/* --- CSS VARIABLES & RESET --- */
    :root {
    --primary: #0f766e; /* Teal */
    --secondary: #fb7185; /* Coral */
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --bg-light: #f0fdfa;
    --white: #ffffff;
    --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

        html {
            scroll-behavior: smooth;
        }

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

        h1, h2, h3, h4 {
            font-family: 'Playfair Display', serif;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        p { margin-bottom: 1rem; color: var(--text-light); }
        a { text-decoration: none; transition: var(--transition); }
        ul { list-style: none; }
        img { max-width: 100%; display: block; height: auto; }

        /* --- UTILITIES --- */
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .section-padding { padding: 80px 0; }
        .text-center { text-align: center; }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: 4px;
            font-weight: 700;
            cursor: pointer;
            border: none;
            text-transform: uppercase;
            font-size: 0.9rem;
            letter-spacing: 1px;
            transition: var(--transition);
        }

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

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

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

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

        /* --- HEADER --- */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: var(--white);
            box-shadow: 0 2px 15px rgba(0,0,0,0.05);
            z-index: 1000;
            padding: 15px 0;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .nav-link {
            font-weight: 600;
            color: var(--text-dark);
            font-size: 0.95rem;
            position: relative;
        }

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

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

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

        /* --- HERO SECTION --- */
        .hero {
            position: relative;
            height: 90vh;
            min-height: 600px;
            background: linear-gradient(rgba(15, 118, 110, 0.85), rgba(15, 118, 110, 0.7)),
                        url('../images/hero.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            color: var(--white);
            margin-top: 0;
        }

        .hero-content {
            max-width: 800px;
            padding: 20px;
        }

        .hero h1 {
            color: var(--white);
            font-size: 3.5rem;
            line-height: 1.1;
            margin-bottom: 20px;
        }

        .hero p {
            color: #e5e7eb;
            font-size: 1.2rem;
            margin-bottom: 30px;
        }

        .trust-badges {
            display: flex;
            gap: 20px;
            margin-bottom: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fbbf24;
        }

        .hero-btns { display: flex; gap: 15px; }

        /* --- ABOUT US --- */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-img img { border-radius: var(--border-radius); box-shadow: var(--shadow); }

        .promise-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 20px;
        }

        .promise-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--primary);
        }

        /* --- SERVICES --- */
        .services { background-color: var(--bg-light); }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .service-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
            border-top: 4px solid var(--secondary);
        }

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

        .service-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 15px;
        }

        .service-list li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 20px;
            font-size: 0.95rem;
        }

        .service-list li::before {
            content: '•';
            color: var(--secondary);
            position: absolute;
            left: 0;
            font-weight: bold;
        }

        /* --- WHY CHOOSE US --- */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .why-item {
            background: var(--white);
            padding: 25px;
            border: 1px solid #e5e7eb;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }

        .why-item:hover { border-color: var(--secondary); background: #fffbeb; }

        /* --- WARRANTY --- */
        .warranty {
            background-color: var(--primary);
            color: var(--white);
        }

        .warranty h2, .warranty p { color: var(--white); }

        .warranty-box {
            background: rgba(255,255,255,0.1);
            padding: 40px;
            border-radius: var(--border-radius);
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .warranty-list {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin: 30px 0;
        }

        /* --- TESTIMONIALS --- */
        .testimonials { background-color: var(--bg-light); }

        .testimonial-slider {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            text-align: center;
        }

        .stars { color: #f59e0b; margin-bottom: 15px; }

        /* --- CONTACT & QUOTE --- */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 50px;
            box-shadow: var(--shadow);
            border-radius: var(--border-radius);
            overflow: hidden;
            background: var(--white);
        }

        .contact-info {
            background: var(--primary);
            color: var(--white);
            padding: 40px;
        }
        .contact-info p { color: #e5e7eb; }
        .contact-info h3 { color: var(--white); margin-top: 20px;}

        .form-section { padding: 40px; }

        .form-group { margin-bottom: 20px; }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 1px solid #d1d5db;
            border-radius: 4px;
            font-family: 'Lato', sans-serif;
        }

        .form-control:focus { outline: 2px solid var(--secondary); border-color: transparent; }

        /* --- FOOTER --- */
        footer {
            background: #111827;
            color: #d1d5db;
            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; font-family: 'Lato', sans-serif; text-transform: uppercase; letter-spacing: 1px; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a:hover { color: var(--secondary); padding-left: 5px; }

        .social-icons a {
            display: inline-flex;
            width: 35px; height: 35px;
            background: rgba(255,255,255,0.1);
            justify-content: center;
            align-items: center;
            border-radius: 50%;
            margin-right: 10px;
            transition: var(--transition);
        }

        .social-icons a:hover { background: var(--secondary); color: var(--white); }

        /* --- MODALS & POPUPS --- */
        .modal-overlay {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0; top: 0;
            width: 100%; height: 100%;
            background-color: rgba(0,0,0,0.7);
            padding: 20px;
            overflow-y: auto;
            backdrop-filter: blur(5px);
            animation: fadeIn 0.3s ease;
        }

        .modal-content {
            background-color: var(--white);
            margin: 5% auto;
            padding: 40px;
            border-radius: 8px;
            max-width: 600px;
            position: relative;
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
            animation: slideUp 0.4s ease;
        }

        .close-modal {
            position: absolute;
            top: 15px; right: 20px;
            font-size: 28px;
            cursor: pointer;
            color: var(--text-light);
        }

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

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

        /* --- ANIMATIONS --- */
        .reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s ease; }
        .reveal.active { opacity: 1; transform: translateY(0); }

        .success-message {
            display: none;
            background: #d1fae5;
            color: #065f46;
            padding: 15px;
            border-radius: 4px;
            border: 1px solid #a7f3d0;
            text-align: center;
            margin-top: 10px;
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .hamburger { display: block; }
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%; left: 0;
                width: 100%; background: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 10px rgba(0,0,0,0.1);
            }
            .nav-menu.active { display: flex; }
            .about-grid, .contact-wrapper { grid-template-columns: 1fr; }
            .warranty-list { flex-direction: column; align-items: center; }
        }