:root{
  --bg:#0b1220;
  --panel:#0f1a2e;
  --panel2:#0c1628;
  --text:#e8eefc;
  --muted:#a8b3cf;
  --line:rgba(255,255,255,.08);
  --accent:#3b82f6;
  --accent2:#22c55e;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;}
body{background: radial-gradient(1200px 700px at 20% 10%, #1a2b55 0%, transparent 60%), var(--bg); color:var(--text);}

a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:0 18px}

.header{position:sticky;top:0;background:rgba(11,18,32,.75);backdrop-filter: blur(10px);border-bottom:1px solid var(--line);z-index:10}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.brand{display:flex;gap:10px;align-items:center;font-weight:700}
.logo{
  width:36px;height:36px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(135deg, var(--accent), #60a5fa);
  box-shadow: var(--shadow);
  font-size:12px;
}
.links{display:flex;gap:16px}
.links a{opacity:.9;text-decoration:none}
.links a:hover{opacity:1;text-decoration:underline}

.hero{padding:56px 0 20px}
.hero-grid{display:grid;grid-template-columns: 1.15fr .85fr;gap:18px;align-items:stretch}
@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .links{display:none}
}

.badge{
  display:inline-block;
  padding:8px 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:rgba(255,255,255,.04);
  color:var(--muted);
  font-size:13px;
}

h1{font-size:44px;line-height:1.05;margin:14px 0 10px}
.sub{font-size:16px;color:var(--muted);max-width:560px;line-height:1.6}

.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0 10px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:12px 16px;
  border-radius:12px;
  border:1px solid var(--line);
  text-decoration:none;
  font-weight:600;
}
.btn.primary{
  background:linear-gradient(135deg, var(--accent), #60a5fa);
  border-color: transparent;
  box-shadow: var(--shadow);
}
.btn.ghost{background:rgba(255,255,255,.03)}
.btn:hover{transform: translateY(-1px)}

.fine{font-size:12px;color:rgba(168,179,207,.85);line-height:1.5}

.section{padding:44px 0}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.03), transparent);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
h2{font-size:26px;margin:0 0 10px}
.muted{color:var(--muted);line-height:1.6;margin:0 0 14px}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media (max-width: 900px){
  .grid3{grid-template-columns:1fr}
  .grid2{grid-template-columns:1fr}
}

.card{
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: 0 10px 30px rgba(0,0,0,.2);
}
.card h3{margin:0 0 8px}
.card p{margin:0;color:var(--muted);line-height:1.6}

.preview{padding:0;overflow:hidden}
.preview-top{display:flex;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.03)}
.dot{width:10px;height:10px;border-radius:999px}
.dot.red{background:#ef4444}
.dot.yellow{background:#f59e0b}
.dot.green{background:#22c55e}
.preview-body{padding:16px}

.check{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}
.bullets{margin:0;padding-left:18px;color:var(--muted);line-height:1.8}

.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}

.callout{
  background:linear-gradient(135deg, rgba(59,130,246,.18), rgba(34,197,94,.12));
  border-color: rgba(255,255,255,.12);
}

.footer{padding:22px 0;border-top:1px solid var(--line);background:rgba(0,0,0,.15)}
.footer-row{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}