arrives once, stays
three sections, each arriving as it enters the viewport, its cards staggered
01
a section
Wrap a region and it arrives as it enters the viewport. Once in, it stays: scrolling back never hides it. Under prefers-reduced-motion nothing moves.
02
another
Wrap a region and it arrives as it enters the viewport. Once in, it stays: scrolling back never hides it. Under prefers-reduced-motion nothing moves.
03
a third
Wrap a region and it arrives as it enters the viewport. Once in, it stays: scrolling back never hides it. Under prefers-reduced-motion nothing moves.