.main-ads-section,
.secondary-ads-section,
.footer-ads-section {
    width: 100%;
    height: auto;
    margin: 40px auto;
    text-align: center;
}

.main-ads-section a,
.secondary-ads-section a,
.footer-ads-section a {
    display: inline-block;
    width: 100%;
    text-decoration: none;
}

.main-ads-section img,
.secondary-ads-section img,
.footer-ads-section img {
    max-width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    display: block;
    margin: 0 auto;
}

.main-ads-section a:hover img,
.secondary-ads-section a:hover img,
.footer-ads-section a:hover img {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}