Really dig the textures and vibe!
Only thing that felt a bit off to me (and this might be just me) was that since the piano was on the right, my left ear felt a bit lonely at times because of that (although there were a couple notes that jumped to the left at parts somehow).
But nevertheless, you managed to get a fantastic ambiance and feel on this, good stuff!
Also as a tip that came to mind for this, I'm not sure if you know of this but you can change the panning "mode" on DAWS to an alternate mode that lets you pan the Left and Right channels separately, which you can usually access by right clicking the PAN controls on a track.
Since you seem to do this type of ambient music, it might be useful for not making things take too much of the stereo field. I only found out about it myself a couple months back, but its been great for changing the position of stuff like sampled orchestra sections.
in Reaper its called the DUAL PAN mode, and changes the pan knob to sliders for Left and Right.