enhance this architectural visualization for photorealistic quality output strict geometry lock do not modify building geometry structure and massing must remain 100 identical facade material colors textures and finishes are frozen preserve exact hues saturation and material identity concrete glass cladding brick etc window placement proportions and reflections must stay unchanged all hardscape elements paths pavement streets remain as is enhancement scope apply only to 1 vegetation greenery enrich existing trees and shrubs with fuller more detailed foliage add contextual ground level planting ornamental grasses perennials hedges improve seasonal coherence of all plant material enhance tree canopy depth bark detail and shadow casting 2 sky atmospheric conditions replace or upgrade sky to dramatic golden hour blue hour overcast choose one clear midday sunset stormy cinematic add atmospheric haze depth of field cues in background match lighting direction consistently across facade and ground shadows 3 lighting quality improve ambient occlusion and shadow softness enhance specular highlights on glazing and metallic surfaces ensure sky ibl image based lighting coherence with facade 4 overall atmosphere boost photorealistic render quality sss on foliage atmospheric scattering add subtle lens characteristics slight vignette natural chromatic feel output intent high end architectural competition visualization preserve all design intent only atmosphere and nature are variables