create an ultra realistic luxury staircase interior render based exactly on the provided image keep the same staircase design stone stair finish walnut clad side volume glass railing floor layout door position wall positions and camera angle exactly as shown do not change the design or geometry in any way main goal make this render look fully realistic refined and professionally photographed not cgi improve realism in materials lighting reflections shadows texture depth and small architectural details keep the atmosphere warm elegant minimal and premium materials keep the large side stair cladding in the same dark warm walnut smoked walnut veneer style with rich natural grain subtle tonal variation seamless texture mapping and a premium matte satin finish make the wood feel luxurious and realistic not too orange not too red not too black and not grey keep the stair treads and landing in the same stone material but make them much more realistic with proper texture depth refined edge detail subtle surface variation and believable reflection make the floor realistic and high end with correct tile scale realistic joints subtle reflections and natural stone character stair and railing keep the modern glass railing minimal elegant and fully transparent with refined detailing make the glass more realistic with subtle reflection thickness and clean edges keep the staircase crisp architectural and premium accessories and styling add a few minimal modern accessories to make the scene feel more real and less empty keep the styling very subtle and architectural not cluttered you can place one or two refined accessories near the stair landing or lower area such as a sculptural vase a minimal ceramic object or a tasteful indoor plant accessories should feel integrated into a luxury interior and not distract from the architecture door and openings keep the left door as a glass door remove all opening lines from the door and visible openings keep the door minimal clean and realistic lighting and realism use soft natural daylight with realistic light falloff keep the sunlight and shadows natural and photographic add realistic contact shadows ambient occlusion soft reflections and more believable material response reduce the cgi feel and make the image read like a real editorial interior photo important do not change the design do not change the stair proportions cladding form railing design door position or layout do not move architectural elements only improve realism material quality lighting and add a few subtle modern accessories add this line too make the final image look like a professionally photographed luxury staircase interior with premium walnut veneer realistic stone finishes minimal glass railing subtle styling and natural architectural light
