body{margin:0;font-family:system-ui;background:#07142e;color:#fff}header{position:sticky;top:0;background:rgba(7,20,46,.9);display:flex;justify-content:space-between;padding:18px 8%;align-items:center}header img{height:60px}.hero{padding:80px 8%;background:radial-gradient(circle at top,#1e88e5,#07142e 70%)}h1{font-size:54px;margin:0}.cta{display:inline-block;background:#12a8ff;padding:22px 40px;border-radius:16px;color:#fff;text-decoration:none;font-size:32px;font-weight:800;box-shadow:0 10px 30px #0005}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;padding:60px 8%}.card{background:#0f234d;border:1px solid #2d62c9;padding:24px;border-radius:18px}footer{padding:30px;text-align:center;background:#050d20}