window.onload = function(){
    init();
};


function slugify(text) {
  return text.trim()
    .toLowerCase()
    .normalize('NFD').replace(/[\u0300-\u036f]/g, '')
    .replace(/[^a-z0-9\s-]/g, '')
    .replace(/\s+/g, '-')
    .replace(/-+/g, '-');
}

function addHeadingIds(root) {
  root.querySelectorAll('h3, h4').forEach(heading => {
    if (!heading.id) {
      heading.id = slugify(heading.textContent);
    }
  });
}

function init(){
    let fadeEl = document.getElementById('fade');
    if (fadeEl) {
        fadeEl.classList.add('loaded');
    }
    addHeadingIds(document);
}