@media (max-width: 768px) {
    body {
        padding-top: 60px;
    }

    .hero-section {
        padding: 40px 0;
        text-align: center;
    }

    .hero-section img {
        margin-top: 24px;
    }

    #ads-grid {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 769px) {
    #ads-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}