/* IRK modal close button fix:
   - X stays inside the modal window (not pinned to viewport edge)
   - X remains visible while scrolling inside the modal overlay (sticky)
*/
#articleModal .article-modal-inner{ position: relative; }

#articleModal .article-modal-close{
  position: sticky;
  top: 12px;
  float: none;
  display: block;
  margin: 0 0 10px auto;
  z-index: 3;
}