* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: Arial, sans-serif; line-height: 1.6; color: #333; }
header nav ul { display: flex; justify-content: space-around; background-color: #1a3a2a; padding: 1rem 0; list-style: none; }
nav a { text-decoration: none; color: white; font-weight: bold; }
.hero { text-align: center; padding: 5rem 1rem; background: linear-gradient(135deg, #1a3a2a, #2d6a4f); color: white; }
.hero h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; opacity: 0.9; }
.features { display: flex; justify-content: space-around; margin: 3rem 2rem; gap: 1.5rem; }
.card { width: 30%; padding: 2rem; border: 1px solid #ddd; border-radius: 8px; box-shadow: 0 2px 12px rgba(0,0,0,0.08); }
.card h2 { margin-bottom: 0.75rem; color: #1a3a2a; }
footer { text-align: center; padding: 2rem; background-color: #1a3a2a; color: white; margin-top: 3rem; }
@media (max-width: 768px) { .features { flex-direction: column; } .card { width: 100%; } header nav ul { flex-direction: column; text-align: center; } }