(function () {
  const toggle = document.querySelector("[data-nav-toggle]");
  const nav = document.querySelector("[data-nav]");

  if (toggle && nav) {
    toggle.addEventListener("click", function () {
      const isOpen = nav.classList.toggle("is-open");
      toggle.setAttribute("aria-expanded", String(isOpen));
    });
  }

  document.querySelectorAll("a[href*='#']").forEach(function (link) {
    link.addEventListener("click", function () {
      if (nav && nav.classList.contains("is-open")) {
        nav.classList.remove("is-open");
        if (toggle) toggle.setAttribute("aria-expanded", "false");
      }
    });
  });
})();