// Expandable content functionality
function setupExpandableButtons() {
    document.querySelectorAll('.expandable-button').forEach(button => {
        button.addEventListener('click', function() {
            const contentId = this.getAttribute('data-target');
            const content = document.getElementById(contentId);
            const icon = this.querySelector('i');
            
            // Toggle active class
            content.classList.toggle('active');
            
            // Update icon and aria attributes
            const isExpanded = content.classList.contains('active');
            this.setAttribute('aria-expanded', isExpanded);
            
            if (isExpanded) {
                icon.setAttribute('data-feather', 'chevron-up');
            } else {
                icon.setAttribute('data-feather', 'chevron-down');
            }
            
            feather.replace();
        });
    });
}

// Mobile menu toggle functionality
document.addEventListener('DOMContentLoaded', function() {
    setupExpandableButtons();
// FAQ toggle functionality
    document.querySelectorAll('[data-feather="chevron-down"]').forEach(icon => {
        const button = icon.parentElement;
        const content = button.nextElementSibling;
        
        button.addEventListener('click', () => {
            const isExpanded = content.classList.toggle('hidden');
            
            if (isExpanded) {
                icon.setAttribute('data-feather', 'chevron-down');
            } else {
                icon.setAttribute('data-feather', 'chevron-up');
            }
            
            feather.replace();
        });
    });

// Initialize Feather Icons
    feather.replace();
    
    // Mobile menu toggle (will be added to navbar component)
    const mobileMenuBtn = document.querySelector('.mobile-menu-btn');
    const navLinks = document.querySelector('.nav-links');
    
    if (mobileMenuBtn && navLinks) {
        mobileMenuBtn.addEventListener('click', function() {
            navLinks.style.display = navLinks.style.display === 'flex' ? 'none' : 'flex';
        });
    }
    
    // Smooth scrolling for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            e.preventDefault();
            
            const targetId = this.getAttribute('href');
            if (targetId === '#') return;
            
            const targetElement = document.querySelector(targetId);
            if (targetElement) {
                targetElement.scrollIntoView({
                    behavior: 'smooth'
                });
            }
        });
    });
    
    // Add animation class when elements come into view
    const animateOnScroll = function() {
        const elements = document.querySelectorAll('.card-hover, .fade-in');
        
        elements.forEach(element => {
            const elementPosition = element.getBoundingClientRect().top;
            const screenPosition = window.innerHeight / 1.2;
            
            if (elementPosition < screenPosition) {
                element.classList.add('animate');
            }
        });
    };
    
    window.addEventListener('scroll', animateOnScroll);
    animateOnScroll(); // Run once on page load
});