body{font-family:Arial;margin:0;padding:0;background:#f5f5f5;color:#333}
header{display:flex;justify-content:space-between;align-items:center;padding:20px;background:#fff;box-shadow:0 2px 5px rgba(0,0,0,0.1)}
nav a{margin-left:20px;text-decoration:none;color:#333;font-weight:bold}
.hero{padding:100px;text-align:center;background:#e8efff}
.logo{height:50px}