/* Light industrial presentation: product imagery, graphite and brand blue. */
:root{--blue:#244dcc;--navy:#222b37;--ink:#292f36;--muted:#6a727c;--line:#dce0e4;--light:#f2f3f5;--radius:3px}
body{font-family:'Segoe UI',Arial,sans-serif;background:#f8f9fa;line-height:1.55}h1,h2,h3{font-family:'Segoe UI',Arial,sans-serif}
.wrap{width:min(1380px,calc(100% - 80px))}.topline{background:#edf0f3;color:#62707f;font-size:11px;letter-spacing:.025em}.topline .wrap{padding:7px 0}.topline a{color:#526173}
header{background:#fff;border-bottom:1px solid var(--line);box-shadow:none}.header{min-height:94px;gap:24px}.brand img{width:68px;height:58px}.brand span{font-size:17px;letter-spacing:.025em}.brand small{font-size:9px;letter-spacing:.04em}nav{font-size:13px;gap:24px;font-weight:500}
.button{border-radius:3px;box-shadow:none;font-size:14px;padding:15px 23px;font-weight:600;transition:background .2s}.button:hover{background:#183bab}.button.secondary{border-color:#b6c0cb;color:#334252;background:transparent}.button.secondary:hover{background:#e9edf4}.button.compact{padding:12px 18px}
.hero{grid-template-columns:1.05fr 1fr;gap:0;padding:50px 0 0;margin-top:0;min-height:545px;background:transparent;color:var(--ink);border-radius:0;overflow:visible}.hero-copy{padding:12px 25px 38px 0;background:none;position:relative;z-index:1}
.hero .eyebrow{font-size:10px;letter-spacing:.15em;color:#626d79;margin-bottom:28px;display:flex;align-items:center;gap:12px}.hero .eyebrow:before{content:'';width:8px;height:8px;background:var(--blue);flex-shrink:0}
.hero h1{font-size:clamp(46px,4.8vw,72px);font-weight:650;letter-spacing:-.055em;line-height:1.03;margin:0 0 27px}.hero h1 em{color:var(--blue);font-style:normal}.hero .intro{font-size:17px;color:#68737f;max-width:425px;line-height:1.65}.hero .actions{gap:12px;margin:29px 0}.hero .actions .button{gap:30px}
.hero-facts{display:flex;gap:40px;border-top:1px solid var(--line);padding-top:19px;max-width:425px}.hero-facts>div{display:flex;flex-direction:column;gap:3px}.hero-facts strong{font-size:24px;font-weight:600;letter-spacing:-.04em;color:#33404e}.hero-facts span{font-size:11px;color:#76808b}
.hero-photo{min-height:490px;max-height:none;position:relative;border:0;border-radius:0;background:radial-gradient(ellipse at 55% 60%,#e2e6eb 0%,#f8f9fa 70%);overflow:hidden;isolation:isolate}.hero-photo>img{position:absolute;inset:40px -9% auto;width:118%;max-width:none;height:350px;object-fit:contain;mix-blend-mode:multiply}.hero-photo:after{content:none}
.hero-photo-top{position:absolute;top:9px;left:25px;right:0;display:flex;justify-content:space-between;gap:15px;color:#87929c;font-size:9px;letter-spacing:.11em;border-bottom:1px solid var(--line);padding-bottom:15px}.photo-caption{position:absolute;bottom:32px;left:25px;right:0;color:#414c59;font-size:19px;line-height:1.3;font-weight:500;border-top:1px solid var(--line);padding-top:19px}.photo-caption span{font-size:9px;color:#87919c;margin-top:12px}
.direction-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid #cbd2da;border-bottom:1px solid #cbd2da;margin-top:5px}.direction-cards>a{display:flex;align-items:center;gap:20px;padding:28px 26px;transition:background .2s}.direction-cards>a:first-child{padding-left:0}.direction-cards>a+a{border-left:1px solid var(--line)}.direction-cards>a:hover{background:#eef1f7}.direction-number{color:#9ba4ae;font-size:11px;align-self:start}.direction-cards h2{font-size:19px;font-weight:600;letter-spacing:-.02em;line-height:1.3}.direction-cards p{color:#828b96;font-size:12px;margin:6px 0 0}.direction-cards b{color:var(--blue);font-size:23px;font-weight:400;margin-left:auto}
.section{padding-top:80px;padding-bottom:80px}.section-heading{margin-bottom:34px;align-items:end}.section-heading h2{font-size:clamp(32px,3.5vw,48px);font-weight:650;letter-spacing:-.04em;color:#7a848f}.section-heading h2 em{font-style:normal;color:var(--blue)}.section-heading .eyebrow{font-size:10px;color:#7b8693;letter-spacing:.13em}.section-heading>p{font-size:13px;max-width:330px;line-height:1.7;color:#79838e}
.product-families{padding-bottom:15px}.family-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}.family-card{display:flex;flex-direction:column;text-align:left;background:transparent;border:0;padding:0;color:var(--ink)}.family-visual{display:flex;align-items:center;justify-content:center;width:100%;height:240px;background:#fff;border:1px solid #e0e4e9;border-radius:4px;overflow:hidden;transition:border-color .2s}.family-visual img{width:100%;height:100%;object-fit:contain;padding:20px;transition:transform .25s;mix-blend-mode:multiply}.family-card:hover .family-visual{border-color:#8197d1}.family-card:hover img{transform:scale(1.04)}.family-label{display:flex;justify-content:space-between;align-items:center;width:100%;padding:17px 0 0;gap:15px;font-size:20px;font-weight:600;letter-spacing:-.02em}.family-label b{color:var(--blue);font-size:23px;font-weight:400}.family-mark{font-size:11px;color:#818b96;margin-top:5px}
.catalog-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:30px;align-items:start}.catalog-sidebar{position:sticky;top:120px;padding:25px 22px;background:#edf0f3;border:1px solid #e1e5e9;border-radius:4px}.catalog-sidebar>.eyebrow{font-size:10px;color:#6f7d8b}.nomenclature-tools{display:flex;flex-direction:column;align-items:stretch;gap:18px}.nomenclature-tools>label{min-width:0;flex:none;font-size:12px;font-weight:500}.nomenclature-tools .search{margin:0;min-width:0}.nomenclature-tools input{font-size:13px;padding:12px}.nomenclature-tools select{font-size:12px;padding:12px 8px}.nomenclature-tools .text-button{align-self:start;color:#7d8791;font-size:11px}.catalog-help{border-top:1px solid #cfd7df;margin-top:24px;padding-top:22px;font-size:12px}.catalog-help strong{font-size:14px;font-weight:600}.catalog-help p{color:#738090}.catalog-help a{color:var(--blue)}.catalog-main{min-width:0}.catalog-main>.catalog-note{margin:0 0 13px;font-size:11px;line-height:1.7}#result-count{font-size:12px;color:#667383;padding:0 0 16px;border-bottom:1px solid var(--line);margin-bottom:22px}
.product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px 18px}.product-card{border:1px solid #e0e5e9;border-radius:3px;box-shadow:none;background:#fff;transition:border-color .2s}.product-card:hover{transform:none;box-shadow:none;border-color:#8197d1}.product-picture{background:#fff;border-bottom:1px solid #eef0f3}.product-picture img{height:185px;padding:12px;object-fit:contain;mix-blend-mode:multiply}.catalog-placeholder{height:185px;position:relative;background:#f0f2f4;color:#939da8;font-size:11px;padding-top:60px}.catalog-placeholder:before{content:'ЖБИ';position:absolute;top:42px;color:#c8d0d7;font-size:30px;font-weight:600;letter-spacing:.1em}.product-copy{padding:18px}.product-copy .eyebrow{font-size:9px;color:#81909e;letter-spacing:.04em;min-height:26px;margin-bottom:9px}.product-copy h3{font-size:17px;font-weight:600;line-height:1.4;margin-bottom:13px}.product-copy p:not(.eyebrow){font-size:11px;color:#8a929d}.product-copy .price-label{font-size:13px!important;color:#505d6c!important;font-weight:500}.product-copy button{font-size:11px}.product-copy button+button{border:1px solid #cbd5ec;padding:10px 7px;text-align:center;border-radius:2px;color:var(--blue);font-size:12px;margin-top:12px}.product-copy button+button:hover{background:#f1f4fc}.product-copy button:disabled{color:#387653;border-color:#b4d1bf}
.inquiry{background:white;border:1px solid #b3c1db;border-radius:4px}.inquiry-shortcut{position:fixed;bottom:56px;right:24px;z-index:20;padding:14px 21px;background:var(--blue);color:white;border-radius:3px;box-shadow:0 6px 22px #244dcc26;font-size:13px}.inquiry-shortcut[hidden]{display:none}.inquiry-shortcut span{margin:0 9px;font-weight:700}
.stock-section{background:#eceff3;border-top:1px solid #e1e5e9;border-bottom:1px solid #e1e5e9}.stock-note{font-size:13px;line-height:1.75}.stock-card{border:1px solid #dce2e9;border-radius:3px;box-shadow:none}.stock-card>img{height:160px;padding:15px}.stock-copy h3{font-size:17px}.stock-copy p{font-size:12px}.stock-copy button{font-size:12px}.stock-pages button{font-size:12px;padding:12px 20px}.stock-placeholder{font-size:11px;background:#e4e9ef;color:#8090a0}
.concrete{background:#253f75;color:white}.concrete-layout{gap:70px}.concrete-copy h2{font-size:clamp(36px,4vw,58px);font-weight:600;letter-spacing:-.045em}.concrete .eyebrow{color:#b4c6eb}.concrete-copy>p{color:#c5d0e5;line-height:1.8}.steps li{border-color:#ffffff26;padding:22px 0}.form-card{background:white;border-radius:4px;box-shadow:none;border:1px solid #e0e5eb;color:var(--ink);padding:35px}.form-card h3{font-size:25px;font-weight:600;letter-spacing:-.025em}.form-card .eyebrow{color:var(--blue)}.form-grid label{font-size:12px;font-weight:500}.form-card input,.form-card select,.form-card textarea{border-radius:2px;background:#f8f9fb;border-color:#d9e0e7;font-size:14px}
.metal-section{padding:48px 40px;margin-top:65px;background:#e9edf4;border:1px solid #dce2ed}.metal-section .section-heading{margin:0}.metal-section h2{color:#334762}.metal-section p{color:#6b7a8e;font-size:14px}.about-band{background:transparent;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:27px 0;border-radius:0}.about-band p{font-size:15px;color:#6b7887}.gallery-title{font-size:20px;font-weight:600;margin-top:37px}.house{border:0;border-radius:3px;background:transparent}.house>div{padding:20px 0}.house h3{font-size:21px;font-weight:600}.house img{filter:saturate(.78)}
.contact-section{background:#eef1f5}.contact-layout{gap:80px}.contact-layout h2{font-size:clamp(36px,4vw,56px);font-weight:600;color:#334763}dt{color:#8492a2;font-size:11px}dd{font-size:17px;font-weight:500}dd small{font-weight:400;color:#8b96a4}.company-details h2{font-weight:600;font-size:40px;color:#586777}.company-details>p:not(.eyebrow):not(.catalog-note){max-width:900px;color:#667483;font-size:16px}.requisites-grid{gap:28px;margin-top:25px}.requisites-grid dl{padding:8px 25px 25px;border:1px solid var(--line);background:white}.company-details details{background:white;border:1px solid var(--line);padding:17px 22px;border-radius:2px}
footer{background:#28313c;color:#e1e6ec;font-size:13px}footer p{color:#9da9b8;font-size:12px}.preview-banner{background:#e4e9ef;color:#748191;border-color:#d4dce5;font-size:10px;padding:7px 12px}dialog{border-radius:4px;box-shadow:0 25px 100px #0003;padding:34px}dialog>img[hidden]{display:none}dialog h2{overflow-wrap:anywhere}
@media(max-width:1150px){.wrap{width:calc(100% - 40px)}.header{gap:18px}.brand span{font-size:15px}.brand img{width:58px}nav{font-size:12px;gap:16px}.hero h1{font-size:54px}.hero-copy{padding-right:15px}.hero .intro{font-size:16px}.hero-photo>img{inset:60px -9% auto;height:320px}.hero .button{font-size:12px;padding:13px 17px}.direction-cards>a{padding:24px 17px;gap:12px}.direction-cards h2{font-size:17px}.family-visual{height:220px}.family-label{font-size:18px}.catalog-layout{grid-template-columns:215px minmax(0,1fr);gap:22px}.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.concrete-layout,.contact-layout{gap:36px}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.topline .wrap{font-size:10px;padding:7px 0}.header{min-height:95px;padding:12px 0;gap:0}.brand img{width:47px;height:42px}.brand span{font-size:15px}.brand small{font-size:8px}nav{gap:8px 17px;font-size:11px}.hero{grid-template-columns:1fr;padding:30px 0 0;min-height:0;gap:0}.hero-copy{padding:0}.hero .eyebrow{font-size:9px;margin-bottom:23px}.hero h1{font-size:clamp(42px,7.4vw,58px);max-width:560px}.hero .intro{font-size:16px;max-width:480px}.hero .actions{margin:23px 0}.hero .button{font-size:13px;padding:14px 18px}.hero-facts{max-width:none;gap:45px;padding:17px 0;border-bottom:1px solid var(--line)}.hero-facts strong{font-size:22px}.hero-facts span{font-size:10px}.hero-photo{min-height:370px;max-height:none;margin-top:10px}.hero-photo>img{height:255px;inset:28px -5% auto;width:110%}.hero-photo-top{left:0;right:0;top:5px;font-size:8px;border:0;padding:0}.photo-caption{left:0;right:0;bottom:22px;font-size:17px;padding-top:12px}.photo-caption span{margin-top:8px;font-size:9px}.direction-cards{grid-template-columns:1fr}.direction-cards>a,.direction-cards>a:first-child{padding:20px 0;gap:20px}.direction-cards>a+a{border-left:0;border-top:1px solid var(--line)}.direction-cards h2{font-size:18px}.direction-cards p{font-size:11px}.section{padding:50px 0}.section-heading{margin-bottom:26px}.section-heading h2{font-size:34px}.section-heading>p{max-width:none;font-size:12px}.family-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:25px 14px}.family-visual{height:175px}.family-visual img{padding:10px}.family-label{font-size:16px;padding-top:12px;line-height:1.3;align-items:start}.family-label b{font-size:18px}.family-mark{font-size:10px}.product-families{padding-bottom:0}.catalog-layout{grid-template-columns:1fr;gap:25px}.catalog-sidebar{position:static;padding:20px}.nomenclature-tools{display:grid;grid-template-columns:1fr 1fr;gap:14px}.nomenclature-tools .search{grid-column:1/-1}.catalog-help{display:none}.product-grid{gap:16px 12px}.product-picture img,.catalog-placeholder{height:160px}.product-copy{padding:15px}.product-copy h3{font-size:16px}.product-copy button+button{font-size:11px}.form-card{padding:24px}.concrete-layout,.contact-layout{gap:32px}.stock-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metal-section{padding:30px 24px;margin-top:40px}.metal-section .section-heading>div+div{margin-top:24px}.metal-section h2{font-size:32px}.requisites-grid{grid-template-columns:1fr}.company-details h2{font-size:32px}.inquiry-shortcut{right:16px;bottom:52px;font-size:12px;padding:12px 17px}dialog{padding:25px}.preview-banner{font-size:9px}}
@media(max-width:420px){.hero h1{font-size:42px}.hero .actions{display:grid;grid-template-columns:1fr 1fr;gap:9px}.hero .button{font-size:11px;padding:14px 10px;gap:10px}.hero-photo{min-height:330px}.hero-photo>img{height:225px}.hero-facts{gap:35px}.hero-facts span{font-size:9px}.family-visual{height:150px}.family-label{font-size:15px}.family-mark{font-size:9px}.product-grid,.stock-grid{grid-template-columns:1fr}.product-picture img{height:205px}.catalog-placeholder{height:130px;padding-top:55px}.catalog-placeholder:before{top:25px}.product-copy h3{font-size:19px}.product-copy .eyebrow{min-height:0}.product-copy button+button{font-size:12px}.form-grid{grid-template-columns:1fr}.nomenclature-tools{grid-template-columns:1fr}.nomenclature-tools .search{grid-column:auto}}