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

        :root {
            --primary-color: #2563eb;
            --secondary-color: #1e40af;
            --accent-color: #f59e0b;
            --text-dark: #1f2937;
            --text-light: #6b7280;
            --light-bg: #f9fafb;
            --white: #ffffff;
            --border-color: #e5e7eb;
        }

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

        /* Header */
        header {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

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

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-color);
        }

        .logo span {
            color: var(--accent-color);
        }

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

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

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

        .cta-btn {
            background: var(--accent-color);
            color: var(--white);
            padding: 0.75rem 1.5rem;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }

        .cta-btn:hover {
            background: #d97706;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: var(--white);
            padding: 8rem 5%;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            animation: slideDown 0.8s ease;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
            animation: slideUp 0.8s ease 0.2s backwards;
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
            animation: slideUp 0.8s ease 0.4s backwards;
        }

        .btn-primary {
            background: var(--accent-color);
            color: var(--white);
            padding: 1rem 2.5rem;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 1rem;
        }

        .btn-primary:hover {
            background: #d97706;
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--white);
            padding: 1rem 2.5rem;
            border: 2px solid var(--white);
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 1rem;
        }

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

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

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

        /* Section Styles */
        section {
            padding: 5rem 5%;
            max-width: 100%;
            margin: 0 auto;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: var(--text-dark);
        }

        .section-title span {
            color: var(--primary-color);
        }

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

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

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

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

        .about-img {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            height: 400px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 4rem;
        }

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

        .service-card {
            background: var(--white);
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s;
            cursor: pointer;
        }

        .service-card:hover {
            border-color: var(--primary-color);
            box-shadow: 0 12px 30px rgba(37, 99, 235, 0.15);
            transform: translateY(-8px);
        }

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

        .service-card h4 {
            font-size: 1.3rem;
            margin-bottom: 0.8rem;
            color: var(--text-dark);
        }

        .service-card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* Why Choose Us */
        #why-choose {
            background: var(--light-bg);
        }

        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2.5rem;
        }

        .why-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            border-left: 4px solid var(--primary-color);
            transition: all 0.3s;
        }

        .why-card:hover {
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .why-card h4 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .why-card p {
            color: var(--text-light);
            line-height: 1.7;
        }

        /* Home Warranty */
        #warranty {
            text-align: center;
        }

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

        .warranty-box {
            background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
            color: var(--white);
            padding: 3rem;
            border-radius: 12px;
            margin-bottom: 2rem;
        }

        .warranty-box h3 {
            font-size: 2rem;
            margin-bottom: 1.5rem;
        }

        .warranty-box p {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            opacity: 0.95;
        }

        .warranty-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 2.5rem;
        }

        .warranty-feature {
            background: rgba(255,255,255,0.1);
            padding: 1.5rem;
            border-radius: 8px;
            backdrop-filter: blur(10px);
        }

        .warranty-feature h4 {
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

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

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

        .testimonial {
            background: var(--white);
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .stars {
            color: var(--accent-color);
            margin-bottom: 1rem;
            font-size: 1.2rem;
        }

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

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

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

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

        .contact-info h3 {
            font-size: 1.5rem;
            margin-bottom: 2rem;
            color: var(--primary-color);
        }

        .contact-item {
            margin-bottom: 2rem;
            display: flex;
            gap: 1.5rem;
        }

        .contact-icon {
            font-size: 2rem;
            color: var(--primary-color);
            min-width: 50px;
        }

        .contact-item h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
            color: var(--text-dark);
        }

        .contact-item p {
            color: var(--text-light);
        }

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

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

        input,
        textarea,
        select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid var(--border-color);
            border-radius: 6px;
            font-size: 1rem;
            transition: border-color 0.3s;
            font-family: inherit;
        }

        input:focus,
        textarea:focus,
        select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

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

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

        .checkbox-group input {
            width: auto;
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: var(--white);
            padding: 3rem 5%;
            text-align: center;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            max-width: 1400px;
            margin: 0 auto;
            margin-bottom: 2rem;
            text-align: left;
        }

        .footer-section h4 {
            margin-bottom: 1rem;
            font-size: 1.1rem;
        }

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

        .footer-section a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-section p {
            color: rgba(255,255,255,0.7);
            font-size: 0.95rem;
            line-height: 1.8;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 2rem;
            color: rgba(255,255,255,0.7);
        }

        .footer-bottom a {
            color: var(--accent-color);
            text-decoration: none;
            cursor: pointer;
        }

        /* Modals */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            animation: fadeIn 0.3s ease;
        }

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

        .modal-content {
            background: var(--white);
            margin: 5% auto;
            padding: 2rem;
            border-radius: 12px;
            width: 90%;
            max-width: 600px;
            max-height: 80vh;
            overflow-y: auto;
            animation: slideDown 0.3s ease;
        }

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

        .modal-header h2 {
            font-size: 1.8rem;
            color: var(--primary-color);
        }

        .close {
            font-size: 2rem;
            font-weight: bold;
            color: var(--text-light);
            cursor: pointer;
            transition: color 0.3s;
        }

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

        /* Confirmation Message */
        .confirmation {
            display: none;
            position: fixed;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--white);
            padding: 3rem;
            border-radius: 12px;
            text-align: center;
            z-index: 2000;
            box-shadow: 0 20px 60px rgba(0,0,0,0.3);
            animation: popIn 0.4s ease;
        }

        @keyframes popIn {
            from {
                opacity: 0;
                transform: translate(-50%, -50%) scale(0.8);
            }
            to {
                opacity: 1;
                transform: translate(-50%, -50%) scale(1);
            }
        }

        .confirmation h3 {
            color: #10b981;
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }

        .confirmation p {
            color: var(--text-light);
            margin-bottom: 2rem;
        }

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

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

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

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

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

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

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

            .about-img {
                min-height: 300px;
            }

            section {
                padding: 3rem 5%;
            }

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