body{margin:0;font-family:Arial,sans-serif;background:#fffbf3;color:#1e1733;line-height:1.7}header{padding:42px 18px;text-align:center;background:linear-gradient(135deg,#7c3aed,#06b6d4);color:white}nav a{color:white;margin:0 8px;font-weight:bold}main{max-width:980px;margin:auto;padding:24px 18px}.card{background:white;border-radius:24px;padding:22px;margin-bottom:16px;box-shadow:0 12px 34px rgba(0,0,0,.06)}h1{font-size:56px;margin:0}h2{color:#7c3aed}footer{text-align:center;padding:28px;color:#6b6477}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.feature{background:white;border-radius:22px;padding:20px}@media(max-width:760px){.grid{grid-template-columns:1fr}h1{font-size:42px}}