
        /* --- CSS VARIABLES --- */
        :root {
            --primary: #2C3E50; /* Charcoal Slate */
            --accent: #556B2F; /* Dark Olive/Sage */
            --accent-light: #8FBC8F; /* Light Sage */
            --bg-light: #Fdfdfd;
            --bg-offset: #f4f4f4;
            --text-main: #333333;
            --text-muted: #666666;
            --white: #ffffff;
            --shadow: 0 10px 30px rgba(0,0,0,0.08);
            --border-radius: 0px; /* Sharp corners for architectural look */
        }

        /* --- RESET & BASE --- */
        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        
        body {
            font-family: 'DM Sans', sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            overflow-x: hidden;
            line-height: 1.7;
        }

        h1, h2, h3, h4 {
            font-family: 'Playfair Display', serif;
            color: var(--primary);
            font-weight: 700;
        }

        p { margin-bottom: 1.5rem; color: var(--text-muted); }
        
        a { text-decoration: none; color: inherit; transition: 0.3s; }
        
        ul { list-style: none; }

        img { width: 100%; display: block; height: auto; object-fit: cover; }

        /* --- UTILITIES --- */
        .container {
            width: 90%;
            max-width: 1300px;
            margin: 0 auto;
            padding: 0 15px;
        }

        .btn {
            display: inline-block;
            padding: 14px 35px;
            font-family: 'DM Sans', sans-serif;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--white);
        }

        .btn-primary:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(85, 107, 47, 0.3);
        }

        .btn-outline {
            border: 2px solid var(--white);
            color: var(--white);
            background: transparent;
        }

        .btn-outline:hover {
            background: var(--white);
            color: var(--primary);
        }

        .section-header {
            margin-bottom: 3rem;
            position: relative;
            display: inline-block;
        }

        .section-header h2 {
            font-size: 2.8rem;
            margin-bottom: 0.5rem;
        }

        .section-header::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -10px;
            width: 60px;
            height: 4px;
            background: var(--accent);
        }

        /* --- HEADER --- */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            padding: 1.2rem 0;
            transition: 0.3s;
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'Playfair Display', serif;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo span { color: var(--accent); }

        .nav-links {
            display: flex;
            gap: 30px;
            align-items: center;
        }

        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--primary);
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: -4px;
            left: 0;
            background-color: var(--accent);
            transition: 0.3s;
        }

        .nav-links a:hover::after { width: 100%; }

        .hamburger { display: none; font-size: 1.5rem; cursor: pointer; }

        /* --- HERO SECTION (Asymmetrical) --- */
        .hero {
            position: relative;
            height: 90vh;
            display: flex;
            align-items: center;
            padding-top: 80px;
            background: linear-gradient(90deg, #2C3E50 0%, #34495e 100%);
            color: var(--white);
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 50%;
            height: 100%;
            background: url('../images/hero.webp') no-repeat center center/cover;
            clip-path: polygon(15% 0, 100% 0, 100% 100%, 0% 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
           
            padding-right: 50px;
        }

        .hero h1 {
            color: var(--white);
            font-size: 3.5rem;
            line-height: 1.1;
            margin-bottom: 1.5rem;
        }

        .hero p {
            color: rgba(255,255,255,0.9);
            font-size: 1.1rem;
            margin-bottom: 2rem;
            max-width: 600px;
        }

        .trust-tags {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .tag {
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.2);
            padding: 8px 16px;
            font-size: 0.8rem;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        /* --- ABOUT (Split & Offset) --- */
        .about { padding: 6rem 0; background: var(--bg-light); }
        
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 4rem;
            align-items: center;
        }

        .about-img-wrapper {
            position: relative;
        }

        .about-img-wrapper img {
            border-radius: 4px;
            box-shadow: var(--shadow);
        }

        .about-img-wrapper::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 50%;
            height: 80%;
            border: 4px solid var(--accent);
            z-index: -1;
        }

        .mission-box {
            margin-top: 2rem;
            background: var(--bg-offset);
            padding: 2rem;
            border-left: 4px solid var(--accent);
        }

        /* --- SERVICES (Bento Grid Style) --- */
        .services { padding: 6rem 0; background: var(--primary); color: var(--white); }
        .services h2 { color: var(--white); }
        .services p { color: rgba(255,255,255,0.7); }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-template-rows: auto auto;
            gap: 20px;
            margin-top: 3rem;
        }

        .service-card {
            background: rgba(255,255,255,0.05);
            padding: 2rem;
            border: 1px solid rgba(255,255,255,0.1);
            transition: 0.3s;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
        }

        .service-card:hover {
            background: var(--white);
        }
        
        .service-card:hover h3, .service-card:hover li, .service-card:hover p {
            color: var(--primary);
        }

        .service-card span {
            font-size: 2.5rem;
            margin-bottom: 1rem;
            display: block;
        }

        .service-card ul li {
            font-size: 0.9rem;
            margin-bottom: 8px;
            position: relative;
            padding-left: 15px;
        }

        .service-card ul li::before {
            content: '•';
            color: var(--accent-light);
            position: absolute;
            left: 0;
        }

        /* Grid Spans for Visual Interest */
        .span-2 { grid-column: span 2; }

        /* --- WHY CHOOSE US (Icon Row) --- */
        .why-us { padding: 5rem 0; text-align: center; background: var(--bg-light); }
        
        .features-row {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 3rem;
        }

        .feature-item {
            flex: 1 1 200px;
            padding: 20px;
            transition: 0.3s;
        }

        .feature-item:hover { transform: translateY(-5px); }
        
        .feature-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 1rem;
        }

        /* --- WARRANTY (Dark Contrast) --- */
        .warranty {
            background: var(--accent);
            padding: 5rem 0;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        
        .warranty-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .warranty h2 { color: var(--white); }
        .warranty p { color: rgba(255,255,255,0.9); }

        .benefits-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 20px;
        }

        .benefit {
            background: rgba(255,255,255,0.15);
            padding: 10px;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* --- TESTIMONIALS (Horizontal Scroll) --- */
        .testimonials {
            padding: 5rem 0;
            background: var(--white);
            overflow: hidden;
        }

        .testimonial-scroller {
            display: flex;
            gap: 30px;
            overflow-x: auto;
            padding-bottom: 30px;
            scrollbar-width: none; /* Firefox */
        }
        
        .testimonial-scroller::-webkit-scrollbar { display: none; }

        .testimonial-card {
            min-width: 350px;
            background: var(--bg-offset);
            padding: 2rem;
            border-radius: 8px;
            position: relative;
        }

        .stars { color: #f1c40f; margin-bottom: 15px; letter-spacing: 2px; }

        /* --- CONTACT & FORM (Split Screen) --- */
        .contact-section {
            padding: 6rem 0;
            background: var(--bg-light);
        }

        .split-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: var(--white);
            box-shadow: var(--shadow);
            border-radius: 8px;
            overflow: hidden;
        }

        .contact-info {
            background: var(--primary);
            color: var(--white);
            padding: 4rem;
        }

        .contact-info h3 { color: var(--white); margin-bottom: 2rem; }
        .contact-info p { color: rgba(255,255,255,0.8); margin-bottom: 1rem; }
        
        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 1.5rem;
        }

        .form-wrapper {
            padding: 4rem;
        }

        .form-group { margin-bottom: 1.5rem; }

        .form-control {
            width: 100%;
            padding: 12px 0;
            border: none;
            border-bottom: 1px solid #ddd;
            background: transparent;
            font-family: 'DM Sans', sans-serif;
            font-size: 1rem;
            transition: 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-bottom-color: var(--accent);
        }

        textarea.form-control { resize: vertical; min-height: 100px; }

        label {
            display: block;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 5px;
        }

        /* --- NEWSLETTER --- */
        .newsletter {
            background: url('../images/warranty.jpg') fixed center/cover;
            position: relative;
            padding: 5rem 0;
            text-align: center;
        }

        .newsletter-overlay {
            position: absolute;
            inset: 0;
            background: rgba(44, 62, 80, 0.9);
        }

        .newsletter-content {
            position: relative;
            z-index: 2;
            color: var(--white);
            max-width: 600px;
            margin: 0 auto;
        }
        
        .newsletter-content h2 { color: var(--white); }
        
        .newsletter-form {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-top: 2rem;
        }
        
        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            justify-content: center;
            cursor: pointer;
        }

        /* --- FOOTER --- */
        footer {
            background: #222;
            color: #888;
            padding: 4rem 0 1rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 3rem;
        }

        .footer-col h4 { color: var(--white); margin-bottom: 1.5rem; font-family: 'DM Sans', sans-serif; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col a:hover { color: var(--accent); }

        .footer-bottom {
            text-align: center;
            border-top: 1px solid #333;
            padding-top: 2rem;
        }

        /* --- ANIMATIONS --- */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: 0.8s ease-out;
        }
        
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 992px) {
            .hero { height: auto; padding: 150px 0 80px; text-align: center; }
            .hero::before { display: none; }
            .hero-content { width: 100%; padding: 0; }
            .trust-tags { justify-content: center; }
            
            .about-grid, .warranty-content, .split-layout, .footer-grid { grid-template-columns: 1fr; }
            
            .service-grid { grid-template-columns: 1fr 1fr; }
            
            .contact-info, .form-wrapper { padding: 2rem; }
            
            .hamburger { display: block; }
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid #eee;
                display: none;
            }
            .nav-links.active { display: flex; }
        }

        @media (max-width: 576px) {
            .service-grid { grid-template-columns: 1fr; }
            .hero h1 { font-size: 2.5rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* Modal Background */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
}

/* Modal Box */
.modal-content {
  background: #fff;
  padding: 20px;
  max-width: 600px;
  margin: 10% auto;
  border-radius: 6px;
  position: relative;
}

/* Close Button */
.close {
  position: absolute;
  top: 10px;
  right: 15px;
  font-size: 22px;
  cursor: pointer;
}

.modal-content h2 {
  margin-top: 0;
}
    