enhance the photorealism of this interior render while keeping the scene exactly unchanged do not modify geometry objects furniture materials colors layout proportions or design details improve only the physical accuracy of lighting realistic natural daylight behavior soft and consistent shadow direction correct shadow softness based on light source subtle ambient occlusion at contact points realistic light bounce and global illumination refine material realism without changing textures increase surface depth wood grain marble glass metal realistic reflections and roughness natural exposure balance and neutral white balance no added objects no redesign no color grading change no stylization only realism enhancement
