body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #f9f9f9; color: #333; }
header { background: #4CAF50; padding: 1em; }
header nav { display: flex; justify-content: space-between; align-items: center; }
header nav .logo a { color: white; font-weight: bold; text-decoration: none; }
header nav ul { list-style: none; display: flex; gap: 1em; margin: 0; padding: 0; }
header nav ul li a { color: white; text-decoration: none; }
.hero { background: #e0f7fa; padding: 4em; text-align: center; }
section { padding: 2em; }
.card { background: white; padding: 1em; margin: 1em 0; border-radius: 8px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
footer { background: #333; color: white; text-align: center; padding: 1em; margin-top: 2em; }