:root{--bg:#0b1120;--panel:#0f172a;--text:#e5e7eb;--muted:#94a3b8;--brand:#38bdf8;--brand-700:#0284c7;--card:#111827;--accent:#22d3ee;--ring:rgba(56,189,248,.4)}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;background:linear-gradient(180deg,#0b1120,#111827);color:var(--text);line-height:1.6}
.container{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}

.site-header{position:sticky;top:0;z-index:50;background:rgba(11,17,32,.7);backdrop-filter:saturate(150%) blur(10px);border-bottom:1px solid rgba(148,163,184,.12)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);text-decoration:none;font-weight:700}
.brand-icon{width:28px;height:28px}
.brand-name{letter-spacing:.2px}
.nav{display:flex;align-items:center;gap:18px}
.nav a{color:var(--muted);text-decoration:none;font-weight:500}
.nav a:hover{color:var(--text)}
.nav-toggle{display:none;background:transparent;border:0;cursor:pointer}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0}

.btn{display:inline-block;padding:10px 16px;border-radius:10px;font-weight:600;text-decoration:none;transition:all .2s ease;border:1px solid transparent}
.btn-primary{background:linear-gradient(90deg,var(--brand),var(--accent));color:#001018;box-shadow:0 0 0 0 rgba(0,0,0,0)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 8px 24px -8px var(--ring)}
.btn-secondary{background:transparent;border-color:rgba(148,163,184,.2);color:var(--text)}
.btn-secondary:hover{border-color:rgba(148,163,184,.4)}

.hero{padding:80px 0;background:radial-gradient(1200px 600px at 50% -10%,rgba(56,189,248,.12),transparent 60%)}
.hero-inner{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
.hero-copy h1{font-size:42px;line-height:1.1;margin:0 0 14px}
.hero-copy p{color:var(--muted);font-size:18px;margin:0 0 18px}
.hero-cta{display:flex;gap:12px;margin:18px 0}
.hero-highlights{display:flex;flex-wrap:wrap;gap:12px;padding:0;margin:18px 0 0 0;list-style:none}
.hero-highlights li{padding:6px 10px;border-radius:999px;border:1px solid rgba(148,163,184,.18);color:var(--muted);font-size:13px}
.hero-image{width:100%;max-width:520px;border-radius:16px;border:1px solid rgba(148,163,184,.15);box-shadow:0 20px 60px -30px rgba(0,0,0,.6)}

.section{padding:72px 0}
.section.alt{background:linear-gradient(180deg,rgba(2,8,23,.4),rgba(2,8,23,.1))}
.section h2{font-size:28px;margin:0 0 22px}
.grid{display:grid;gap:18px}
.grid.two{grid-template-columns:1fr 1fr}
.features-grid{grid-template-columns:repeat(3,1fr)}

.card{background:rgba(17,24,39,.6);border:1px solid rgba(148,163,184,.12);border-radius:16px;padding:18px}
.card h3{margin:0 0 10px;font-size:18px}
.card p,.card li{color:var(--muted)}
.card ul{margin:0;padding-left:18px}

.bullets{margin:0;padding-left:18px}
.note{background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.25);border-radius:14px;padding:14px;color:var(--text)}

.cta{text-align:center}
.cta p{color:var(--muted)}

.site-footer{border-top:1px solid rgba(148,163,184,.12);padding:28px 0;background:rgba(11,17,32,.7)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text)}
.footer-links{display:flex;gap:14px}
.footer-links a{color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--text)}
.footer-copy{color:var(--muted)}

@media (max-width: 980px){
  .hero-inner{grid-template-columns:1fr}
  .features-grid{grid-template-columns:1fr 1fr}
}

@media (max-width: 640px){
  .nav{display:none;position:absolute;top:64px;left:0;right:0;background:rgba(11,17,32,.98);padding:14px;border-bottom:1px solid rgba(148,163,184,.12)}
  .nav.open{display:flex;flex-direction:column;gap:10px}
  .nav-toggle{display:block}
  .features-grid{grid-template-columns:1fr}
  .hero-copy h1{font-size:34px}
}