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

        :root {
            --primary-color: #1e3a8a;
            --secondary-color: #f97316;
            --accent-color: #10b981;
            --dark-color: #1f2937;
            --light-color: #f9fafb;
            --white: #ffffff;
            --text-dark: #374151;
            --text-light: #6b7280;
        }

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

        /* Header Styles */
        .header {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .logo i {
            color: var(--secondary-color);
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

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

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

        .cta-btn {
            background: var(--secondary-color);
            color: var(--white);
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .cta-btn:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(249, 115, 22, 0.4);
        }

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

        /* Hero Section */
        .hero {
            margin-top: 80px;
            height: 90vh;
            background: linear-gradient(rgba(30, 58, 138, 0.7), rgba(30, 58, 138, 0.7)), 
                        url('../images/hero.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
            position: relative;
        }

        .hero-content {
            max-width: 900px;
            padding: 2rem;
            animation: fadeInUp 1s ease;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            font-weight: 800;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .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);
            color: var(--white);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-primary:hover {
            background: #ea580c;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.5);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            border: 2px solid var(--white);
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-secondary:hover {
            background: var(--white);
            color: var(--primary-color);
            transform: translateY(-3px);
        }

        /* Section Styles */
        .section {
            padding: 5rem 2rem;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            font-weight: 700;
        }

        .section-header p {
            font-size: 1.2rem;
            color: var(--text-light);
        }

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

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

        .about-text p {
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 2rem;
            color: var(--text-dark);
        }

        .about-features {
            display: grid;
            gap: 1.5rem;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            background: var(--white);
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            transition: all 0.3s;
        }

        .feature-item:hover {
            transform: translateX(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        .feature-item i {
            font-size: 2rem;
            color: var(--secondary-color);
        }

        .feature-item h4 {
            color: var(--primary-color);
            font-size: 1.1rem;
        }

        /* Services Section */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .service-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            transition: all 0.3s;
            cursor: pointer;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
        }

        .service-card i {
            font-size: 3rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        /* Why Choose Us Section */
        .why-choose {
            background: linear-gradient(135deg, var(--primary-color), #2563eb);
            color: var(--white);
        }

        .why-choose .section-header h2,
        .why-choose .section-header p {
            color: var(--white);
        }

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

        .why-feature {
            background: rgba(255, 255, 255, 0.1);
            padding: 2rem;
            border-radius: 10px;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .why-feature i {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 1rem;
        }

        .why-feature h3 {
            font-size: 1.3rem;
            margin-bottom: 0.5rem;
        }

        /* Home Warranty Section */
        .warranty {
            background: var(--light-color);
            text-align: center;
        }

        .warranty-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .warranty-content p {
            font-size: 1.2rem;
            line-height: 1.8;
            margin-bottom: 2rem;
        }

        .warranty-badge {
            display: inline-block;
            background: var(--accent-color);
            color: var(--white);
            padding: 1rem 2rem;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            margin-top: 1rem;
        }

        /* Quote Form Section */
        .quote-form-section {
            background: var(--white);
        }

        .form-container {
            max-width: 700px;
            margin: 0 auto;
            background: var(--light-color);
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
        }

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

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

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e5e7eb;
            border-radius: 10px;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--secondary-color);
            box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 120px;
        }

        .submit-btn {
            width: 100%;
            padding: 1.2rem;
            background: var(--secondary-color);
            color: var(--white);
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .submit-btn:hover {
            background: #ea580c;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(249, 115, 22, 0.4);
        }

        .success-message {
            display: none;
            background: var(--accent-color);
            color: var(--white);
            padding: 1.5rem;
            border-radius: 10px;
            margin-top: 1rem;
            text-align: center;
        }

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

        .testimonials-slider {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .testimonial-track {
            display: flex;
            transition: transform 0.5s ease;
        }

        .testimonial {
            min-width: 100%;
            background: var(--white);
            padding: 3rem;
            border-radius: 15px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.08);
            text-align: center;
        }

        .testimonial i.quote {
            font-size: 3rem;
            color: var(--secondary-color);
            opacity: 0.3;
        }

        .testimonial p {
            font-size: 1.2rem;
            font-style: italic;
            margin: 1.5rem 0;
            line-height: 1.8;
        }

        .testimonial h4 {
            color: var(--primary-color);
            font-size: 1.1rem;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #d1d5db;
            cursor: pointer;
            transition: all 0.3s;
        }

        .slider-dot.active {
            background: var(--secondary-color);
            width: 30px;
            border-radius: 10px;
        }

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

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: start;
        }

        .contact-info {
            background: var(--light-color);
            padding: 2rem;
            border-radius: 15px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-item i {
            font-size: 1.5rem;
            color: var(--secondary-color);
            width: 40px;
        }

        .contact-item div h4 {
            color: var(--primary-color);
            margin-bottom: 0.3rem;
        }

        /* Newsletter Section */
        .newsletter {
            background: linear-gradient(135deg, var(--accent-color), #059669);
            color: var(--white);
            text-align: center;
        }

        .newsletter-form {
            max-width: 600px;
            margin: 0 auto;
        }

        .newsletter-form .form-group input {
            background: var(--white);
        }

        .newsletter-form .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            justify-content: center;
            margin-bottom: 1.5rem;
        }

        .newsletter-form .checkbox-group input[type="checkbox"] {
            width: auto;
        }

        .newsletter-form .checkbox-group label {
            color: var(--white);
            font-weight: 400;
        }

        /* Footer */
        .footer {
            background: var(--dark-color);
            color: #d1d5db;
            padding: 3rem 2rem 1rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h3 {
            color: var(--white);
            margin-bottom: 1rem;
        }

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

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

        .footer-section a {
            color: #d1d5db;
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .social-icons {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-icons a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s;
        }

        .social-icons a:hover {
            background: var(--secondary-color);
            transform: translateY(-3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #9ca3af;
        }

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.8);
            overflow-y: auto;
        }

        .modal-content {
            background: var(--white);
            margin: 5% auto;
            padding: 3rem;
            max-width: 800px;
            border-radius: 15px;
            position: relative;
            animation: slideDown 0.3s ease;
        }

        .close-modal {
            position: absolute;
            right: 1.5rem;
            top: 1.5rem;
            font-size: 2rem;
            cursor: pointer;
            color: var(--text-light);
            transition: color 0.3s;
        }

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

        .modal-content h2 {
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .modal-content p {
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 80px;
                flex-direction: column;
                background: var(--white);
                width: 100%;
                text-align: center;
                transition: 0.3s;
                box-shadow: 0 10px 27px rgba(0,0,0,0.05);
                padding: 2rem 0;
            }

            .nav-menu.active {
                left: 0;
            }

            .mobile-toggle {
                display: block;
            }

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

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

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

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

            .section-header h2 {
                font-size: 2rem;
            }

            .form-container {
                padding: 2rem;
            }

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

            .btn-primary,
            .btn-secondary {
                width: 100%;
            }
        }

        /* Scroll to top button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--secondary-color);
            color: var(--white);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: none;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            z-index: 999;
        }

        .scroll-top:hover {
            background: #ea580c;
            transform: translateY(-5px);
        }

        .scroll-top.show {
            display: flex;
        }