How it works
Each layer has data-speed; one scrubbed timeline translates layers by speed × distance.
Sunrise over the Himalaya: five mountain ranges moving at five scroll speeds.
Each layer has data-speed; one scrubbed timeline translates layers by speed × distance.
Layers are promoted with will-change: transform only while the section is active.
Runs inside useGSAP with the effective reduced-motion flag as a dependency — reduced mode swaps scrubbed motion for simple fades.
{
"lerp": 0.1,
"scrub": 0,
"markers": false,
"depth": 1
}