Minimal poster prompt

Design a finished poster in portrait format. Headline: "Frequencies". Subtitle: "Electronic all-nighter". Include these details as legible text: March 9 · Warehouse 7 Visual style: Minimal. Colors: acid green on black. Visual direction: a single vertical laser beam cutting through fog Clear typographic hierarchy. Spell all text exactly as given and add no other text. The poster fills the whole image edge to edge: no mockup, frame, wall or surrounding scene. one element, one accent color, large empty space, small precise typography, gallery feel Generous negative space. Warm off-white paper with subtle fibers and grain. Limit the palette to the colors named and the paper, nothing else. No watermark, no logo, no signature, no border. AVOID: no digital gradients, no glossy 3D, no photoreal background, no clip-art look, no cheap retro filter, no template feel, no text beyond what is specified