I need automated conversion calculator landing pages built using Next.js and deployed on Vercel. The design should be minimalist. - Next.js static site hosted on Vercel (free hosting) - Auto-generate 500+ landing pages (e.g., toolbox.com/2-kg-to-lb) - Instant answer displayed above fold (no interaction needed) - Sub-1-second mobile load time - Schema markup for featured snippets (Calculator, FAQ, Breadcrumbs) - Clean, ad-free interface optimized for Google AdSense later - Connect to my IONOS domain (converter-toolkit.com) DELIVERABLES: - Fully functional site deployed on Vercel - First 500 pages auto-generated (kg/lb, celsius/fahrenheit, etc.) - DNS setup instructions for IONOS - Admin panel or script to add more conversions easily PRIORITY CONVERSIONS: - Weight: kg to lb, lb to kg - Temperature: Celsius to Fahrenheit, Fahrenheit to Celsius - Length: cm to inches, inches to cm I have the full technical brief and SEO strategy ready to share with the selected developer.