\Opulent staircase, flowing Art Nouveau curves, ornate railings with organic motifs, sinuous banisters, grandiose landings, polished wooden treads, intricate metalwork details, soft warm lighting, atmospheric shadows, 1/1 composition, shallow depth of field, realistic textures, ambient occlusion, luxurious velvet upholstery, richly patterned carpets, decorative wall mirrors, lavish chandeliers, elegant candelabras.\