in trance (or house, techno, electro,...) you should definitely put a kick on every beat and snare/clap on every other beat, than add some hihats and percussion to create some cool groove

melodies are actually quite catchy, but a lack of any solid bassline rhythm and 4/4 kick kinda kills the impression

arrangement is ok, you got some ideas about song structure

mixing is quite bad, biggest problem is that there aren't any solid low frequencies, kick is pretty drowned behind that synth and the hihat should be a bit quiter (high-frequency stuff (8k+) doen't have to be that loud to "feel" loud).. just practice a lot, maybe compare loudness of certain things with some professional song and then try to mimick it.

hope this helps a bit and good luck with future production!