.portfolio-gallery {
    display: grid;
    column-gap: 1rem;
    row-gap: 1.5rem;
    width: 100%;
}

.gallery-item {
    cursor: pointer;
    transition: transform 0.3s ease;
    overflow: hidden;
}

.gallery-item:hover {
    transform: translateY(-2px);
}

.gallery-item-inner {
    position: relative;
    width: 100%;
    height: 100%;
    aspect-ratio: 398 / 299;
}

.gallery-thumbnail {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Responsive design */
@media (max-width: 768px) {
    .portfolio-gallery {
        grid-template-columns: repeat(2, 1fr)!important;
    }
}

@media (max-width: 480px) {
    .portfolio-gallery {
        grid-template-columns: 1fr!important;
    }
}