const nav = document.querySelector('.st-nav');
const openButton = document.querySelector('.st-open-nav');
const closeButton = document.querySelector('.st-close-nav');

openButton.addEventListener('click', () => {
    nav.classList.add('st-nav-is-open');
});

closeButton.addEventListener('click', () => {
    nav.classList.remove('st-nav-is-open');
});

let lastScrollPosition = 0;

window.addEventListener('scroll', function(event) {
    const scrollPosition = window.scrollY;
    console.log(scrollPosition);
    lastScrollPosition = scrollPosition;
});