Professional Thumbnail Design Needed

I’m looking to refresh a series of YouTube thumbnails and want each one to feel consistently professional and sleek. Clean lines, balanced typography and a polished use of colour are essential because the channel already carries a refined brand voice; the thumbnails simply need to reinforce it... (Budget: ₹100 - ₹400 INR, Jobs: Adobe Illustrator, Adobe Photoshop, Canva, Figma, Graphic Design, Illustrator, Logo Design, Photoshop)