enhance the lighting and overall atmosphere of this architectural interior render to make it look more professional realistic natural and visually refined important preserve the original image exactly do not change add remove redesign replace or reposition any element in the scene strictly keep unchanged all architectural geometry and modeling walls ceilings floors openings doors windows furniture decoration accessories and built in elements all materials textures colors finishes patterns and surface properties furniture dimensions proportions and positions camera angle perspective composition and framing all architectural details and design lines only improve overall lighting quality natural light balance artificial light balance light intensity and distribution realistic light falloff soft and natural shadows global illumination ambient lighting exposure and contrast white balance subtle color grading overall visual atmosphere and photorealism the result should look like a professionally photographed high end architectural interior with realistic and physically believable lighting while maintaining the exact original design and appearance do not reinterpret the design do not modify any materials or their appearance do not change colors do not add new light fixtures or light sources do not remove or alter existing elements do not change the architectural design in any way most important the final image must remain identical in composition geometry materials proportions camera perspective and image framing only the lighting exposure atmosphere and subtle photographic quality may be improved preserve the exact original image dimensions and aspect ratio do not crop resize stretch extend or change the image resolution or proportions