transform the stair zone into a bold iconic mediterranean carved plaster volume completely remove all existing 90 degree ceiling intersections sharp angles and triangular ceiling geometry above the stair replace the entire stair wall and ceiling area with one continuous sculptural plaster form that flows from floor to ceiling in a single uninterrupted sweep the curved stair wall must thicken and rise upward merging seamlessly into a soft vaulted ceiling there should be no visible corner lines seams or angular transitions in the stair zone the form should feel carved from a solid block of plaster not constructed from planes exaggerate the curvature and mass so the stair reads as a dramatic architectural sculpture the ceiling above the stair should become a smooth elliptical vault not a flat plane increase depth and shadow through concealed warm grazing light integrated at the crest of the curve warm mineral lime plaster finish subtle tonal variation matte texture maintain the rest of the interior unchanged push the sculptural expression further than subtle refinement refine the sculpted stair volume into a smooth modern architectural form maintain the continuous ceiling sweep but reduce visual heaviness thin the curved wall profile slightly and sharpen its edges for a more contemporary feel remove the rounded base column and integrate the stair wall cleanly into the floor plane introduce a precise concealed linear slot light at the crest of the ceiling curve to create strong grazing shadows use a refined mineral plaster finish in soft neutral white with minimal warmth eliminate any overly romantic or heavy mediterranean detailing the result should feel sculptural modern restrained and architectural
