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

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        /* Header */
        .header {
            background: linear-gradient(135deg, #333333 0%, #FF7F50 100%);
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
        }

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

        .nav-menu a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .nav-menu a:hover {
            color: #FF7F50;
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Main Content */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(51, 51, 51, 0.8), rgba(255, 127, 80, 0.8)), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23f8f9fa" width="1200" height="600"/><polygon fill="%23e9ecef" points="0,600 1200,0 1200,600"/></svg>');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 220px 0 80px;
            text-align: center;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            font-weight: 300;
        }

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

        .cta-button {
            background: #FF7F50;
            color: #333;
            padding: 15px 30px;
            border: none;
            border-radius: 30px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .cta-button:hover {
            background: #ffed4e;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(255, 127, 80, 0.4);
        }

        /* Section Styles */
        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #333;
            font-weight: 300;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 80px;
            height: 3px;
            background: linear-gradient(135deg, #333333 0%, #FF7F50 100%);
            margin: 20px auto;
        }

        /* About Section */
        .about {
            background: white;
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text {
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .about-image {
            background: linear-gradient(135deg, #333333 0%, #FF7F50 100%);
            height: 400px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.5rem;
        }

        /* Services Grid */
        .services {
            background: #f8f9fa;
        }

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

        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-align: center;
            transition: transform 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-5px);
        }

        .service-icon {
            font-size: 3rem;
            color: #333333;
            margin-bottom: 1rem;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #333;
        }

        /* FAQ Section */
        .faq {
            background: white;
        }

        .faq-item {
            background: #f8f9fa;
            margin-bottom: 1rem;
            border-radius: 5px;
            overflow: hidden;
        }

        .faq-question {
            background: none;
            border: none;
            padding: 1.5rem;
            width: 100%;
            text-align: left;
            font-size: 1.1rem;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .faq-question:hover {
            background: #e9ecef;
        }

        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            display: none;
        }

        .faq-answer.active {
            display: block;
        }

        /* Warranty Packages */
        .warranty {
            background: #f8f9fa;
        }

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

        .package-card {
            background: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            text-align: center;
            border-top: 4px solid #333333;
        }

        .package-card.featured {
            border-top-color: #FF7F50;
            transform: scale(1.05);
        }

        .package-price {
            font-size: 2rem;
            font-weight: bold;
            color: #333333;
            margin-bottom: 1rem;
        }

        /* Testimonials */
        .testimonials {
            background: white;
        }

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

        .testimonial-card {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: 10px;
            text-align: center;
        }

        .testimonial-text {
            font-style: italic;
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

        .testimonial-author {
            font-weight: bold;
            color: #333333;
        }

        /* Footer */
        .footer {
            background: #333;
            color: white;
            padding: 3rem 0 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: #FF7F50;
        }

        .footer-section p, .footer-section li {
            margin-bottom: 0.5rem;
            opacity: 0.8;
        }

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

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

        .footer-section a:hover {
            color: #FF7F50;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #555;
            opacity: 0.6;
        }

        .footer-popup-links {
            margin-top: 1rem;
        }

        .footer-popup-links a {
            margin-right: 1rem;
            color: #FF7F50;
            text-decoration: underline;
            cursor: pointer;
        }

        /* Popup Styles */
        .popup-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 2000;
        }

        .popup {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: white;
            padding: 2rem;
            border-radius: 10px;
            max-width: 500px;
            width: 90%;
            max-height: 80vh;
            overflow-y: auto;
            z-index: 2001;
        }

        .popup-close {
            float: right;
            font-size: 1.5rem;
            cursor: pointer;
            color: #999;
        }

        .popup h3 {
            margin-bottom: 1rem;
            color: #333333;
        }

        .form-group {
            margin-bottom: 1rem;
        }

        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
        }

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

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

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        /* Responsive Design */
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }

            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #333333;
                flex-direction: column;
                padding: 1rem;
            }

            .nav-menu.active {
                display: flex;
            }

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

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

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

        /* Animation */
        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }