:root{
  --bg:#0c0c0c;--ink:#ffffff;--muted:#a8a8a8;--accent:#36d7b7;--line:#1a1a1a;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif}
.container{max-width:960px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;background:rgba(12,12,12,.85);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0}
.brand{color:var(--accent);font-weight:900;letter-spacing:.14em}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid var(--line);color:var(--ink);text-decoration:none;transition:transform .08s ease, box-shadow .2s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 18px rgba(54,215,183,.12)}
.btn.primary{border-color:rgba(54,215,183,.6);box-shadow:0 0 16px rgba(54,215,183,.12)}
.hero{padding:90px 0 24px}
.hero h1{color:var(--accent);text-transform:uppercase;letter-spacing:.02em;font-size:36px;margin:0 0 10px}
.hero p.lead{color:var(--muted);font-size:18px;line-height:1.7;margin:0 0 12px}
.hr{width:140px;height:2px;background:var(--accent);margin:14px 0 0 0}
.section{padding:72px 0;border-top:1px solid var(--line)}
h2{color:var(--accent);font-size:22px;text-transform:uppercase;letter-spacing:.02em;margin:0 0 12px}
p{line-height:1.8;margin:0 0 12px}
.footer{padding:40px 0;border-top:1px solid var(--line);color:var(--muted);text-align:center;font-size:13px}
@media(max-width:840px){.hero h1{font-size:28px}}