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 animations on scroll
    const observer = new IntersectionObserver((entries) => {
        entries.forEach(entry => {
            if (entry.isIntersecting) {
                entry.target.classList.add('fade-in');
            }
        });
    }, { threshold: 0.1 });

    document.querySelectorAll('section').forEach(section => {
        section.classList.add('fade-in-hidden');
        observer.observe(section);
    });
});

// Add fade-in CSS
const style = document.createElement('style');
style.innerHTML = `
.fade-in-hidden {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in {
    opacity: 1;
    transform: translateY(0);
}
`;
document.head.appendChild(style);