.portfolio-section {
    padding-top: 0;
}

/* Keep thumbnails square without relying on shared styles or JavaScript. */
#portfolio-grid .gallery-thumbnail {
    display: block;
    min-height: 0;
    aspect-ratio: 1;
    overflow: hidden;
    background: #f3f3f3;
}

#portfolio-grid .gallery-thumbnail img {
    display: block;
    width: 100%;
    height: auto;
    aspect-ratio: 1;
    object-fit: cover;
}