:root{--paper:#f5f3ec;--white:#fffef9;--ink:#243b34;--muted:#657169;--line:#dcded3;--green:#284b3e;--sage:#e5eadf;--gold:#b28c50;--fail:#984d38;--serif:Georgia,'Times New Roman',serif;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}a{color:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:wait;opacity:.5}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #b28c50;outline-offset:4px}button{color:inherit}img{max-width:100%;display:block}button svg,a svg{width:18px;height:18px}p{line-height:1.65}.eyebrow{font-size:10px;letter-spacing:.18em;text-transform:uppercase;font-weight:650}.muted{color:var(--muted)}.site-header{height:84px;max-width:1360px;margin:auto;padding:0 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand-mark{width:34px;height:37px;color:var(--green)}.brand-text{font-size:15px;letter-spacing:.13em;font-weight:650}.brand-text small{display:block;font-size:9px;letter-spacing:.17em;color:var(--muted);margin-top:5px}.header-links{display:flex;align-items:center;gap:30px;font-size:12px}.header-links a{text-decoration:none}.header-links a:hover{text-decoration:underline}.book-link{display:inline-flex;align-items:center;justify-content:center;gap:9px;border:1px solid var(--line);border-radius:3px;padding:12px 16px;min-height:44px;text-decoration:none;background:var(--white);font-size:12px}.book-link:hover{border-color:var(--green)}.landing{max-width:1360px;margin:auto;padding:66px 48px 36px}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;margin-bottom:44px}.intro h1{font:normal clamp(40px,4.1vw,62px)/1.08 var(--serif);letter-spacing:-.035em;margin:18px 0 0}.intro h1 em{font-weight:normal;color:#73816d}.intro-copy{max-width:340px;margin:0 0 4px;font-size:14px;color:var(--muted)}.collection-bar{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:24px;font-size:11px;color:var(--muted)}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.home-card{min-width:0}.card-image{display:block;position:relative;overflow:hidden;aspect-ratio:4/3;background:#d6d5c8}.card-image img{width:100%;height:100%;object-fit:cover;transition:transform .45s}.card-image:hover img{transform:scale(1.035)}.card-number{position:absolute;top:16px;left:16px;border:1px solid #ffffff70;background:#f5f3eceb;width:32px;height:32px;display:grid;place-items:center;font:14px var(--serif)}.card-title{display:flex;justify-content:space-between;align-items:center;margin:21px 0 9px}.card-title h2{font:normal 29px var(--serif);margin:0}.card-title a{text-decoration:none}.card-title .arrow{font-size:26px}.card-description{font-size:13px;color:var(--muted);min-height:44px;margin:0 0 19px}.card-stats{display:flex;gap:18px;border-top:1px solid var(--line);padding-top:15px;font-size:11px}.card-stats strong{font-size:13px;font-weight:550;display:block;margin-bottom:4px}.card-stats span{color:var(--muted)}.card-enter{display:inline-flex;align-items:center;gap:10px;font-size:12px;text-decoration:none;padding:18px 0 4px;border-bottom:1px solid #a0aa9d}.collection-note{margin-top:46px;padding:22px 0;border-top:1px solid var(--line);display:flex;gap:35px;justify-content:space-between}.collection-note p{font-size:12px;margin:0;max-width:620px;color:var(--muted)}.collection-note .eyebrow{flex-shrink:0;padding-top:5px}.site-footer{max-width:1264px;margin:0 auto;padding:22px 0 28px;display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);font-size:10px;letter-spacing:.07em;color:var(--muted)}
.home-main{max-width:1440px;margin:auto;padding:24px 48px 42px}.breadcrumb{font-size:11px;color:var(--muted);text-decoration:none}.home-heading{display:flex;justify-content:space-between;align-items:flex-end;margin:18px 0 25px;gap:20px}.home-heading h1{font:normal 43px/1.1 var(--serif);letter-spacing:-.025em;margin:8px 0}.home-heading p{font-size:13px;color:var(--muted);margin:0}.home-meta{display:flex;gap:28px;text-align:right;font-size:10px;color:var(--muted);flex-shrink:0}.home-meta strong{display:block;font:normal 23px var(--serif);color:var(--ink);margin-bottom:6px}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 314px;border:1px solid var(--line);background:var(--white);border-radius:5px;overflow:hidden}.viewer-column{min-width:0}.viewer-toolbar{display:flex;gap:5px;flex-wrap:wrap;padding:10px;background:#fcfbf6;border-bottom:1px solid var(--line);min-height:62px}.viewer-toolbar button{min-height:39px;border:1px solid transparent;background:transparent;border-radius:3px;padding:9px 11px;font-size:11px;line-height:1.25}.viewer-toolbar button:hover{background:var(--sage)}.viewer-toolbar button.on{background:var(--green);color:#fff}.viewer-toolbar #bReset{margin-left:auto;border-color:var(--line)}.viewer{height:480px;position:relative;isolation:isolate;background:#e6e9df;overflow:hidden}.viewer canvas{width:100%;height:100%;display:block;touch-action:none;outline:none}.viewer-label{position:absolute;left:16px;top:16px;z-index:3;pointer-events:none;display:flex;gap:7px;align-items:center;background:#fcfbf2df;padding:8px 10px;font-size:9px;text-transform:uppercase;letter-spacing:.12em;border:1px solid #ffffff90;border-radius:2px}.live-dot{width:5px;height:5px;background:#65805e;border-radius:50%}.loading{position:absolute;inset:0;display:flex;flex-direction:column;gap:13px;align-items:center;justify-content:center;background:var(--sage);z-index:10;padding:25px;text-align:center}.loading strong{font:normal 25px var(--serif)}.loading span{font-size:12px;color:var(--muted)}.loading progress{width:150px;accent-color:var(--green);height:4px}.loading[hidden]{display:none}.viewer-bottom{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 15px;border-top:1px solid var(--line);font-size:10px;min-height:58px}.viewer-bottom label{display:flex;align-items:center;gap:6px;white-space:nowrap;font-size:11px}.viewer-bottom input{accent-color:var(--green);width:16px;height:16px}.viewer-bottom #hint{color:var(--muted);margin:0;line-height:1.45;max-width:650px}.pin-layer{position:absolute;inset:0;pointer-events:none;z-index:2}.room-pin{position:absolute;left:0;top:0;display:grid;place-items:center;width:32px;height:32px;border:3px solid #f9f8ee;border-radius:50%;background:var(--green);color:white;font-size:10px;font-weight:650;box-shadow:0 2px 6px #132f2733;pointer-events:auto;padding:0;transform:translate(-50%,-50%)}.room-pin:hover,.room-pin.selected{background:#a47433;z-index:4}.room-pin[hidden]{display:none}.pin-lines{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;z-index:1}.pin-lines line{stroke:#284b3e;stroke-width:1;opacity:.5}.walk-pad{position:absolute;bottom:15px;right:16px;z-index:5;display:grid;grid-template-columns:repeat(3,42px);grid-template-rows:repeat(2,40px);gap:4px}.walk-pad[hidden]{display:none}.walk-pad button{border:1px solid #b4bdae;background:#fffef2ed;border-radius:4px;font-size:20px;touch-action:none}.walk-pad .forward{grid-column:2}.walk-pad .left{grid-column:1;grid-row:2}.walk-pad .back{grid-column:2;grid-row:2}.walk-pad .right{grid-column:3;grid-row:2}.walk-exit{position:absolute;left:16px;bottom:16px;z-index:5;padding:10px 13px;font-size:11px;background:var(--white);border:1px solid var(--line);border-radius:3px}.walk-exit[hidden]{display:none}.skip-intro{position:absolute;bottom:16px;right:16px;z-index:5;padding:10px 15px;background:var(--white);border:1px solid var(--line);border-radius:3px}.skip-intro[hidden]{display:none}.room-panel{border-left:1px solid var(--line);max-height:600px;overflow:auto;scrollbar-width:thin;scrollbar-color:#bdc6b8 transparent;scroll-margin-top:16px}.panel-header{padding:22px 20px 14px}.panel-header h2{font:normal 25px var(--serif);margin:0 0 7px}.panel-header p{font-size:11px;color:var(--muted);margin:0}.floor-tabs{display:flex;gap:5px;padding:0 20px 13px}.floor-tabs button{flex:1;font-size:11px;padding:9px 12px;min-height:38px;background:transparent;border:1px solid var(--line);border-radius:3px}.floor-tabs button[aria-pressed=true]{background:var(--sage);border-color:#a1af9b}.room-search{margin:0 20px 12px;width:calc(100% - 40px);min-height:39px;padding:9px 11px;border:1px solid var(--line);border-radius:3px;background:#fff;font-size:12px}.room-list{padding:0 10px 12px}.room-row{width:100%;display:flex;align-items:center;gap:11px;padding:11px 10px;text-align:left;border:0;border-bottom:1px solid #eaebe2;background:transparent;min-height:48px}.room-row:hover,.room-row[aria-pressed=true]{background:#e8eddf}.room-row .number{font-size:10px;color:#73816d;min-width:18px}.room-row .name{font-size:12px;flex:1}.room-row .area{font-size:10px;color:var(--muted);white-space:nowrap}.empty-search{font-size:12px;padding:8px 20px}.detail{padding:18px 20px 24px}.detail .back{border:0;background:transparent;padding:4px 0 12px;min-height:36px;color:var(--muted);font-size:11px}.detail h2{font:normal 29px var(--serif);margin:12px 0 16px}.detail-stats{display:flex;gap:24px;padding:13px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.detail-stats strong{font:normal 19px var(--serif);display:block;margin-bottom:5px}.detail-stats span{font-size:10px;color:var(--muted)}.detail-note{font-size:11px;color:var(--muted)}.jump-button{width:100%;min-height:42px;background:var(--green);color:#fff;border:0;border-radius:3px;font-size:12px;margin:5px 0 18px}.detail-source{display:flex;justify-content:space-between;align-items:center;font-size:10px;margin:3px 0 10px}.pdf-image-link{display:block;border:1px solid var(--line);background:white}.pdf-image-link img{width:100%;height:auto;aspect-ratio:1400/1811;object-fit:contain}.detail-source-text{font-size:11px;line-height:1.7;margin:12px 0;white-space:pre-line}.detail .house-check-summary{font-size:11px;padding:12px;background:var(--sage);line-height:1.6;margin-top:16px}.detail .house-check-summary a{display:block;margin-top:5px}.below-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:48px;margin-top:44px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:17px}.section-heading h2{font:normal 29px var(--serif);margin:5px 0}.section-heading p{font-size:12px;color:var(--muted);margin:8px 0 0}.status-badge{font-size:10px;padding:5px 8px;border-radius:2px;background:var(--sage);color:var(--green);white-space:nowrap}.status-badge.fail{color:var(--fail);background:#f2e4db}.checks{border-top:1px solid var(--line)}.check{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.check .label{line-height:1.45}.caveat{font-size:11px;color:var(--muted);padding:13px 15px;background:#ebe9dc;line-height:1.65}.caveat strong{color:var(--ink)}.flaw{padding:15px 0;border-bottom:1px solid var(--line)}.flaw h3{font-size:13px;font-weight:550;margin:0 0 7px}.flaw p{font-size:12px;margin:0;color:var(--muted)}.source-link{font-size:11px;margin-top:16px;display:inline-block}.film{margin-top:44px;border-top:1px solid var(--line);padding-top:31px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:48px;align-items:start}.film h2{font:normal 32px/1.15 var(--serif);margin:14px 0}.film p{font-size:12px;color:var(--muted)}.film video{display:block;width:100%;aspect-ratio:16/9;background:#1d2b25;object-fit:contain;border-radius:4px}.film figcaption{font-size:11px;color:var(--muted);margin-top:10px}.film figure{margin:0}.home-nav{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:36px;padding-top:24px;font-size:12px}.home-nav a{text-decoration:none}.model-note{font-size:11px;color:var(--muted);margin:14px 0 0}.noscript{padding:20px;background:#f2e4db}.home-page .site-header{max-width:1440px}
@media(min-width:1450px){.viewer{height:530px}.room-panel{max-height:650px}}
@media(max-width:1000px){.site-header{padding:0 26px}.landing{padding:45px 26px 25px}.cards{gap:18px}.card-title h2{font-size:25px}.home-main{padding:23px 24px 35px}.workspace{grid-template-columns:minmax(0,1fr) 270px}.viewer-toolbar button{font-size:10px;padding:8px}.viewer{height:430px}.room-panel{max-height:575px}.intro{gap:30px}.intro-copy{max-width:270px}.site-footer{margin:0 26px}.home-meta{gap:18px}.below-grid{gap:30px}.film{gap:30px;grid-template-columns:220px minmax(0,1fr)}}
@media(max-width:650px){.site-header{height:74px;padding:0 20px;gap:12px}.brand{gap:9px}.brand-mark{width:27px;height:31px}.brand-text{font-size:12px;letter-spacing:.1em}.brand-text small{font-size:8px}.header-links{gap:0}.header-links .collection-link{display:none}.book-link{font-size:11px;padding:10px 11px;gap:6px}.book-link svg{width:14px}.landing{padding:34px 20px 14px}.intro{display:block;margin-bottom:29px}.intro h1{font-size:43px;line-height:1.1;margin-top:15px}.intro-copy{max-width:none;font-size:13px;margin-top:20px}.collection-bar{font-size:10px;padding-bottom:12px;margin-bottom:20px}.cards{grid-template-columns:1fr;gap:38px}.card-title{margin-top:17px}.card-title h2{font-size:30px}.card-description{min-height:0;margin-bottom:15px}.card-stats{gap:25px}.card-enter{padding-top:16px}.collection-note{margin-top:32px;display:block;padding:20px 0}.collection-note p{margin-top:12px}.site-footer{margin:0 20px;line-height:1.6;gap:25px;font-size:9px}.home-main{padding:19px 15px 28px}.home-heading{display:block;margin:14px 0 18px}.home-heading h1{font-size:35px;margin:6px 0 8px}.home-heading p{font-size:12px}.home-meta{gap:24px;text-align:left;margin-top:17px}.home-meta strong{font-size:19px;display:inline;margin-right:4px}.home-meta span{font-size:9px}.workspace{grid-template-columns:1fr}.viewer-toolbar{padding:7px;gap:3px;min-height:86px;align-content:center}.viewer-toolbar button{font-size:10px;padding:8px 9px;min-height:34px}.viewer-toolbar #bReset{margin-left:0}.viewer{height:335px}.viewer-label{font-size:8px;top:12px;left:12px}.viewer-bottom{min-height:62px;gap:12px;padding:10px 12px}.viewer-bottom #hint{font-size:10px}.room-panel{border-left:0;border-top:1px solid var(--line);max-height:none}.panel-header{padding:20px 18px 13px}.panel-header h2{font-size:25px}.room-list{max-height:250px;overflow:auto;padding:0 10px 9px}.room-search{margin:0 18px 12px;width:calc(100% - 36px)}.floor-tabs{padding:0 18px 12px}.room-row{min-height:48px}.room-pin{width:30px;height:30px;font-size:9px}.detail{padding:17px 20px 24px}.detail h2{font-size:30px}.detail-stats{gap:38px}.pdf-image-link img{max-height:none}.below-grid{grid-template-columns:1fr;gap:29px;margin-top:30px}.section-heading h2{font-size:27px}.film{grid-template-columns:1fr;gap:13px;margin-top:30px;padding-top:25px}.film h2{font-size:30px;margin:10px 0}.film p{margin:0 0 8px}.film figure{width:100%}.home-nav{gap:20px;font-size:11px}.home-page .site-footer{margin:0 15px}.walk-pad{grid-template-columns:repeat(3,44px);grid-template-rows:repeat(2,44px);gap:5px}}
@media(max-height:500px) and (min-width:651px){.site-header{height:62px}.home-main{padding-top:13px}.home-heading{margin:10px 0 15px}.home-heading h1{font-size:30px}.viewer{height:340px}.room-panel{max-height:502px}.intro h1{font-size:40px}.landing{padding-top:28px}.intro{margin-bottom:25px}.card-title h2{font-size:23px}.card-stats{gap:12px}.viewer-toolbar{min-height:100px}}
.film video{height:auto}
[hidden]{display:none!important}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
/* DH-4475: hero still, action row, stills strip, lightbox, WebGL fallback, release notes */
.hero-still{margin:0 0 12px}.hero-still a{display:block}.hero-still img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;max-height:600px;border-radius:5px;background:#d6d5c8}.hero-caption{font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:10px 0 0}
.hero-actions{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 18px}.hero-actions a{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 16px;border:1px solid var(--line);border-radius:3px;background:var(--white);font-size:12px;text-decoration:none}.hero-actions a:hover{border-color:var(--green)}.hero-actions a.primary{background:var(--green);color:#fff;border-color:var(--green)}
.stills{display:flex;gap:10px;flex-wrap:wrap;margin:0 0 22px}.stills a{display:block;width:180px;text-decoration:none}.stills img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);border-radius:3px;background:#d6d5c8}.stills span{display:block;font-size:10px;color:var(--muted);margin-top:6px;letter-spacing:.06em}
.lightbox{border:0;padding:0;background:transparent;max-width:min(96vw,1400px)}.lightbox::backdrop{background:#1d2b25e6}.lightbox figure{margin:0;position:relative}.lightbox img{max-width:96vw;max-height:84vh;width:auto;height:auto;border-radius:4px;display:block}.lightbox figcaption{color:#f5f3ec;font-size:11px;letter-spacing:.1em;text-transform:uppercase;margin-top:10px;text-align:center}.lightbox-close{position:absolute;top:8px;right:8px;min-width:44px;min-height:44px;border:0;border-radius:3px;background:#fffef9e6;font-size:18px}
.viewer-fallback{position:absolute;inset:0;z-index:9;display:flex;flex-direction:column;background:var(--sage)}.viewer-fallback img{width:100%;flex:1;min-height:0;object-fit:cover}.viewer-fallback p{margin:0;padding:12px 16px;font-size:12px;background:#fcfbf2;border-top:1px solid var(--line)}
.site-footer{flex-wrap:wrap}.release-notes{flex-basis:100%;letter-spacing:.04em;line-height:1.6;text-transform:none}
.checks-brief{font-size:11px;color:var(--muted);margin:4px 0 0}
/* DH-4476: note shown when the Draco candidate model could not load and the earlier GLB is showing */
.viewer-note{position:absolute;right:16px;top:16px;z-index:3;pointer-events:none;background:#fcfbf2df;padding:8px 10px;font-size:9px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);border:1px solid #ffffff90;border-radius:2px}
@media(max-width:650px){.hero-still img{aspect-ratio:4/3;max-height:none}.stills a{width:calc(50% - 5px)}.hero-actions a{flex:1 1 calc(50% - 4px);justify-content:center}}

/* DH-4476b: stills thumbnails keep a 4:3 box */
.stills a img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;object-position:center}