@media (max-width: 768px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }

    .row {
        flex-direction: column;
    }

    .section {
        padding: 48px 0;
    }

    .site-header .container {
        flex-direction: column;
        gap: 12px;
    }
}