Website & E-Brochure Revamp

I run an informational website that now feels dated in both look and performance. I want to refresh it from top to bottom—modern UI/UX, faster loading, mobile-friendly layouts, cleaner navigation, and any behind-the-scenes functional tweaks that will make maintenance simpler... (Budget: ₹12500 - ₹37500 INR, Jobs: Graphic Design, HTML, SEO, UI / User Interface, User Interface / IA, UX / User Experience, Web Design, Website Design)