* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    line-height: 1.6;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.breadcrumb-nav {
    background: white;
    border-bottom: 1px solid #e2e8f0;
    padding: 16px 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    position: relative;
}

.breadcrumb-nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #64748b;
}

.breadcrumb a {
    color: #3b82f6;
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb a:hover {
    color: #1d4ed8;
}

.breadcrumb-separator {
    color: #cbd5e1;
}

.product-hero {
    background: white;
    padding: 40px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.product-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 50%, #7c3aed 100%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.product-gallery {
    position: relative;
}

.gallery-toggle {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    padding: 4px;
    background: #f1f5f9;
    border-radius: 12px;
}

.toggle-btn {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.toggle-btn:hover {
    background: #e2e8f0;
    color: #3b82f6;
}

.toggle-btn.active {
    background: white;
    color: #3b82f6;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.gallery-view {
    display: none;
}

.gallery-view.active {
    display: block;
}

.model-3d-container {
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    padding: 24px;
    border: 1px solid #e2e8f0;
    position: relative;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.model-3d-container:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

#model3dCanvas {
    width: 100%;
    height: 400px;
    border-radius: 8px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    cursor: grab;
}

#model3dCanvas:active {
    cursor: grabbing;
}

.model-3d-controls {
    margin-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.control-info {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.control-info span {
    font-size: 12px;
    color: #64748b;
    background: white;
    padding: 4px 8px;
    border-radius: 6px;
    border: 1px solid #e2e8f0;
}

.reset-view-btn {
    background: #3b82f6;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.reset-view-btn:hover {
    background: #2563eb;
    transform: translateY(-1px);
}

.model-loader {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    z-index: 10;
    background: rgba(255, 255, 255, 0.9);
    padding: 32px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.model-loader.hidden {
    display: none;
}

.loader-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid #e2e8f0;
    border-top: 4px solid #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.model-loader p {
    margin: 0;
    color: #64748b;
    font-size: 14px;
    font-weight: 500;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.main-image-container {
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 20px;
    border: 1px solid #e2e8f0;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.main-image-container:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.main-image {
    width: 100%;
    height: 400px;
    object-fit: contain;
    border-radius: 8px;
}

.thumbnail-grid {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.thumbnail {
    width: 80px;
    height: 80px;
    border-radius: 12px;
    border: 3px solid transparent;
    cursor: pointer;
    transition: all 0.3s ease;
    object-fit: cover;
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 8px;
    position: relative;
    overflow: hidden;
}

.thumbnail::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 12px;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.thumbnail:hover::before {
    opacity: 1;
}

.thumbnail:hover,
.thumbnail.active {
    border-color: #3b82f6;
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
}

.thumbnail.active {
    border-color: #1d4ed8;
    box-shadow: 0 8px 20px rgba(29, 78, 216, 0.3);
}

.product-info {
    padding-left: 20px;
}

.product-category-badge {
    display: inline-block;
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%);
    color: #1d4ed8;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 20px;
    border: 1px solid #93c5fd;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-category-badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s;
}

.product-category-badge:hover::before {
    left: 100%;
}

.product-category-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(29, 78, 216, 0.3);
    text-decoration: none;
    color: #1d4ed8;
}

.product-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 20px;
    line-height: 1.2;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    position: relative;
}

.product-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 2px;
}

.product-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.badge {
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.badge::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s;
}

.badge:hover::before {
    left: 100%;
}

.badge:hover {
    transform: translateY(-1px) scale(1.05);
}

.badge-official { 
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%); 
    color: #166534; 
    border: 1px solid #86efac;
}
.badge-ce { 
    background: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 100%); 
    color: #1d4ed8; 
    border: 1px solid #93c5fd;
}
.badge-warranty { 
    background: linear-gradient(135deg, #fed7aa 0%, #fdba74 100%); 
    color: #c2410c; 
    border: 1px solid #fb923c;
}

.product-description {
    font-size: 16px;
    color: #475569;
    margin-bottom: 32px;
    line-height: 1.7;
}

.cta-section {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 32px;
    border-radius: 20px;
    border: 2px solid #e0f2fe;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.cta-section:hover::before {
    opacity: 1;
}

.cta-section:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
}

.cta-title {
    font-size: 18px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 16px 36px;
    border: none;
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 
        0 8px 20px rgba(59, 130, 246, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.6s;
    z-index: -1;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 
        0 12px 35px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.btn-primary:active {
    transform: translateY(-1px) scale(0.98);
}

.product-tabs-inline {
    margin-top: 24px;
}

.tab-nav-inline {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.tab-button-inline {
    padding: 12px 20px;
    background: linear-gradient(145deg, #f8fafc 0%, #f1f5f9 100%);
    border: 2px solid #e2e8f0;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.tab-button-inline::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transition: left 0.5s;
}

.tab-button-inline:hover::before {
    left: 100%;
}

.tab-button-inline:hover {
    background: linear-gradient(145deg, #f1f5f9 0%, #e2e8f0 100%);
    color: #3b82f6;
    border-color: #cbd5e1;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.tab-button-inline.active {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

.tab-content-area {
    min-height: 300px;
    max-height: 400px;
    overflow-y: auto;
}

.tab-content-inline {
    display: none;
}

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

.parameter-grid-inline {
    display: grid;
    gap: 8px;
}

.parameter-item-inline {
    background: #f8fafc;
    padding: 12px 16px;
    border-radius: 8px;
    border-left: 3px solid #3b82f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.parameter-item-inline:hover {
    background: #f1f5f9;
    transform: translateX(2px);
}

.feature-grid-inline {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.feature-item-inline {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    padding: 12px 16px;
    border-radius: 8px;
    text-align: center;
    font-weight: 500;
    color: #166534;
    border: 1px solid #bbf7d0;
    transition: all 0.2s ease;
    font-size: 14px;
}

.feature-item-inline:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.15);
}

.parameter-grid {
    display: grid;
    gap: 12px;
}

.parameter-item {
    background: #f8fafc;
    padding: 16px 20px;
    border-radius: 10px;
    border-left: 4px solid #3b82f6;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: all 0.2s ease;
}

.parameter-item:hover {
    background: #f1f5f9;
    transform: translateX(4px);
}

.parameter-name {
    font-weight: 600;
    color: #0f172a;
}

.parameter-value {
    background: white;
    color: #3b82f6;
    padding: 6px 12px;
    border-radius: 20px;
    font-weight: 500;
    border: 1px solid #e0f2fe;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

.feature-item {
    background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
    padding: 16px;
    border-radius: 10px;
    text-align: center;
    font-weight: 500;
    color: #166534;
    border: 1px solid #bbf7d0;
    transition: all 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(34, 197, 94, 0.15);
}

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: white;
    width: 100%;
    max-width: 600px;
    border-radius: 16px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
    overflow: hidden;
    animation: modalSlideIn 0.3s ease-out;
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid #e2e8f0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
}

.modal-close {
    background: #f1f5f9;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: #64748b;
    transition: all 0.2s;
}

.modal-close:hover {
    background: #e2e8f0;
    color: #0f172a;
}

.modal-body {
    padding: 24px;
}

/* Form */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #374151;
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.2s;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #3b82f6;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Gallery Navigation */
.gallery-navigation {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    align-items: center;
    pointer-events: none;
    z-index: 10;
}

.nav-arrow {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    pointer-events: all;
    transition: all 0.3s ease;
    opacity: 0.8;
    font-size: 18px;
}

.nav-arrow:hover {
    background: rgba(0, 0, 0, 0.9);
    opacity: 1;
    transform: scale(1.1);
}

.nav-arrow:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.nav-arrow:disabled:hover {
    transform: none;
    background: rgba(0, 0, 0, 0.7);
}

.nav-prev {
    margin-left: 20px;
}

.nav-next {
    margin-right: 20px;
}

.image-counter {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
    pointer-events: all;
}

.main-image-container {
    position: relative;
}

@media (max-width: 768px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .product-info {
        padding-left: 0;
    }
    
    .product-title {
        font-size: 2rem;
    }
    
    .nav-arrow {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .nav-prev {
        margin-left: 10px;
    }
    
    .nav-next {
        margin-right: 10px;
    }
    
    .image-counter {
        bottom: 10px;
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .tab-nav-inline {
        gap: 6px;
    }
    
    .tab-button-inline {
        padding: 8px 12px;
        font-size: 13px;
    }
    
    .tab-content-area {
        max-height: 350px;
    }
    
    .feature-grid-inline {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .main-image {
        height: 300px;
    }
    
    .main-image-container {
        padding: 20px;
    }
    
    #model3dCanvas {
        height: 300px;
    }
    
    .model-3d-container {
        padding: 15px;
    }
    
    .control-info {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .control-info span {
        font-size: 11px;
        padding: 3px 6px;
    }
    
    .reset-view-btn {
        padding: 6px 12px;
        font-size: 11px;
    }
    
    .toggle-btn {
        padding: 10px 16px;
        font-size: 13px;
    }
}

/* New badge styles - Updated version */
.badge-new { 
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important; 
    color: white !important; 
    border: 1px solid #f87171 !important;
}

.badge-level {
    font-weight: 600;
}

.badge-professional { 
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%); 
    color: white; 
    border: 1px solid #60a5fa;
}

.badge-advanced { 
    background: linear-gradient(135deg, #10b981 0%, #059669 100%); 
    color: white; 
    border: 1px solid #34d399;
}

.badge-standard { 
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%); 
    color: white; 
    border: 1px solid #9ca3af;
}

/* Product SKU */
.product-sku {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    margin-bottom: 20px;
    font-size: 14px;
    color: #475569;
}

/* Quick specs */
.quick-specs {
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    padding: 20px;
    border-radius: 16px;
    border: 1px solid #bae6fd;
    margin-bottom: 24px;
}

.quick-specs h3 {
    font-size: 18px;
    font-weight: 700;
    color: #0c4a6e;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.quick-specs h3::before {
    content: '⚡';
    font-size: 20px;
}

.quick-specs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.quick-spec-item {
    background: white;
    padding: 12px 16px;
    border-radius: 10px;
    border: 1px solid #e0f2fe;
    transition: all 0.3s ease;
}

.quick-spec-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.1);
}

.spec-label {
    font-size: 12px;
    color: #64748b;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.spec-value {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
}

/* Documents grid */
.documents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.document-item {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    padding: 20px;
    transition: all 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.document-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.document-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #fee2e2 0%, #fecaca 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.document-icon i {
    font-size: 20px;
    color: #dc2626;
}

.document-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 8px;
}

.document-info p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 12px;
    line-height: 1.5;
}

.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    padding: 8px 16px;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-download:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    text-decoration: none;
    color: white;
}

/* Videos grid */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.video-item {
    background: white;
    border: 1px solid #e2e8f0;
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.video-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.1);
    border-color: #3b82f6;
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 180px;
    overflow: hidden;
}

.video-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: rgba(0, 0, 0, 0.8);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.video-play-overlay i {
    color: white;
    font-size: 20px;
    margin-left: 3px;
}

.video-item:hover .video-play-overlay {
    background: rgba(59, 130, 246, 0.9);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-info {
    padding: 16px;
}

.video-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: #0f172a;
    margin-bottom: 8px;
    line-height: 1.4;
}

.video-info p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 12px;
    line-height: 1.5;
}

.btn-watch-video {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-watch-video:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Related products */
.related-products {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    padding: 60px 0;
    margin-top: 40px;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    color: #0f172a;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, #3b82f6 0%, #1d4ed8 100%);
    border-radius: 2px;
}

.related-products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.related-product-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    border: 1px solid #e2e8f0;
}

.related-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border-color: #3b82f6;
}

.related-product-image {
    height: 200px;
    overflow: hidden;
    position: relative;
}

.related-product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.related-product-card:hover .related-product-image img {
    transform: scale(1.05);
}

.related-product-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.related-product-card:hover .related-product-image::before {
    opacity: 1;
}

.related-product-info {
    padding: 20px;
}

.related-product-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.3;
}

.related-product-title a {
    color: #0f172a;
    text-decoration: none;
    transition: color 0.3s ease;
}

.related-product-title a:hover {
    color: #3b82f6;
    text-decoration: none;
}

.related-product-category {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 16px;
    font-weight: 500;
}

.btn-view-product {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    color: #3b82f6;
    padding: 10px 20px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    transition: all 0.3s ease;
    width: 100%;
    justify-content: center;
}

.btn-view-product:hover {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border-color: #3b82f6;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    text-decoration: none;
}

@media (max-width: 768px) {
    .quick-specs-grid {
        grid-template-columns: 1fr;
    }
    
    .documents-grid {
        grid-template-columns: 1fr;
    }
    
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .document-item {
        flex-direction: column;
        text-align: center;
    }
    
    .video-thumbnail {
        height: 200px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .product-hero {
        padding: 24px 0;
    }
    
    .product-title {
        font-size: 1.75rem;
    }
    
    .tab-content {
        padding: 20px;
    }
    
    .modal {
        margin: 16px;
    }
    
    .quick-specs {
        padding: 16px;
    }
    
    .quick-specs h3 {
        font-size: 16px;
    }
}