:root {
            --primary-green: #2e7d32;
            --dark-green: #1b5e20;
            --light-green: #81c784;
            --orange: #fb8c00;
            --dark-orange: #e65100;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: #333;
            overflow-x: hidden;
        }
        
        /* Header Styles */
        .navbar {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            padding: 15px 0;
            transition: all 0.3s ease;
        }
        
        .navbar.scrolled {
            padding: 10px 0;
            background-color: rgba(255,255,255,0.95);
        }
        
        .navbar-brand img {
            height: 50px;
            transition: all 0.3s ease;
        }
        
        .nav-link {
            color: var(--primary-green) !important;
            font-weight: 500;
            margin: 0 10px;
            position: relative;
        }
        
        .nav-link:hover {
            color: var(--dark-green) !important;
        }
        
        .nav-link:after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background: var(--orange);
            bottom: 0;
            left: 0;
            transition: width 0.3s ease;
        }
        
        .nav-link:hover:after {
            width: 100%;
        }
        
        .btn-orange {
            background-color: var(--orange);
            color: white;
            border: none;
            padding: 10px 25px;
            border-radius: 50px;
            font-weight: 600;
            transition: all 0.3s ease;
        }
        
        .btn-orange:hover {
            background-color: var(--dark-orange);
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(251, 140, 0, 0.3);
        }
        
        /* Hero Banner */
        .hero-banner {
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1509391366360-2e959784a276?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            padding: 120px 0;
            position: relative;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
        }
        
        .hero-banner h1 {
            font-size: 3.5rem;
            font-weight: 700;
            margin-bottom: 20px;
        }
        
        .hero-banner p {
            font-size: 1.2rem;
            margin-bottom: 30px;
        }
        
        .stats-card {
            background-color: rgba(255,255,255,0.9);
            border-radius: 10px;
            padding: 20px;
            color: #333;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .stats-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.2);
        }
        
        .stats-card i {
            font-size: 2.5rem;
            color: var(--orange);
            margin-bottom: 15px;
        }
        
        /* Benefits Section */
        .benefits-section {
            padding: 80px 0;
            background-color: #f9f9f9;
        }
        
        .section-title {
            color: var(--primary-green);
            position: relative;
            margin-bottom: 50px;
            text-align: center;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            width: 80px;
            height: 3px;
            background: var(--orange);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }
        
        .benefit-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
            text-align: center;
        }
        
        .benefit-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .benefit-card i {
            font-size: 3rem;
            color: var(--orange);
            margin-bottom: 20px;
        }
        
        /* Subsidy Section */
        .subsidy-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
            color: white;
        }
        
        .subsidy-table {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .subsidy-table thead {
            background-color: var(--orange);
            color: white;
        }
        
        .subsidy-table th, .subsidy-table td {
            padding: 15px;
            text-align: center;
        }
        
        .subsidy-table tbody tr:nth-child(even) {
            background-color: #f9f9f9;
        }
        
        /* Featured System */
        .featured-system {
            padding: 80px 0;
            background-color: white;
        }
        
        .system-card {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
        }
        
        .system-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.15);
        }
        
        .system-img {
            height: 200px;
            background: url('https://images.unsplash.com/photo-1508514177221-188b1cf16e9d?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2072&q=80');
            background-size: cover;
            background-position: center;
        }
        
        .system-body {
            padding: 30px;
        }
        
        .system-price {
            font-size: 2rem;
            font-weight: 700;
            color: var(--primary-green);
        }
        
        .system-savings {
            color: var(--orange);
            font-weight: 600;
        }
        
        /* Solutions Section */
        .solutions-section {
            padding: 80px 0;
            background-color: #f9f9f9;
        }
        
        .solution-card {
            background: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .solution-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }
        
        .solution-img {
            height: 200px;
            background-size: cover;
            background-position: center;
        }
        
        .residential {
            background-image: url('https://images.unsplash.com/photo-1600585154340-be6161a56a0c?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
        }
        
        .commercial {
            background-image: url('https://images.unsplash.com/photo-1497366811353-6870744d04b2?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2069&q=80');
        }
        
        .industrial {
            background-image: url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
        }
        
        /* Testimonials */
        .testimonials-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-green), var(--dark-green));
            color: white;
        }
        
        .testimonial-card {
            background: white;
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            color: #333;
            transition: all 0.3s ease;
            height: 100%;
        }
        
        .testimonial-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.2);
        }
        
        .testimonial-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--orange);
            margin-bottom: 20px;
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 20px;
        }
        
        .testimonial-author {
            font-weight: 600;
            color: var(--primary-green);
        }
        
        .testimonial-location {
            color: var(--orange);
            font-size: 0.9rem;
        }
        
        /* Contact Form */
        .contact-section {
            padding: 80px 0;
            background-color: white;
        }
        
        .contact-form {
            background: white;
            border-radius: 10px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        
        .form-control {
            height: 50px;
            border-radius: 5px;
            border: 1px solid #ddd;
            margin-bottom: 20px;
        }
        
        .form-control:focus {
            box-shadow: none;
            border-color: var(--orange);
        }
        
        textarea.form-control {
            height: auto;
            resize: none;
        }
        
        /* Footer */
        .footer {
            background-color: #222;
            color: white;
            padding: 60px 0 0;
        }
        
        .footer-logo img {
            height: 60px;
            margin-bottom: 20px;
        }
        
        .footer-about p {
            color: #bbb;
            margin-bottom: 20px;
        }
        
        .footer-links h4, .footer-services h4, .footer-contact h4 {
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        
        .footer-links h4:after, .footer-services h4:after, .footer-contact h4:after {
            content: '';
            position: absolute;
            width: 50px;
            height: 2px;
            background: var(--orange);
            bottom: 0;
            left: 0;
        }
        
        .footer-links ul, .footer-services ul {
            list-style: none;
            padding: 0;
        }
        
        .footer-links li, .footer-services li {
            margin-bottom: 10px;
        }
        
        .footer-links a, .footer-services a {
            color: #bbb;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        
        .footer-links a:hover, .footer-services a:hover {
            color: var(--orange);
            padding-left: 5px;
        }
        
        .footer-contact p {
            color: #bbb;
            margin-bottom: 15px;
        }
        
        .footer-contact i {
            color: var(--orange);
            margin-right: 10px;
            width: 20px;
            text-align: center;
        }
        
        .footer-social a {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: #333;
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            margin-right: 10px;
            transition: all 0.3s ease;
        }
        
        .footer-social a:hover {
            background: var(--orange);
            transform: translateY(-3px);
        }
        
        .footer-bottom {
            background-color: #111;
            padding: 20px 0;
            margin-top: 40px;
        }
        
        .footer-bottom p {
            color: #bbb;
            margin: 0;
        }
        
        /* Animations */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s ease;
        }
        
        .animate-on-scroll.animated {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .hero-banner h1 {
                font-size: 2.8rem;
            }
            
            .hero-banner p {
                font-size: 1.1rem;
            }
        }
        
        @media (max-width: 768px) {
            .hero-banner {
                padding: 80px 0;
            }
            
            .hero-banner h1 {
                font-size: 2.2rem;
            }
            
            .section-title {
                font-size: 1.8rem;
            }
            
            .footer {
                text-align: center;
            }
            
            .footer-links h4:after, .footer-services h4:after, .footer-contact h4:after {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        
        @media (max-width: 576px) {
            .hero-banner {
                padding: 125px 0;
            }
            
            .hero-banner h1 {
                font-size: 1.8rem;
            }
            
            .navbar-brand img {
                height: 40px;
            }
            
            .contact-form {
                padding: 20px;
            }
        }