... unfortunately, a site plan is missing here so that one can understand the floor plan situation.
And then ... a straight staircase, what you calculated there simply doesn't work at all.
That will be a super steep staircase.
Floor height 325 cm with a clear room height of 286 cm is 22 to 36 cm higher than the "normal" standard.
Therefore, for a staircase one should rather plan the following lengths:
So, staircase length rather 450 cm instead of 370 cm. It's not enough to just shift the staircase a little bit in the floor plan.
Otherwise, I agree with many comments here and also recommend reconsidering the living concept once again. Besides a closed kitchen or everything completely open, there is also
[*]Cooking / dining with a nice large table on the terrace
[*]Living with sofa/TV/reading corner in an enclosed room with a garden view