document.addEventListener('DOMContentLoaded', function() {
    // Intersection Observer for animations
    const animateOnScroll = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('fade-in');
                animateOnScroll.unobserve(entry.target);
            }
        });
    }, { threshold: 0.1 });

    // Observe all sections
    document.querySelectorAll('section').forEach(section => {
        animateOnScroll.observe(section);
    });

    // Smooth scrolling for anchor links
    document.querySelectorAll('a[href^="#"]').forEach(anchor => {
        anchor.addEventListener('click', function(e) {
            e.preventDefault();
            const target = document.querySelector(this.getAttribute('href'));
            if (target) {
                target.scrollIntoView({ behavior: 'smooth' });
            }
        });
    });

    // Mobile menu toggle (will be handled by navbar component)
});