.product-gallery {
    width: 400px;
    margin: 0px auto;
}

/* عکس اصلی */
.main-image {
    width: 100%;
    height: 350px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    margin-bottom: 15px;
}

    .main-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

/* عکس‌های کوچک */
.thumbnails {
    display: flex;
    gap: 10px;
    flex-direction: row-reverse;
}

    .thumbnails img {
        width: 33.33%;
        height: 90px;
        object-fit: cover;
        border-radius: 8px;
        cursor: pointer;
        transition: 0.3s;
        opacity: 0.6;
    }

        /* حالت فعال */
        .thumbnails img.active {
            border: 2px solid #003560;
            opacity: 1;
        }

        /* هاور */
        .thumbnails img:hover {
            opacity: 1;
            transform: scale(1.05);
        }