(function(){
  // var nav = document.getElementById('main-nav');
  var mq  = window.matchMedia('(max-width:600px)');

  /* ── hamburger toggle ── */
  // btn.addEventListener('click', function(){
 /* (btn).addEventListener('click', function(){
    var open = nav.classList.toggle('nav-open');
    btn.classList.toggle('open', open);
    btn.setAttribute('aria-expanded', String(open));
    btn.setAttribute('aria-label', open ? 'Close navigation' : 'Open navigation');
  }); */

  $( ".hamburger" ).each(function( index ) {
    // console.log( index + ": " + $( this ).text() );
    var nav;
    $( this ).click(function () {
      var navid= $(this).attr("data-navid") ;
      var id= $(this).attr("id") ;
      console.log(navid)  ;
      var btn = $("#"+id);
      nav = $("#"+navid);


      var open = nav.toggleClass('nav-open');
      btn.toggleClass('open', open);
      // btn.classList.toggle('open', open);
      btn.attr('aria-expanded', String(open));
      btn.attr('aria-label', open ? 'Close navigation' : 'Open navigation');
    });


    /* ── mobile: tap su .nav-link ▾ (livello 1) → espande dropdown ── */
    document.querySelectorAll('.nav-item > .nav-link').forEach(function(link){
      var item = link.parentElement;
      var dd   = item.querySelector(':scope > .dropdown');
      if(!dd) return;
      link.addEventListener('click', function(e){
        if(!mq.matches) return;
        e.preventDefault();
        item.classList.toggle('expanded');
      });
    });

    /* ── mobile: tap su .sub-trigger (livello 2) → espande submenu ── */
    document.querySelectorAll('.nav-item--sub > .sub-trigger').forEach(function(trigger){
      var subItem = trigger.parentElement;
      var subDd   = subItem.querySelector(':scope > .dropdown--sub');
      if(!subDd) return;
      trigger.addEventListener('click', function(e){
        if(!mq.matches) return;
        e.preventDefault();
        subItem.classList.toggle('expanded');
      });
    });

    /* ── chiudi nav quando si clicca un link foglia ── */
    document.querySelectorAll('.dropdown > a, .dropdown--sub > a').forEach(function(a){
      a.addEventListener('click', function(){
        if(mq.matches){
          nav.classList.remove('nav-open');
          btn.classList.remove('open');
          btn.setAttribute('aria-expanded','false');
        }
      });
    });

    /* ── reset su resize ── */
    mq.addEventListener('change', function(e){
      if(!e.matches){
        nav.classList.remove('nav-open');
        btn.classList.remove('open');
        document.querySelectorAll('.nav-item, .nav-item--sub').forEach(function(i){
          i.classList.remove('expanded');
        });
      }
    });

  });

})();