app.js

const hamburgerMenu = document.querySelector('#navigation .nav-icon');
const navContent = document.querySelector('#nav-content');
const closeNavButton = document.querySelector('#nav-content .close-btn');
const navLinks = document.querySelectorAll('#nav-content nav ul li a');
const scrollButton = document.querySelector(".scroll-top");

// scroll TOP Button Events

if(scrollButton){
  window.addEventListener('scroll', ()=> {
    if(pageYOffset > (window.innerHeight * 1.2)){
      scrollButton.style.display="flex";
    }else{
      scrollButton.style.display="none";
    }
  });
  scrollButton.addEventListener("click", () => {
    window.scrollTo(0, 0);
  });
}

// Hamburger Menu events
hamburgerMenu.addEventListener('click', ()=>{
  navContent.classList.add('show');
  document.body.style.overflow="hidden";
});
closeNavButton.addEventListener('click', ()=>{
  navContent.classList.remove('show');
  document.body.style.overflow="initial";
});
navLinks.forEach( link => {
  link.addEventListener('click', ()=> {
    navContent.classList.remove('show');
    document.body.style.overflow="initial";
  })
})