photorealistic enhancement only do not modify any colours textures or materials in the space except for the sofas and the specified blue upholstery tone maintain the original finishes exactly as shown flooring walls joinery stone ceiling and all existing furniture improve realism high resolution accurate shadows soft ambient artificial lighting realistic reflections and refined material detail update the sofas only change upholstery to a combination of light grey and dark navy blue subtle deep navy not glossy keep the sofa design shape placement and proportions unchanged important ensure the navy blue colour is consistent across the furniture apply the same dark navy tone to both the top and bottom sections of the relevant upholstered furniture elements do not use different shades of blue the light grey tone must remain unchanged and consistent add troffer lights integrated into the existing grid ceiling aligned cleanly within the ceiling grid layout with realistic illumination not overly bright add a glass balustrade to the upper floor edge void area above using clear glass panels with silver chrome fittings silver posts clamps or slim top rail keep fittings minimal and modern ensuring the balustrade integrates naturally with the existing architecture and remains realistic without excessive glare or reflections keep the lighting troffer lights 1200 x 600 mm
