.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
}

.portfolio-item {
    position: relative;
    aspect-ratio: 2/3;
    overflow: hidden;
    border-radius: 0.5rem;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.category-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.category-tab {
    padding: 0.5rem 1rem;
    border-radius: 0.25rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.category-tab.active {
    background-color: var(--primary);
    color: white;
}