:root{
  --bg:#f6f4f1; --surface:#ffffff; --ink:#1f2a30; --muted:#6b7780;
  --accent:#e0703a; --accent-d:#c85c2a; --line:#e7e2dc; --dark:#1f2a30;
  --ok:#2e9e5b; --radius:14px; --shadow:0 6px 24px rgba(31,42,48,.08);
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Segoe UI',system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.55;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--max);margin:0 auto;padding:0 18px}
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;
  background:var(--accent);color:#fff;border:0;padding:12px 22px;border-radius:10px;
  font-weight:600;cursor:pointer;transition:.18s;font-size:15px}
.btn:hover{background:var(--accent-d)}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);background:transparent}
.btn-dark{background:var(--dark)}
.btn-dark:hover{background:#101a1f}
.btn-tg{background:#2aabee}.btn-tg:hover{background:#1d97d6}
.btn-ig{background:linear-gradient(45deg,#f09433,#e6683c,#dc2743,#cc2366,#bc1888)}
.btn-block{width:100%}
.btn-sm{padding:8px 14px;font-size:14px}

/* header */
.header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.header .bar{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;letter-spacing:.3px}
.logo .mark{width:34px;height:34px;border-radius:9px;background:var(--accent);
  display:grid;place-items:center;color:#fff;font-size:18px}
.nav{display:flex;gap:22px;margin-left:auto;align-items:center}
.nav a{font-weight:500;color:var(--muted);padding:6px 0;position:relative}
.nav a:hover,.nav a.active{color:var(--ink)}
.nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--accent)}
.head-actions{display:flex;align-items:center;gap:12px}
.lang{display:flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.lang a{padding:5px 10px;font-size:13px;font-weight:600;color:var(--muted)}
.lang a.active{background:var(--accent);color:#fff}
.cart-link{position:relative;font-size:22px}
.cart-link .badge{position:absolute;top:-8px;right:-10px;background:var(--accent);color:#fff;
  font-size:11px;min-width:18px;height:18px;border-radius:9px;display:grid;place-items:center;padding:0 4px;font-weight:700}
.burger{display:none;font-size:26px;background:none;border:0;cursor:pointer;color:var(--ink)}

/* hero */
.hero{background:linear-gradient(120deg,#26323a,#1f2a30);color:#fff;padding:70px 0 80px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:380px;height:380px;
  background:radial-gradient(circle,rgba(224,112,58,.35),transparent 70%)}
.hero h1{font-size:clamp(28px,4.5vw,48px);margin:0 0 16px;line-height:1.15;max-width:760px}
.hero p{font-size:18px;color:#cdd6db;max-width:620px;margin:0 0 28px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .stats{display:flex;gap:40px;margin-top:46px;flex-wrap:wrap}
.hero .stats b{display:block;font-size:30px;color:var(--accent)}
.hero .stats span{color:#aab6bd;font-size:14px}

/* sections */
.section{padding:64px 0}
.section h2{font-size:clamp(24px,3vw,34px);margin:0 0 8px;text-align:center}
.section .sub{text-align:center;color:var(--muted);margin:0 auto 40px;max-width:560px}
.grid{display:grid;gap:22px}
.grid.cols-3{grid-template-columns:repeat(3,1fr)}
.grid.cols-4{grid-template-columns:repeat(4,1fr)}
.grid.cols-2{grid-template-columns:repeat(2,1fr)}

/* cards */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.card .thumb{aspect-ratio:4/3;background:#e9e4de;position:relative;display:grid;place-items:center;
  color:#b3a99e;font-size:42px;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:16px;display:flex;flex-direction:column;gap:8px;flex:1}
.card .cat{font-size:12px;text-transform:uppercase;letter-spacing:.5px;color:var(--accent);font-weight:700}
.card h3{margin:0;font-size:17px}
.card .price{font-size:20px;font-weight:800;margin-top:auto}
.card .price small{font-size:13px;color:var(--muted);font-weight:500}
.card .old{color:var(--muted);text-decoration:line-through;font-size:14px;font-weight:500;margin-left:6px}
.badge-pill{display:inline-block;background:#eef6f0;color:var(--ok);font-size:12px;font-weight:600;padding:3px 9px;border-radius:20px}
.badge-pill.muted{background:#f0ece7;color:var(--muted)}

/* category cards */
.cat-card{position:relative;border-radius:var(--radius);overflow:hidden;min-height:200px;
  display:flex;align-items:flex-end;background:linear-gradient(160deg,#34424b,#1f2a30);color:#fff;padding:22px}
.cat-card h3{font-size:22px;margin:0 0 4px;position:relative;z-index:2}
.cat-card p{margin:0;color:#cdd6db;font-size:14px;position:relative;z-index:2}
.cat-card .arrow{position:absolute;top:18px;right:18px;font-size:22px;color:var(--accent);z-index:2}

/* features */
.feature{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.feature .ic{width:48px;height:48px;border-radius:12px;background:#fbeee6;color:var(--accent);
  display:grid;place-items:center;font-size:24px;margin-bottom:14px}
.feature h3{margin:0 0 6px;font-size:18px}
.feature p{margin:0;color:var(--muted);font-size:14px}

/* product page */
.product-wrap{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.product-gallery{aspect-ratio:1/1;background:#e9e4de;border-radius:var(--radius);display:grid;place-items:center;
  color:#b3a99e;font-size:80px;overflow:hidden}
.product-gallery img{width:100%;height:100%;object-fit:cover}
.option-group{margin:16px 0}
.option-group .lbl{font-weight:600;margin-bottom:8px;font-size:14px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{border:1.5px solid var(--line);border-radius:9px;padding:8px 14px;cursor:pointer;font-size:14px;
  background:#fff;transition:.15s;user-select:none}
.chip:hover{border-color:var(--accent)}
.chip.active{border-color:var(--accent);background:#fbeee6;color:var(--accent-d);font-weight:600}
.chip .mod{font-size:12px;color:var(--muted);margin-left:4px}
.calc-box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-top:8px}
.field{margin-bottom:14px}
.field label{display:block;font-weight:600;font-size:14px;margin-bottom:6px}
.input,input[type=text],input[type=email],input[type=tel],input[type=number],textarea,select{
  width:100%;padding:11px 14px;border:1.5px solid var(--line);border-radius:10px;font-size:15px;
  font-family:inherit;background:#fff;color:var(--ink)}
.input:focus,input:focus,textarea:focus,select:focus{outline:0;border-color:var(--accent)}
.calc-result{display:flex;justify-content:space-between;align-items:center;
  background:#fbeee6;border-radius:10px;padding:14px 18px;margin:16px 0}
.calc-result .big{font-size:26px;font-weight:800;color:var(--accent-d)}
.muted{color:var(--muted)}
.small{font-size:13px}
.divider{height:1px;background:var(--line);margin:20px 0}

/* table */
.table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:var(--radius);overflow:hidden}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}
.table th{background:#fafafa;font-weight:600;color:var(--muted);text-transform:uppercase;font-size:12px;letter-spacing:.4px}
.table tr:last-child td{border-bottom:0}

/* flash */
.flash{padding:14px 18px;border-radius:10px;margin-bottom:18px;font-weight:500}
.flash.ok{background:#eaf7ef;color:#1f7a44;border:1px solid #cdebd8}
.flash.err{background:#fdecec;color:#b5302d;border:1px solid #f6cfcd}

/* footer */
.footer{background:var(--dark);color:#cdd6db;padding:50px 0 24px;margin-top:40px}
.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px;margin-bottom:30px}
.footer h4{color:#fff;margin:0 0 14px;font-size:16px}
.footer a{color:#cdd6db;display:block;padding:4px 0;font-size:14px}
.footer a:hover{color:var(--accent)}
.footer .copy{border-top:1px solid #2c3942;padding-top:18px;font-size:13px;color:#8b97a0;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px}
.socials{display:flex;gap:10px;margin-top:12px}
.socials a{width:38px;height:38px;border-radius:10px;background:#2c3942;display:grid;place-items:center;font-size:18px;padding:0}
.socials a:hover{background:var(--accent);color:#fff}

/* page header */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:30px 0}
.page-head h1{margin:0;font-size:30px}
.crumbs{color:var(--muted);font-size:14px;margin-bottom:6px}
.cat-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.cat-filter a{padding:9px 18px;border-radius:20px;border:1.5px solid var(--line);font-size:14px;font-weight:600;color:var(--muted)}
.cat-filter a.active,.cat-filter a:hover{background:var(--accent);border-color:var(--accent);color:#fff}

/* float buttons */
.float-tg{position:fixed;right:20px;bottom:20px;width:56px;height:56px;border-radius:50%;background:#2aabee;
  color:#fff;display:grid;place-items:center;font-size:26px;box-shadow:0 6px 20px rgba(0,0,0,.2);z-index:60}
.float-tg:hover{transform:scale(1.06)}

@media(max-width:900px){
  .grid.cols-4{grid-template-columns:repeat(2,1fr)}
  .grid.cols-3{grid-template-columns:repeat(2,1fr)}
  .product-wrap{grid-template-columns:1fr}
  .footer .cols{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;
    padding:14px 18px;border-bottom:1px solid var(--line);gap:6px}
  .nav.open{display:flex}
  .nav a{padding:10px 0;width:100%}
  .burger{display:block;order:5}
  .grid.cols-4,.grid.cols-3,.grid.cols-2,.footer .cols{grid-template-columns:1fr}
  .hero .stats{gap:24px}
  .head-actions{margin-left:auto}
}