/* Product Page Styles */
/* =================== */

.breadcrumb {
    background: #f8f9fa;
    padding: 1rem 0;
    margin-top: 70px;
}

.breadcrumb-nav {
    font-size: 0.9rem;
    color: #666;
}

.breadcrumb-nav a {
    color: #007bff;
    text-decoration: none;
}

.breadcrumb-nav a:hover {
    text-decoration: underline;
}

.separator {
    margin: 0 0.5rem;
    color: #ccc;
}

.current {
    color: #333;
    font-weight: 500;
}

.product-hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.product-hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-info h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.product-subtitle {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
}

.product-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.highlight-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.highlight-item strong {
    color: #333;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.25rem;
}

.highlight-item p {
    color: #666;
    font-size: 0.8rem;
    margin: 0;
}

.product-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.product-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.product-features {
    padding: 80px 0;
    background: #fff;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

/* 4-item grid layout for better visual balance */
.features-grid-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.applications-grid-4 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    text-align: center;
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #e3f2fd;
    border-radius: 50%;
}

.feature-icon img {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    color: #333;
    margin-bottom: 1rem;
}

.feature-card ul {
    list-style: none;
    text-align: left;
}

.feature-card li {
    padding: 0.5rem 0;
    color: #666;
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

.feature-card li:before {
    content: "✓";
    color: #28a745;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.product-series {
    padding: 80px 0;
    background: #f8f9fa;
}

.series-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid #007bff;
    background: white;
    color: #007bff;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
}

.tab-btn.active,
.tab-btn:hover {
    background: #007bff;
    color: white;
}

.tab-content {
    display: none;
}

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

.series-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.series-info h3 {
    color: #333;
    margin-bottom: 1rem;
}

.series-info p {
    color: #666;
    margin-bottom: 1.5rem;
}

.series-features {
    list-style: none;
    margin-bottom: 1.5rem;
}

.series-features li {
    padding: 0.5rem 0;
    color: #666;
    position: relative;
    padding-left: 1.5rem;
}

.series-features li:before {
    content: "•";
    color: #007bff;
    font-weight: bold;
    position: absolute;
    left: 0;
}

.series-sizes {
    background: #e3f2fd;
    padding: 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
}

.series-image img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.applications {
    padding: 80px 0;
    background: #fff;
}

.applications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.app-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.app-card:hover {
    transform: translateY(-5px);
}

.app-image {
    height: 200px;
    overflow: hidden;
}

.app-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.app-content {
    padding: 1.5rem;
}

.app-content h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.app-content p {
    color: #666;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.app-content ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.app-content li {
    padding: 0.25rem 0;
    color: #666;
    font-size: 0.9rem;
    position: relative;
    padding-left: 1.5rem;
}

.app-content li:before {
    content: "→";
    color: #007bff;
    position: absolute;
    left: 0;
}

.app-link {
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
}

.app-link:hover {
    color: #0056b3;
}

.specifications {
    padding: 80px 0;
    background: #f8f9fa;
}

.spec-table-container {
    overflow-x: auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.spec-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.spec-table th,
.spec-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.spec-table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #333;
}

.spec-table td {
    color: #666;
}

.spec-table tr:hover {
    background: #f8f9fa;
}

.product-cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
    text-align: center;
}

.cta-content h2 {
    color: white;
    margin-bottom: 1rem;
}

.cta-content p {
    color: rgba(255,255,255,0.9);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.cta-info {
    display: flex;
    gap: 2rem;
    justify-content: center;
    flex-wrap: wrap;
}

.info-item {
    color: rgba(255,255,255,0.9);
    font-size: 0.9rem;
}

.info-item strong {
    color: white;
}

.related-products {
    padding: 80px 0;
    background: #fff;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.related-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    overflow: hidden;
    text-align: center;
    transition: transform 0.3s ease;
}

.related-card:hover {
    transform: translateY(-5px);
}

.related-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
}

.related-card h3 {
    color: #333;
    margin: 1rem 0 0.5rem;
    padding: 0 1rem;
}

.related-card p {
    color: #666;
    font-size: 0.9rem;
    padding: 0 1rem;
    margin-bottom: 1rem;
}

.related-card a {
    display: inline-block;
    color: #007bff;
    text-decoration: none;
    font-weight: 500;
    margin-bottom: 1rem;
}

.related-card a:hover {
    color: #0056b3;
}

/* Responsive Design */
@media (max-width: 768px) {
    .product-hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .product-info h1 {
        font-size: 2rem;
    }
    
    .product-highlights {
        grid-template-columns: 1fr;
    }
    
    .features-grid,
    .features-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .applications-grid,
    .applications-grid-4 {
        grid-template-columns: 1fr;
    }
    
    .series-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .series-tabs {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-info {
        flex-direction: column;
        gap: 1rem;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
    
    .spec-table {
        font-size: 0.8rem;
    }
    
    .spec-table th,
    .spec-table td {
        padding: 0.5rem;
    }
}

@media (max-width: 480px) {
    .features-grid-4,
    .applications-grid-4 {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}