*{box-sizing:border-box}body{font-family:Arial;background:#f5f7fb;margin:0;color:#222}.hero{padding:100px;text-align:center;background:linear-gradient(135deg,#111827,#2563eb);color:white}.btn,button{background:#2563eb;color:white;padding:12px 25px;border-radius:12px;border:0;text-decoration:none;margin:5px}.outline{background:white;color:#2563eb}.card{background:white;width:90%;max-width:600px;margin:40px auto;padding:35px;border-radius:20px;box-shadow:0 15px 40px #ddd}.card input,.card textarea{width:100%;padding:14px;margin:8px 0;border-radius:10px;border:1px solid #ddd}