feat: major content & layout overhaul across all sections

- Problem strip: 4 sign cards with closing statement
- Dataroot section: rebranded as case study with new content
- Services: 2×2 content-rich cards with bullet lists, updated copy
- Process: moved above portfolio, new strategy-focused copy
- Portfolio: 9 items with correct tags, uniform cards, light theme
- SEO: OG tags, canonical, favicons, robots.txt, sitemap, 404
- Backdrop: lighter white for lead panel readability
- Footer, LegalPages component, various text refinements
- Fix CSS syntax error in neural hero hover state

public/robots.txt

@@ -0,0 +1,6 @@
+User-agent: *
+Allow: /
+Disallow: /google-apps-script/
+Disallow: /_archive/
+
+Sitemap: https://moreminimore.com/sitemap.xml