/* --- CSS VARIABLES & RESET --- */
        :root {
            --primary: #d35400; /* Construction Orange */
            --primary-dark: #a04000;
            --secondary: #2c3e50; /* Dark Blue/Grey */
            --accent: #27ae60; /* Green for trust/success */
            --light: #f8f9fa;
            --white: #ffffff;
            --text: #333333;
            --text-light: #666666;
            --shadow: 0 5px 15px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Open Sans', sans-serif;
            line-height: 1.6;
            color: var(--text);
            background-color: var(--white);
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 {
            font-family: 'Montserrat', sans-serif;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 1rem;
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-light);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        .section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 3px;
            background: var(--primary);
        }

        .section-title p {
            max-width: 700px;
            margin: 10px auto 0;
            font-size: 1.1rem;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 5px;
            font-weight: 600;
            font-family: 'Montserrat', sans-serif;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            text-align: center;
        }

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

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }

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

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

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

        .btn-secondary:hover {
            background: #1a252f;
        }

        /* --- HEADER & NAVIGATION --- */
        header {
            background: var(--white);
            box-shadow: var(--shadow);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 25px;
        }

        .nav-menu a {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--secondary);
            position: relative;
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .phone-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
        }

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

        /* --- HERO SECTION --- */
        .hero {
            background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.7)), url('../images/hero.webp');
            background-size: cover;
            background-position: center;
            height: 90vh;
            display: flex;
            align-items: center;
            color: var(--white);
            text-align: center;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
            animation: fadeIn 1s ease-out;
        }

        .hero h1 {
            font-size: 3.5rem;
            color: var(--white);
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero p {
            font-size: 1.25rem;
            color: #ddd;
            margin-bottom: 40px;
            font-weight: 400;
        }

        .hero-btns {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* --- ABOUT US --- */
        .about {
            background: var(--light);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-image {
            background: url('https://images.unsplash.com/photo-1556912172-45b7abe8d7e1?ixlib=rb-1.2.1&auto=format&fit=crop&w=800&q=80');
            background-size: cover;
            background-position: center;
            height: 400px;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }

        .about-content h2 {
            font-size: 2.2rem;
        }

        .about-content .btn {
            margin-top: 10px;
        }

        /* --- SERVICES --- */
        .services {
            background: var(--white);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
            border-top: 4px solid var(--primary);
            transition: var(--transition);
            text-align: center;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }

        .service-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        /* --- WHY CHOOSE US --- */
        .why-us {
            background: var(--secondary);
            color: var(--white);
        }

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

        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            text-align: center;
        }

        .why-item {
            padding: 20px;
            background: rgba(255,255,255,0.05);
            border-radius: 8px;
        }

        .why-item i {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .why-item h3 {
            color: var(--white);
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

        .why-item p {
            color: #ccc;
            font-size: 0.95rem;
        }

        /* --- WARRANTY --- */
        .warranty {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--white);
            text-align: center;
            padding: 80px 0;
        }

        .warranty h2 {
            color: var(--white);
            font-size: 2.5rem;
        }

        .warranty p {
            color: rgba(255,255,255,0.9);
            max-width: 700px;
            margin: 0 auto 30px;
            font-size: 1.1rem;
        }

        /* --- QUOTE FORM --- */
        .quote-form-section {
            background: var(--light);
        }

        .quote-form-container {
            background: var(--white);
            padding: 40px;
            border-radius: 10px;
            box-shadow: var(--shadow);
            max-width: 800px;
            margin: 0 auto;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: var(--secondary);
        }

        .form-group input, 
        .form-group select, 
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-family: inherit;
            font-size: 1rem;
        }

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

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        /* --- TESTIMONIALS --- */
        .testimonials-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            border-left: 4px solid var(--secondary);
            position: relative;
        }

        .testimonial-card i {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 2rem;
            color: #eee;
        }

        .testimonial-text {
            font-style: italic;
            color: #555;
            margin-bottom: 20px;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--primary);
        }

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

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .info-item i {
            font-size: 1.5rem;
            color: var(--primary);
            margin-top: 5px;
        }

        .map-frame {
            width: 100%;
            height: 100%;
            min-height: 300px;
            border-radius: 8px;
            border: 0;
            background: #ddd;
        }

        /* --- FOOTER --- */
        footer {
            background: #222;
            color: #ccc;
            padding-top: 60px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid #444;
        }

        .footer-col h4 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .newsletter-form input {
            width: 100%;
            padding: 10px;
            margin-bottom: 10px;
            border-radius: 4px;
            border: none;
        }

        .newsletter-form button {
            width: 100%;
            padding: 10px;
            background: var(--primary);
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-weight: 600;
        }

        .newsletter-form button:hover {
            background: var(--primary-dark);
        }

        .copyright {
            text-align: center;
            padding: 20px 0;
            font-size: 0.9rem;
            color: #777;
        }

        .legal-links {
            margin-top: 10px;
            display: flex;
            justify-content: center;
            gap: 20px;
        }

        .legal-links a {
            color: #aaa;
            text-decoration: underline;
            cursor: pointer;
        }

        .legal-links a:hover {
            color: var(--white);
        }

        /* --- POPUP MODULES --- */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.6);
            display: none;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            transition: opacity 0.3s;
        }

        .popup-overlay.active {
            display: flex;
            opacity: 1;
        }

        .popup-content {
            background: var(--white);
            padding: 30px;
            border-radius: 8px;
            max-width: 500px;
            width: 90%;
            position: relative;
            max-height: 90vh;
            overflow-y: auto;
            animation: slideDown 0.3s ease-out;
        }

        .popup-close {
            position: absolute;
            top: 15px;
            right: 15px;
            font-size: 1.5rem;
            cursor: pointer;
            color: #666;
            background: none;
            border: none;
        }

        .popup-title {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--secondary);
        }

        .popup-form input, 
        .popup-form .checkbox-group {
            margin-bottom: 15px;
            width: 100%;
        }

        .popup-form input[type="text"],
        .popup-form input[type="email"],
        .popup-form input[type="date"] {
            padding: 10px;
            border: 1px solid #ddd;
            border-radius: 4px;
        }

        .checkbox-group {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
        }

        .checkbox-group input {
            width: auto;
        }

        .msg-success {
            background: #d4edda;
            color: #155724;
            padding: 15px;
            border-radius: 4px;
            margin-bottom: 15px;
            display: none;
            text-align: center;
        }

        /* --- ANIMATIONS --- */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

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

        /* --- FLOATING CTA --- */
        .floating-cta {
            position: fixed;
            bottom: 20px;
            right: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .floating-cta .fab-btn {
            background: var(--primary);
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.3);
            font-size: 1.2rem;
            transition: var(--transition);
        }

        .floating-cta .fab-btn:hover {
            transform: scale(1.1);
            background: var(--primary-dark);
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
            .nav-menu {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: var(--white);
                flex-direction: column;
                justify-content: flex-start;
                padding-top: 40px;
                gap: 30px;
                transition: var(--transition);
                border-top: 1px solid #eee;
            }

            .nav-menu.active { left: 0; }
            
            .nav-cta {
                flex-direction: column;
                gap: 15px;
                width: 100%;
                padding: 0 20px;
            }

            .mobile-toggle { display: block; }

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

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

            .floating-cta {
                bottom: 10px;
                right: 10px;
                gap: 8px;
            }
            
            .floating-cta .fab-btn {
                width: 45px;
                height: 45px;
            }
        }