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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            background: #0a0a0a;
            color: #ffffff;
            overflow-x: hidden;
        }

        /* Animated Background */
        .bg-gradient {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
            opacity: 0.1;
            z-index: -1;
            animation: gradientShift 15s ease infinite;
        }

        @keyframes gradientShift {
            0%, 100% { transform: scale(1) rotate(0deg); }
            50% { transform: scale(1.2) rotate(5deg); }
        }

        /* Navigation */
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 5%;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            background: rgba(10, 10, 10, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
        }

        .nav-links a {
            color: #ffffff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #667eea;
        }

        .cta-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
        }

        /* Hero Section */
        .hero {
            padding: 10rem 5% 5rem;
            text-align: center;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .hero h1 {
            font-size: 4rem;
            margin-bottom: 1.5rem;
            background: linear-gradient(135deg, #ffffff 0%, #667eea 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            animation: fadeInUp 1s ease;
        }

        .hero p {
            font-size: 1.5rem;
            color: #a0a0a0;
            margin-bottom: 3rem;
            max-width: 700px;
            animation: fadeInUp 1s ease 0.2s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1.5rem;
            animation: fadeInUp 1s ease 0.4s both;
        }

        .primary-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: transform 0.3s, box-shadow 0.3s;
            border: none;
            cursor: pointer;
        }

        .primary-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 40px rgba(102, 126, 234, 0.5);
        }

        .secondary-btn {
            background: transparent;
            color: white;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            border: 2px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s;
        }

        .secondary-btn:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.4);
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Stats Section */
        .stats {
            padding: 5rem 5%;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 3rem;
            max-width: 1000px;
            margin: 0 auto;
            text-align: center;
        }

        .stat-item {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .stat-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .stat-number {
            font-size: 3.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 0.5rem;
        }

        .stat-label {
            font-size: 1.1rem;
            color: #a0a0a0;
        }

        /* Interactive Demo Section */
        .demo-section {
            padding: 5rem 5%;
            background: rgba(255, 255, 255, 0.02);
        }

        .demo-container {
            max-width: 900px;
            margin: 3rem auto;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            overflow: hidden;
            backdrop-filter: blur(10px);
        }

        .demo-header {
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .demo-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ff5f56;
        }

        .demo-dot:nth-child(2) {
            background: #ffbd2e;
        }

        .demo-dot:nth-child(3) {
            background: #27c93f;
        }

        .chat-container {
            padding: 2rem;
            min-height: 400px;
            max-height: 500px;
            overflow-y: auto;
        }

        .message {
            margin-bottom: 1.5rem;
            display: flex;
            gap: 1rem;
            opacity: 0;
            animation: messageSlide 0.4s ease forwards;
        }

        @keyframes messageSlide {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .message-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .user-avatar {
            background: rgba(255, 255, 255, 0.1);
        }

        .message-content {
            background: rgba(255, 255, 255, 0.05);
            padding: 1rem 1.5rem;
            border-radius: 15px;
            max-width: 70%;
        }

        .message.user {
            flex-direction: row-reverse;
        }

        .message.user .message-content {
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
        }

        .typing-indicator {
            display: flex;
            gap: 5px;
            padding: 1rem 1.5rem;
        }

        .typing-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #667eea;
            animation: typing 1.4s infinite;
        }

        .typing-dot:nth-child(2) {
            animation-delay: 0.2s;
        }

        .typing-dot:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes typing {
            0%, 60%, 100% {
                transform: translateY(0);
            }
            30% {
                transform: translateY(-10px);
            }
        }

        .demo-input-area {
            padding: 1.5rem;
            background: rgba(255, 255, 255, 0.05);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            gap: 1rem;
        }

        .demo-input {
            flex: 1;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 25px;
            padding: 1rem 1.5rem;
            color: white;
            font-size: 1rem;
            outline: none;
            transition: border-color 0.3s;
        }

        .demo-input:focus {
            border-color: #667eea;
        }

        .demo-send-btn {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            cursor: pointer;
            transition: transform 0.3s;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .demo-send-btn:hover {
            transform: scale(1.1);
        }

        /* Features Section */
        .features {
            padding: 5rem 5%;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .feature-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
            border-color: rgba(102, 126, 234, 0.5);
        }

        .feature-icon {
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            color: #667eea;
        }

        .feature-card p {
            color: #a0a0a0;
            line-height: 1.6;
        }

        /* Testimonials Section */
        .testimonials {
            padding: 5rem 5%;
            background: rgba(255, 255, 255, 0.02);
        }

        .testimonials-container {
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
        }

        .testimonials-track {
            display: flex;
            gap: 2rem;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 2rem 0;
            scrollbar-width: none;
        }

        .testimonials-track::-webkit-scrollbar {
            display: none;
        }

        .testimonial-card {
            min-width: 350px;
            background: rgba(255, 255, 255, 0.05);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .testimonial-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
        }

        .testimonial-info h4 {
            font-size: 1.2rem;
            margin-bottom: 0.25rem;
        }

        .testimonial-role {
            color: #a0a0a0;
            font-size: 0.9rem;
        }

        .testimonial-stars {
            color: #ffd700;
            margin-bottom: 1rem;
        }

        .testimonial-text {
            color: #a0a0a0;
            line-height: 1.6;
            font-style: italic;
        }

        .testimonials-nav {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .nav-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            cursor: pointer;
            transition: all 0.3s;
        }

        .nav-dot.active {
            background: #667eea;
            width: 30px;
            border-radius: 5px;
        }

        /* Pricing Section */
        .pricing {
            padding: 5rem 5%;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        .pricing-card {
            background: rgba(255, 255, 255, 0.05);
            padding: 2.5rem;
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .pricing-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(102, 126, 234, 0.2);
        }

        .pricing-card.featured {
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
            border-color: #667eea;
            transform: scale(1.05);
        }

        .pricing-card h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .price {
            font-size: 3rem;
            font-weight: 700;
            margin: 1.5rem 0;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .price span {
            font-size: 1.2rem;
            color: #a0a0a0;
        }

        .features-list {
            list-style: none;
            margin: 2rem 0;
            text-align: left;
        }

        .features-list li {
            padding: 0.75rem 0;
            color: #a0a0a0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .features-list li:before {
            content: "✓ ";
            color: #667eea;
            font-weight: bold;
            margin-right: 0.5rem;
        }

        /* CTA Section */
        .cta-section {
            padding: 5rem 5%;
            text-align: center;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
        }

        .cta-section h2 {
            font-size: 3rem;
            margin-bottom: 1.5rem;
        }

        .cta-section p {
            font-size: 1.2rem;
            color: #a0a0a0;
            margin-bottom: 2.5rem;
        }

        /* Footer */
        footer {
            padding: 3rem 5%;
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #a0a0a0;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.2rem;
            }

            .hero-buttons {
                flex-direction: column;
            }

            .nav-links {
                display: none;
            }

            .pricing-card.featured {
                transform: scale(1);
            }

            .testimonial-card {
                min-width: 280px;
            }

            .stat-number {
                font-size: 2.5rem;
            }
        }