.portfolio-gallery {
    display: grid;
    gap: 20px;
    width: 100%;
    grid-auto-rows: minmax(250px, auto);
    grid-auto-flow: dense;
}

/* Dynamic column classes */
.portfolio-gallery[data-columns="1"] {
    grid-template-columns: repeat(1, 1fr);
}

.portfolio-gallery[data-columns="2"] {
    grid-template-columns: repeat(2, 1fr);
}

.portfolio-gallery[data-columns="3"] {
    grid-template-columns: repeat(3, 1fr);
}

.portfolio-gallery[data-columns="4"] {
    grid-template-columns: repeat(4, 1fr);
}

.portfolio-gallery[data-columns="5"] {
    grid-template-columns: repeat(5, 1fr);
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    background: #f3f4f6;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    min-height: 250px;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.portfolio-item-link {
    display: block;
    position: relative;
    width: 100%;
    height: 100%;
    text-decoration: none;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-item:hover .portfolio-item-overlay {
    opacity: 1;
}

.portfolio-item-content {
    text-align: center;
    padding: 20px;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-item-content {
    transform: translateY(0);
}

.portfolio-item-title {
    color: #ffffff;
    font-size: 24px;
    font-weight: 700;
    margin: 0 0 10px;
}

.portfolio-item-description {
    color: #e5e7eb;
    font-size: 14px;
    margin: 0;
    line-height: 1.6;
}

/* Item Sizes - Using grid-column and grid-row span */
.portfolio-item.size-normal {
    grid-column: span 1;
    grid-row: span 1;
}

.portfolio-item.size-wide {
    grid-column: span 2;
    grid-row: span 1;
}

.portfolio-item.size-tall {
    grid-column: span 1;
    grid-row: span 2;
}

.portfolio-item.size-large {
    grid-column: span 2;
    grid-row: span 2;
}

/* Responsive - Tablet */
@media (max-width: 1024px) {
    .portfolio-gallery[data-columns-tablet="1"] {
        grid-template-columns: repeat(1, 1fr);
    }

    .portfolio-gallery[data-columns-tablet="2"] {
        grid-template-columns: repeat(2, 1fr);
    }

    .portfolio-gallery[data-columns-tablet="3"] {
        grid-template-columns: repeat(3, 1fr);
    }

    .portfolio-gallery {
        grid-auto-rows: minmax(200px, auto);
    }

    /* Adjust spans for tablet */
    .portfolio-item.size-wide {
        grid-column: span 2;
    }

    .portfolio-item.size-large {
        grid-column: span 2;
        grid-row: span 2;
    }
}

/* Responsive - Mobile */
@media (max-width: 767px) {
    .portfolio-gallery {
        grid-template-columns: repeat(1, 1fr) !important;
        grid-auto-rows: minmax(200px, auto);
    }

    .portfolio-item.size-normal,
    .portfolio-item.size-wide,
    .portfolio-item.size-tall,
    .portfolio-item.size-large {
        grid-column: span 1 !important;
        grid-row: span 1 !important;
        min-height: 250px;
    }

    .portfolio-item-title {
        font-size: 20px;
    }

    .portfolio-item-description {
        font-size: 13px;
    }
}