/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem 0;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .learning-container {
        grid-template-columns: 1fr;
    }

    .section {
        padding: 2rem 1rem;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .places-grid, .culture-grid, .safety-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}