/* =========================================================
   PROOF STACK (sticky proof wall + pills rise over)
   This wrapper makes sticky end correctly (so you never see
   the sticky section again once you scroll past it).
   ========================================================= */

.im-proof-stack{
  position: relative;
  /* controls how long the sticky phase lasts */
  min-height: 180vh;
}

/* Proof wall sticks to the viewport ONLY while inside this wrapper */
.im-proof-stack .im-proof-wall{
  position: sticky;
  top: 0;
  z-index: 1;

  /* make it feel like the “panel” that sits behind */
  min-height: 100vh;

  /* important: don’t let the wrapper collapse weirdly */
  overflow: hidden;
}