(function () {
  document.documentElement.classList.add('js-ready');

  // Reveal-on-scroll
  if ('IntersectionObserver' in window) {
    var io = new IntersectionObserver(function (entries) {
      entries.forEach(function (e) {
        if (e.isIntersecting) {
          e.target.classList.add('in');
          io.unobserve(e.target);
        }
      });
    }, { threshold: .12, rootMargin: '0px 0px -8% 0px' });
    document.querySelectorAll('.rv').forEach(function (el) { io.observe(el); });
  } else {
    document.querySelectorAll('.rv').forEach(function (el) { el.classList.add('in'); });
  }

  // CTA fixo mobile: aparece depois de rolar além do hero, some no calendário
  var cta = document.getElementById('mobileCta');
  var agendar = document.getElementById('agendar');
  if (cta) {
    window.addEventListener('scroll', function () {
      var passouHero = window.scrollY > window.innerHeight * 0.6;
      var noAgendar = agendar && agendar.getBoundingClientRect().top < window.innerHeight;
      if (passouHero && !noAgendar) { cta.classList.add('show'); }
      else { cta.classList.remove('show'); }
    }, { passive: true });
  }

  // Fallback do iframe do calendário
  setTimeout(function () {
    if (!window.__calLoaded) {
      var fb = document.getElementById('calFallback');
      if (fb) { fb.style.display = 'flex'; }
    }
  }, 5000);

  // Carrossel de depoimentos
  (function () {
    var track = document.getElementById('depoTrack');
    if (!track) return;
    var slides = track.querySelectorAll('.depo-slide');
    var dots = document.querySelectorAll('.depo-dots button');
    var prev = document.querySelector('.depo-nav.prev');
    var next = document.querySelector('.depo-nav.next');
    if (!slides.length) return;
    var idx = 0, timer;
    var reduced = window.matchMedia('(prefers-reduced-motion: reduce)').matches;

    function go(i) {
      idx = (i + slides.length) % slides.length;
      track.scrollTo({
        left: slides[idx].offsetLeft,
        behavior: reduced ? 'auto' : 'smooth'
      });
      dots.forEach(function (d, k) { d.setAttribute('aria-selected', k === idx); });
    }
    function loop() { if (reduced) return; timer = setInterval(function () { go(idx + 1); }, 4000); }
    function stop() { clearInterval(timer); }

    if (prev) prev.addEventListener('click', function () { stop(); go(idx - 1); loop(); });
    if (next) next.addEventListener('click', function () { stop(); go(idx + 1); loop(); });
    dots.forEach(function (d, k) {
      d.addEventListener('click', function () { stop(); go(k); loop(); });
    });
    track.addEventListener('pointerenter', stop);
    track.addEventListener('pointerleave', loop);
    loop();
  })();
})();