document.addEventListener('DOMContentLoaded', function() {
    // Animate elements on scroll
    const animateOnScroll = function() {
        const elements = document.querySelectorAll('.animate-on-scroll');
        
        elements.forEach(element => {
            const elementPosition = element.getBoundingClientRect().top;
            const screenPosition = window.innerHeight / 1.3;
            
            if (elementPosition < screenPosition) {
                element.classList.add('animate-fade-in');
            }
        });
    };
    
    // Run once on load
    animateOnScroll();
    
    // Run on scroll
    window.addEventListener('scroll', animateOnScroll);
    // Mobile menu toggle
    document.addEventListener('click', function(e) {
      const mobileMenuButton = e.target.closest('#mobile-menu-button');
      const mobileMenu = document.getElementById('mobile-menu');
      
      if (mobileMenuButton && mobileMenu) {
        mobileMenu.classList.toggle('open');
        const icon = mobileMenuButton.querySelector('i');
        if (mobileMenu.classList.contains('open')) {
          feather.replace({ name: 'x' });
        } else {
          feather.replace({ name: 'menu' });
        }
      }
    });
// Form submission
    const form = document.querySelector('form');
    if (form) {
        form.addEventListener('submit', function(e) {
            e.preventDefault();
            // Here you would typically send the form data to your server
            alert('Спасибо! Мы свяжемся с вами в ближайшее время.');
            form.reset();
        });
    }
});