* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        :root {
            --primary-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
            --secondary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            --accent-color: #00f2fe;
            --text-primary: #1a202c;
            --text-light: #ffffff;
            --bg-dark: #1a202c;
            --bg-light: #f7fafc;
            --neon-blue: #00d4ff;
        }

        body {
            font-family: 'Arial', sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-light);
            position: relative;
        }

        /* Enhanced tech page animations and effects */
        .tech-card {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-radius: 15px;
            padding: 25px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .tech-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(79, 172, 254, 0.1), transparent);
            transition: left 0.6s ease;
        }

        .tech-card:hover::before {
            left: 100%;
        }

        .tech-card:hover {
            transform: translateY(-8px) scale(1.02);
            box-shadow: 0 20px 60px rgba(79, 172, 254, 0.2);
            border: 1px solid rgba(79, 172, 254, 0.3);
        }

        /* Glowing icons */
        .tech-icon {
            display: inline-block;
            font-size: 2.5rem;
            margin-bottom: 20px;
            filter: drop-shadow(0 0 10px rgba(79, 172, 254, 0.3));
            transition: all 0.3s ease;
        }

        .tech-card:hover .tech-icon {
            transform: scale(1.1) rotate(5deg);
            filter: drop-shadow(0 0 20px rgba(79, 172, 254, 0.6));
        }

        /* Back Button */
        .back-btn {
            position: fixed;
            top: 20px;
            left: 20px;
            background: var(--primary-gradient);
            color: var(--text-light);
            padding: 12px 20px;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            z-index: 1000;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(79, 172, 254, 0.3);
        }

        .back-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(79, 172, 254, 0.5);
        }

        /* Hero Section */
        .hero {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 120px 0 80px;
            text-align: center;
            position: relative;
            overflow: hidden;
            min-height: 100vh;
            display: flex;
            align-items: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 25% 25%, rgba(79, 172, 254, 0.3) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(0, 242, 254, 0.2) 0%, transparent 50%),
                linear-gradient(45deg, transparent 30%, rgba(79, 172, 254, 0.1) 70%);
            animation: techFlow 10s ease-in-out infinite;
        }

        @keyframes techFlow {
            0%, 100% { transform: rotate(0deg) scale(1); }
            50% { transform: rotate(2deg) scale(1.05); }
        }

        .hero-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 2;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 20px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-shadow: 0 0 30px rgba(79, 172, 254, 0.5);
        }

        .hero-subtitle {
            font-size: 1.4rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }

        .demo-btn {
            background: var(--primary-gradient);
            color: var(--text-light);
            padding: 18px 40px;
            border: none;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-block;
            margin: 10px;
            box-shadow: 0 10px 30px rgba(79, 172, 254, 0.3);
        }

        .demo-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(79, 172, 254, 0.5);
        }

        .demo-btn.secondary {
            background: transparent;
            border: 2px solid var(--accent-color);
            color: var(--accent-color);
        }

        .demo-btn.secondary:hover {
            background: var(--accent-color);
            color: var(--text-light);
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background: var(--text-light);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            margin-bottom: 20px;
            background: var(--secondary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 40px;
        }

        .feature-card {
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            padding: 40px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transition: transform 0.3s ease;
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card:hover {
            transform: translateY(-15px) scale(1.02);
            box-shadow: 0 25px 60px rgba(79, 172, 254, 0.2);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 20px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 0 10px rgba(79, 172, 254, 0.3));
            transition: all 0.3s ease;
        }

        .feature-card:hover .feature-icon {
            transform: scale(1.1) rotate(5deg);
            filter: drop-shadow(0 0 20px rgba(79, 172, 254, 0.6));
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--text-primary);
        }

        /* Products Section */
        .products {
            padding: 100px 0;
            background: var(--bg-dark);
            color: var(--text-light);
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 30px;
            margin-top: 60px;
        }

        .product-card {
            background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
            padding: 30px;
            border-radius: 15px;
            border: 1px solid rgba(79, 172, 254, 0.2);
            transition: all 0.3s ease;
            position: relative;
        }

        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(135deg, rgba(79, 172, 254, 0.1) 0%, transparent 100%);
            border-radius: 15px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .product-card:hover::before {
            opacity: 1;
        }

        .product-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-color);
            box-shadow: 0 15px 40px rgba(79, 172, 254, 0.2);
        }

        .product-header {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .product-icon {
            font-size: 2rem;
            margin-right: 15px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .product-card h3 {
            font-size: 1.4rem;
            color: var(--text-light);
        }

        .product-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .product-features li {
            padding: 8px 0;
            position: relative;
            padding-left: 25px;
            color: rgba(255, 255, 255, 0.8);
        }

        .product-features li::before {
            content: '⚡';
            position: absolute;
            left: 0;
            color: var(--accent-color);
        }

        /* AI Chat Section */
        .ai-chat {
            padding: 100px 0;
            background: linear-gradient(135deg, #f8f9fa 0%, #e2e8f0 100%);
        }

        .chat-demo {
            max-width: 800px;
            margin: 40px auto;
            background: var(--text-light);
            border-radius: 20px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            overflow: hidden;
        }

        .chat-header {
            background: var(--primary-gradient);
            color: var(--text-light);
            padding: 20px;
            text-align: center;
            font-weight: 600;
        }

        .chat-messages {
            padding: 30px;
            height: 400px;
            overflow-y: auto;
        }

        .message {
            margin-bottom: 20px;
            display: flex;
            align-items: flex-start;
        }

        .message.user {
            justify-content: flex-end;
        }

        .message-content {
            max-width: 70%;
            padding: 15px 20px;
            border-radius: 20px;
            position: relative;
        }

        .message.ai .message-content {
            background: #f1f5f9;
            color: var(--text-primary);
        }

        .message.user .message-content {
            background: var(--primary-gradient);
            color: var(--text-light);
        }

        .chat-input {
            padding: 20px;
            border-top: 1px solid #e2e8f0;
            display: flex;
            gap: 10px;
        }

        .chat-input input {
            flex: 1;
            padding: 15px;
            border: 1px solid #e2e8f0;
            border-radius: 25px;
            font-size: 1rem;
        }

        .chat-input button {
            background: var(--primary-gradient);
            color: var(--text-light);
            border: none;
            padding: 15px 25px;
            border-radius: 25px;
            cursor: pointer;
            font-weight: 600;
        }

        /* Stats Section */
        .stats {
            padding: 80px 0;
            background: var(--bg-dark);
            color: var(--text-light);
            text-align: center;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-top: 40px;
        }

        .stat-item {
            padding: 20px;
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 10px;
        }

        .stat-label {
            font-size: 1.1rem;
            opacity: 0.8;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .back-btn {
                top: 10px;
                left: 10px;
                padding: 10px 15px;
                font-size: 0.9rem;
            }
            
            .chat-messages {
                height: 300px;
            }
            
            .message-content {
                max-width: 85%;
            }