:root {
            --primary: #1a4b8c;
            --primary-light: #3a70b8;
            --secondary: #c0c0c0;
            --secondary-light: #e8e8e8;
            --dark: #202020;
            --white: #ffffff;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: #f8f9fa;
            color: var(--dark);
            line-height: 1.6;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header and Navigation */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-icon {
            width: 50px;
            height: 50px;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }

        nav a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }

        nav a:hover, nav a.active {
            color: var(--primary);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--white);
            padding: 160px 0 100px;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .hero p {
            font-size: 1.25rem;
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            background-color: var(--secondary);
            color: var(--primary);
            border: none;
            border-radius: 5px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            cursor: pointer;
        }

        .btn:hover {
            background-color: var(--white);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        /* Sections */
        section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
            color: var(--primary);
            font-size: 2.2rem;
        }

        /* Features */
        .features {
            background-color: var(--white);
        }

        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background: var(--white);
            border-radius: 10px;
            padding: 30px;
            text-align: center;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--primary);
        }

        /* Services */
        .services {
            background-color: var(--secondary-light);
        }

        .service-card {
            background: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin-bottom: 30px;
        }

        .service-content {
            padding: 25px;
        }

        .service-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
            font-size: 1.4rem;
        }

        /* About */
        .about {
            background-color: var(--white);
        }

        .about-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-image {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        }

        .about-content h2 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.8rem;
        }

        /* Testimonials */
        .testimonials {
            background-color: var(--primary);
            color: var(--white);
        }

        .testimonials .section-title {
            color: var(--white);
        }

        .testimonial-grid {
            display: flex;
            gap: 30px;
            overflow-x: auto;
            padding-bottom: 20px;
        }

        .testimonial-card {
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            padding: 30px;
            min-width: 300px;
            flex: 1;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }

        .testimonial-author {
            font-weight: 700;
        }

        /* Contact */
        .contact {
            background-color: var(--white);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-form input,
        .contact-form textarea {
            width: 100%;
            padding: 12px;
            margin-bottom: 20px;
            border: 1px solid var(--secondary);
            border-radius: 5px;
            font-size: 1rem;
        }

        .contact-form textarea {
            height: 150px;
            resize: vertical;
        }

        .contact-info {
            background: var(--secondary-light);
            padding: 30px;
            border-radius: 10px;
        }

        .contact-info h3 {
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .contact-method {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .contact-icon {
            color: var(--primary);
            font-size: 1.5rem;
            margin-right: 15px;
            width: 24px;
        }

        /* Products */
        .products {
            background-color: var(--secondary-light);
        }

        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .product-card {
            background: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
        }

        .product-image {
            height: 200px;
            background-color: var(--secondary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .product-content {
            padding: 25px;
        }

        .product-card h3 {
            color: var(--primary);
            margin-bottom: 10px;
            font-size: 1.4rem;
        }

        .product-price {
            color: var(--primary);
            font-weight: 700;
            font-size: 1.2rem;
            margin: 15px 0;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 50px 0 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 15px;
        }

        .footer-logo-icon {
            width: 40px;
            height: 40px;
        }

        .footer-logo-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
        }

        .footer-column h3 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            color: var(--secondary);
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            color: var(--secondary-light);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: var(--white);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: var(--secondary);
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-icon {
            color: var(--secondary);
            font-size: 1.5rem;
            transition: color 0.3s;
        }

        .social-icon:hover {
            color: var(--white);
        }

        /* Pages */
        .page-header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--white);
            padding: 140px 0 60px;
            text-align: center;
        }

        .page-header h1 {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 10px;
        }

        .breadcrumb a {
            color: var(--secondary);
            text-decoration: none;
        }

        .breadcrumb span {
            color: var(--white);
        }

        /* Responsive */
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }

            .about-container {
                grid-template-columns: 1fr;
            }

            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            nav ul {
                display: none;
            }

            .mobile-menu-btn {
                display: block;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }