enhance this image to a refined architectural portfolio style while preserving the exact layout geometry and composition do not change any walls furniture materials or proportions focus on the following elevate the white background into a soft textured paper like surface subtle watercolor or fine grain add gentle realistic cloud shadows cast across the ground plane for depth improve the raised 3d portion with soft ambient lighting and natural global illumination ensure interior spaces within the rendered portion glow with warm realistic lighting lamps and indirect light visible through windows openings increase contrast between the flat plan linework and the raised rendered portion refine material realism slightly wood fabrics stone without altering colors or design add soft contact shadows beneath the 3d mass to ground it maintain a clean minimal high end presentation suitable for an interior design portfolio the result should feel atmospheric architectural and composed with a balance between diagrammatic plan and photoreal rendering do not redesign or reinterpret any elements
