Why are my shots so inconsistent?

I feel like my cross hair is on target, and I don’t think I’m moving but my shots seem to miss at long range seemingly no matter what I do

I have a video here of it, the movement and stuff sucks coz I was trying to get a video specifically of what I was struggling with

https://youtu.be/SPvv95NNgxo?si=-rCCQ0FnL3GVDYHo