interior shot create a hyper realistic render from the existing staircase model while maintaining all stair geometry and dimensions exactly as provided design language modern london luxury residence blending organic forms with architectural precision stair materials natural walnut timber treads with rounded front edges and soft matte finish showcasing realistic wood grain variation and subtle imperfections floating tread appearance with hidden structural supports walls and detailing soft warm plaster walls with sculptural transitions and contemporary cornices featuring integrated indirect illumination architectural detailing should be subtle and expensive looking landing areas convert stair landings into relaxing lounge moments with built in curved seating niches include premium oversized pillows and cushions with layered textures including boucle woven linen wool blends and soft suede fabrics feature wall floor to ceiling fabric wall treatment with softly curved upholstered panels creating rhythm and depth neutral warm stone colour palette with tactile woven texture additional elements large sculptural ceramic objects oversized indoor trees curated books minimal contemporary accessories lighting natural daylight from skylights combined with warm integrated architectural lighting creating layered depth atmosphere quiet luxury london home luxury developer show home quality magazine editorial style highly realistic materials and lighting architecture