:root{--orange:#ff6901;--orange2:#ff8a24;--ink:#0b0c0e;--ink2:#15171a;--text:#17191d;--muted:#73787f;--line:#e6e7e9;--soft:#f5f6f7;--white:#fff;--radius:20px;--shadow:0 16px 48px rgba(12,15,20,.10);--max:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.5}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{background:var(--orange);color:#111;font-size:12px;font-weight:700}.topbar .wrap{display:flex;justify-content:space-between;padding:9px 0;gap:20px}.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.headin{display:flex;align-items:center;gap:26px;min-height:76px}.logo{width:248px;height:auto}.nav{display:flex;gap:20px;flex:1;justify-content:center;font-size:14px;font-weight:700}.nav a{padding:28px 0;position:relative}.nav a:hover:after{content:"";position:absolute;left:0;right:0;bottom:18px;height:2px;background:var(--orange)}.headphone{font-weight:800;font-size:14px;white-space:nowrap}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--orange);color:#101113;border:0;border-radius:9px;padding:13px 20px;font-weight:900;font-size:14px;cursor:pointer;box-shadow:0 8px 20px rgba(255,105,1,.18);transition:.2s}.btn:hover{transform:translateY(-1px);background:var(--orange2)}.btn.ghost{background:transparent;color:inherit;border:1px solid currentColor;box-shadow:none}.btn.dark{background:var(--ink);color:#fff}.burger{display:none;border:0;background:none;font-size:26px}.mobile-nav{display:none;background:#fff;border-top:1px solid var(--line);padding:12px 20px}.mobile-nav.open{display:grid}.mobile-nav a{padding:12px 0;border-bottom:1px solid var(--line);font-weight:800}
.hero{background:linear-gradient(90deg,rgba(5,6,8,.92),rgba(5,6,8,.70)),url('../assets/office-2.jpg') center/cover;min-height:620px;color:#fff;display:flex;align-items:center;position:relative;overflow:hidden}.hero:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 5px);mix-blend-mode:soft-light}.hero .wrap{position:relative;z-index:1}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:11px;font-weight:900;color:var(--orange)}h1{font-size:clamp(42px,6vw,78px);line-height:.98;margin:16px 0 22px;max-width:930px;letter-spacing:-.04em}.hero p{max-width:720px;color:#d7dadd;font-size:18px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.numbers{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:42px}.num{border-top:1px solid rgba(255,255,255,.3);padding-top:14px}.num strong{display:block;font-size:28px}.num span{display:block;color:#bfc4c9;font-size:12px}
.section{padding:88px 0}.section.dark{background:var(--ink);color:#fff}.section.soft{background:var(--soft)}.section-head{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.section-head h2{margin:6px 0 0;font-size:42px;line-height:1.04;letter-spacing:-.03em}.lead{font-size:18px;color:var(--muted);max-width:760px}.dark .lead{color:#bfc4c9}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.2s;box-shadow:0 8px 30px rgba(0,0,0,.04)}.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}.card img{aspect-ratio:1.34;object-fit:cover}.cardbody{padding:18px}.pill{display:inline-flex;background:#f0f1f2;padding:6px 9px;border-radius:999px;font-size:10px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}.card h3{margin:10px 0 8px;font-size:22px}.card p{margin:0;color:var(--muted);font-size:14px}.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.rounded{border-radius:22px;box-shadow:var(--shadow)}.checklist{display:grid;gap:14px;margin-top:24px}.check{display:flex;gap:14px}.check i{width:30px;height:30px;border-radius:50%;background:var(--orange);color:#111;display:grid;place-items:center;font-style:normal;font-weight:900;flex:0 0 auto}.mini{font-size:13px;color:var(--muted)}
.pagehero{background:linear-gradient(135deg,#0a0c0f,#1a1d21);color:#fff;padding:56px 0}.crumbs{font-size:12px;color:#9aa0a6;margin-bottom:20px}.pagehero h1{font-size:58px;margin:0 0 12px}.catalog-layout{display:grid;grid-template-columns:260px 1fr;gap:26px}.filters{position:sticky;top:100px;height:max-content;background:#fff;border:1px solid var(--line);padding:20px;border-radius:16px}.filters button{width:100%;text-align:left;padding:11px 12px;border:0;background:none;border-radius:10px;font-weight:800;cursor:pointer}.filters button.active,.filters button:hover{background:var(--soft)}.productgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card{position:relative}.product-card .tag{position:absolute;left:12px;top:12px;background:var(--orange);padding:7px 10px;border-radius:999px;font-size:10px;font-weight:900}.price{font-size:28px;font-weight:900;margin:14px 0}.price small{font-size:13px;color:var(--muted);font-weight:700}.product-page{display:grid;grid-template-columns:1.05fr .95fr;gap:52px}.product-mainimg{width:100%;aspect-ratio:1.18;object-fit:cover;border-radius:22px;border:1px solid var(--line)}.thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}.thumbs img{aspect-ratio:1.2;object-fit:cover;border-radius:10px;border:2px solid transparent;cursor:pointer}.thumbs img.active{border-color:var(--orange)}.specs{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line);margin-top:24px}.spec{padding:14px 0;border-bottom:1px solid var(--line)}.spec small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}.spec b{font-size:14px}.quote{background:var(--soft);padding:20px;border-radius:18px;margin-top:22px}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.field label{display:block;font-size:12px;font-weight:900;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid #d9dadd;border-radius:10px;padding:12px 13px;background:#fff;font:inherit}.field textarea{min-height:110px;resize:vertical}.result{background:#0c0e11;color:#fff;padding:28px;border-radius:18px}.result .big{font-size:48px;font-weight:900;line-height:1;margin:10px 0}.calc-layout{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.calc-panel{border:1px solid var(--line);border-radius:18px;padding:28px}.resultlist{margin:20px 0}.resultrow{display:flex;justify-content:space-between;gap:20px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.1)}.sticky-cta{position:fixed;right:20px;bottom:20px;z-index:45;box-shadow:0 18px 48px rgba(0,0,0,.2)}
.projectgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.project{position:relative;overflow:hidden;border-radius:18px;background:#111;color:#fff;min-height:330px}.project img{width:100%;height:100%;object-fit:cover;transition:.4s}.project:hover img{transform:scale(1.04)}.project .overlay{position:absolute;inset:auto 0 0;padding:24px;background:linear-gradient(transparent,rgba(0,0,0,.88));padding-top:90px}.project h3{margin:0 0 5px}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.article{border:1px solid var(--line);border-radius:16px;overflow:hidden}.article img{aspect-ratio:1.5;object-fit:cover}.article .body{padding:18px}.article h3{margin:8px 0}.faq{border-top:1px solid var(--line)}.faq details{padding:18px 0;border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;font-weight:900;font-size:18px}.docgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.doc{border:1px solid var(--line);padding:22px;border-radius:16px;background:#fff}.footer{background:#0c0e11;color:#e9ebed;padding:64px 0 30px}.footgrid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}.footer p,.footer a{color:#9fa5ab;font-size:13px}.footer b{color:#fff}.footer .logo{width:235px;margin-bottom:12px}.footbottom{border-top:1px solid rgba(255,255,255,.08);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:#80858b;font-size:12px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(20px);background:#121417;color:#fff;padding:14px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:90}.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}.hidden{display:none!important}
@media(max-width:1000px){.nav,.headphone,.headin>.btn{display:none}.burger{display:block;margin-left:auto}.grid4,.grid3,.productgrid,.projectgrid,.article-grid{grid-template-columns:repeat(2,1fr)}.catalog-layout,.product-page,.calc-layout,.split{grid-template-columns:1fr}.filters{position:static}.numbers{grid-template-columns:repeat(2,1fr)}.footgrid{grid-template-columns:1fr 1fr}.pagehero h1{font-size:44px}}
@media(max-width:640px){.wrap{width:min(var(--max),calc(100% - 28px))}.topbar .wrap{font-size:10px}.topbar .wrap span:last-child{display:none}.headin{min-height:66px}.logo{width:210px}.hero{min-height:640px}.hero p{font-size:16px}.grid4,.grid3,.productgrid,.projectgrid,.article-grid,.formgrid,.specs,.footgrid{grid-template-columns:1fr}.section{padding:62px 0}.section-head{align-items:start;flex-direction:column}.section-head h2{font-size:32px}.pagehero h1{font-size:38px}.product-page{gap:28px}.price{font-size:26px}.sticky-cta{left:14px;right:14px;bottom:14px;width:auto}.sticky-cta .btn{width:100%}.footbottom{flex-direction:column}}
/* METПОТОЛКИ brand mark: transparent master logo works on light header and footer. */
.header .logo{object-fit:contain;object-position:left center}
.footer .logo{object-fit:contain;object-position:left center}
@media(max-width:1100px) and (min-width:1001px){.headin{gap:18px}.logo{width:220px}.nav{gap:14px;font-size:13px}}