:root{--navy:#142a43;--blue:#255ddc;--paper:#f7f8fa;--white:#fff;--slate:#627080;--line:#dde3ea;--ink:var(--navy);--text:var(--slate);--button-bg:var(--blue);--surface:var(--white);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Manrope,Arial,sans-serif;-webkit-font-smoothing:antialiased;font-size:15px}button,input,select{font:inherit}button,a,input,select{-webkit-tap-highlight-color:transparent}button,a{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer;color:inherit}img{display:block;max-width:100%}h1,h2,h3,h4,p,figure{margin:0}button{border:0}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}[hidden]{display:none!important}.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}.shell{width:calc(100% - 104px);max-width:1440px;margin-inline:auto}.ui-icon{width:20px;height:20px;flex-shrink:0}.skip-link{position:fixed;top:-80px;left:20px;padding:16px;background:white;z-index:100}.skip-link:focus{top:10px}.site-header{position:sticky;top:0;background:rgba(247,248,250,.96);z-index:20;border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;gap:44px;min-height:88px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:27px;font-weight:700;letter-spacing:-1.3px;white-space:nowrap}.brand-dot{color:var(--blue)}.brand-symbol{width:27px;height:30px;display:flex;flex-direction:column;gap:3px;transform:skewY(-10deg)}.brand-symbol i{display:block;height:7px;background:var(--blue);border-radius:1px}.brand-symbol i:nth-child(2){width:19px;align-self:flex-end}.main-nav{display:flex;align-items:center;gap:28px;margin-left:auto}.main-nav>a{font-size:13px;font-weight:600;white-space:nowrap}.main-nav>a:hover{color:var(--blue)}.header-right{display:flex;align-items:center;gap:22px}.lang-switch{display:flex;gap:3px}.lang-switch button{background:transparent;color:var(--text);font-size:11px;padding:8px 5px;min-height:36px}.lang-switch button.active{color:var(--blue);font-weight:700}.header-phone{font-size:12px;font-weight:700;display:flex;align-items:center;gap:8px;white-space:nowrap}.header-phone .ui-icon{width:15px}.icon-button{background:transparent;padding:10px;display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}.nav-toggle{display:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:24px;min-height:52px;padding:14px 23px;border-radius:9px;font-size:13px;font-weight:600;transition:background .2s,transform .2s}.btn-solid{background:var(--button-bg);color:white}.btn-solid:hover{background:#1b46aa;transform:translateY(-2px)}.btn-solid .ui-icon{filter:brightness(0) invert(1)}.btn-solid>span[aria-hidden]{font-size:21px;font-weight:400}.btn-ghost{background:white;border:1px solid var(--line);color:var(--ink)}.text-link{font-size:12px;font-weight:600;text-decoration:underline;text-underline-offset:5px}.hero{padding-top:62px}.hero-top{display:grid;grid-template-columns:1.7fr 1fr;gap:7%;align-items:end;margin-bottom:38px}.intro-label{display:flex;gap:9px;align-items:center;font-size:12px;font-weight:600;margin-bottom:22px}.intro-label>span:first-child{width:7px;height:7px;border-radius:50%;background:var(--blue)}.hero h1{font-size:clamp(45px,5.7vw,87px);font-weight:500;line-height:1.08;letter-spacing:-.064em;white-space:pre-line}.hero-aside{padding-bottom:4px;max-width:360px}.hero-aside>p{font-size:14px;line-height:1.85;color:var(--text);margin-bottom:23px}.hero-aside .btn{margin-right:18px;margin-bottom:12px}.hero-aside .text-link{display:inline-block;margin-top:7px}.hero-visual{position:relative;border-radius:22px;overflow:hidden;height:clamp(360px,38vw,570px);background:#d9dfdf}.hero-visual>img{width:100%;height:100%;object-fit:cover;object-position:center 60%}.hero-visual:after{content:'';position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(14,30,45,.6));pointer-events:none}.hero-visual figcaption{position:absolute;bottom:30px;left:32px;z-index:1;color:white;display:flex;flex-direction:column;gap:9px}.hero-visual figcaption>span{font-size:22px;font-weight:500;letter-spacing:-.03em}.hero-visual small{font-size:10px;opacity:.8}.image-link{position:absolute;right:30px;bottom:30px;background:#fff;color:var(--ink);border-radius:50%;width:54px;height:54px;display:grid;place-items:center;z-index:2;font-size:24px}.hero-proof{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:25px 0 30px;border-bottom:1px solid var(--line);font-size:12px;color:var(--text)}.hero-proof .count{font-size:18px;font-weight:700;color:var(--ink);margin-right:5px}.hero-proof a{color:var(--blue);font-weight:600}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:34px}.section-kicker{font-size:12px;font-weight:600;color:var(--blue);margin-bottom:20px}.section-heading h2,.estimator-intro h2{font-size:clamp(32px,3.6vw,52px);font-weight:500;letter-spacing:-.05em;line-height:1.18;white-space:pre-line}.section-heading>p{color:var(--text);max-width:320px;font-size:13px;line-height:1.85}.material-section{padding-block:105px}.material-display{display:grid;grid-template-columns:1fr 1fr;background:var(--white);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.material-photo{height:560px;position:relative;background:#3d2312;overflow:hidden}.material-photo>img{width:100%;height:100%;object-fit:cover;object-position:center 61%;transition:opacity .2s}.material-photo>span{position:absolute;bottom:20px;left:24px;font-size:10px;background:#fffdf2d9;padding:8px 11px;border-radius:5px;color:#463426}.material-info{padding:46px 50px;display:flex;flex-direction:column;align-items:start;justify-content:center}.material-meta{width:100%;display:flex;justify-content:space-between;color:var(--text);font-size:11px}.material-meta>span:first-child{color:var(--blue)}.material-info h3{font-size:clamp(24px,3vw,42px);letter-spacing:-.045em;font-weight:500;margin-top:15px;line-height:1.18}.material-info>p{font-size:12px;line-height:1.8;color:var(--text);margin-top:14px}.material-options{display:flex;gap:9px;margin:22px 0}.material-options button{background:var(--paper);border:2px solid transparent;padding:3px;border-radius:8px;width:48px;height:58px}.material-options button[aria-pressed=true]{border-color:var(--blue)}.material-options img{width:100%;height:100%;object-fit:cover;border-radius:4px}.material-specs{display:grid;grid-template-columns:1.4fr 1fr 1fr;width:100%;gap:16px;margin:0 0 26px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.material-specs dt{font-size:10px;color:var(--text);margin-bottom:8px}.material-specs dd{font-size:12px;font-weight:600;margin:0}.material-info .material-note{font-size:10px;max-width:350px;margin-top:16px}.catalogue{padding-bottom:100px;scroll-margin-top:90px}.catalogue-heading{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:33px}.catalogue-heading h2{font-size:clamp(32px,3.6vw,52px);font-weight:500;letter-spacing:-.05em}.catalogue-heading p{font-size:13px;line-height:1.85;color:var(--text);max-width:300px}.filter-bar{display:flex;gap:8px;border-bottom:1px solid var(--line);padding-bottom:20px}.filter-bar button{display:flex;gap:9px;align-items:center;min-height:47px;border:1px solid var(--line);background:transparent;border-radius:8px;padding:9px 16px;font-size:12px}.filter-bar button.active{background:var(--ink);color:white;border-color:var(--ink)}.filter-bar button.active .ui-icon{filter:brightness(0) invert(1)}.filter-photo{width:22px;height:25px;object-fit:cover;border-radius:3px}.filter-bar small{font-size:10px;opacity:.6;margin-left:4px}.catalogue-toolbar{display:flex;align-items:center;gap:20px;padding:22px 0}.results-count{color:var(--text);font-size:12px;margin-right:auto}.catalogue-search{display:flex;align-items:center;gap:9px;background:white;border:1px solid var(--line);border-radius:8px;padding:0 12px;width:270px;height:44px}.catalogue-search>.ui-icon{width:17px;opacity:.6}.catalogue-search input{border:0;background:transparent;min-width:0;width:100%;font-size:12px;color:var(--ink);outline-offset:7px}.catalogue-search .icon-button{padding:3px;min-width:26px;min-height:30px}.catalogue-sort{display:flex;align-items:center;gap:9px}.catalogue-sort select{padding:10px 25px 10px 8px;border:0;background:transparent;color:var(--text);font-size:12px;max-width:220px}.catalogue-sort>.ui-icon{width:17px}.catalog-group+.catalog-group{margin-top:44px}.catalog-group-head{display:flex;gap:10px;align-items:center;margin:12px 0 18px}.catalog-group-head h3{font-size:20px;letter-spacing:-.03em;font-weight:600}.catalog-group-head>span{font-size:10px;background:#e5eaf0;padding:4px 7px;border-radius:5px;color:var(--text)}.catalog-group-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}.product-card{min-width:0;border-bottom:1px solid var(--line);padding-bottom:19px;display:block}.product-photo{aspect-ratio:4/4.5;border-radius:12px;overflow:hidden;position:relative;background:#e9e8e4}.product-photo>img{width:100%;height:100%;object-fit:cover;object-position:center 61%;transition:transform .45s}.product-card:hover .product-photo>img{transform:scale(1.035)}.product-view{position:absolute;right:12px;bottom:12px;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:white;transition:background .2s}.product-card:hover .product-view{background:#dae6ff}.product-view img{width:16px}.product-body{padding-top:16px}.product-name{font-size:15px;font-weight:600;letter-spacing:-.02em;line-height:1.5;min-height:23px}.product-spec-line{display:flex;gap:12px;color:var(--text);font-size:10px;margin-top:7px}.product-foot{display:flex;align-items:center;justify-content:space-between;margin-top:17px;gap:9px}.product-price{font-size:14px;font-weight:700}.product-kind{font-size:9px;color:var(--text)}.catalogue-empty{padding:60px 20px;text-align:center;border:1px dashed var(--line);border-radius:12px}.catalogue-empty h3{margin-bottom:20px}.estimator-section{background:var(--ink);color:white;padding:90px 0}.estimator-layout{display:grid;grid-template-columns:1fr 1fr;gap:12%;align-items:center}.estimator-intro .section-kicker{color:#b7cbff}.estimator-intro>p:not(.section-kicker){color:#b9c5d4;font-size:14px;line-height:1.85;max-width:370px;margin-top:23px}.estimator-note{display:flex;gap:16px;align-items:start;margin-top:45px;max-width:380px}.estimator-note>span{font-size:26px;color:#c1d0e5}.estimator-note>p{font-size:11px;line-height:1.8;color:#b9c5d4}.estimator{background:white;color:var(--ink);border-radius:16px;padding:30px}.estimator label{display:flex;flex-direction:column;gap:9px;font-size:11px;color:var(--text)}.estimator input,.estimator select{border:1px solid var(--line);border-radius:7px;min-height:46px;padding:10px 12px;color:var(--ink);background:var(--paper);font-size:13px;width:100%;min-width:0}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin-top:20px}.estimate-result{display:flex;align-items:end;justify-content:space-between;border-top:1px solid var(--line);margin-top:24px;padding-top:21px;gap:12px}.estimate-result p{font-size:11px;color:var(--text);margin-bottom:8px}.estimate-result output{font-size:45px;line-height:1.1;font-weight:600;letter-spacing:-.05em;margin-right:7px}.estimate-result span{font-size:12px}.estimate-result>p{max-width:100px;line-height:1.8;text-align:right}.estimator>.btn{width:100%;font-size:11px;margin-top:24px;gap:12px}.estimate-error{color:#b62632;font-size:12px;line-height:1.7;margin-top:18px}.collection{padding-block:100px}.gallery-grid{display:flex;gap:16px;overflow-x:auto;padding-bottom:15px;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:#a8b7c9 transparent}.gallery-grid a{flex:0 0 165px;scroll-snap-align:start;position:relative}.gallery-grid img{height:220px;width:100%;object-fit:cover;object-position:center 62%;border-radius:10px}.gallery-grid span{font-size:11px;display:block;padding-top:10px;line-height:1.5}.how-section{padding-bottom:100px}.how-section>h2{font-size:30px;letter-spacing:-.035em;font-weight:500;margin-bottom:36px}.how-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:42px}.how-grid article{padding-top:25px;border-top:1px solid var(--line)}.how-grid article>span{font-size:11px;color:var(--blue)}.how-grid h3{font-size:18px;font-weight:600;margin:18px 0 12px;letter-spacing:-.02em}.how-grid p{font-size:12px;color:var(--text);line-height:1.9;max-width:300px}.contact-section{background:#e9edf3;padding:78px 0}.contact-heading{display:flex;justify-content:space-between;align-items:center;gap:40px;margin-bottom:55px}.contact-heading h2{font-size:clamp(30px,3.5vw,51px);font-weight:500;letter-spacing:-.05em;line-height:1.18;white-space:pre-line}.main-phone{display:flex;align-items:center;gap:24px;font-size:23px;font-weight:600;letter-spacing:-.035em;white-space:nowrap}.main-phone>img{width:24px}.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.contact-card{position:relative;border-top:1px solid #cbd3de;padding-top:23px}.contact-card>.ui-icon{position:absolute;top:22px;right:0;width:19px}.cc-label{color:var(--text);font-size:11px;margin-bottom:10px}.cc-name{font-size:18px;margin-bottom:13px;font-weight:600}.cc-phone{font-size:13px;display:block;margin-top:8px}.site-footer{background:var(--ink);color:#fff;padding:32px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:22px}.footer-inner .brand{font-size:16px;letter-spacing:-.3px}.footer-inner .brand img{width:32px;height:32px;border-radius:7px}.footer-inner>span,.footer-inner>a:last-child{font-size:10px;color:#bac7d6}
/* Product detail and image dialog retain catalogue routes and native focus behavior. */
dialog{color:var(--ink);border:0}dialog::backdrop{background:#102139c9}.product-page{padding:0;width:min(1240px,96vw);max-width:96vw;max-height:94svh;border-radius:18px;background:var(--paper)}.product-page .shell{width:calc(100% - 64px)}.pp-scroll{overflow-y:auto;max-height:94svh}.pp-top{display:flex;align-items:center;justify-content:space-between;padding:24px 0}.pp-top>span{font-size:12px;font-weight:700;letter-spacing:.08em}.pp-main{display:grid;grid-template-columns:1fr 1fr;gap:55px;padding-bottom:40px}.pp-photo{padding:0;display:block;position:relative;width:100%;background:#e4e8ee;border-radius:12px;overflow:hidden}.pp-photo>#ppImg{height:510px;width:100%;object-fit:contain}.photo-zoom{position:absolute;bottom:16px;right:16px;background:white;padding:10px;border-radius:50%}.pp-thumbs{display:flex;gap:8px;margin-top:10px}.pp-thumbs button{border:2px solid transparent;padding:2px;background:white;border-radius:5px}.pp-thumbs button.active{border-color:var(--blue)}.pp-thumbs img{height:65px;width:52px;object-fit:cover}.pp-info{padding-top:20px}.pp-kind{color:var(--blue);font-size:12px}.pp-info h2{font-size:35px;font-weight:500;letter-spacing:-.04em;margin:15px 0}.pp-price{font-size:23px;font-weight:600}.pp-desc{font-size:12px;line-height:1.9;color:var(--text);margin:20px 0}.pp-info h3{font-size:14px;margin:27px 0 15px}.specs{list-style:none;padding:0;margin:0}.specs li{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-bottom:1px solid var(--line);font-size:12px}.specs li>span:first-child{color:var(--text)}.pp-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.pp-actions .btn{font-size:11px;padding-inline:17px}.pp-related{padding:20px 0 40px}.pp-related>h3{font-size:20px;font-weight:500;margin-bottom:20px}.pp-related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:17px}.rc-img img{height:210px;width:100%;object-fit:cover;border-radius:9px}.pp-related-card p{font-size:12px;margin-top:10px}.lightbox{padding:25px;background:#101c2b;width:96vw;max-width:96vw;height:94svh;max-height:94svh;border-radius:12px;overflow:hidden;color:white}.lightbox figure{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;margin:0 50px}.lightbox figure>img{max-height:calc(100% - 40px);max-width:100%;object-fit:contain}.lightbox figcaption{font-size:11px;padding-top:12px}.lightbox .icon-button{position:absolute;background:#ffffffd9;border-radius:50%;z-index:2}.lb-close{top:15px;right:15px}.lb-prev{left:15px;top:50%}.lb-next{right:15px;top:50%}
@media(min-width:1650px){.hero h1{font-size:92px}.hero-top{grid-template-columns:1.8fr 1fr}.hero-aside{max-width:410px}.hero-aside>p{font-size:16px}}
@media(max-width:1200px){.shell{width:calc(100% - 64px)}.header-inner{gap:25px}.main-nav{gap:20px}.header-right{gap:13px}.header-phone{font-size:11px}.brand{font-size:24px}.material-info{padding:30px}.hero-top{gap:5%}.hero h1{font-size:6vw}.catalog-group-grid{gap:17px}.contact-heading{gap:25px}.main-phone{font-size:21px}}
@media(max-width:1080px){.nav-toggle{display:inline-flex}.main-nav{display:none;position:absolute;left:0;right:0;top:88px;padding:25px 32px;background:var(--paper);border-bottom:1px solid var(--line);box-shadow:0 15px 25px #142a4310}.main-nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.main-nav>a{padding:17px 0;border-bottom:1px solid var(--line)}.main-nav .lang-switch{padding:5px 0 12px;gap:16px}.header-right{margin-left:auto}.hero h1{font-size:6.5vw}.hero-proof{font-size:10px}.hero-proof p:nth-child(3){display:none}.material-photo{height:530px}.material-specs{grid-template-columns:1fr 1fr;gap:17px}.material-specs>div:last-child{grid-column:1/-1}.estimator-layout{gap:7%}.catalog-group-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.contact-heading{align-items:start;flex-direction:column}.pp-main{gap:30px}}
@media(max-width:760px){html{scroll-padding-top:80px}.shell{width:calc(100% - 40px)}.header-inner{min-height:72px}.brand{font-size:24px}.brand-symbol{width:23px;height:26px}.brand-symbol i{height:6px}.header-phone{display:none}.main-nav{top:72px;padding:16px 20px}.hero{padding-top:37px}.hero-top{grid-template-columns:1fr;gap:23px;margin-bottom:27px}.intro-label{font-size:10px;margin-bottom:18px}.hero h1{font-size:clamp(40px,9.5vw,68px);letter-spacing:-.055em}.hero-aside{max-width:460px}.hero-aside>p{font-size:12px;line-height:1.9;margin-bottom:18px;max-width:370px}.hero-aside .btn{margin-bottom:0}.btn{min-height:48px;padding:12px 17px;font-size:12px;gap:16px}.text-link{font-size:11px}.hero-visual{height:370px;border-radius:14px}.hero-visual>img{object-position:60% center}.hero-visual figcaption{left:20px;bottom:22px;max-width:75%;gap:7px}.hero-visual figcaption>span{font-size:18px}.hero-visual small{font-size:8px}.image-link{right:18px;bottom:21px;width:39px;height:39px;font-size:19px}.hero-proof{flex-wrap:wrap;gap:13px;font-size:10px;padding:21px 0}.hero-proof p:nth-child(2){display:none}.hero-proof .count{font-size:15px}.material-section{padding-block:65px}.section-heading{flex-direction:column;align-items:start;gap:16px;margin-bottom:25px}.section-heading h2,.estimator-intro h2{font-size:34px}.section-heading>p{font-size:12px;max-width:350px}.section-kicker{font-size:10px;margin-bottom:14px}.material-display{grid-template-columns:1fr;border-radius:13px}.material-photo{height:390px}.material-photo>img{object-fit:cover;object-position:center 58%}.material-info{padding:27px}.material-info h3{font-size:30px}.material-meta{font-size:10px}.material-specs{grid-template-columns:1.5fr 1fr 1fr;gap:11px}.material-specs>div:last-child{grid-column:auto}.material-specs dd{font-size:10px}.material-info .material-note{font-size:10px}.catalogue{padding-bottom:65px}.catalogue-heading{align-items:start;flex-direction:column;gap:15px;margin-bottom:23px}.catalogue-heading h2{font-size:34px}.catalogue-heading p{font-size:12px}.filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:16px}.filter-bar button{flex-shrink:0;padding:8px 12px;font-size:11px;min-height:44px}.filter-photo{display:none}.catalogue-toolbar{flex-wrap:wrap;gap:12px;padding:18px 0}.results-count{width:100%;font-size:11px}.catalogue-search{flex:1;width:auto;min-width:130px;height:42px}.catalogue-sort select{max-width:140px;font-size:10px;padding-right:0}.catalogue-sort>.ui-icon{display:none}.catalog-group-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 13px}.catalog-group-head h3{font-size:19px}.product-photo{border-radius:9px;aspect-ratio:3/4}.product-body{padding-top:12px}.product-name{font-size:12px;line-height:1.5}.product-spec-line{font-size:9px;gap:4px;flex-wrap:wrap}.product-foot{align-items:start;flex-direction:column;gap:6px;margin-top:12px}.product-price{font-size:13px}.product-kind{font-size:9px}.product-view{width:28px;height:28px;right:8px;bottom:8px}.product-view img{width:14px}.estimator-section{padding:55px 0}.estimator-layout{grid-template-columns:1fr;gap:30px}.estimator-intro>p:not(.section-kicker){font-size:12px;margin-top:18px}.estimator-note{margin-top:22px}.estimator{padding:23px;border-radius:12px}.field-row{gap:12px}.estimator label{font-size:10px}.estimator input,.estimator select{font-size:16px}.estimate-result output{font-size:39px}.collection{padding-block:65px}.gallery-grid{gap:12px}.gallery-grid a{flex-basis:140px}.gallery-grid img{height:190px}.how-section{padding-bottom:65px}.how-section>h2{font-size:26px;max-width:270px}.how-grid{grid-template-columns:1fr;gap:26px}.how-grid article{padding-top:20px}.how-grid h3{font-size:18px;margin:10px 0}.how-grid p{max-width:350px}.contact-section{padding:50px 0}.contact-heading{margin-bottom:35px}.contact-heading h2{font-size:34px}.main-phone{font-size:21px}.contact-grid{grid-template-columns:1fr;gap:30px}.footer-inner{flex-wrap:wrap;gap:20px}.footer-inner .brand{width:100%}.product-page{width:100vw;max-width:100vw;max-height:100svh;border-radius:0}.pp-scroll{max-height:100svh}.product-page .shell{width:calc(100% - 36px)}.pp-top{padding:17px 0}.pp-top>span{font-size:9px}.pp-top .btn{font-size:11px;padding-inline:10px}.pp-main{grid-template-columns:1fr;gap:12px}.pp-photo>#ppImg{height:360px}.pp-info h2{font-size:30px}.pp-related-grid{grid-template-columns:repeat(2,1fr);gap:20px 12px}.rc-img img{height:180px}.lightbox{padding:10px}.lightbox figure{margin:0 28px}.lightbox .icon-button{min-width:34px;min-height:34px;padding:7px}.lb-prev{left:7px}.lb-next{right:7px}}
@media(max-width:360px){.shell{width:calc(100% - 28px)}.brand{font-size:21px}.hero h1{font-size:36px}.hero-visual{height:330px}.hero-aside .btn{margin-right:10px}.material-info{padding:21px}.material-specs{gap:7px}.catalogue-sort select{max-width:121px}.catalogue-search{padding-inline:8px}.estimator{padding:18px}.estimator label{font-size:9px}.estimate-result>p{max-width:85px}.btn{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Catalogue direction grounded in the original red-and-white STROYSERVIS logo. */
:root{--navy:#24262a;--blue:#cd3526;--paper:#f6f6f4;--slate:#60636a;--line:#dededb}
.site-header{background:#25272b;color:#fff;border-bottom:1px solid #414247}.header-inner{min-height:98px}.brand-original{width:106px;flex-shrink:0}.brand-original img{width:106px;height:78px;object-fit:contain}.header-right .ui-icon{filter:brightness(0) invert(1)}.lang-switch button{color:#c4c5c8}.lang-switch button.active{color:#ff8171}.main-nav>a:hover{color:#ff8171}.btn-solid:hover{background:#aa291e}.main-nav{gap:32px}.intro-label>span:first-child{border-radius:1px;transform:rotate(-12deg)}.hero h1{font-weight:600}.hero-visual{border-radius:12px}.catalogue-anchor{scroll-margin-top:110px}.catalogue{padding-top:78px}.catalogue-heading{position:relative;align-items:end;padding-bottom:28px;border-bottom:1px solid var(--line);margin-bottom:28px}.catalogue-heading h2{font-weight:600;font-size:clamp(34px,4vw,58px);letter-spacing:-.055em}.catalogue-heading p{max-width:310px}.catalogue-brand-mark{position:absolute;width:36px;height:5px;top:-18px;left:0;background:var(--blue);transform:skewY(-12deg)}.filter-bar{gap:12px}.filter-bar button{border-radius:7px;border:1px solid var(--line);background:#fff;min-height:56px;padding:10px 18px}.filter-bar button.active{background:#25272b;color:#fff;border-color:#25272b}.filter-bar button small{font-weight:700}.catalogue-toolbar{padding-block:24px}.catalogue-search{background:white;border:1px solid var(--line);height:48px;border-radius:7px}.catalog-group-head{margin:28px 0 22px}.catalog-group-head h3{font-weight:600}.catalog-group-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.product-card{background:white;border:1px solid #dededb;border-radius:12px;overflow:hidden;transition:border-color .2s,box-shadow .2s}.product-card:hover,.product-card:focus-visible{border-color:var(--blue);box-shadow:0 12px 30px #24262a12}.product-photo{aspect-ratio:1/1;height:auto;border-radius:0;background:#302a26;overflow:hidden}.product-photo>img{height:100%;width:100%;object-fit:contain;transition:transform .35s}.product-card:hover .product-photo>img{transform:scale(1.035)}.product-view{width:42px;height:42px;background:#fff;bottom:16px;right:16px}.product-body{padding:23px}.product-name{font-size:21px;font-weight:600;letter-spacing:-.035em}.product-spec-line{display:flex;gap:0;margin-top:16px}.product-spec-line>span{background:#f1f1ee;padding:8px 11px;font-size:12px;color:#4f5156}.product-spec-line>span+span{margin-left:6px}.product-foot{padding:18px 0;margin-top:0;align-items:center}.product-price{font-size:23px;font-weight:700;letter-spacing:-.03em}.product-kind{font-size:11px}.product-detail-link{border-top:1px solid var(--line);padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;color:var(--blue)}.product-detail-link>span{font-size:22px}.estimator-section,.site-footer{background:#25272b}.btn-solid{--button-bg:#cd3526}.contact-section{background:#eaeae7}
@media(max-width:1080px){.main-nav{top:98px;background:#25272b}.main-nav>a{border-color:#44464b}.main-nav .lang-switch button{color:#c4c5c8}.main-nav .lang-switch button.active{color:#ff8171}.catalog-group-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.header-inner{min-height:84px}.brand-original,.brand-original img{width:88px}.brand-original img{height:65px}.main-nav{top:84px}.catalogue{padding-top:58px}.catalogue-heading{gap:14px}.catalogue-heading h2{font-size:37px}.catalog-group-grid{gap:16px}.product-body{padding:15px}.product-name{font-size:17px}.product-photo{aspect-ratio:3/4}.product-spec-line{flex-wrap:wrap;gap:5px;margin-top:12px}.product-spec-line>span{font-size:10px;padding:5px 7px}.product-spec-line>span+span{margin-left:0}.product-foot{align-items:start;gap:7px;padding:14px 0}.product-price{font-size:18px}.product-detail-link{font-size:11px;padding-top:12px}.product-view{width:32px;height:32px;right:10px;bottom:10px}.filter-bar button{min-height:46px;padding:8px 12px}.catalogue-toolbar{gap:12px}.catalogue-heading p{font-size:12px}.catalogue-anchor{scroll-margin-top:96px}}
@media(max-width:400px){.catalog-group-grid{gap:12px}.product-body{padding:12px}.product-name{font-size:15px}.product-price{font-size:16px}.product-spec-line>span{font-size:9px}.product-kind{font-size:9px}.product-detail-link{font-size:10px}}
@media(prefers-reduced-motion:reduce){.product-photo>img{transition:none}.product-card:hover .product-photo>img{transform:none}}
/* Clear catalogue-first layout. */
.hero{padding-top:48px}.hero-top{display:flex;align-items:center;justify-content:space-between;gap:30px;margin-bottom:0;padding-bottom:32px;border-bottom:1px solid var(--line)}.hero h1{font-size:clamp(34px,4vw,56px);line-height:1.15;letter-spacing:-.045em}.simple-intro{color:var(--text);font-size:15px;line-height:1.7;margin-top:14px}.hero-top>.btn{flex-shrink:0}.catalogue{padding-top:30px}.catalogue-heading{padding:0;border:0;margin-bottom:20px}.catalogue-heading h2{font-size:25px;letter-spacing:-.03em}.filter-photo,.product-view,.product-kind{display:none}.filter-bar button{min-height:46px}.catalog-group-head{margin-top:12px}.product-photo{background:#e8e3de}.product-name{font-size:19px}.product-foot{padding-block:15px}.product-detail-link{font-weight:500}.estimator-intro .section-kicker,.estimator-note>span{display:none}.estimator-section{padding-block:55px}.estimator-intro h2{font-size:36px}.contact-heading h2{font-size:36px}.header-inner{min-height:86px}.brand-original img{height:68px}.brand-original{width:92px}.brand-original img{width:92px}
@media(max-width:1080px){.main-nav{top:86px}}
@media(max-width:760px){.hero{padding-top:30px}.hero-top{display:block;padding-bottom:25px}.hero h1{font-size:34px}.simple-intro{font-size:13px;margin-top:11px;max-width:350px}.hero-top>.btn{margin-top:18px;min-height:44px}.catalogue{padding-top:24px}.catalogue-heading h2{font-size:23px}.catalogue-toolbar{padding-top:12px}.catalog-group-grid{gap:12px}.product-name{font-size:15px}.estimator-intro h2,.contact-heading h2{font-size:29px}.header-inner{min-height:76px}.brand-original img{height:58px;width:80px}.main-nav{top:76px}.product-spec-line>span{background:none;padding:0}.product-spec-line{gap:7px}.product-price{font-size:17px}}
.coverage-rate{font-size:13px;font-weight:600;color:var(--ink);padding:12px 0;margin-bottom:8px}.product-photo>img{object-fit:contain;object-position:center}