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

        :root {
            --primary: #1a3a52;
            --secondary: #00a86b;
            --accent: #ff6b6b;
            --light: #f5f7fa;
            --dark: #2c3e50;
            --text: #333;
            --border: #e0e0e0;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text);
        }

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

        /* Header */
        header {
            background: var(--primary);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--secondary);
        }

        nav {
            display: flex;
            gap: 2rem;
        }

        nav a {
            color: white;
            text-decoration: none;
            transition: color 0.3s;
            font-size: 0.95rem;
        }

        nav a:hover {
            color: var(--secondary);
        }

        .header-contact {
            display: flex;
            gap: 1.5rem;
            align-items: center;
            font-size: 0.9rem;
        }

        .cta-button {
            background: var(--secondary);
            color: white;
            padding: 0.6rem 1.2rem;
            border: none;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .cta-button:hover {
            background: #008a4d;
            transform: translateY(-2px);
        }

        .toggle-menu {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary) 0%, #2c5aa0 100%);
            color: white;
            padding: 6rem 0;
            text-align: center;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: slideInDown 0.8s ease;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--secondary);
            color: white;
            padding: 1rem 2rem;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-primary:hover {
            background: #008a4d;
            transform: translateY(-3px);
        }

        .btn-secondary {
            background: transparent;
            color: white;
            padding: 1rem 2rem;
            border: 2px solid white;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background: white;
            color: var(--primary);
        }

        @keyframes slideInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Section Styling */
        section {
            padding: 4rem 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
            position: relative;
            padding-bottom: 1rem;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--secondary);
            margin: 0 auto;
            margin-top: 0.5rem;
        }

        .section-subtitle {
            text-align: center;
            color: #666;
            font-size: 1.1rem;
            margin-bottom: 3rem;
        }

        /* About Section */
        .about {
            background: var(--light);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .about-text p {
            margin-bottom: 1rem;
            line-height: 1.8;
            color: #555;
        }

        .about-list {
            list-style: none;
            margin-top: 1.5rem;
        }

        .about-list li {
            padding: 0.5rem 0;
            padding-left: 2rem;
            position: relative;
        }

        .about-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: bold;
            font-size: 1.3rem;
        }

        .about-image {
            background: linear-gradient(135deg, var(--secondary), #00d89a);
            height: 300px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
        }

        .service-card {
            background: white;
            border: 2px solid var(--border);
            border-radius: 10px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }

        .service-card:hover {
            border-color: var(--secondary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transform: translateY(-5px);
        }

        .service-icon {
            font-size: 3rem;
            margin-bottom: 1rem;
        }

        .service-card h3 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        /* Why Choose Us */
        .why-choose {
            background: white;
        }

        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
        }

        .why-item {
            background: var(--light);
            padding: 2rem;
            border-radius: 10px;
            border-left: 4px solid var(--secondary);
            transition: all 0.3s;
        }

        .why-item:hover {
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .why-item h3 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        /* Warranty Section */
        .warranty {
            background: linear-gradient(135deg, var(--primary) 0%, #2c5aa0 100%);
            color: white;
        }

        .warranty .section-title {
            color: white;
        }

        .warranty-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .warranty-benefits {
            list-style: none;
        }

        .warranty-benefits li {
            padding: 1rem 0;
            padding-left: 2.5rem;
            position: relative;
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .warranty-benefits li::before {
            content: '★';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-size: 1.5rem;
        }

        .warranty-box {
            background: rgba(255,255,255,0.1);
            padding: 2rem;
            border-radius: 10px;
            border: 2px solid var(--secondary);
        }

        .warranty-box h3 {
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }

        /* Testimonials */
        .testimonials {
            background: var(--light);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .testimonial-card {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
        }

        .stars {
            color: #ffc107;
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1rem;
            line-height: 1.6;
            color: #555;
        }

        .testimonial-author {
            font-weight: 600;
            color: var(--primary);
        }

        /* Forms */
        .form-section {
            background: white;
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: var(--primary);
        }

        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 2px solid var(--border);
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--secondary);
        }

        textarea {
            resize: vertical;
            min-height: 100px;
        }

        .checkbox-group {
            display: flex;
            gap: 0.5rem;
            align-items: flex-start;
            margin-bottom: 1rem;
        }

        input[type="checkbox"] {
            width: auto;
            margin-top: 0.5rem;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
        }

        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.5);
            animation: fadeIn 0.3s;
            overflow-y: auto;
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .modal-content {
            background-color: white;
            margin: 5% auto;
            padding: 2rem;
            border-radius: 10px;
            width: 90%;
            max-width: 500px;
            animation: slideUp 0.3s;
        }

        @keyframes slideUp {
            from {
                transform: translateY(50px);
                opacity: 0;
            }
            to {
                transform: translateY(0);
                opacity: 1;
            }
        }

        .modal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
            border-bottom: 2px solid var(--border);
            padding-bottom: 1rem;
        }

        .modal-header h2 {
            color: var(--primary);
        }

        .close {
            font-size: 2rem;
            color: #999;
            cursor: pointer;
            transition: color 0.3s;
        }

        .close:hover {
            color: var(--primary);
        }

        .confirmation {
            background: #d4edda;
            border: 2px solid #28a745;
            color: #155724;
            padding: 1.5rem;
            border-radius: 5px;
            text-align: center;
            margin-top: 1rem;
            display: none;
            animation: slideUp 0.3s;
        }

        /* Contact Section */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .contact-item {
            display: flex;
            gap: 1.5rem;
        }

        .contact-icon {
            font-size: 2rem;
            color: var(--secondary);
        }

        .contact-details h3 {
            color: var(--primary);
            margin-bottom: 0.3rem;
        }

        .contact-details p {
            color: #666;
        }

        .contact-details a {
            color: var(--secondary);
            text-decoration: none;
            transition: color 0.3s;
        }

        .contact-details a:hover {
            color: var(--primary);
        }

        /* Footer */
        footer {
            background: var(--primary);
            color: white;
            padding: 3rem 0 1rem;
            margin-top: 3rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            margin-bottom: 1rem;
            color: var(--secondary);
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section ul li {
            margin-bottom: 0.5rem;
        }

        .footer-section a {
            color: #ccc;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-section a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.2);
            padding-top: 2rem;
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 768px) {
            nav {
                gap: 1rem;
                font-size: 0.85rem;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .about-content, .warranty-content, .contact-wrapper {
                grid-template-columns: 1fr;
            }

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

            .header-contact {
                display: none;
            }

            .section-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 600px) {
            .toggle-menu {
                display: block;
            }

            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 1rem;
                gap: 1rem;
                border-top: 1px solid rgba(255,255,255,0.2);
            }

            nav.active {
                display: flex;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .hero p {
                font-size: 1rem;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .btn-primary, .btn-secondary {
                padding: 0.8rem 1.5rem;
                font-size: 0.9rem;
            }
        }