document.addEventListener('DOMContentLoaded', function () {
    // Navbar scroll effect
    const navbar = document.querySelector('.navbar');
    window.addEventListener('scroll', () => {
        if (window.scrollY > 50) {
            navbar.classList.add('scrolled');
        } else {
            navbar.classList.remove('scrolled');
        }
    });

    // 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'
            });
        });
    });

    // Contact form validation
    const form = document.querySelector('.contact-form');
    form.addEventListener('submit', function (e) {
        e.preventDefault();
        // Basic validation
        const name = form.querySelector('#name').value;
        const email = form.querySelector('#email').value;
        const message = form.querySelector('#message').value;

        if (name === '' || email === '' || message === '') {
            alert('Please fill out all fields.');
            return;
        }

        // On success
        alert('Thank you for your message!');
        form.reset();
    });
});