.dark-theme {
    background-color: #1a1a1a;
    color: #fff;
}

.portfolio-container {
    padding: 20px 0;
}

.portfolio-title {
    color: white;
    text-align: end;
    background: linear-gradient(to left, #EF9364 0%, #0000 100%);
    margin-bottom: 40px;
    background-color: linear-gradient(to bottom, #33ccff 0%, #ff99cc 100%);
    font-size: 2.5rem;
    padding: 14px;
}

.filter-container {
    display: flex;
    /* justify-content: center; */
    border: 1px solid orange;
    gap: 15px;
    margin-bottom: 30px;
    background: rgba(255, 255, 255, 0.05);
    padding: 15px;
    border-radius: 30px;
}

.filter-btn {
    background: transparent;
    border: none;
    color: #fff;
    padding: 8px 20px;
    border-radius: 20px;
    transition: all 0.3s ease;
}

.filter-btn.active {
    background: #ff6b00;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.grid-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    aspect-ratio: 1;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.5s ease forwards;
}

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

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 107, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: all 0.3s ease;
}

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

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

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

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

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    .filter-container {
        flex-wrap: wrap;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}