:root {
            --primary: #2563eb;
            --primary-light: #3b82f6;
            --dark: #1e293b;
            --light: #f8fafc;
            --accent: #f59e0b;
            --highlight: #10b981;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        
        header {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: white;
            padding: 20px 0;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
        }
        
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            font-size: 28px;
            font-weight: 700;
            display: flex;
            align-items: center;
        }
        
        .logo img {
            height: 40px;
            margin-right: 10px;
        }
        
        .contact-info {
            display: flex;
            gap: 20px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        
        .hero {
            padding: 80px 0;
            text-align: center;
            background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
        }
        
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        
        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 20px;
            color: #64748b;
        }
        
        .price-highlight {
            background-color: var(--highlight);
            color: white;
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.5rem;
            display: inline-block;
            margin: 20px 0;
            box-shadow: 0 4px 15px rgba(16, 185, 129, 0.4);
        }
        
        .slogan {
            font-size: 1.4rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
        }
        
        .experience-badge {
            background-color: var(--dark);
            color: white;
            padding: 8px 15px;
            border-radius: 50px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 20px;
        }
        
        .cta-button {
            display: inline-block;
            background-color: var(--accent);
            color: white;
            padding: 15px 30px;
            border-radius: 50px;
            font-weight: 600;
            text-decoration: none;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(245, 158, 11, 0.4);
        }
        
        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.6);
        }
        
        .demo-form {
            background-color: white;
            border-radius: 10px;
            padding: 40px;
            max-width: 500px;
            margin: 40px auto;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .demo-form h2 {
            text-align: center;
            margin-bottom: 30px;
            color: var(--primary);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e2e8f0;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        
        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--primary);
        }
        
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        
        .submit-btn {
            width: 100%;
            padding: 15px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .submit-btn:hover {
            background-color: var(--primary-light);
        }
        
        .features {
            padding: 60px 0;
            background-color: white;
        }
        
        .features h2 {
            text-align: center;
            margin-bottom: 40px;
            color: var(--primary);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        
        .feature-card {
            background-color: var(--light);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }
        
        .feature-card:hover {
            transform: translateY(-5px);
        }
        
        .feature-card h3 {
            color: var(--primary);
            margin-bottom: 15px;
        }
        
        footer {
            background-color: var(--dark);
            color: white;
            padding: 40px 0;
            text-align: center;
        }
        
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        
        .footer-section h3 {
            margin-bottom: 20px;
            color: var(--accent);
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
        }
        
        .social-links a {
            color: white;
            font-size: 1.2rem;
            transition: color 0.3s ease;
        }
        
        .social-links a:hover {
            color: var(--accent);
        }
        
        .copyright {
            padding-top: 20px;
            border-top: 1px solid #334155;
        }
        
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 20px;
            }
            
            .contact-info {
                flex-direction: column;
                gap: 10px;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .hero p {
                font-size: 1rem;
            }
            
            .price-highlight {
                font-size: 1.2rem;
            }
            
            .slogan {
                font-size: 1.1rem;
            }
        }

        /* Demo Panel Carousel Section */
        .demo-carousel {
            padding: 60px 0;
            background-color: #f5f7fa;
        }
        
        .demo-carousel h2 {
            text-align: center;
            margin-bottom: 40px;
            color: var(--primary);
        }
        
        .carousel-container {
            max-width: 1000px;
            margin: 0 auto;
            position: relative;
            padding: 0 50px;
        }
        
        .carousel-slide {
            display: none;
            text-align: center;
            transition: all 0.5s ease;
        }
        
        .carousel-slide.active {
            display: block;
            animation: fadeIn 0.8s;
        }
        
        @keyframes fadeIn {
            from {opacity: 0.4}
            to {opacity: 1}
        }
        
        .carousel-img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
            cursor: pointer;
            transition: transform 0.3s;
            max-height: 500px;
        }
        
        .carousel-img:hover {
            transform: scale(1.02);
        }
        
        .carousel-caption {
            margin-top: 15px;
            font-size: 1.1rem;
            color: var(--dark);
            font-weight: 500;
        }
        
        .carousel-nav {
            display: flex;
            justify-content: center;
            margin-top: 30px;
            gap: 15px;
        }
        
        .carousel-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: #cbd5e1;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .carousel-dot.active {
            background-color: var(--primary);
            transform: scale(1.2);
        }
        
        .carousel-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            font-size: 2rem;
            color: var(--primary);
            cursor: pointer;
            background: rgba(255,255,255,0.8);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            z-index: 10;
            user-select: none;
        }
        
        .carousel-arrow:hover {
            background: white;
        }
        
        .carousel-arrow.prev {
            left: 0;
        }
        
        .carousel-arrow.next {
            right: 0;
        }
        
        /* Modal for clicked images */
        .modal {
            display: none;
            position: fixed;
            z-index: 1000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.9);
            overflow: auto;
        }
        
        .modal-content {
            margin: auto;
            display: block;
            width: 80%;
            max-width: 800px;
            max-height: 80vh;
            margin-top: 10vh;
            animation: zoom 0.3s;
        }
        
        @keyframes zoom {
            from {transform: scale(0.5)}
            to {transform: scale(1)}
        }
        
        .close-btn {
            position: absolute;
            top: 20px;
            right: 30px;
            color: white;
            font-size: 35px;
            font-weight: bold;
            cursor: pointer;
        }
        
        /* Testimonials Section */
        .testimonials {
            padding: 60px 0;
            background-color: white;
        }
        
        .testimonials h2 {
            text-align: center;
            margin-bottom: 40px;
            color: var(--primary);
        }
        
        .testimonials-container {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            padding: 0 50px;
        }
        
        .testimonial-slide {
            display: none;
            text-align: center;
            padding: 30px;
            background-color: #f8fafc;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: all 0.5s ease;
        }
        
        .testimonial-slide.active {
            display: block;
            animation: fadeIn 0.8s;
        }
        
        .testimonial-content {
            font-size: 1.1rem;
            line-height: 1.8;
            color: #475569;
            font-style: italic;
            margin-bottom: 25px;
            position: relative;
        }
        
        .testimonial-content:before,
        .testimonial-content:after {
            content: '"';
            font-size: 2rem;
            color: var(--accent);
            opacity: 0.3;
            position: absolute;
        }
        
        .testimonial-content:before {
            top: -15px;
            left: -10px;
        }
        
        .testimonial-content:after {
            bottom: -25px;
            right: -10px;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
        }
        
        .author-logo {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            object-fit: cover;
            border: 3px solid var(--primary-light);
            padding: 3px;
        }
        
        .author-info {
            text-align: left;
        }
        
        .author-name {
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 3px;
        }
        
        .author-position {
            font-size: 0.9rem;
            color: #64748b;
        }
        
        .testimonial-nav {
            display: flex;
            justify-content: center;
            margin-top: 30px;
            gap: 10px;
        }
        
        .testimonial-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: #cbd5e1;
            cursor: pointer;
            transition: all 0.3s;
        }
        
        .testimonial-dot.active {
            background-color: var(--primary);
            transform: scale(1.2);
        }
        
        .testimonial-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.8rem;
            color: var(--primary);
            cursor: pointer;
            background: white;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            z-index: 10;
            user-select: none;
        }
        
        .testimonial-arrow:hover {
            background-color: var(--primary-light);
            color: white;
        }
        
        .testimonial-arrow.prev {
            left: 0;
        }
        
        .testimonial-arrow.next {
            right: 0;
        }


 .demo-form {
            background-color: white;
            border-radius: 10px;
            padding: 40px;
            max-width: 500px;
            margin: 40px auto;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
        }
        
        .demo-form h2 {
            text-align: center;
            margin-bottom: 30px;
            color: var(--primary);
        }
        
        .form-group {
            margin-bottom: 20px;
        }
        
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }
        
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #e2e8f0;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--primary);
        }
        
        .form-group textarea {
            min-height: 100px;
            resize: vertical;
        }
        
        .submit-btn {
            width: 100%;
            padding: 15px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 5px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        
        .submit-btn:hover {
            background-color: var(--primary-light);
        }
        
        .submit-btn img {
            width: 20px;
            height: 20px;
        }