diff --git a/index.html b/index.html
index 5b607f2..2c2cded 100644
--- a/index.html
+++ b/index.html
@@ -1156,17 +1156,19 @@
         <circle cx="32" cy="32" r="2.5" fill="#040404" opacity="0.18"/>
       </svg><span>adiuv<span class="ai">AI</span></span>
     </a>
-    <details id="lang-dropdown" class="lang-switcher">
-      <summary class="lang-current" aria-label="Select language"><i data-lucide="globe" style="width:16px;height:16px;"></i> <span id="lang-current-label">EN</span></summary>
-      <div class="lang-options">
-        <button class="lang-option active" data-lang="en">EN</button>
-        <button class="lang-option" data-lang="it">IT</button>
-        <button class="lang-option" data-lang="es">ES</button>
-        <button class="lang-option" data-lang="fr">FR</button>
-        <button class="lang-option" data-lang="de">DE</button>
-      </div>
-    </details>
-    <a href="#final-cta" class="btn btn-primary" data-i18n="navJoinWaitlist">Join the waitlist</a>
+    <div class="nav-right">
+      <details id="lang-dropdown" class="lang-switcher">
+        <summary class="lang-current" aria-label="Select language"><i data-lucide="globe" style="width:16px;height:16px;"></i> <span id="lang-current-label">EN</span></summary>
+        <div class="lang-options">
+          <button class="lang-option active" data-lang="en">EN</button>
+          <button class="lang-option" data-lang="it">IT</button>
+          <button class="lang-option" data-lang="es">ES</button>
+          <button class="lang-option" data-lang="fr">FR</button>
+          <button class="lang-option" data-lang="de">DE</button>
+        </div>
+      </details>
+      <a href="#final-cta" class="btn btn-primary" data-i18n="navJoinWaitlist">Join the waitlist</a>
+    </div>
   </nav>
 
   <!-- ═══════ HERO ═══════ -->
@@ -1674,7 +1676,7 @@
         const res = await fetch('/api/v1/waitlist', {
           method: 'POST',
           headers: { 'Content-Type': 'application/json' },
-          body: JSON.stringify({ email }),
+          body: JSON.stringify({ email, lang }),
         });
 
         if (!res.ok) throw new Error(res.statusText);