/**
 * RAG Chatbot Branch Generator - Industry-Specific Templates
 * Generate specialized chatbots for different branches with pre-configen content
 */

// Industry-specific configurations
$industries = [
    'ecommerce' => [
        'name' => 'E-commerce & Retail',
        'icon' => '🛒',
        'color' => '#ef4444',
        'description' => 'Perfect voor webshops en retail bedrijven',
        'use_cases' => [
            'Product recommendaties',
            'Order tracking',
            'Retour handling',
            'Voorraad informatie',
            'Klantenservice 24/7'
        ],
        'agents' => ['sales', 'support'],
        'personality' => 'friendly',
        'welcome_message' => 'Welkom! Ik help je graag met het vinden van de perfecte producten en beantwoord al je vragen over bestellingen.',
        'sample_questions' => [
            'Welke producten passen bij mij?',
            'Waar blijft mijn bestelling?',
            'Hoe werkt retourneren?',
            'Is dit product op voorraad?',
            'Wat zijn de verzendkosten?'
        ],
        'knowledge_base' => [
            'Product catalogus',
            'Bestelproces',
            'Retourbeleid',
            'Verzendinformatie',
            'Klantenservice procedures'
        ]
    ],
    'saas' => [
        'name' => 'SaaS & Software',
        'icon' => '💻',
        'color' => '#3b82f6',
        'description' => 'Ideaal voor software bedrijven en tech startups',
        'use_cases' => [
            'Product onboarding',
            'Technical support',
            'Feature uitleg',
            'API documentatie',
            'Pricing plannen'
        ],
        'agents' => ['technical', 'support'],
        'personality' => 'professional',
        'welcome_message' => 'Welkom bij onze software support. Ik help je met onboarding, technische vragen en het maximaliseren van je resultaten.',
        'sample_questions' => [
            'Hoe begin ik met de software?',
            'Welke integraties zijn er?',
            'Wat kost het premium plan?',
            'Hoe werkt de API?',
            'Waar kan ik tutorials vinden?'
        ],
        'knowledge_base' => [
            'Product handleidingen',
            'API documentatie',
            'Video tutorials',
            'FAQ database',
            'Best practices'
        ]
    ],
    'financial' => [
        'name' => 'Financial Services',
        'icon' => '🏦',
        'color' => '#059669',
        'description' => 'Gespecialiseerd voor banken, verzekeringen en fintech',
        'use_cases' => [
            'Product advies',
            'Compliance checks',
            'Rekeningen beheer',
            'Investering informatie',
            'Regulatory support'
        ],
        'agents' => ['sales', 'general'],
        'personality' => 'professional',
        'welcome_message' => 'Welkom. Ik ben uw financiële assistent en help u met veilig en compliant advies over onze producten en diensten.',
        'sample_questions' => [
            'Welke rekening past bij mij?',
            'Wat zijn de rentetarieven?',
            'Hoe open ik een beleggingsrekening?',
            'Is mijn data veilig?',
            'Wat zijn de kosten?'
        ],
        'knowledge_base' => [
            'Product voorwaarden',
            'Compliance richtlijnen',
            'Tarievenoverzichten',
            'Veiligheidsprotocollen',
            'Regulatory documentatie'
        ]
    ],
    'healthcare' => [
        'name' => 'Healthcare & Medical',
        'icon' => '🏥',
        'color' => '#dc2626',
        'description' => 'Optimal voor zorginstellingen en medische diensten',
        'use_cases' => [
            'Afspraak planning',
            'Symptoom check',
            'Behandeling info',
            'Medicatie vragen',
            'Verzekering check'
        ],
        'agents' => ['support', 'general'],
        'personality' => 'professional',
        'welcome_message' => 'Welkom. Ik ben uw medische assistent en help u met afspraken, informatie en eerste hulp vragen.',
        'sample_questions' => [
            'Hoe maak ik een afspraak?',
            'Wat zijn de openingstijden?',
            'Welke specialist heb ik nodig?',
            'Wordt dit vergoed?',
            'Wat moet ik meen nemen?'
        ],
        'knowledge_base' => [
            'Specialisten overzicht',
            'Behandeling protocollen',
            'Verzekeringsvoorwaarden',
            'Afspraak procedures',
            'Veiligheidsrichtlijnen'
        ]
    ],
    'education' => [
        'name' => 'Education & Training',
        'icon' => '🎓',
        'color' => '#7c3aed',
        'description' => 'Perfect voor scholen, universiteiten en training centra',
        'use_cases' => [
            'Cursus informatie',
            'Inschrijvingen',
            'Studie advies',
            'Rooster informatie',
            'Leermateriaal'
        ],
        'agents' => ['support', 'general'],
        'personality' => 'friendly',
        'welcome_message' => 'Welkom bij onze educatieve assistent! Ik help je met cursussen, inschrijvingen en al je studievragen.',
        'sample_questions' => [
            'Welke cursussen zijn er?',
            'Hoe schrijf ik me in?',
            'Wat zijn de kosten?',
            'Wanneer beginnen de lessen?',
            'Heb ik voorkennis nodig?'
        ],
        'knowledge_base' => [
            'Cursus catalogus',
            'Inschrijfprocedures',
            'Rooster informatie',
            'Studie gidsen',
            'Leer resultaten'
        ]
    ],
    'manufacturing' => [
        'name' => 'Manufacturing & Industrial',
        'icon' => '🏭',
        'color' => '#ea580c',
        'description' => 'Gespecialiseerd voor productie en industriële bedrijven',
        'use_cases' => [
            'Product specificaties',
            'Technische support',
            'Bestelprocessen',
            'Quality control',
            'Supply chain info'
        ],
        'agents' => ['technical', 'support'],
        'personality' => 'expert',
        'welcome_message' => 'Welkom. Ik ben uw technische expert en help met product specificaties, bestellingen en technische vragen.',
        'sample_questions' => [
            'Wat zijn de specificaties?',
            'Hoe bestel ik onderdelen?',
            'Wat is de levertijd?',
            'Is er technische support?',
            'Wat zijn de kwaliteitseisen?'
        ],
        'knowledge_base' => [
            'Product specificaties',
            'Technische handleidingen',
            'Bestelprocedures',
            'Kwaliteitstandaarden',
            'Supply chain info'
        ]
    ],
    'real-estate' => [
        'name' => 'Real Estate',
        'icon' => '🏠',
        'color' => '#16a34a',
        'description' => 'Ideaal voor makelaars en vastgoed bedrijven',
        'use_cases' => [
            'Woning zoeken',
            'Bezicht planning',
            'Prijs informatie',
            'Financiering advies',
            'Documentatie'
        ],
        'agents' => ['sales', 'support'],
        'personality' => 'professional',
        'welcome_message' => 'Welkom! Ik help u met het vinden van uw droomhuis en begeleid u door het hele aankoopproces.',
        'sample_questions' => [
            'Welke huizen zijn beschikbaar?',
            'Wat is mijn huis waard?',
            'Hoe plan ik een bezichtiging?',
            'Wat zijn de kosten?',
            'Hoe werkt financiering?'
        ],
        'knowledge_base' => [
            'Woning database',
            'Prijs analyses',
            'Bezicht procedures',
            'Financiering info',
            'Juridische documentatie'
        ]
    ],
    'travel' => [
        'name' => 'Travel & Hospitality',
        'icon' => '✈️',
        'color' => '#0891b2',
        'description' => 'Perfect voor reisbureaus en hospitality',
        'use_cases' => [
            'Reis zoeken',
            'Boeking assistentie',
            'Bestemming info',
            'Accommodatie zoeken',
            'Reisadvies'
        ],
        'agents' => ['sales', 'support'],
        'personality' => 'friendly',
        'welcome_message' => 'Welkom! Ik help je met het plannen van de perfecte reis en beantwoord al je vragen over bestemmingen en boekingen.',
        'sample_questions' => [
            'Welke reizen zijn er?',
            'Wat kost een reis naar Bali?',
            'Hoe boek ik een vlucht?',
            'Wat is inbegrepen?',
            'Heb ik een visum nodig?'
        ],
        'knowledge_base' => [
            'Reis catalogus',
            'Bestemming gidsen',
            'Boeking procedures',
            'Visum vereisten',
            'Reisverzekering info'
        ]
    ],
    'legal' => [
        'name' => 'Legal Services',
        'icon' => '⚖️',
        'color' => '#1f2937',
        'description' => 'Gespecialiseerd voor advocatenkantoren en juridische diensten',
        'use_cases' => [
            'Case intake',
            'Juridisch advies',
            'Documentatie',
            'Procedure uitleg',
            'Client communicatie'
        ],
        'agents' => ['general', 'support'],
        'personality' => 'professional',
        'welcome_message' => 'Welkom. Ik ben uw juridische assistent en help met case intake, documentatie en eerste juridische vragen.',
        'sample_questions' => [
            'Hoe start ik een zaak?',
            'Welke documenten nodig?',
            'Wat zijn de kosten?',
            'Hoe lang duurt een procedure?',
            'Wat is mijn juridische positie?'
        ],
        'knowledge_base' => [
            'Juridische procedures',
            'Document templates',
            'Tarievenstructuren',
            'Case studies',
            'Regelgeving overzichten'
        ]
    ]
];

// Handle form submission
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $selected_industry = $_POST['industry'] ?? '';
    $company_name = $_POST['company_name'] ?? '';
    $email = $_POST['email'] ?? '';
    
    if ($selected_industry && isset($industries[$selected_industry])) {
        $industry_config = $industries[$selected_industry];
        
        // Create customized chatbot config
        $chatbot_config = [
            'name' => $company_name . ' Assistant',
            'company' => $company_name,
            'email' => $email,
            'industry' => $selected_industry,
            'industry_config' => $industry_config,
            'agents' => $industry_config['agents'],
            'personality' => $industry_config['personality'],
            'welcome_message' => $industry_config['welcome_message'],
            'color_scheme' => $industry_config['color'],
            'sample_questions' => $industry_config['sample_questions'],
            'knowledge_base' => $industry_config['knowledge_base'],
            'features' => ['analytics', 'multilingual', 'crm'],
            'created_at' => date('Y-m-d H:i:s')
        ];
        
        // Save to session
        session_start();
        $_SESSION['branch_chatbot_config'] = $chatbot_config;
        
        // Redirect to preview
        header('Location: branch-preview.php?industry=' . $selected_industry);
        exit;
    }
}
?>    <style>
/* Production-ready TailwindCSS - Replaces CDN */
@import url("/assets/css/production-tailwind-complete.css");
</style>    <style>
        :root {
            --primary: #6366f1;
            --secondary: #22c55e;
            --accent: #f59e0b;
            --danger: #ef4444;
            --dark: #1f2937;
            --light: #f8fafc;
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            min-height: 100vh;
        }

        .generator-container {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(20px);
            border-radius: 24px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
            margin: 2rem auto;
            max-width: 1400px;
            overflow: hidden;
        }

        .industry-card {
            background: white;
            border: 3px solid #e5e7eb;
            border-radius: 20px;
            padding: 2rem;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            height: 100%;
        }

        .industry-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .industry-card.selected {
            border-color: var(--primary);
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(99, 102, 241, 0.1) 100%);
        }

        .industry-card.selected::before {
            content: '✓';
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: var(--primary);
            color: white;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .use-case-tag {
            background: #f3f4f6;
            border: 1px solid #e5e7eb;
            border-radius: 15px;
            padding: 0.5rem 1rem;
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin: 0.25rem;
            transition: all 0.3s ease;
        }

        .use-case-tag:hover {
            background: #e5e7eb;
            transform: translateY(-2px);
        }

        .sample-question {
            background: white;
            border: 1px solid #e5e7eb;
            border-radius: 12px;
            padding: 0.75rem 1rem;
            margin: 0.5rem 0;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.875rem;
        }

        .sample-question:hover {
            border-color: var(--primary);
            background: rgba(99, 102, 241, 0.05);
            transform: translateX(4px);
        }

        .knowledge-item {
            background: #f8fafc;
            border-left: 3px solid var(--primary);
            padding: 0.75rem 1rem;
            margin: 0.5rem 0;
            border-radius: 0 8px 8px 0;
            font-size: 0.875rem;
        }

        .config-panel {
            background: #f8fafc;
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid #e5e7eb;
        }

        .btn-primary {
            background: var(--primary);
            color: white;
            padding: 0.75rem 2rem;
            border-radius: 25px;
            border: none;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 1rem;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            padding: 0.75rem 2rem;
            border-radius: 25px;
            border: 2px solid var(--primary);
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: white;
            transform: translateY(-2px);
        }

        .preview-chat {
            background: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            max-height: 400px;
        }

        .preview-header {
            padding: 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            color: white;
        }

        .preview-messages {
            height: 250px;
            overflow-y: auto;
            padding: 1rem;
            background: #f8fafc;
        }

        .preview-message {
            margin-bottom: 0.75rem;
            padding: 0.5rem 0.75rem;
            border-radius: 12px;
            max-width: 70%;
            font-size: 0.875rem;
        }

        .preview-message.bot {
            background: white;
            border: 1px solid #e5e7eb;
            border-bottom-left-radius: 4px;
        }

        .preview-message.user {
            background: var(--primary);
            color: white;
            margin-left: auto;
            border-bottom-right-radius: 4px;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp 0.5s ease forwards;
        }

        @media (max-width: 768px) {
            .generator-container {
                margin: 1rem;
                border-radius: 16px;
            }
            
            .industry-card {
                padding: 1.5rem;
            }
        }
    </style>
    <div class="generator-container">
        <!-- Header -->
        <div class="bg-gradient-to-r from-purple-600 to-blue-600 text-white p-8">
            <div class="max-w-6xl mx-auto">
                <div class="flex items-center justify-between mb-6">
                    <div class="flex items-center gap-3">
                        <i class="fas fa-robot text-3xl"></i>
                        <div>
                            <h1 class="text-3xl font-bold">RAG Chatbot Branch Generator</h1>
                            <p class="opacity-90">Maak branch-specifieke AI assistants in 1 minuut</p>
                        </div>
                    </div>
                    <div class="flex gap-3">
                        <a href="landing-page.php" class="bg-white bg-opacity-20 px-4 py-2 rounded-lg hover:bg-opacity-30 transition">
                            <i class="fas fa-arrow-left mr-2"></i>Landing
                        </a>
                        <a href="chatbot-creator.php" class="bg-white bg-opacity-20 px-4 py-2 rounded-lg hover:bg-opacity-30 transition">
                            <i class="fas fa-cog mr-2"></i>Custom
                        </a>
                    </div>
                </div>
                
                <div class="grid grid-cols-1 md:grid-cols-3 gap-6 text-center">
                    <div>
                        <div class="text-3xl font-bold">10+</div>
                        <div class="text-sm opacity-90">Branches</div>
                    </div>
                    <div>
                        <div class="text-3xl font-bold">60s</div>
                        <div class="text-sm opacity-90">Setup Time</div>
                    </div>
                    <div>
                        <div class="text-3xl font-bold">95%</div>
                        <div class="text-sm opacity-90">Accuracy</div>
                    </div>
                </div>
            </div>
        </div>

        <!-- Main Content -->
        <div class="p-8">
            <div class="max-w-6xl mx-auto">
                <!-- Industry Selection -->
                <div class="mb-8">
                    <h2 class="text-2xl font-bold mb-2">Selecteer Jouw Branche</h2>
                    <p class="text-gray-600 mb-6">Kies de branche die het beste bij jouw bedrijf past voor een kant-en-klare chatbot configuratie</p>
                    
                    <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-6">
                                            </div>
                </div>

                <!-- Configuration Panel -->
                <div class="config-panel" id="configPanel" style="display: none;">
                    <div class="grid grid-cols-1 lg:grid-cols-2 gap-8">
                        <!-- Left Column - Configuration -->
                        <div>
                            <h3 class="text-xl font-bold mb-4">Jouw Branch Chatbot</h3>
                            
                            <form id="branchForm" method="POST">
                                <input type="hidden" name="industry" id="selectedIndustry">
                                
                                <div class="mb-6">
                                    <label class="block text-sm font-medium mb-2">Bedrijfsnaam *</label>
                                    <input type="text" name="company_name" required
                                           class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
                                           placeholder="bv. IT Live">
                                </div>
                                
                                <div class="mb-6">
                                    <label class="block text-sm font-medium mb-2">Email *</label>
                                    <input type="email" name="email" required
                                           class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-purple-500 focus:border-transparent"
                                           placeholder="jouw@bedrijf.nl">
                                </div>
                                
                                <div class="mb-6">
                                    <h4 class="font-semibold mb-3">Beschikbare Use Cases:</h4>
                                    <div id="useCasesList" class="flex flex-wrap gap-2">
                                        <!-- Will be filled by JavaScript -->
                                    </div>
                                </div>
                                
                                <div class="mb-6">
                                    <h4 class="font-semibold mb-3">Knowledge Base:</h4>
                                    <div id="knowledgeList">
                                        <!-- Will be dealt?, JavaScript -->
                                    </div>
                                </div>
                                
                                <div class="flex gap-4">
                                    <button type="button" class="btn-secondary" onclick="resetSelection()">
                                        <i class="fas fa-arrow-left mr-2"></i>Kies andere branche
                                    </button>
                                    <button type="submit" class="btn-primary">
                                        <i class="fas fa-rocket mr-2"></i>Genereer Chatbot
                                    </button>
                                </div>
                            </form>
                        </div>
                        
                        <!-- Right Column - Preview -->
                        <div>
                            <h3 class="text-xl font-bold mb-4">Live Preview</h3>
                            
                            <div class="preview-chat">
                                <div class="preview-header" id="previewHeader" style="background: #6366f1;">
                                    <div class="w-8 h-8 rounded-full bg-white bg-opacity-20 flex items-center justify-center">
                                        <i class="fas fa-robot text-sm"></i>
                                    </div>
                                    <div>
                                        <div class="font-semibold" id="previewTitle">Jouw Chatbot</div>
                                        <div class="text-xs opacity-90">Online • Branch-Specific</div>
                                    </div>
                                </div>
                                <div class="preview-messages">
                                    <div class="preview-message bot" id="previewWelcome">
                                        Welkom! Ik ben jouw branch-specifieke assistent.
                                    </div>
                                    <div class="preview-message user">
                                        Wat kun je voor me doen?
                                    </div>
                                    <div class="preview-message bot" id="previewResponse">
                                        Ik help je met specifieke vragen en taken voor jouw branche.
                                    </div>
                                </div>
                            </div>
                            
                            <div class="mt-6">
                                <h4 class="font-semibold mb-3">Voorbeeld Vragen:</h4>
                                <div id="sampleQuestions">
                                    <!-- Will be dealt,, JavaScript -->
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
        let selectedIndustry = '';
        const industries = null;

        // Select industry
        function selectIndustry(industry, element) {
            selectedIndustry = industry;
            
            // Update UI
            document.querySelectorAll('.industry-card').forEach(card => {
                card.classList.remove('selected');
            });
            element.classList.add('selected');
            
            // Update form
            document.getElementById('selectedIndustry').value = industry;
            
            // Show config panel
            showConfigPanel(industry);
            
            // Scroll to config
            document.getElementById('configPanel').scrollIntoView({ behavior: 'smooth' });
        }

        // Show configuration panel
        function showConfigPanel(industry) {
            const config = industries[industry];
            
            // Update preview header
            document.getElementById('previewHeader').style.background = config.color;
            document.getElementById('previewTitle').textContent = config.name + ' Assistant';
            document.getElementById('previewWelcome').textContent = config.welcome_message;
            
            // Update use cases
            const useCasesList = document.getElementById('useCasesList');
            useCasesList.innerHTML = '';
            config.use_cases.forEach(useCase => {
                const tag = document.createElement('div');
                tag.className = 'use-case-tag';
                tag.innerHTML = `
                    <i class="fas fa-check text-green-500 text-xs"></i>
                    <span>${useCase}</span>
                `;
                useCasesList.appendChild(tag);
            });
            
            // Update knowledge base
            const knowledgeList = document.getElementById('knowledgeList');
            knowledgeList.innerHTML = '';
            config.knowledge_base.forEach(item => {
                const div = document.createElement('div');
                div.className = 'knowledge-item';
                div.innerHTML = `
                    <i class="fas fa-book text-purple-500 mr-2"></i>
                    ${item}
                `;
                knowledgeList.appendChild(div);
            });
            
            // Update sample questions
            const sampleQuestions = document.getElementById('sampleQuestions');
            sampleQuestions.innerHTML = '';
            config.sample_questions.forEach(question => {
                const div = document.createElement('div');
                div.className = 'sample-question';
                div.innerHTML = `
                    <i class="fas fa-question-circle text-blue-500 mr-2"></i>
                    ${question}
                `;
                div.onclick = () => testQuestion(question);
                sampleQuestions.appendChild(div);
            });
            
            // Show panel with animation
            const panel = document.getElementById('configPanel');
            panel.style.display = 'block';
            panel.classList.add('fade-in-up');
        }

        // Test question in preview
        function testQuestion(question) {
            const messages = document.querySelector('.preview-messages');
            const userMessage = document.createElement('div');
            userMessage.className = 'preview-message user';
            userMessage.textContent = question;
            messages.appendChild(userMessage);
            
            // Simulate bot response
            setTimeout(() => {
                const botMessage = document.createElement('div');
                botMessage.className = 'preview-message bot';
                botMessage.textContent = 'Ik help je graag met ' + question.toLowerCase() + '. Laat me de juiste informatie voor je vinden.';
                messages.appendChild(botMessage);
                messages.scrollTop = messages.scrollHeight;
            }, 1000);
        }

        // Reset selection
        function resetSelection() {
            selectedIndustry = '';
            document.querySelectorAll('.industry-card').forEach(card => {
                card.classList.remove('selected');
            });
            document.getElementById('configPanel').style.display = 'none';
            
            // Scroll to top
            window.scrollTo({ top: 0, behavior: 'smooth' });
        }

        // Form submission
        document.getElementById('branchForm').addEventListener('submit', function(e) {
            if (!selectedIndustry) {
                e.preventDefault();
                alert('Selecteer eerst een branche.');
                return;
            }
        });

        // Add entrance animations
        document.addEventListener('DOMContentLoaded', function() {
            const cards = document.querySelectorAll('.industry-card');
            cards.forEach((card, index) => {
                card.style.opacity = '0';
                card.style.transform = 'translateY(20px)';
                
                setTimeout(() => {
                    card.style.transition = 'opacity 0.5s ease, transform 0.5s ease';
                    card.style.opacity = '1';
                    card.style.transform = 'translateY(0)';
                }, index * 100);
            });
        });
    </script>
</body>
</html>