/* РАЗЭМ — industrial hi-tech */
:root{
  --accent:#0A84FF; --accent2:#00D4FF; --dark:#08111F; --dark2:#0D1B2E;
  --panel:#101F35; --line:#1E3350; --bg:#F5F7FA; --text:#1E293B; --muted:#7C8DA6;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Segoe UI',Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.55}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.wrap{max-width:1240px;margin:0 auto;padding:0 20px}

/* Header */
header.site{position:sticky;top:0;z-index:50;background:rgba(8,17,31,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd{display:flex;align-items:center;gap:28px;height:68px}
.hd img{height:42px}
nav.main{display:flex;gap:4px;margin-left:auto}
nav.main a{color:#B9C6D8;font-size:14px;padding:8px 12px;border-radius:6px;transition:.2s}
nav.main a:hover,nav.main a.active{color:#fff;background:rgba(10,132,255,.15)}
.hd .phone{color:#fff;font-weight:600;font-size:15px;white-space:nowrap}
.hd .phone span{color:var(--accent2)}
.btn{display:inline-block;background:var(--accent);color:#fff;font-weight:600;padding:12px 26px;border-radius:8px;border:none;cursor:pointer;font-size:15px;transition:.2s}
.btn:hover{background:#0870d9;transform:translateY(-1px)}
.btn.ghost{background:transparent;border:1px solid var(--accent);color:var(--accent)}
.btn.ghost:hover{background:rgba(10,132,255,.08)}
.btn.sm{padding:8px 16px;font-size:13px}
.burger{display:none;background:none;border:none;color:#fff;font-size:24px;cursor:pointer}

/* Hero */
.hero{background:radial-gradient(1100px 500px at 75% 0%,#123059 0%,var(--dark) 55%),var(--dark);color:#fff;padding:78px 0 64px;position:relative;overflow:hidden}
.hero::after{content:'';position:absolute;inset:0;background:
 repeating-linear-gradient(90deg,transparent 0 79px,rgba(10,132,255,.05) 79px 80px),
 repeating-linear-gradient(0deg,transparent 0 79px,rgba(10,132,255,.05) 79px 80px);pointer-events:none}
.hero .wrap{position:relative;z-index:2}
.tag{display:inline-block;border:1px solid var(--accent);color:var(--accent2);font-size:12px;letter-spacing:2px;padding:6px 14px;border-radius:20px;margin-bottom:22px;text-transform:uppercase}
.hero h1{font-size:46px;line-height:1.15;max-width:760px;font-weight:800}
.hero h1 b{color:var(--accent2)}
.hero p.sub{color:#AEBED3;font-size:18px;max-width:620px;margin:18px 0 30px}
.searchbar{display:flex;max-width:720px;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.4)}
.searchbar input{flex:1;border:none;padding:16px 18px;font-size:16px;outline:none;color:var(--text)}
.searchbar button{border:none;background:var(--accent);color:#fff;font-weight:700;padding:0 28px;cursor:pointer;font-size:16px}
.hint{color:#5E7391;font-size:13px;margin-top:10px}
.hint a{color:var(--accent2);border-bottom:1px dotted}

/* Sections */
section{padding:64px 0}
.sec-title{font-size:30px;font-weight:800;margin-bottom:8px}
.sec-sub{color:var(--muted);margin-bottom:34px;max-width:680px}
.dark-sec{background:var(--dark);color:#fff}
.dark-sec .sec-sub{color:#8FA1BC}

/* Category cards */
.cats{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:16px}
.cat{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:22px;transition:.2s;color:#DDE6F2}
.cat:hover{border-color:var(--accent);transform:translateY(-3px)}
.cat .ic{font-size:30px;margin-bottom:12px}
.cat h3{font-size:16px;margin-bottom:6px}
.cat p{font-size:13px;color:#8FA1BC}
.cat .cnt{color:var(--accent2);font-size:12px;margin-top:10px;display:block}

/* Series */
.series-chips{display:flex;flex-wrap:wrap;gap:10px}
.chip{border:1px solid var(--line);background:var(--panel);color:#DDE6F2;padding:9px 18px;border-radius:22px;font-size:14px;transition:.2s}
.chip:hover{border-color:var(--accent);color:var(--accent2)}

/* Advantages / steps */
.adv{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.adv .card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:24px}
.adv .num{font-size:13px;color:var(--accent2);letter-spacing:2px;margin-bottom:10px}
.adv h3{font-size:17px;margin-bottom:8px}
.adv p{font-size:14px;color:#8FA1BC}

/* Light cards */
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.lcard{background:#fff;border:1px solid #E2E8F0;border-radius:12px;padding:26px;box-shadow:0 2px 8px rgba(15,30,55,.05)}
.lcard h3{font-size:18px;margin:10px 0 8px}
.lcard p{color:var(--muted);font-size:14px}
.lcard .ic{font-size:30px}

/* Catalog */
.cat-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}
.filters{background:#fff;border:1px solid #E2E8F0;border-radius:12px;padding:20px;position:sticky;top:88px}
.filters h4{font-size:14px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin:16px 0 8px}
.filters h4:first-child{margin-top:0}
.filters select,.filters input{width:100%;padding:9px 10px;border:1px solid #CBD5E1;border-radius:6px;font-size:14px;margin-bottom:8px}
.f-check{display:flex;align-items:center;gap:8px;font-size:14px;margin:6px 0;cursor:pointer}
.toolbar{display:flex;gap:12px;align-items:center;margin-bottom:18px;flex-wrap:wrap}
.toolbar input{flex:1;min-width:220px;padding:12px 14px;border:1px solid #CBD5E1;border-radius:8px;font-size:15px}
.result-info{color:var(--muted);font-size:14px}
.plist{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.pcard{background:#fff;border:1px solid #E2E8F0;border-radius:12px;padding:18px;transition:.2s;display:flex;flex-direction:column}
.pcard:hover{border-color:var(--accent);box-shadow:0 6px 20px rgba(10,132,255,.12)}
.pcard .art{font-weight:700;font-size:15px;color:var(--accent);word-break:break-all}
.pcard .ana{font-size:12px;color:var(--muted);margin:4px 0}
.pcard .row{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}
.badge{font-size:11px;padding:3px 9px;border-radius:10px;background:#EEF4FF;color:#0A5BD6;font-weight:600}
.badge.ok{background:#E7F8EF;color:#0E7A43}
.badge.no{background:#FDECEC;color:#B42318}
.pcard .price{font-size:18px;font-weight:800;margin-top:auto}
.pcard .price small{font-weight:400;color:var(--muted);font-size:12px}
.pcard .meta{font-size:12px;color:var(--muted);margin:4px 0 10px}
.pcard .actions{display:flex;gap:8px;margin-top:10px}

/* Product page */
.pd{display:grid;grid-template-columns:1fr 380px;gap:34px;align-items:start}
.pd h1{font-size:26px;margin:6px 0 4px;word-break:break-all}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--accent)}
table.spec{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}
table.spec td{padding:11px 14px;border-bottom:1px solid #EDF1F6;font-size:14px}
table.spec td:first-child{color:var(--muted);width:45%}
.buybox{background:#fff;border:1px solid #E2E8F0;border-radius:12px;padding:24px;position:sticky;top:88px}
.buybox .pr{font-size:30px;font-weight:800}
.buybox .pr small{font-size:14px;color:var(--muted);font-weight:400}
.buybox .lbl{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-top:14px}
.rel-list{display:flex;flex-direction:column;gap:10px}
.rel-item{border:1px solid #E2E8F0;border-radius:10px;padding:12px 14px;font-size:14px;display:flex;justify-content:space-between;gap:10px;align-items:center}
.rel-item b{color:var(--accent)}

/* Forms */
.form{background:#fff;border:1px solid #E2E8F0;border-radius:14px;padding:30px}
.form label{display:block;font-size:13px;font-weight:600;margin:14px 0 6px}
.form input,.form select,.form textarea{width:100%;padding:12px 14px;border:1px solid #CBD5E1;border-radius:8px;font-size:15px;font-family:inherit}
.form textarea{min-height:110px;resize:vertical}
.form .two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.drop{border:2px dashed #CBD5E1;border-radius:10px;padding:26px;text-align:center;color:var(--muted);font-size:14px;cursor:pointer;margin-top:14px}
.drop:hover{border-color:var(--accent);color:var(--accent)}
.ok-msg{display:none;background:#E7F8EF;border:1px solid #9AD9B4;color:#0E7A43;padding:16px;border-radius:10px;margin-top:16px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,#0A84FF,#0066CC);color:#fff;padding:56px 0;text-align:center;border-radius:0}
.cta-band h2{font-size:30px;margin-bottom:10px}
.cta-band p{opacity:.9;margin-bottom:24px}

/* Footer */
footer{background:var(--dark);color:#8FA1BC;padding:50px 0 26px;font-size:14px}
.f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:34px;margin-bottom:34px}
footer h4{color:#fff;font-size:15px;margin-bottom:14px}
footer a{display:block;margin:7px 0;transition:.2s}
footer a:hover{color:var(--accent2)}
.f-bottom{border-top:1px solid var(--line);padding-top:20px;display:flex;justify-content:space-between;font-size:13px;color:#5E7391}

/* Page hero (inner) */
.page-hero{background:var(--dark);color:#fff;padding:52px 0}
.page-hero h1{font-size:34px;font-weight:800}
.page-hero p{color:#AEBED3;margin-top:8px;max-width:640px}
.pager{display:flex;gap:8px;justify-content:center;margin-top:28px;flex-wrap:wrap}
.pager button{border:1px solid #CBD5E1;background:#fff;padding:8px 14px;border-radius:8px;cursor:pointer;font-size:14px}
.pager button.on{background:var(--accent);color:#fff;border-color:var(--accent)}

@media(max-width:960px){
 .cat-layout,.pd{grid-template-columns:1fr}
 .f-grid{grid-template-columns:1fr 1fr}
 .filters{position:static}
 nav.main{display:none;position:absolute;top:68px;left:0;right:0;background:var(--dark);flex-direction:column;padding:14px 20px;border-bottom:1px solid var(--line)}
 nav.main.open{display:flex}
 .burger{display:block}
 .hd .phone{display:none}
 .hero h1{font-size:32px}
 .form .two{grid-template-columns:1fr}
}