Custom Poster Design Needed

I need a professionally designed poster that will either promote an event, advertise a product, or serve an informational purpose—the exact focus will be confirmed once we begin. The visual direction is open: modern-minimal, vintage-retro, or bold-colorful could all work, and I’m happy to explore whichever option best serves the message. Size is also flexible (A4, A3, or A2), so feel free to recommend the format that maximizes impact.

Deliverables
• Print-ready PDF plus layered source file (AI or PSD)
• High-resolution JPEG/PNG for web sharing
• Up to two minor revision rounds

Please use only properly licensed fonts and imagery. If you need more details, just let me know and we’ll sharpen the brief together.