enhance this exact bathroom render to photorealistic 4k quality keep all geometry layout fixtures and materials unchanged improve realism only crisp carrara marble texture with natural depth and subtle veining accurate soft reflections on the polished tiles and glass screen realistic aged brass with fine brushed metal detail and gentle highlights smooth ceramic sheen on the bathtub refine the lighting to soft even natural daylight with warm ambient fill realistic soft shadows and a gentle glow from the niche led strip sharpen edges and surface detail remove render noise and banding maintain true white balance and clean neutral tones do not add move or remove any objects decor or fixtures high end architectural visualisation photorealistic ultra detailed 4k
