interior shot generate a photorealistic interior render using the existing staircase model exactly as modeled with no geometric changes design style high end contemporary london penthouse aesthetic with rich material contrast and tailored luxury stair materials dark smoked walnut timber treads with deep grain character and matte finish appearing thick and sculptural frameless low iron glass balustrades with recessed fixing channels brushed bronze handrail detailing with precision joinery walls and architectural detailing smooth plaster walls in warm light greige tones with modern architectural cornices incorporating concealed linear led channels ceiling transitions are clean and seamless with recessed shadow details landing spaces transform stair landings into intimate architectural pauses with custom built in bench seating integrated into wall niches seating includes large oversized cushions and layered pillows in charcoal boucle textured linen soft wool and muted neutral tones feature wall full height upholstered fabric accent wall with large vertical panel divisions and subtle stitching details material is textured woven fabric with tonal variation in warm taupe and deep grey shades flooring and supporting materials vein cut travertine flooring with soft movement and luxurious natural patterning lighting dramatic evening atmosphere with indirect lighting soft wall grazing concealed under tread illumination warm architectural glow atmosphere elegant london luxury residence understated sophistication premium residential interior photography realistic reflections and texture fidelity architecture
