document.addEventListener("DOMContentLoaded", function () {
  var animatedItems = document.querySelectorAll(".fade-in");

  if ("IntersectionObserver" in window) {
    var observer = new IntersectionObserver(
      function (entries) {
        entries.forEach(function (entry) {
          if (entry.isIntersecting) {
            entry.target.classList.add("visible");
            observer.unobserve(entry.target);
          }
        });
      },
      { threshold: 0.12, rootMargin: "0px 0px -40px 0px" }
    );

    animatedItems.forEach(function (item) {
      observer.observe(item);
    });
  } else {
    animatedItems.forEach(function (item) {
      item.classList.add("visible");
    });
  }

  var faqItems = document.querySelectorAll(".page-faq-item");
  faqItems.forEach(function (item) {
    var trigger = item.querySelector(".page-faq-question");
    if (!trigger) return;

    trigger.addEventListener("click", function () {
      var isActive = item.classList.contains("active");
      faqItems.forEach(function (faqItem) {
        faqItem.classList.remove("active");
      });
      if (!isActive) {
        item.classList.add("active");
      }
    });
  });
});