Cyberpunk Runway Fashion Poster

Generate an avant-garde runway style visual poster, black background, oversized white thin sans-serif English font, font boldly cropped by the canvas edges, creating a strong modern magazine layout feel, ratio 9:16. In the center, place a close-up of {argument name="character" default="Viper from Valorant"}'s face or eyes, using high-contrast neon duotone processing. Colors should adapt to the character. Overall electronic neon glow of cyan, magenta, blue-violet, or red. Add grain texture, posterized shadows, strong lighting, nightclub, fashion show vibes. Large title text overlaps the character image, asymmetrical layout. Add small text info like {argument name="location" default="Tokyo"}, {argument name="time" default="22:00"}, date, and subtitle. Square poster composition, high-end fashion event poster quality.