Opulent staircase, ornate railings, flowing organic lines, sinuous curves, intricate metalwork, bronze or copper accents, Art Nouveau patterns, luxurious velvet carpets, grand chandelier, high ceilings, majestic windows, natural light pouring in, rich wood paneling, curved banisters, elegant newel posts, decorative moldings, subtle warm lighting, shallow depth of field, 1/1 composition, realistic textures, ambient occlusion.