body{margin:0;background:#061426;color:#eaf4ff;font:16px/1.65 system-ui,sans-serif}header,main,footer{max-width:1000px;margin:auto;padding:28px}a{color:#58dff5}h1{font-size:clamp(2rem,6vw,4rem);line-height:1.05}.cta{display:inline-block;background:#1aaee8;color:#02111d;padding:13px 20px;border-radius:12px;font-weight:800;text-decoration:none}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.card{border:1px solid #23526d;border-radius:14px;padding:18px;background:#0b2239}