photorealistic 3d architectural floor plan render 4k resolution exact top down view architectural archviz presentation strictly maintain the identical wall layout and structural placement from the reference image do not shift or alter any architectural lines do not add any furniture all standing structural walls are solid white the top cut off sections of the walls are a solid dark charcoal grey the interior spaces and floor finishes feature a consistent soft light beige plaster color all wooden elements including the two staircases must use a single identical type of light oak wood bright clean interior lighting with subtle shadows professional minimalist architectural presentation no clutter
