:root{
  --bg:#0b0f13; /* near-black */
  --ink:#e6e9ef; /* off-white */
  --muted:#94a3b8; /* slate */
  --primary:#e11d48; /* red */
  --accent:#2563eb; /* blue */
  --card:#11161c;
  --border:#1f2937;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}
.container{width:min(1100px,90vw);margin-inline:auto}
.site-header{position:sticky;top:0;background:rgba(11,15,19,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--border);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.nav a{color:var(--ink);text-decoration:none;margin-left:18px}
.nav a:hover{color:var(--accent)}
.brand{display:flex;align-items:center;gap:10px;font-weight:800}
.logo{width:28px;height:28px}
.hero{padding:80px 0 30px}
.hero h1{font-size:42px;line-height:1.1;margin:0 0 12px}
.lead{color:var(--muted);max-width:60ch}
.cta-row{margin-top:18px;display:flex;gap:12px}
.btn{display:inline-block;padding:10px 16px;border:1px solid var(--border);border-radius:8px;background:transparent;color:var(--ink);cursor:pointer}
.btn.primary{background:linear-gradient(90deg,var(--primary),var(--accent));border:none}
.btn.ghost{background:transparent;border:1px solid var(--border)}
.badges{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}
.badge{border:1px solid var(--border);padding:6px 10px;border-radius:999px;color:var(--muted);font-size:12px}
.features{padding:40px 0}
.features h2,.hiw h2,.demo h2,.pricing h2,.contact h2{font-size:28px;margin-bottom:12px}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;list-style:none;padding:0}
.feature-grid li{background:var(--card);padding:16px;border:1px solid var(--border);border-radius:12px}
.hiw{padding:30px 0}
.hiw-list{background:var(--card);padding:16px 24px;border:1px solid var(--border);border-radius:12px}
.demo{padding:30px 0}
.demo-form{display:flex;gap:10px}
.demo-form input{flex:1;padding:10px 12px;border-radius:8px;border:1px solid var(--border);background:#0e1318;color:var(--ink)}
.demo-output{margin-top:14px}
.muted{color:var(--muted)}
.pricing{padding:30px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:16px}
.card.featured{outline:2px solid var(--accent)}
.card .price{font-size:28px;margin:6px 0}
.contact{padding:30px 0 60px}
.site-footer{border-top:1px solid var(--border);padding:18px 0;background:#0a0e12}
.footer-grid{display:flex;align-items:center;justify-content:space-between}
.links a{color:var(--muted);margin-left:12px;text-decoration:none}
.links a:hover{color:var(--ink)}
@media (max-width:640px){.nav nav{display:none}}