text: const menuBtn = document.querySelector('.menu-btn');
  const hamburger = document.querySelector('.menu-btn__burger');
  const nav = document.querySelector('.nav');
  const menuNav = document.querySelector('.menu-nav');
  const navItems = document.querySelectorAll('.menu-nav__item');
  
  let showMenu = false;
  
  menuBtn.addEventListener('click', toggleMenu);
  
  function toggleMenu() {
      if (!showMenu) {
          hamburger.classList.add('open');
          nav.classList.add('open');
          menuNav.classList.add('open');
          navItems.forEach(item => item.classList.add('open'))
          showMenu = true;
      } else {
          hamburger.classList.remove('open');
          nav.classList.remove('open');
          menuNav.classList.remove('open');
          navItems.forEach(item => item.classList.remove('open'))
          showMenu = false
      }
  }
  