- Added portfolio pages: portfolio-index, portfolio-about, portfolio-contact
- Added work/[slug].astro for project detail pages
- Added PortfolioBase.astro layout with Playfair Display font
- Added ProjectCard.astro component
- Added projects collection with taxonomies (category, tag)
- Updated theme.css with --font-serif variable
- Added portfolio seed data with 4 projects
- Updated menus to include Work link
