Train de nuit dans les montagnes · Élégance Art déco

Retro vintage poster artwork of a night train crossing a viaduct into the mountains, in Art Deco style with gold and deep navy and sleek geometric lines. Bold simplified shapes, a limited color palette, halftone texture and aged paper grain, strong graphic composition. Purely visual: no text, no lettering, no numbers, no logos. Vertical 4:5.