:root {
            --primary-dark: #1e3a5f;
            --primary-blue: #2c5aa0;
            --primary-light: #4a7bc8;
            --accent-orange: #ff6b35;
            --accent-green: #2ecc71;
            --gray-900: #1a202c;
            --gray-700: #2d3748;
            --gray-500: #718096;
            --gray-300: #e2e8f0;
            --gray-100: #f7fafc;
            --white: #ffffff;
        }

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

        body {
            font-family: 'Open Sans', sans-serif;
            color: var(--gray-900);
            line-height: 1.6;
        }

        h1, h2, h3 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
        }

        h1 {
            font-size: 48px;
            font-weight: 700;
            line-height: 1.1;
        }

        h2 {
            font-size: 36px;
            line-height: 1.2;
        }

        h3 {
            font-size: 24px;
            line-height: 1.3;
        }

        .navbar {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 12px 0;
            transition: all 0.3s ease;
        }

        .navbar.scrolled {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
        }

        .navbar-brand {
            font-family: 'Montserrat', sans-serif;
            font-size: 28px;
            font-weight: 700;
            color: var(--primary-dark) !important;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .nav-link {
            color: var(--gray-700) !important;
            font-weight: 500;
            margin: 0 12px;
            text-transform: uppercase;
            font-size: 13px;
            letter-spacing: 0.5px;
            position: relative;
            transition: all 0.3s ease;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            width: 0;
            height: 2px;
            background: var(--accent-orange);
            transition: all 0.3s ease;
            transform: translateX(-50%);
        }

        .nav-link:hover::after {
            width: 80%;
        }

        .nav-link:hover {
            color: var(--primary-blue) !important;
        }

        .hero-section {
            min-height: 100vh;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%);
            display: flex;
            align-items: center;
            color: white;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg width="60" height="60" viewBox="0 0 60 60" xmlns="http://www.w3.org/2000/svg"><g fill="none" fill-rule="evenodd"><g fill="%23ffffff" fill-opacity="0.03"><polygon points="36,1 44,29 73,35 54,57 56,86 36,79 16,86 18,57 -1,35 28,29"/></g></svg>') repeat;
        }

        .hero-pattern {
            position: absolute;
            top: -50%;
            right: -50%;
            width: 100%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 40px 40px;
            animation: float 20s linear infinite;
        }

        @keyframes float {
            0% { transform: translateY(0) translateX(0); }
            50% { transform: translateY(-20px) translateX(20px); }
            100% { transform: translateY(0) translateX(0); }
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-image {
            position: absolute;
            right: -100px;
            top: 50%;
            transform: translateY(-50%);
            width: 600px;
            height: 600px;
            opacity: 0.2;
            z-index: 1;
        }

        .btn-primary {
            background: var(--accent-orange);
            border: 2px solid var(--accent-orange);
            color: white;
            padding: 16px 32px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 0;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: var(--primary-blue);
            transition: left 0.3s ease;
            z-index: -1;
        }

        .btn-primary:hover {
            color: white;
            border-color: var(--primary-blue);
            transform: translateY(-2px);
        }

        .btn-primary:hover::before {
            left: 0;
        }

        .btn-secondary {
            background: transparent;
            border: 2px solid white;
            color: white;
            padding: 16px 32px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border-radius: 0;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: white;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .stats-section {
            background: var(--primary-dark);
            color: white;
            padding: 80px 0;
        }

        .stat-item {
            text-align: center;
            padding: 32px;
        }

        .stat-number {
            font-size: 48px;
            font-weight: 700;
            color: var(--accent-orange);
            display: block;
        }

        .stat-label {
            font-size: 18px;
            font-weight: 500;
            margin-top: 8px;
        }

        .service-card {
            background: white;
            border: 2px solid var(--gray-300);
            padding: 48px 32px;
            text-align: center;
            height: 100%;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--accent-orange);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .service-card:hover {
            border-color: var(--primary-blue);
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            font-size: 64px;
            color: var(--primary-blue);
            margin-bottom: 24px;
            transition: all 0.3s ease;
        }

        .service-card:hover .service-icon {
            color: var(--accent-orange);
            transform: scale(1.1);
        }

        .why-us-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(330px, 1fr));
            gap: 32px;
            margin-top: 64px;
        }

        .why-us-card {
            background: white;
            border-left: 4px solid var(--accent-orange);
            padding: 32px;
            transition: all 0.3s ease;
        }

        .why-us-card:hover {
            border-left-color: var(--accent-green);
            box-shadow: 0 8px 24px rgba(0,0,0,0.1);
            transform: translateX(4px);
        }

        .check-icon {
            color: var(--accent-green);
            font-size: 24px;
            margin-right: 12px;
        }

        .warranty-card {
            background: var(--white);
            border: 2px solid var(--gray-300);
            padding: 48px 32px;
            text-align: center;
            height: 100%;
            transition: all 0.3s ease;
        }

        .warranty-card:hover {
            border-color: var(--primary-blue);
            transform: translateY(-4px);
            box-shadow: 0 16px 32px rgba(0,0,0,0.1);
        }

        .warranty-icon {
            font-size: 56px;
            color: var(--accent-orange);
            margin-bottom: 24px;
        }

        .testimonial-card {
            background: white;
            border: 2px solid var(--gray-300);
            padding: 40px;
            height: 100%;
            position: relative;
            transition: all 0.3s ease;
        }

        .testimonial-card:hover {
            border-color: var(--primary-blue);
            box-shadow: 0 12px 24px rgba(0,0,0,0.1);
        }

        .quote-icon {
            font-size: 48px;
            color: var(--primary-blue);
            opacity: 0.3;
            margin-bottom: 20px;
        }

        .form-control {
            border: 2px solid var(--gray-300);
            border-radius: 0;
            padding: 16px 20px;
            font-size: 16px;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            border-color: var(--primary-blue);
            box-shadow: 0 0 0 3px rgba(44, 90, 160, 0.1);
        }

        .footer {
            background: var(--gray-900);
            color: white;
            padding: 80px 0 40px;
        }

        .footer h5 {
            color: var(--accent-orange);
            font-family: 'Montserrat', sans-serif;
            font-weight: 600;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .footer-link {
            color: var(--gray-300);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-link:hover {
            color: var(--accent-orange);
        }

        .success-message {
            background: var(--accent-green);
            color: white;
            padding: 20px;
            border-radius: 4px;
            margin-bottom: 24px;
            display: none;
            font-weight: 500;
        }

        .modal-content {
            border: none;
            border-radius: 8px;
        }

        .modal-header {
            background: var(--primary-dark);
            color: white;
        }

        .section-divider {
            height: 2px;
            background: linear-gradient(90deg, transparent 0%, var(--primary-blue) 50%, transparent 100%);
            margin: 80px 0;
        }

        .trust-badges {
            background: var(--gray-100);
            padding: 48px 0;
        }

        .trust-badge {
            text-align: center;
            padding: 24px;
            opacity: 0.6;
            transition: opacity 0.3s ease;
        }

        .trust-badge:hover {
            opacity: 1;
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 36px;
            }
            
            h2 {
                font-size: 28px;
            }
            
            .hero-section {
                min-height: 80vh;
                text-align: center;
            }
            
            .hero-image {
                display: none;
            }
            
            .navbar-brand {
                font-size: 20px;
            }
            
            .why-us-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 576px) {
            h1 {
                font-size: 28px;
            }
            
            .service-card {
                margin-bottom: 32px;
            }
        }