A moody monochrome editorial portrait with soft grain, dramatic diagonal light.

"A moody black-and-white portrait of a young man with short, soft, tousled dark curly hair falling loosely over his forehead, looking directly at the camera with a calm, intense, slightly serious expression. His head is tilted slightly as he walks forward in a relaxed, in-motion pose, one arm hanging at his side with a thin black bracelet on his wrist. He wears a black linen button-up shirt with a spread collar, the top buttons undone and sleeves casually rolled to the forearms, with a small embroidered logo on the chest pocket, tucked into black trousers. The setting is a minimalist interior with smooth white and light-grey walls, soft diagonal shadows, and clean geometric lines. Soft, diffused lighting, high-contrast monochrome tones with deep blacks and silvery greys, slight motion blur and soft focus, subtle film grain, artistic fashion-editorial style, shot on a smartphone, vertical 4:5 aspect ratio, three-quarter body framing, focus on the face."
Tips:
Add "photorealistic, cinematic black and white, dreamy soft focus" for an artistic feel.
For more drama, add "high contrast, deep shadows, Tri-X film grain."
To avoid brand issues, replace the pocket logo with "a small minimal embroidered emblem."

Copy the complete prompt and use your own reference photos where requested.