.portfolio-section {
    padding: 5rem 2rem;
    background: var(--light-bg);
}

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

.filter-btn {
    padding: 0.8rem 1.5rem;
    border: none;
    background: var(--white);
    color: var(--text-color);
    border-radius: 50px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition-base);
}

.filter-btn.active,
.filter-btn:hover {
    background: var(--gradient-primary);
    color: var(--white);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.portfolio-item {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.portfolio-image {
    position: relative;
    aspect-ratio: 3/4;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s ease;
}

.portfolio-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    padding: 2rem;
    color: var(--white);
    transition: all 0.5s ease;
    transform: translateY(20px);
    opacity: 0.9;
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.portfolio-item:hover .portfolio-overlay {
    background: rgba(0, 0, 0, 0.7); 
    color: var(--white);
    transform: translateY(0);
    opacity: 1;
}

.portfolio-item:hover .portfolio-image img {
    transform: scale(1.1) rotate(2deg);
}

.portfolio-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    transition: transform 0.3s ease;
}

.portfolio-overlay p {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-bottom: 1rem;
    transition: transform 0.3s ease 0.1s;
}

.view-project {
    padding: 0.6rem 1.2rem;
    background: var(--primary-color);
    border: none;
    color: var(--white);
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: translateY(20px);
    opacity: 0;
}

.portfolio-item:hover .view-project {
    transform: translateY(0);
    opacity: 1;
}

.view-project:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .portfolio-filter {
        flex-direction: column;
        align-items: stretch;
    }

    .filter-btn {
        width: 100%;
        text-align: center;
    }
}

/* Стилі для модального вікна галереї */
.modal-gallery {
    display: none !important;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.modal-gallery.active {
    display: flex !important;
}

.modal-gallery__content {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    max-width: 800px;
    width: 90%;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-gallery__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition-base);
}

.modal-gallery__close:hover {
    color: var(--primary-dark);
}

.modal-gallery__title {
    font-size: 2rem;
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.modal-gallery__details {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 2rem;
}

.gallery-main {
    position: relative;
}

.gallery-main__image img {
    width: 100%;
    border-radius: var(--border-radius-md);
}

.gallery-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.8);
    border: none;
    color: var(--primary-color);
    font-size: 2rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: 50%;
    transition: var(--transition-base);
}

.gallery-nav:hover {
    background: var(--primary-color);
    color: var(--white);
}

.gallery-nav.prev {
    left: -2rem;
}

.gallery-nav.next {
    right: -2rem;
}