Luxurious Art Nouveau hotel lobby, intricate sinuous lines, flowing organic forms, ornate metalwork, stained glass ceilings, grand chandeliers, rich velvet fabrics, polished marble floors, vibrant turquoise accents, innovative materials, 3D-printed fixtures, iridescent glass mosaics, sculptural furnishings, curvaceous wooden panels, soft warm lighting, shallow depth of field, 2/3 composition, elegant staircases, ornate elevators, lavish drapery, botanical patterns, organic textures, ambient occlusion.