@import url('https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap');
:root{--paper:#f7f6f2;--ink:#292d2b;--muted:#767971;--accent:#ac593d;--line:#dddfd6}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif;font-size:14px}button,input,select,textarea{font:inherit}a{color:inherit;text-decoration:none}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer;border:0;background:none;color:inherit}button:focus-visible,a:focus-visible{outline:3px solid #ac593d;outline-offset:4px}button{min-height:44px}p{line-height:1.8}h1,h2,h3,p{margin-top:0}h1{font-size:clamp(36px,4.4vw,66px);font-weight:500;letter-spacing:-2.8px;line-height:1.12}h2{font-size:clamp(28px,3vw,42px);font-weight:500;letter-spacing:-1.5px;line-height:1.2}h3{font-size:21px;font-weight:500}small,.fine{font-size:11px;color:var(--muted)}.demo{text-align:center;background:#e7e7dc;color:#62675d;padding:7px 16px;font-size:10px;letter-spacing:.8px}header{display:flex;align-items:center;gap:26px;padding:26px 4.5%;border-bottom:1px solid var(--line);background:var(--paper)}.brand{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand small{display:block;letter-spacing:2px;font-size:7px;margin-top:5px;font-weight:500}.mark{color:var(--accent);font-size:38px}.location{font-size:11px;line-height:1.7;margin-left:auto}nav{display:flex;gap:24px;font-size:12px}nav a:hover,a.link:hover{color:var(--accent)}.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:16px 23px;background:var(--accent);color:white;border-radius:3px;font-size:12px;font-weight:600;min-height:48px}.secondary{background:transparent;border:1px solid var(--line);color:var(--ink)}.primary:hover{background:#91482f}.bag{font-size:12px;white-space:nowrap}.bag span{display:inline-grid;place-items:center;background:#e9e7df;border-radius:50%;width:24px;height:24px;margin-left:5px}.menu-toggle{display:none}main{min-height:60vh}.wrap{max-width:1440px;margin:auto;padding:60px 4.5%}.eyebrow{font-size:10px;letter-spacing:2px;text-transform:uppercase;color:var(--accent);font-weight:700;margin-bottom:25px}.hero{display:grid;grid-template-columns:1fr 1fr;min-height:585px}.hero-copy{padding:76px 8% 48px 9%;display:flex;flex-direction:column;align-items:flex-start}.hero h1{max-width:610px}.hero h1 em{color:var(--accent);font-style:normal}.hero p{color:var(--muted);max-width:400px}.hero-bottom{display:flex;gap:25px;margin-top:36px;padding-top:25px;border-top:1px solid var(--line);width:100%;font-size:11px;line-height:1.7}.scene{position:relative;min-height:510px;overflow:hidden;background:linear-gradient(90deg,#c8b9a3 0%,#e7dfd1 33%,#e0d6c7 78%,#b2a48e 100%)}.scene:before{content:'';position:absolute;inset:0;background:linear-gradient(122deg,transparent 0 20%,#fff7dc66 20% 40%,transparent 40% 58%,#fff7dc33 58% 66%,transparent 66%),linear-gradient(0deg,#948a76 0 12%,transparent 12%);box-shadow:inset 0 0 100px #54463033}.window{position:absolute;width:30%;height:80%;left:0;top:0;background:linear-gradient(90deg,#b6b8a5,#f0ecd9);border-right:12px solid #e2d9c8;border-bottom:12px solid #ded4c1;box-shadow:10px 0 30px #70664e22}.window:before{content:'';position:absolute;top:45%;width:100%;border-top:10px solid #ddd5c3}.hero-rad{position:absolute;left:40%;top:13%;width:23%;height:66%;display:flex;gap:5px;filter:drop-shadow(12px 15px 8px #5c443f50)}.hero-rad i{flex:1;background:linear-gradient(90deg,#703c2d,#bd7654 35%,#995338 75%,#6d392b);border-radius:12px}.bench{position:absolute;bottom:10%;right:-5%;width:47%;height:11%;background:#a4967b;box-shadow:0 15px 16px #423b3033;border-radius:5px}.vase{position:absolute;bottom:22%;right:20%;width:11%;height:19%;border-radius:40% 40% 26% 26%;background:linear-gradient(90deg,#887860,#c5b89d,#9a8970)}.scene-caption{position:absolute;bottom:28px;left:32px;color:white;font-size:10px;letter-spacing:.8px}.scene-badge{position:absolute;right:25px;top:24px;background:#f5f1e3aa;padding:10px 14px;border-radius:2px;font-size:10px}.promise{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:27px 4.5%;gap:30px}.promise div{display:flex;align-items:center;gap:15px;font-size:12px}.promise b{font-size:22px;font-weight:400;color:var(--accent)}.section-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:28px;gap:20px}.section-head h2{margin:0}.link{font-size:12px;border-bottom:1px solid #9e9f96;padding-bottom:7px;white-space:nowrap}.categories{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.category{background:#ecece5;padding:26px 22px;position:relative;min-height:245px;transition:.2s}.category:hover{transform:translateY(-4px);background:#e5e5dc}.category h3{font-size:17px;margin-bottom:6px}.category small{display:block}.category .arrow{position:absolute;right:20px;bottom:18px;font-size:23px}.rad-art{height:170px;display:flex;align-items:center;justify-content:center;padding:22px;position:relative}.rad-art .pipes{display:flex;gap:4px;width:75%;height:92%;filter:drop-shadow(7px 8px 4px #292d2b20)}.pipes i{flex:1;border-radius:7px;background:linear-gradient(90deg,#93998f,#d9dcd4 35%,#a6ada3 80%,#838c82);min-width:5px}.rad-art.vertical .pipes{width:32%;height:110%}.rad-art.copper i{background:linear-gradient(90deg,#764430,#c18360 35%,#9e5f40 80%,#764430)}.rad-art.dark i{background:linear-gradient(90deg,#343b37,#727b70 35%,#474f47 80%,#343b37)}.rad-art.floor .pipes{height:28%;width:90%;transform:skewY(-9deg);background:#6a6a60;padding:5px}.rad-art.panel .pipes{gap:1px;background:#d5d6ce;padding:5px;height:65%}.rad-art.retro i{border-radius:20px 20px 8px 8px}.category .rad-art{height:145px}.cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.product{background:#fff;padding:10px;border:1px solid #e6e6de;border-radius:3px;min-width:0}.product .visual{display:block;background:#efefe9;position:relative}.visual .rad-art{height:230px}.visual .label{position:absolute;left:12px;top:12px;font-size:8px;letter-spacing:.6px;z-index:1;background:#f8f8f0c9;padding:5px 7px}.product-info{padding:20px 10px 12px}.product-info small{font-size:10px}.product h3{margin:9px 0;font-size:18px}.product p{font-size:11px;color:var(--muted);margin-bottom:20px}.price-line{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:14px;font-size:12px}.add{background:#eaece4;border-radius:50%;width:36px;min-height:36px;font-size:21px}.professional{display:grid;grid-template-columns:1fr 1fr;background:#e5e7dd}.professional article{padding:55px 9%;border-right:1px solid #cbd0c1}.professional article:last-child{background:#303d33;color:#f4f2e9}.professional h2{font-size:34px;max-width:380px}.professional p{max-width:390px;color:#787f72}.professional article:last-child p{color:#b5beaf}.professional .secondary{border-color:#727d6e;color:inherit}.request{display:grid;grid-template-columns:1fr 1fr;gap:8%;align-items:start}.request h2{max-width:450px}.request p{color:var(--muted)}form{display:grid;gap:15px}label{display:grid;gap:8px;font-size:11px}input,select,textarea{width:100%;border:1px solid #cfd2c6;border-radius:3px;background:transparent;padding:14px;color:var(--ink);min-width:0}textarea{resize:vertical;min-height:95px}input:focus,select:focus,textarea:focus{outline:1px solid var(--accent)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.check{display:flex;align-items:start;gap:8px;line-height:1.6}.check input{width:16px;min-height:16px;margin-top:2px;accent-color:var(--accent)}.note{padding:12px;background:#eeeee5;font-size:11px;line-height:1.6;color:#6a7063}.breadcrumb{font-size:11px;color:var(--muted);margin-bottom:30px}.catalog-layout{display:grid;grid-template-columns:215px 1fr;gap:38px}.filters{display:grid;gap:22px;align-content:start}.filters h3{font-size:14px;margin-bottom:0}.filter-options{display:grid;gap:5px}.filter-options button{text-align:left;padding:8px 12px;font-size:12px;min-height:38px}.filter-options button.active{background:#e5e7dc;color:#5a6b53}.toolbar{display:flex;gap:16px;align-items:center;margin-bottom:20px}.toolbar input{flex:1;background:#fff}.toolbar select{width:200px}.catalog-layout .cards{grid-template-columns:repeat(3,minmax(0,1fr))}.result-count{color:var(--muted);font-size:11px;margin-bottom:20px}.empty{padding:70px 25px;background:#eceee4;text-align:center;grid-column:1/-1}.detail{display:grid;grid-template-columns:1fr 1fr;gap:7%}.detail-visual{background:#e9ebe2;display:flex;align-items:center;justify-content:center;min-height:540px;position:relative}.detail-visual .rad-art{width:100%;height:450px}.detail h1{font-size:46px}.detail .price{font-size:22px}.detail dl{display:grid;grid-template-columns:1fr 1fr;gap:16px 10px;font-size:12px;border-block:1px solid var(--line);padding:25px 0;margin:26px 0}.detail dt{color:var(--muted)}.detail dd{margin:0}.detail .actions{display:flex;gap:12px;margin:25px 0}.qty{width:90px}.contacts{display:grid;grid-template-columns:1fr 1.2fr;gap:50px}.map-panel{background:#e5e9df;min-height:380px;display:grid;place-items:center;text-align:center;padding:35px;background-image:linear-gradient(30deg,transparent 45%,#f9f9f0 45% 48%,transparent 48%),linear-gradient(110deg,transparent 30%,#f8f8ed 30% 34%,transparent 34%)}.pin{font-size:40px;color:var(--accent)}.cart-item{display:grid;grid-template-columns:100px 1fr 90px 44px;gap:20px;align-items:center;border-bottom:1px solid var(--line);padding:20px 0}.cart-item .rad-art{height:100px;padding:12px;background:#e9ebe1}.cart-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:60px}.success{background:#e5eadc;padding:35px;line-height:1.8}.success h2{font-size:28px}.success a{display:inline-block;margin-top:15px}footer{background:#eaece3;border-top:1px solid var(--line);padding:44px 4.5%;display:grid;grid-template-columns:1fr 1fr 1fr;gap:30px}footer p{font-size:12px}footer>div{display:grid;gap:12px;font-size:12px}footer .fine{grid-column:1/-1;border-top:1px solid #d0d4c7;padding-top:22px;margin-bottom:0}dialog{border:0;border-radius:5px;background:var(--paper);width:min(560px,calc(100% - 28px));padding:40px;max-height:90vh;overflow:auto}dialog::backdrop{background:#232c2777;backdrop-filter:blur(3px)}dialog h2{font-size:29px;letter-spacing:-1px}.close{position:absolute;right:10px;top:5px;font-size:30px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#303d33;color:white;padding:16px 24px;border-radius:4px;display:none;z-index:10;max-width:90%;text-align:center}.mobile-filter{display:none}.contact-strip{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding-top:35px;margin-top:50px}.feature-list{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin:35px 0}.feature-list div{border-top:1px solid var(--line);padding-top:15px;line-height:1.8}.page-lead{max-width:650px;color:var(--muted)}
@media(min-width:1500px){.hero{max-width:1600px;margin:auto}}@media(max-width:1150px){.location{display:none}header{gap:18px}nav{margin-left:auto;gap:16px}.header-cta{display:none}.hero-copy{padding-top:55px}.cards{gap:14px}.catalog-layout{gap:22px;grid-template-columns:180px 1fr}.visual .rad-art{height:190px}}@media(max-width:800px){header{padding:18px 5%;flex-wrap:wrap}.brand{font-size:21px}.menu-toggle{display:block;margin-left:auto}.bag{margin-left:0}nav{display:none;order:5;width:100%;flex-direction:column;padding:15px 0}nav.open{display:flex}.hero{grid-template-columns:1fr 1fr}.hero-copy{padding:45px 8%}h1{font-size:40px;letter-spacing:-1.7px}.hero{min-height:490px}.scene{min-height:490px}.hero-bottom{display:block;margin-top:25px}.hero-bottom span{display:block}.promise{gap:15px}.promise div{font-size:10px}.categories,.cards{grid-template-columns:repeat(2,1fr)}.wrap{padding:45px 5%}.professional article{padding:40px 10%}.professional h2{font-size:28px}.catalog-layout .cards{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-layout{grid-template-columns:160px 1fr}.toolbar{flex-wrap:wrap}.toolbar select{width:100%}.request,.cart-layout{gap:35px}.detail{gap:30px}.detail-visual{min-height:400px}.detail h1{font-size:36px}.detail .actions{flex-wrap:wrap}.detail-visual .rad-art{height:330px}.contacts{gap:30px}footer{grid-template-columns:1fr 1fr}footer>div{grid-column:1/-1;display:flex;flex-wrap:wrap}}
@media(max-width:560px){.demo{font-size:9px;letter-spacing:0}header{gap:10px}.brand{font-size:19px}.mark{font-size:30px}.hero{display:flex;flex-direction:column}.hero-copy{padding:39px 5% 30px}.hero h1{font-size:42px}.hero p{font-size:13px}.hero-bottom{display:flex;margin-top:26px;padding-top:18px;font-size:10px;gap:20px}.scene{min-height:360px}.hero-rad{gap:4px}.promise{padding:22px 5%;grid-template-columns:1fr;gap:15px}.promise div{font-size:12px}.promise b{width:25px}.eyebrow{font-size:9px;margin-bottom:18px}.section-head{align-items:start}.section-head h2{font-size:28px}.section-head .link{white-space:normal;text-align:right;max-width:110px;font-size:10px}.categories{gap:10px}.category{padding:19px 14px;min-height:220px}.category h3{font-size:15px}.category .rad-art{height:130px}.professional,.request,.detail,.contacts,.cart-layout{grid-template-columns:1fr}.professional article{padding:36px 6%}.professional article h2{max-width:100%}.cards{gap:10px}.product{padding:6px}.product-info{padding:14px 6px 8px}.product h3{font-size:16px}.product-info p{font-size:10px;margin-bottom:12px}.price-line{font-size:10px;gap:5px}.visual .rad-art{height:180px;padding:24px 13px}.visual .label{font-size:6px;left:6px;top:6px}.catalog-layout{display:block}.filters{display:none;background:#e9ece1;padding:20px;margin-bottom:20px}.filters.shown{display:grid}.mobile-filter{display:block;margin-bottom:18px;width:100%}.toolbar{gap:10px}.toolbar input{width:100%;flex:auto}.toolbar select{padding:11px}.detail-visual{min-height:360px}.detail-visual .rad-art{height:320px}.detail h1{font-size:36px}.detail .actions>*{flex:1}.contacts{gap:20px}.map-panel{min-height:300px}.form-row{grid-template-columns:1fr}.cart-item{grid-template-columns:60px 1fr 65px 30px;gap:8px}.cart-item .rad-art{height:80px;padding:9px}.cart-item h3{font-size:14px}.cart-item .qty{width:65px;padding:10px}.feature-list{grid-template-columns:1fr}.contact-strip{align-items:start;flex-direction:column}footer{padding:32px 5%;grid-template-columns:1fr;gap:15px}footer>div{grid-column:auto}dialog{padding:35px 23px}.breadcrumb{line-height:1.8}}
.cart-item>.rad-art{overflow:hidden;min-width:0}.cart-item .pipes{gap:2px}.cart-item .pipes i{min-width:0}.cart-item .rad-art.vertical .pipes{width:65%}.cart-item>div{min-width:0;overflow-wrap:anywhere}
.categories{grid-template-columns:repeat(4,minmax(0,1fr))}.category{min-width:0}.pipes i{min-width:0}@media(max-width:800px){.categories{grid-template-columns:repeat(2,minmax(0,1fr))}}
.product-photo{height:230px;position:relative;background:#fff;display:flex;align-items:center;justify-content:center;padding:20px}.product-photo img{width:100%;height:100%;object-fit:contain}.product-photo small{position:absolute;bottom:7px;left:8px;right:8px;text-align:center;font-size:8px;background:#ffffffdd}.photo-placeholder{height:230px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px;text-align:center;padding:22px;background:#e9e9e0}.photo-placeholder>span{font-size:40px;color:#a5a895}.photo-placeholder strong{font-size:16px;font-weight:500}.product h3{font-size:16px;line-height:1.5;overflow-wrap:anywhere}.product-info>p{overflow-wrap:anywhere}.product-info{display:flex;flex-direction:column;flex:1}.product{display:flex;flex-direction:column}.price-line{margin-top:auto}.detail-visual>.product-photo{width:100%;height:520px;padding:40px}.detail-visual>.photo-placeholder{width:100%;height:520px}.cart-item .product-photo,.cart-item .photo-placeholder{height:95px;padding:6px}.cart-item .product-photo small,.cart-item .photo-placeholder strong,.cart-item .photo-placeholder small{display:none}.filter-options button{display:flex;gap:8px;justify-content:space-between;align-items:center}.filter-options button small{font-size:10px;flex:none}.detail h1{font-size:clamp(28px,3.5vw,46px);overflow-wrap:anywhere}.detail>div{min-width:0}.detail dd{overflow-wrap:anywhere}#pagination{text-align:center;margin-top:30px}@media(max-width:1150px){.product-photo,.photo-placeholder{height:190px}}@media(max-width:560px){.product-photo,.photo-placeholder{height:180px;padding:16px 10px}.product-photo small{font-size:6px}.product h3{font-size:13px}.detail-visual>.product-photo,.detail-visual>.photo-placeholder{height:340px}.cart-item .product-photo,.cart-item .photo-placeholder{height:80px}.category .product-photo,.category .photo-placeholder{height:130px}.category .product-photo small{display:none}}
.model-price{display:block;min-width:0}.model-price strong{display:block;font-size:14px;font-weight:600;line-height:1.6}.price-amount{white-space:nowrap}.model-price small{display:block;font-size:9px;color:var(--muted);line-height:1.6;margin-top:3px}.price-line{gap:8px}.price-line .add{flex:none}.detail .model-price strong{font-size:24px}.detail .model-price small{font-size:11px}@media(max-width:560px){.product .model-price strong{font-size:11px}.product .model-price small{font-size:8px}.product .price-line{gap:5px}.product .price-line .add{width:30px;min-height:30px}}
.detail-media{min-width:0}.product-gallery{display:flex;flex-wrap:wrap;gap:12px;margin-top:15px}.gallery-thumb{border:1px solid var(--line);border-radius:3px;padding:6px;background:white;width:135px;text-align:left}.gallery-thumb[aria-pressed="true"]{border:2px solid var(--accent);padding:5px}.gallery-thumb img{width:100%;height:100px;object-fit:cover;display:block}.gallery-thumb span{display:block;font-size:9px;padding:8px 2px 3px}.gallery-note{font-size:10px;color:var(--muted);line-height:1.7;margin:15px 0}.gallery-note a{text-decoration:underline}.detail-media .detail-visual{min-height:0}.detail-media .detail-visual>.product-photo{height:auto;aspect-ratio:1;max-height:none;padding:0}.detail-media .detail-visual>.product-photo img{object-fit:contain}@media(max-width:560px){.gallery-thumb{width:120px}.gallery-thumb img{height:100px}}

.product.design-product .product-photo{width:100%;height:auto;aspect-ratio:1;padding:0}.product.design-product .product-photo img{display:block;width:100%;height:100%;object-fit:contain}

/* Supplied brand image: preserve original proportions and full artwork. */
.brand .site-logo{display:block;width:auto;height:94px;max-width:100%;object-fit:contain}.brand{flex-shrink:0}footer .brand{align-self:start}footer .site-logo{height:150px}@media(max-width:760px){header .brand .site-logo{height:76px}}@media(max-width:560px){header .brand .site-logo{height:68px}footer .site-logo{height:120px}}

.filter-options button.tubular-subcategory{padding-left:28px;font-size:12px;border-left:2px solid #d9ddcf;margin-left:12px}

.contact-channels{margin:28px 0}.contact-phone{display:inline-block;font-size:clamp(23px,3vw,34px);font-weight:600;letter-spacing:-.03em}.contact-messengers{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}.contact-max{font-size:14px;line-height:1.7;margin-top:20px}

.wh-config{margin:24px 0;padding:22px;border:1px solid var(--line);background:#f1f2eb;border-radius:4px}.wh-config h2{font-size:26px;margin:0 0 18px}.wh-config .form-row{gap:14px}.wh-config select{width:100%;min-width:0;background:white}.wh-config label{min-width:0}.wh-config input[type=range]{padding:0;accent-color:var(--accent);width:100%;margin:10px 0 20px}.wh-swatch{height:32px;border:1px solid #b5b7ae;border-radius:3px;margin:10px 0 18px}.wh-config-price{display:block;font-size:28px;margin:12px 0 6px}.wh-config small{display:block;line-height:1.6}.wh-config-diagram{display:block;width:100%;height:auto;max-height:640px;padding:25px}.detail-media:has(.wh-config-diagram){position:sticky;top:24px;align-self:start}.detail-visual:has(.wh-config-diagram){background:#eeeee6;min-height:300px;display:flex;align-items:center}.wh-config-summary p{margin:10px 0}@media(max-width:700px){.detail-media:has(.wh-config-diagram){position:static}.wh-config{padding:16px}.wh-config-diagram{max-height:400px}}

.wh-3d{width:100%;position:relative;background:#eeeee6;padding:16px;box-sizing:border-box}.wh-3d canvas{width:100%;height:510px;display:block;touch-action:none;cursor:grab}.wh-3d canvas:active{cursor:grabbing}.wh-3d canvas:focus-visible{outline:2px solid var(--accent)}.wh-3d-badge{font-size:12px;letter-spacing:.08em;color:var(--accent)}.wh-3d-controls{display:flex;flex-wrap:wrap;gap:6px}.wh-3d-controls button{padding:9px 12px;background:#fff;border:1px solid var(--line);font-size:11px;border-radius:3px}.wh-angle{display:flex;align-items:center;gap:12px;margin:14px 0;font-size:11px}.wh-angle input{accent-color:var(--accent);padding:0;width:100%}.detail-media:has(.wh-3d){position:sticky;top:16px;align-self:start}.wh-3d p{margin:8px 0}.detail-visual:has(.wh-3d){min-height:0}@media(max-width:700px){.detail-media:has(.wh-3d){position:static}.wh-3d canvas{height:360px}}

/* Full-width catalog photography for every product category. */
.product .visual{width:100%;overflow:hidden}.product .product-photo{width:100%;height:auto;aspect-ratio:1;padding:0}.product .product-photo img{display:block;width:100%;height:100%;object-fit:contain}

.filter-options button.convector-energy{padding-left:40px;margin-left:24px;font-size:11px;border-left-color:#e5e7df}

.savva-configurator{margin-top:45px;background:white;border:1px solid var(--line);border-radius:4px;padding:12px;scroll-margin-top:20px}.savva-configurator iframe{display:block;width:100%;height:1050px;border:0;background:#fff}.detail-specs-link{margin-top:16px}@media(max-width:700px){.savva-configurator{padding:0;margin-top:25px}}
/* Larger, bolder category navigation at every nesting level. */
.filters h3{font-size:18px;font-weight:700}
.filter-options button{font-size:16px;font-weight:700;line-height:1.4;padding-top:10px;padding-bottom:10px}
.filter-options button.tubular-subcategory{font-size:15px;font-weight:700}
.filter-options button.convector-energy{font-size:14px;font-weight:700}
.filter-options button span{min-width:0;overflow-wrap:break-word}
.filter-options button small{font-size:12px;font-weight:600}
.category h3{font-size:20px;font-weight:700;line-height:1.35}
/* More readable header navigation and contact details. */
header .location{font-size:14px;font-weight:600;line-height:1.6}
header nav{font-size:16px;font-weight:700;gap:22px}
header .bag{font-size:16px;font-weight:700}
header .primary{font-size:15px;font-weight:700}
@media(min-width:801px) and (max-width:1200px){header{gap:16px;flex-wrap:wrap}header nav{gap:18px}}

/* Generated heating showroom photograph for the home page. */
.hero-photograph{min-width:0;background:#d9cbb9;display:flex;align-items:center;overflow:hidden}.hero-photograph img{display:block;width:100%;height:auto}

/* Horizontal logo: one-line name and extended golden radiator. */
header{gap:20px}header .brand .site-logo{width:240px;height:80px}header nav{gap:18px}footer .brand .site-logo{width:300px;height:100px}@media(max-width:760px){header .brand .site-logo{width:210px;height:70px}}@media(max-width:560px){header .brand .site-logo{width:186px;height:62px}footer .brand .site-logo{width:270px;height:90px}}
/* Dark-gold top-level categories; nested category colors stay unchanged. */
.filter-options button:not(.tubular-subcategory){color:#86651f}
.category h3{color:#86651f}

/* Category colors and Delta best-price selection. */
.filter-options button:not(.tubular-subcategory){color:#111}.filter-options button.tubular-subcategory{color:#86651f}.category h3{color:#111}.filter-options button[data-category="Лучшая цена"]{color:#8b2027}
/* Larger arch logo with a heavier wordmark. */
header .brand .site-logo{width:285px;height:95px;filter:drop-shadow(.35px 0 0 #292d2b) drop-shadow(-.35px 0 0 #292d2b)}
footer .brand .site-logo{width:345px;height:115px;filter:drop-shadow(.35px 0 0 #292d2b) drop-shadow(-.35px 0 0 #292d2b)}
@media(min-width:1201px) and (max-width:1350px){header{gap:14px}header nav{gap:14px}header .primary{padding-left:16px;padding-right:16px}}
@media(max-width:760px){header .brand .site-logo{width:250px;height:83px}}
@media(max-width:560px){header .brand .site-logo{width:220px;height:73px}footer .brand .site-logo{width:300px;height:100px}}

.product-certificates{margin-top:48px;padding-top:36px;border-top:1px solid var(--line)}.certificate-card{display:grid;grid-template-columns:220px 1fr;gap:32px;align-items:center}.certificate-preview{display:block;background:white;border:1px solid var(--line);padding:10px}.certificate-preview img{display:block;width:100%;height:auto}.certificate-card h3{font-size:22px;font-weight:600}.certificate-card .actions{display:flex;gap:12px;flex-wrap:wrap}@media(max-width:560px){.certificate-card{grid-template-columns:1fr;gap:22px}.certificate-preview{max-width:250px}}

.contact-expert{margin:4px 0 16px;font-size:16px;font-weight:600;line-height:1.5;color:var(--ink)}

.yandex-reviews{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,560px);gap:48px;align-items:start;margin-top:40px}.reviews-copy{padding-top:28px}.reviews-widget{width:100%;max-width:760px;min-width:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.reviews-widget iframe{width:100%;height:600px;display:block;border:0}.reviews-credit{display:block;padding:12px 16px;text-align:center;font-size:12px;color:var(--muted)}@media(max-width:800px){.yandex-reviews{grid-template-columns:1fr;gap:24px}.reviews-copy{padding-top:0}.reviews-widget iframe{height:550px}}

.reviews-snapshot{padding:28px}.reviews-rating{display:flex;align-items:center;gap:18px;margin-bottom:24px}.reviews-rating>strong{font-size:44px;font-weight:700}.reviews-rating>span{font-size:20px;color:#b0852d}.reviews-rating small{display:block;font-size:12px;color:var(--muted);margin-top:4px}.reviews-snapshot article{padding:16px 0;border-top:1px solid var(--line)}.reviews-snapshot article b{font-size:15px}.reviews-snapshot article p{margin:9px 0 0;font-size:14px}.reviews-snapshot>.fine{margin:14px 0 0}.reviews-live summary{padding:18px 24px;border-top:1px solid var(--line);cursor:pointer;font-weight:600;font-size:13px}.reviews-live iframe{background:white}

.request-honeypot{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}.request-error{color:#8b2027;font-weight:600;line-height:1.6}button:disabled{cursor:wait;opacity:.65}