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

.product-header h1 {
    font-size: 28px;
    font-weight: normal;
    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%;
    height: 520px;
    background-color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: crosshair;
    overflow: hidden;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    border-radius: 8px;
    border: 1px solid #f0f0f0;
    transition: all 0.4s ease;
    margin-bottom: 25px;
}

.main-image:hover {
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.08);
}

.main-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 1;
    padding: 30px;
}

.main-image:hover img {
    transform: scale(1.05);
}

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

/* Küçük Resimler (Thumbnails) */
.thumbnail-images {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.thumbnail {
    width: calc(20% - 8px);
    height: 90px;
    border: 1px solid #ddd;
    cursor: pointer;
    object-fit: contain;
    background-color: #fff;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.8;
    padding: 10px;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.02);
}

.thumbnail.active {
    border-color: var(--ztc-bg-bg-3);
    border-width: 1.5px;
    opacity: 1;
    box-shadow: 0 5px 15px rgba(242, 140, 0, 0.15);
    transform: translateY(-3px);
}

.thumbnail:hover {
    border-color: var(--ztc-bg-bg-3);
    opacity: 1;
    transform: translateY(-3px);
}

/* Ürün Bilgi Alanı */
.detaylar {
    padding-left: 40px;
}

.urunbaslik {
    margin-bottom: 35px;
    border-bottom: 1px solid #f5f5f5;
    padding-bottom: 25px;
}

.urunbaslik h5 {
    color: var(--ztc-bg-bg-3);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0px;
    margin-bottom: 8px;
}

.urunbaslik h2 {
    font-size: 38px;
    font-weight: 800;
    line-height: 1.2;
    color: #0F0D0D;
}

.urunaciklama {
    font-size: 15px;
    line-height: 1.8;
    color: #333;
}

.urunaciklama p {
    margin-bottom: 20px;
}

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

.product-info ul li {
    margin-bottom: 8px;
}

/* 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: 40px;
    margin-bottom: 30px;
}

.tab-button {
    background: none;
    border: none;
    padding-bottom: 15px;
    color: #444;
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0px;
    cursor: pointer;
    position: relative;
    transition: all 0.3s ease;
}

.tab-button:hover,
.tab-button.active {
    color: var(--ztc-bg-bg-3);
}

.tab-button::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--ztc-bg-bg-3);
    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;
    }
}