Intricate Art Nouveau architecture, ornate metalwork, flowing curvilinear lines, organic shapes inspired by nature, elegant stained glass windows, botanical motifs, vines and flowers entwined with iron, grand entrance, sweeping staircases, luxurious velvet drapes, intricate wooden carvings, ornate mirrors, soft warm lighting, 19th century European city, evening atmosphere, misty fog rolling in, subtle moonlight, cinematic composition, detailed textures, realistic rendering.