Add Hero section with editorial serif display and architecture diagram

Add Navbar component with TigerGraph\u00d7Claude branding

Add main page with hero, navbar, and tab controller

Add root layout with font loading and metadata

Add global CSS with TigerGraph\u00d7Claude fused design system

Add fused TigerGraph\u00d7Claude design tokens

Add postcss config

Add next.config.ts

Add Next.js + TypeScript + Tailwind config files

Add Next.js project scaffold with TigerGraph×Claude design system