/* ===== Product Detail Section ===== */
.product-detail {
    padding: 60px 0;
}

.product-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

/* Image Gallery */
.image-gallery {
    position: sticky;
    top: 120px;
    align-self: start;
}

.main-image {
    position: relative;
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 12px;
    overflow: hidden;
    background-color: var(--accent-gray);
    margin-bottom: 20px;
}

.main-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    cursor: zoom-in;
}

.thumbnail-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.thumbnail {
    position: relative;
    padding-top: 100%;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
}

.thumbnail:hover {
    border-color: var(--primary-color);
}

.thumbnail.active {
    border-color: var(--primary-color);
}

.thumbnail img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Product Info */
.product-info {
    padding-top: 20px;
}

.product-category {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 12px;
}

.product-title {
    font-size: 36px;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.product-price {
    font-size: 28px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 24px;
}

.product-description {
    font-size: 16px;
    color: var(--text-medium);
    margin-bottom: 30px;
    line-height: 1.8;
}

.product-features {
    margin-bottom: 30px;
}

.feature-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--text-dark);
}

.feature-item i {
    color: var(--primary-color);
}

/* Buttons */
.button-group {
    display: flex;
    gap: 16px;
    margin-bottom: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 32px;
    font-size: 16px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

/* Share Section */
.share-section {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.share-label {
    font-size: 14px;
    color: var(--text-medium);
}

.share-buttons {
    display: flex;
    gap: 8px;
}

.share-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--accent-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-dark);
    transition: var(--transition);
}

.share-btn:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

@media (max-width: 1024px) {
    .product-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .image-gallery {
        position: static;
    }
}

/* ===== Specifications Section ===== */
.specs-section {
    padding: 60px 0;
    background-color: var(--accent-gray);
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 30px;
    color: var(--text-dark);
    text-align: left; /* Override main.css */
}

.specs-table {
    background-color: var(--secondary-color);
    border-radius: 12px;
    overflow: hidden;
}

.spec-row {
    display: grid;
    grid-template-columns: 1fr 2fr;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
}

.spec-row:last-child {
    border-bottom: none;
}

.spec-row:nth-child(even) {
    background-color: var(--accent-gray);
}

.spec-label {
    font-weight: 600;
    color: var(--text-dark);
}

.spec-value {
    color: var(--text-medium);
}

@media (max-width: 768px) {
    .spec-row {
        grid-template-columns: 1fr;
    }

    .spec-label {
        margin-bottom: 4px;
    }
}

/* ===== Features Section ===== */
.features-section {
    padding: 80px 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature-card {
    text-align: center;
    padding: 30px;
    background-color: var(--secondary-color);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    color: var(--secondary-color);
}

.feature-card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 12px;
}

.feature-card-description {
    font-size: 14px;
    color: var(--text-medium);
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
}

/* ===== Related Products ===== */
.related-section {
    padding: 60px 0;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.related-card {
    background-color: var(--secondary-color);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.related-image {
    position: relative;
    width: 100%;
    padding-top: 100%;
    overflow: hidden;
    background-color: var(--accent-gray);
}

.related-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.related-card:hover .related-image img {
    transform: scale(1.08);
}

.related-info {
    padding: 20px;
}

.related-category {
    font-size: 12px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    margin-bottom: 8px;
}

.related-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--text-dark);
}

.related-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

@media (max-width: 1200px) {
    .related-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 900px) {
    .related-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}


/* ===== Lightbox ===== */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-image {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.2);
    border: none;
    border-radius: 50%;
    color: var(--secondary-color);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.3);
}