.product-header {
    border-bottom: 1px solid #ddd;
    padding-bottom: 20px;
    margin-bottom: 30px;
}

.product-header h2 {
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 10px;
}

.product-code {
    color: #666;
    font-size: 14px;
}

/* Ürün Görsel Alanı */
.product-main {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.product-images {
    flex: 0 0 500px;
}

.main-image {
    width: 100%;
	aspect-ratio: 9 / 6;
    border: 1px solid #EFEFEF;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    padding: 10px;
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.15s ease;
    opacity: 1;
    padding: 0;
}

.main-image img.fade-out {
    opacity: 0;
}

/* Küçük Resimler (Thumbnails) */
.thumbnail-images {
    display: flex;
    gap: 10px;
}

.thumbnail {
    width: calc(25% - 7.5px);
    /* 4 items with 3 gaps of 10px (30px/4 = 7.5px) */
    flex: 0 0 auto;
    /* Don't grow or shrink */
    height: 120px;
    border: 1px solid #ddd;
    cursor: pointer;
    object-fit: cover;
    background-color: #fff;
    transition: all 0.3s ease;
    opacity: 0.4;
    padding: 5px;
}

.thumbnail.active {
    border-color: #333;
    border-width: 1px;
    opacity: 1;
}

.thumbnail:hover {
    border-color: #333;
    opacity: 1;
}

/* Ürün Bilgi Alanı */
.product-info {
    flex: 1;
}

.product-info h2 {
    font-size: 22px;
    font-weight: normal;
    margin-bottom: 15px;
    border-bottom: 1px solid #ddd;
    padding-bottom: 10px;
}

.product-info h3 {
    font-size: 18px;
    font-weight: normal;
    margin-top: 25px;
    margin-bottom: 10px;
}

.product-info p {
    margin-bottom: 10px;
}

.product-info ul {
    margin-left: 20px;
    margin-bottom: 20px;
}

.product-info ul li {
    font-size: 0.9rem;
    display: block;
    font-weight: 600;
    line-height: 24px;
    position: relative;
}
.product-info ul li:before {
	position: absolute;
	content: "";
	width: 4px;
	height: 4px;
	background: var(--theme-colour);
	left: -10px;
	top: 10px;
}

/* Fiyat ve İletişim Alanı */
.price-section {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #ddd;
}

.price-label {
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 10px;
}

.contact-button {
    display: inline-block;
    padding: 10px 20px;
    margin-right: 10px;
    margin-bottom: 10px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    border: 1px solid #333;
}

.contact-button:hover {
    background-color: #333;
    color: #fff;
}

/* Tab Menü - Minimal & Cool (İçeriksiz) */
.tab-container {
    margin-top: 60px;
    margin-bottom: 60px;
}

.tab-menu {
    display: flex;
    justify-content: center;
    border-bottom: 1px solid #f0f0f0;
    gap: 60px;
    margin-bottom: 30px;
}

.tab-button {
    background: none;
    border: none;
    padding-bottom: 15px;
    color: #555;
    font-size: 1rem;
    font-weight: 800;

    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.tab-button:hover,
.tab-button.active {
    color: #000;
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 1px;
    /* Ultra thin line */
    background-color: var(--theme-colour);
    transition: width 0.3s ease;
}

.tab-button.active::after {
    width: 100%;
}

/* Boş ve Sade Tab Content - Özel İsimlendirme */
.custom-tab-content {
    display: none;
    min-height: 50px;
    /* Minimal height just in case */
}

.custom-tab-content.active {
    display: block;
}

.main-image a {
    display: block;
    width: 100%;
    height: 100%;
}

/* Lightbox kaldırıldı */

/* Responsive */
@media (max-width: 768px) {
    .product-main {
        flex-direction: column;
    }

    .product-images {
        flex: none;
        width: 100%;
    }

    .main-image {
        height: 400px;
    }

    .tab-menu {
        gap: 20px;
        justify-content: space-between;
    }

    .tab-button {
        font-size: 13px;
    }
}