:root{--ink:#262a27;--muted:#6d716b;--paper:#f8f8f4;--line:#dcded6;--soft:#edeee8;--copper:#a34d30;--copper-hover:#843b24;--dark:#242c29;--cold:#3b83bd;--warm:#d6744d;--radius:4px;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased}body.locked{overflow:hidden}button,input,select,textarea{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}button:disabled{opacity:.4;cursor:not-allowed}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #bc7052;outline-offset:4px}img{max-width:100%;display:block}p{line-height:1.6}h1,h2,h3,h4,p{margin-top:0}h1,h2,h3{font-weight:400}h1{letter-spacing:-.065em}h2{font-size:clamp(36px,4.1vw,60px);line-height:1.08;letter-spacing:-.05em}h3{font-size:26px;letter-spacing:-.035em;line-height:1.2}svg{display:block}button svg,a svg{flex-shrink:0}::selection{background:#dbb69e;color:var(--ink)}[hidden]{display:none!important}.wrap{max-width:1440px;padding:0 64px;margin:auto}.section{padding-top:116px;padding-bottom:116px}.kicker{text-transform:uppercase;font-size:11px;letter-spacing:.14em;line-height:1.5;font-weight:600;display:flex;align-items:center;gap:10px}.kicker:before{content:'';width:6px;height:6px;background:var(--copper)}.muted{color:var(--muted)}.small{font-size:13px}.eyebrow{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.btn{min-height:52px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;gap:24px;border:1px solid transparent;border-radius:3px;background:var(--copper);color:white;font-size:14px;transition:background .2s,transform .2s}.btn:hover{background:var(--copper-hover)}.btn:active{transform:translateY(1px)}.btn.dark{background:var(--dark)}.btn.dark:hover{background:#121c17}.btn.outline{background:transparent;color:var(--ink);border-color:var(--line)}.btn.outline:hover{background:var(--soft)}.btn.light{background:var(--paper);color:var(--ink)}.text-link{display:inline-flex;align-items:center;gap:26px;padding:12px 0;border-bottom:1px solid var(--ink);font-size:14px}.text-link:hover{color:var(--copper);border-color:var(--copper)}.icon-btn{width:44px;height:44px;display:grid;place-items:center;background:none;border:1px solid var(--line);border-radius:50%}.icon-btn:hover{background:var(--soft)}.skip{position:absolute;top:-80px;left:12px;z-index:90;background:white;padding:12px}.skip:focus{top:10px}
/* Navigation */
.header{height:90px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30;background:rgba(248,248,244,.96);backdrop-filter:blur(16px)}.header-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:block;width:145px;overflow:hidden;flex-shrink:0}.brand img{width:183px;max-width:none;mix-blend-mode:multiply;transform:translateX(-2px)}.navigation{display:flex;align-items:center;gap:30px}.navigation a{font-size:13px;color:#4c514b;padding:14px 0;position:relative}.navigation a:hover,.navigation a[aria-current=page]{color:var(--copper)}.navigation a[aria-current=page]:after{content:'';height:2px;position:absolute;bottom:3px;left:0;right:0;background:var(--copper)}.header .btn{min-height:42px;padding:0 18px;font-size:12px;gap:18px}.menu-toggle{display:none}.header-right{display:flex;align-items:center;gap:20px}.location{font-size:11px;color:var(--muted);display:flex;gap:6px;align-items:center}
/* Home */
.hero{padding-top:58px}.hero-top{display:flex;align-items:flex-end;justify-content:space-between;gap:60px;padding-bottom:44px}.hero h1{font-size:clamp(66px,7.4vw,114px);line-height:.98;margin:22px 0 0}.hero h1 span{color:#7f887e}.hero-copy{width:350px;flex-shrink:0;padding-bottom:4px}.hero-copy p{font-size:16px;color:#666d64;max-width:340px;margin:0 0 27px}.hero-visual{height:520px;position:relative;overflow:hidden;background:#ddd9cd;border-radius:4px}.hero-visual>img{width:100%;height:100%;object-fit:cover;object-position:center 56%;animation:hero-in 1.2s var(--ease) both}.hero-visual:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(24,30,22,.48));pointer-events:none}.hero-caption{position:absolute;left:32px;bottom:28px;z-index:2;color:white;display:flex;gap:14px;align-items:center}.hero-caption .circle{display:grid;place-items:center;width:38px;height:38px;border:1px solid #ffffff70;border-radius:50%}.hero-caption span{font-size:11px;letter-spacing:.08em;line-height:1.6;text-transform:uppercase}.hero-photo-label{position:absolute;right:25px;bottom:27px;z-index:2;font-size:10px;color:#fff9}.hotspot{position:absolute;left:76%;top:54%;z-index:3;display:flex;align-items:center;gap:12px;border:0;background:none;color:white;text-align:left}.hotspot-plus{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:rgba(248,248,244,.92);color:var(--ink);box-shadow:0 0 0 8px #ffffff25;transition:box-shadow .25s}.hotspot:hover .hotspot-plus{box-shadow:0 0 0 15px #ffffff20}.hotspot-info{background:#273029d9;backdrop-filter:blur(12px);border-radius:3px;padding:12px 16px;font-size:12px;line-height:1.5}.hero-bottom{display:flex;justify-content:space-between;align-items:center;padding:23px 0;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.hero-bottom-items{display:flex;gap:28px}.hero-bottom-items span{display:flex;align-items:center;gap:8px}.hero-bottom .down{display:flex;align-items:center;gap:10px}.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;margin-bottom:48px}.section-head h2{margin:20px 0 0;max-width:720px}.section-head>p{width:325px;margin:0;color:var(--muted);font-size:15px}.section-head>.text-link{flex-shrink:0;margin-bottom:5px}.solutions-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:20px}.solution{position:relative;background:var(--soft);padding:28px;min-height:315px;overflow:hidden;display:flex;flex-direction:column;justify-content:space-between;transition:transform .3s;isolation:isolate}.solution:hover{transform:translateY(-5px)}.solution.featured{background:var(--dark);color:white}.solution h3{max-width:180px;font-size:32px}.solution .num{font-size:11px;opacity:.6}.solution p{font-size:13px;max-width:240px;color:var(--muted);margin:10px 0 0}.solution.featured p{color:#d4d8ce}.solution-arrow{position:absolute;right:26px;top:27px}.solution-icon{width:94px;height:94px;align-self:flex-end;margin:2px 0 20px;color:#9ba18d}.solution.featured .solution-icon{color:#b9c9ac}.solution-body{position:relative;z-index:1}.solution .solution-decor{position:absolute;right:-10px;top:70px;width:160px;height:160px;border:1px solid #a3a99b55;border-radius:50%;z-index:0}.solution .solution-decor:before,.solution .solution-decor:after{content:'';position:absolute;border:1px solid #a3a99b55;border-radius:50%;inset:15px}.solution .solution-decor:after{inset:30px}.intro{background:var(--soft);padding-top:100px;padding-bottom:100px}.intro-inner{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.intro h2{max-width:740px;font-size:clamp(34px,3.5vw,51px);line-height:1.2;margin-bottom:40px}.intro h2 span{color:#858e80}.intro-details{display:grid;grid-template-columns:1fr 1fr;gap:50px}.intro-details h4{font-size:15px;font-weight:400}.intro-details p{font-size:14px;color:var(--muted);margin-bottom:0}
/* System illustration */
.system-section{background:var(--dark);color:var(--paper)}.system-section .kicker:before{background:#e5a47d}.system-section .section-head{align-items:flex-start}.system-section .section-head p{color:#b1bab0}.system-tabs{display:inline-flex;padding:4px;border:1px solid #ffffff2b;border-radius:4px;margin-bottom:20px}.system-tab{padding:13px 23px;border:none;background:transparent;color:#b9c1b7;display:flex;align-items:center;gap:9px;border-radius:2px;font-size:13px}.system-tab[aria-selected=true]{background:#ebc3a5;color:#32382e}.system-tab[data-mode=cool][aria-selected=true]{background:#abd0e9;color:#1e3d53}.system-stage{background:#eef0e9;border-radius:5px;overflow:hidden;position:relative;color:var(--ink)}.system-stage .diagram-scroll>svg{width:100%;height:auto;display:block}.system-meta{display:flex;justify-content:space-between;align-items:center;padding:24px 30px 0;font-size:11px;text-transform:uppercase;letter-spacing:.09em}.live-indicator{display:flex;align-items:center;gap:7px;color:#747d6e}.live-indicator:before{content:'';width:6px;height:6px;background:#7a8e71;border-radius:50%}.diagram-bg{fill:#e6e9df}.diagram-wall{fill:#fafbf7;stroke:#b9c1b3;stroke-width:1.5}.diagram-line{fill:none;stroke:#b9c1b3;stroke-width:1.5}.diagram-label{font-family:Arial,sans-serif;font-size:13px;fill:#4b5548}.diagram-label.small{font-size:11px;fill:#7d8676}.diagram-label.strong{font-size:16px;fill:#313b2b;font-weight:600}.water-pipe{fill:none;stroke:#c8cec1;stroke-width:8;stroke-linecap:round;stroke-linejoin:round}.water-supply{stroke:#cf714d}.water-return{stroke:#739bba}.flow{fill:none;stroke:#fff;stroke-width:2;stroke-dasharray:1 26;stroke-linecap:round;animation:flow 2.8s linear infinite}.flow.reverse{animation-direction:reverse}.inactive-pipe{opacity:.17}.inactive-pipe .flow{display:none}.system-stage.cool .water-supply{stroke:#478bc1}.system-stage.cool .water-return{stroke:#8f83ab}.active-heating .emitter{fill:#e5b99d}.active-cooling .emitter{fill:#b6d4e2}.diagram-ambient{stroke:#b2c0a8;fill:none;stroke-width:2;stroke-dasharray:6 7;animation:flow 4s linear infinite}.diagram-stats{position:absolute;left:38px;top:80px;display:flex;gap:10px}.diagram-stat{background:#f8f9f4;border:1px solid #d5dacf;padding:10px 14px;border-radius:3px;min-width:100px}.diagram-stat span{display:block;font-size:10px;color:var(--muted);margin-bottom:5px}.diagram-stat b{font-size:22px;letter-spacing:-.04em;font-weight:400}.flow-legend{border-top:1px solid #d8ded1;padding:18px 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:12px}.legend-items{display:flex;gap:22px}.legend-items>span{display:flex;gap:9px;align-items:center}.legend-line{width:23px;height:3px;display:inline-block;background:#cf714d}.legend-line.return{background:#739bba}.system-stage.cool .legend-line.supply{background:#478bc1}.system-stage.cool .legend-line.return{background:#8f83ab}.play-toggle{border:0;display:flex;align-items:center;gap:7px;background:none;font-size:12px;padding:8px}.system-stage.paused .flow,.system-stage.paused .diagram-ambient{animation-play-state:paused}.system-explainer{display:grid;grid-template-columns:1.2fr 1fr;gap:80px;margin-top:32px}.system-explainer h3{font-size:21px;color:#ebeee5}.system-explainer p{font-size:14px;color:#b1bab0;margin:0}.system-notes{border-left:1px solid #ffffff30;padding-left:30px;font-size:12px;color:#aab4a6;line-height:1.7}.system-notes strong{font-weight:400;color:#e4e9e0}.refrigerant-note{fill:#cead84;font-size:10px}
/* Catalogue */
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-card{min-width:0}.product-visual{background:#eeede8;aspect-ratio:1.23;position:relative;overflow:hidden;border-radius:3px}.product-visual>a{display:block;height:100%}.product-visual img{height:100%;width:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .65s var(--ease)}.product-card:hover .product-visual img{transform:scale(1.06)}.product-card[data-id=air-r32] .product-visual img{filter:brightness(1.22);transform:scale(.86)}.product-card[data-id=air-r32]:hover .product-visual img{transform:scale(.91)}.product-badge{position:absolute;left:18px;top:17px;font-size:10px;letter-spacing:.05em;padding:7px 9px;border:1px solid #d3d5ca;background:#f8f8f3cc;border-radius:2px}.compare-add{position:absolute;right:14px;bottom:14px;background:#f9faf5cf;border:1px solid #d3d5ca;width:35px;height:35px;border-radius:50%;display:grid;place-items:center}.compare-add.selected{background:var(--dark);color:white}.product-card h3{font-size:24px;margin:20px 0 10px}.product-card p{color:var(--muted);font-size:13px;max-width:320px;min-height:42px;margin-bottom:20px}.product-card-bottom{border-top:1px solid var(--line);padding-top:14px;display:flex;align-items:center;justify-content:space-between;font-size:12px}.product-card-bottom>span{color:var(--muted)}.visual-note{font-size:10px;color:var(--muted);margin:20px 0 0}.catalog-heading{padding-top:56px;padding-bottom:38px}.breadcrumb{display:flex;gap:9px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:40px}.breadcrumb a:hover{color:var(--copper)}.catalog-heading h1,.page-heading h1{font-size:clamp(48px,5.8vw,82px);margin:15px 0 22px;line-height:1.05}.catalog-heading>p{color:var(--muted);max-width:600px;font-size:16px}.catalog-toolbar{display:flex;justify-content:space-between;gap:24px;align-items:center;margin-bottom:34px;padding-bottom:24px;border-bottom:1px solid var(--line)}.filter-tabs{display:flex;gap:7px;flex-wrap:wrap}.filter-tab{padding:10px 17px;border:1px solid var(--line);background:transparent;font-size:12px;border-radius:3px}.filter-tab.active{background:var(--dark);color:white;border-color:var(--dark)}.search-field{display:flex;align-items:center;border-bottom:1px solid #b6bdb0;padding:8px 0;gap:9px;max-width:280px}.search-field input{border:0;background:none;font-size:13px;outline:0;min-width:0;width:100%;padding:4px}.catalog-count{color:var(--muted);font-size:12px;margin:0 0 20px}.empty-state{grid-column:1/-1;text-align:center;padding:70px 24px;background:var(--soft)}.empty-state h3{font-size:24px}.empty-state p{color:var(--muted);font-size:14px}.catalog-help{display:flex;justify-content:space-between;gap:35px;align-items:center;margin-top:60px;padding:36px;background:var(--soft)}.catalog-help h3{margin:0 0 7px}.catalog-help p{margin:0;color:var(--muted);font-size:14px}.compare-bar{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);z-index:40;background:var(--dark);color:white;border-radius:5px;padding:14px 18px 14px 24px;box-shadow:0 10px 50px #0003;display:flex;align-items:center;gap:25px;max-width:calc(100% - 32px);width:510px}.compare-bar p{margin:0;font-size:13px;flex:1}.compare-bar .btn{min-height:40px;font-size:12px;padding:0 16px}.compare-bar button[data-clear-compare]{background:none;color:white;border:0;padding:6px}.compare-table{overflow:auto}.compare-table table{border-collapse:collapse;width:100%;min-width:600px;font-size:13px}.compare-table th,.compare-table td{text-align:left;vertical-align:top;padding:18px;border-bottom:1px solid var(--line)}.compare-table th{font-weight:400;color:var(--muted)}.compare-table thead th{font-size:20px;color:var(--ink)}
/* Process and documents */
.process{border-top:1px solid var(--line)}.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px}.process-item{border-top:1px solid #b5bdad;padding-top:20px}.process-item span{color:var(--copper);font-size:12px}.process-item h3{font-size:22px;margin:30px 0 16px}.process-item p{font-size:13px;color:var(--muted);margin:0}.docs-band{background:#e9ece3}.docs-layout{display:grid;grid-template-columns:1fr 1.05fr;gap:100px;align-items:center}.docs-layout h2{margin:20px 0 25px}.docs-layout p{font-size:15px;color:var(--muted);max-width:420px}.doc-row{display:flex;gap:24px;align-items:center;border-top:1px solid #bfc6b7;padding:25px 0}.doc-row:last-child{border-bottom:1px solid #bfc6b7}.doc-icon{height:56px;width:44px;border:1px solid #9ca792;display:grid;place-items:center;font-size:11px;flex-shrink:0;position:relative}.doc-row h3{font-size:18px;margin:0 0 7px}.doc-row p{font-size:12px;margin:0}.doc-row>svg{margin-left:auto;flex-shrink:0}.doc-row:hover{color:var(--copper)}.faq-grid{display:grid;grid-template-columns:1fr 1.4fr;gap:100px}.faq-grid h2{margin-top:20px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{padding:25px 38px 25px 0;list-style:none;font-size:17px;cursor:pointer;position:relative;line-height:1.4}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:'+';position:absolute;right:5px;top:24px;font-weight:300;font-size:22px;color:var(--muted)}.faq-list details[open] summary:after{content:'−'}.faq-list details p{font-size:14px;color:var(--muted);padding-right:25px;line-height:1.7;margin-bottom:28px}.cta{background:var(--dark);color:white;padding:68px 0}.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:50px}.cta h2{font-size:clamp(34px,3.8vw,54px);max-width:720px;margin-bottom:15px}.cta p{font-size:14px;color:#b8c1b4;margin:0}.cta .btn{flex-shrink:0}.footer{padding-top:58px;padding-bottom:27px}.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:50px;margin-bottom:65px}.footer-description{max-width:250px;font-size:13px;color:var(--muted);margin:22px 0 0}.footer h4{font-weight:400;font-size:12px;color:var(--muted);margin:0 0 22px}.footer-links{display:flex;flex-direction:column;gap:15px;font-size:13px}.footer-links a:hover{color:var(--copper)}.footer-bottom{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:11px}.footer-bottom button{background:transparent;border:0;font-size:11px;color:var(--muted);padding:0}.footer-bottom button:hover{color:var(--copper)}
/* Detail */
.product-detail{padding-top:42px}.detail-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:75px;align-items:center}.detail-image{background:#efeee9;border-radius:4px;position:relative;min-height:430px;display:flex;align-items:center}.detail-image img{mix-blend-mode:multiply;width:100%;height:100%;object-fit:contain}.detail-image .visual-note{position:absolute;bottom:19px;left:24px;margin:0}.detail-copy h1{font-size:clamp(44px,4.4vw,64px);margin:18px 0 24px;line-height:1.04}.detail-copy>p{font-size:16px;color:var(--muted);margin-bottom:28px}.detail-features{padding:0;margin:0 0 32px;list-style:none}.detail-features li{padding:11px 0;border-top:1px solid var(--line);font-size:13px;display:flex;gap:12px}.detail-features li:before{content:'↗';color:var(--copper)}.detail-actions{display:flex;gap:15px;flex-wrap:wrap}.detail-tabs{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;gap:36px;margin-top:70px}.detail-tabs button{padding:23px 0;border:0;background:none;font-size:14px;color:var(--muted);position:relative}.detail-tabs button[aria-selected=true]{color:var(--ink)}.detail-tabs button[aria-selected=true]:after{content:'';position:absolute;bottom:-1px;height:2px;left:0;right:0;background:var(--copper)}.detail-content{padding:55px 0 0}.detail-content h2{font-size:35px}.detail-description{display:grid;grid-template-columns:1fr 1.6fr;gap:80px}.detail-description>p{margin:0;color:var(--muted);font-size:17px;line-height:1.8}.spec-table{border-collapse:collapse;width:100%;font-size:14px}.spec-table th,.spec-table td{padding:19px 22px;text-align:left;border-bottom:1px solid var(--line)}.spec-table th{width:42%;font-weight:400;color:var(--muted)}.spec-table tr:nth-child(odd){background:var(--soft)}.spec-note{font-size:12px;color:var(--muted);line-height:1.6;max-width:850px;margin:22px 0 0}.page-heading{padding-top:55px;padding-bottom:45px}.document-page{max-width:950px}.document-card{display:flex;gap:35px;align-items:center;padding:38px;border:1px solid var(--line);margin-bottom:24px}.document-card .doc-icon{width:70px;height:90px;font-size:15px}.document-card h2{font-size:27px;margin-bottom:14px}.document-card p{font-size:14px;color:var(--muted)}.document-card .btn{font-size:12px;min-height:42px}.document-note{font-size:13px;color:var(--muted);line-height:1.7;padding:25px;background:var(--soft)}
/* Modal & selection */
.dialog{border:0;padding:0;max-width:min(700px,calc(100vw - 32px));width:700px;max-height:calc(100dvh - 40px);background:var(--paper);color:var(--ink);border-radius:5px;box-shadow:0 20px 100px #10151038}.dialog::backdrop{background:#17201980;backdrop-filter:blur(5px)}.dialog-inner{padding:44px}.dialog-close{position:absolute;right:19px;top:18px;z-index:1}.dialog h2{font-size:35px;margin:18px 0 18px;max-width:540px}.dialog p{color:var(--muted);font-size:14px}.dialog.wide{width:1000px;max-width:min(1000px,calc(100vw - 32px))}.dialog .kicker{padding-right:30px}.wizard-progress{display:flex;gap:5px;margin:26px 0 34px}.wizard-progress span{height:3px;background:var(--line);flex:1}.wizard-progress span.on{background:var(--copper)}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:25px 0}.choice{background:transparent;border:1px solid var(--line);padding:23px 16px;text-align:left;border-radius:3px;min-height:125px;display:flex;flex-direction:column;gap:18px;font-size:13px;transition:border-color .2s,background .2s}.choice.selected{border-color:var(--copper);background:#f1e8df}.choice svg{color:var(--muted)}.wizard-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-top:32px}.wizard-footer .back{border:0;background:none;color:var(--muted);font-size:13px;padding:14px 0}.step-count{font-size:12px;color:var(--muted)}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field{display:flex;flex-direction:column;gap:10px;font-size:13px}.field.full{grid-column:1/-1}.field input,.field select,.field textarea{border:1px solid var(--line);border-radius:3px;background:#fff9;padding:14px;color:var(--ink);width:100%;min-height:48px;font-size:14px}.field textarea{resize:vertical;min-height:85px}.field-hint{font-size:11px;color:var(--muted);line-height:1.5}.error{color:#a13d2d;font-size:12px;margin-top:12px;line-height:1.5}.check-grid{display:flex;flex-wrap:wrap;gap:10px;margin-top:15px}.check-option{border:1px solid var(--line);padding:12px 14px;display:flex;gap:9px;align-items:center;font-size:13px;cursor:pointer;border-radius:3px}.check-option:has(input:checked){background:#f1e8df;border-color:var(--copper)}.check-option input{accent-color:var(--copper);width:15px;height:15px;margin:0}.brief-summary{padding:22px;background:var(--soft);margin:26px 0;font-size:13px;line-height:1.8;white-space:pre-wrap}.result-actions{display:flex;gap:12px;flex-wrap:wrap}.success-icon{width:50px;height:50px;border:1px solid #8a9b7e;border-radius:50%;display:grid;place-items:center;color:#647756;margin-bottom:22px}.toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:80;max-width:calc(100vw - 40px);background:var(--ink);color:white;padding:14px 22px;border-radius:4px;font-size:13px;text-align:center;box-shadow:0 10px 30px #0002}.reveal{opacity:0;transform:translateY(24px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.reveal.visible{opacity:1;transform:none}@keyframes hero-in{from{transform:scale(1.025);opacity:.7}to{transform:scale(1);opacity:1}}@keyframes flow{to{stroke-dashoffset:-108}}
/* Responsive */
@media(min-width:1600px){.hero-visual{height:570px}}
@media(max-width:1150px){.wrap{padding-left:38px;padding-right:38px}.navigation{gap:19px}.header .location{display:none}.hero h1{font-size:88px}.hero-copy{width:300px}.hero-visual{height:460px}.hotspot{left:73%}.hotspot-info{display:none}.section{padding-top:90px;padding-bottom:90px}.docs-layout,.faq-grid{gap:60px}.detail-grid{gap:40px}.detail-copy h1{font-size:46px}.product-card h3{font-size:21px}.diagram-stat{padding:8px 10px;min-width:85px}.diagram-stats{left:25px;top:70px}}
@media(max-width:850px){.header{height:76px}.navigation{gap:17px}.navigation a{font-size:12px}.header .btn{display:none}.hero-top{gap:30px}.hero h1{font-size:72px}.hero-copy{width:260px}.hero-copy p{font-size:14px}.hero-bottom-items{gap:16px}.intro-inner{grid-template-columns:1fr;gap:35px}.solutions-grid{gap:13px}.solution{padding:23px;min-height:295px}.solution h3{font-size:28px}.solution-arrow{right:20px}.section-head>p{width:240px;font-size:14px}.product-grid{gap:18px}.product-card h3{font-size:20px}.product-visual{aspect-ratio:1}.product-badge{left:10px;top:10px;font-size:9px}.process-grid{grid-template-columns:1fr 1fr;gap:40px}.docs-layout,.faq-grid{grid-template-columns:1fr;gap:35px}.docs-layout h2{max-width:570px}.docs-layout p{max-width:600px}.cta-inner{align-items:flex-start;flex-direction:column;gap:30px}.footer-top{grid-template-columns:1.4fr 1fr 1fr;gap:25px}.system-explainer{gap:35px}.system-meta{padding:20px 22px 0}.diagram-stats{position:static;padding:18px 22px 0}.diagram-stat{display:flex;align-items:baseline;gap:15px;min-width:0;padding:8px 12px}.diagram-stat span{margin:0}.diagram-stat b{font-size:18px}.detail-grid{grid-template-columns:1fr 1fr;gap:25px}.detail-image{min-height:330px}.detail-copy h1{font-size:40px}.detail-copy>p{font-size:14px}.detail-features{margin-bottom:20px}.detail-features li{font-size:12px}.detail-actions{gap:8px}.detail-actions .btn{padding:0 16px;font-size:12px;min-height:44px}.detail-description{gap:35px}.detail-description>p{font-size:15px}.catalog-toolbar{align-items:flex-start;flex-direction:column}.search-field{width:100%;max-width:none}}
@media(max-width:640px){.wrap{padding-left:22px;padding-right:22px}.section{padding-top:70px;padding-bottom:70px}.header{height:70px}.brand{width:122px}.brand img{width:155px}.menu-toggle{display:grid;border:0;z-index:32}.header-right{gap:0}.navigation{display:none;position:absolute;top:69px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--paper);padding:18px 24px 28px;border-bottom:1px solid var(--line);gap:0;box-shadow:0 20px 30px #00000008}.navigation.open{display:flex}.navigation a{font-size:18px;padding:18px 0;border-bottom:1px solid var(--line)}.hero{padding-top:35px}.hero-top{display:block;padding-bottom:30px}.hero .kicker{font-size:9px;letter-spacing:.12em}.hero h1{font-size:clamp(56px,12.7vw,80px);margin-top:23px}.hero-copy{width:auto;margin-top:28px;max-width:340px}.hero-copy p{font-size:14px;margin-bottom:22px}.hero-copy .btn{width:auto;min-height:48px;font-size:13px}.hero-visual{height:370px;margin:0 -10px}.hero-visual>img{object-position:61% 50%}.hero-caption{left:18px;bottom:22px;gap:10px}.hero-caption span{font-size:9px}.hero-photo-label{right:16px;bottom:10px;font-size:8px}.hotspot{left:77%;top:51%}.hotspot-plus{width:32px;height:32px;box-shadow:0 0 0 6px #ffffff25}.hero-bottom{padding:20px 0}.hero-bottom-items{display:grid;grid-template-columns:1fr 1fr;gap:12px;font-size:10px}.hero-bottom-items>span:last-child{display:none}.hero-bottom .down{font-size:10px;gap:7px}.hero-bottom-items svg{width:14px;height:14px}.section-head{display:block;margin-bottom:32px}.section-head h2{font-size:37px;margin-top:18px}.section-head>p{width:auto;max-width:360px;margin-top:22px}.section-head>.text-link{margin-top:20px}.solutions-grid{grid-template-columns:1fr;gap:13px}.solution{min-height:200px;padding:25px;display:grid;grid-template-columns:1fr 94px;align-items:center;gap:10px}.solution .num{position:absolute;top:24px;left:25px}.solution h3{max-width:none;font-size:30px}.solution p{font-size:13px;max-width:240px}.solution .solution-body{grid-column:1;grid-row:1;padding-top:35px}.solution-icon{grid-column:2;grid-row:1;margin:10px 0 0;width:75px;height:75px}.solution .solution-decor{right:0;top:30px}.solution-arrow{right:25px;top:24px}.intro-inner{gap:27px}.intro h2{font-size:33px;line-height:1.22}.intro-details{gap:26px;grid-template-columns:1fr}.intro-details h4{margin-bottom:10px}.intro-details p{font-size:13px}.system-tabs{display:flex}.system-tab{flex:1;padding:13px 14px;justify-content:center;font-size:12px}.system-section .section-head{margin-bottom:28px}.system-section .section-head p{font-size:14px}.system-stage{margin-left:-10px;margin-right:-10px}.system-meta{font-size:9px;padding:18px 15px 0;letter-spacing:.05em}.live-indicator{font-size:8px}.diagram-stats{padding:14px 15px 0;gap:8px;flex-wrap:wrap}.diagram-stat{gap:9px;padding:7px 10px}.diagram-stat span{font-size:9px}.diagram-stat b{font-size:16px}.diagram-scroll{overflow-x:auto;scrollbar-width:thin}.diagram-scroll>svg{width:780px;max-width:none}.diagram-scroll-hint{display:block!important;color:#73806c;font-size:10px;text-align:center;padding:5px 10px 10px}.flow-legend{padding:12px 15px;flex-wrap:wrap;gap:8px;font-size:10px}.legend-items{gap:14px}.legend-line{width:17px}.play-toggle{font-size:10px}.system-explainer{grid-template-columns:1fr;gap:24px;margin-top:26px}.system-explainer h3{font-size:20px}.system-explainer p{font-size:13px}.system-notes{border-left:0;border-top:1px solid #ffffff30;padding-left:0;padding-top:22px;font-size:11px}.product-grid{grid-template-columns:1fr;gap:38px}.product-visual{aspect-ratio:1.38}.product-badge{left:18px;top:18px;font-size:10px}.product-card h3{font-size:26px;margin-top:19px}.product-card p{font-size:14px;max-width:100%;min-height:0}.product-card-bottom{font-size:12px}.visual-note{font-size:10px}.process-grid{grid-template-columns:1fr 1fr;gap:32px 22px}.process-item h3{font-size:20px;margin:24px 0 13px}.process-item p{font-size:12px}.docs-layout,.faq-grid{gap:25px}.doc-row{gap:20px;padding:23px 0}.doc-row h3{font-size:17px}.doc-row p{font-size:11px}.faq-list summary{font-size:16px;padding-top:22px;padding-bottom:22px}.faq-list details p{font-size:13px}.cta{padding:52px 0}.cta h2{font-size:36px}.cta p{font-size:13px}.cta-inner{gap:26px}.footer{padding-top:44px}.footer-top{grid-template-columns:1fr 1fr;gap:38px 28px;margin-bottom:40px}.footer-brand{grid-column:1/-1}.footer-description{max-width:290px;font-size:12px}.footer-links{font-size:12px;gap:17px}.footer-bottom{font-size:10px;flex-wrap:wrap;line-height:1.5}.footer-bottom button{font-size:10px}.catalog-heading,.page-heading{padding-top:35px;padding-bottom:26px}.breadcrumb{margin-bottom:30px;font-size:11px}.catalog-heading h1,.page-heading h1{font-size:48px;margin:15px 0 20px}.catalog-heading>p{font-size:14px}.filter-tabs{gap:6px}.filter-tab{padding:10px 14px;font-size:11px}.catalog-toolbar{gap:20px}.catalog-help{display:block;padding:26px;margin-top:40px}.catalog-help h3{font-size:25px}.catalog-help p{font-size:13px;margin-bottom:24px}.compare-bar{bottom:14px;gap:15px;padding:14px 14px 14px 18px}.compare-bar p{font-size:12px}.compare-bar .btn{font-size:11px;padding:0 13px}.product-detail{padding-top:30px}.detail-grid{grid-template-columns:1fr;gap:30px}.detail-image{min-height:300px}.detail-image .visual-note{font-size:9px;left:18px;bottom:14px}.detail-copy h1{font-size:45px}.detail-copy>p{font-size:15px}.detail-features li{font-size:13px}.detail-actions .btn{font-size:13px;min-height:48px;padding:0 22px}.detail-tabs{gap:24px;margin-top:40px;overflow-x:auto;overflow-y:hidden;scrollbar-width:thin}.detail-tabs button{font-size:12px;white-space:nowrap;padding:20px 0}.detail-content{padding-top:35px}.detail-content h2{font-size:29px}.detail-description{grid-template-columns:1fr;gap:10px}.detail-description>p{font-size:15px}.spec-table{font-size:12px}.spec-table th,.spec-table td{padding:15px 11px}.spec-table th{width:44%}.spec-note{font-size:11px}.document-card{padding:25px;gap:22px;align-items:flex-start}.document-card .doc-icon{width:40px;height:56px;font-size:11px}.document-card h2{font-size:23px}.document-card p{font-size:12px}.document-card .btn{padding:0 14px}.document-note{font-size:12px}.dialog{max-width:calc(100vw - 20px);max-height:calc(100dvh - 20px)}.dialog-inner{padding:34px 23px}.dialog h2{font-size:29px;margin-top:18px}.dialog-close{right:10px;top:10px;width:34px;height:34px}.dialog p{font-size:13px}.choice-grid{gap:8px}.choice{padding:18px 12px;font-size:12px;min-height:120px}.choice svg{width:23px;height:23px}.field-grid{grid-template-columns:1fr;gap:17px}.field.full{grid-column:auto}.field input,.field select,.field textarea{font-size:16px}.wizard-progress{margin-bottom:27px}.wizard-footer .btn{font-size:12px;padding:0 18px}.check-option{font-size:12px;padding:11px}.brief-summary{font-size:12px;padding:18px}.result-actions{flex-direction:column}.result-actions .btn{width:100%;font-size:12px}.dialog.wide .dialog-inner{padding-left:20px;padding-right:20px}.compare-table th,.compare-table td{padding:14px}.compare-table thead th{font-size:17px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}}

/* Portrait hydraulic diagram: every connection stays in view on a phone. */
.diagram-mobile{display:none!important}.mobile-cool{display:none}.system-stage.cool .mobile-heat{display:none}.system-stage.cool .mobile-cool{display:block}
@media(max-width:640px){.diagram-scroll{overflow:visible}.diagram-scroll>svg:not(.diagram-mobile){display:none}.diagram-scroll>.diagram-mobile{display:block!important;width:100%;height:auto}.diagram-scroll-hint{display:none!important}}

/* Extended catalogue and quote cart */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.header .location{display:none}.header-inner{gap:20px}.header-right{gap:22px}.navigation{gap:25px}.cart-link{display:flex;align-items:center;gap:8px;font-size:12px;white-space:nowrap;padding:8px 0}.cart-link:hover{color:var(--copper)}.cart-badge{display:grid;place-items:center;min-width:21px;height:21px;padding:0 5px;background:var(--soft);border-radius:50%;font-size:10px;font-variant-numeric:tabular-nums}.cart-link[aria-current=page]{color:var(--copper)}
.shop-catalog-section{padding-bottom:100px}.catalog-heading{padding-bottom:48px}.catalog-heading h1{font-size:clamp(50px,5.8vw,82px);line-height:1.02}.catalog-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:42px}.catalog-sidebar .eyebrow{margin:18px 0 25px}.catalog-sidebar .filter-tabs{flex-direction:column;gap:0}.catalog-sidebar .filter-tab{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:17px 14px;border:0;border-bottom:1px solid var(--line);font-size:12px;border-radius:0;text-align:left}.catalog-sidebar .filter-tab>span:last-child{font-size:10px;opacity:.55}.sidebar-note{margin-top:45px;border-top:1px solid var(--line);padding:30px 14px;color:#7e8876}.sidebar-note p{font-size:14px;color:var(--muted);margin:20px 0}.sidebar-note a{font-size:11px}.shop-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:4px 0 20px}.shop-toolbar .search-field{border:0;max-width:400px;width:100%}.view-switch{display:flex;border:1px solid var(--line);padding:3px;border-radius:3px;flex-shrink:0}.view-switch button{padding:8px 11px;border:0;background:none;font-size:11px}.view-switch button.active{background:var(--dark);color:white;border-radius:2px}.catalog-results-meta{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 0 26px}.catalog-results-meta p{margin:0;font-size:10px}.plain-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;background:none;font-size:12px;padding:7px 0}.plain-button:hover{color:var(--copper)}.catalog-results-meta .plain-button{font-size:10px;flex-shrink:0}.catalog-results .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:42px 25px}.shop-product{min-width:0;display:flex;flex-direction:column}.shop-product .product-visual{aspect-ratio:1.27;overflow:hidden;background:#efeee9}.shop-product .product-visual img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .6s var(--ease)}.shop-product .product-visual>a{display:block;width:100%;height:100%}.shop-product .product-visual:hover img{transform:scale(1.035)}.shop-product-body{padding-top:22px;flex:1;display:flex;flex-direction:column}.shop-product-body>.eyebrow{font-size:9px;margin-bottom:10px}.shop-product h3{font-size:25px;line-height:1.14;margin:0 0 16px;max-width:320px}.shop-product p{font-size:13px;min-height:42px;line-height:1.6;margin:0 0 21px;flex:1}.card-spec{display:flex;justify-content:space-between;gap:15px;border-top:1px solid var(--line);padding:12px 0;font-size:11px;line-height:1.4}.card-spec span{color:var(--muted)}.card-spec b{font-weight:400;text-align:right}.product-price{font-size:15px;padding:15px 0}.card-actions{display:flex;gap:10px}.card-actions>.btn{flex:1;font-size:12px;min-height:45px;padding:0 16px;gap:12px;justify-content:space-between}.details-arrow{display:grid;place-items:center;width:45px;border:1px solid var(--line);border-radius:3px}.details-arrow:hover{background:var(--soft)}.home-equipment-links{display:flex;gap:26px;margin-top:42px;padding:24px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.home-equipment-links a{display:flex;align-items:center;justify-content:space-between;flex:1;gap:16px;font-size:12px}.home-equipment-links a:hover{color:var(--copper)}.technical-scroll{overflow:auto;max-width:100%;border:1px solid var(--line);border-radius:3px;scrollbar-width:thin}.data-table{border-collapse:collapse;width:100%;font-size:12px;line-height:1.5}.data-table th,.data-table td{text-align:left;padding:18px 16px;border-bottom:1px solid var(--line);vertical-align:middle;white-space:nowrap}.data-table thead th{background:var(--dark);color:white;font-size:11px;font-weight:400;vertical-align:top}.data-table thead small{font-size:9px;color:#c2cabf;line-height:1.8}.data-table tbody th{font-weight:400}.data-table tbody tr:nth-child(even){background:#eff0ea}.data-table tbody tr:hover,.data-table tbody tr.chosen{background:#eee5db}.data-table tr:last-child th,.data-table tr:last-child td{border-bottom:0}.data-table tbody th a:hover{color:var(--copper)}.model-code{display:block;font-size:10px;color:var(--muted);margin-top:5px}.data-table .supply-cell{white-space:normal;min-width:130px;font-size:10px}.table-add{display:inline-flex;align-items:center;gap:7px;white-space:nowrap;border:1px solid #c5cbbf;border-radius:3px;padding:8px 10px;background:none;font-size:10px}.table-add:hover{color:white;background:var(--dark);border-color:var(--dark)}.table-add svg{width:16px;height:16px}.catalog-data{min-width:700px}.catalog-data th:first-child{min-width:225px}.model-select-button{border:0;background:none;padding:8px 0;border-bottom:1px solid #c7ccbf;font-size:11px;white-space:nowrap}.model-select-button:hover{color:var(--copper)}.condition-note{font-size:12px;color:var(--muted);line-height:1.8;background:var(--soft);padding:23px 25px;margin:25px 0}.condition-note b{font-weight:400;color:var(--ink)}.model-range{padding-top:70px;margin-top:60px;border-top:1px solid var(--line)}.models-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.models-head h2{font-size:38px;margin:18px 0 0}.model-table{min-width:950px}.model-picker{margin-bottom:15px;scroll-margin-top:110px}.model-picker select{font-size:12px;padding:13px;max-width:100%}.selected-model-summary{display:grid;grid-template-columns:1.3fr 1fr;gap:15px;margin:18px 0}.selected-model-summary small{display:block;font-size:10px;color:var(--muted);margin-bottom:9px}.selected-model-summary b{font-size:18px;letter-spacing:-.03em;font-weight:400}.detail-price{font-size:19px;margin:24px 0 18px}.detail-copy>.purchase-note{font-size:11px;margin:16px 0 0;line-height:1.6}.selection-note{font-size:12px;color:var(--muted);padding:18px;border:1px solid var(--line);line-height:1.7}.detail-image{height:520px}.detail-image img{max-height:100%;width:100%;object-fit:contain}.general-specs{margin-top:45px}.detail-related{border-top:1px solid var(--line);margin-top:50px;padding-top:30px;display:grid;grid-template-columns:1fr 1.6fr;gap:80px}.detail-related>span{font-size:12px;color:var(--muted)}.detail-related>div{display:flex;flex-direction:column;gap:16px}.detail-related a{font-size:14px;display:flex;justify-content:space-between;gap:12px}.detail-related a:hover{color:var(--copper)}.breadcrumb{flex-wrap:wrap;line-height:1.6}.spec-table{table-layout:fixed}.spec-table td{overflow-wrap:anywhere}.shop-cart-section{padding-bottom:105px}.cart-layout{display:grid;grid-template-columns:minmax(0,1.85fr) minmax(280px,1fr);gap:50px;align-items:start}.cart-list-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:18px;font-size:11px;color:var(--muted)}.cart-list-heading .plain-button{font-size:11px}.cart-item{display:grid;grid-template-columns:100px minmax(0,1fr) 110px;gap:24px;padding:27px 0;border-bottom:1px solid var(--line);align-items:start}.cart-thumb{background:var(--soft);border-radius:3px;overflow:hidden}.cart-thumb img{width:100%;height:110px;object-fit:contain;mix-blend-mode:multiply}.cart-item-info .eyebrow{font-size:9px;display:block;margin:0 0 9px}.cart-item-info h2{font-size:21px;line-height:1.2;margin:0 0 9px;letter-spacing:-.035em}.cart-item-info h2 a:hover{color:var(--copper)}.cart-item-info .cart-model{font-size:11px;color:var(--muted);margin:0 0 8px;line-height:1.7;overflow-wrap:anywhere}.cart-price{font-size:12px;display:block;margin-top:16px}.cart-item-controls{display:flex;flex-direction:column;align-items:center;gap:15px}.quantity-control{display:flex;height:36px;border:1px solid var(--line);border-radius:3px;overflow:hidden;background:var(--paper)}.quantity-control button{width:33px;border:0;background:none;flex-shrink:0;font-size:16px}.quantity-control button:hover{background:var(--soft)}.quantity-control input{appearance:textfield;-moz-appearance:textfield;text-align:center;width:40px;border:0;background:none;font-size:12px;padding:0;font-variant-numeric:tabular-nums}.quantity-control input::-webkit-inner-spin-button,.quantity-control input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}.remove-item{display:flex;gap:6px;align-items:center;border:0;background:none;font-size:10px;color:var(--muted);padding:4px}.remove-item:hover{color:var(--copper)}.cart-summary{position:sticky;top:120px;background:#e9ece3;padding:30px}.cart-summary h2{font-size:32px;margin:20px 0 27px}.summary-row{display:flex;justify-content:space-between;font-size:12px;gap:15px;margin:16px 0}.summary-row b{font-weight:400}.summary-price{border-top:1px solid #c6cdbc;margin-top:25px;padding-top:25px}.summary-price>span{font-size:11px;display:block;color:var(--muted)}.summary-price strong{font-size:26px;font-weight:400;display:block;margin-top:12px;letter-spacing:-.03em}.cart-summary>p{font-size:12px;color:var(--muted);margin:16px 0 25px}.cart-summary>.btn{width:100%;font-size:12px;padding:0 18px;gap:12px;justify-content:space-between}.cart-summary>.plain-button{width:100%;margin-top:16px;font-size:11px}.cart-summary>.cart-local-note{font-size:10px;margin:18px 0 0;line-height:1.7}.continue-shopping{margin-top:25px;font-size:12px}.cart-empty{background:var(--soft);padding:70px 25px;text-align:center}.cart-empty-icon{width:62px;height:62px;display:grid;place-items:center;border:1px solid #b9c3b0;border-radius:50%;margin:0 auto 25px}.cart-empty-icon svg{width:25px;height:25px}.cart-empty h2{font-size:35px}.cart-empty p{font-size:14px;color:var(--muted);margin-bottom:28px}.undo-banner{padding:18px 24px;background:#eee4d9;display:flex;align-items:center;gap:22px;margin-top:24px;font-size:12px}.quote-preview{font-size:11px!important;line-height:1.65;background:var(--soft)!important;min-height:230px!important;resize:vertical}.quote-back{margin-top:18px}.quote-preview+*{margin-top:18px}#quote-content .result-actions{margin-top:24px}.quote-back:hover{color:var(--copper)}
@media(min-width:1450px){.catalog-results .product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.catalog-layout{grid-template-columns:190px minmax(0,1fr);gap:40px}.shop-product h3{font-size:23px}.shop-product p{font-size:12px}.card-spec{font-size:10px}.card-actions>.btn{font-size:11px}}
@media(max-width:1150px){.cart-label{display:none}.navigation{gap:18px}.header-right{gap:20px}.catalog-layout{grid-template-columns:180px minmax(0,1fr);gap:28px}.catalog-sidebar .filter-tab{font-size:11px;padding:16px 10px}.shop-product h3{font-size:23px}.cart-layout{gap:30px;grid-template-columns:minmax(0,1.7fr) minmax(265px,1fr)}.cart-item{grid-template-columns:78px minmax(0,1fr) 100px;gap:15px}.cart-summary{padding:25px}.cart-item-info h2{font-size:19px}.cart-thumb img{height:90px}.detail-image{height:440px}}
@media(max-width:850px){.cart-label{display:inline}.catalog-layout{display:block}.catalog-sidebar>.eyebrow,.sidebar-note{display:none}.catalog-sidebar .filter-tabs{flex-direction:row;margin-bottom:25px;gap:7px;flex-wrap:wrap}.catalog-sidebar .filter-tab{border:1px solid var(--line);border-radius:3px;padding:11px 13px;gap:14px;font-size:11px}.catalog-sidebar .filter-tab.active{border-color:var(--dark)}.shop-toolbar .search-field{max-width:100%}.catalog-results .product-grid{gap:35px 24px}.catalog-results-meta p{font-size:10px}.home-equipment-links{gap:20px}.home-equipment-links a{font-size:11px;line-height:1.5}.cart-layout{grid-template-columns:1fr;gap:40px}.cart-summary{position:static;max-width:500px;width:100%;margin-left:auto}.cart-item{grid-template-columns:95px minmax(0,1fr) 110px;gap:25px}.detail-image{height:360px}.detail-copy h1{font-size:38px}.detail-actions .btn{gap:12px}.selected-model-summary b{font-size:16px}.detail-related{gap:35px}.models-head h2{font-size:32px}}
@media(max-width:640px){.header-right{gap:15px}.cart-link{padding:10px 0;gap:6px}.cart-label{display:none}.cart-badge{min-width:19px;height:19px;font-size:9px}.catalog-heading h1{font-size:clamp(43px,10.6vw,60px)}.catalog-heading{padding-bottom:28px}.catalog-heading>p{font-size:13px}.shop-toolbar{gap:16px;flex-wrap:wrap;padding:0 0 18px}.shop-toolbar .search-field{flex-basis:100%}.shop-toolbar .search-field input{font-size:16px}.view-switch{margin-left:auto}.catalog-sidebar .filter-tabs{margin-bottom:25px;gap:7px}.catalog-sidebar .filter-tab{font-size:10px;padding:10px 11px;gap:10px}.catalog-results-meta{gap:12px;align-items:flex-start;padding:18px 0 24px}.catalog-results-meta p{max-width:170px;line-height:1.6}.catalog-results-meta .plain-button{font-size:9px;gap:5px;padding:1px 0}.catalog-results .product-grid{grid-template-columns:1fr;gap:38px}.shop-product .product-visual{aspect-ratio:1.3}.shop-product-body{padding-top:20px}.shop-product h3{font-size:27px;max-width:350px}.shop-product p{font-size:14px;min-height:0;max-width:100%}.shop-product .card-spec{font-size:12px}.card-actions>.btn{font-size:13px;min-height:48px;padding:0 20px}.details-arrow{width:48px}.shop-catalog-section{padding-bottom:70px}.home-equipment-links{display:block;margin-top:30px;padding:4px 0}.home-equipment-links a{padding:18px 0;font-size:12px}.home-equipment-links a+a{border-top:1px solid var(--line)}.detail-image{height:340px;min-height:0}.detail-copy h1{font-size:44px}.model-picker select{font-size:14px;padding:13px 9px}.selected-model-summary b{font-size:20px}.detail-price{font-size:20px}.detail-copy .detail-actions{gap:10px}.detail-copy .detail-actions .btn{font-size:12px;padding:0 18px;gap:13px}.model-range{padding-top:45px;margin-top:45px}.models-head{display:block}.models-head h2{font-size:33px}.models-head .plain-button{margin-top:16px}.condition-note{padding:20px;font-size:11px;line-height:1.8}.detail-related{grid-template-columns:1fr;gap:20px;margin-top:30px;padding-top:25px}.detail-related a{font-size:13px}.data-table th,.data-table td{padding:15px 12px;font-size:11px}.data-table thead th{font-size:10px}.spec-table th{width:53%}.spec-table td{font-size:12px}.cart-item{grid-template-columns:75px minmax(0,1fr);gap:17px;padding:25px 0}.cart-item-info h2{font-size:21px}.cart-thumb img{height:90px}.cart-item-controls{grid-column:2;flex-direction:row;justify-content:space-between}.quantity-control{height:40px}.quantity-control button{width:35px}.quantity-control input{width:40px;font-size:14px}.remove-item{font-size:11px}.cart-price{margin-top:10px}.cart-item-info .cart-model{font-size:10px}.cart-summary{max-width:none;padding:28px}.cart-summary h2{font-size:33px}.cart-summary>.btn{font-size:13px}.cart-empty{padding:50px 20px}.cart-empty h2{font-size:31px}.cart-empty p{font-size:13px}.cart-empty p br{display:none}.shop-cart-section{padding-bottom:70px}.undo-banner{padding:18px;gap:12px;justify-content:space-between}.undo-banner .plain-button{font-size:11px}.cart-local-note{font-size:11px!important}.selection-note{font-size:12px}.purchase-note{max-width:350px}}

/* Hetrix nomenclature and technical-document refresh. */
.catalog-mini-stats{display:flex;align-items:center;gap:25px;margin-bottom:26px;font-size:12px;color:var(--muted)}.catalog-mini-stats b{font-size:20px;font-weight:400;color:var(--ink);margin-right:5px}.catalog-mini-stats a{margin-left:auto;color:var(--copper);border-bottom:1px solid #a34d3050;padding-bottom:4px}.mapping-download{display:grid;grid-template-columns:200px 1fr;gap:64px;padding:55px;background:#eeeae3;border:1px solid #e2d8cb;border-radius:4px;scroll-margin-top:110px}.mapping-symbol{font-size:86px;letter-spacing:-5px;color:var(--copper);line-height:1.3}.mapping-symbol span{display:block;font-size:15px;border-top:1px solid #c8b8a5;letter-spacing:5px;padding-top:10px}.mapping-download h2{font-size:56px;margin:17px 0 18px}.mapping-download p{max-width:720px;color:var(--muted)}.mapping-actions{display:flex;gap:24px;align-items:center;flex-wrap:wrap;margin:24px 0}.mapping-download .mapping-note{font-size:12px;margin-bottom:0;max-width:650px}.documents-section-title{margin:76px 0 38px}.documents-section-title h2{font-size:34px}.documents-section-title p{color:var(--muted)}.data-table td small{max-width:180px;white-space:normal}.product-badge{max-width:calc(100% - 64px);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.selected-model-summary small{line-height:1.45}.detail-copy h1{overflow-wrap:normal}.product-card h3{font-size:25px}.model-select-button{text-align:left}.model-code{overflow-wrap:anywhere}
@media(max-width:760px){.mapping-download{grid-template-columns:1fr;padding:27px;gap:20px}.mapping-symbol{font-size:50px;display:flex;align-items:center;justify-content:space-between}.mapping-symbol span{font-size:14px;border:0;padding:0;letter-spacing:3px}.mapping-download h2{font-size:42px}.mapping-actions{align-items:flex-start;flex-direction:column;gap:13px}.catalog-mini-stats{gap:15px;flex-wrap:wrap}.catalog-mini-stats a{width:100%;margin:0;border:0}.catalog-mini-stats b{font-size:19px}.product-card h3{font-size:24px}}

.catalog-subnav{border-left:1px solid var(--line);padding:3px 0 12px 12px;margin:0 0 12px 12px;display:grid;gap:2px}.catalog-subnav button{display:flex;justify-content:space-between;gap:6px;align-items:center;text-align:left;border:0;background:transparent;padding:10px 7px;font-size:12px;line-height:1.35;color:var(--muted)}.catalog-subnav small{font-size:10px;white-space:nowrap}.catalog-subnav button:hover,.catalog-subnav button.active{color:var(--copper);background:#eee9e0}.catalog-section-intro{margin-bottom:30px}.catalog-section-intro h2{font-size:36px;margin:0 0 12px}.catalog-section-intro p{font-size:14px;color:var(--muted);max-width:650px;margin-bottom:14px}.catalog-type-pills{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 0}.catalog-type-pills button{background:transparent;border:1px solid var(--line);padding:9px 12px;font-size:12px;border-radius:3px}.catalog-type-pills button:hover,.catalog-type-pills button.active{background:var(--dark);border-color:var(--dark);color:white}.catalog-entry-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.catalog-entry{border:1px solid var(--line);padding:28px;background:#fdfdfb;transition:border-color .2s,background .2s;display:flex;flex-direction:column;min-height:290px}.catalog-entry:hover{border-color:var(--copper);background:#f4f0e9}.catalog-entry:first-child{background:#eaece5}.catalog-entry-top{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;letter-spacing:.04em}.catalog-entry-icon{color:var(--copper);margin:24px 0 18px}.catalog-entry h2{font-size:27px;line-height:1.15;letter-spacing:-.035em;margin-bottom:12px}.catalog-entry p{font-size:13px;line-height:1.55;color:var(--muted);max-width:360px}.catalog-entry-foot{display:flex;align-items:center;justify-content:space-between;font-size:12px;margin-top:auto;padding-top:15px}.catalog-sidebar .filter-tab{text-align:left;font-size:13px;gap:8px}.catalog-sidebar .filter-tab>span:last-child{white-space:nowrap;font-size:10px}.catalog-section-intro .text-link{margin-top:12px;font-size:13px}
@media(max-width:760px){.catalog-section-intro h2{font-size:30px}.catalog-entry-grid{grid-template-columns:1fr}.catalog-entry{min-height:250px;padding:24px}.catalog-type-pills{gap:6px}.catalog-type-pills button{font-size:11px;padding:9px}.catalog-subnav{display:none}.catalog-nav-group{flex-shrink:0}.catalog-sidebar .filter-tabs{display:flex;overflow-x:auto}.catalog-section-intro{margin-top:25px}.catalog-mini-stats{margin-bottom:20px}}