.gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}
.gallery-item img {
    width: 100%
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}
.gallery-item img:hover { transform: scale(1.05);}