:root {
            --primary-color: #0250c5;
            --secondary-color: #d43f8d;
            --accent-color: #20bf6b;
            --text-dark: #242424;
            --text-light: #666;
            --bg-light: #f8f9fa;
            --white: #ffffff;
            --shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        
        body {
            font-family: 'Poppins', sans-serif;
            color: var(--text-dark);
            background-color: #f5f7fa;
        }
        
        /* Header and Navigation */
        .navigation {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 999;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            background: linear-gradient(55deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            transition: var(--transition);
        }
        
        .navigation.stiky-nav {
            background: var(--white);
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            border-bottom: none;
        }
        
        .navbar-brand img {
            max-width: 150px;
            filter: brightness(0) invert(1);
            transition: var(--transition);
        }
        
        .navigation.stiky-nav .navbar-brand img {
            filter: unset;
        }
        
        .navbar-nav .nav-link {
            color: var(--white);
            font-weight: 500;
            padding: 25px 15px !important;
            transition: var(--transition);
            position: relative;
        }
        
        .navigation.stiky-nav .navbar-nav .nav-link {
            color: var(--text-dark) !important;
        }
        
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--white);
            transform: translateY(-2px);
        }
        
        .navigation.stiky-nav .navbar-nav .nav-link:hover,
        .navigation.stiky-nav .navbar-nav .nav-link.active {
            color: var(--primary-color) !important;
        }
        
        /* Mobile Navigation */
        .navbar-toggler {
            border: none;
            padding: 5px;
        }
        
        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        .navigation.stiky-nav .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2836, 36, 36, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        
        /* Main Content */
        .main-content {
            margin-top: 120px;
            padding: 30px 0;
        }
        
        /* Breadcrumb */
        .breadcrumb-section {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            padding: 20px 0;
            margin-bottom: 40px;
            border-radius: 0 0 20px 20px;
            box-shadow: var(--shadow);
        }
        
        .breadcrumb-item a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
        }
        
        .breadcrumb-item a:hover {
            color: var(--white);
        }
        
        .breadcrumb-item.active {
            color: rgba(255, 255, 255, 0.9);
        }
        
        .breadcrumb-item + .breadcrumb-item::before {
            color: rgba(255, 255, 255, 0.5);
        }
        
        /* Product Gallery */
        .product-gallery {
            background: var(--white);
            border-radius: 15px;
            padding: 20px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        
        .main-image-container {
            position: relative;
            height: 400px;
            background: #ffffff;
            border-radius: 10px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        .main-image {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }
        
        .thumbnail-images {
            display: flex;
            gap: 15px;
            overflow-x: auto;
            padding: 5px;
        }
        
        .thumbnail {
            min-width: 80px;
            height: 80px;
            background-size: cover;
            background-position: center;
            border-radius: 8px;
            cursor: pointer;
            flex-shrink: 0;
            border: 2px solid transparent;
            transition: var(--transition);
        }
        
        .thumbnail:hover,
        .thumbnail.active {
            border-color: var(--primary-color);
            transform: translateY(-3px);
        }
        
        /* Product Info */
        .product-info {
            background: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        
        .product-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-dark);
        }
        
        .product-category {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: var(--white);
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 20px;
        }
        
        .product-description {
            color: var(--text-light);
            font-size: 1.1rem;
            line-height: 1.7;
            margin-bottom: 25px;
        }
        
        /* Footer */
        /*
        .footer {
            overflow: hidden;
            position: relative;
            padding: 90px 0px 0px;
            background: url(../images/footer.png);
            background-repeat: no-repeat;
            background-size: cover;
            background-repeat: no-repeat;
        }
        
        .footer .footer-info-area {
            text-align: center;
        }
        
        .footer .footer-info-area .footer-logo {
            margin-bottom: 23px;
            display: block;
        }
        
        .footer .footer-info-area .footer-logo .logo-link {
            font-size: 40px;
            line-height: 50px;
            font-weight: 700;
            text-transform: uppercase;
        }
        
        .footer .footer-info-area .footer-logo img {
            max-width: 180px;
        }
        
        .footer .footer-info-area .text {
            margin-bottom: 24px;
        }
        
        .footer .fotter-social-links {
            text-align: center;
            margin-top: 35px;
        }
        
        .footer .fotter-social-links ul {
            padding-left: 0px;
            margin-left: 0px;
        }
        
        .footer .fotter-social-links ul li {
            display: inline-block;
        }
        
        .footer .fotter-social-links ul li a {
            font-size: 14px;
            width: 35px;
            height: 35px;
            display: inline-block;
            border-radius: 50%;
            text-align: center;
            line-height: 36px;
            margin: 0px 3px;
            color: #fff;
            box-shadow: 0px 5px 15px rgba(0, 0, 0, 0.18);
            transition: all 0.3s ease-in;
        }
        
        .footer .fotter-social-links ul li a.facebook {
            background: #0069f7;
            border-color: #0069f7;
        }
        
        .footer .fotter-social-links ul li a.twitter {
            background: #00c6f7;
            border-color: #00c6f7;
        }
        
        .footer .fotter-social-links ul li a.linkedin {
            background: #007bb5;
            border-color: #007bb5;
        }
        
        .footer .fotter-social-links ul li a.dribbble {
            background: #f7007a;
            border-color: #f7007a;
        }
        
        .footer .fotter-social-links ul li a.google-plus {
            background: #d1062c;
            border-color: #d1062c;
        }
        
        .footer .copy-bg {
            padding: 20px 0px 20px;
            border-top: 1px solid rgba(0, 0, 0, 0.15);
            margin-top: 84px;
        }
        
        .footer .copy-bg p {
            font-size: 16px;
            line-height: 26px;
            margin-bottom: 0px;
        }
        
        .footer .copy-bg a {
            font-size: 16px;
            line-height: 26px;
            margin-bottom: 0px;
            transition: 0.3s ease-in;
            color: #555;
        }
        
        .footer .copy-bg a:hover {
            color: #0250c5;
        }
        
        .footer-legal-links a {
            color: #555;
            transition: all 0.3s ease-in;
        }
        
        .footer-legal-links a:hover {
            color: #0250c5;
        }
        */
        
        .product-description p {
            margin-bottom: 15px;
            text-align: justify;
        }
        
        .product-description p:last-child {
            margin-bottom: 0;
        }
        
        /* Features Section */
        .features-section {
            background: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        
        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--text-dark);
            position: relative;
            padding-bottom: 15px;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 60px;
            height: 3px;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 3px;
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
        }
        
        .feature-card {
            display: flex;
            gap: 15px;
            padding: 20px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(248, 249, 250, 0.9));
            border-radius: 12px;
            transition: all 0.3s ease;
            border: 1px solid rgba(212, 63, 141, 0.1);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            border-color: rgba(212, 63, 141, 0.3);
        }
        
        .feature-icon {
            color: var(--primary-color);
            font-size: 1.8rem;
            min-width: 50px;
            height: 50px;
            background: rgba(2, 80, 197, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        
        .feature-text {
            color: var(--text-dark);
            line-height: 1.6;
            display: flex;
            align-items: center;
        }
        
        /* Tabs */
        .product-tabs {
            background: var(--white);
            border-radius: 15px;
            box-shadow: var(--shadow);
            overflow: hidden;
            margin-bottom: 30px;
        }
        
        .tabs-header {
            display: flex;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 15px 15px 0 0;
        }
        
        .tab-item {
            flex: 1;
            padding: 20px;
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }
        
        .tab-item i {
            font-size: 1.5rem;
        }
        
        .tab-item:hover,
        .tab-item.active {
            color: var(--white);
            background: rgba(0, 0, 0, 0.1);
        }
        
        .tabs-content {
            padding: 30px;
        }
        
        .tab-content {
            display: none;
        }
        
        .tab-content.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }
        
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* Sidebar */
        .sidebar {
            background: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
        }
        
        .sidebar-section {
            margin-bottom: 30px;
        }
        
        .sidebar-section:last-child {
            margin-bottom: 0;
        }
        
        .spec-list {
            list-style-type: none;
            padding: 0;
            margin: 0;
        }
        
        .spec-list li {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            display: flex;
            align-items: flex-start;
        }
        
        .spec-list li:last-child {
            border-bottom: none;
        }
        
        .spec-list li::before {
            content: "✓";
            color: var(--accent-color);
            font-weight: bold;
            display: inline-block;
            width: 1.5em;
            margin-right: 10px;
        }
        
        .spec-list-container {
            padding: 10px 0;
        }
        
        .accordion {
            border: 1px solid #eee;
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
        }
        
        .accordion-header {
            background: rgba(2, 80, 197, 0.05);
            padding: 15px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--primary-color);
        }
        
        .accordion-content {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }
        
        .accordion-content.open {
            padding: 20px;
            max-height: 1000px;
        }
        
        .download-btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: var(--white);
            padding: 12px 25px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            text-align: center;
            border: none;
            cursor: pointer;
            width: 100%;
            transition: var(--transition);
            margin-top: 10px;
        }
        
        .download-btn:hover {
            opacity: 0.9;
            transform: translateY(-3px);
        }
        
        /* Warranty and Support Info */
        .warranty-support-section {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .warranty-card, .support-card {
            flex: 1;
            min-width: 250px;
            background: linear-gradient(135deg, rgba(2, 80, 197, 0.05), rgba(212, 63, 141, 0.05));
            border-radius: 15px;
            padding: 25px;
            border: 1px solid rgba(2, 80, 197, 0.1);
            transition: var(--transition);
        }
        
        .warranty-card:hover, .support-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .warranty-card h3, .support-card h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: var(--primary-color);
        }
        
        .warranty-card p, .support-card p {
            font-size: 16px;
            color: var(--text-color);
        }
        
        /* Related Products */
        .related-products-section {
            margin-bottom: 30px;
        }
        
        .related-products-section h2 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--primary-color);
        }
        
        .related-products {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
        }
        
        .related-product {
            flex: 1;
            min-width: 250px;
            background: linear-gradient(135deg, rgba(2, 80, 197, 0.05), rgba(212, 63, 141, 0.05));
            border-radius: 15px;
            padding: 25px;
            border: 1px solid rgba(2, 80, 197, 0.1);
            transition: var(--transition);
        }
        
        .related-product:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .related-product img {
            width: 100%;
            height: auto;
            border-radius: 10px;
            margin-bottom: 15px;
        }
        
        .related-product h3 {
            font-size: 24px;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .related-product p {
            font-size: 16px;
            color: var(--text-color);
            margin-bottom: 15px;
        }
        
        .related-product-link {
            display: inline-block;
            text-align: center;
            margin-top: 15px;
            color: var(--white);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            text-decoration: none;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .related-product-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            text-decoration: none;
            color: var(--white);
        }
        
        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: var(--white);
            padding: 30px 20px;
            text-align: center;
        }
        
        footer p {
            font-size: 16px;
            margin-bottom: 10px;
        }
        
        footer a {
            color: var(--white);
            text-decoration: none;
            font-weight: 600;
        }
        
        footer a:hover {
            text-decoration: underline;
        }
        
        /* Responsive Design */
        @media (max-width: 768px) {
            .product-details {
                flex-direction: column;
                align-items: center;
            }
            
            .product-image {
                margin-bottom: 20px;
            }
            
            .product-info {
                width: 100%;
            }
            
            .related-products {
                justify-content: center;
            }
        }
        
        @media (max-width: 480px) {
            .warranty-support-section {
                flex-direction: column;
                align-items: center;
            }
            
            .warranty-card, .support-card {
                width: 100%;
            }
            
            .related-products {
                justify-content: center;
            }
            
            .related-product {
                width: 100%;
            }
        }
        
        .warranty-card:hover, .support-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .warranty-card h3, .support-card h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.3rem;
        }
        
        .warranty-card p, .support-card p {
            margin: 10px 0;
            color: var(--text-light);
            line-height: 1.6;
        }
        
        .warranty-card strong, .support-card strong {
            color: var(--text-dark);
            font-weight: 600;
        }
        
        /* Related Products */
        .related-products-section {
            background: var(--white);
            border-radius: 15px;
            padding: 30px;
            box-shadow: var(--shadow);
            margin-bottom: 30px;
            width: 100%;
        }
        
        .related-products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 25px;
            margin-top: 20px;
        }
        
        .related-product-card {
            border: 1px solid #eee;
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .related-product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }
        
        .related-product-image {
            height: 150px;
            background-size: cover;
            background-position: center;
        }
        
        .related-product-info {
            padding: 20px;
        }
        
        .related-product-info h4 {
            margin: 0 0 10px 0;
            color: var(--primary-color);
            font-size: 1.1rem;
        }
        
        .related-product-info p {
            margin: 0;
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        
        .related-product-link {
            display: inline-block;
            text-align: center;
            margin-top: 15px;
            color: var(--white);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            text-decoration: none;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: 8px;
            transition: var(--transition);
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
        }
        
        .related-product-link:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            text-decoration: none;
            color: var(--white);
        }
        
        /* Back to Top */
        .bottomtotop {
            position: fixed;
            bottom: 20px;
            right: 20px;
            width: 50px;
            height: 50px;
            line-height: 50px;
            text-align: center;
            font-size: 18px;
            color: var(--white);
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            border-radius: 50%;
            cursor: pointer;
            z-index: 999;
            display: none;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
            transition: var(--transition);
        }
        
        .bottomtotop:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .bottomtotop.active {
            display: block;
        }
        
        /* Responsive Design */
        @media (max-width: 991.98px) {
            .main-content {
                margin-top: 100px;
            }
            
            .main-image-container {
                height: 300px;
            }
            
            .tabs-header {
                flex-direction: column;
            }
            
            .tab-item {
                border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            }
            
            .tab-item:last-child {
                border-bottom: none;
            }
        }
        
        @media (max-width: 767.98px) {
            .main-content {
                margin-top: 80px;
                padding: 15px 0;
            }
            
            .main-image-container {
                height: 250px;
            }
            
            .product-info,
            .features-section,
            .product-tabs,
            .sidebar,
            .related-products {
                padding: 20px;
            }
            
            .product-title {
                font-size: 1.5rem;
            }
            
            .thumbnail {
                min-width: 60px;
                height: 60px;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 575.98px) {
            .main-image-container {
                height: 200px;
            }
            
            .tabs-content {
                padding: 20px 15px;
            }
            
            .feature-card {
                padding: 15px;
            }
        }