/* Product Detail Page Styles */

/* Product Hero */
.product-detail-section {
    margin-top: 0;
}

.product-hero {
    min-height: 600px;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    position: relative;
}

.fish-oil-hero {
    background-image: url('images/detail-fish-oil-hero.jpg');
}

.coq10-hero {
    background-image: url('images/detail-coq10-hero.jpg');
}

.milk-hero {
    background-image: url('images/detail-milk-hero.jpg');
}

.product-hero-content {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    padding: 80px 50px;
    color: #fff;
}

.product-hero h1 {
    font-size: 48px;
    margin-bottom: 30px;
    font-weight: normal;
}

.product-hero h1 sup {
    font-size: 0.6em;
}

.product-benefits {
    list-style: none;
    margin-bottom: 30px;
    font-size: 18px;
}

.product-benefits li {
    padding: 8px 0;
    padding-left: 25px;
    position: relative;
}

.product-benefits li:before {
    content: "●";
    position: absolute;
    left: 0;
    font-size: 24px;
}

.product-intro {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 25px;
    max-width: 800px;
}

.product-suitability {
    font-size: 16px;
}

/* Tabs */
.product-tabs {
    background: #fff;
    padding: 60px 0;
}

.tabs-nav {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 50px;
    border-bottom: 2px solid #e0e0e0;
    display: flex;
    gap: 40px;
}

.tab-btn {
    background: none;
    border: none;
    padding: 15px 0;
    font-size: 18px;
    color: #666;
    cursor: pointer;
    position: relative;
    transition: color 0.3s;
}

.tab-btn:hover {
    color: #003087;
}

.tab-btn.active {
    color: #003087;
    font-weight: 600;
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 3px;
    background: #0066cc;
}

.tabs-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 50px 50px;
}

.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

.tab-panel h2 {
    font-size: 32px;
    color: #003087;
    margin-bottom: 25px;
    font-weight: normal;
}

.tab-panel p {
    font-size: 16px;
    line-height: 1.8;
    color: #333;
    margin-bottom: 20px;
}

/* Nutrition Highlights */
.nutrition-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.nutrition-item {
    background: #f5f5f5;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.nutrition-item h3 {
    font-size: 24px;
    color: #0066cc;
    margin-bottom: 15px;
}

.nutrition-item p {
    font-size: 14px;
    color: #666;
}

.nutrition-image-container {
    text-align: center;
    margin: 40px 0;
}

.nutrition-table {
    max-width: 540px;
    height: auto;
    display: inline-block;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    border-radius: 8px;
}

.allergen-info {
    background: #fff3cd;
    padding: 15px 20px;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
    margin-top: 30px;
}

/* Usage Instructions */
.usage-instructions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin: 40px 0;
}

.usage-step {
    background: #f5f5f5;
    padding: 30px;
    border-radius: 8px;
    text-align: center;
}

.prep-image {
    max-width: 150px;
    height: auto;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.usage-step h3 {
    font-size: 20px;
    color: #003087;
    margin-bottom: 15px;
}

.usage-step p {
    font-size: 15px;
    color: #666;
    text-align: center;
}

.warning-box {
    background: #fff3cd;
    padding: 25px;
    border-left: 4px solid #ff9800;
    border-radius: 4px;
    margin-top: 30px;
}

.warning-box h4 {
    font-size: 18px;
    color: #ff9800;
    margin-bottom: 10px;
}

.warning-box p {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* Storage List */
.storage-list {
    list-style: none;
    margin: 30px 0;
}

.storage-list li {
    padding: 12px 0;
    padding-left: 30px;
    position: relative;
    font-size: 16px;
    color: #333;
    border-bottom: 1px solid #e0e0e0;
}

.storage-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #0066cc;
    font-size: 20px;
    font-weight: bold;
}

.storage-list li:last-child {
    border-bottom: none;
}

/* Responsive */
@media (max-width: 968px) {
    .product-hero {
        min-height: 400px;
    }

    .product-hero-content {
        padding: 60px 20px;
    }

    .product-hero h1 {
        font-size: 36px;
    }

    .tabs-nav {
        padding: 0 20px;
        gap: 20px;
    }

    .tab-btn {
        font-size: 16px;
    }

    .tabs-content {
        padding: 40px 20px;
    }

    .nutrition-highlights,
    .usage-instructions {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .product-hero h1 {
        font-size: 28px;
    }

    .product-benefits {
        font-size: 16px;
    }

    .tabs-nav {
        flex-direction: column;
        gap: 0;
    }

    .tab-btn {
        border-bottom: 1px solid #e0e0e0;
        padding: 15px 0;
    }
}