.portfolio-items {
    display: flex;
    flex-wrap: wrap;
    margin-top: 40px;
    gap: 16px;
}

.portfolio-item {
    width: calc(25% - 12px);
    aspect-ratio: 3 / 4;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 10px;
}

@media (max-width: 991px){
    .portfolio-items {
        margin-top: 24px;
        gap: 4px;
    }
    
    .portfolio-item {
        width: calc(25% - 3px);
    }
}