sathwikkbhat/interactive-3d-portfolio ? reverse-engineered prompt

Build me a polished interactive 3D portfolio site that feels immersive and modern, like a personal developer showcase instead of a basic landing page. I want a hero section with an animated 3D character or scene, smooth camera movement, and really fluid scroll based transitions that make the whole experience feel premium.

Please include sections for an about intro, what I do, career or experience, and a projects area with a responsive carousel that can show screenshots, links, and short descriptions. The 3D parts should feel interactive, with subtle physics or motion so the workspace reacts naturally without being distracting. Make it fully responsive so it still looks great on phones and smaller laptops.

Keep the code clean and easy to customize later, because I may want to swap in my own bio, experience, project data, colors, and 3D assets. Use the stack already implied by this repo, and look up current docs online if you need to.