This is “full job/project” front-end designer with story-board and a lot of work (aaawards site style). With a budget you can do everything
In general if you put background video (autoplay) and create webflow delay animation it could ± work (But in your reference thier is a lot more).
on time (by delay) 2:05
show section X on time 3:05
hide. Maybe try this idea (Sync manually - like subtitles for movie).