Move language selector below h1 in header

index.html

@@ -104,7 +104,13 @@
 <body data-lang="de">
 
   <header class="header">
-    <div class="brand">Paraguay LLC & SRL – Austausch & Community</div>
+    <div class="brand">
+      Paraguay LLC & SRL – Austausch & Community
+      <div class="lang-select" style="margin-top: 8px;">
+        <button class="lang-btn active" data-lang="de">DE</button>
+        <button class="lang-btn" data-lang="en">EN</button>
+      </div>
+    </div>
   </header>
 
   <section class="intro">