:root{
  --bg-1:#0b1f2e; --bg-2:#0e2d44; --gold:#d4af37; --gold-hi:#e8c66a;
  --text:#f5f7fa; --muted:#9fb3c2; --card:#11293c; --radius:16px;
  --maxw:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  color:var(--text);
  background:linear-gradient(160deg,var(--bg-1),var(--bg-2));
  min-height:100vh;line-height:1.5;
}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,31,46,.85);
  backdrop-filter:blur(8px);border-bottom:1px solid rgba(212,175,55,.2)}
.header-inner{display:flex;align-items:center;gap:24px;padding:12px 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:20px}
.brand-logo{height:34px;width:auto}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{white-space:nowrap}
.nav a:hover{color:var(--gold-hi)}
.header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.lang-switch{display:flex;align-items:center;gap:2px;flex-shrink:0}
.lang-switch button{background:none;border:1px solid transparent;color:var(--muted);
  cursor:pointer;padding:4px 8px;border-radius:8px;font:inherit}
.lang-switch button.active{color:var(--gold);border-color:var(--gold)}
.btn{display:inline-block;padding:10px 18px;border-radius:999px;font-weight:600;cursor:pointer}
.btn-gold{background:var(--gold);color:#10293c}
.btn-gold:hover{background:var(--gold-hi)}
.burger{display:none;background:none;border:none;color:var(--text);font-size:24px;cursor:pointer}
@media(max-width:1024px){
  .nav{position:fixed;inset:64px 0 auto 0;flex-direction:column;background:var(--bg-2);
    padding:20px;display:none}
  .nav.open{display:flex}
  .burger{display:block}
  .header-actions{margin-left:auto}
}
@media(max-width:500px){
  .header-inner{gap:12px}
  .header-actions{gap:8px}
  .header-actions .btn-gold{display:none}
  .lang-switch button{padding:4px 6px}
}
.section{padding:72px 0}
.section-title{font-size:32px;margin-bottom:32px;text-align:center}
.section-lead{max-width:780px;margin:-16px auto 36px;text-align:center;color:var(--muted);font-size:17px;line-height:1.6}
.hero{padding:72px 0}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.hero h1{font-size:46px;line-height:1.1;margin-bottom:18px}
.hero-sub{color:var(--muted);font-size:18px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.btn-outline{border:1px solid var(--gold);color:var(--gold)}
.btn-outline:hover{background:rgba(212,175,55,.1)}
.hero-art img{filter:drop-shadow(0 20px 50px rgba(212,175,55,.25));margin-inline:auto}
.adv-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.adv-card{background:var(--card);border:1px solid rgba(212,175,55,.15);
  border-radius:var(--radius);padding:26px}
.adv-card h3{color:var(--gold);margin-bottom:10px}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr}.hero h1{font-size:34px}
  .adv-grid{grid-template-columns:1fr}}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.product-card{background:var(--card);border:1px solid rgba(212,175,55,.15);
  border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:12px;
  transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-6px);box-shadow:0 16px 40px rgba(0,0,0,.4)}
.product-img{height:200px;display:flex;align-items:center;justify-content:center;
  background:radial-gradient(circle at 50% 40%,rgba(212,175,55,.12),transparent 70%)}
.product-img img{max-height:100%;object-fit:contain}
.product-desc{color:var(--muted);font-size:14px;flex:1}
.price{font-size:18px;font-weight:700;color:var(--gold)}
.install{color:var(--muted);font-weight:400;font-size:13px}
.colors{display:flex;gap:8px}
.dot{width:22px;height:22px;border-radius:50%;border:2px solid transparent;cursor:pointer}
.dot.active{border-color:var(--gold)}
.dot-black{background:#1b1b1b}.dot-silver{background:#c8ccd0}.dot-gold{background:#cba04a}
.order-btn{margin-top:auto}
@media(max-width:1000px){.product-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.product-grid{grid-template-columns:1fr}}
.section-alt{background:rgba(0,0,0,.18)}
.unlock-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.unlock-item{background:var(--card);border-radius:var(--radius);padding:22px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:12px;
  border:1px solid rgba(212,175,55,.15)}
.ico{width:44px;height:44px;color:var(--gold)}
.how-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;list-style:none}
.how-step{background:var(--card);border-radius:var(--radius);padding:24px;text-align:center;
  border:1px solid rgba(212,175,55,.15)}
.how-num{display:inline-flex;width:42px;height:42px;border-radius:50%;background:var(--gold);
  color:#10293c;font-weight:700;align-items:center;justify-content:center;margin-bottom:12px}
@media(max-width:820px){.unlock-grid{grid-template-columns:repeat(2,1fr)}
  .how-grid{grid-template-columns:repeat(2,1fr)}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start}
.contact-line{display:block;font-size:22px;font-weight:700;margin:6px 0}
.contact-line:hover{color:var(--gold-hi)}
.msg-buttons{display:flex;gap:12px;margin-top:18px}
.btn-wa{background:#25d366;color:#06340f}
.btn-viber{background:#7360f2;color:#fff}
.order-form{display:flex;flex-direction:column;gap:12px;background:var(--card);
  padding:24px;border-radius:var(--radius);border:1px solid rgba(212,175,55,.15)}
.order-form input,.order-form select,.order-form textarea{padding:12px;border-radius:10px;border:1px solid #244;
  background:#0d2334;color:var(--text);font:inherit}
.order-form textarea{resize:vertical;min-height:64px}
.check-row{display:flex;align-items:center;gap:10px;color:var(--muted);cursor:pointer;user-select:none}
.check-row input{width:18px;height:18px;accent-color:var(--gold);cursor:pointer}
.msg-choice{display:flex;gap:18px;color:var(--muted)}
@media(max-width:820px){
  .contact-grid{grid-template-columns:1fr}
  .contact-info{text-align:center}
  .msg-buttons{justify-content:center}
}
.site-footer{border-top:1px solid rgba(212,175,55,.2);padding:30px 0;margin-top:40px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}
.footer-contacts{display:flex;gap:18px}
.footer-rights{color:var(--muted);font-size:14px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .6s,transform .6s}
.reveal.visible{opacity:1;transform:none}