/* --- CSS VARIABLES & RESET --- */
     :root {
    --primary: #16a34a; /* Green */
    --primary-dark: #065f46;
    --secondary: #22d3ee; /* Teal */
    --accent: #84cc16; /* Lime */
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --bg-light: #ecfdf5;
    --white: #ffffff;
    --shadow: 0 10px 15px -3px 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: 'Inter', sans-serif; color: var(--text-dark); background-color: var(--white); line-height: 1.6; overflow-x: hidden; }
        h1, h2, h3, h4 { font-family: 'Playfair Display', serif; color: var(--text-dark); margin-bottom: 1rem; }
        p { color: var(--text-gray); margin-bottom: 1rem; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        ul { list-style: none; }
        img { max-width: 100%; display: block; }
        input, textarea, select { font-family: 'Inter', sans-serif; }

        /* --- UTILITIES --- */
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section-padding { padding: 80px 0; }
        .text-center { text-align: center; }
        .flex { display: flex; }
        .items-center { align-items: center; }
        .justify-between { justify-content: space-between; }
        .grid { display: grid; }
        
        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-size: 1rem;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .btn-primary { background-color: var(--secondary); color: var(--white); }
        .btn-primary:hover { background-color: var(--primary-dark); transform: translateY(-2px); }
        .btn-accent { background-color: var(--accent); color: var(--white); }
        .btn-accent:hover { background-color: #16a34a; transform: translateY(-2px); }

        /* --- HEADER --- */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 1.5rem; font-weight: 700; color: var(--primary); display: flex; align-items: center; gap: 10px; }
        .logo span { color: var(--accent); }
        
        .nav-menu { display: flex; gap: 25px; align-items: center; }
        .nav-link { font-weight: 500; color: var(--text-dark); font-size: 0.95rem; }
        .nav-link:hover { color: var(--primary); }
        
        /* Animated Pulse CTA */
        .cta-pulse {
            animation: pulse-animation 2s infinite;
        }
        @keyframes pulse-animation {
            0% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(249, 115, 22, 0); }
            100% { box-shadow: 0 0 0 0 rgba(249, 115, 22, 0); }
        }

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

        /* --- HERO SECTION --- */
        .hero {
            background: linear-gradient(rgba(30, 41, 59, 0.85), rgba(30, 41, 59, 0.7)), url('../images/hero.webp');
            background-size: cover;
            background-position: center;
            color: var(--white);
            padding: 140px 0;
            position: relative;
        }
        .hero-content { max-width: 800px; margin: 0 auto; text-align: center; color: #fff;}
        
        /* Slide Up Animation */
        .slide-up { opacity: 0; transform: translateY(30px); animation: slideUp 1s forwards 0.5s; }
        @keyframes slideUp { to { opacity: 1; transform: translateY(0); } }
        
        /* Fade In Animation */
        .fade-in { opacity: 0; animation: fadeIn 1.5s forwards 1s; }
        @keyframes fadeIn { to { opacity: 1; } }

        /* Icon Bounce */
        .highlight-icons { display: flex; justify-content: center; gap: 30px; margin: 40px 0; flex-wrap: wrap; }
        .highlight-item { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.1rem; }
        .highlight-item i { color: var(--accent); animation: bounce 2s infinite; }
        @keyframes bounce { 0%, 20%, 50%, 80%, 100% {transform: translateY(0);} 40% {transform: translateY(-10px);} 60% {transform: translateY(-5px);} }

        /* --- ABOUT US --- */
        .about-content { max-width: 900px; margin: 0 auto; text-align: center; }
        
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }
        .stat-item { text-align: center; }
        .stat-number { font-size: 2.5rem; font-weight: 700; color: var(--primary); display: block; margin-bottom: 5px; }
        .stat-label { font-size: 0.9rem; color: var(--text-gray); }

        /* --- 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: 12px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        /* Hover Lift Animation */
        .service-card:hover { transform: translateY(-10px); box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); }
        .service-icon { font-size: 2rem; color: var(--secondary); margin-bottom: 15px; }

        /* --- WHY CHOOSE US --- */
        .why-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        .why-card {
            text-align: center;
            padding: 30px;
            background: var(--white);
            border-radius: 12px;
            border: 1px solid #e2e8f0;
            opacity: 0; /* JS Fade In target */
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }
        .why-card.visible { opacity: 1; transform: translateY(0); }
        .why-icon { font-size: 2.5rem; color: var(--accent); margin-bottom: 20px; }

        /* --- HOME WARRANTY --- */
        .warranty { background: #fff7ed; /* Light orange tint */ border-top: 4px solid var(--accent); }
        .warranty-content { max-width: 800px; margin: 0 auto; text-align: center; }
        .warranty-checks { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; margin: 30px 0; }
        .check-item { display: flex; align-items: center; gap: 10px; font-weight: 600; }
        .check-item i { color: var(--accent); }

        /* --- TESTIMONIALS --- */
        .testimonials { background: var(--bg-light); }
        .testimonial-slider {
            max-width: 800px;
            margin: 50px auto 0;
            overflow: hidden;
            position: relative;
            background: var(--white);
            padding: 40px;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .testimonial-track {
            display: flex;
            transition: transform 0.5s ease-in-out;
        }
        .testimonial-slide {
            min-width: 100%;
            text-align: center;
            padding: 0 20px;
            /* Auto-slide animation */
            animation: fadeEffect 5s infinite;
        }
        .stars { color: #fbbf24; margin-bottom: 15px; font-size: 1.5rem; }
        .client-name { font-weight: 700; margin-top: 15px; display: block; }

        /* --- CONTACT & NEWSLETTER --- */
        .form-container { max-width: 600px; margin: 0 auto; background: var(--white); padding: 40px; border-radius: 12px; box-shadow: var(--shadow); }
        .form-group { margin-bottom: 20px; opacity: 0; transform: translateX(-20px); animation: slideInRight 0.5s forwards; }
        /* Stagger Animation */
        .form-group:nth-child(1) { animation-delay: 0.1s; }
        .form-group:nth-child(2) { animation-delay: 0.2s; }
        .form-group:nth-child(3) { animation-delay: 0.3s; }
        .form-group:nth-child(4) { animation-delay: 0.4s; }
        .form-group:nth-child(5) { animation-delay: 0.5s; }
        @keyframes slideInRight { to { opacity: 1; transform: translateX(0); } }
        
        .form-label { display: block; margin-bottom: 8px; font-weight: 500; }
        .form-control { width: 100%; padding: 12px; border: 1px solid #cbd5e1; border-radius: 6px; font-size: 1rem; }
        .form-control:focus { outline: none; border-color: var(--secondary); }
        textarea.form-control { resize: vertical; min-height: 120px; }

        .newsletter-section { background: var(--primary); color: var(--white); padding: 60px 20px; }
        .newsletter-box { max-width: 500px; margin: 0 auto; }
        .newsletter-form .form-control { background: rgba(255,255,255,0.1); border: none; color: white; }
        .newsletter-form .form-control::placeholder { color: rgba(255,255,255,0.7); }
        .newsletter-form .form-control:focus { background: rgba(255,255,255,0.2); }

        /* --- FOOTER --- */
        footer { background: #0f172a; color: #94a3b8; padding: 60px 0 20px; font-size: 0.9rem; }
        .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
        .footer-col h4 { color: var(--white); font-family: 'Inter', sans-serif; margin-bottom: 20px; font-size: 1.1rem; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a:hover { color: var(--accent); padding-left: 5px; }
        .footer-bottom { border-top: 1px solid #334155; padding-top: 20px; text-align: center; }
        .footer-up { opacity: 0; animation: slideUp 1s forwards; }

        /* --- MODALS --- */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0; top: 0;
            width: 100%; height: 100%;
            background-color: rgba(0,0,0,0.7);
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: opacity 0.3s;
        }
        .modal.open { display: flex; opacity: 1; }
        .modal-content {
            background-color: var(--white);
            padding: 40px;
            border-radius: 12px;
            width: 90%;
            max-width: 600px;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            transform: translateY(-20px);
            transition: transform 0.3s;
        }
        .modal.open .modal-content { transform: translateY(0); }
        .close-modal {
            position: absolute;
            top: 15px; right: 20px;
            font-size: 28px;
            cursor: pointer;
            color: #999;
        }
        .close-modal:hover { color: var(--accent); }

        /* --- TOAST --- */
        #toast {
            visibility: hidden;
            min-width: 300px;
            background-color: #333;
            color: #fff;
            text-align: center;
            border-radius: 8px;
            padding: 16px;
            position: fixed;
            z-index: 3000;
            left: 50%;
            bottom: 30px;
            transform: translateX(-50%);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
            opacity: 0;
            transition: opacity 0.5s, bottom 0.5s;
        }
        #toast.show { visibility: visible; opacity: 1; bottom: 50px; }
        #toast.success { background-color: var(--accent); }

        /* --- RESPONSIVE --- */
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px; left: -100%;
                width: 100%; height: 100vh;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                transition: 0.3s;
            }
            .nav-menu.active { left: 0; }
            .hamburger { display: block; }
            .hero h1 { font-size: 2.2rem; }
            .hero-btns { flex-direction: column; }
            .hero-btns .btn { width: 100%; }
            .form-group { opacity: 1; transform: none; } /* Disable animation on mobile for simplicity */
        }