// Quiz state
        let currentQuestion = 1;
        const totalQuestions = 5;
        const scores = { ga: 0, pro: 0, whale: 0 };
        const answers = {};

        // Results data
        const results = {
            whale: {
                icon: '🐳',
                title: "You're a Whale!",
                subtitle: "For the serious networker seeking luxury and exclusive access",
                description: `
                    <h3>Based on your responses, the Whale Pass is your perfect match. You're here for:</h3>
                    <ul>
                        <li>Exclusive VIP experiences and backstage access</li>
                        <li>High-level networking with C-suites and speakers</li>
                        <li>All-inclusive luxury amenities and premium hospitality</li>
                        <li>Complete 3-day access including Whale Night</li>
                    </ul>
                `
            },
            pro: {
                icon: '👔',
                title: "You're Pro Material!",
                subtitle: "For the engaged professional ready to do business",
                description: `
                    <h3>The Pro Pass aligns perfectly with your goals. You'll get:</h3>
                    <ul>
                        <li>Full 3-day access including Pro Day</li>
                        <li>Curated networking opportunities and app access</li>
                        <li>Dedicated business development spaces</li>
                        <li>Included lunches and refreshments</li>
                    </ul>
                `
            },
            ga: {
                icon: '🧡',
                title: "Welcome to GA!",
                subtitle: "For newcomers and enthusiasts exploring Bitcoin",
                description: `
                    <h3>The GA Pass is ideal for you. Perfect for:</h3>
                    <ul>
                        <li>Learning Bitcoin fundamentals</li>
                        <li>Experiencing the event energy</li>
                        <li>Exploring the Expo Hall and main sessions</li>
                        <li>Flexible, accessible conference experience</li>
                    </ul>
                `
            }
        };

        // Initialize
        function init() {
            updateProgress();
            setupEventListeners();
        }

        // Setup event listeners
        function setupEventListeners() {
            // Option selection
            document.querySelectorAll('.option').forEach(option => {
                option.addEventListener('click', function() {
                    const container = this.closest('.question-container');
                    
                    // Remove previous selection
                    container.querySelectorAll('.option').forEach(opt => {
                        opt.classList.remove('selected');
                    });
                    
                    // Select this option
                    this.classList.add('selected');
                    
                    // Enable next button
                    const nextBtn = container.querySelector('.btn-next');
                    nextBtn.disabled = false;
                });
            });

            // Next buttons
            document.querySelectorAll('.btn-next').forEach(btn => {
                btn.addEventListener('click', handleNext);
            });

            // Back buttons
            document.querySelectorAll('.btn-back').forEach(btn => {
                btn.addEventListener('click', handleBack);
            });
        }

        // Handle next button
        function handleNext() {
            const container = document.querySelector(`[data-question="${currentQuestion}"]`);
            const selected = container.querySelector('.option.selected');
            
            if (!selected) return;

            // Save answer
            const passType = selected.dataset.pass;
            const points = parseInt(selected.dataset.points);
            
            answers[currentQuestion] = { passType, points };
            scores[passType] += points;

            if (currentQuestion < totalQuestions) {
                // Move to next question
                container.classList.remove('active');
                currentQuestion++;
                document.querySelector(`[data-question="${currentQuestion}"]`).classList.add('active');
                updateProgress();
            } else {
                // Show results
                showResults();
            }
        }

        // Handle back button
        function handleBack() {
            if (currentQuestion > 1) {
                // Remove previous answer from scores
                const prevAnswer = answers[currentQuestion];
                if (prevAnswer) {
                    scores[prevAnswer.passType] -= prevAnswer.points;
                    delete answers[currentQuestion];
                }

                // Move to previous question
                document.querySelector(`[data-question="${currentQuestion}"]`).classList.remove('active');
                currentQuestion--;
                const prevContainer = document.querySelector(`[data-question="${currentQuestion}"]`);
                prevContainer.classList.add('active');
                
                // Re-select previous answer
                const prevAnswerData = answers[currentQuestion];
                if (prevAnswerData) {
                    prevContainer.querySelectorAll('.option').forEach(opt => {
                        if (opt.dataset.pass === prevAnswerData.passType && 
                            parseInt(opt.dataset.points) === prevAnswerData.points) {
                            opt.classList.add('selected');
                        }
                    });
                }
                
                updateProgress();
            }
        }

        // Update progress bar
        function updateProgress() {
            const progress = ((currentQuestion - 1) / totalQuestions) * 100;
            document.getElementById('progressFill').style.width = progress + '%';
        }

        // Show results
        function showResults() {
            // Determine winner
            let winner = 'pro'; // default
            let maxScore = scores.pro;

            if (scores.whale > maxScore) {
                winner = 'whale';
                maxScore = scores.whale;
            } else if (scores.whale === maxScore) {
                // Tie between whale and pro -> recommend whale
                winner = 'whale';
            }

            if (scores.ga > maxScore) {
                winner = 'ga';
            } else if (scores.ga === scores.pro && scores.ga > scores.whale) {
                // Tie between ga and pro -> recommend pro
                winner = 'pro';
            }

            // Display results
            const result = results[winner];
            document.getElementById('resultIcon').textContent = result.icon;
            document.getElementById('resultTitle').textContent = result.title;
            document.getElementById('resultSubtitle').textContent = result.subtitle;
            document.getElementById('resultDescription').innerHTML = result.description;
            document.getElementById('passType').textContent = winner.toUpperCase();

            // Hide quiz, show results
            document.querySelectorAll('.question-container').forEach(q => q.classList.remove('active'));
            document.getElementById('resultsContainer').classList.add('active');
            document.querySelector('.progress-bar').style.display = 'none';
            document.querySelector('.quiz-header').style.display = 'none';

            // Submit to HubSpot Forms API
            submitToHubSpot(winner);
        }

        // Submit quiz data to HubSpot Forms API
        function submitToHubSpot(passRecommendation) {
            const portalId = '242236444';
            const formId = '2780cab0-ff4b-4c9c-aeae-3ca90e9c4f8a';
            
            const formData = {
                fields: [
                    {
                        name: 'b26_recommended_pass',
                        value: passRecommendation.toUpperCase()
                    },
                    {
                        name: 'b26_promo_code',
                        value: 'PASSQUIZ'
                    },
                    {
                        name: 'b26_quiz_score_ga',
                        value: scores.ga.toString()
                    },
                    {
                        name: 'b26_quiz_score_pro',
                        value: scores.pro.toString()
                    },
                    {
                        name: 'b26_quiz_score_whale',
                        value: scores.whale.toString()
                    }
                ],
                context: {
                    pageUri: window.location.href,
                    pageName: 'Bitcoin 2026 Pass Quiz'
                }
            };

            fetch(`https://api.hsforms.com/submissions/v3/integration/submit/${portalId}/${formId}`, {
                method: 'POST',
                headers: {
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify(formData)
            })
            .then(response => response.json())
            .then(data => {
                console.log('Quiz results submitted to HubSpot:', data);
            })
            .catch(error => {
                console.error('Error submitting to HubSpot:', error);
            });
        }

        // Start quiz
        init();