document.addEventListener('DOMContentLoaded', function() {
    // Add animation classes to sections when they come into view
    const sections = document.querySelectorAll('section');
    
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('fade-in', 'slide-up');
            }
        });
    }, {
        threshold: 0.1
    });

    sections.forEach(section => {
        observer.observe(section);
    });

    // 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) {
                window.scrollTo({
                    top: targetElement.offsetTop - 80,
                    behavior: 'smooth'
                });
            }
        });
    });
});