/* ==========================================================================
   Product Pages Styles - ENSOL Website
   ========================================================================== */

/* Page Header */
.page-header {
    padding: 160px 0 80px;
    background: linear-gradient(135deg, 
        rgba(var(--primary-rgb), 0.15) 0%, 
        rgba(var(--accent-rgb), 0.1) 50%,
        rgba(10, 10, 10, 1) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(var(--primary-rgb), 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(var(--accent-rgb), 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    z-index: 1;
}

.breadcrumb {
    margin-bottom: var(--space-lg);
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb span {
    margin: 0 8px;
}

.page-header h1 {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 600px;
}

/* Product Category Section */
.product-category {
    padding: var(--space-3xl) 0;
}

.product-category.alt-bg {
    background: rgba(var(--primary-rgb), 0.03);
}

.category-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.category-header h2 {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin: var(--space-md) 0;
    color: var(--text-primary);
}

.category-header p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* Product Detail Block */
.product-detail-block {
    margin-bottom: var(--space-2xl);
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.product-detail-block:hover {
    border-color: rgba(var(--primary-rgb), 0.2);
    background: rgba(255, 255, 255, 0.03);
}

.product-detail-content {
    max-width: 1000px;
    margin: 0 auto;
}

.product-icon-large {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--accent-rgb), 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-lg);
}

.product-icon-large i {
    font-size: 2rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-detail-content h3 {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.product-intro {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--space-xl);
}

/* Product Features Grid */
.product-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.feature-item {
    display: flex;
    gap: var(--space-md);
    padding: var(--space-md);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    background: rgba(var(--primary-rgb), 0.05);
    border-color: rgba(var(--primary-rgb), 0.15);
}

.feature-item > i {
    font-size: 1.25rem;
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Specifications Table */
.specs-table {
    margin-top: var(--space-xl);
}

.specs-table h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(255, 255, 255, 0.02);
    border-radius: 12px;
    overflow: hidden;
}

.specs-table tr {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.95rem;
}

.specs-table td:first-child {
    color: var(--text-secondary);
    width: 40%;
    font-weight: 500;
}

.specs-table td:last-child {
    color: var(--text-primary);
}

.specs-table tr:hover {
    background: rgba(var(--primary-rgb), 0.05);
}

/* Products Overview Grid (for cards) */
.products-overview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-xl);
}

.product-card {
    padding: var(--space-xl);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.product-card:hover {
    transform: translateY(-4px);
    border-color: rgba(var(--primary-rgb), 0.3);
}

.product-card-icon {
    width: 60px;
    height: 60px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--accent-rgb), 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.product-card-icon i {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.product-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.product-card > p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.product-highlights {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-highlights li {
    font-size: 0.9rem;
    color: var(--text-secondary);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
}

.product-highlights li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--primary);
}

/* EPC Process Steps */
.epc-process {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin: var(--space-xl) 0;
}

.epc-step {
    display: flex;
    gap: var(--space-lg);
    padding: var(--space-lg);
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.epc-step:hover {
    background: rgba(var(--primary-rgb), 0.05);
    border-color: rgba(var(--primary-rgb), 0.2);
}

.step-number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    flex-shrink: 0;
    width: 60px;
}

.step-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.step-content p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Advantage Grid */
.advantage-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.advantage-item {
    padding: var(--space-lg);
    text-align: center;
}

.advantage-item i {
    font-size: 2rem;
    margin-bottom: var(--space-md);
    color: var(--primary);
}

.advantage-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.advantage-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* BOS Components Grid */
.bos-components-section {
    margin: var(--space-2xl) 0;
}

.bos-components-section > h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-xl);
    text-align: center;
    color: var(--text-primary);
}

.bos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.bos-card {
    padding: var(--space-xl);
    border-radius: 16px;
    position: relative;
}

.bos-card:hover {
    transform: translateY(-4px);
}

.bos-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    background: linear-gradient(135deg, rgba(var(--primary-rgb), 0.2), rgba(var(--accent-rgb), 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-md);
}

.bos-icon i {
    font-size: 1.25rem;
    color: var(--primary);
}

.bos-card h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--text-primary);
}

.bos-card > p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.bos-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.bos-card ul li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 4px 0;
    padding-left: 16px;
    position: relative;
}

.bos-card ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--primary);
}

.bos-tag {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 4px 10px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--bg-primary);
    border-radius: 20px;
}

/* BOS Benefits */
.bos-benefits {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

/* EPC Projects Grid */
.epc-projects .feature-item > i {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* CTA Section Override */
.cta-section {
    padding: var(--space-2xl) 0;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
    .page-header {
        padding: 140px 0 60px;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .page-header p {
        font-size: 1rem;
    }
    
    .product-detail-block {
        padding: var(--space-lg);
    }
    
    .product-features-grid {
        grid-template-columns: 1fr;
    }
    
    .specs-table td:first-child {
        width: 45%;
    }
    
    .epc-step {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .step-number {
        width: auto;
        font-size: 1.5rem;
    }
    
    .bos-grid {
        grid-template-columns: 1fr;
    }
    
    .advantage-grid {
        grid-template-columns: 1fr;
    }
    
    .products-overview-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .feature-item {
        flex-direction: column;
        gap: var(--space-sm);
    }
    
    .feature-item > i {
        margin-top: 0;
    }
    
    .specs-table td {
        display: block;
        padding: var(--space-xs) var(--space-sm);
    }
    
    .specs-table td:first-child {
        width: 100%;
        padding-bottom: 0;
        font-weight: 600;
        color: var(--primary);
    }
    
    .specs-table tr {
        display: block;
        padding: var(--space-sm) 0;
    }
}

/* Smooth Scroll for Anchor Links */
html {
    scroll-behavior: smooth;
}

/* Section scroll offset for fixed nav */
[id] {
    scroll-margin-top: 100px;
}

/* Button styles for product pages */
.product-detail-content .btn-outline,
.solution-content .btn-outline {
    background: transparent;
    border: 2px solid rgba(var(--primary-rgb), 0.5);
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
}

.product-detail-content .btn-outline:hover,
.solution-content .btn-outline:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.product-detail-content .btn-outline i,
.solution-content .btn-outline i {
    font-size: 0.85em;
    transition: transform 0.3s ease;
}

.product-detail-content .btn-outline:hover i,
.solution-content .btn-outline:hover i {
    transform: translateX(4px);
}