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'
            });
        });
    });

    // Navbar color change on scroll
    const navbar = document.querySelector('.navbar');
    if (navbar) {
        window.addEventListener('scroll', () => {
            if (window.scrollY > 50) {
                navbar.classList.add('bg-light', 'shadow');
            } else {
                navbar.classList.remove('bg-light', 'shadow');
            }
        });
    }

    // Form validation
    const contactForm = document.getElementById('contactForm');
    if(contactForm) {
        contactForm.addEventListener('submit', function (event) {
            if (!contactForm.checkValidity()) {
                event.preventDefault();
                event.stopPropagation();
            }
            contactForm.classList.add('was-validated');
        }, false);
    }
});