body{font-family:Arial,sans-serif;margin:0}nav{background:#0d3b66;padding:12px}nav a{color:white;margin-right:15px;text-decoration:none}.hero{display:flex;gap:20px;padding:40px;background:#eef}.hero img{max-width:320px;border-radius:10px}section,h1,form{padding:20px}