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

    // Intersection Observer for scroll animations
    const observerOptions = {
        threshold: 0.1,
        rootMargin: "0px 0px -50px 0px"
    };

    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('fade-in');
                observer.unobserve(entry.target);
            }
        });
    }, observerOptions);

    document.querySelectorAll('.animate-on-scroll').forEach(element => {
        observer.observe(element);
    });

    // Mobile menu toggle (will be used by navbar component)
    window.toggleMobileMenu = function() {
        const menu = document.getElementById('mobile-menu');
        menu.classList.toggle('hidden');
    };
});