:root{
  --bg:#0b1220;
  --card:#0f1a2f;
  --text:#e8eefc;
  --muted:#b8c4e6;
  --brand:#4f7cff;
  --border: rgba(255,255,255,.12);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 600px at 10% 0%, rgba(79,124,255,.25), transparent 55%),
              radial-gradient(1000px 500px at 90% 10%, rgba(79,124,255,.18), transparent 50%),
              var(--bg);
}

a{color:inherit; text-decoration:none}
.container{max-width:1100px; margin:0 auto; padding:0 18px}

.topbar{
  position: sticky; top: 0;
  background: rgba(11,18,32,.75);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  z-index: 50;
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{
  display:flex; gap:10px; align-items:center; font-weight:700;
  letter-spacing:.3px;
}
.logo{
  width:34px; height:34px; border-radius:10px;
  background: linear-gradient(135deg, var(--brand), #9ab2ff);
  display:inline-block;
}
.menu{display:flex; gap:18px; align-items:center; flex-wrap:wrap}
.menu a{opacity:.9}
.menu a:hover{opacity:1}
.btn{
  display:inline-block; padding:10px 14px; border-radius:12px;
  background: var(--brand); color:#081024; font-weight:700;
}
.btn.outline{
  background: transparent; border:1px solid var(--border); color:var(--text);
}

.hero{ padding:46px 0 22px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .75fr;
  gap:18px;
}
.card{
  background: rgba(15,26,47,.72);
  border:1px solid var(--border);
  border-radius:18px;
  padding:18px;
}
h1{margin:0 0 10px; font-size:42px; line-height:1.1}
.sub{color:var(--muted); margin:0 0 16px; font-size:16px}
.badges{display:flex; gap:10px; flex-wrap:wrap; margin-top:10px}
.badge{
  font-size:13px; color:var(--muted);
  padding:8px 10px; border:1px solid var(--border);
  border-radius:999px;
}

.section{padding:18px 0 36px}
.section h2{margin:0 0 12px; font-size:22px}
.grid3{display:grid; grid-template-columns: repeat(3, 1fr); gap:14px}
.item h3{margin:0 0 8px; font-size:16px}
.item p{margin:0; color:var(--muted); font-size:14px; line-height:1.55}

.split{ display:grid; grid-template-columns: 1fr 1fr; gap:14px; }
.small{color:var(--muted); font-size:14px; line-height:1.65}

.footer{
  border-top:1px solid var(--border);
  padding:18px 0 32px;
  color:var(--muted);
  font-size:13px;
}

@media (max-width: 900px){
  .hero-grid{grid-template-columns:1fr}
  .grid3{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  h1{font-size:34px}
}