Luxurious Art Nouveau hotel lobby, ornate furnishings, flowing organic lines, sinuous curves, vibrant turquoise accents, rich gold leaf details, velvety soft rugs, plush velvet sofas, stained glass ceiling lights, intricate metalwork patterns, natural stone walls, grand staircase, elegant chandeliers, warm ambient lighting, 3/4 composition, shallow depth of field, realistic textures, ambient occlusion.