/* Hero Section */
        .hero {
            margin-top: 80px;
            padding: 100px 24px 80px;
            background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
            animation: float 20s ease-in-out infinite;
        }

        @keyframes float {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50% { transform: translateY(-50px) rotate(180deg); }
        }

        .hero-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1f2937 0%, #667eea 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content p {
            font-size: 20px;
            color: #6b7280;
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-secondary {
            background: white;
            color: #667eea;
            padding: 12px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            border: 2px solid #667eea;
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-secondary:hover {
            background: #667eea;
            color: white !important;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
        }

        .stat-item {
            display: flex;
            flex-direction: column;
        }

        .stat-value {
            font-size: 36px;
            font-weight: 800;
            color: #667eea;
        }

        .stat-label {
            font-size: 14px;
            color: #6b7280;
            margin-top: 4px;
        }

        .hero-image {
            position: relative;
            animation: fadeInRight 1s ease-out;
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        .hero-image img {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
        }

        .mockup-card {
            background: white;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
            position: relative;
        }

        .mockup-header {
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
        }

        .mockup-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .mockup-dot:nth-child(1) { background: #ef4444; }
        .mockup-dot:nth-child(2) { background: #f59e0b; }
        .mockup-dot:nth-child(3) { background: #10b981; }

        .chat-message {
            background: #f3f4f6;
            padding: 12px 16px;
            border-radius: 12px;
            margin-bottom: 12px;
            animation: slideIn 0.5s ease-out;
        }

        .chat-message.bot {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            margin-left: auto;
            max-width: 80%;
        }

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

        /* Features Section */
        .features {
            padding: 100px 24px;
            background: white;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .section-badge {
            display: inline-block;
            padding: 8px 16px;
            background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
            color: #667eea;
            border-radius: 20px;
            font-weight: 600;
            font-size: 14px;
            margin-bottom: 16px;
        }

        .section-header h2 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 16px;
            color: #1f2937;
        }

        .section-header p {
            font-size: 20px;
            color: #6b7280;
            max-width: 600px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .feature-card {
            padding: 32px;
            border-radius: 16px;
            background: white;
            border: 2px solid #f3f4f6;
            transition: all 0.3s;
        }

        .feature-card:hover {
            border-color: #667eea;
            transform: translateY(-8px);
            box-shadow: 0 12px 32px rgba(102, 126, 234, 0.15);
        }

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 28px;
        }

        .feature-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #1f2937;
        }

        .feature-card p {
            color: #6b7280;
            line-height: 1.6;
        }

        /* Benefits Section */
        .benefits {
            padding: 100px 24px;
            background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
        }

        .benefits-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 80px;
            align-items: center;
        }

        .benefit-item {
            display: flex;
            gap: 20px;
            margin-bottom: 32px;
        }

        .benefit-number {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            flex-shrink: 0;
        }

        .benefit-content h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #1f2937;
        }

        .benefit-content p {
            color: #6b7280;
            line-height: 1.6;
        }

        .benefits-image {
            position: relative;
        }

        .benefits-card {
            background: white;
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            margin-bottom: 24px;
        }

        .chart-bars {
            display: flex;
            gap: 20px;
            align-items: flex-end;
            height: 220px;
            margin-top: 24px;
            padding: 0 12px;
        }

        .chart-bar {
            width: 100%;
            background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
            border-radius: 8px 8px 0 0;
            position: relative;
            animation: growBar 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
            box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
            transition: all 0.3s ease;
        }

        .chart-bar:hover {
            transform: translateY(-8px);
            box-shadow: 0 8px 24px rgba(102, 126, 234, 0.5);
        }

        @keyframes growBar {
            from { 
                height: 0;
                opacity: 0;
            }
            to {
                opacity: 1;
            }
        }

        /* Pricing Section */
        .pricing {
            padding: 100px 24px;
            background: white;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 64px;
        }

        .pricing-card {
            background: white;
            border: 2px solid #e5e7eb;
            border-radius: 16px;
            padding: 40px;
            transition: all 0.3s;
            position: relative;
        }

        .pricing-card.featured {
            border-color: #667eea;
            transform: scale(1.05);
            box-shadow: 0 20px 60px rgba(102, 126, 234, 0.2);
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
        }

        .pricing-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
        }

        .pricing-card h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #1f2937;
        }

        .pricing-card .description {
            color: #6b7280;
            margin-bottom: 24px;
            min-height: 48px;
        }

        .price {
            display: flex;
            align-items: baseline;
            gap: 8px;
            margin-bottom: 24px;
        }

        .price-amount {
            font-size: 48px;
            font-weight: 800;
            color: #1f2937;
        }

        .price-currency {
            font-size: 24px;
            color: #6b7280;
        }

        .price-period {
            font-size: 16px;
            color: #9ca3af;
        }

        .features-list {
            list-style: none;
            margin-bottom: 32px;
        }

        .features-list li {
            padding: 12px 0;
            color: #4b5563;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .features-list li::before {
            content: '✓';
            width: 20px;
            height: 20px;
            background: #10b981;
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .btn-outline {
            width: 100%;
            padding: 14px 24px;
            border: 2px solid #667eea;
            background: white;
            color: #667eea;
            border-radius: 8px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.3s;
            text-align: center;
            text-decoration: none;
            display: block;
        }

        .btn-outline:hover {
            background: #667eea;
            color: white;
        }

        .pricing-card.featured .btn-outline {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
        }

        .pricing-card.featured .btn-outline:hover {
            transform: scale(1.05);
        }

        /* Testimonials */
        .testimonials {
            padding: 100px 24px;
            background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-top: 64px;
        }

        .testimonial-card {
            background: white;
            padding: 32px;
            border-radius: 16px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            transition: all 0.3s;
        }

        .testimonial-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
        }

        .stars {
            color: #f59e0b;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .testimonial-text {
            color: #4b5563;
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
            font-size: 18px;
        }

        .author-info h4 {
            font-weight: 600;
            color: #1f2937;
            margin-bottom: 4px;
        }

        .author-info p {
            font-size: 14px;
            color: #6b7280;
        }

        /* CTA Section */
        .cta {
            padding: 100px 24px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            position: relative;
            overflow: hidden;
        }

        .cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
            animation: float 15s ease-in-out infinite;
        }

        .cta-container {
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .cta h2 {
            font-size: 48px;
            font-weight: 800;
            color: white;
            margin-bottom: 24px;
        }

        .cta p {
            font-size: 20px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 40px;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-white {
            background: white;
            color: #667eea;
            padding: 16px 32px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-white:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .btn-outline-white {
            background: transparent;
            color: white;
            padding: 16px 32px;
            border: 2px solid white;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s;
            display: inline-block;
        }

        .btn-outline-white:hover {
            background: white;
            color: #667eea;
        }


        /* Modal */
        .modal {
            display: none;
            position: fixed;
            z-index: 2000;
            left: 0;
            top: 0;
            width: 100%;
            height: 100%;
            overflow: auto;
            background-color: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(4px);
            animation: fadeIn 0.3s ease-out;
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background: white;
            border-radius: 20px;
            padding: 48px;
            max-width: 500px;
            width: 90%;
            position: relative;
            animation: slideUp 0.3s ease-out;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .modal-close {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 32px;
            font-weight: 300;
            color: #9ca3af;
            cursor: pointer;
            transition: color 0.3s;
            background: none;
            border: none;
            line-height: 1;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-close:hover {
            color: #667eea;
        }

        .modal-header {
            margin-bottom: 32px;
        }

        .modal-header h3 {
            font-size: 32px;
            font-weight: 800;
            color: #1f2937;
            margin-bottom: 8px;
        }

        .modal-header p {
            font-size: 16px;
            color: #6b7280;
        }

        .form-group {
            margin-bottom: 24px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            color: #374151;
            margin-bottom: 8px;
            font-size: 14px;
        }

        .form-group label .required {
            color: #ef4444;
            margin-left: 4px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 14px 16px;
            border: 2px solid #e5e7eb;
            border-radius: 8px;
            font-size: 16px;
            font-family: 'Inter', sans-serif;
            transition: border-color 0.3s;
            background: white;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #667eea;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit {
            width: 100%;
            padding: 16px 32px;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 18px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
            font-family: 'Inter', sans-serif;
        }

        .form-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(102, 126, 234, 0.4);
        }

        .form-submit:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .form-success {
            display: none;
            text-align: center;
            padding: 32px;
        }

        .form-success.active {
            display: block;
        }

        .form-success-icon {
            font-size: 64px;
            margin-bottom: 16px;
        }

        .form-success h4 {
            font-size: 24px;
            font-weight: 700;
            color: #10b981;
            margin-bottom: 12px;
        }

        .form-success p {
            color: #6b7280;
            font-size: 16px;
        }