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

    // Fade-in animation on scroll
    const faders = document.querySelectorAll('.fade-in');
    const appearOptions = {
        threshold: 0.3,
        rootMargin: "0px 0px -50px 0px"
    };

    const appearOnScroll = new IntersectionObserver(function (entries, appearOnScroll) {
        entries.forEach(entry => {
            if (!entry.isIntersecting) {
                return;
            }
            entry.target.classList.add('visible');
            appearOnScroll.unobserve(entry.target);
        });
    }, appearOptions);

    faders.forEach(fader => {
        appearOnScroll.observe(fader);
    });
});