script.js

const menuButton = document.querySelector('.menu-button');
const navigation = document.querySelector('#site-nav');

menuButton?.addEventListener('click', () => {
  const isOpen = menuButton.getAttribute('aria-expanded') === 'true';
  menuButton.setAttribute('aria-expanded', String(!isOpen));
  navigation.classList.toggle('open', !isOpen);
});

navigation?.addEventListener('click', (event) => {
  if (event.target.closest('a')) {
    navigation.classList.remove('open');
    menuButton?.setAttribute('aria-expanded', 'false');
  }
});

document.querySelector('#year').textContent = new Date().getFullYear();

const revealItems = document.querySelectorAll('.reveal');
if ('IntersectionObserver' in window && !window.matchMedia('(prefers-reduced-motion: reduce)').matches) {
  const observer = new IntersectionObserver((entries) => {
    entries.forEach((entry) => {
      if (entry.isIntersecting) {
        entry.target.classList.add('visible');
        observer.unobserve(entry.target);
      }
    });
  }, { threshold: 0.12 });
  revealItems.forEach((item) => observer.observe(item));
} else {
  revealItems.forEach((item) => item.classList.add('visible'));
}