.catalogku-breadcrumb {
    font-size: 13px;
    color: #888;
    margin-bottom: 24px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.catalogku-breadcrumb a {
    color: #555;
    text-decoration: none;
}

.catalogku-breadcrumb a:hover {
    color: #111;
}

.catalogku-breadcrumb .current {
    color: #111;
    font-weight: 600;
}

.catalogku-single-wrap {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 20px;
}

.catalogku-product-single {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.catalogku-product-gallery {
    flex: 0 0 66.666%;
    max-width: 66.666%;
}

.catalogku-product-info {
    flex: 0 0 33.333%;
    max-width: 33.333%;
}

.catalogku-main-image {
    width: 100%;
    margin-bottom: 16px;
    border-radius: 8px;
    overflow: hidden;
}

.catalogku-main-image img {
    width: 100%;
    height: auto;
    display: block;
}

.catalogku-thumbnails {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.catalogku-thumb {
    width: 72px;
    height: 96px;
    border: 2px solid transparent;
    border-radius: 6px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.catalogku-thumb:hover,
.catalogku-thumb.active {
    border-color: #333;
}

.catalogku-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.catalogku-product-title {
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 12px;
    line-height: 1.3;
}

.catalogku-product-price {
    font-size: 24px;
    font-weight: 600;
    color: var(--catalogku-price-color, #e74c3c);
    margin-bottom: 24px;
}

.catalogku-product-description {
    margin-bottom: 24px;
    line-height: 1.7;
    color: #555;
}

.catalogku-product-specs {
    margin-bottom: 28px;
}

.catalogku-spec-item {
    display: flex;
    padding: 8px 0;
    border-bottom: 1px solid #f0f0f0;
}

.catalogku-spec-label {
    flex: 0 0 120px;
    font-weight: 600;
    color: #333;
}

.catalogku-spec-value {
    flex: 1;
    color: #666;
}

.catalogku-whatsapp-btn {
    display: block;
    background: var(--catalogku-btn-color, #25d366);
    color: #fff;
    padding: 14px 36px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

.catalogku-whatsapp-btn:hover {
    background: var(--catalogku-btn-color, #1da953);
    color: #fff;
    filter: brightness(0.9);
}

@media (max-width: 768px) {
    .catalogku-product-single {
        flex-direction: column;
        gap: 12px;
    }

    .catalogku-product-gallery,
    .catalogku-product-info {
        flex: 0 0 100%;
        max-width: 100%;
    }

    .catalogku-product-info {
        width: 100%;
    }
}