Oh my... Gawd

Gravey, Gravey, Gravey...

I'm going to have to agree with your statement. Hardstyle? Definitely not. Nu-Hardstyle? Possibly... Although I see hardly anything replicating the essence of hardstyle within this song.

Anyways, to the song... I'm going to have to give you props on it.

The volume is fine, just possibly hard to the ear (for some people).
The rocking-out/hardstyle bit is just oddly... creative.
The music that starts at 1:57 is beautiful, like all your classical/other music.
The whole song is epic.

I don't care what this genre is. It's Gravey. 10/10