diff --git a/public/partials/header.php b/public/partials/header.php
index b3db3f2..c91ecd6 100644
--- a/public/partials/header.php
+++ b/public/partials/header.php
@@ -31,33 +31,20 @@
             </nav>
 
             <!-- Language Switch -->
-                        <!-- Language Switch: inline pills -->
-            <div class="flex items-center gap-1 sm:gap-1.5 text-[11px] sm:text-xs font-medium uppercase tracking-[0.18em]">
-                <button type="button"
-                        class="lang-pill px-1.5 py-0.5 rounded-full border border-transparent text-brand-muted hover:text-brand-primary hover:border-brand-border transition"
-                        data-lang="de">
-                    DE
+            <div class="relative">
+                <button id="langCurrent"
+                        class="text-xs uppercase tracking-[0.18em] text-brand-muted hover:text-brand-primary transition">
+                    <?= strtoupper($lang) ?>
                 </button>
-                <span class="text-brand-border/60">·</span>
-                <button type="button"
-                        class="lang-pill px-1.5 py-0.5 rounded-full border border-transparent text-brand-muted hover:text-brand-primary hover:border-brand-border transition"
-                        data-lang="en">
-                    EN
-                </button>
-                <span class="text-brand-border/60">·</span>
-                <button type="button"
-                        class="lang-pill px-1.5 py-0.5 rounded-full border border-transparent text-brand-muted hover:text-brand-primary hover:border-brand-border transition"
-                        data-lang="it">
-                    IT
-                </button>
-                <span class="text-brand-border/60">·</span>
-                <button type="button"
-                        class="lang-pill px-1.5 py-0.5 rounded-full border border-transparent text-brand-muted hover:text-brand-primary hover:border-brand-border transition"
-                        data-lang="fr">
-                    FR
-                </button>
-            </div>
 
+                <div id="langMenu"
+                     class="hidden absolute right-0 mt-2 w-28 rounded-md bg-brand-surface border border-brand-border shadow-lg p-2 text-xs">
+                    <a href="?lang=de" class="block py-1 hover:text-brand-primary">Deutsch</a>
+                    <a href="?lang=en" class="block py-1 hover:text-brand-primary">English</a>
+                    <a href="?lang=it" class="block py-1 hover:text-brand-primary">Italiano</a>
+                    <a href="?lang=fr" class="block py-1 hover:text-brand-primary">Français</a>
+                </div>
+            </div>
 
             <!-- Login Button / Avatar -->
             <button id="loginButton"
diff --git a/src/sesion.php b/src/Session.php
similarity index 100%
rename from src/sesion.php
rename to src/Session.php
diff --git a/src/demo.txt b/src/demo.txt
new file mode 100644
index 0000000..efd261b
--- /dev/null
+++ b/src/demo.txt
@@ -0,0 +1 @@
+demo
\ No newline at end of file