improve the realism of the provided interior render while strictly preserving the original composition camera and geometry strict rules must follow do not change camera framing proportions or architecture do not redesign or move any elements do not add any new elements except the curtain in specified areas do not place curtains anywhere else in the image curtain placement critical add a white translucent curtain only in the exact areas that are currently highlighted in red in the reference image left and right side zones behind the reception desk the curtain must follow the existing curved geometry of the space it must start exactly where the red area begins and end exactly where the red area ends do not extend the curtain outside these zones do not place any curtain in the central part of the scene do not add curtain anywhere that is not marked red curtain properties light sheer white fabric soft vertical folds realistic translucency partially revealing the lockers behind subtle light diffusion and soft shadows physically accurate fabric behavior materials white plaster walls and ceiling fine matte texture light terrazzo floor with subtle grain matte black reception desk with brushed brass base light grey acoustic ceiling panels lighting soft natural daylight from windows realistic global illumination soft shadows no overexposure style ultra realistic photorealistic architectural visualization high detail 8k kl ov st kter to fixne add curtain only in the red highlighted areas do not place curtains anywhere else