Retro Pop Art Travel Poster

A bold, energetic travel poster in a retro pop-art collage style, vertical composition. The background features vivid saturated orange textured paper layered with halftone dots, paint splatters, rough brush streaks, diagonal stripes, checkerboard accents, abstract blobs, and hand-drawn white doodles including starbursts, zigzags, and accent strokes. Dominating the upper half is the huge headline text "[Go!]" in oversized comic-style hand-lettered 3D typography, white with rough brush outlines and yellow paint accents, ending with a dramatic exclamation mark. In the lower foreground, cutout photo-style figures of an excited family of four with thick white sticker borders point upward: a tall man in a cap, white T-shirt, open yellow overshirt, blue jeans, and backpack pointing straight up; a woman in a straw hat and white blouse pointing upward; a boy in sunglasses and backpack pointing diagonally upward; and a young girl in a straw hat and yellow-and-white striped top pointing up beside a bright yellow hard-shell suitcase. High-contrast warm palette of orange, yellow, and white with a dynamic mixed-media advertising aesthetic.