diff --git a/src/layouts/Base.astro b/src/layouts/Base.astro
index 6b91ba2..183a152 100644
--- a/src/layouts/Base.astro
+++ b/src/layouts/Base.astro
@@ -141,10 +141,13 @@ const { title = 'BincioWiki', description = 'La memoria collettiva del gruppo Bi
         </div>
       )}
       <div class="ml-auto shrink-0 flex items-center gap-2">
-        <span id="nav-handle" class="text-xs text-zinc-500" style="display:none"></span>
-        <a id="nav-wikilog" href="/log/" class="text-xs text-zinc-500 hover:text-white transition-colors px-1" style="display:none">WikiLog</a>
-        <a id="nav-invites" href="/invites/" class="text-xs text-zinc-500 hover:text-white transition-colors px-1" style="display:none">Inviti</a>
-        <button id="nav-logout" class="text-xs text-zinc-500 hover:text-white transition-colors px-1" style="display:none">Log out</button>
+        <!-- Desktop-only items: hidden on mobile, shown by JS on sm+ -->
+        <span id="nav-handle" class="hidden sm:inline text-xs text-zinc-500" style="display:none"></span>
+        <a id="nav-wikilog" href="/log/" class="hidden sm:inline text-xs text-zinc-500 hover:text-white transition-colors px-1" style="display:none">WikiLog</a>
+        <a id="nav-invites" href="/invites/" class="hidden sm:inline text-xs text-zinc-500 hover:text-white transition-colors px-1" style="display:none">Inviti</a>
+        <button id="nav-logout" class="hidden sm:inline text-xs text-zinc-500 hover:text-white transition-colors px-1" style="display:none">Log out</button>
+        <!-- Hamburger: mobile only, shown after auth -->
+        <button id="nav-hamburger" class="sm:hidden text-zinc-400 hover:text-white w-8 h-8 flex items-center justify-center rounded-md hover:bg-zinc-800 text-base" style="display:none" aria-label="Menu">☰</button>
         <button
           id="theme-toggle"
           class="text-zinc-400 hover:text-white transition-colors w-8 h-8 flex items-center justify-center rounded-md hover:bg-zinc-800 text-base"
@@ -152,6 +155,15 @@ const { title = 'BincioWiki', description = 'La memoria collettiva del gruppo Bi
         >☀</button>
       </div>
     </div>
+    <!-- Mobile dropdown (inside sticky nav so it scrolls with it) -->
+    <div id="nav-menu" class="hidden border-t sm:hidden" style="border-color: var(--border); background: var(--bg-card)">
+      <div class="max-w-5xl mx-auto px-4 py-2 flex flex-col">
+        <span id="nav-handle-m" class="text-xs px-2 py-1.5" style="color: var(--text-5)"></span>
+        <a href="/log/" class="text-sm px-2 py-1.5 rounded hover:bg-zinc-800 transition-colors" style="color: var(--text-4)">WikiLog</a>
+        <a href="/invites/" class="text-sm px-2 py-1.5 rounded hover:bg-zinc-800 transition-colors" style="color: var(--text-4)">Inviti</a>
+        <button id="nav-logout-m" class="text-sm px-2 py-1.5 rounded hover:bg-zinc-800 transition-colors text-left" style="color: var(--text-4)">Log out</button>
+      </div>
+    </div>
   </nav>
 
   <main class="max-w-5xl mx-auto px-4 py-6">
@@ -175,21 +187,41 @@ const { title = 'BincioWiki', description = 'La memoria collettiva del gruppo Bi
           document.body.removeAttribute('data-auth-pending');
           const user = await r.json().catch(() => null);
           if (user) {
-            const handleEl  = document.getElementById('nav-handle');
-            const wikilogEl = document.getElementById('nav-wikilog');
-            const logoutEl  = document.getElementById('nav-logout');
-            if (handleEl)  { handleEl.textContent = '@' + user.handle; handleEl.style.display = ''; }
-            if (wikilogEl) wikilogEl.style.display = '';
-            const invitesEl = document.getElementById('nav-invites');
-            if (invitesEl) invitesEl.style.display = '';
-            if (logoutEl)  logoutEl.style.display = '';
+            const handleEl    = document.getElementById('nav-handle');
+            const handleMEl   = document.getElementById('nav-handle-m');
+            const wikilogEl   = document.getElementById('nav-wikilog');
+            const invitesEl   = document.getElementById('nav-invites');
+            const logoutEl    = document.getElementById('nav-logout');
+            const hamburgerEl = document.getElementById('nav-hamburger');
+            if (handleEl)    { handleEl.textContent = '@' + user.handle; handleEl.style.display = ''; }
+            if (handleMEl)   handleMEl.textContent = '@' + user.handle;
+            if (wikilogEl)   wikilogEl.style.display = '';
+            if (invitesEl)   invitesEl.style.display = '';
+            if (logoutEl)    logoutEl.style.display = '';
+            if (hamburgerEl) hamburgerEl.style.display = '';
           }
         })
         .catch(() => { document.body.removeAttribute('data-auth-pending'); });
 
-      document.getElementById('nav-logout')?.addEventListener('click', async () => {
+      const logoutHandler = async () => {
         await fetch('/api/auth/logout', { method: 'POST', credentials: 'include' }).catch(() => {});
         window.location.replace('/login/');
+      };
+      document.getElementById('nav-logout')?.addEventListener('click', logoutHandler);
+      document.getElementById('nav-logout-m')?.addEventListener('click', logoutHandler);
+
+      const hamburger = document.getElementById('nav-hamburger');
+      const navMenu   = document.getElementById('nav-menu');
+      hamburger?.addEventListener('click', () => {
+        const open = navMenu?.classList.toggle('hidden') === false;
+        hamburger.textContent = open ? '✕' : '☰';
+      });
+      document.addEventListener('click', (e) => {
+        if (navMenu && !navMenu.classList.contains('hidden') &&
+            !navMenu.contains(e.target as Node) && !hamburger?.contains(e.target as Node)) {
+          navMenu.classList.add('hidden');
+          if (hamburger) hamburger.textContent = '☰';
+        }
       });
     }
   </script>