function showVideoOverlay() {
  const overlay = document.getElementById('videoOverlay');
  const frame = document.getElementById('youtubeFrame');
  overlay.classList.remove('d-none');
  frame.src += "?autoplay=0"; // Trigger autoplay
}

function hideVideoOverlay() {
  const overlay = document.getElementById('videoOverlay');
  const frame = document.getElementById('youtubeFrame');
  overlay.classList.add('d-none');
  frame.src = frame.src.replace("&autoplay=1", ""); // Stop video
}