/* fx 2afd664a4b809285 */

if (window.__fxs0) throw 'fx: this script already ran inline';
document.documentElement.classList.add('js');

(function () {
  'use strict';

  var mq = window.matchMedia ? window.matchMedia('(prefers-reduced-motion: reduce)') : null;
  var reduce = mq ? mq.matches : false;

  /* ---------- mobile navigation (closed state is CSS-owned) ---------- */
  var btn = document.getElementById('menuBtn');
  var nav = document.getElementById('primary-nav');

  function closeNav() {
    if (!nav || !btn) return;
    nav.classList.remove('open');
    btn.setAttribute('aria-expanded', 'false');
  }

  if (btn && nav) {
    btn.addEventListener('click', function () {
      var open = nav.classList.toggle('open');
      btn.setAttribute('aria-expanded', open ? 'true' : 'false');
    });

    nav.addEventListener('click', function (e) {
      if (e.target.closest('a')) closeNav();
    });

    document.addEventListener('keydown', function (e) {
      if (e.key === 'Escape' && nav.classList.contains('open')) {
        closeNav();
        btn.focus();
      }
    });

    window.addEventListener('resize', function () {
      if (window.innerWidth > 920) closeNav();
    });
  }

  /* ---------- sticky header height -> anchor offset ---------- */
  var header = document.querySelector('.site-header');
  function syncHeader() {
    if (!header) return;
    document.documentElement.style.setProperty('--hdr', header.offsetHeight + 'px');
  }
  syncHeader();
  window.addEventListener('resize', syncHeader);
  window.addEventListener('load', syncHeader);

  /* ---------- shared reveal utility (stagger via --delay) ---------- */
  var items = Array.prototype.slice.call(document.querySelectorAll('.anim'));

  function revealAll() {
    items.forEach(function (el) { el.classList.add('in'); });
  }

  if (reduce || !('IntersectionObserver' in window)) {
    revealAll();
  } else {
    var io = new IntersectionObserver(function (entries) {
      entries.forEach(function (entry) {
        if (entry.isIntersecting) {
          entry.target.classList.add('in');
          io.unobserve(entry.target);
        }
      });
    }, { rootMargin: '0px 0px -8% 0px', threshold: 0.08 });

    items.forEach(function (el) { io.observe(el); });

    window.addEventListener('load', function () {
      items.forEach(function (el) {
        var r = el.getBoundingClientRect();
        if (r.top < window.innerHeight && r.bottom > 0) el.classList.add('in');
      });
    });
  }

  /* ---------- scroll progress hairline (transform only) ---------- */
  var bar = document.getElementById('progressBar');
  var ticking = false;

  function paintProgress() {
    ticking = false;
    if (!bar) return;
    var doc = document.documentElement;
    var max = doc.scrollHeight - window.innerHeight;
    var p = max > 0 ? Math.min(1, Math.max(0, window.pageYOffset / max)) : 0;
    bar.style.transform = 'scaleX(' + p.toFixed(4) + ')';
  }

  function onScroll() {
    if (!ticking) {
      ticking = true;
      window.requestAnimationFrame(paintProgress);
    }
  }

  window.addEventListener('scroll', onScroll, { passive: true });
  window.addEventListener('resize', onScroll);
  paintProgress();

  /* ---------- pause the tools marquee on hidden tabs ---------- */
  var track = document.getElementById('marqueeTrack');
  document.addEventListener('visibilitychange', function () {
    if (!track) return;
    track.style.animationPlayState = document.hidden ? 'paused' : 'running';
  });
})();