.immersive{--bg:#050b07;--bg-2:#0a140e;--panel:#0c1810b8;--ink:#eef6ea;--muted:#a3b5a7;--line:#beffb424;--neon:#2cf51e;--neon-soft:#2cf51e29;--neon-ink:#031402;--heat:#ff8a3d;--cool:#5fd8ff;--radon:#c07bff;--water:#7fb8ff;--display:"Bricolage Grotesque Variable", "Avenir Next", system-ui, sans-serif;--mono:"JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;--pad:clamp(1.1rem, 4.5vw, 4.5rem);--header-h:76px;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}.immersive :focus-visible{outline:3px solid var(--neon);outline-offset:3px}.immersive h1,.immersive h2,.immersive h3{font-family:var(--display);letter-spacing:-.02em;margin:0;font-weight:700}.immersive p{margin:0}.immersive .concept-bar{border-bottom:1px solid var(--line);color:var(--muted);background:#000}.im-kicker{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--neon);font-size:.74rem;font-weight:500;margin-bottom:1rem!important}.im-actions{flex-wrap:wrap;gap:.7rem;margin-top:1.8rem;display:flex}.im-button{min-height:50px;font:600 1rem/1 var(--display);letter-spacing:0;cursor:pointer;border:1.5px solid #0000;border-radius:999px;justify-content:center;align-items:center;gap:.5rem;padding:.8rem 1.3rem;text-decoration:none;transition:transform .2s,box-shadow .2s,background .2s;display:inline-flex}.im-button.primary{background:var(--neon);color:var(--neon-ink);box-shadow:0 0 0 0 var(--neon-soft)}.im-button.primary:hover{box-shadow:0 0 0 6px var(--neon-soft), 0 10px 40px #2cf51e59;transform:translateY(-1px)}.im-button.ghost{color:var(--ink);backdrop-filter:blur(8px);background:#050b0759;border-color:#eef6ea59}.im-button.ghost:hover{border-color:var(--ink)}.im-header{z-index:40;height:var(--header-h);margin-bottom:calc(var(--header-h) * -1);padding:0 var(--pad);border-bottom:1px solid #0000;justify-content:space-between;align-items:center;gap:1.5rem;transition:background .3s,border-color .3s;display:flex;position:sticky;top:0}.immersive.is-scrolled .im-header{backdrop-filter:blur(14px);border-color:var(--line);background:#050b07b8}.im-brand{flex:none;width:clamp(170px,17vw,240px);display:block}.im-brand img{filter:drop-shadow(0 0 18px #2cf51e40);width:100%;height:auto}.im-nav{gap:clamp(1rem,2.4vw,2.2rem);display:flex}.im-nav a{color:var(--muted);font-size:.92rem;font-weight:500;text-decoration:none}.im-nav a:hover{color:var(--ink)}.im-call{background:var(--neon);color:var(--neon-ink);font:700 .95rem/1 var(--display);border-radius:999px;flex:none;align-items:center;gap:.55rem;padding:.7rem 1.1rem;text-decoration:none;display:inline-flex}.im-call-dot{background:var(--neon-ink);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 3px #03140240}.tour{height:calc(var(--steps) * 100svh);position:relative}.tour-stage{isolation:isolate;height:100svh;position:sticky;top:0;overflow:hidden}.tour-backdrop{z-index:-1;background:radial-gradient(60% 55% at 64% 58%, #2cf51e1a, transparent 70%), radial-gradient(40% 40% at 90% 10%, #5fd8ff12, transparent 70%), linear-gradient(180deg, #030704, var(--bg) 40%, #07120b);position:absolute;inset:0}.immersive[data-step=heating] .tour-backdrop{background-color:#0b0805}.tour-canvas{cursor:grab;touch-action:pan-y;opacity:0;width:100%;height:100%;transition:opacity 1.2s;display:block;position:absolute;inset:0}.tour-canvas.is-dragging{cursor:grabbing}.scene-ready .tour-canvas{opacity:1}.tour-poster{display:none}.tour-stage:after{content:"";z-index:1;pointer-events:none;background:linear-gradient(90deg,#050b07e6 0%,#050b078c 30%,#0000 52%);position:absolute;inset:0}.tour-captions{z-index:3;pointer-events:none;position:absolute;inset:0}.tour-caption{left:var(--pad);opacity:0;width:min(35rem,40vw);transition:opacity .5s,transform .6s cubic-bezier(.2,.7,.2,1);position:absolute;top:50%;transform:translateY(calc(24px - 50%))}.tour-caption.is-active{opacity:1;pointer-events:auto;transform:translateY(-50%)}.tour-caption h1{font-size:clamp(2.8rem,5.6vw,5.6rem);font-weight:750;line-height:.95}.tour-caption h2{font-size:clamp(2.2rem,4.2vw,4.2rem);line-height:.98}.tour-body{color:var(--muted);max-width:32rem;font-size:clamp(1.02rem,1.25vw,1.2rem);line-height:1.6;margin-top:1.3rem!important}.tour-hint{font-family:var(--mono);color:var(--neon);letter-spacing:.04em;font-size:.78rem;margin-top:1.4rem!important}.immersive[data-step=heating] .tour-caption.is-active .im-kicker{color:var(--heat)}.immersive[data-step=cooling] .tour-caption.is-active .im-kicker{color:var(--cool)}.immersive[data-step=radon] .tour-caption.is-active .im-kicker{color:var(--radon)}.immersive[data-step=water] .tour-caption.is-active .im-kicker{color:var(--water)}.immersive:has(.system-drawer[open]) .tour-rail{opacity:0;pointer-events:none}.tour-rail{right:var(--pad);z-index:4;transition:opacity .3s;position:absolute;top:50%;transform:translateY(-50%)}.tour-rail ol{gap:.35rem;margin:0;padding:0;list-style:none;display:grid}.tour-rail button{width:100%;color:var(--muted);cursor:pointer;font:500 .72rem/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;background:0 0;border:0;justify-content:flex-end;align-items:center;gap:.7rem;padding:.45rem 0;display:flex}.rail-label{opacity:0;transition:all .25s;transform:translate(6px)}.rail-index{border:1px solid var(--line);border-radius:50%;place-items:center;width:34px;height:34px;transition:all .25s;display:grid}.tour-rail:hover .rail-label,.tour-rail button:focus-visible .rail-label,.tour-rail button[aria-current=step] .rail-label{opacity:1;transform:none}.tour-rail button[aria-current=step]{color:var(--ink)}.tour-rail button[aria-current=step] .rail-index{background:var(--neon);border-color:var(--neon);color:var(--neon-ink);box-shadow:0 0 20px #2cf51e80}.drag-hint{z-index:3;font:500 .72rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);pointer-events:none;align-items:center;gap:.6rem;transition:opacity .4s;display:flex;position:absolute;bottom:2.2rem;left:62%;transform:translate(-50%)}.drag-hint span{border:1px solid var(--muted);border-radius:12px;width:34px;height:20px;position:relative}.drag-hint span:after{content:"";background:var(--neon);border-radius:50%;width:8px;height:8px;animation:2.4s ease-in-out infinite drag-nudge;position:absolute;top:5px;left:6px}.immersive:not(.scene-ready) .drag-hint,.immersive:not([data-step=intro]) .drag-hint{opacity:0}@keyframes drag-nudge{50%{transform:translate(12px)}}.webgl-note{display:none}.hotspot-layer{z-index:2;pointer-events:none;position:absolute;inset:0}.hotspot{cursor:pointer;pointer-events:auto;opacity:0;will-change:transform;background:0 0;border:0;width:44px;height:44px;margin:-22px 0 0 -22px;padding:0;transition:opacity .35s;position:absolute;top:0;left:0}.scene-ready .hotspot{opacity:.72}.scene-ready .hotspot.is-featured,.scene-ready .hotspot:hover,.scene-ready .hotspot:focus-visible,.scene-ready .hotspot[aria-expanded=true]{opacity:1}.scene-ready .hotspot.is-offscreen,.scene-ready .hotspot.is-behind:not([aria-expanded=true]){opacity:0;pointer-events:none}.hotspot-ring{background:var(--neon);box-shadow:0 0 0 4px #031402b3, 0 0 18px var(--neon);border-radius:50%;position:absolute;inset:13px}.hotspot-ring:after{content:"";border:2px solid var(--neon);border-radius:50%;animation:2s ease-out infinite ping;position:absolute;inset:-9px}.hotspot.is-featured .hotspot-ring:after{animation-duration:1.2s}.hotspot-label{white-space:nowrap;color:var(--ink);font:600 .85rem/1 var(--display);opacity:0;pointer-events:none;background:#050b07d9;border:1px solid #2cf51e73;border-radius:999px;padding:.45rem .75rem;transition:all .25s;position:absolute;top:50%;left:44px;transform:translate(-6px,-50%)}.hotspot:hover .hotspot-label,.hotspot:focus-visible .hotspot-label,.hotspot.is-featured .hotspot-label,.hotspot[aria-expanded=true] .hotspot-label{opacity:1;transform:translateY(-50%)}@keyframes ping{0%{opacity:1;transform:scale(.6)}to{opacity:0;transform:scale(1.6)}}.system-drawer{inset:auto var(--pad) 1.2rem auto;top:calc(var(--header-h) + .5rem);z-index:50;width:min(410px,100vw - 2rem);max-height:calc(100svh - var(--header-h) - 2rem);color:var(--ink);backdrop-filter:blur(18px);background:#08110be6;border:1px solid #2cf51e59;border-radius:1.4rem;margin:0;padding:2rem 1.8rem 1.8rem;position:fixed;overflow:auto;box-shadow:0 30px 80px #0009,0 0 0 1px #00000080}.system-drawer[open]{animation:.35s cubic-bezier(.2,.7,.2,1) drawer-in}@keyframes drawer-in{0%{opacity:0;transform:translate(24px)}}.drawer-close{border:1px solid var(--line);width:40px;height:40px;color:var(--ink);cursor:pointer;background:0 0;border-radius:50%;font-size:1.5rem;line-height:1;position:absolute;top:.8rem;right:.8rem}.drawer-close:hover{border-color:var(--ink)}.system-drawer h2{font-size:2.2rem;line-height:1}.drawer-summary{color:var(--muted);line-height:1.55;margin-top:.8rem!important}.system-drawer h3{font:500 .72rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:1.5rem}.drawer-list{gap:.45rem;margin:.7rem 0 0;padding:0;list-style:none;display:grid}.drawer-list li{padding-left:1.3rem;line-height:1.4;position:relative}.drawer-list li:before{content:"";background:var(--neon);border-radius:50%;width:7px;height:7px;position:absolute;top:.5em;left:0}.drawer-list.signs li:before{border:1.5px solid var(--heat);background:0 0}.system-drawer .im-actions{margin-top:1.6rem}.im-section-head{max-width:50rem;margin-bottom:clamp(2rem,4vw,3.5rem)}.im-section-head h2{font-size:clamp(2.2rem,4.4vw,4.2rem);line-height:1}.im-section-head>p:last-child:not(.im-kicker){color:var(--muted);max-width:40rem;margin-top:1.1rem;font-size:1.1rem;line-height:1.6}.systems{padding:clamp(5rem, 10vw, 9rem) var(--pad);background:linear-gradient(180deg, #07120b, var(--bg));position:relative}.system-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.2rem;margin:0;padding:0;list-style:none;display:grid}.system-card{perspective:900px}.card-depth{border:1px solid var(--line);height:100%;min-height:300px;transform-style:preserve-3d;transform:rotateX(var(--tilt-x,0deg)) rotateY(var(--tilt-y,0deg));background:linear-gradient(160deg,#1e32248c,#08100bcc);border-radius:1.3rem;flex-direction:column;padding:1.7rem;transition:transform .25s ease-out,border-color .25s,box-shadow .25s;display:flex;position:relative}.system-card:hover .card-depth{border-color:#2cf51e73;box-shadow:0 30px 60px #00000073,0 0 50px #2cf51e14}.card-depth>*{transition:transform .3s ease-out;transform:translateZ(0)}.system-card:hover .card-index{transform:translateZ(20px)}.system-card:hover .card-glyph{transform:translateZ(60px)}.system-card:hover h3{transform:translateZ(40px)}.system-card:hover .card-show{transform:translateZ(30px)}.card-index{font:500 .75rem/1 var(--mono);color:var(--muted);position:absolute;top:1.4rem;right:1.5rem}.card-glyph{border:1px solid var(--line);background:#0f1d14;border-radius:18px;width:64px;height:64px;margin-bottom:1.8rem;position:relative;overflow:hidden}.card-glyph:before,.card-glyph:after{content:"";position:absolute}.glyph-furnace:before{background:radial-gradient(circle at 50% 75%, #ffe08a, var(--heat) 55%, #c2410c);filter:drop-shadow(0 0 10px var(--heat));border-radius:50% 50% 45% 45%/65% 65% 35% 35%;inset:14px 18px 10px}.glyph-filtration:before{background:repeating-linear-gradient(90deg, var(--neon) 0 2px, transparent 2px 8px), repeating-linear-gradient(0deg, var(--neon) 0 2px, transparent 2px 8px);opacity:.8;border-radius:6px;inset:14px}.glyph-outdoor:before{border:3px solid var(--cool);background:conic-gradient(var(--cool) 0 40deg, transparent 40deg 120deg, var(--cool) 120deg 160deg, transparent 160deg 240deg, var(--cool) 240deg 280deg, transparent 280deg);filter:drop-shadow(0 0 8px var(--cool));border-radius:50%;inset:12px}.glyph-radon:before{background:radial-gradient(circle at 30% 70%, var(--radon) 0 5px, transparent 6px), radial-gradient(circle at 55% 45%, var(--radon) 0 4px, transparent 5px), radial-gradient(circle at 70% 22%, var(--radon) 0 3px, transparent 4px);filter:drop-shadow(0 0 6px var(--radon));inset:0}.glyph-radon:after{background:var(--muted);border-radius:2px;height:3px;bottom:10px;left:8px;right:8px}.glyph-water:before{background:linear-gradient(135deg, #cfe6ff, var(--water));width:24px;height:24px;filter:drop-shadow(0 0 8px var(--water));border-radius:0 50% 50%;top:14px;left:20px;transform:translateY(6px)rotate(45deg)}.card-depth h3{font-size:1.7rem;line-height:1.05}.card-depth p{color:var(--muted);margin-top:.7rem;line-height:1.55}.card-show{color:var(--neon);cursor:pointer;font:600 1rem/1 var(--display);background:0 0;border:0;align-self:flex-start;margin-top:auto;padding:1.2rem 0 0;text-decoration:none}.card-show:hover{text-underline-offset:.3em;text-decoration:underline}.system-card.commercial .card-depth{background:0 0;border-style:dashed}.exploded{background:var(--bg);--explode:0;height:320svh;position:relative}.exploded-stage{height:100svh;padding:calc(var(--header-h) + 1rem) var(--pad) 2rem;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:2rem;display:grid;position:sticky;top:0;overflow:hidden}.exploded-copy h2{font-size:clamp(2.2rem,4.2vw,4rem);line-height:1}.layer-labels{gap:.2rem;margin:2rem 0;padding:0;list-style:none;display:grid}.layer-label{border-top:1px solid var(--line);opacity:.45;grid-template-columns:2.4rem 1fr;gap:.6rem;padding:.7rem 0;transition:opacity .3s;display:grid}.layer-label>span{font:500 .75rem/1.6 var(--mono);color:var(--muted)}.layer-label h3{font-size:1.15rem}.layer-label p{max-height:0;color:var(--muted);line-height:1.5;transition:max-height .4s,margin .4s;overflow:hidden}.layer-label.is-active{opacity:1}.layer-label.is-active>span{color:var(--neon)}.layer-label.is-active p{max-height:5em;margin-top:.3rem}.furnace-model{perspective:1600px;place-items:center;height:100%;min-height:420px;display:grid;position:relative}.furnace-stack{--w:clamp(150px, 16vw, 230px);--t:clamp(34px, 3.4vw, 50px);width:var(--w);height:var(--w);transform-style:preserve-3d;transform:translateY(calc(4vh + var(--explode) * 6vh)) rotateX(58deg) rotateZ(-42deg);position:relative}.furnace-layer{transform-style:preserve-3d;transform:translateZ(calc((4 - var(--i)) * (var(--t) + var(--explode) * clamp(26px, 3.4vw, 54px)) - 2.5 * var(--t)));position:absolute;inset:0}.furnace-layer .face{display:block;position:absolute}.furnace-layer .top{transform:translateZ(var(--t));border-radius:3px;inset:0}.furnace-layer .front{width:100%;height:var(--t);transform-origin:top;font:600 clamp(.6rem, .8vw, .78rem)/1 var(--mono);color:#031402cc;white-space:nowrap;top:100%;left:0;overflow:hidden;transform:rotateX(90deg)}.front-label{align-items:center;gap:.5rem;height:100%;padding:0 .7rem;display:flex;transform:scaleY(-1)}.furnace-layer .side{width:var(--t);transform-origin:0;height:100%;top:0;left:100%;transform:rotateY(90deg)}.layer-0 .top{background:linear-gradient(135deg,#e4ebe6,#aab5ae)}.layer-0 .front{background:#c4cdc7}.layer-0 .side{background:#8e9993}.layer-0 .top:after{content:"";background:var(--neon);width:26%;height:12%;box-shadow:0 0 12px var(--neon);border-radius:2px;position:absolute;top:18%;left:18%}.layer-1 .top{background:repeating-linear-gradient(90deg,#8a3b12 0 8px,#c2521b 8px 14px)}.layer-1 .front{background:#b04a18}.layer-1 .side{background:#7a3410}.layer-2 .top{background:radial-gradient(circle at 25%,#ffd27a 0 7%,#0000 8%),radial-gradient(circle,#ffd27a 0 7%,#0000 8%),radial-gradient(circle at 75%,#ffd27a 0 7%,#0000 8%),#3a3f3c}.layer-2 .front{color:#eef6ea;background:#4a504c}.layer-2 .side{background:#2e3230}.layer-3 .top{background:radial-gradient(circle,#1a1f1c 0 14%,#56605a 15% 20%,#2a302c 21% 40%,#707a74 41% 44%,#3a413c 45%)}.layer-3 .front{color:#eef6ea;background:#5c6660}.layer-3 .side{background:#444c47}.layer-4 .top{background:repeating-linear-gradient(45deg,#f3f6f2 0 6px,#cfd8d1 6px 12px)}.layer-4 .front{background:#e2e8e3}.layer-4 .side{background:#b8c1ba}.furnace-layer.is-active .top{box-shadow:0 0 0 3px var(--neon), 0 0 40px #2cf51e80}.furnace-layer.is-active .front,.furnace-layer.is-active .side{filter:brightness(1.15)}.furnace-shadow{filter:blur(6px);background:radial-gradient(closest-side,#2cf51e2e,#0000);width:50%;height:40px;position:absolute;bottom:12%;left:50%;transform:translate(-50%)}.yard{padding:clamp(5rem, 10vw, 9rem) var(--pad);background:radial-gradient(60% 70% at 75%,#5fd8ff14,#0000 70%),#06100a;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:center;gap:clamp(2rem,5vw,5rem);display:grid}.yard-copy h2{font-size:clamp(2.2rem,4.2vw,4rem);line-height:1}.yard-copy>p:not(.im-kicker){color:var(--muted);margin-top:1.2rem;font-size:1.1rem;line-height:1.6}.yard-copy strong{color:var(--ink)}.yard-points{gap:.6rem;margin:1.8rem 0 0;padding:0;list-style:none;display:grid}.yard-points li{border:1px solid var(--line);background:#0c181099;border-radius:.8rem;padding:.9rem 1rem}.yard-copy .yard-fineprint{margin-top:1rem;font-size:.85rem}.yard-viewer{position:relative}.yard-viewer model-viewer{border:1px solid var(--line);--poster-color:transparent;background:radial-gradient(circle at 50% 60%,#1f3326,#09130d 70%);border-radius:1.6rem;width:100%;height:clamp(380px,46vw,600px);display:block}.ar-button{position:absolute;bottom:1.2rem;left:50%;transform:translate(-50%)}.yard-desktop-hint{text-align:center;font:500 .78rem/1.4 var(--mono);color:var(--muted);margin-top:.9rem!important}.yard.ar-ready .yard-desktop-hint{display:none}.family{padding:clamp(5rem, 10vw, 9rem) var(--pad);border-top:1px solid var(--line)}.family-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:1.2rem;margin:0;padding:0;list-style:none;display:grid}.family-grid li{border-top:2px solid var(--neon);padding:1.5rem 0 0}.family-grid h3{font-size:2rem}.family-role{font:500 .75rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--neon);margin-top:.3rem!important}.family-grid li>p:last-child{color:var(--muted);margin-top:.8rem;line-height:1.55}.im-contact{padding:clamp(5rem, 10vw, 9rem) var(--pad);background:var(--neon);color:var(--neon-ink)}.im-contact .im-kicker{color:var(--neon-ink)}.im-contact h2{letter-spacing:-.04em;font-size:clamp(3.4rem,11vw,11rem);font-weight:800;line-height:.9}.im-contact h2 a{color:inherit;text-decoration:none}.im-contact h2 a:hover{text-underline-offset:.08em;text-decoration:underline .06em}.contact-grid{border-top:2px solid var(--neon-ink);grid-template-columns:repeat(3,minmax(0,1fr));gap:2rem;margin-top:3rem;padding-top:2rem;display:grid}.contact-grid h3{font:500 .75rem/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;margin-bottom:.8rem}.contact-grid p{font-size:1.05rem;line-height:1.6}.im-contact :focus-visible{outline-color:var(--neon-ink)}.im-footer{padding:3rem var(--pad);color:var(--muted);background:#000;grid-template-columns:220px 1fr auto;align-items:center;gap:2rem;display:grid}.im-footer img{width:100%;height:auto}.concept-notes summary{cursor:pointer;font:500 .75rem/1.4 var(--mono);letter-spacing:.08em;text-transform:uppercase}.concept-notes p{max-width:44rem;margin-top:.8rem;font-size:.9rem;line-height:1.55}.im-footer a{color:var(--ink)}.no-webgl .tour{height:auto}.no-webgl .tour-stage{height:auto;padding:calc(var(--header-h) + 1rem) var(--pad) 4rem;position:relative;overflow:visible}.no-webgl .tour-stage:after,.no-webgl .tour-canvas,.no-webgl .hotspot-layer,.no-webgl .tour-rail,.no-webgl .drag-hint{display:none}.no-webgl .tour-poster{border:1px solid var(--line);border-radius:1.4rem;width:100%;height:auto;margin:2rem 0;display:block}.no-webgl .webgl-note{font:500 .8rem/1.5 var(--mono);color:var(--muted);display:block}.no-webgl .tour-captions{gap:3rem;display:grid;position:static}.no-webgl .tour-caption{opacity:1;pointer-events:auto;width:auto;max-width:44rem;position:static;transform:none}@media (width<=1100px){.im-nav{display:none}.system-grid,.family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (width<=899px){:root{scroll-padding-top:var(--header-h)}.immersive{--header-h:64px}.im-brand{width:150px}.im-call{padding:.65rem .9rem;font-size:.9rem}.im-call-label{display:none}.tour-stage:after{background:linear-gradient(#0000 44%,#050b07d9 68%,#050b07f5 100%)}.tour-caption{left:var(--pad);right:var(--pad);width:auto;top:auto;bottom:1.6rem;transform:translateY(24px)}.tour-caption.is-active{transform:none}.tour-caption h1{font-size:clamp(2.3rem,10vw,3.4rem)}.tour-caption h2{font-size:clamp(1.9rem,8.4vw,2.8rem)}.tour-body{font-size:.98rem;margin-top:.8rem!important}.im-kicker{margin-bottom:.6rem!important}.tour-caption .im-actions{margin-top:1.1rem}.tour-rail{top:calc(var(--header-h) + .8rem);right:.6rem;transform:none}.tour-rail ol{gap:0}.tour-rail button{padding:.15rem 0}.rail-label{display:none}.rail-index{width:28px;height:28px;font-size:.62rem}.drag-hint{left:50%;top:calc(var(--header-h) + 1rem);bottom:auto}.hotspot-label{font-size:.78rem}.system-drawer{border-radius:1.4rem 1.4rem 0 0;width:100%;max-height:72svh;padding:1.8rem 1.3rem 1.5rem;inset:auto 0 0}@keyframes drawer-in{0%{opacity:0;transform:translateY(40px)}}.exploded{height:280svh}.exploded-stage{grid-template-rows:auto 1fr;grid-template-columns:1fr;align-content:start;gap:0}.exploded-copy .im-button,.layer-label p{display:none}.layer-labels{grid-template-columns:repeat(5,1fr);gap:.3rem;margin:1rem 0 0}.layer-label{border-top-width:3px;grid-template-columns:1fr;padding:.5rem 0 0}.layer-label.is-active{border-top-color:var(--neon)}.layer-label h3{font-size:.72rem;font-family:var(--mono);letter-spacing:0;font-weight:500}.layer-label>span{display:none}.furnace-model{min-height:0}.furnace-stack{--w:150px;--t:30px}.yard{grid-template-columns:1fr}.contact-grid{grid-template-columns:1fr;gap:1.4rem}.im-footer{grid-template-columns:1fr}.im-footer img{width:200px}}@media (width<=560px){.system-grid,.family-grid{grid-template-columns:1fr}.card-depth{min-height:0}.tour-caption .im-actions{flex-wrap:nowrap;gap:.5rem}.tour-caption .im-button{flex:auto;min-height:46px;padding:.7rem 1rem;font-size:.92rem}.tour-caption .tour-body{font-size:.94rem;line-height:1.5}}@media (prefers-reduced-motion:reduce){.immersive *,.immersive :before,.immersive :after{transition:none!important;animation:none!important}.card-depth{transform:none}}:root:has(.immersive){background:#050b07}