/* --- CSS VARIABLES --- */
        :root {
            --primary-color: #0f172a; /* Deep Navy */
            --accent-color: #d97706; /* Amber/Gold */
            --light-bg: #f8fafc;
            --text-dark: #334155;
            --text-light: #94a3b8;
            --white: #ffffff;
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            color: var(--text-dark);
            line-height: 1.6;
            background-color: var(--white);
        }

        a { text-decoration: none; color: inherit; }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }

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

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 5px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            text-transform: uppercase;
            font-size: 0.9rem;
        }

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

        .btn-primary:hover {
            background-color: #b45309;
            transform: translateY(-2px);
        }

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

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

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            margin-bottom: 10px;
        }

        .section-title p {
            color: var(--text-dark);
            max-width: 600px;
            margin: 0 auto;
        }

        section {
            padding: 80px 0;
        }

        /* --- HEADER --- */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-color);
        }

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

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

        .nav-links a {
            font-weight: 500;
            color: var(--primary-color);
            transition: var(--transition);
        }

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

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

        /* --- HERO SECTION --- */
        .hero {
            background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1503387762-592deb58ef4e?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 150px 0 100px;
            text-align: center;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .hero-sub {
            font-size: 1.2rem;
            margin-bottom: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            color: #cbd5e1;
        }

        .hero-highlights {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .highlight-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
        }

        .highlight-item i { color: var(--accent-color); }

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

        /* --- ABOUT US --- */
        .about { background-color: var(--white); }
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        
        .about-text h3 { color: var(--accent-color); margin-bottom: 10px; }
        .mission-box {
            background-color: var(--light-bg);
            padding: 20px;
            border-left: 4px solid var(--accent-color);
            margin-top: 20px;
            font-style: italic;
        }

        .about-img img {
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        /* --- SERVICES --- */
        .services { background-color: var(--light-bg); }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .service-category {
            background: var(--white);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

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

        .service-category h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            border-bottom: 2px solid var(--accent-color);
            padding-bottom: 10px;
            display: inline-block;
        }

        .service-category ul li {
            padding: 8px 0;
            border-bottom: 1px solid #eee;
            color: var(--text-dark);
        }
        
        .service-category ul li:last-child { border: none; }
        .service-category ul li::before {
            content: "\f054";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent-color);
            margin-right: 10px;
            font-size: 0.8rem;
        }

        .services-cta { text-align: center; margin-top: 40px; }

        /* --- WHY CHOOSE US --- */
        .why-us { background-color: var(--white); }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }

        .feature-card {
            text-align: center;
            padding: 20px;
        }

        .feature-icon {
            font-size: 2.5rem;
            color: var(--accent-color);
            margin-bottom: 15px;
        }

        .feature-card h4 { margin-bottom: 10px; color: var(--primary-color); }

        /* --- WARRANTY --- */
        .warranty {
            background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('https://images.unsplash.com/photo-1560518883-ce09059eeffa?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
            background-size: cover;
            color: var(--white);
            text-align: center;
        }

        .warranty h2 { color: var(--white); margin-bottom: 20px; font-size: 2.5rem; }
        .warranty-content { max-width: 800px; margin: 0 auto; }
        .warranty-list {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin: 30px 0;
            flex-wrap: wrap;
        }
        .warranty-list span { font-size: 1.1rem; font-weight: 500; }
        .warranty-list i { color: var(--accent-color); margin-right: 5px; }

        /* --- TESTIMONIALS --- */
        .testimonials { background-color: var(--light-bg); }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            position: relative;
        }
        .testimonial-card i {
            color: #e2e8f0;
            font-size: 3rem;
            position: absolute;
            top: 20px;
            right: 20px;
        }
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        .client-name {
            font-weight: 700;
            color: var(--primary-color);
        }

        /* --- CONTACT & FORM --- */
        .contact { background-color: var(--white); }
        .form-container {
            max-width: 700px;
            margin: 0 auto;
            background: var(--light-bg);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.05);
        }

        .form-group { margin-bottom: 20px; }
        .form-group label { display: block; margin-bottom: 8px; font-weight: 500; }
        
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #cbd5e1;
            border-radius: 5px;
            font-family: inherit;
        }
        
        .form-control:focus { outline: 2px solid var(--accent-color); border-color: transparent; }

        .success-message {
            display: none;
            background-color: #d1fae5;
            color: #065f46;
            padding: 15px;
            border-radius: 5px;
            text-align: center;
            margin-top: 20px;
        }

        /* --- NEWSLETTER --- */
        .newsletter {
            background-color: var(--primary-color);
            color: var(--white);
            text-align: center;
            padding: 60px 0;
        }
        .newsletter-form {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 800px;
            margin: 30px auto 0;
        }
        .newsletter-form input {
            padding: 12px;
            border-radius: 5px;
            border: none;
            min-width: 250px;
        }
        .checkbox-group {
            width: 100%;
            margin-top: 10px;
            font-size: 0.9rem;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
        }

        /* --- FOOTER --- */
        footer {
            background-color: #020617;
            color: #94a3b8;
            padding: 60px 0 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 { color: var(--white); margin-bottom: 20px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a:hover { color: var(--accent-color); }
        .contact-info li { display: flex; gap: 10px; align-items: flex-start; }
        .social-icons a {
            font-size: 1.2rem;
            margin-right: 15px;
            color: var(--white);
            transition: var(--transition);
        }
        .social-icons a:hover { color: var(--accent-color); }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #1e293b;
        }

        /* --- MODAL (Privacy/Terms) --- */
        .modal {
            display: none; 
            position: fixed; 
            z-index: 2000; 
            left: 0;
            top: 0;
            width: 100%; 
            height: 100%; 
            overflow: auto; 
            background-color: rgba(0,0,0,0.6); 
        }
        .modal-content {
            background-color: #fefefe;
            margin: 10% auto; 
            padding: 40px;
            border: 1px solid #888;
            width: 80%; 
            max-width: 700px;
            border-radius: 8px;
            position: relative;
        }
        .close {
            color: #aaa;
            float: right;
            font-size: 28px;
            font-weight: bold;
            cursor: pointer;
        }
        .close:hover { color: black; }

        /* --- MOBILE RESPONSIVENESS --- */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; }
            .nav-links {
                position: absolute;
                top: 70px;
                right: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                display: none;
                box-shadow: 0 10px 10px rgba(0,0,0,0.1);
            }
            .nav-links.active { display: flex; }
            .mobile-toggle { display: block; }
            .about-content { grid-template-columns: 1fr; }
            .hero-buttons { flex-direction: column; }
            .newsletter-form { flex-direction: column; }
            .newsletter-form input { width: 100%; }
        }