body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #f9f9f9; color: #333; }
header { background: #004aad; color: #fff; padding: 15px; display: flex; align-items: center; justify-content: space-between; }
header .logo { height: 50px; }
nav a { color: #fff; margin: 0 10px; text-decoration: none; }
nav a:hover { text-decoration: underline; }
.hero { text-align: center; padding: 40px; background: #eaf2ff; }
.hero img { max-width: 100%; height: auto; margin-top: 20px; }
.content { padding: 30px; max-width: 900px; margin: auto; }
footer { background: #222; color: #fff; text-align: center; padding: 15px; margin-top: 20px; }