/* Journey only: native assistance, not a one-gesture/one-step lock. */
html { scroll-snap-type: y proximity; }
.journey-snap-marker {
  position:absolute;
  top:var(--journey-snap-top,0px);
  left:0;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
  scroll-snap-align:start;
  scroll-snap-stop:always;
}
@media (prefers-reduced-motion:reduce) {
  html { scroll-snap-type:none; }
  .journey-snap-marker { display:none; }
}