body{margin:0;font-family:Inter,system-ui,sans-serif;color:#0f172a;background:#f8fafc}header,main,footer{max-width:960px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center}header img{height:48px}.hero{padding:72px 24px;text-align:center}.hero h1{font-size:clamp(2.2rem,6vw,4.5rem);line-height:1;margin:.4em 0}.hero p{font-size:1.2rem;color:#475569;max-width:760px;margin:0 auto 28px}.cta{display:inline-block;background:#4f46e5;color:white;padding:15px 24px;border-radius:12px;text-decoration:none;font-weight:800}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.card{background:white;border:1px solid #e2e8f0;border-radius:18px;padding:24px}h2{font-size:2rem}footer{text-align:center;color:#64748b}