:root{
  --blue:#0d6efd;--blue-d:#0b5ed7;--ink:#15212e;--muted:#6b7a8d;--line:#e4e9f0;
  --bg:#f6f8fb;--card:#fff;--yellow:#ffd23f;--green:#16a34a;--orange:#f59e0b;--red:#dc2626;
  --radius:14px;--shadow:0 2px 14px rgba(20,40,70,.07);--shadow-h:0 8px 28px rgba(20,40,70,.13);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1240px;margin:0 auto;padding:0 16px}
h1,h2,h3,h4{line-height:1.2}
main{min-height:50vh}

.topbar{background:var(--ink);color:#cdd8e6;font-size:13px}
.topbar .wrap{display:flex;gap:22px;padding:7px 16px;flex-wrap:wrap}
.topbar a{color:#cdd8e6}
.mainbar{display:flex;align-items:center;gap:20px;padding:14px 16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px}
.logo-mark{width:42px;height:42px;display:grid;place-items:center;background:var(--blue);color:var(--yellow);border-radius:11px;font-size:24px}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text small{font-weight:500;font-size:11px;color:var(--muted)}
.search{flex:1;display:flex;max-width:560px;border:2px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.search input{flex:1;border:0;padding:11px 14px;font-size:15px;outline:none}
.search button{border:0;background:var(--blue);color:#fff;padding:0 18px;font-size:17px;cursor:pointer}
.cart-link{display:flex;align-items:center;gap:7px;font-weight:600;white-space:nowrap}
.cart-count{background:var(--blue);color:#fff;border-radius:20px;min-width:22px;height:22px;display:inline-grid;place-items:center;font-size:12px;padding:0 6px}
.burger{display:none;border:0;background:none;font-size:26px;cursor:pointer}
.catnav{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.catnav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;overflow-x:auto;scrollbar-width:thin}
.catnav li a{display:block;padding:12px 13px;font-size:14px;white-space:nowrap;color:#33485f;font-weight:500}
.catnav li a:hover{color:var(--blue);background:#eef4ff}

.crumbs{padding:14px 16px;font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a:hover{color:var(--blue)}
.crumbs .sep{color:#c2cdda}

.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:30px;align-items:center;padding:38px 16px}
.hero-text h1{font-size:34px;margin:0 0 14px}
.hero-text p{color:var(--muted);font-size:17px;max-width:560px}
.hero-btns{display:flex;gap:12px;margin-top:22px;flex-wrap:wrap}
.hero-badges{display:grid;gap:12px}
.hb{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;display:grid;grid-template-columns:auto 1fr;gap:2px 14px;align-items:center;font-size:14px;color:var(--muted);box-shadow:var(--shadow);grid-template-areas:"ic title" "ic sub"}
.hb::before{grid-area:ic;font-size:28px}
.hb b{grid-area:title;color:var(--ink);font-size:15px;display:block}

.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:10px;padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;transition:.15s}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:var(--blue-d)}
.btn.ghost{background:#fff;color:var(--blue);border:2px solid var(--blue)}
.btn.ghost:hover{background:#eef4ff}
.btn.big{padding:14px 26px;font-size:16px}
.center{text-align:center;margin:28px 0}

.sect-title{font-size:24px;margin:34px 0 18px;position:relative;padding-left:14px}
.sect-title::before{content:"";position:absolute;left:0;top:3px;bottom:3px;width:5px;background:var(--blue);border-radius:3px}

.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.cat-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 16px;display:flex;flex-direction:column;align-items:center;gap:6px;text-align:center;box-shadow:var(--shadow);transition:.15s}
.cat-card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px);border-color:#cfe0ff}
.cat-ic{font-size:32px}
.cat-card small{color:var(--muted);font-size:12px}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--shadow);transition:.15s}
.card:hover{box-shadow:var(--shadow-h);transform:translateY(-3px)}
.card-img{position:relative;aspect-ratio:1;background:#fff;display:block;padding:10px}
.card-img img{width:100%;height:100%;object-fit:contain}
.badge{position:absolute;top:8px;left:8px;font-size:11px;font-weight:600;padding:4px 9px;border-radius:20px;color:#fff;z-index:2}
.badge.in{background:var(--green)}.badge.ready{background:var(--blue)}.badge.out{background:#9aa7b8}
.card-body{padding:12px 14px 14px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-title{font-size:14px;font-weight:500;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;min-height:60px}
.card-title:hover{color:var(--blue)}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:8px}
.price{font-weight:800;font-size:18px;white-space:nowrap}
.price small{font-weight:500;font-size:11px;color:var(--muted)}
.old{font-weight:500;font-size:13px;color:var(--muted);text-decoration:line-through;margin-left:4px}
.buy{border:0;background:var(--blue);color:#fff;border-radius:8px;padding:9px 14px;font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap}
.buy:hover{background:var(--blue-d)}
.buy.ask{background:#eef2f7;color:var(--muted)}

.catalog-grid{display:grid;grid-template-columns:250px 1fr;gap:24px;align-items:start}
.filters{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px;position:sticky;top:14px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}
.filters h3{margin:0}
.filters label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#33485f}
.filters select,.filters input,.catalog-top input{border:1.5px solid var(--line);border-radius:8px;padding:9px 11px;font-size:14px;outline:none;width:100%}
.filters select:focus,.filters input:focus,.catalog-top input:focus{border-color:var(--blue)}
.range{display:flex;gap:8px}
.catalog-top{display:flex;gap:14px;align-items:center;margin-bottom:16px}
.catalog-top input{max-width:360px}
.count{color:var(--muted);font-size:14px}
.empty{text-align:center;color:var(--muted);padding:40px}
.cat-h1{margin:6px 0 4px;font-size:27px}
.cat-sub{color:var(--muted);margin:0 0 18px}

.product-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin-top:6px}
.product-gallery{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px;display:grid;place-items:center}
.product-gallery img{max-height:440px;object-fit:contain}
.product-info h1{font-size:25px;margin:0 0 12px}
.p-meta{color:var(--muted);font-size:14px;margin-bottom:14px}
.stock{font-weight:600;padding:3px 10px;border-radius:20px;color:#fff;font-size:13px}
.stock.in{background:var(--green)}.stock.ready{background:var(--blue)}.stock.out{background:#9aa7b8}
.p-price{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:14px 0 18px}
.p-price .cur{font-size:32px;font-weight:800}
.save{background:#fee2e2;color:var(--red);font-weight:700;font-size:13px;padding:3px 9px;border-radius:6px}
.p-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.p-benefits{list-style:none;padding:14px 16px;margin:0 0 20px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);display:grid;gap:8px;font-size:14px;color:#33485f}
.p-desc h2{font-size:19px;margin:0 0 8px}
.p-desc p{color:#33485f}
.p-specs{width:100%;border-collapse:collapse;margin-top:16px}
.p-specs th,.p-specs td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--line);font-size:14px}
.p-specs th{width:40%;color:var(--muted);font-weight:600}

.cart-layout{display:grid;grid-template-columns:1fr 320px;gap:24px;align-items:start;margin-top:10px}
.cart-row{display:grid;grid-template-columns:80px 1fr auto;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;margin-bottom:12px}
.cart-row img{width:80px;height:80px;object-fit:contain}
.cart-row .ct{font-size:14px;font-weight:500}
.cart-row .cp{color:var(--muted);font-size:13px;margin-top:4px}
.qty{display:inline-flex;border:1.5px solid var(--line);border-radius:8px;overflow:hidden;margin-top:6px}
.qty button{border:0;background:#f2f5f9;width:30px;height:30px;font-size:16px;cursor:pointer}
.qty span{width:38px;display:grid;place-items:center;font-weight:600}
.cart-row .rm{background:none;border:0;color:var(--red);cursor:pointer;font-size:13px;margin-top:6px}
.cart-row .line-total{font-weight:800;white-space:nowrap}
.cart-summary{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;position:sticky;top:14px;box-shadow:var(--shadow)}
.cart-summary .row{display:flex;justify-content:space-between;margin-bottom:10px;font-size:15px}
.cart-summary .total{font-size:22px;font-weight:800;border-top:1px solid var(--line);padding-top:12px;margin-top:6px}
.checkout{max-width:760px;margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
#order-form label{display:flex;flex-direction:column;gap:6px;font-size:13px;font-weight:600;color:#33485f;margin-bottom:14px}
#order-form input,#order-form select,#order-form textarea{border:1.5px solid var(--line);border-radius:8px;padding:10px 12px;font-size:14px;font-family:inherit;outline:none}
#order-form input:focus,#order-form select:focus,#order-form textarea:focus{border-color:var(--blue)}
.order-done{background:#ecfdf5;border:1px solid #6ee7b7;border-radius:var(--radius);padding:20px;color:#065f46}

.article{max-width:880px;padding-bottom:40px}
.article h1{margin:8px 0 18px}
.article h2{font-size:20px;margin:26px 0 10px}
.article p,.article li{color:#33485f}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}

.site-footer{background:var(--ink);color:#aebccd;margin-top:50px;padding:40px 0 20px}
.site-footer .cols{display:grid;grid-template-columns:1.6fr 1fr 1.4fr 1.2fr;gap:30px}
.site-footer h4{color:#fff;margin:0 0 12px;font-size:15px}
.site-footer a{display:block;color:#aebccd;padding:3px 0;font-size:14px}
.site-footer a:hover{color:#fff}
.f-logo{font-size:20px;font-weight:800;color:#fff;margin-bottom:10px}
.foot-cats a{display:inline;padding:0}
.foot-cats{font-size:13px;line-height:1.9}
.copyright{border-top:1px solid #2a3a4d;margin-top:26px;padding-top:18px;font-size:13px;color:#7e90a5}

@media(max-width:920px){
  .hero{grid-template-columns:1fr}
  .product-grid{grid-template-columns:1fr}
  .catalog-grid{grid-template-columns:1fr}
  .filters{position:static}
  .cart-layout{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .mainbar{flex-wrap:wrap}
  .search{order:3;max-width:100%;flex-basis:100%}
  .burger{display:block}
  .catnav{display:none}
  body.nav-open .catnav{display:block}
  body.nav-open .catnav ul{flex-direction:column}
  .hero-text h1{font-size:26px}
  .form-row{grid-template-columns:1fr}
  .site-footer .cols{grid-template-columns:1fr}
}