.gallery {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    /*max-width: 800px;*/
    width: 100%;
    padding: 5%;
}
.gallery div {
    width: 100%;
    padding-top: 100%; /* Mantiene la relación 1:1 */
    position: relative;
    overflow: hidden;
    border-radius: 5px;
}
.gallery img {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1);
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.3s ease;
}
.gallery img:hover {
    transform: translate(-50%, -50%) scale(1.05);
}
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease;
}
.lightbox img {
    max-width: 90%;
    max-height: 90%;
}
.lightbox.show {
    opacity: 1;
    visibility: visible;
    z-index: 9999;
}
.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    padding: 17px;
    cursor: pointer;
    font-size: 38px;
    color: #187de5;
    user-select: none;
}
.prev { left: 20px; }
.next { right: 20px; }
@media (max-width: 600px) {
    .gallery {
        grid-template-columns: repeat(2, 1fr);
    }
}