structure-intro .btn{margin-top:15px}.slide{padding:28px}.slide-image{display:flex;flex-direction:column;gap:10px}.slide-image h2{margin:15px 0}.slide-image img{max-height:38vh}.presentation-bottom{padding:0 20px}#slide-dots{display:none}.slide-metrics{gap:22px}.slide-metrics strong{font-size:36px}.dialog-bottom{align-items:flex-start}.scene-error{inset:90px 20px 240px}.palette-row{grid-template-columns:1fr 1fr}.concept-visual h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.layer-diagram{max-width:850px;display:flex;flex-direction:column;gap:10px}.layer-diagram>div{padding:13px 20px;display:flex;gap:23px;align-items:center;border:1px solid #d7bfa1;background:#f1e6d4}.layer-diagram b{color:#b19774;font:19px Georgia}.layer-diagram strong{font-weight:400;color:#855237;font-size:18px}.layer-diagram span{margin-left:auto;font-size:13px;color:#b19774}.export-options{display:grid;grid-template-columns:1fr 1fr;gap:24px}.export-options>div{background:#f0e7d9;border:1px solid #e2d2bc;padding:25px;border-radius:5px}.export-number{font:32px Georgia;color:#b59161}.export-options h3{font:23px var(--serif);color:var(--red)}.export-options p{font-size:14px;line-height:2;color:#90795f;min-height:84px}.export-options .btn{display:flex;width:100%}.auto-playing:after{content:'';position:absolute;left:0;bottom:90px;height:2px;background:var(--gold);animation:slide-progress 6.5s linear infinite}@keyframes slide-progress{from{width:0}to{width:100%}}@media(max-width:560px){.layer-diagram>div{gap:10px;padding:10px}.layer-diagram strong{font-size:13px}.layer-diagram span{font-size:9px}.layer-diagram b{font-size:15px}.export-options{grid-template-columns:1fr}.export-options p{min-height:0}.export-options>div{padding:18px}}
.viewer-corner-label{display:none}.compare-button{pointer-events:auto;border:1px solid #d2b58c66;background:#fffaefd9;color:#86623e;border-radius:4px;padding:6px 12px;font-size:11px}.comparison-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.comparison-grid figure{margin:0;background:#e8e0d5;border:1px solid #dac9b5;border-radius:4px;overflow:hidden}.comparison-grid figcaption{font-size:11px;padding:10px 13px;color:#997958}.comparison-grid img{width:100%;height:auto;display:block;aspect-ratio:16/9;object-fit:contain;background:#201d1b}.comparison-notes{display:flex;gap:16px;margin-top:22px}.comparison-notes>div{flex:1;font-size:12px;padding:15px;background:#f0e7d9}.comparison-notes b{display:block;color:var(--red);margin-bottom:8px}.comparison-notes span{color:#9a8065;font-size:11px;line-height:1.8}@media(max-width:560px){.compare-button{position:absolute;top:50px;right:0;font-size:10px;padding:5px 9px}.comparison-grid{grid-template-columns:1fr}.comparison-notes{flex-direction:column;gap:8px}.comparison-notes>div{padding:10px}}
.viewer-actions{display:flex;gap:8px;pointer-events:auto}.model-download{background:#95352d;color:#fff8e9;border-color:#95352d}.model-download:hover{background:#792a24;color:white}@media(max-width:560px){.viewer-actions{position:absolute;top:50px;right:0}.viewer-actions .compare-button{position:static;top:auto;right:auto}}
@media(max-width:560px){#three-container,#scene-labels{bottom:145px}.viewer-shell{background:#171a1f}.viewer-shell:fullscreen #three-container,.viewer-shell:fullscreen #scene-labels{bottom:145px}}

.component-measurement{position:absolute;z-index:3;top:84px;left:22px;width:min(258px,calc(100% - 44px));box-sizing:border-box;padding:16px 17px 14px;border:1px solid #d5b989;border-radius:7px;background:#fffaf0ee;box-shadow:0 12px 32px #17100c38;backdrop-filter:blur(12px);pointer-events:none;color:#38291f}
.component-measurement[hidden],.component-measurement [hidden]{display:none}
.measurement-kicker{display:block;margin-bottom:9px;color:#9a5935;font-size:9px;font-weight:700;letter-spacing:1.5px}
.measurement-title{display:block;font-size:16px;line-height:1.4}
.measurement-hint{font-size:11px;line-height:1.65;color:#75665a;margin:7px 0 0}
.measurement-values{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;margin-top:13px}
.measurement-values>div{padding:9px 5px;background:#f4e9d9;border:1px solid #eadac5;border-radius:3px;text-align:center}
.measurement-values span{display:block;color:#8c7966;font-size:9px;margin-bottom:5px}
.measurement-values b{display:block;color:#803b2c;font-size:12px;white-space:nowrap}
.measurement-note{display:block;margin-top:9px;color:#9a8b79;font-size:9px;line-height:1.4}
@media(max-width:560px){.component-measurement{top:58px;left:12px;width:min(224px,calc(100% - 24px));padding:12px}.measurement-title{font-size:14px}.measurement-values{gap:4px;margin-top:9px}.measurement-values>div{padding:7px 3px}.measurement-values b{font-size:11px}}
@media(max-width:420px){.header-actions .btn span{display:none}.header-actions .btn{font-size:18px;min-width:34px;padding:5px 9px}.brand strong,.brand small{white-space:nowrap}.app-header{gap:15px}.switch-row span{white-space:nowrap;font-size:10px}}