Hi mossy!
I really enjoyed this fugue, it's nice to listen to it! In general, it's really good (thera are some fiths reached by direct movement but it really doesn't matter) Like, in b.13 there is a seven interval (B and A) between the second and first voice which is not resolved. Maybe it's an stylistic choice but if you wanted to properly copy baroque style you should resolve that interval. Furthermore, due to tuning limitations, baroque composers didn't modulate to far keys (C# minor to C major). Again, this only matters if you want to fully copy the style.
But I really liked this fugue! Thanks for sharing!
(Post Scriptum, I hope my poor choice of words didn't make the text ununderstandable, i'm still learning english!)