document.addEventListener('DOMContentLoaded', function () {
    // Navbar shrink on scroll
    const navbar = document.querySelector('.navbar');
    window.addEventListener('scroll', () => {
        if (window.scrollY > 50) {
            navbar.classList.add('bg-white', 'shadow-sm');
        } else {
            navbar.classList.remove('bg-white', 'shadow-sm');
        }
    });

    // 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 contactForm = document.querySelector('#contactForm');
    if(contactForm) {
        contactForm.addEventListener('submit', function(e) {
            e.preventDefault();
            // Basic validation
            let name = document.querySelector('#name').value;
            let email = document.querySelector('#email').value;
            let message = document.querySelector('#message').value;
            if(name && email && message) {
                alert('Mulțumim pentru mesaj! Momentan, acest formular este demonstrativ.');
                contactForm.reset();
            } else {
                alert('Vă rugăm completați toate câmpurile.');
            }
        });
    }
});