/* Engineering Lab: a quiet, tactile workbench for real 3D examples. */
.eng-page{--mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--stage:#e9e4d9;background:#f3eee6}
.eng-page .wrap{width:min(1440px,calc(100% - 96px));margin-inline:auto}
.eng-page>.site-header{position:relative;top:auto;left:auto;transform:none;height:106px}
.eng-intro{display:grid;grid-template-columns:1.12fr 1fr;align-items:end;gap:7%;padding:36px 0 42px}
.eng-intro .eyebrow{font-size:10px;margin-bottom:18px}
.eng-intro h1{font-size:clamp(48px,5.6vw,88px);line-height:1.01;letter-spacing:-.065em}
.eng-intro h1 em{color:var(--green)}
.eng-intro-copy>p:first-child{max-width:480px;font-size:clamp(16px,1.3vw,19px);line-height:1.6;color:#39443a}
.eng-intro-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:22px}
.eng-intro-actions .button{min-height:54px;font-size:14px}
.eng-intro .local-note{font-size:11px;margin-top:15px}
.eng-viewer{border:1px solid #21382a;box-shadow:0 20px 60px #192d1e14;border-radius:18px;overflow:hidden;background:#172c23;scroll-margin-top:20px}
.workbench-top{display:flex;justify-content:space-between;gap:18px;align-items:center;padding:17px 22px;color:var(--panel);border-bottom:1px solid #ffffff18}
.bench-label{font:600 10px/1.5 var(--mono);letter-spacing:.11em;display:flex;gap:10px;align-items:center}
.bench-label small{color:#bcc8ba;font:400 11px/1.5 Inter,sans-serif;letter-spacing:0;margin-left:10px}
.live-dot{height:6px;width:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px #deecbc44}
.model-switch{display:flex;background:#0d2018;padding:4px;border-radius:8px;gap:4px}
.model-switch button{border:0;background:transparent;color:#c4d0c0;padding:10px 17px;min-height:42px;font-size:12px;font-weight:600;border-radius:5px}
.model-switch button span{font:10px var(--mono);margin-right:12px;opacity:.6}
.model-switch button[aria-pressed=true]{background:var(--lime);color:#172c23;box-shadow:0 2px 5px #0002}
.workbench-body{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:0}
.viewer-stage{position:relative;height:580px;min-width:0;overflow:hidden;background:radial-gradient(ellipse at 50% 38%,#f7f4ed 0,#e8e3d8 70%,#d7d2c4);isolation:isolate;touch-action:pan-y}
.viewer-stage[data-drawing=on]{background:#fafaf7}
.viewer-stage::before{content:"";position:absolute;inset:0;z-index:1;pointer-events:none;background-image:linear-gradient(#183d2f09 1px,transparent 1px),linear-gradient(90deg,#183d2f09 1px,transparent 1px);background-size:38px 38px;mask-image:radial-gradient(ellipse,#000,transparent 90%)}
.viewer-poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;opacity:.75}
.viewer-stage[data-state=live] .viewer-poster{display:none}
.viewer-canvas{position:absolute;inset:0;width:100%;height:100%;z-index:2;opacity:0;transition:opacity .5s;cursor:grab;outline-offset:-4px}
.viewer-canvas:active{cursor:grabbing}
.viewer-canvas:focus-visible{outline:3px solid #597b31}
.viewer-stage[data-state=live] .viewer-canvas{opacity:1}
.hud-top{position:absolute;z-index:3;top:23px;left:24px;right:24px;display:flex;justify-content:space-between;gap:25px;font:500 9px/1.5 var(--mono);letter-spacing:.06em;color:#455546;pointer-events:none}
.hud-top b{font-weight:600}
.hud-meta{max-width:60%;text-align:right}
.hud-foot{position:absolute;z-index:3;left:24px;bottom:21px;font-size:10px;color:#566054;pointer-events:none}
.viewer-status{position:absolute;z-index:4;left:50%;top:50%;transform:translate(-50%,-50%);font-size:12px;text-align:center;min-width:220px;color:var(--ink);background:#faf8f2ed;border:1px solid var(--line);border-radius:30px;padding:12px 20px}
.viewer-stage[data-state=live] .viewer-status{display:none}
.camera-controls{position:absolute;z-index:3;bottom:48px;left:50%;transform:translateX(-50%);display:flex;gap:2px;border:1px solid #3c51352b;background:#faf8f2ee;border-radius:30px;padding:4px;box-shadow:0 4px 16px #183d2f0d;white-space:nowrap}
.camera-controls button{min-height:40px;min-width:42px;border:0;border-radius:25px;background:transparent;font-size:11px;padding:8px 12px;color:#203c2e}
.camera-controls button:hover{background:var(--lime)}
.camera-controls span{width:1px;margin:9px 5px;background:var(--line)}
.camera-controls [data-zoom]{font-size:20px;padding:0}
.model-inspector{padding:32px 25px 22px;color:var(--panel);display:flex;flex-direction:column;min-width:0}
.model-inspector .eyebrow{font:9px/1.5 var(--mono);color:#afc6a0;letter-spacing:.12em;margin-bottom:22px}
.model-overview h2{font-size:34px;line-height:1.08;letter-spacing:-.04em;color:#faf8f2;margin-bottom:18px}
.model-overview p{font-size:13px;line-height:1.7;color:#c4cfc0}
.model-dimensions{display:flex;flex-wrap:wrap;gap:8px 18px;margin-top:21px;padding-top:16px;border-top:1px solid #deecbc25;color:#cfddc6;font:9px/1.6 var(--mono)}
.part-label{font-size:11px;color:#d0dacb;margin:25px 0 8px}
.model-inspector select{max-width:100%;min-width:0;width:100%;background:#203b2e;color:#faf8f2;border:1px solid #c5d7b746;border-radius:7px;min-height:44px;padding:9px 11px;font:12px Inter,sans-serif;cursor:pointer}
.model-inspector select:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
.part-card{padding-top:20px}
.part-card[hidden]{display:none}
.part-card-num{font:10px var(--mono);color:#bdd597;display:block;margin-bottom:7px}
.part-card h2{font-size:22px;color:var(--panel);letter-spacing:-.03em;margin-bottom:10px}
.part-card p{color:#ccd6c6;font-size:12px;line-height:1.65}
.part-card-close{min-height:42px;padding:8px 0;background:none;border:0;color:var(--lime);font-size:11px;margin-top:5px;text-align:left}
.model-inspector:has(.part-card:not([hidden])) .model-overview{display:none}
.inspector-bottom{margin-top:auto;padding-top:25px}
.build-button{display:flex;justify-content:center;align-items:center;gap:12px;width:100%;min-height:47px;border:0;background:var(--lime);color:var(--green);border-radius:7px;font-size:13px;font-weight:650}
.build-button span{font-size:20px}
.build-button[aria-pressed=true]{background:#f5edda}
.inspector-bottom p{color:#aabd9d;font-size:10px;line-height:1.6;margin-top:13px}
.viewer-controls{display:grid;grid-template-columns:minmax(160px,1fr) auto;gap:26px 48px;padding:22px 26px 19px;background:var(--panel)}
.control-explode{max-width:400px;min-width:0;width:100%}
.control-explode label{display:flex;justify-content:space-between;font-size:12px;font-weight:600;line-height:1.3;color:#243d2d}
.control-explode output{font:11px var(--mono)}
.control-explode input{display:block;accent-color:var(--green);height:30px;margin:3px 0 0;width:100%;cursor:ew-resize}
.range-ends{display:flex;justify-content:space-between;font:9px var(--mono);color:var(--muted)}
.control-buttons{display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.control-buttons button,.part-chips button{min-height:44px;border:1px solid var(--line);border-radius:30px;padding:9px 15px;background:transparent;font-size:12px;line-height:1.3;font-weight:550}
.control-buttons button:hover,.part-chips button:hover{background:#e5eccf}
.control-buttons button[aria-pressed=true],.part-chips button[aria-pressed=true]{background:var(--green);color:var(--panel);border-color:var(--green)}
.eng-viewer button:disabled{opacity:.45;cursor:default}
.parts-drawer{background:var(--panel);border-top:1px solid var(--line);padding:0 26px}
.parts-drawer summary{font-size:11px;list-style:none;display:flex;justify-content:space-between;align-items:center;min-height:48px;cursor:pointer}
.parts-drawer summary::-webkit-details-marker{display:none}
.parts-drawer summary span{font-size:18px}
.part-chips{display:flex;gap:7px;flex-wrap:wrap;padding:6px 0 22px}
.part-chips button{font-size:11px}
.part-chips button span{font:9px var(--mono);margin-right:8px;opacity:.65}
.lab-caption{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:23px 0;border-bottom:1px solid var(--line)}
.lab-caption>p{font-size:11px}
.lab-caption>div{display:flex;gap:25px}
.eng-page .lab-caption a{font-size:11px;min-height:40px;display:flex;align-items:center;gap:13px}
.eng-page .lab-position{padding-block:85px}
.eng-page .lab-position .lead{font-size:20px;line-height:1.65}
.eng-page .lab-position p:not(.eyebrow):not(.lead){font-size:14px}
.eng-page .research-card{border-radius:12px}
.eng-page .research-invite{border-radius:12px;background:var(--green)}
.eng-page .research-card h3{font-size:27px}
.gallery-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.gallery-grid figure{min-width:0;background:transparent}
.gallery-grid button{display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:10px;background:#e9e4d9;overflow:hidden;position:relative;cursor:zoom-in}
.gallery-grid img{width:100%;height:auto;aspect-ratio:1.25;object-fit:cover;transition:transform .3s}
.gallery-grid button:hover img{transform:scale(1.05)}
.gallery-open{position:absolute;right:12px;bottom:12px;width:35px;height:35px;display:grid;place-items:center;background:#faf8f2ed;border-radius:50%;font-size:20px}
.gallery-grid figcaption{font-size:12px;line-height:1.5;display:flex;gap:13px;margin-top:13px;color:#2c3f30}
.gallery-grid figcaption span{font:10px/1.8 var(--mono);opacity:.6}
.eng-videos{border-top:1px solid var(--line)}
.video-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.video-card{min-width:0;border:1px solid var(--line);border-radius:11px;overflow:hidden;background:var(--panel)}
.video-card video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#1d2125;object-fit:cover}
.video-copy{padding:23px}
.video-copy>span{display:block;font:9px var(--mono);letter-spacing:.1em;color:var(--accent);margin-bottom:13px}
.video-copy h3{font-size:24px;margin-bottom:12px}
.video-copy p{font-size:13px;line-height:1.7}
.video-cta{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-top:25px;padding:19px 24px;background:#e7e6d8;border-radius:12px}
.video-cta p{font-size:14px;color:var(--ink)}
.spec-list{margin:0;border-top:1px solid var(--line)}
.spec-list>div{display:grid;grid-template-columns:105px 1fr;gap:18px;padding-block:14px;border-bottom:1px solid var(--line)}
.spec-list dt{font:10px/1.8 var(--mono);text-transform:uppercase;color:var(--muted)}
.spec-list dd{margin:0;font-size:14px;color:var(--ink)}
.render-dialog{width:min(1200px,calc(100% - 32px));max-height:calc(100dvh - 32px);padding:0;border:1px solid #ffffff33;border-radius:14px;background:var(--panel);color:var(--ink);overflow:auto}
.render-dialog::backdrop{background:#07190feb;backdrop-filter:blur(8px)}
.render-toolbar,.render-navigation{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 22px}
.render-toolbar p{font-size:13px;color:var(--ink)}
.render-close{font-size:26px;width:44px;height:44px;background:none;border:0;flex:none}
.render-dialog>img{display:block;width:100%;height:min(65dvh,750px);object-fit:contain;background:#e9e4d9}
.render-navigation button{background:none;border:0;min-height:44px;font-size:12px}
.render-navigation>span{font:11px var(--mono)}
@media(min-width:1600px){.viewer-stage{height:660px}.workbench-body{grid-template-columns:minmax(0,1fr) 330px}.model-inspector{padding:40px 32px}.model-overview h2{font-size:40px}.eng-intro{padding-top:50px;padding-bottom:52px}}
@media(max-width:1100px){.eng-page .wrap{width:calc(100% - 48px)}.eng-intro{gap:5%;padding-top:22px}.eng-intro-actions{gap:8px 20px}.bench-label small{display:none}.workbench-body{grid-template-columns:minmax(0,1fr) 255px}.model-inspector{padding:26px 20px}.viewer-stage{height:535px}.model-overview h2{font-size:31px}.viewer-controls{gap:24px}.control-buttons button{font-size:11px;padding-inline:12px}.eng-page .desktop-nav{gap:14px}.gallery-grid,.video-grid{gap:16px}}
@media(max-width:760px){.eng-page .wrap{width:calc(100% - 32px)}.eng-page>.site-header{height:82px}.eng-intro{display:block;padding:20px 4px 30px}.eng-intro h1{font-size:clamp(42px,9vw,64px)}.eng-intro-copy{margin-top:21px}.eng-intro-copy>p:first-child{font-size:15px;max-width:480px}.eng-intro .eyebrow{font-size:8px;letter-spacing:.13em}.eng-intro .local-note{font-size:10px}.eng-intro-actions{gap:8px 20px;margin-top:19px}.eng-intro-actions .button{font-size:13px;min-height:50px;padding:13px 20px}.eng-intro-actions .text-link{font-size:12px}.workbench-top{display:block;padding:16px}.bench-label{font-size:9px;margin-bottom:14px}.bench-label small{display:inline;margin-left:auto;font-size:10px}.model-switch{width:100%;display:grid;grid-template-columns:1fr 1fr}.model-switch button{padding:10px 8px;font-size:11px}.model-switch button span{margin-right:7px}.workbench-body{display:block}.viewer-stage{width:100%;height:clamp(320px,105vw,570px);aspect-ratio:auto;min-height:0;max-height:570px}.hud-top{top:15px;left:16px;right:16px;font-size:8px}.hud-meta{display:none}.hud-foot{left:0;right:0;bottom:14px;text-align:center;font-size:9px}.camera-controls{bottom:38px}.model-inspector{display:block;padding:19px 18px 18px}.model-inspector .eyebrow,.model-dimensions,.model-overview p{display:none}.model-overview h2{font-size:22px;margin:0 0 17px}.model-overview h2 br{display:none}.part-label{display:block;font-size:10px;margin:0 0 7px}.model-inspector select{min-height:44px}.inspector-bottom{display:flex;gap:20px;align-items:center;padding-top:15px}.build-button{width:auto;min-width:144px;font-size:12px;padding:10px 13px}.inspector-bottom p{font-size:9px;margin:0}.part-card{padding-top:18px}.part-card p{font-size:13px}.viewer-controls{grid-template-columns:1fr;padding:20px 18px 17px;gap:17px}.control-explode{max-width:none}.control-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px}.control-buttons button{font-size:10px;min-height:44px;padding:8px 4px}.parts-drawer{padding-inline:18px}.lab-caption{display:block;padding:18px 4px 10px}.lab-caption>p{font-size:10px}.lab-caption>div{gap:20px;margin-top:8px}.eng-page .lab-caption a{font-size:10px;gap:8px}.eng-page .lab-position{padding-block:62px}.gallery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:23px 14px}.gallery-grid figcaption{font-size:11px;gap:8px}.gallery-grid img{aspect-ratio:1/1.1}.gallery-open{width:29px;height:29px;right:8px;bottom:8px}.video-grid{grid-template-columns:1fr}.video-copy{padding:24px}.video-copy h3{font-size:25px}.video-cta{padding:20px;align-items:stretch;flex-direction:column}.video-cta .button{width:100%}.spec-list>div{grid-template-columns:1fr;gap:3px}.render-toolbar,.render-navigation{padding:10px 14px}.render-toolbar p{font-size:12px}.eng-page .section-heading h2{font-size:38px}.eng-page .research-card h3{font-size:27px}}
@media(max-width:360px){.eng-intro h1{font-size:39px}.eng-intro-actions{display:block}.eng-intro-actions .button{width:100%}.eng-intro-actions .text-link{margin-top:6px}.model-switch button{font-size:10px}.model-switch button span{margin-right:4px}.inspector-bottom{gap:12px}.gallery-grid{grid-template-columns:1fr}.gallery-grid img{aspect-ratio:1.4}.bench-label small{display:none}}
@media(prefers-reduced-motion:reduce){.viewer-canvas,.gallery-grid img{transition:none}}
@media print{.viewer-controls,.camera-controls,.model-switch,.parts-drawer,.render-dialog{display:none!important}.viewer-poster{display:block!important}.viewer-canvas{display:none}.model-inspector{color:black;background:#eee}.workbench-top{color:black;background:#eee}}

@media(max-width:760px){.render-dialog>img{height:auto;max-height:70dvh}.eng-intro-actions .text-link{min-height:44px}}