\Intricate Art Nouveau staircase, swirling organic lines, flowing curvatures, luxurious velvet fabrics, rich jewel-toned colors, emerald green, sapphire blue, amethyst purple, golden accents, ornate metalwork, filigree patterns, natural stone steps, carved wooden banisters, dramatic chandelier lighting, soft warm glow, low-contrast shading, cinematic camera angle, 1/2 composition, realistic textures, ambient occlusion.\