* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        :root {
            --primary: #0066cc;
            --secondary: #00b4d8;
            --accent: #ffd60a;
            --dark: #03045e;
            --light: #caf0f8;
            --white: #ffffff;
            --gray: #6c757d;
        }
        
        body {
            font-family: 'Arial', 'Helvetica', sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }
        
        /* Header */
        header {
            background: rgba(3, 4, 94, 0.95);
            backdrop-filter: blur(10px);
            padding: 1.5rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 20px rgba(0,0,0,0.2);
        }
        
        nav {
            max-width: 1400px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 3rem;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .nav-menu {
            display: flex;
            gap: 3rem;
            list-style: none;
        }
        
        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s;
            position: relative;
        }
        
        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s;
        }
        
        .nav-menu a:hover::after {
            width: 100%;
        }
        
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        
        .hamburger span {
            width: 30px;
            height: 3px;
            background: white;
            transition: all 0.3s;
            border-radius: 3px;
        }
        
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(8px, 8px);
        }
        
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(7px, -7px);
        }
        
        /* Hero */
        .hero {
            background: linear-gradient(135deg, #03045e 0%, #0077b6 100%);
            padding: 180px 3rem 120px;
            position: relative;
            overflow: hidden;
        }
        
        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffd60a" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
            background-size: cover;
            opacity: 0.3;
        }
        
        .hero-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
        }
        
        .hero-text h1 {
            font-size: 3.5rem;
            color: white;
            margin-bottom: 1.5rem;
            line-height: 1.2;
        }
        
        .hero-text .highlight {
            color: var(--accent);
            font-size: 4rem;
        }
        
        .hero-text p {
            font-size: 1.3rem;
            color: var(--light);
            margin-bottom: 2rem;
        }
        
        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            flex-wrap: wrap;
        }
        
        .btn-primary {
            background: var(--accent);
            color: var(--dark);
            padding: 1.2rem 3rem;
            text-decoration: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            transition: all 0.3s;
            box-shadow: 0 8px 25px rgba(255, 214, 10, 0.3);
        }
        
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 35px rgba(255, 214, 10, 0.4);
        }
        
        .btn-secondary {
            background: transparent;
            color: white;
            padding: 1.2rem 3rem;
            text-decoration: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: bold;
            border: 2px solid white;
            transition: all 0.3s;
        }
        
        .btn-secondary:hover {
            background: white;
            color: var(--dark);
        }
        
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .stat-item {
            text-align: center;
        }
        
        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent);
        }
        
        .stat-label {
            color: var(--light);
            font-size: 0.9rem;
        }
        
        .hero-image {
            position: relative;
            animation: float 6s ease-in-out infinite;
        }
        
        .solar-circle {
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 20px 60px rgba(255, 214, 10, 0.4);
            font-size: 8rem;
        }
        
        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-20px); }
        }
        
        /* Features */
        .features {
            padding: 100px 3rem;
            background: white;
        }
        
        .container {
            max-width: 1400px;
            margin: 0 auto;
        }
        
        .section-header {
            text-align: center;
            margin-bottom: 4rem;
        }
        
        .section-header h2 {
            font-size: 3rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        
        .section-header p {
            font-size: 1.2rem;
            color: var(--gray);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
        }
        
        .feature-box {
            background: linear-gradient(135deg, #f8f9fa 0%, white 100%);
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.08);
            transition: all 0.3s;
            border: 2px solid transparent;
        }
        
        .feature-box:hover {
            transform: translateY(-10px);
            border-color: var(--primary);
            box-shadow: 0 15px 40px rgba(0,102,204,0.15);
        }
        
        .feature-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 8px 20px rgba(0,102,204,0.2);
        }
        
        .feature-box h3 {
            font-size: 1.5rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        
        .feature-box p {
            color: var(--gray);
            line-height: 1.8;
        }
        
        /* Carousel Products */
        .products-section {
            padding: 100px 3rem;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }

        .product-img
        {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 10px 0;
        }
        
        .carousel-container {
            max-width: 1400px;
            margin: 4rem auto 0;
            position: relative;
        }
        
        .carousel-wrapper {
            overflow: hidden;
            padding: 2rem 0;
        }
        
        .carousel-track {
            display: flex;
            gap: 2rem;
        }
        
        .carousel-track.transitioning {
            transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        
        .product-item {
            min-width: 350px;
            flex-shrink: 0;
            background: white;
            border-radius: 25px;
            overflow: hidden;
            box-shadow: 0 15px 40px rgba(0,0,0,0.1);
            transition: all 0.3s;
        }
        
        .product-item:hover {
            transform: scale(1.05);
            box-shadow: 0 20px 50px rgba(0,0,0,0.15);
        }
        
        .product-image {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 3rem;
            text-align: center;
            font-size: 5rem;
        }
        
        .product-content {
            padding: 2rem;
        }
        
        .product-badge {
            display: inline-block;
            background: var(--accent);
            color: var(--dark);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: bold;
            margin-bottom: 1rem;
        }
        
        .product-item h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 1rem;
        }
        
        .product-item p {
            color: var(--gray);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }
        
        .product-features {
            list-style: none;
            margin-bottom: 1.5rem;
        }
        
        .product-features li {
           
            color: var(--gray);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }
        
        .product-features li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
            font-size: 1.2rem;
        }
        
        .product-price {
            font-size: 2.5rem;
            color: var(--primary);
            font-weight: bold;
            margin-bottom: 1rem;
        }
        
        .product-price span {
            font-size: 1rem;
            color: var(--gray);
            font-weight: normal;
        }
        
        .carousel-controls {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 3rem;
        }
        
        .carousel-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--primary);
            color: white;
            border: none;
            font-size: 1.8rem;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(0,102,204,0.3);
        }
        
        .carousel-btn:hover {
            background: var(--dark);
            transform: scale(1.1);
        }
        
        .carousel-indicators {
            display: flex;
            justify-content: center;
            gap: 0.8rem;
            margin-top: 2rem;
        }
        
        .indicator {
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: #ddd;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .indicator.active {
            background: var(--primary);
            width: 40px;
            border-radius: 10px;
        }
        
        /* Testimonials */
        .testimonials {
            padding: 100px 3rem;
            background: var(--dark);
            color: white;
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }
        
        .testimonial-card {
            background: rgba(255,255,255,0.1);
            backdrop-filter: blur(10px);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid rgba(255,255,255,0.2);
            transition: all 0.3s;
        }
        
        .testimonial-card:hover {
            background: rgba(255,255,255,0.15);
            transform: translateY(-5px);
        }
        
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .testimonial-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: bold;
            color: var(--dark);
        }
        
        .testimonial-info h4 {
            font-size: 1.2rem;
        }
        
        .testimonial-info p {
            color: var(--light);
            font-size: 0.9rem;
        }
        
        .stars {
            color: var(--accent);
            margin-bottom: 1rem;
        }
        
        /* Contact */
        .contact-section {
            padding: 100px 3rem;
            background: white;
        }
        
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            margin-top: 4rem;
        }
        
        .contact-box {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            padding: 3rem;
            border-radius: 25px;
            text-align: center;
            color: white;
            transition: all 0.3s;
            box-shadow: 0 10px 30px rgba(0,102,204,0.2);
        }
        
        .contact-box:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 40px rgba(0,102,204,0.3);
        }
        
        .contact-icon {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
        }
        
        .contact-box h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
        }
        
        .contact-info {
            font-size: 1.5rem;
            font-weight: bold;
            margin: 1.5rem 0;
        }
        
        .contact-btn {
            display: inline-block;
            background: white;
            color: var(--primary);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 1rem;
            transition: all 0.3s;
        }
        
        .contact-btn:hover {
            background: var(--accent);
            color: var(--dark);
            transform: scale(1.05);
        }
        
        /* Responsive */
        @media (max-width: 968px) {
            .hamburger {
                display: flex;
            }
            
            .nav-menu {
                position: fixed;
                left: -100%;
                top: 80px;
                flex-direction: column;
                background: var(--dark);
                width: 100%;
                text-align: center;
                transition: left 0.3s;
                padding: 2rem 0;
                gap: 0;
            }
            
            .nav-menu.active {
                left: 0;
            }
            
            .nav-menu li {
                padding: 1.5rem 0;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }
            
            .hero-text h1 {
                font-size: 2.5rem;
            }
            
            .hero-text .highlight {
                font-size: 3rem;
            }
            
            .solar-circle {
                width: 300px;
                height: 300px;
                font-size: 6rem;
                margin: 0 auto;
            }
            
            .hero-buttons {
                justify-content: center;
            }
            
            .product-item {
                min-width: 300px;
            }
        }