edit the exterior finishes of this existing 2 story garden apartment building keep the architecture layout windows roof trees cars pavement shadows and lighting exactly as shown do not change materials only adjust paint colors realistically apply new colors main stucco siding soft off white vertical column chimney elements light gray trim and fascia light gray window frames light grey metal railings and stair rails matte black balcony accent panels warm light gray preserve realistic material textures and lighting ensure shadows and highlights remain consistent photorealistic exterior architectural visualization