:root{
 --bg:#071321;
 --bg2:#0b1c33;
 --panel:rgba(255,255,255,.05);
 --border:rgba(255,255,255,.08);
 --text:#f4f8ff;
 --muted:#a7b6d3;
 --blue:#71b0ff;
 --blue2:#5ad3ff;
 --radius:18px;
 --shadow:0 18px 50px rgba(0,0,0,.3);
 --max:1200px;
}
*{box-sizing:border-box}
body{
 margin:0;
 font-family:Inter,system-ui,Arial,sans-serif;
 color:var(--text);
 background:linear-gradient(180deg,var(--bg),var(--bg2));
}
.container{max-width:var(--max);margin:auto;padding:0 24px}
header{
 position:sticky;top:0;
 background:rgba(7,19,33,.85);
 backdrop-filter:blur(12px);
 border-bottom:1px solid var(--border);
}
.nav{display:flex;justify-content:space-between;align-items:center;height:82px}
.logo{font-weight:800;font-size:1.6rem}
.tag{font-size:.7rem;color:#8fb2ff}
.nav a{color:#dce7fb;text-decoration:none;margin-left:16px;font-weight:600}
.cta{padding:10px 16px;border-radius:12px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#071321;font-weight:700}
.hero{padding:110px 0}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px}
h1{font-family:Montserrat,Inter,sans-serif;font-size:3.8rem;line-height:1.05;margin:0 0 16px}
h2{font-family:Montserrat,Inter,sans-serif}
.lead{font-size:1.15rem;color:#dce7fb}
.btn{display:inline-block;margin-top:20px;margin-right:10px;padding:14px 22px;border-radius:14px;text-decoration:none;font-weight:700}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--blue2));color:#071321}
.btn-outline{border:1px solid var(--border);color:#fff}
.panel{padding:26px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border);box-shadow:var(--shadow)}
.section{padding:80px 0}
.grid{display:grid;gap:24px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.card{padding:22px;border-radius:16px;background:var(--panel);border:1px solid var(--border)}
footer{padding:60px 0;border-top:1px solid var(--border);color:var(--muted)}
@media(max-width:900px){
.hero-grid,.grid-4,.grid-3{grid-template-columns:1fr}
}