:root{color-scheme:light;--ink:#172332;--muted:#607080;--line:#dce5e9;--paper:#fff;--soft:#f3f7f8;--accent:#1d716f;--accent-dark:#114d52;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#edf3f4;color:var(--ink)}a{color:inherit}.topbar{position:sticky;top:0;z-index:10;display:flex;justify-content:space-between;align-items:center;padding:12px max(18px,calc((100vw - 1180px)/2));background:rgba(255,255,255,.95);border-bottom:1px solid var(--line);backdrop-filter:blur(14px)}.topbar form{margin:0}.brand{font-size:1.15rem;font-weight:800;text-decoration:none}.page-shell{width:min(1180px,calc(100% - 32px));margin:28px auto 60px}.hero{background:linear-gradient(135deg,#102b46 0%,#1b5a6e 58%,#2b7b78 100%);color:#fff;border-radius:24px;padding:32px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.hero h1{font-size:clamp(2rem,4vw,3.6rem);margin:.2rem 0 .6rem}.hero p{color:rgba(255,255,255,.83);max-width:720px;margin:0}.eyebrow{text-transform:uppercase;letter-spacing:.11em;font-size:.72rem;font-weight:800;color:var(--accent);margin:0}.hero .eyebrow{color:#9fe2d7}.private-badge{align-self:flex-start;border:1px solid rgba(255,255,255,.35);border-radius:999px;background:rgba(255,255,255,.12);padding:8px 13px;font-size:.82rem;font-weight:700;white-space:nowrap}.section-nav{display:flex;gap:8px;overflow:auto;margin:16px 0 30px;padding:4px}.section-nav a{white-space:nowrap;padding:9px 13px;border-radius:999px;background:#fff;border:1px solid var(--line);text-decoration:none;font-weight:700;font-size:.88rem}.section-nav a:hover,.section-nav a:focus-visible{border-color:#5a9d9a;outline:3px solid rgba(74,151,147,.16)}.section{scroll-margin-top:86px}.section+.section{margin-top:36px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}.section-heading h2{font-size:1.65rem;margin:2px 0 0}.section-heading>p{color:var(--muted);margin:0;text-align:right}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.stats article,.two-column article,.revision-grid article{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:18px}.stats strong{color:#123f5a;font-size:1.75rem;line-height:1}.stats span{display:block;color:var(--muted);font-size:.88rem;margin-top:6px}.cabinet-card{margin-top:14px;border-radius:18px;background:#e8f5f3;border:1px solid #b9d9d4;padding:18px;display:grid;gap:4px}.cabinet-card span,.cabinet-card small{color:#4c6670}.cabinet-card strong{color:#113f48}.brick-calculator{margin-top:14px;border:1px solid var(--line);border-radius:18px;background:#fff;padding:20px}.calculator-heading{display:flex;justify-content:space-between;align-items:end;gap:18px}.calculator-heading h3{margin:2px 0 0;font-size:1.35rem;color:#163f58}.calculator-heading>p{margin:0;color:var(--muted);text-align:right}.calculator-fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-top:18px}.calculator-fields label{display:grid;align-content:start;gap:7px;color:#344054;font-size:.84rem;font-weight:700}.calculator-fields input,.calculator-fields select{width:100%;min-height:44px;border:1px solid #b8c6cc;border-radius:11px;background:#fff;color:var(--ink);padding:10px 11px;font:inherit}.calculator-fields input:focus,.calculator-fields select:focus{outline:3px solid rgba(51,135,132,.18);border-color:#338784}.calculator-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:16px}.calculator-results>div{display:grid;gap:5px;border:1px solid var(--line);border-radius:14px;background:var(--soft);padding:15px}.calculator-results span{color:var(--muted);font-size:.82rem;font-weight:700}.calculator-results output{color:#123f5a;font-size:1.45rem;font-weight:800;line-height:1.15}.calculator-results .calculator-total{background:#e8f5f3;border-color:#b9d9d4}.calculator-note{margin:12px 0 0;color:var(--muted);font-size:.82rem;line-height:1.45}.calculator-note.calculator-error{color:#8b2820}.two-column{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.two-column article:nth-child(even){background:#f8fafb}.two-column header{display:flex;justify-content:space-between;gap:14px;padding-bottom:10px;border-bottom:1px solid #e6ebf0}.two-column ul,.questions ol{margin:12px 0 0;padding-left:20px}.two-column li,.questions li{margin:7px 0;color:#344054}.requirements h3{margin:0;color:#163f58}.checklist-grid{display:grid;gap:14px}.checklist-grid article{border:1px solid var(--line);border-radius:18px;background:var(--paper);padding:20px}.checklist-grid article:nth-child(even){background:#f8fafb}.checklist-grid h3{margin:0;color:#163f58}.checklist-grid ul{list-style:none;margin:14px 0 0;padding:0;display:grid;gap:10px}.checklist-grid li{display:grid;grid-template-columns:110px minmax(0,1fr);gap:14px;align-items:start;padding-top:10px;border-top:1px solid #e7edef}.checklist-grid li:first-child{padding-top:0;border-top:0}.checklist-grid p{margin:0;color:#344054;line-height:1.48}.state{display:inline-flex;justify-content:center;border-radius:999px;padding:5px 8px;font-size:.72rem;font-weight:800;line-height:1.2}.state-fixed{background:#dcf5e7;color:#17633b}.state-check{background:#e7f0f8;color:#275b7b}.state-calculate{background:#fff0c9;color:#7b5711}.state-decide{background:#f5e4f4;color:#71366f}.plan-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.plan-grid article{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff}.plan-grid article:nth-child(3n){grid-column:span 2}.plan-grid a,.revision-grid a{display:block;background:#e9eff1;aspect-ratio:16/10;overflow:hidden}.plan-grid img,.revision-grid img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .2s ease}.plan-grid a:hover img,.plan-grid a:focus-visible img,.revision-grid a:hover img,.revision-grid a:focus-visible img{transform:scale(1.015)}.plan-grid article>div{display:flex;justify-content:space-between;gap:14px;padding:14px 16px}.plan-grid span{color:var(--muted);font-size:.85rem;text-align:right}.revision-grid{display:grid;grid-template-columns:minmax(0,620px)}.revision-grid article{padding:0;overflow:hidden}.revision-grid article>div{padding:16px 18px}.revision-grid p{color:#455762;line-height:1.55;margin:7px 0 0}.document-list{display:grid;gap:10px}.document-list a{display:flex;justify-content:space-between;align-items:center;gap:18px;border:1px solid var(--line);border-radius:14px;background:#fff;padding:15px 17px;text-decoration:none}.document-list a:nth-child(even){background:#f8fafb}.document-list a:hover,.document-list a:focus-visible{border-color:#579e9b;box-shadow:0 0 0 3px rgba(87,158,155,.14)}.document-list span{display:grid;gap:3px}.document-list small{color:var(--muted)}.document-list b{white-space:nowrap;color:#1c6470}.questions{border:1px solid #d4dfeb;border-radius:18px;background:#f8fbff;padding:20px}.questions ol{columns:2;column-gap:36px}.questions li{break-inside:avoid}.auth-screen{min-height:100vh;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at top,#d8eeeb,#edf3f4 55%)}.auth-card{width:min(440px,100%);padding:30px;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:0 18px 55px rgba(34,60,72,.13)}.auth-card h1{margin:.35rem 0 .8rem}.auth-card p{color:var(--muted);line-height:1.55}.auth-card form{display:grid;gap:14px;margin-top:20px}.auth-card label{display:grid;gap:6px;font-weight:700}.auth-card input{width:100%;border:1px solid #b8c6cc;border-radius:11px;padding:12px;font:inherit}.auth-card input:focus{outline:3px solid rgba(51,135,132,.18);border-color:#338784}button{border:0;border-radius:11px;background:var(--accent);color:#fff;padding:11px 15px;font:inherit;font-weight:800;cursor:pointer}button:hover,button:focus-visible{background:var(--accent-dark);outline:3px solid rgba(29,113,111,.18)}button.secondary{background:#e7f0f1;color:#174e52}.form-error{border:1px solid #efb8b1;border-radius:10px;background:#fff0ee;color:#8b2820!important;padding:10px 12px}@media(max-width:900px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.plan-grid article:nth-child(3n){grid-column:auto}.questions ol{columns:1}}@media(max-width:650px){.page-shell{width:min(100% - 20px,1180px);margin-top:10px}.hero{padding:24px 20px}.hero,.section-heading,.plan-grid article>div,.document-list a{align-items:flex-start;flex-direction:column}.private-badge{align-self:flex-start}.section-heading>p,.plan-grid span{text-align:left}.stats,.two-column,.plan-grid{grid-template-columns:1fr}.document-list b{white-space:normal}}@media(max-width:650px){.checklist-grid li{grid-template-columns:1fr;gap:7px}.state{justify-self:start}}@media(max-width:650px){.calculator-heading{align-items:flex-start;flex-direction:column}.calculator-heading>p{text-align:left}.calculator-results{grid-template-columns:1fr}}
.topbar{gap:12px;flex-wrap:wrap}.topbar-start{display:flex;align-items:center;gap:20px;min-width:0;flex-wrap:wrap}.object-nav{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.object-nav a{display:inline-flex;align-items:center;min-height:38px;padding:7px 12px;border-radius:999px;text-decoration:none;font-weight:700;font-size:.88rem;color:#315565}.object-nav a:hover,.object-nav a:focus-visible{background:#e7f0f1;outline:2px solid #5a9d9a}.object-nav a[aria-current="page"]{background:#dff0ed;color:#104f4f}.garage-rooms{grid-template-columns:repeat(3,minmax(0,1fr))}.site-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,285px);gap:22px;align-items:start}.site-plan{min-width:0}.site-plan-image{display:block;overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#fff}.site-plan-image:hover,.site-plan-image:focus-visible{border-color:#579e9b;outline:3px solid rgba(87,158,155,.14)}.site-plan-image img{display:block;width:100%;height:auto}.site-plan-caption{color:var(--muted);line-height:1.5}.site-plan-link{display:inline-block;font-weight:800;color:var(--accent-dark)}.site-sidebar{display:grid;gap:12px;padding-top:3px}.site-sidebar h2{margin:0 0 4px;font-size:1.4rem}.site-object-card{display:grid;gap:7px;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff;text-decoration:none}.site-object-card:hover,.site-object-card:focus-visible{border-color:#579e9b;outline:3px solid rgba(87,158,155,.14)}.site-object-card strong{font-size:1.4rem;color:#123f5a}.site-object-card small{font-size:.9rem;line-height:1.5;color:var(--muted)}.site-object-area{color:var(--accent-dark);font-weight:800}.site-warning{border:1px solid #e5c794;border-radius:18px;background:#fff8e9;padding:18px;line-height:1.5}.site-warning strong{color:#714b11}.site-warning p{margin:6px 0 0;color:#665740;font-size:.88rem}@media(max-width:900px){.site-layout{grid-template-columns:1fr}.site-sidebar{grid-template-columns:repeat(2,minmax(0,1fr))}.site-sidebar h2,.site-warning{grid-column:1/-1}}@media(max-width:650px){.topbar{padding:10px 14px}.topbar-start{gap:5px}.brand{width:100%}.object-nav a{min-height:34px;padding:6px 10px}.garage-rooms,.site-sidebar{grid-template-columns:1fr}.site-sidebar h2,.site-warning{grid-column:auto}.section{scroll-margin-top:130px}}
.site-placements{margin-top:28px}.site-placements h3{font-size:1.3rem;margin:0 0 12px}.site-placement-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.site-placement-grid article{border:1px solid var(--line);border-radius:16px;background:#fff;padding:16px}.site-placement-grid strong{color:#123f5a}.site-placement-grid p{margin:7px 0 0;color:#455762;line-height:1.5;font-size:.89rem}@media(max-width:650px){.site-placement-grid{grid-template-columns:1fr}}
/* Object switcher: distinct touch targets on desktop and phones. */
.topbar{box-shadow:0 3px 18px rgba(20,56,67,.05)}.topbar-start{gap:22px}.object-nav{gap:8px}.object-nav a{border:1px solid #d6e4e6;background:#f4f8f8;color:#23505b;box-shadow:0 1px 2px rgba(16,62,70,.05);min-height:42px;padding:9px 16px;line-height:1}.object-nav a:hover,.object-nav a:focus-visible{background:#e4f3f0;border-color:#71aaa7;color:#164c4d;outline:3px solid rgba(29,113,111,.17)}.object-nav a[aria-current="page"]{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 4px 12px rgba(29,113,111,.19)}@media(max-width:650px){.topbar{position:relative;padding:10px 14px 12px}.topbar-start{width:100%;gap:8px}.brand{padding-right:76px}.topbar form{position:absolute;top:8px;right:12px}.topbar form button{padding:8px 11px;min-height:34px}.object-nav{width:100%;display:flex;gap:6px;flex-wrap:nowrap;overflow-x:auto;padding:2px 1px 4px;scrollbar-width:thin}.object-nav a{min-height:38px;padding:8px 12px;font-size:.84rem;flex:none}.section{scroll-margin-top:132px}}
.online-intro{margin:18px 0;padding:16px 18px;border:1px solid #b9d9d4;border-radius:16px;background:#e8f5f3}.online-intro strong{color:#113f48}.online-intro p{margin:5px 0 0;color:#37555e;line-height:1.5;font-size:.9rem}.online-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(240px,280px);gap:18px;align-items:start}.online-main,.online-sidebar{min-width:0;border:1px solid var(--line);border-radius:18px;background:#fff;padding:16px}.online-scene-tabs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:12px}.online-scene-tabs button{background:#eef5f5;color:#28545e;border:1px solid #d1e1e2;font-size:.84rem;padding:9px 12px}.online-scene-tabs button[aria-pressed="true"]{background:#1d716f;color:#fff;border-color:#1d716f}.online-map-scroll{max-height:min(72vh,780px);overflow:auto;border-radius:12px;border:1px solid var(--line);background:#f4f7f7}.online-map{position:relative;min-width:720px;width:100%;outline-offset:3px}.online-map img{display:block;width:100%;height:auto;user-select:none}.online-markers{position:absolute;inset:0;pointer-events:none}.online-marker{position:absolute;transform:translate(-50%,-50%);pointer-events:auto;border:2px solid #fff;background:#166d6c;color:#fff;padding:5px 8px;max-width:110px;font-size:.72rem;line-height:1.13;box-shadow:0 2px 10px rgba(0,0,0,.32);white-space:normal}.online-marker:hover,.online-marker:focus-visible{background:#104f54;outline:3px solid #ffc972}.online-player{position:absolute;transform:translate(-50%,-50%);width:21px;height:21px;border:3px solid #fff;border-radius:50%;background:#e15436;box-shadow:0 0 0 3px rgba(142,45,28,.55),0 2px 10px rgba(0,0,0,.4);pointer-events:none;z-index:2}.online-controls{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:12px}.online-dpad{display:grid;justify-items:center;gap:3px}.online-dpad>div{display:flex;gap:3px}.online-dpad button{min-width:40px;min-height:38px;padding:5px;background:#edf5f5;color:#155258;border:1px solid #cae1df}.online-dpad button:hover,.online-dpad button:focus-visible{background:#d6eeeb}.online-controls>[data-online-interact]{font-size:.83rem;max-width:190px}.online-sidebar{display:grid;gap:7px}.online-sidebar h2{margin:0;font-size:1.4rem}.online-sidebar>p:not(.eyebrow){margin:0;color:#455762;line-height:1.5}.online-media-status{border:1px dashed #aac9c7;border-radius:14px;background:#f5faf9;padding:14px;margin-top:10px}.online-media-status strong{color:#164f54}.online-media-status p{font-size:.86rem;color:#587079;line-height:1.5;margin:5px 0 0}@media(max-width:900px){.online-layout{grid-template-columns:1fr}.online-sidebar{grid-row:1}}@media(max-width:650px){.online-main,.online-sidebar{padding:12px}.online-map{min-width:660px}.online-controls{align-items:end}.online-controls>[data-online-interact]{font-size:.75rem}}
.purchase-intro,.purchase-installed,.purchase-group,.purchase-sources{border:1px solid var(--line);border-radius:18px;background:#fff;padding:18px}.purchase-intro{background:#f5faf9;border-color:#b9d9d4}.purchase-intro p{margin:0;line-height:1.5}.purchase-intro p+p{margin-top:9px}.purchase-installed{margin-top:12px}.purchase-installed h3,.purchase-group h3{margin:0;color:#163f58}.purchase-installed ul{margin:11px 0 0;padding-left:21px}.purchase-installed li{margin-top:7px;line-height:1.5}.purchase-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px}.purchase-group ul{list-style:none;margin:12px 0 0;padding:0}.purchase-group li{padding:13px 0;border-top:1px solid #e7edef}.purchase-group li:last-child{padding-bottom:0}.purchase-item-heading{display:flex;justify-content:space-between;gap:12px;align-items:start}.purchase-item-heading strong{color:#213b50;line-height:1.35}.purchase-item-heading span{flex:none;border-radius:999px;background:#dff0ed;color:#104f4f;padding:5px 9px;font-size:.78rem;font-weight:800}.purchase-group small{display:inline-block;margin-top:5px;color:#7b5711;font-weight:800}.purchase-group p{margin:7px 0 0;color:#455762;font-size:.9rem;line-height:1.5}.purchase-sources{margin-top:14px;line-height:1.7}.purchase-sources a{color:var(--accent-dark)}@media(max-width:900px){.purchase-grid{grid-template-columns:1fr}}@media(max-width:650px){.purchase-item-heading{flex-direction:column;gap:7px}.purchase-item-heading span{align-self:flex-start}}
.online-intro{margin:14px 0;padding:11px 15px}.online-intro summary{cursor:pointer;color:#113f48;font-weight:800}.online-intro summary:focus-visible{outline:2px solid #1d716f;outline-offset:3px}.online-intro p{padding-top:7px}@media(max-width:900px){.online-sidebar{grid-row:auto}}
.site-layout{margin-top:28px}
.object-nav a{gap:7px}.object-nav svg{width:18px;height:18px;flex:none}@media(max-width:650px){.object-nav a{gap:5px;padding:8px 9px}.object-nav svg{width:15px;height:15px}}
.site-plan-image{max-height:min(72vh,760px);overflow:auto;overscroll-behavior:contain}
.site-plan-image:focus-visible{outline:3px solid rgba(87,158,155,.4)}
.site-plan-image img{max-width:none}
.site-plan-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:10px}
.site-plan-controls button{min-height:42px;padding:8px 13px}
.site-plan-controls button:disabled{opacity:.45;cursor:not-allowed}
.site-plan-controls output{min-width:54px;text-align:center;font-weight:800;color:var(--accent-dark)}
.site-placement-grid article[id]{scroll-margin-top:100px}
@media(max-width:650px){
    .topbar-start{flex-direction:column;align-items:stretch;gap:9px}
    .object-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;width:100%;overflow:visible}
    .object-nav a{min-width:0;min-height:44px;justify-content:center;padding:9px 7px;font-size:.87rem;white-space:normal}
    .object-nav svg{width:17px;height:17px}
    .site-placement-grid article[id]{scroll-margin-top:18px}
}
.walk-card{margin-top:18px;border:1px solid var(--line);border-radius:20px;background:#fff;padding:18px}
.walk-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:14px}
.walk-heading h2{margin:3px 0 0;font-size:1.55rem;color:#163f58}
.walk-heading>p{max-width:460px;margin:0;color:var(--muted);line-height:1.45;font-size:.9rem}
.walk-scenes{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.walk-scenes button{background:#eef5f5;color:#28545e;border:1px solid #d1e1e2;font-size:.84rem;padding:9px 12px}
.walk-scenes button[aria-pressed="true"]{background:var(--accent);color:#fff;border-color:var(--accent)}
.walk-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(215px,245px);gap:14px;align-items:start}
.walk-stage{position:relative;min-width:0;overflow:hidden;border-radius:16px;background:#203b43}
.walk-stage canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;touch-action:none;cursor:grab;outline-offset:3px}
.walk-stage canvas:active{cursor:grabbing}
.walk-stage canvas:focus-visible{outline:3px solid #5ad2bf;outline-offset:-4px}
.walk-crosshair{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:#fff;font-size:1.5rem;line-height:1;text-shadow:0 1px 4px #16313b;pointer-events:none}
.walk-stage-label{position:absolute;top:12px;left:12px;padding:7px 11px;border-radius:999px;background:rgba(14,45,53,.82);color:#fff;font-weight:800;font-size:.82rem;pointer-events:none}
.walk-nearby-media{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);max-width:calc(100% - 24px);padding:9px 14px;background:#fff;color:#184e53;border:2px solid #ddb573;box-shadow:0 3px 16px rgba(10,35,40,.4);white-space:normal}
.walk-nearby-media[hidden]{display:none}
.walk-sidebar{display:grid;gap:12px;min-width:0}
.walk-sidebar h3{margin:3px 0 5px;color:#163f58;font-size:1.22rem}
.walk-sidebar p{margin:0;color:#506673;font-size:.87rem;line-height:1.42}
.walk-sidebar canvas{display:block;width:100%;max-width:245px;height:auto;border:1px solid var(--line);border-radius:12px}
.walk-sidebar>button{width:100%;min-height:45px}
.walk-sidebar>button:disabled{background:#e8efef;color:#667d83;cursor:default}
.walk-sidebar .walk-help{font-size:.8rem}
.walk-touch{display:flex;gap:8px;justify-content:center;margin-top:13px}
.walk-touch button{min-width:58px;min-height:48px;background:#e7f2f0;color:#12535a;border:1px solid #c7dfdb;font-size:1.2rem;touch-action:none}
.walk-touch button:active{background:#cbe5e0}
@media(max-width:900px){.walk-layout{grid-template-columns:1fr}.walk-sidebar{grid-template-columns:minmax(0,1fr) auto;align-items:center}.walk-sidebar canvas{width:160px;grid-row:span 3}.walk-heading{align-items:start;flex-direction:column}}
@media(max-width:650px){.walk-card{padding:12px}.walk-scenes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.walk-scenes button{min-width:0;padding:9px 5px;font-size:.77rem}.walk-sidebar{grid-template-columns:1fr}.walk-sidebar canvas{width:100%;max-width:220px;grid-row:auto}.walk-touch button{flex:1;min-width:0}}
@media(max-width:650px){.object-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:7px;overflow:visible;padding:2px 0}.object-nav a{justify-content:center;min-width:0;min-height:44px;padding:9px 7px;font-size:.87rem;gap:5px;white-space:normal}.object-nav svg{width:17px;height:17px}.walk-stage canvas{aspect-ratio:4/3}}
.heating-basis{margin:0 0 16px;color:#455762;line-height:1.5}
.heating-stats{margin-bottom:14px}
.heating-manifolds{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.heating-manifolds article,.heating-zones article,.heating-wiring,.heating-before{border:1px solid var(--line);border-radius:16px;background:#fff;padding:17px}
.heating-manifolds strong,.heating-zones strong,.heating-before strong{color:#123f5a}
.heating-manifolds p,.heating-before p{margin:7px 0 0;color:#455762;line-height:1.5}
.heating-floor{margin-top:20px}
.heating-floor-heading{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:10px}
.heating-floor-heading h3,.heating-wiring h3{margin:0;color:#163f58}
.heating-floor-heading a{color:var(--accent-dark);font-weight:700;white-space:nowrap}
.heating-zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.heating-zones article{display:grid;align-content:start;gap:7px}
.heating-zones article>div{display:flex;justify-content:space-between;gap:10px}
.heating-zones span,.heating-zones small{color:var(--muted)}
.heating-zones p{margin:0;color:#235b60}
.heating-zones small{line-height:1.4}
.heating-wiring{margin-top:20px;background:#f5faf9;border-color:#b9d9d4}
.heating-wiring p{line-height:1.5;color:#344f55}
.heating-wiring ol{padding-left:22px;margin:12px 0 0;display:grid;gap:10px;line-height:1.5;color:#344054}
.heating-before{margin-top:12px;background:#fff8e9;border-color:#e5c794}
@media(max-width:650px){.heating-manifolds{grid-template-columns:1fr}.heating-floor-heading{align-items:start;flex-direction:column}.heating-floor-heading a{white-space:normal}.heating-zones{grid-template-columns:1fr}}
.walk-media{margin-top:17px;padding:16px;border:1px solid #c8dfdc;border-radius:16px;background:#f5faf9}
.walk-media[hidden],.walk-photo-dialog [hidden]{display:none}
.walk-media h3{margin:0;color:#163f58;font-size:1.17rem}
.walk-media p{margin:5px 0 14px;color:#506673;font-size:.85rem;line-height:1.5}
.walk-media-options{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}
.walk-media-options button{display:grid;gap:5px;align-content:center;min-height:70px;text-align:left;background:#fff;color:#164e53;border:1px solid #c9ddda}
.walk-media-options button:hover,.walk-media-options button:focus-visible{background:#e5f4f1}
.walk-media-options small{font-size:.75rem;font-weight:600;color:#5a7176}
.walk-photo-dialog{width:min(920px,calc(100vw - 22px));max-height:calc(100dvh - 22px);padding:10px;border:1px solid #b9d9d4;border-radius:18px;background:#fff;color:var(--ink);box-shadow:0 24px 70px rgba(12,42,50,.35)}
.walk-photo-dialog::backdrop{background:rgba(8,25,31,.76)}
.walk-photo-dialog-top,.walk-photo-dialog-bottom{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 5px}
.walk-photo-dialog-top strong{color:#163f58}
.walk-photo-dialog-top button,.walk-photo-dialog-bottom button{min-width:42px;min-height:40px;padding:6px;font-size:1.3rem}
.walk-photo-dialog img,.walk-photo-dialog video{display:block;max-width:100%;max-height:calc(100dvh - 135px);margin:auto;object-fit:contain;border-radius:10px;background:#12272c}
.walk-photo-dialog video{width:100%}
.walk-photo-dialog-bottom span{flex:1;text-align:center;color:#455762;font-size:.85rem;line-height:1.3}
@media(max-width:900px){.walk-media-options{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.walk-media{padding:12px}.walk-media-options button{min-height:64px;font-size:.8rem}.walk-photo-dialog{padding:6px}.walk-photo-dialog img,.walk-photo-dialog video{max-height:calc(100dvh - 125px)}}

/* Readable section directory for the long house and garage passports. */
.section-index{margin:20px 0 34px;padding:24px;border:1px solid var(--line);border-radius:22px;background:#f5f9f9}
.section-index h2{margin:0;color:#163f58;font-size:1.35rem}
.section-index>p{margin:6px 0 18px;color:#455762;line-height:1.5}
.section-index-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,235px),1fr));gap:14px}
.section-index-group{padding:16px 18px;border:1px solid #d7e4e5;border-radius:16px;background:#fff}
.section-index-group h3{margin:0 0 8px;color:#164f54;font-size:1rem}
.section-index-group a{display:flex;align-items:center;min-height:44px;padding:9px 0;border-top:1px solid #ebf0f1;color:#234c58;font-weight:650;text-decoration:none;line-height:1.35}
.section-index-group a:hover,.section-index-group a:focus-visible{color:#0d6260;text-decoration:underline;outline-offset:3px}
.project-notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.project-notes article{min-width:0;padding:20px;border:1px solid var(--line);border-radius:18px;background:#fff}
.project-notes h3{margin:0 0 12px;color:#163f58;font-size:1.06rem}
.project-notes p{max-width:66ch;margin:0;color:#344c58;line-height:1.6;overflow-wrap:anywhere}
.project-notes p+p{margin-top:10px}
.project-notes a{color:#0e6260;text-underline-offset:3px}
.section-caveat{max-width:75ch;margin:12px 0 0;color:#526776;line-height:1.5}
@media(max-width:650px){.section-index{padding:18px 14px;margin-top:14px}.project-notes{grid-template-columns:1fr}.project-notes article{padding:17px}}