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Goal: Create a tall editorial sports poster concept for NEBULA RELAY, blending monochrome athletic photography with oversized cutout typography.

Canvas: Vertical poster, 9:16 aspect ratio, clean white border, high-fashion performance-advertising composition.

Main subject: A single Black male sprinter in side profile, captured mid-run and leaning forward with explosive motion. He has short textured black hair, a focused expression, defined muscular arms and legs, and wears a white sleeveless running singlet, white compression shorts, and white running shoes. In his rear hand he holds a bright cyan-blue relay baton, the only strong color accent in the image.

Background: Moody grayscale outdoor setting with a reflective water surface at the bottom, distant dark mountains on the horizon, and soft cloudy sky haze. Keep the scene cinematic, minimal, and atmospheric.

Layout and typography: Fill almost the entire poster with enormous ultra-bold condensed uppercase sans-serif letters spelling NEBULA RELAY. Arrange the words in two stacked lines: “NEBULA” on the upper half and “RELAY” on the lower half. The letters act like large vertical stencil windows and overlays, with the runner visible through and between the letterforms. Use white negative space between strokes and a dark-gray photographic fill inside the typography, creating a sliced editorial mask effect. Ensure the runner crosses both lines of text, with his torso near the center-right, baton near the lower-left of the upper word, and extended leg stepping through the lower word.

Brand marks and small text: Include exactly 3 small text/graphic elements: 1) a tiny abstract black logo at the top-right with the words NEBULA RELAY beneath it, 2) a narrow vertical tagline along the right edge reading PRIVATE MOTION / SIGNAL IN TRANSIT, and 3) a tiny vertical date marker near the bottom-left edge reading 2026 with a short horizontal line beside it.

Visual style: Premium Nike-like sports campaign poster, modern Swiss grid influence, sharp high-contrast black-and-white photography, dramatic rim lighting, clean whitespace, precise kerning, bold condensed typography, subtle film grain, no clutter.

Constraints: Use exactly one athlete, one baton, one top-right logo mark, one vertical right-edge tagline, and one bottom-left date marker. Do not add extra athletes, extra logos, extra colors, or additional promotional copy.