:root{color-scheme:light;--bg:#f6f5f1;--text:#26332e;--muted:#69766c;--muted-2:#727b70;--border:#d6d9d1;--border-accent:#8c9b83;--panel:#eeefe8;--panel-hover:#dee3d7;--white:#fff;--overlay:#f6f5f1e8;--stage-overlay:#f7f6efda;--stage-bg:#dbe0d6;--accent:#30483a;--accent-fg:#fff;--warning:#885b42;--focus:#a85732}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--bg:#15191a;--text:#e6e4dc;--muted:#a3aaa0;--muted-2:#a3aaa0;--border:#2e3532;--border-accent:#3a4440;--panel:#1e2423;--panel-hover:#262d2b;--white:#1a1f1e;--overlay:#15191ae8;--stage-overlay:#1e2423da;--stage-bg:#1e2423;--accent:#8fb39c;--accent-fg:#13221c;--warning:#d9a27a}}
:root[data-theme="dark"]{color-scheme:dark;--bg:#15191a;--text:#e6e4dc;--muted:#a3aaa0;--muted-2:#a3aaa0;--border:#2e3532;--border-accent:#3a4440;--panel:#1e2423;--panel-hover:#262d2b;--white:#1a1f1e;--overlay:#15191ae8;--stage-overlay:#1e2423da;--stage-bg:#1e2423;--accent:#8fb39c;--accent-fg:#13221c;--warning:#d9a27a}
*{box-sizing:border-box}html{scrollbar-gutter:stable}body{margin:0;background:var(--bg);color:var(--text);font:15px/1.55 'Avenir Next',Avenir,Arial,sans-serif}button,input,select{font:inherit}button{cursor:pointer;color:inherit}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--focus);outline-offset:4px}a{color:inherit;text-underline-offset:4px}img{max-width:100%;display:block}h1,h2,h3,p,figure{margin:0}h1{font:500 clamp(40px,5.4vw,76px)/1.08 Georgia,serif;letter-spacing:-.035em}h2{font:400 clamp(30px,3vw,43px)/1.15 Georgia,serif;letter-spacing:-.02em}h3{font-size:18px;font-weight:600}.masthead,main,footer{max-width:1600px;margin:auto;padding-left:clamp(20px,4vw,72px);padding-right:clamp(20px,4vw,72px)}.masthead{height:88px;display:flex;align-items:center;gap:36px;border-bottom:1px solid var(--border);font-size:12px;letter-spacing:.07em}.masthead a:last-child{margin-left:auto;letter-spacing:0}.wordmark{font-weight:700;text-decoration:none}.intro{display:flex;align-items:flex-end;justify-content:space-between;padding:64px 0 48px;gap:30px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;margin-bottom:13px;color:var(--muted)}.intro-note{font-size:17px;line-height:1.75;padding-bottom:4px}.intro-note span{font-size:12px;color:var(--muted)}.alternatives{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.alternatives button{position:relative;text-align:left;border:1px solid var(--border);background:transparent;padding:0 0 20px;overflow:hidden;border-radius:2px}.alternatives button[aria-pressed=true]{border:2px solid var(--accent);padding-bottom:19px;background:var(--panel)}.alternatives img{width:100%;aspect-ratio:1.85;object-fit:cover;background:var(--panel)}.option-number{position:absolute;top:14px;left:18px;font-size:12px;background:var(--overlay);padding:3px 9px}.alternatives strong,.alternatives button>span:last-child{display:block;margin:14px 20px 0}.alternatives strong{font-size:20px}.alternatives button>span:last-child{margin-top:4px;font-size:12px;color:var(--muted)}.figures{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid var(--border);padding:25px 0;gap:20px}.figures span{display:block;font-size:11px;letter-spacing:.05em;color:var(--muted)}.figures strong{display:block;font-size:23px;font-weight:500;margin-top:5px}.caution{font-size:12px;color:var(--warning);padding:13px 0;min-height:48px}.chapter{padding-top:60px;margin-top:18px;border-top:1px solid var(--border);scroll-margin-top:20px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:28px}.section-heading>span{color:var(--muted);font-size:12px}.toolbar{display:flex;justify-content:space-between;gap:15px;align-items:center;flex-wrap:wrap;padding:14px 16px;background:var(--panel);border:1px solid var(--border)}.segmented{display:flex;gap:4px;flex-wrap:wrap}.segmented button,.drawing-actions button,.toolbar a,.under-stage button,#play-sun,.model-controls button{background:transparent;border:1px solid transparent;padding:9px 13px;border-radius:2px;font-size:12px;text-decoration:none;white-space:nowrap}.segmented button[aria-pressed=true]{background:var(--accent);color:var(--accent-fg)}.segmented button:hover:not([aria-pressed=true]),.drawing-actions button:hover,.toolbar a:hover{background:var(--panel-hover)}.drawing-actions{display:flex;gap:3px}.plan-layout{display:grid;grid-template-columns:minmax(0,1fr) 230px;border:1px solid var(--border);border-top:0;background:var(--white)}.drawing{background:#fff;overflow:hidden}.drawing svg{display:block;width:100%;height:100%;max-width:100%}.drawing.plan{height:900px;touch-action:pan-y;cursor:grab}.drawing.plan:active{cursor:grabbing}.drawing [data-room]{cursor:pointer}.drawing [data-room]:hover polygon{stroke:#30483a;stroke-width:.055}.plan-note{padding:30px 22px;border-left:1px solid var(--border);font-size:13px}.plan-note h3{font-size:19px;margin-bottom:12px}.plan-note>p:not(.eyebrow){min-height:95px}.layer-controls{display:grid;gap:12px;margin:25px 0;padding-top:22px;border-top:1px solid var(--border)}.layer-controls label,.model-controls label{display:flex;align-items:center;gap:8px;font-size:12px}input[type=checkbox]{accent-color:var(--accent)}.legend{display:grid;gap:7px;font-size:11px}.legend i{display:inline-block;width:10px;height:10px;margin-right:8px;border:1px solid var(--border)}.legend .old{background:#ece7d8}.legend .family{background:#e6ece0}.legend .rental{background:#ece5ee}.fine{font-size:12px;color:var(--muted-2);margin-top:15px;max-width:1000px;line-height:1.65}.solar-controls{display:flex;gap:22px;align-items:center;flex-wrap:wrap;padding:0 0 22px}.solar-controls label{font-size:12px;display:flex;align-items:center;gap:12px}.solar-controls input[type=date]{border:1px solid var(--border);background:transparent;padding:7px;width:145px}.time-control{flex:1;min-width:230px}.time-control input{width:100%;accent-color:var(--accent);min-width:80px}.time-control output{font-variant-numeric:tabular-nums}#play-sun{border:1px solid var(--border)}.model-controls{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.model-controls select{border:0;background:transparent;font-size:12px}.stage{position:relative;background:var(--stage-bg);overflow:hidden}.stage canvas{display:block;width:100%;height:100%;outline:none}.exterior,.interior{height:660px}.stage-label{position:absolute;left:22px;top:20px;z-index:1;pointer-events:none;background:var(--stage-overlay);padding:8px 12px;font-size:11px;letter-spacing:.04em}.stage-label span{display:block;font-size:10px;color:var(--muted);margin-top:3px}.compass{position:absolute;bottom:22px;left:22px;font-size:11px;color:var(--accent);background:var(--stage-overlay);padding:8px}.under-stage{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:13px 0;border-bottom:1px solid var(--border);font-size:12px;color:var(--muted);min-height:52px;font-variant-numeric:tabular-nums}.render-heading{display:flex;align-items:baseline;justify-content:space-between;gap:20px;margin:40px 0 18px}.render-heading span{font-size:11px;color:var(--muted)}.render-gallery{display:grid;grid-template-columns:1fr 1fr;gap:20px}.render-gallery img{width:100%;aspect-ratio:1.5;object-fit:cover;background:var(--panel)}.render-gallery figcaption{font-size:11px;margin-top:10px;color:var(--muted)}.study-summary{display:grid;grid-template-columns:1fr auto;gap:10px;margin:24px 0}.study-summary p{grid-column:1/-1;font-size:13px;color:var(--muted)}.study-summary span{font-size:13px}details{border-bottom:1px solid var(--border);padding:18px 0;font-size:13px}summary{cursor:pointer;font-size:14px}details>p{max-width:900px;margin-top:16px}.mini-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px;padding:24px 0}.mini-plan svg{width:100%;height:460px}.mini-grid h3{font-size:14px}.section-drawing{height:520px;border:1px solid var(--border);border-top:0}.drawing-footer{display:flex;justify-content:space-between;gap:16px;padding:12px 0;font-size:12px;color:var(--muted)}.downloads{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:20px}.downloads a{padding:22px 0;border-top:1px solid var(--border-accent);text-decoration:none}.downloads strong,.downloads span{display:block}.downloads span{font-size:12px;color:var(--muted);margin-top:6px}footer{display:flex;justify-content:space-between;gap:20px;padding-top:60px;padding-bottom:35px;font-size:11px;color:var(--muted)}[hidden]{display:none!important}
img{height:auto}.interior-render{margin:28px 0}.interior-render img{width:100%;height:auto;object-fit:contain;background:var(--panel)}.interior-render figcaption{font-size:11px;color:var(--muted);margin-top:10px}
.intro-note br{white-space:normal}
@media(min-width:1600px){.drawing.plan{height:1020px}}@media(max-width:1000px){.plan-layout{grid-template-columns:minmax(0,1fr) 195px}.plan-note{padding:25px 15px}.drawing.plan{height:790px}.exterior,.interior{height:550px}.masthead{gap:16px}.toolbar{padding:10px}.segmented button{padding:8px 10px}}
@media(max-width:650px){.alternatives{grid-template-columns:1fr 1fr}.masthead{height:65px;font-size:10px}.masthead>span{display:none}.intro{display:block;padding:38px 0 30px}.intro-note{font-size:13px;margin-top:22px}.intro-note br{display:none}.intro-note span{display:block}.alternatives{gap:8px}.alternatives img{aspect-ratio:1.15}.alternatives strong{font-size:13px;margin:10px 8px 0}.alternatives button>span:last-child{font-size:10px;line-height:1.4;margin:5px 8px 0}.option-number{top:7px;left:7px;font-size:10px;padding:1px 4px}.figures{grid-template-columns:1fr 1fr;gap:17px}.figures strong{font-size:19px}.chapter{padding-top:34px;margin-top:26px}.section-heading{margin-bottom:20px}.section-heading>span{max-width:120px;text-align:right}.plan-layout{display:block}.drawing.plan{height:660px}.plan-note{border-left:0;border-top:1px solid var(--border);padding:18px}.plan-note>p:not(.eyebrow){min-height:0}.layer-controls{grid-template-columns:1fr 1fr;gap:10px;margin:15px 0;padding-top:15px}.legend{display:flex;gap:14px}.plan-note .fine{display:none}.exterior,.interior{height:460px}.solar-controls{gap:15px}.time-control{flex-basis:100%}.solar-controls>.segmented{width:100%}.model-controls{gap:10px}.under-stage{font-size:10px;align-items:flex-start}.render-heading{display:block}.render-heading span{display:block;margin-top:8px}.render-gallery{grid-template-columns:1fr}.mini-grid{grid-template-columns:1fr}.mini-plan svg{height:390px}.section-drawing{height:330px}.drawing-footer{font-size:10px}.downloads{grid-template-columns:1fr;gap:0}.stage-label{left:12px;top:12px;font-size:10px}.toolbar{gap:6px}.segmented{gap:2px}.segmented button{font-size:11px;padding:8px}.section-heading .eyebrow{font-size:10px}.study-summary h3{font-size:16px}footer{font-size:10px}}
.masthead .theme-toggle{height:32px;padding:0 14px;border:1px solid var(--border);border-radius:16px;background:transparent;color:inherit;font:inherit;font-size:11px;letter-spacing:.07em;cursor:pointer;white-space:nowrap}
.masthead .theme-toggle:hover{background:var(--panel)}
@media(prefers-color-scheme:dark){:root:not([data-theme="light"]) .drawing,:root:not([data-theme="light"]) .mini-plan svg{border:1px solid var(--border)}}
:root[data-theme="dark"] .drawing,:root[data-theme="dark"] .mini-plan svg{border:1px solid var(--border)}

.intro.compact{padding:44px 0 26px}.variant-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:8px}.variant-tabs button{text-align:left;background:var(--panel,#eeefe8);border:1px solid var(--border,#d6d9d1);border-bottom:3px solid transparent;padding:16px 18px 14px;border-radius:2px;position:relative}.variant-tabs button[aria-pressed=true]{border-bottom-color:var(--accent,#30483a);background:var(--white,#fff)}.variant-tabs .option-number{position:static;display:inline-block;margin-bottom:8px;background:transparent;padding:0;font-size:11px;letter-spacing:.08em;color:var(--muted,#69766c)}.variant-tabs strong{display:block;font-size:19px;margin-bottom:5px}.variant-tabs button>span:last-child{display:block;font-size:12px;color:var(--muted-2,#727b70);line-height:1.45}
.vis .hero{margin:0 0 18px}.vis .hero img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--panel,#e5e6df);border:1px solid var(--border,#d6d9d1)}.vis figcaption{font-size:11px;margin-top:9px;color:var(--muted-2,#63705f)}.vis-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.vis-grid img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--panel,#e5e6df);border:1px solid var(--border,#d6d9d1)}.vis .figures{margin-top:34px;border-top:1px solid var(--border,#d6d9d1)}
.link-explainer{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:36px;align-items:start}.link-drawing{border:1px solid var(--border,#d6d9d1);background:#fff;min-height:320px}.link-drawing svg{display:block;width:100%;height:auto;max-height:520px}.link-text{font-size:14px;line-height:1.7}.link-text ul{padding-left:18px;margin:16px 0}.link-text li{margin-bottom:9px}
@media(max-width:1000px){.vis-grid{grid-template-columns:1fr 1fr}.link-explainer{grid-template-columns:1fr}}
@media(max-width:650px){.variant-tabs{grid-template-columns:1fr;gap:6px}.variant-tabs button{padding:12px 14px 10px}.variant-tabs strong{font-size:15px}.vis-grid{grid-template-columns:1fr;gap:12px}.intro.compact{padding:30px 0 18px}}
.masthead .site-nav{display:flex;gap:4px;margin-left:auto}.masthead .site-nav a{text-decoration:none;padding:7px 12px;border-radius:16px}.masthead .site-nav a:hover{background:var(--panel)}.masthead .site-nav a[aria-current=page]{background:var(--accent);color:var(--accent-fg)}.masthead .site-nav~a:last-child{margin-left:0}
.masthead .site-nav a,.masthead .wordmark{white-space:nowrap}
@media(max-width:650px){.masthead .site-nav{gap:0}.masthead .site-nav a{padding:6px 7px}.masthead .site-nav~a:last-child{display:none}}
@media(max-width:480px){.masthead:has(.site-nav) .wordmark{display:none}.masthead .site-nav{margin-left:0}.masthead .theme-toggle{margin-left:auto}}