:root{
  --bg:#0b0e13;
  --bg-soft:#10151d;
  --panel:rgba(255,255,255,.05);
  --line:rgba(255,255,255,.10);
  --text:#f4f5f7;
  --muted:rgba(255,255,255,.72);
  --gold:#d8a24a;
  --shadow:0 24px 60px rgba(0,0,0,.30);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:40;background:rgba(11,14,19,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.brand{display:flex;align-items:center;gap:14px}
.brand img{height:52px;width:auto;filter:brightness(0) invert(1)}
.brand strong{display:block;font-size:12px;letter-spacing:.26em;color:#fff}
.brand span{display:block;font-size:12px;color:rgba(255,255,255,.62)}
.main-nav{display:flex;gap:28px;font-size:14px;color:rgba(255,255,255,.82)}
.main-nav a:hover{color:var(--gold)}
.lang-switch{display:flex;gap:6px;padding:4px;border:1px solid var(--line);border-radius:999px;background:var(--panel)}
.lang-switch button{border:0;background:transparent;color:#fff;padding:7px 9px;border-radius:999px;cursor:pointer;font-size:16px}
.lang-switch button.active{background:var(--gold);color:#000}
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,14,19,.93) 0%,rgba(11,14,19,.78) 45%,rgba(11,14,19,.45) 100%),url('../../images/hero/forged-copper-hero.jpg') center/cover no-repeat}
.hero-grid{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:center;padding:84px 0}
.eyebrow{display:inline-block;margin-bottom:18px;font-size:11px;letter-spacing:.26em;text-transform:uppercase;color:#f0c273}
.hero h1{margin:0;max-width:760px;font-size:clamp(40px,5.5vw,66px);line-height:1.02}
.hero p{max-width:760px;margin:22px 0 0;color:var(--muted);font-size:19px;line-height:1.7}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.badge-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.badge-row span{padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.05);font-size:14px;color:rgba(255,255,255,.82)}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:18px;padding:14px 22px;font-weight:700}
.btn-primary{background:var(--gold);color:#111;box-shadow:0 14px 34px rgba(216,162,74,.24);border:0;cursor:pointer}
.btn-outline{border:1px solid rgba(216,162,74,.35);background:rgba(216,162,74,.10);color:#f0c273}
.hero-panel,.panel{border:1px solid var(--line);border-radius:32px;background:var(--panel);padding:22px;box-shadow:var(--shadow)}
.hero-panel{backdrop-filter:blur(10px)}
.hero-panel-logo{height:86px;width:auto;filter:brightness(0) invert(1);margin-bottom:24px}
.hero-panel-cards{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.mini-card{padding:18px;border-radius:20px;border:1px solid var(--line);background:rgba(255,255,255,.05)}
.mini-card small{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.18em;color:var(--gold)}
.mini-card strong{display:block;margin-top:8px;font-size:18px}
.panel-photo,.wide-photo{width:100%;object-fit:cover;border-radius:22px;border:1px solid var(--line)}
.panel-photo{height:180px;margin-top:18px}
.section{padding:88px 0}
.section-alt{background:rgba(255,255,255,.04);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--bg-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section h2{margin:0;font-size:clamp(34px,4vw,46px)}
.section-intro{max-width:760px;margin:18px 0 0;color:var(--muted);line-height:1.7}
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:34px}
.product-card{padding:14px;border-radius:28px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow);transition:transform .2s ease,border-color .2s ease}
.product-card:hover{transform:translateY(-4px);border-color:rgba(216,162,74,.35)}
.product-card img{height:170px;width:100%;object-fit:cover;border-radius:18px}
.product-card h3{margin:16px 0 0;font-size:22px}
.product-card p{margin:12px 0 0;font-size:14px;line-height:1.6;color:rgba(255,255,255,.68)}
.sectors-layout{display:grid;grid-template-columns:1fr 520px 1fr;gap:28px;align-items:center;margin-top:34px}
.sector-list{display:grid;gap:16px}
.sector-chip{padding:20px;border-radius:20px;border:1px solid var(--line);background:#111722;font-size:20px;font-weight:600;color:rgba(255,255,255,.92)}
.sector-image-wrap{position:relative;overflow:hidden;border-radius:28px;border:1px solid var(--line);box-shadow:var(--shadow)}
.sector-image-wrap img{height:380px;width:100%;object-fit:cover}
.sector-dots{display:flex;justify-content:center;gap:10px;margin-top:16px}
.sector-dots button{height:10px;width:10px;border-radius:999px;border:0;background:rgba(255,255,255,.30);cursor:pointer}
.sector-dots button.active{width:34px;background:var(--gold)}
.two-col,.quality-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.panel-accent{background:linear-gradient(135deg,rgba(216,162,74,.12),rgba(255,255,255,.05))}
.check-list{display:grid;gap:14px}
.check-list div{padding:18px;border:1px solid var(--line);border-radius:18px;background:rgba(0,0,0,.16);color:rgba(255,255,255,.84)}
.quality-row{display:flex;gap:18px;align-items:flex-start}
.cert-thumb{width:170px}
.quality-meta{display:flex;flex-direction:column;gap:16px}
.quality-meta p{margin:0;color:rgba(255,255,255,.64);line-height:1.6}
.logos{display:flex;gap:12px;flex-wrap:wrap}
.logos img{height:52px;width:auto;background:#fff;padding:8px;border-radius:10px}
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:32px}
.process-card{padding:20px;border-radius:24px;border:1px solid var(--line);background:var(--panel)}
.process-card .icon{font-size:40px}
.process-card strong{display:block;margin-top:12px;font-size:24px}
.process-card p{margin:12px 0 0;color:rgba(255,255,255,.68);line-height:1.6;font-size:14px}
.process-card .step{margin-top:18px;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--gold)}
.contact-form{display:grid;max-width:900px;gap:16px;margin-top:26px;padding:28px;border-radius:30px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow)}
.contact-form input,.contact-form select,.contact-form textarea{width:100%;padding:14px 16px;border-radius:14px;border:1px solid var(--line);background:#111722;color:#fff;font:inherit}
.contact-form textarea{min-height:120px;resize:vertical}
.file-block label{display:block;margin-bottom:8px;font-size:14px;color:rgba(255,255,255,.76)}
.file-block small{color:rgba(255,255,255,.48)}
.form-status{padding:14px 16px;border-radius:16px;border:1px solid var(--line);font-size:14px}
.form-status.success{border-color:rgba(143,224,174,.30);background:rgba(143,224,174,.10);color:#8fe0ae}
.form-status.error{border-color:rgba(242,161,161,.30);background:rgba(242,161,161,.10);color:#f2a1a1}
.hidden{display:none}
.site-footer{border-top:1px solid var(--line);padding:26px 0;text-align:center;color:rgba(255,255,255,.5);background:var(--bg)}
@media (max-width:1100px){.product-grid{grid-template-columns:repeat(2,1fr)}.sectors-layout{grid-template-columns:1fr}.two-col,.quality-grid,.hero-grid{grid-template-columns:1fr}.process-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.main-nav{display:none}.process-grid,.product-grid{grid-template-columns:1fr}.header-inner{flex-wrap:wrap}.brand span{display:none}.section{padding:64px 0}.hero-grid{padding:64px 0}.hero h1{font-size:38px}}