body{margin:0;font-family:Arial,sans-serif;color:#222}.wrap{max-width:1000px;margin:auto;padding:60px 24px}.hero{background:#111;color:#fff;text-align:center;padding:120px 24px}h1{font-size:70px;margin:0}.tag{font-size:28px}.btn{display:inline-block;margin-top:20px;padding:14px 28px;background:#fff;color:#111;text-decoration:none;border-radius:6px}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}.about{background:#f4f4f4}footer{text-align:center;padding:30px;color:#666}@media(max-width:600px){h1{font-size:48px}.tag{font-size:22px}}