body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #fff; color: #222; }
header { background: #002244; color: #fff; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
nav a { color: #fff; margin-left: 1rem; text-decoration: none; }
.hero { padding: 4rem 2rem; background-size: cover; color: #fff; }
.cta a { background: #004080; color: white; padding: 0.5rem 1rem; margin-right: 1rem; border-radius: 4px; text-decoration: none; }
.intro, main { padding: 2rem; }
.cards { display: flex; flex-wrap: wrap; gap: 1rem; padding: 2rem; justify-content: center; }
.card { width: 300px; box-shadow: 0 0 10px rgba(0,0,0,0.1); padding: 1rem; background: #fff; border-radius: 6px; }
.card img { width: 100%; border-radius: 6px; }