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

        :root {
            --primary-color: #2c3e50;
            --secondary-color: #e74c3c;
            --accent-color: #3498db;
            --text-dark: #333;
            --text-light: #666;
            --bg-light: #f8f9fa;
            --white: #ffffff;
            --shadow: 0 2px 10px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }

        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: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.8rem;
            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-links {
            display: flex;
            list-style: none;
            gap: 2rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

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

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--secondary-color);
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .quote-btn {
            background: var(--secondary-color);
            color: var(--white);
            padding: 0.7rem 1.5rem;
            border-radius: 5px;
            text-decoration: none;
            transition: var(--transition);
            font-weight: 600;
        }

        .quote-btn:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
        }

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

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../img/hero.jpg') center/cover;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: var(--white);
            margin-top: 80px;
        }

        .hero-content {
            max-width: 800px;
            padding: 0 2rem;
            animation: fadeInUp 1s ease;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.9;
        }

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

        .btn-primary, .btn-secondary {
            padding: 1rem 2rem;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
        }

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

        .btn-primary:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            border: 2px solid var(--white);
        }

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

        /* About Section */
        .about {
            padding: 5rem 5%;
            background: var(--bg-light);
        }

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

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

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--secondary-color);
        }

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

        .about-text {
            font-size: 1.1rem;
            color: var(--text-light);
            line-height: 1.8;
        }

        .about-image {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

        .about-image img {
            width: 100%;
            height: auto;
            transition: var(--transition);
        }

        .about-image:hover img {
            transform: scale(1.05);
        }

        /* Services Section */
        .services {
            padding: 5rem 5%;
            background: var(--white);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .service-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background: var(--secondary-color);
            transform: translateX(-100%);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
        }

        .service-card:hover::before {
            transform: translateX(0);
        }

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

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .service-card p {
            color: var(--text-light);
            line-height: 1.6;
        }

        /* Why Choose Us */
        .why-choose {
            padding: 5rem 5%;
            background: var(--bg-light);
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .feature-item {
            text-align: center;
            padding: 2rem;
            background: var(--white);
            border-radius: 10px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
            margin-bottom: 1rem;
        }

        .feature-item h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
            color: var(--primary-color);
        }

        /* Home Warranty */
        .warranty {
            padding: 5rem 5%;
            background: var(--white);
        }

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

        .warranty-text h3 {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .warranty-text p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

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

        .warranty-features li {
            padding: 0.5rem 0;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .warranty-image {
            position: relative;
            overflow: hidden;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

        .warranty-image img {
            width: 100%;
            height: auto;
            transition: var(--transition);
        }

        .warranty-image:hover img {
            transform: scale(1.05);
        }

        /* Contact and Quote Form */
        .contact {
            padding: 5rem 5%;
            background: var(--bg-light);
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            margin-top: 3rem;
        }

        .contact-info {
            padding: 2rem;
        }

        .contact-info h3 {
            font-size: 1.8rem;
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
            color: var(--text-light);
        }

        .contact-item i {
            font-size: 1.5rem;
            color: var(--secondary-color);
            width: 30px;
        }

        .quote-form {
            background: var(--white);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
            font-weight: 500;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .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(231, 76, 60, 0.1);
        }

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

        .submit-btn {
            background: var(--secondary-color);
            color: var(--white);
            padding: 1rem 2rem;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }

        .submit-btn:hover {
            background: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
        }

        /* Testimonials */
        .testimonials {
            padding: 5rem 5%;
            background: var(--white);
        }

        .testimonials-slider {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .testimonial-card {
            background: var(--bg-light);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            position: relative;
            transition: var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(0,0,0,0.15);
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 4rem;
            color: var(--secondary-color);
            opacity: 0.2;
        }

        .testimonial-text {
            font-style: italic;
            color: var(--text-light);
            margin-bottom: 1.5rem;
            line-height: 1.8;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            object-fit: cover;
        }

        .author-info h4 {
            color: var(--primary-color);
            margin-bottom: 0.2rem;
        }

        .author-info p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .rating {
            color: #f39c12;
            margin-bottom: 1rem;
        }

        /* Footer */
        footer {
            background: var(--primary-color);
            color: var(--white);
            padding: 3rem 5% 1rem;
        }

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

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

        .footer-section p,
        .footer-section a {
            color: #bdc3c7;
            text-decoration: none;
            line-height: 1.8;
            transition: var(--transition);
        }

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

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

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

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

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

        .social-links 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: #bdc3c7;
        }

        /* Newsletter Section */
        .newsletter-section {
            background: var(--secondary-color);
            padding: 3rem 5%;
            text-align: center;
            color: var(--white);
        }

        .newsletter-form {
            max-width: 500px;
            margin: 2rem auto 0;
            display: grid;
            gap: 1rem;
        }

        .newsletter-form .form-group {
            text-align: left;
        }

        .newsletter-form label {
            color: var(--white);
        }

        .newsletter-form input {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.3);
            color: var(--white);
        }

        .newsletter-form input::placeholder {
            color: rgba(255,255,255,0.7);
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            color: var(--white);
        }

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

        /* Modal Styles */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            animation: fadeIn 0.3s ease;
        }

        .modal-content {
            background: var(--white);
            margin: 5% auto;
            padding: 2rem;
            border-radius: 10px;
            width: 90%;
            max-width: 800px;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            animation: slideIn 0.3s ease;
        }

        .close {
            position: absolute;
            right: 1rem;
            top: 1rem;
            font-size: 2rem;
            cursor: pointer;
            color: var(--text-light);
            transition: var(--transition);
        }

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

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

        .modal p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        /* Toast Notification */
        .toast {
            position: fixed;
            bottom: 20px;
            right: 20px;
            background: var(--primary-color);
            color: var(--white);
            padding: 1rem 2rem;
            border-radius: 5px;
            box-shadow: var(--shadow);
            display: none;
            animation: slideInRight 0.3s ease;
            z-index: 3000;
        }

        .toast.success {
            background: #27ae60;
        }

        .toast.error {
            background: var(--secondary-color);
        }

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

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

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

        @keyframes slideInRight {
            from {
                transform: translateX(100%);
            }
            to {
                transform: translateX(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu {
                display: block;
            }

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

            .hero p {
                font-size: 1.1rem;
            }

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

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

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

            .testimonials-slider {
                grid-template-columns: 1fr;
            }

            .footer-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .social-links {
                justify-content: center;
            }
        }