feat: animate header logo with counter-rotating rings, static in footer

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

layouts/partials/footer.html

@@ -13,7 +13,7 @@
     <!-- Brand -->
     <div>
       <a href="/" class="logo-glitch block mb-4 hover:opacity-90 transition-opacity w-fit" aria-label="{{ .Site.Title }} Home">
-        {{- partial "logo.html" (dict "id" "footer" "class" "h-10 w-auto") -}}
+        {{- partial "logo.html" (dict "id" "footer" "class" "h-10 w-auto logo-static") -}}
       </a>
       <p class="label text-fog max-w-xs leading-loose">{{ .Site.Params.description }}</p>
     </div>