feat: sticky navy header, AJAX search overlay, nav consistency

- Replace transparent/absolute homepage header with sticky navy header
  globally (position:sticky on #masthead) — same navy look everywhere
- Remove transparent-header body_class logic; always set non-transparent
- Simplify homepage CSS: hero fills 100vh, no absolute header overlay
- Add magnifying glass search icon to primary nav menus (ES/EN/RO)
- Add full-screen AJAX search overlay with WP REST API live results,
  multilingual placeholders, ESC/Ctrl+K keyboard shortcuts
- Add ro_RO core + Yoast language packs to repo
- Install and configure Yoast SEO with meta for all 63 posts + 12 pages
- Add tags and ACRIB author to all posts
- CF7 redesign: 2-column layout, legal checkboxes, reference number badge

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

wp-content/languages/plugins/wordpress-seo-ro_RO-afe43fe171170bbc6083c10610a75434.json

@@ -0,0 +1 @@
+{"translation-revision-date":"2026-05-12 09:05:07+0000","generator":"GlotPress\/4.0.3","domain":"messages","locale_data":{"messages":{"":{"domain":"messages","plural-forms":"nplurals=3; plural=(n == 1) ? 0 : ((n == 0 || n % 100 >= 2 && n % 100 <= 19) ? 1 : 2);","lang":"ro"},"Insert variable":["Insereaz\u0103 variabila"],"No results":["Niciun rezultat"],"%d result found, use up and down arrow keys to navigate":["Un rezultat g\u0103sit, folose\u0219te tastele s\u0103geat\u0103 sus \u0219i jos pentru a naviga","%d rezultate g\u0103site, folose\u0219te tastele s\u0103geat\u0103 sus \u0219i jos pentru a naviga","%d de rezultate g\u0103site, folose\u0219te tastele s\u0103geat\u0103 sus \u0219i jos pentru a naviga"],"SEO title":["Titlu SEO"],"Meta description":["Descriere meta"]}},"comment":{"reference":"js\/dist\/externals\/replacementVariableEditor.js"}}