:root{
  --bg:#0f0f0f; --card:#1a1a1a; --text:#fff; --muted:#cfcfcf;
  --border:rgba(255,255,255,.08); --max:1100px;
}
*{box-sizing:border-box} html{scroll-behavior:smooth}
body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{text-decoration:none;color:inherit}
.page-width{width:min(var(--max),92%);margin:0 auto}
.center{text-align:center}
.header{border-bottom:1px solid var(--border);position:sticky;top:0;background:rgba(15,15,15,.92);backdrop-filter:blur(10px)}
.header__inner{min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-weight:700;font-size:1.08rem}
.nav{display:flex;gap:18px;flex-wrap:wrap}
.hero{padding:92px 0 72px}
.eyebrow{display:inline-block;color:var(--muted);letter-spacing:.08em;text-transform:uppercase;font-size:.8rem;margin-bottom:12px}
h1{font-size:clamp(2rem,5vw,3.6rem);line-height:1.05;margin:0 0 16px}
h2{font-size:clamp(1.8rem,4vw,2.7rem);line-height:1.1;margin:0 0 14px}
.sub{max-width:720px;margin:0 auto 24px;color:var(--muted);font-size:1.04rem}
.actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 22px;border-radius:10px;background:#fff;color:#000;font-weight:700}
.btn--ghost{background:transparent;color:#fff;border:1px solid var(--border)}
.section{padding:64px 0}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:24px}
.card,.box{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px}
.card h3{margin:0 0 10px}
.card p{margin:0;color:var(--muted)}
.price{font-size:2rem;font-weight:700;margin:12px 0 20px}
@media (max-width:800px){
  .nav{display:none}
  .grid{grid-template-columns:1fr}
  .hero{padding:72px 0 56px}
  .section{padding:52px 0}
}