/* Activate by adding data-gap="probe" to hero so we don't blanket override */
section.hero[data-gap="probe"]{
  padding-bottom: 0 !important;  /* remove %/vh padding-based whitespace */
}
/* The only whitespace we use: a sibling block right after hero */
#heroAfterSpacer{
  height: 0;     /* JS sets this to the exact clearance needed */
  width: 100%;
  pointer-events: none;
}