Modern Professional Poster Design

I need a polished, visually striking promotional poster that looks just as sharp on an A3 print as it does in a social-media feed. The style must stay formal and professional while still feeling fresh and modern... (Budget: ₹12500 - ₹37500 INR, Jobs: Adobe Illustrator, Adobe Photoshop, Branding, Graphic Design, Illustrator, Photoshop, Poster Design, Typography)