Production is very clean, dig it. Vibe is very enjoyable.
I'd look at implementing some mod wheel or modulation of some kind on the synths when they play leads so they don't just stagnate after hitting their trigger. They are fine as is now, it would definitely help them go to the next level.
2:54-3:03 nice original bridge to transition back to the head.
0:55-1:04 and 3:21-3:37 both get very full and are approaching muddy. While they are brief sections, see if there's anything you could do to clean them up some. I'm guessing it's a wash of reverb on the pads that's causing it.
Double check that you don't have clipping going on too, I suspect there may be some at 0:55 or it's a compression/limiter artifact. Unfortunately I'm unable to download the audio file from YouTube to check it in DAW.
Arrangement is solid, production issues are minor and can be fixed. I'd like to see this with the tiny bit of clean-up and then submitted as it's very close to done IMO, for now I'm placing it back to WIP.