.hvac-page{--ink:#0e1422;--ink-2:#1f2640;--ink-3:#3c4258;--muted:#6c7282;--line:#e7e6ee;--line-soft:#f0f0f5;--bg:#fff;--bg-2:#f7f5fc;--bg-3:#f4f7fb;--bg-dark:#0e1422;--bg-dark-2:#161d32;--surface:#fff;--plum:#6b3fa0;--plum-2:#8857c2;--plum-deep:#4a2c7a;--plum-tint:#efe7f7;--leaf:#5f9a46;--leaf-2:#81bf41;--leaf-deep:#3b7747;--leaf-tint:#e8f2de;--serif:"Newsreader","Source Serif Pro","Times New Roman",serif;--serif-display:"DM Serif Display","Newsreader","Times New Roman",serif;--sans:"Outfit",-apple-system,BlinkMacSystemFont,sans-serif;--mono:"JetBrains Mono",ui-monospace,monospace;--container:1650px;--gutter:32px;--shadow-sm:0 1px 2px #0e14220a,0 1px 1px #0e142205;--shadow:0 12px 28px -10px #4a2c7a2e,0 4px 12px -6px #0e142214;--shadow-lg:0 40px 80px -28px #4a2c7a4d,0 16px 36px -16px #0e14221f;--shadow-card:0 1px 0 #0e14220a,0 8px 24px -14px #0e14221a;background:var(--bg);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;font-size:17px;font-weight:400;line-height:1.55;overflow-x:clip}.hvac-page *,.hvac-page :before,.hvac-page :after{box-sizing:border-box}.hvac-page.js-ready .reveal{opacity:0;will-change:opacity,transform;transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1);transform:translateY(32px)}.hvac-page.js-ready .reveal.in{opacity:1;transform:none}.hvac-page .reveal-delay-1{transition-delay:80ms}.hvac-page .reveal-delay-2{transition-delay:.16s}.hvac-page .reveal-delay-3{transition-delay:.24s}.hvac-page .reveal-delay-4{transition-delay:.32s}.hvac-page .reveal-delay-5{transition-delay:.4s}.hvac-page .reveal-delay-6{transition-delay:.48s}@media (prefers-reduced-motion:reduce){.hvac-page .reveal{opacity:1;transition:none;transform:none}}.hvac-page a{color:inherit;text-decoration:none}.hvac-page img{max-width:100%;display:block}.hvac-page .container{max-width:var(--container);padding:0 var(--gutter);margin:0 auto;position:relative}.hvac-page .eyebrow{display:none!important}.hvac-page h1,.hvac-page h2,.hvac-page h3,.hvac-page h4{font-family:var(--serif);color:var(--ink);letter-spacing:-.022em;font-optical-sizing:auto;font-variation-settings:"opsz" 48;margin:0;font-weight:400;line-height:1.05}.hvac-page .hero h1,.hvac-page .section-head h2,.hvac-page .why h2,.hvac-page .banner-head h2,.hvac-page .case-body h3,.hvac-page .hvac-card h3,.hvac-page .testimonial blockquote,.hvac-page .cta h2{font-family:var(--serif-display);font-variation-settings:normal;font-weight:400}.hvac-page h2{letter-spacing:-.022em;font-size:clamp(40px,5vw,68px);font-weight:400;line-height:1.06}.hvac-page h3{letter-spacing:-.018em;font-size:28px;font-weight:500;line-height:1.18}.hvac-page .italic-serif{color:var(--plum);font-style:italic;font-weight:400}.hvac-page .italic-leaf{color:var(--leaf-deep);font-style:italic;font-weight:400}.hvac-page p{margin:0}.hvac-page .btn{font-family:var(--sans);letter-spacing:.005em;cursor:pointer;border:1px solid #0000;border-radius:999px;align-items:center;gap:10px;padding:13px 24px;font-size:14.5px;font-weight:500;transition:all .22s;display:inline-flex}.hvac-page .btn-primary{background:var(--ink);color:#fff;box-shadow:inset 0 1px #ffffff0f,0 8px 20px -10px #0e142266}.hvac-page .btn-primary:hover{background:var(--plum);transform:translateY(-1px)}.hvac-page .btn-ghost{color:var(--ink);background:0 0;border-color:#0e14222e}.hvac-page .btn-ghost:hover{background:var(--ink);color:#fff;border-color:var(--ink)}.hvac-page .btn .arrow{width:14px;height:14px;transition:transform .25s}.hvac-page .btn:hover .arrow{transform:translate(3px)}.hvac-page .nav-wrap{z-index:100;-webkit-backdrop-filter:blur(18px)saturate(1.2);background:#ffffffc7;border-bottom:1px solid #e7e6eeb3;position:sticky;top:0}.hvac-page nav.nav{justify-content:space-between;align-items:center;height:78px;display:flex}.hvac-page .logo{font-family:var(--serif);letter-spacing:-.02em;align-items:center;gap:12px;font-size:22px;font-weight:500;display:flex}.hvac-page .logo img{width:38px;height:38px}.hvac-page .logo small{font-family:var(--sans);letter-spacing:.22em;color:var(--muted);text-transform:uppercase;margin-top:2px;font-size:10px;font-weight:500;display:block}.hvac-page .nav-links{color:var(--ink-2);gap:36px;font-size:15px;display:flex}.hvac-page .nav-links a{transition:color .2s}.hvac-page .nav-links a:hover{color:var(--plum)}.hvac-page .hero{padding:88px 0 80px;position:relative;overflow:hidden}.hvac-page .hero-aurora{pointer-events:none;z-index:0;filter:blur(30px);background:radial-gradient(60% 50% at 78% 35%,#6b3fa047,#0000 65%),radial-gradient(50% 40% at 90% 70%,#8857c233,#0000 70%),radial-gradient(45% 40% at 70% 85%,#5f9a462e,#0000 70%),radial-gradient(40% 35% at 95% 20%,#81bf411a,#0000 70%);position:absolute;inset:-10%}.hvac-page .hero-grain{z-index:0;pointer-events:none;opacity:.35;background-image:radial-gradient(#0e14220f 1px,#0000 1px);background-size:28px 28px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 50% 60%,#000 30%,#0000 80%);mask-image:radial-gradient(at 50% 60%,#000 30%,#0000 80%)}.hvac-page .hero .container{z-index:2}.hvac-page .hero-scene{z-index:0;pointer-events:none;position:absolute;inset:0;overflow:hidden}.hvac-page .hero-skyline{width:100%;height:44%;color:var(--plum-deep);opacity:.12;position:absolute;bottom:0;left:0;right:0;-webkit-mask-image:linear-gradient(#0000 0%,#000 35%);mask-image:linear-gradient(#0000 0%,#000 35%)}.hvac-page .hero-skyline .steam-puff{transform-box:fill-box;transform-origin:bottom;opacity:0;animation:7s ease-out infinite steamRise}.hvac-page .hero-skyline .sp-1{animation-delay:0s}.hvac-page .hero-skyline .sp-2{animation-delay:-2s}.hvac-page .hero-skyline .sp-3{animation-delay:-4s}.hvac-page .hero-skyline .sp-4{animation-delay:-5.5s}@keyframes steamRise{0%{opacity:0;transform:translateY(0)scale(.7)}15%{opacity:.55}60%{opacity:.3}to{opacity:0;transform:translateY(-72px)scale(1.7)}}.hvac-page .hero-cloud{filter:blur(46px);opacity:.5;background:radial-gradient(circle,#ffffffe6,#efe7f766 60%,#0000 75%);border-radius:50%;animation:70s linear infinite cloudDrift;position:absolute}.hvac-page .hero-cloud-1{width:360px;height:120px;top:8%;left:-10%}.hvac-page .hero-cloud-2{opacity:.38;width:280px;height:95px;animation-duration:95s;animation-delay:-30s;top:22%;left:30%}.hvac-page .hero-cloud-3{opacity:.3;width:420px;height:130px;animation-duration:120s;animation-delay:-60s;top:4%;left:62%}@keyframes cloudDrift{0%{transform:translate(0)}to{transform:translate(110vw)}}.hvac-page .hero-aurora{animation:16s ease-in-out infinite alternate auroraDrift}@keyframes auroraDrift{0%{transform:translate(0,0)scale(1)}to{transform:translate(-1.5%,1%)scale(1.05)}}.hvac-page .hero-mote{opacity:0;background:radial-gradient(circle,#8857c2d9,#8857c200 70%);border-radius:50%;width:6px;height:6px;animation:11s linear infinite moteRise;position:absolute;bottom:6%}.hvac-page .hero-mote-1{animation-delay:0s;left:12%}.hvac-page .hero-mote-2{width:4px;height:4px;animation-duration:14s;animation-delay:-3.5s;left:30%}.hvac-page .hero-mote-3{animation-delay:-7s;left:52%}.hvac-page .hero-mote-4{width:5px;height:5px;animation-duration:13s;animation-delay:-5s;left:71%}.hvac-page .hero-mote-5{width:4px;height:4px;animation-duration:16s;animation-delay:-9s;left:88%}@keyframes moteRise{0%{opacity:0;transform:translateY(0)translate(0)}10%{opacity:.7}60%{opacity:.35;transform:translateY(-38vh)translate(14px)}to{opacity:0;transform:translateY(-62vh)translate(-8px)}}.hvac-page .hero-skyline .beacon{fill:var(--plum-2);animation:3.2s ease-in-out infinite beaconBlink}.hvac-page .hero-skyline .beacon-2{animation-delay:-1.1s}.hvac-page .hero-skyline .beacon-3{animation-delay:-2.2s}@keyframes beaconBlink{0%,to{opacity:.15}50%{opacity:1}}.hvac-page .hero-skyline .roof-fan{transform-box:fill-box;transform-origin:50%;animation:4s linear infinite roofSpin}.hvac-page .hero-skyline .roof-fan-2{animation-duration:5.2s;animation-direction:reverse}.hvac-page .hero-skyline .roof-fan-3{animation-duration:4.6s}@keyframes roofSpin{to{transform:rotate(360deg)}}.hvac-page .hero-skyline .pipe-flow{stroke:var(--plum-2);stroke-width:2px;stroke-dasharray:10 26;stroke-linecap:round;opacity:.8;animation:3.4s linear infinite pipeFlow}.hvac-page .hero-skyline .pipe-flow-rev{opacity:.55;animation-duration:4.4s;animation-direction:reverse}@keyframes pipeFlow{to{stroke-dashoffset:-72px}}.hvac-page .hero-skyline .wire-pulse{stroke:var(--plum-2);stroke-width:1.6px;stroke-dasharray:6 150;stroke-linecap:round;animation:2.8s linear infinite wirePulse}@keyframes wirePulse{to{stroke-dashoffset:-156px}}.hvac-page .hero-skyline .win{opacity:.5;animation:7s ease-in-out infinite winFlicker}.hvac-page .hero-skyline .win-1{animation-delay:0s}.hvac-page .hero-skyline .win-2{animation-delay:-1.2s}.hvac-page .hero-skyline .win-3{animation-delay:-2.4s}.hvac-page .hero-skyline .win-4{animation-delay:-3.6s}.hvac-page .hero-skyline .win-5{animation-delay:-4.8s}.hvac-page .hero-skyline .win-6{animation-delay:-6s}@keyframes winFlicker{0%,to{opacity:.5}45%{opacity:.5}50%{opacity:.18}55%{opacity:.5}72%{opacity:.65}}.hvac-page .hero-skyline .birds{animation:52s linear infinite birdsGlide}.hvac-page .hero-skyline .birds path{transform-box:fill-box;transform-origin:50%;animation:1.1s ease-in-out infinite alternate birdFlap}.hvac-page .hero-skyline .birds-2{animation-duration:74s;animation-delay:-30s}.hvac-page .hero-skyline .birds-2 path{animation-duration:.9s}@keyframes birdsGlide{0%{transform:translate(-60px)}to{transform:translate(1520px,-34px)}}@keyframes birdFlap{0%{transform:scaleY(1)}to{transform:scaleY(.55)}}@media (prefers-reduced-motion:reduce){.hvac-page .hero-cloud,.hvac-page .hero-aurora,.hvac-page .hero-mote,.hvac-page .hero-skyline .beacon,.hvac-page .hero-skyline .roof-fan,.hvac-page .hero-skyline .pipe-flow,.hvac-page .hero-skyline .wire-pulse,.hvac-page .hero-skyline .win,.hvac-page .hero-skyline .birds,.hvac-page .hero-skyline .birds path{animation:none}.hvac-page .hero-mote{opacity:0}.hvac-page .hero-skyline .steam-puff{opacity:.3;animation:none}}@media (max-width:760px){.hvac-page .hero-skyline{opacity:.09;height:30%}}.hvac-page .hero-grid{grid-template-columns:1fr 1.25fr;align-items:center;gap:56px;min-height:660px;display:grid}.hvac-page .hero-pill{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);color:var(--ink-2);box-shadow:var(--shadow-sm);background:#ffffffb3;border:1px solid #6b3fa02e;border-radius:999px;align-items:center;gap:10px;margin-bottom:28px;padding:7px 14px 7px 8px;font-size:13px;display:inline-flex}.hvac-page .hero-pill .dot{background:var(--leaf);border-radius:50%;width:8px;height:8px;animation:2.4s ease-in-out infinite hvac-pulse;box-shadow:0 0 0 4px #5f9a462e}@keyframes hvac-pulse{0%,to{box-shadow:0 0 0 4px #5f9a462e}50%{box-shadow:0 0 0 7px #5f9a460f}}.hvac-page .hero-pill span:first-of-type{background:var(--ink);color:#fff;letter-spacing:.16em;text-transform:uppercase;border-radius:999px;padding:3px 9px;font-size:10.5px;font-weight:500}.hvac-page .hero h1{letter-spacing:-.022em;margin-bottom:28px;font-size:clamp(38px,4.6vw,68px);font-weight:400;line-height:1.08}.hvac-page .hero h1 .accent{color:var(--plum);font-style:italic;font-weight:400}.hvac-page .hero h1 .leaf-accent{color:var(--leaf-deep);font-style:italic;font-weight:400}.hvac-page .hero-lede{color:var(--ink-3);max-width:520px;margin-bottom:36px;font-size:19px;line-height:1.6}.hvac-page .hero-actions{flex-wrap:wrap;gap:14px;display:flex}.hvac-page .hero-actions .meta{color:var(--muted);align-items:center;gap:10px;margin-left:8px;font-size:13px;display:flex}.hvac-page .hero-actions .meta:before{content:"";background:var(--leaf);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #5f9a4633}.hvac-page .hero-meta{font-family:var(--mono);letter-spacing:.08em;color:var(--muted);text-transform:uppercase;align-items:center;gap:10px;margin-top:22px;font-size:11.5px;display:flex}.hvac-page .hero-meta .dot{background:var(--leaf);border-radius:50%;width:6px;height:6px;animation:2.4s ease-in-out infinite hvac-pulse;box-shadow:0 0 0 3px #5f9a4633}.hvac-page .hero-canvas{aspect-ratio:16/11;isolation:isolate;width:100%;max-height:620px;position:relative}.hvac-page .hero-chiller-wrap{z-index:3;position:absolute;inset:6% 0% 8% 8%}.hvac-page .hero-chiller-wrap canvas{z-index:2;width:100%;height:100%;display:block;position:absolute;inset:0}.hvac-page .hero-techchip{z-index:6;-webkit-backdrop-filter:blur(18px)saturate(1.4);background:#fffffff5;border:1px solid #fffffff2;border-radius:16px;min-width:196px;padding:14px 18px;animation:6s ease-in-out infinite floaty;position:absolute;top:7%;right:0%;box-shadow:0 32px 60px -16px #4a2c7a66,0 10px 24px -8px #0e142224,inset 0 1px #ffffffd9}.hvac-page .hero-techchip .lbl{font-family:var(--mono);letter-spacing:.22em;color:var(--plum);text-transform:uppercase;align-items:center;gap:8px;margin-bottom:12px;font-size:10px;display:flex}.hvac-page .hero-techchip .lbl:before{content:"";background:var(--plum);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #6b3fa029}.hvac-page .hero-techchip .stack-row{border-bottom:1px dashed var(--line-soft);grid-template-columns:64px 1fr;align-items:baseline;gap:10px;padding:7px 0;display:grid}.hvac-page .hero-techchip .stack-row:last-child{border-bottom:none}.hvac-page .hero-techchip .stack-row .layer{font-family:var(--serif);color:var(--muted);letter-spacing:-.005em;font-size:13px;font-style:italic}.hvac-page .hero-techchip .stack-row .techs{font-family:var(--mono);color:var(--ink-2);font-size:11.5px;line-height:1.45}.hvac-page .hero-techchip .stack-row .techs em{color:var(--plum);font-style:normal}.hvac-page .hero-techchip .stack-row .techs .leaf{color:var(--leaf-deep)}.hvac-page .hero-callout{z-index:5;-webkit-backdrop-filter:blur(16px)saturate(1.4);background:#ffffffeb;border:1px solid #fffffff2;border-radius:14px;min-width:168px;padding:14px 18px;animation:6s ease-in-out infinite floaty;position:absolute;box-shadow:0 22px 40px -14px #4a2c7a59,0 6px 14px -4px #0e14221a,inset 0 1px #ffffffb3}.hvac-page .hero-callout .lbl{font-family:var(--mono);letter-spacing:.22em;color:var(--plum);text-transform:uppercase;align-items:center;gap:8px;margin-bottom:6px;font-size:10px;display:flex}.hvac-page .hero-callout .lbl:before{content:"";background:var(--plum);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #6b3fa029}.hvac-page .hero-callout-2 .lbl:before{background:var(--leaf-deep);box-shadow:0 0 0 3px #5f9a4629}.hvac-page .hero-callout .val{font-family:var(--serif-display);letter-spacing:-.022em;color:var(--ink);font-size:28px;font-weight:400;line-height:1}.hvac-page .hero-callout .val em{color:var(--leaf-deep);font-size:14px;font-style:normal;font-family:var(--sans);letter-spacing:.02em;margin-left:4px;font-weight:500}.hvac-page .hero-callout-1{top:6%;left:-2%}.hvac-page .hero-callout-2{animation-delay:-2s;bottom:8%;right:0%}.hvac-page .hero-callout-2 .lbl{color:var(--leaf-deep)}.hvac-page .card-float{-webkit-backdrop-filter:blur(14px)saturate(1.4);box-shadow:var(--shadow-lg);color:var(--ink);z-index:5;background:#ffffffbf;border:1px solid #ffffffe6;border-radius:14px;padding:14px 16px;font-size:12px;line-height:1.4;animation:6s ease-in-out infinite floaty;position:absolute}@keyframes floaty{0%,to{transform:translateY(0)rotate(var(--rot,0deg))}50%{transform:translateY(-8px)rotate(var(--rot,0deg))}}.hvac-page .card-float .hdr{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--line-soft);justify-content:space-between;align-items:center;margin-bottom:8px;padding-bottom:8px;font-size:9.5px;display:flex}.hvac-page .card-float .hdr .dots{gap:4px;display:inline-flex}.hvac-page .card-float .hdr .dots i{background:var(--line);border-radius:50%;width:6px;height:6px;display:inline-block}.hvac-page .card-float .hdr .dots i:first-child{background:#e5736c}.hvac-page .card-float .hdr .dots i:nth-child(2){background:#e4b247}.hvac-page .card-float .hdr .dots i:nth-child(3){background:var(--leaf)}.hvac-page .card-selection{--rot:-3deg;width:208px;top:7%;left:3%;transform:rotate(-3deg)}.hvac-page .card-selection .row{border-bottom:1px dashed var(--line-soft);justify-content:space-between;padding:5px 0;font-size:11.5px;display:flex}.hvac-page .card-selection .row:last-child{border-bottom:none}.hvac-page .card-selection .row b{font-weight:500}.hvac-page .card-selection .row .v{font-family:var(--mono);color:var(--plum)}.hvac-page .card-selection .row .v.ok{color:var(--leaf-deep)}.hvac-page .card-selection .title{font-family:var(--serif-display);letter-spacing:-.01em;margin-bottom:4px;font-size:18px;font-weight:400}.hvac-page .card-selection .sub{color:var(--muted);margin-bottom:12px;font-size:10.5px}.hvac-page .card-selection .cta{background:var(--ink);color:#fff;letter-spacing:.01em;border-radius:6px;justify-content:space-between;align-items:center;margin-top:10px;padding:7px 10px;font-size:10.5px;display:flex}.hvac-page .card-selection .cta:after{content:"→";color:var(--leaf-2);font-family:var(--mono)}.hvac-page .card-chart{--rot:3deg;width:206px;bottom:7%;left:-2%;transform:rotate(3deg)}.hvac-page .card-chart .chart{background:linear-gradient(#0000,#6b3fa00f);border-radius:6px;width:100%;height:90px;margin-top:6px;position:relative;overflow:hidden}.hvac-page .card-chart .chart svg{width:100%;height:100%}.hvac-page .card-chart .chart .grid line{stroke:var(--line-soft)}.hvac-page .card-chart .chart .line{fill:none;stroke:var(--plum);stroke-width:1.8px}.hvac-page .card-chart .chart .area{fill:#6b3fa01a}.hvac-page .card-chart .chart .dot{fill:var(--leaf-deep)}.hvac-page .card-chart .legend{color:var(--muted);gap:10px;margin-top:6px;font-size:9.5px;display:flex}.hvac-page .card-chart .legend span:before{content:"";background:var(--plum);vertical-align:middle;width:8px;height:2px;margin-right:4px;display:inline-block}.hvac-page .card-chart .legend span:nth-child(2):before{background:var(--leaf)}.hvac-page .card-chat{--rot:4deg;width:250px;top:50%;right:-6%;transform:rotate(4deg)}.hvac-page .card-chat .msg{background:var(--bg-2);color:var(--ink-2);border-radius:10px 10px 10px 2px;margin-bottom:6px;padding:8px 10px;font-size:11px}.hvac-page .card-chat .msg.ai{background:linear-gradient(135deg,var(--plum-tint),#fff);color:var(--ink);border:1px solid #6b3fa01f;border-radius:10px 10px 2px;margin-left:auto}.hvac-page .card-chat .msg.ai b{color:var(--plum);font-weight:500}.hvac-page .card-chat .input{border:1px solid var(--line);color:var(--muted);background:#fff;border-radius:999px;justify-content:space-between;align-items:center;margin-top:8px;padding:6px 10px;font-size:10.5px;display:flex}.hvac-page .card-chat .input:after{content:"↵";color:var(--plum);font-weight:500}.hvac-page .stat-band{z-index:2;border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff;border-radius:16px;grid-template-columns:repeat(4,1fr);margin-top:32px;display:grid;position:relative;overflow:hidden}.hvac-page .stat-band .stat{border-right:1px solid var(--line);padding:32px 28px}.hvac-page .stat-band .stat:last-child{border-right:none}.hvac-page .stat .num{font-family:var(--serif);letter-spacing:-.03em;font-variation-settings:"opsz" 60;background:linear-gradient(135deg,var(--ink)30%,var(--plum)100%);color:#0000;-webkit-background-clip:text;background-clip:text;margin-bottom:12px;font-size:52px;font-weight:400;line-height:1}.hvac-page .stat .num sup{color:var(--leaf-deep);vertical-align:top;-webkit-text-fill-color:var(--leaf-deep);margin-left:2px;font-size:22px;font-style:italic;position:relative;top:.2em}.hvac-page .stat .label{color:var(--ink-3);font-size:13px;line-height:1.5}.hvac-page section.block{padding:130px 0;position:relative}.hvac-page .block-alt{background:var(--bg-2)}.hvac-page .block-cool{background:var(--bg-3)}.hvac-page .section-head{grid-template-columns:1.2fr 1.3fr;align-items:end;gap:64px;margin-bottom:72px;display:grid}.hvac-page .section-head h2{max-width:16ch}.hvac-page .section-head .lede{color:var(--ink-3);max-width:58ch;font-size:19px;line-height:1.65}.hvac-page .why-grid{grid-template-columns:1fr 1.05fr;align-items:start;gap:80px;display:grid}.hvac-page .why h2{letter-spacing:-.024em;font-size:clamp(40px,4.6vw,64px);font-weight:400;line-height:1.05}.hvac-page .why p.body{color:var(--ink-3);margin-bottom:20px;font-size:18px;line-height:1.7}.hvac-page .why .vs{border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff;border-radius:18px;padding:0;position:relative;overflow:hidden}.hvac-page .why .vs:before{content:"";background:linear-gradient(90deg,var(--plum)0%,var(--plum-2)55%,var(--leaf)100%);opacity:.85;height:3px;position:absolute;inset:0 0 auto}.hvac-page .why .vs-head{border-bottom:1px solid var(--line-soft);background:linear-gradient(#fdfcff 0%,#fff 100%);justify-content:space-between;align-items:baseline;padding:26px 32px 18px;display:flex}.hvac-page .why .vs-head .vs-title{font-family:var(--serif);color:var(--ink);letter-spacing:-.005em;font-size:17px;font-style:italic}.hvac-page .why .vs-head .vs-meta{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--muted);align-items:center;gap:8px;font-size:10px;display:inline-flex}.hvac-page .why .vs-head .vs-meta .dot{background:var(--leaf-2);border-radius:50%;width:6px;height:6px;box-shadow:0 0 0 3px #81bf412e}.hvac-page .why .vs-list{padding:8px 32px 24px}.hvac-page .why .vs-row{border-bottom:1px solid var(--line-soft);grid-template-columns:auto 1fr;align-items:start;gap:24px;padding:18px 0;display:grid}.hvac-page .why .vs-row:last-child{border-bottom:none}.hvac-page .why .vs-row .vs-num{font-family:var(--mono);color:var(--plum);letter-spacing:.08em;font-feature-settings:"tnum";min-width:22px;padding-top:6px;font-size:11px}.hvac-page .why .vs-row .vs-pair{flex-direction:column;gap:4px;display:flex}.hvac-page .why .vs-row .l{font-family:var(--serif);color:var(--muted);letter-spacing:.01em;font-size:13px;font-style:italic;line-height:1.3;-webkit-text-decoration:line-through #6c72828c;text-decoration:line-through #6c72828c;text-decoration-thickness:1px}.hvac-page .why .vs-row .l:before{content:"Not ";color:var(--muted);font-style:normal;font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;vertical-align:middle;margin-right:2px;font-size:9px;text-decoration:none;display:inline-block;transform:translateY(-1px)}.hvac-page .why .vs-row .r{font-family:var(--serif);color:var(--ink);letter-spacing:-.012em;font-size:22px;font-weight:500;line-height:1.25}.hvac-page .why .vs-row .r em{color:var(--plum);font-style:italic;font-weight:500}.hvac-page .why .vs-row .r .leaf{color:var(--leaf-deep);font-style:italic}.hvac-page .why .pull{font-family:var(--serif);color:var(--ink-2);border-left:2px solid var(--plum);margin-top:32px;padding-left:22px;font-size:24px;font-style:italic;line-height:1.45}.hvac-page .why .pull b{color:var(--plum);font-style:normal;font-weight:500}.hvac-page .bento{grid-template-columns:repeat(12,1fr);gap:16px;display:grid}.hvac-page .cap{border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;border-radius:18px;padding:32px;transition:all .25s;position:relative;overflow:hidden}.hvac-page .cap:hover{box-shadow:var(--shadow);border-color:#6b3fa040;transform:translateY(-3px)}.hvac-page .cap .num{font-family:var(--mono);color:var(--muted);letter-spacing:.16em;font-size:10.5px}.hvac-page .cap .ico{width:44px;height:44px;color:var(--plum);margin-top:4px}.hvac-page .cap h3{font-family:var(--serif);letter-spacing:-.02em;margin-top:18px;margin-bottom:10px;font-size:26px;font-weight:500;line-height:1.2}.hvac-page .cap p{color:var(--ink-3);margin-bottom:20px;font-size:14.5px;line-height:1.6}.hvac-page .cap ul{z-index:1;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;display:flex;position:relative}.hvac-page .cap li{border:1px solid var(--line);color:var(--ink-2);background:#fff;border-radius:999px;padding:4px 10px;font-size:11.5px}.hvac-page .cap-feat{grid-column:span 6}.hvac-page .cap-feat.tone-plum{background:linear-gradient(155deg,#fff 0%,var(--plum-tint)100%);border-color:#6b3fa02e}.hvac-page .cap-feat.tone-leaf{background:linear-gradient(155deg,#fff 0%,var(--leaf-tint)100%);border-color:#5f9a4638}.hvac-page .cap-feat.tone-leaf .ico,.hvac-page .cap-feat.tone-leaf .num{color:var(--leaf-deep)}.hvac-page .cap-feat .ico{width:56px;height:56px}.hvac-page .cap-feat h3{letter-spacing:-.025em;font-size:34px;font-weight:450}.hvac-page .cap-feat p{max-width:48ch;font-size:16px}.hvac-page .cap-feat{padding-bottom:30px}.hvac-page .cap-feat ul{max-width:74%}.hvac-page .cap-feat .visual{opacity:.3;pointer-events:none;z-index:0;width:170px;height:170px;position:absolute;bottom:-34px;right:-34px}.hvac-page .cap-sm{grid-column:span 3}.hvac-page .cap-sm .ico{width:36px;height:36px;margin-top:24px}.hvac-page .cap-sm h3{font-size:22px}.hvac-page .cap-sm p{margin-bottom:0;font-size:13.5px}.hvac-page .cap-mini{border:1px solid var(--line);box-shadow:var(--shadow-sm);background:#fff;border-radius:14px;grid-column:span 3;align-items:center;gap:14px;padding:16px 18px;transition:all .25s;display:flex}.hvac-page .cap-mini:hover{box-shadow:var(--shadow);border-color:#6b3fa040;transform:translateY(-3px)}.hvac-page .cap-mini .ico{width:30px;height:30px;color:var(--plum);flex-shrink:0}.hvac-page .cap-mini h3{font-family:var(--serif);letter-spacing:-.015em;margin:0;font-size:18px;font-weight:500;line-height:1.15}.hvac-page .cap-mini span{font-family:var(--mono);letter-spacing:.06em;color:var(--muted);margin-top:4px;font-size:10px;display:block}.hvac-page .industries{background:radial-gradient(60% 50% at 90% 20%,#6b3fa01a,transparent 65%),radial-gradient(50% 50% at 5% 90%,#5f9a4614,transparent 70%),linear-gradient(180deg,#fff 0%,var(--bg-2)100%);color:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden}.hvac-page .industries .container{z-index:2;position:relative}.hvac-page .ind-cert-stamp{z-index:4;opacity:0;width:clamp(240px,24vw,320px);position:absolute;top:64px;right:44px;transform:scale(1.7)}.hvac-page .ind-cert-svg{width:100%;height:auto;display:block}.hvac-page .ind-cert-stamp.stamped{animation:.7s cubic-bezier(.34,1.56,.5,1) .1s forwards certStamp}@keyframes certStamp{0%{opacity:0;transform:scale(1.7)}45%{opacity:1;transform:scale(.9)}65%{transform:scale(1.06)}80%{transform:scale(.98)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){.hvac-page .ind-cert-stamp{opacity:1;transform:scale(1)}.hvac-page .ind-cert-stamp.stamped{animation:none}}@media (max-width:760px){.hvac-page .ind-cert-stamp{width:132px;top:44px;right:14px}}.hvac-page .industries .eyebrow{color:var(--leaf-deep)}.hvac-page .industries h2{color:var(--ink)}.hvac-page .industries .section-head .lede{color:var(--ink-3)}.hvac-page .ind-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:16px;display:grid}.hvac-page .ind{border:1px solid var(--line);min-height:380px;box-shadow:var(--shadow-sm);background:#fff;border-radius:16px;flex-direction:column;padding:32px;transition:all .25s;display:flex;position:relative}.hvac-page .ind:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.hvac-page .ind.primary{background:linear-gradient(155deg,var(--plum-tint),#fff 60%),linear-gradient(335deg,var(--leaf-tint),transparent 50%);border-color:#6b3fa04d}.hvac-page .ind .tag{font-family:var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--plum);margin-bottom:24px;font-size:10px}.hvac-page .ind.primary .tag{color:var(--leaf-deep)}.hvac-page .ind h3{color:var(--ink);letter-spacing:-.022em;margin-bottom:14px;font-size:30px;font-weight:450;line-height:1.08}.hvac-page .ind.primary h3{letter-spacing:-.028em;font-size:42px;font-weight:400;line-height:1.02}.hvac-page .ind p{color:var(--ink-3);margin-bottom:24px;font-size:14.5px;line-height:1.6}.hvac-page .ind .ind-visual{color:#6b3fa04d;height:80px;margin-top:auto;padding-top:16px}.hvac-page .ind .ind-visual svg{width:100%;height:100%}.hvac-page .ind.primary .ind-visual{color:#4a2c7a8c}.hvac-page .ind-grid.hvac-domains{grid-template-columns:repeat(5,1fr);gap:14px}.hvac-page .hvac-domains .ind{min-height:300px;padding:26px}.hvac-page .hvac-domains .ind h3{margin-bottom:12px;font-size:24px}.hvac-page .hvac-domains .ind.primary h3{font-size:30px;line-height:1.05}.hvac-page .hvac-domains .ind p{font-size:14px}.hvac-page .hvac-domains .ind .ind-visual{height:64px}@media (max-width:1180px){.hvac-page .ind-grid.hvac-domains{grid-template-columns:repeat(2,1fr)}}@media (max-width:760px){.hvac-page .ind-grid.hvac-domains{grid-template-columns:1fr}}.hvac-page .epd{color:#eaf1ec;background:radial-gradient(70% 60% at 82% -5%,#5f9a462e,#0000 60%),radial-gradient(60% 60% at 8% 105%,#6b3fa038,#0000 60%),linear-gradient(#0b1a14 0%,#0e1422 55%,#0b1018 100%);border-top:1px solid #ffffff0f;border-bottom:1px solid #ffffff0f;padding:150px 0 140px;position:relative;overflow:hidden}.hvac-page .epd-aurora{pointer-events:none;filter:blur(40px);background:radial-gradient(40% 40% at 75% 20%,#81bf4138,#0000 70%),radial-gradient(40% 40% at 25% 80%,#8857c238,#0000 70%);animation:18s ease-in-out infinite alternate auroraDrift;position:absolute;inset:-20%}.hvac-page .epd-grid-bg{pointer-events:none;background-image:linear-gradient(#ffffff0a 1px,#0000 1px),linear-gradient(90deg,#ffffff0a 1px,#0000 1px);background-size:52px 52px;position:absolute;inset:0;-webkit-mask-image:radial-gradient(at 50% 38%,#000 8%,#0000 72%);mask-image:radial-gradient(at 50% 38%,#000 8%,#0000 72%)}.hvac-page .epd .container{z-index:2;position:relative}.hvac-page .epd-head{grid-template-columns:minmax(0,1fr) 300px;align-items:center;gap:56px;margin-bottom:64px;display:grid}.hvac-page .epd-head-copy{max-width:760px}.hvac-page .epd-head-art{flex-direction:column;align-items:center;gap:14px;display:flex;position:relative}.hvac-page .epd-head-art svg{width:100%;max-width:260px;height:auto}.hvac-page .epd-art-cap{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:#eaf1ec8c;font-size:10px}.hvac-page .epd-head-art svg{max-width:300px}.hvac-page .epd-art-ring{transform-box:fill-box;transform-origin:50%;animation:30s linear infinite epdRingSpin}@keyframes epdRingSpin{to{transform:rotate(360deg)}}.hvac-page .epd-art-node{transform-box:fill-box;transform-origin:50%;animation:30s linear infinite epdNodeCounter,4s ease-in-out infinite epdNodePulse;animation-delay:0s,calc(var(--i)*1s)}@keyframes epdNodeCounter{to{transform:rotate(-360deg)}}@keyframes epdNodePulse{0%,to{opacity:.45}50%{opacity:1}}.hvac-page .epd-leaf{transform-box:fill-box;transform-origin:120px 210px;animation:6s ease-in-out infinite epdLeafSway}@keyframes epdLeafSway{0%,to{transform:rotate(-3.5deg)}50%{transform:rotate(3.5deg)}}.hvac-page .epd-leaf-glow{transform-box:fill-box;transform-origin:50%;animation:4.5s ease-in-out infinite epdLeafGlow}@keyframes epdLeafGlow{0%,to{opacity:.7;transform:scale(.92)}50%{opacity:1;transform:scale(1.08)}}.hvac-page .epd-vein{stroke-dasharray:130;stroke-dashoffset:130px;animation:5s ease-in-out infinite epdVeinDraw;animation-delay:var(--vd)}@keyframes epdVeinDraw{0%{stroke-dashoffset:130px}35%{stroke-dashoffset:0}80%{stroke-dashoffset:0}to{stroke-dashoffset:130px}}.hvac-page .epd-leaf-sheen{animation:5s ease-in-out infinite epdSheen}@keyframes epdSheen{0%,to{opacity:.08}50%{opacity:.2}}.hvac-page .epd-leaf-dew{transform-box:fill-box;transform-origin:50%;animation:4s ease-in-out infinite epdDew}@keyframes epdDew{0%,to{opacity:.6;transform:scale(1)}50%{opacity:.85;transform:scale(1.15)}}@media (prefers-reduced-motion:reduce){.hvac-page .epd-art-ring,.hvac-page .epd-art-node,.hvac-page .epd-leaf,.hvac-page .epd-leaf-glow,.hvac-page .epd-vein,.hvac-page .epd-leaf-sheen,.hvac-page .epd-leaf-dew{animation:none}.hvac-page .epd-vein{stroke-dashoffset:0}}@media (max-width:920px){.hvac-page .epd-head{grid-template-columns:1fr;gap:36px}.hvac-page .epd-head-art{display:none}}.hvac-page .epd-eyebrow{font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#eaf1ec99;align-items:center;gap:12px;margin-bottom:26px;font-size:11px;display:inline-flex}.hvac-page .epd-eyebrow .tagchip{background:var(--leaf-2);color:#0b1a14;letter-spacing:.12em;border-radius:999px;padding:4px 11px;font-weight:600}.hvac-page .epd-title{font-family:var(--serif-display);letter-spacing:-.028em;color:#fff;margin:0 0 26px;font-size:clamp(40px,5.4vw,78px);font-weight:400;line-height:1.03}.hvac-page .epd-title .epd-em{background:linear-gradient(120deg,var(--leaf-2),#bce588);color:#0000;-webkit-background-clip:text;background-clip:text;font-style:italic}.hvac-page .epd-lede{color:#eaf1ecc7;max-width:66ch;font-size:19px;line-height:1.65}.hvac-page .epd-body{grid-template-columns:1fr 1fr;align-items:start;gap:56px;margin-bottom:76px;display:grid}.hvac-page .epd-points{flex-direction:column;gap:16px;display:flex}.hvac-page .epd-point{-webkit-backdrop-filter:blur(6px);background:#ffffff08;border:1px solid #ffffff1a;border-radius:16px;padding:26px 30px 26px 64px;transition:border-color .25s,background .25s,transform .25s;position:relative}.hvac-page .epd-point:hover{background:#81bf410f;border-color:#81bf4173;transform:translateY(-2px)}.hvac-page .epd-point-num{font-family:var(--mono);letter-spacing:.1em;color:var(--leaf-2);font-size:12px;position:absolute;top:28px;left:26px}.hvac-page .epd-point h3{font-family:var(--serif-display);color:#fff;letter-spacing:-.018em;margin:0 0 8px;font-size:24px;font-weight:400}.hvac-page .epd-point p{color:#eaf1ecb8;font-size:14.5px;line-height:1.6}.hvac-page .epd-doc{-webkit-backdrop-filter:blur(10px);background:linear-gradient(#ffffff12,#ffffff05);border:1px solid #ffffff1f;border-radius:18px;padding:28px 30px;position:relative;box-shadow:0 44px 90px -34px #000000a6}.hvac-page .epd-doc:before{content:"";background:linear-gradient(90deg,var(--leaf-2),var(--plum-2));border-radius:18px 18px 0 0;height:3px;position:absolute;inset:0 0 auto}.hvac-page .epd-doc-top{justify-content:space-between;align-items:center;margin-bottom:20px;display:flex}.hvac-page .epd-doc-tag{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:#eaf1ec99;font-size:10px}.hvac-page .epd-doc-verified{font-family:var(--mono);letter-spacing:.08em;color:var(--leaf-2);align-items:center;gap:7px;font-size:10.5px;display:inline-flex}.hvac-page .epd-doc-verified .d{background:var(--leaf-2);border-radius:50%;width:7px;height:7px;box-shadow:0 0 0 3px #81bf4133}.hvac-page .epd-doc-title{font-family:var(--serif-display);color:#fff;letter-spacing:-.02em;margin-bottom:6px;font-size:26px}.hvac-page .epd-doc-sub{color:#eaf1ec8c;margin-bottom:22px;font-size:12.5px}.hvac-page .epd-doc-metrics{background:#ffffff1a;border:1px solid #ffffff1a;border-radius:12px;grid-template-columns:1fr 1fr;gap:1px;margin-bottom:22px;display:grid;overflow:hidden}.hvac-page .epd-doc-metrics .m{background:#0b12188c;flex-direction:column;gap:6px;padding:14px 16px;display:flex}.hvac-page .epd-doc-metrics .k{font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#eaf1ec80;font-size:10px}.hvac-page .epd-doc-metrics .v{font-family:var(--serif-display);color:#fff;letter-spacing:-.01em;font-size:22px}.hvac-page .epd-doc-metrics .v em{font-style:normal;font-family:var(--sans);color:#eaf1ec99;margin-left:4px;font-size:12px}.hvac-page .epd-doc-metrics .v.ok{color:var(--leaf-2)}.hvac-page .epd-doc-bars{flex-direction:column;gap:11px;margin-bottom:22px;display:flex}.hvac-page .epd-doc-bars .bar{align-items:center;height:14px;display:flex;position:relative}.hvac-page .epd-doc-bars .bar>span{background:linear-gradient(90deg,var(--leaf-2),var(--leaf));border-radius:999px;min-width:6%;height:8px;display:block}.hvac-page .epd-doc-bars .bar>span.neg{background:linear-gradient(90deg,var(--plum-2),var(--plum))}.hvac-page .epd-doc-bars .bar label{font-family:var(--mono);letter-spacing:.06em;color:#eaf1ec80;font-size:9.5px;position:absolute;right:0}.hvac-page .epd-doc-foot{border-top:1px solid #ffffff1a;flex-wrap:wrap;gap:8px;padding-top:16px;display:flex}.hvac-page .epd-doc-foot span{font-family:var(--mono);letter-spacing:.1em;color:#eaf1ecb3;border:1px solid #ffffff24;border-radius:999px;padding:4px 10px;font-size:10px}.hvac-page .epd-standards{border-top:1px solid #ffffff1a;padding-top:40px}.hvac-page .epd-standards-lbl{font-family:var(--mono);letter-spacing:.2em;text-transform:uppercase;color:#eaf1ec8c;margin-bottom:24px;font-size:11px;display:block}.hvac-page .epd-badges{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.hvac-page .epd-badge{background:#ffffff08;border:1px solid #ffffff1f;border-radius:14px;padding:24px 22px;transition:border-color .25s,background .25s,transform .25s}.hvac-page .epd-badge:hover{background:#81bf410f;border-color:#81bf4173;transform:translateY(-3px)}.hvac-page .epd-badge b{font-family:var(--serif-display);color:#fff;letter-spacing:-.015em;margin-bottom:8px;font-size:26px;font-weight:400;display:block}.hvac-page .epd-badge span{color:#eaf1eca6;font-size:13px;line-height:1.5}@media (max-width:1180px){.hvac-page .epd-body{grid-template-columns:1fr;gap:40px}.hvac-page .epd-badges{grid-template-columns:1fr 1fr}}@media (max-width:760px){.hvac-page .epd{padding:90px 0}.hvac-page .epd-doc-metrics,.hvac-page .epd-badges{grid-template-columns:1fr}}.hvac-page .banner-3d{background:radial-gradient(60% 50% at 30% 30%,#6b3fa01a,transparent 70%),radial-gradient(50% 50% at 80% 70%,#5f9a4614,transparent 70%),linear-gradient(180deg,#fff 0%,var(--bg-2)100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:130px 0 150px;position:relative;overflow:hidden}.hvac-page .banner-3d:before{content:"";pointer-events:none;background-image:linear-gradient(#0e14220a 1px,#0000 1px),linear-gradient(90deg,#0e14220a 1px,#0000 1px);background-size:48px 48px;width:100%;height:100%;position:absolute;top:0;left:0;-webkit-mask-image:radial-gradient(#000 25%,#0000 75%);mask-image:radial-gradient(#000 25%,#0000 75%)}.hvac-page .banner-3d .container{z-index:2;position:relative}.hvac-page .banner-head{text-align:center;margin-bottom:56px}.hvac-page .banner-head .eyebrow{justify-content:center}.hvac-page .banner-head h2{text-align:center;letter-spacing:-.024em;max-width:26ch;margin:24px auto 16px;font-size:clamp(26px,3.1vw,40px);font-weight:400;line-height:1.15}.hvac-page .banner-head p{max-width:60ch;color:var(--ink-3);margin:0 auto;font-size:17px;line-height:1.6}.hvac-page .stack-3d{perspective:1800px;perspective-origin:50% 30%;width:100%;max-width:660px;height:400px;margin:0 auto;position:relative}.hvac-page .stack-3d-inner{transform-style:preserve-3d;width:100%;height:100%;position:relative;transform:rotateX(54deg)rotate(-38deg)}.hvac-page .slab{transform-origin:50%;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);background:linear-gradient(135deg,#fffffff0,#f7f5fcf0);border:1px solid #6b3fa040;border-radius:14px;flex-direction:column;justify-content:space-between;width:400px;height:232px;margin-top:-116px;margin-left:-200px;padding:20px 24px;display:flex;position:absolute;top:50%;left:50%;box-shadow:0 30px 60px -20px #4a2c7a52,0 6px 16px -8px #0e142229,inset 0 1px #ffffffe6}.hvac-page .slab .label{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--plum);font-size:11px}.hvac-page .slab .ttl{font-family:var(--serif-display);color:var(--ink);letter-spacing:-.022em;font-size:24px;font-weight:400;line-height:1.12}.hvac-page .slab .tech{font-family:var(--mono);color:var(--muted);letter-spacing:.04em;font-size:10.5px}.hvac-page .slab-1{transform:translateZ(0)}.hvac-page .slab-2{background:linear-gradient(135deg,#fffffff2,#efe7f7f2);transform:translateZ(60px)}.hvac-page .slab-3{background:linear-gradient(135deg,#fffffff2,#e8f2def2);border-color:#5f9a464d;transform:translateZ(120px)}.hvac-page .slab-3 .label{color:var(--leaf-deep)}.hvac-page .slab-4{background:linear-gradient(135deg,#fffffff2,#efe7f7f2);transform:translateZ(180px)}.hvac-page .slab-5{background:linear-gradient(135deg,var(--ink),var(--ink-2));color:#fff;border:1px solid #0e1422d9;transform:translateZ(240px)}@keyframes slab-shuffle{0%{animation-timing-function:linear;transform:translateZ(240px)}80%{animation-timing-function:cubic-bezier(.55,0,.3,1);transform:translate(0,0)}83%{animation-timing-function:linear;transform:translate3d(260px,0,-20px)}93%{animation-timing-function:cubic-bezier(.5,0,.25,1);transform:translate3d(260px,0,280px)}to{transform:translateZ(240px)}}@media (prefers-reduced-motion:no-preference){.hvac-page .stack-3d-inner .slab{will-change:transform;animation:12s linear infinite slab-shuffle}.hvac-page .stack-3d-inner .slab-5{animation-delay:0s}.hvac-page .stack-3d-inner .slab-4{animation-delay:-2.4s}.hvac-page .stack-3d-inner .slab-3{animation-delay:-4.8s}.hvac-page .stack-3d-inner .slab-2{animation-delay:-7.2s}.hvac-page .stack-3d-inner .slab-1{animation-delay:-9.6s}}.hvac-page .slab-5 .label{color:var(--leaf-2)}.hvac-page .slab-5 .ttl{color:#fff}.hvac-page .slab-5 .tech{color:#a6aebe}.hvac-page .stack-3d:after{content:"";filter:blur(20px);pointer-events:none;background:radial-gradient(50% 50%,#6b3fa04d,#0000 70%);width:60%;height:80px;position:absolute;bottom:6%;left:50%;transform:translate(-50%)}.hvac-page .process{background:#fff}.hvac-page .process-grid{border-top:1px solid var(--line);grid-template-columns:repeat(6,1fr);gap:8px;padding-top:32px;display:grid;position:relative}.hvac-page .process-grid:before{content:"";background:linear-gradient(90deg,transparent,var(--line)12%,var(--line)88%,transparent);height:1px;position:absolute;top:129px;left:0;right:0}.hvac-page .step{padding:18px 18px 0;position:relative}.hvac-page .step .n{font-family:var(--serif-display);letter-spacing:-.035em;color:var(--plum);margin-bottom:38px;font-size:64px;font-weight:400;line-height:1;position:relative}.hvac-page .step .n:after{content:"";border:2px solid var(--plum);background:#fff;border-radius:50%;width:14px;height:14px;position:absolute;bottom:-22px;left:0;box-shadow:0 0 0 6px #fff}.hvac-page .step:nth-child(2n) .n{color:var(--leaf-deep)}.hvac-page .step:nth-child(2n) .n:after{border-color:var(--leaf-deep)}.hvac-page .step h4{font-family:var(--serif-display);letter-spacing:-.014em;color:var(--ink);margin:0 0 10px;font-size:22px;font-weight:400;line-height:1.24}.hvac-page .step p{color:var(--ink-3);font-size:13.5px;line-height:1.55}.hvac-page .trusted-row{background:var(--line);border-top:1px solid var(--line);border-bottom:1px solid var(--line);grid-template-columns:repeat(2,1fr);gap:1px;max-width:720px;margin:0 auto;display:grid}.hvac-page .trusted-logo{background:var(--bg-2);min-height:150px;font-family:var(--serif-display);color:var(--ink-3);letter-spacing:.01em;text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:32px 18px;font-size:18px;transition:color .25s;display:flex}.hvac-page .trusted-logo img{object-fit:contain;opacity:.92;width:auto;max-width:88%;max-height:80px;margin-bottom:14px;transition:opacity .3s,transform .3s}.hvac-page .trusted-logo:hover img{opacity:1;transform:scale(1.03)}.hvac-page .trusted-logo .lbl-sm{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--muted);opacity:.85;margin-top:4px;font-size:9.5px;display:block}.hvac-page .proof-group{margin-top:56px}.hvac-page .proof-group:first-of-type{margin-top:8px}.hvac-page .proof-head{margin-bottom:24px}.hvac-page .proof-head h3{font-family:var(--serif);letter-spacing:-.015em;color:var(--ink);align-items:center;gap:11px;font-size:22px;font-weight:500;display:flex}.hvac-page .proof-head p{color:var(--ink-3);max-width:60ch;margin-top:8px;font-size:14.5px}.hvac-page .proof-dot{background:var(--plum);border-radius:50%;width:8px;height:8px;box-shadow:0 0 0 4px #6b3fa029}.hvac-page .proof-dot.leaf{background:var(--leaf-deep);box-shadow:0 0 0 4px #5f9a4629}.hvac-page .client-cards{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}.hvac-page .client-card{border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff;border-radius:16px;align-items:center;gap:24px;padding:26px 30px;transition:transform .25s,box-shadow .25s,border-color .25s;display:flex}.hvac-page .client-card:hover{box-shadow:var(--shadow);border-color:#6b3fa040;transform:translateY(-3px)}.hvac-page .client-logo{border-right:1px solid var(--line);flex-shrink:0;justify-content:center;align-items:center;width:180px;height:84px;padding-right:24px;display:flex}.hvac-page .client-logo img{object-fit:contain;width:auto;max-width:100%;max-height:72px}.hvac-page .client-meta b{font-family:var(--serif);color:var(--ink);letter-spacing:-.01em;margin-bottom:4px;font-size:19px;font-weight:500;display:block}.hvac-page .client-meta span{color:var(--ink-3);font-size:13.5px;line-height:1.5}@media (max-width:860px){.hvac-page .client-cards{grid-template-columns:1fr}}@media (max-width:520px){.hvac-page .client-card{flex-direction:column;align-items:flex-start;gap:16px}.hvac-page .client-logo{border-right:none;width:auto;padding-right:0}}.hvac-page .scroll-cue{z-index:3;font-family:var(--mono);letter-spacing:.22em;text-transform:uppercase;color:var(--muted);flex-direction:column;align-items:center;gap:10px;font-size:10px;display:flex;position:absolute;bottom:-10px;left:50%;transform:translate(-50%)}.hvac-page .scroll-cue .track{background:var(--line);width:1px;height:48px;position:relative;overflow:hidden}.hvac-page .scroll-cue .track:after{content:"";background:linear-gradient(180deg,transparent,var(--plum));width:100%;height:16px;animation:2.4s ease-in-out infinite scrollCue;position:absolute;top:0;left:0}@keyframes scrollCue{0%{transform:translateY(-100%)}to{transform:translateY(360%)}}@media (max-width:1080px){.hvac-page .process-grid,.hvac-page .trusted-row{grid-template-columns:repeat(3,1fr)}.hvac-page .process-grid:before{display:none}}@media (max-width:720px){.hvac-page .process-grid,.hvac-page .trusted-row{grid-template-columns:repeat(2,1fr)}}.hvac-page .cases{gap:16px;display:grid}.hvac-page .case{border:1px solid var(--line);box-shadow:var(--shadow-card);background:#fff;border-radius:22px;grid-template-columns:1fr 1.1fr;transition:all .25s;display:grid;overflow:hidden}.hvac-page .case:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.hvac-page .case:nth-child(2n){grid-template-columns:1.1fr 1fr}.hvac-page .case:nth-child(2n) .case-media{order:2}.hvac-page .case-media{background:radial-gradient(60% 60% at 30% 20%,#6b3fa01f,transparent 70%),radial-gradient(50% 50% at 80% 80%,#5f9a4614,transparent 70%),var(--bg-2);justify-content:center;align-items:center;min-height:480px;display:flex;position:relative;overflow:hidden}.hvac-page .case-media .image-slot{width:calc(100% - 32px);height:calc(100% - 32px);min-height:440px;color:var(--muted);font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;background:#fff9;border:1px dashed #6b3fa04d;border-radius:12px;justify-content:center;align-items:center;font-size:11px;display:flex}.hvac-page .case-body{flex-direction:column;justify-content:center;padding:56px;display:flex}.hvac-page .case-body .meta{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--plum-deep);align-items:center;gap:12px;margin-bottom:24px;font-size:11px;display:flex}.hvac-page .case-body .meta .dot{background:var(--leaf);border-radius:50%;width:5px;height:5px}.hvac-page .case-body h3{letter-spacing:-.025em;margin-bottom:20px;font-size:44px;font-weight:400;line-height:1.04}.hvac-page .case-body .client{font-family:var(--serif);color:var(--plum);margin-bottom:18px;font-size:22px;font-style:italic;font-weight:400}.hvac-page .case-body p{color:var(--ink-3);max-width:56ch;margin-bottom:32px;font-size:16px;line-height:1.65}.hvac-page .case-stats{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:18px;padding-top:28px;display:grid}.hvac-page .case-stats .n{font-family:var(--serif);letter-spacing:-.025em;margin-bottom:6px;font-size:36px;font-weight:400;line-height:1}.hvac-page .case-stats .n em{color:var(--plum);font-style:normal}.hvac-page .case-stats .l{color:var(--muted);font-size:12px;line-height:1.4}.hvac-page .testimonial{background:radial-gradient(50% 50% at 15% 50%,#6b3fa01a,transparent 60%),radial-gradient(50% 50% at 85% 50%,#5f9a4614,transparent 60%),linear-gradient(180deg,var(--bg-2)0%,#fff 100%);color:var(--ink);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:140px 0;position:relative;overflow:hidden}.hvac-page .testimonial .container{z-index:2;position:relative}.hvac-page .testimonial blockquote{font-family:var(--serif-display);letter-spacing:-.02em;text-align:center;max-width:26ch;color:var(--ink);margin:0 auto;padding:0;font-size:clamp(32px,4vw,56px);font-weight:400;line-height:1.22;position:relative}.hvac-page .testimonial blockquote:before{content:"“";font-family:var(--serif-display);color:var(--plum);opacity:.22;font-size:200px;line-height:1;position:absolute;top:-110px;left:50%;transform:translate(-50%)}.hvac-page .testimonial blockquote em{background:linear-gradient(135deg,var(--leaf-deep),var(--plum));color:#0000;-webkit-background-clip:text;background-clip:text;font-style:italic}.hvac-page .testimonial cite{text-align:center;color:var(--ink-3);letter-spacing:.04em;margin-top:40px;font-size:14px;font-style:normal;display:block}.hvac-page .testimonial .testimonial-avatar{object-fit:cover;border:3px solid #fff;border-radius:50%;width:64px;height:64px;margin:0 auto 16px;box-shadow:0 8px 22px -10px #4a2c7a66}.hvac-page .testimonial cite strong{font-family:var(--serif-display);color:var(--ink);letter-spacing:-.015em;margin-bottom:6px;font-size:22px;font-weight:400;display:block}.hvac-page .stack-head{text-align:left}.hvac-page .stack-cols{grid-template-columns:repeat(4,1fr);gap:16px;display:grid}.hvac-page .stack-col{border:1px solid var(--line);min-height:460px;box-shadow:var(--shadow-sm);background:#fff;border-radius:18px;flex-direction:column;padding:32px 28px;transition:all .25s;display:flex}.hvac-page .stack-col:hover{box-shadow:var(--shadow);transform:translateY(-3px)}.hvac-page .stack-col .ix{font-family:var(--mono);letter-spacing:.18em;color:var(--muted);margin-bottom:22px;font-size:11px}.hvac-page .stack-col .ico{width:44px;height:44px;color:var(--plum);margin-bottom:22px}.hvac-page .stack-col:nth-child(2) .ico{color:var(--leaf-deep)}.hvac-page .stack-col:nth-child(3) .ico{color:var(--plum)}.hvac-page .stack-col:nth-child(4) .ico{color:var(--leaf-deep)}.hvac-page .stack-col h3{font-family:var(--serif);letter-spacing:-.02em;margin-bottom:12px;font-size:26px;font-weight:500}.hvac-page .stack-col>p{color:var(--ink-3);margin-bottom:24px;font-size:14.5px;line-height:1.55}.hvac-page .stack-col .grp{margin-bottom:20px}.hvac-page .stack-col .grp:last-child{margin-bottom:0}.hvac-page .stack-col .grp h5{font-family:var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--plum-deep);margin:0 0 10px;font-size:10.5px;font-weight:500}.hvac-page .stack-col .grp .pills{flex-wrap:wrap;gap:6px;display:flex}.hvac-page .stack-col .grp .pill{font-family:var(--mono);background:var(--bg-2);border:1px solid var(--line);color:var(--ink-2);border-radius:999px;padding:4px 10px;font-size:11px}.hvac-page .brand-wall{background:var(--line);border:1px solid var(--line);box-shadow:var(--shadow-card);border-radius:18px;grid-template-columns:repeat(4,1fr);gap:1px;display:grid;overflow:hidden}.hvac-page .brand{background:#fff;justify-content:center;align-items:center;min-height:176px;padding:28px 36px;transition:background .25s;display:flex}.hvac-page .brand:hover{background:var(--bg-2)}.hvac-page .brand img{object-fit:contain;filter:grayscale();opacity:.62;width:auto;max-width:100%;max-height:50px;transition:filter .3s,opacity .3s,transform .3s}.hvac-page .brand:hover img{filter:grayscale(0);opacity:1;transform:scale(1.04)}.hvac-page .brand--lg img{max-height:66px}.hvac-page .brand--xl img{max-height:96px}.hvac-page .brand--xxl img{max-height:116px}@media (max-width:1180px){.hvac-page .brand-wall{grid-template-columns:repeat(3,1fr)}}@media (max-width:720px){.hvac-page .brand-wall{grid-template-columns:repeat(2,1fr)}.hvac-page .brand{min-height:148px;padding:22px 18px}.hvac-page .brand img{max-height:42px}.hvac-page .brand--lg img{max-height:54px}.hvac-page .brand--xl img,.hvac-page .brand--xxl img{max-height:92px}}.hvac-page .cta{background:linear-gradient(180deg,#fff 0%,var(--bg-2)60%,#fff 100%);color:var(--ink);border-top:1px solid var(--line);padding:140px 0 60px;position:relative;overflow:hidden}.hvac-page .cta:before{content:"";pointer-events:none;background:radial-gradient(circle,#6b3fa029,#0000 62%);border-radius:50%;width:680px;height:680px;position:absolute;top:-260px;right:-200px}.hvac-page .cta:after{content:"";pointer-events:none;background:radial-gradient(circle,#5f9a461f,#0000 65%);border-radius:50%;width:540px;height:540px;position:absolute;bottom:-260px;left:-180px}.hvac-page .cta-grid{grid-template-columns:1.5fr 1fr;align-items:end;gap:80px;margin-bottom:120px;display:grid;position:relative}.hvac-page .cta h2{color:var(--ink);letter-spacing:-.028em;font-size:clamp(50px,6.2vw,96px);font-weight:400;line-height:1.04}.hvac-page .cta h2 em{color:var(--leaf-deep);font-style:italic}.hvac-page .cta h2 .plum{color:var(--plum);font-style:italic}.hvac-page .cta-side{color:var(--ink-3);max-width:420px;font-size:16px;line-height:1.65}.hvac-page .cta-side .btn-primary{background:var(--ink);color:#fff;margin-top:24px;box-shadow:0 12px 28px -10px #0e14224d}.hvac-page .cta-side .btn-primary:hover{background:var(--plum);transform:translateY(-1px)}.hvac-page .foot{border-top:1px solid var(--line);color:var(--ink-3);grid-template-columns:1.5fr 1.5fr 1fr;gap:48px;padding-top:48px;font-size:14px;display:grid;position:relative}.hvac-page .foot .col-brand .logo{color:var(--ink);margin-bottom:18px}.hvac-page .foot .col-brand .logo small{color:var(--muted)}.hvac-page .foot .col-brand p{max-width:280px;line-height:1.6}.hvac-page .foot h5{font-family:var(--sans);letter-spacing:.18em;text-transform:uppercase;color:var(--plum);margin:0 0 18px;font-size:11px;font-weight:500}.hvac-page .foot ul{margin:0;padding:0;list-style:none}.hvac-page .foot li{padding:6px 0}.hvac-page .foot li a:hover{color:var(--plum)}.hvac-page .foot .foot-link{align-items:flex-start;gap:10px;transition:color .2s;display:flex}.hvac-page .foot .foot-ico{width:16px;height:16px;color:var(--plum);flex-shrink:0;margin-top:2px}.hvac-page .foot-social{gap:8px;display:flex}.hvac-page .foot-social a{border:1px solid var(--line);width:38px;height:38px;color:var(--ink-3);background:#fff;border-radius:50%;justify-content:center;align-items:center;transition:all .22s;display:inline-flex}.hvac-page .foot-social a:hover{color:#fff;background:var(--plum);border-color:var(--plum);transform:translateY(-2px)}.hvac-page .foot-social a svg{width:17px;height:17px}.hvac-page .foot-base{border-top:1px solid var(--line);color:var(--muted);letter-spacing:.04em;justify-content:space-between;margin-top:64px;padding-top:24px;font-size:12px;display:flex;position:relative}@media (max-width:1180px){.hvac-page .hero-grid,.hvac-page .section-head,.hvac-page .why-grid,.hvac-page .cta-grid{grid-template-columns:1fr;gap:48px}.hvac-page .cap-feat{grid-column:span 12}.hvac-page .cap-sm,.hvac-page .cap-mini{grid-column:span 6}.hvac-page .ind-grid{grid-template-columns:1fr 1fr}.hvac-page .stat-band{grid-template-columns:repeat(2,1fr)}.hvac-page .stat-band .stat:nth-child(2){border-right:none}.hvac-page .stat-band .stat:first-child,.hvac-page .stat-band .stat:nth-child(2){border-bottom:1px solid var(--line)}.hvac-page .case{grid-template-columns:1fr!important}.hvac-page .case-body{padding:40px 32px}.hvac-page .case-media{min-height:360px}.hvac-page .stack-cols{grid-template-columns:1fr 1fr}.hvac-page .hvac-grid{grid-template-columns:1fr}.hvac-page .stack-3d-inner{transform:rotateX(50deg)rotate(-30deg)}.hvac-page .slab{width:320px;height:200px;margin-top:-100px;margin-left:-160px}.hvac-page .foot{grid-template-columns:1fr 1fr}}@media (max-width:760px){.hvac-page .nav-links{display:none}.hvac-page section.block{padding:80px 0}.hvac-page .stat-band{grid-template-columns:1fr}.hvac-page .stat-band .stat{border-right:none;border-bottom:1px solid var(--line)}.hvac-page .ind-grid{grid-template-columns:1fr}.hvac-page .cap-sm{grid-column:span 12}.hvac-page .stack-cols,.hvac-page .case-stats,.hvac-page .foot{grid-template-columns:1fr}.hvac-page .card-selection{width:200px;left:-2%}.hvac-page .card-chart{width:180px;left:-4%}.hvac-page .card-chat{width:200px;right:-4%}.hvac-page .stack-3d{height:360px}.hvac-page .hero-callout,.hvac-page .hero-canvas{display:none}.hvac-page .hero{padding-top:56px}.hvac-page .hvac-card{padding:32px 24px}.hvac-page .hvac-card .lists{grid-template-columns:1fr}}