feat: add Swedish flag + social icons to mobile menu footer

src/Header/Nav/index.tsx

@@ -441,17 +441,18 @@ export const HeaderNav: React.FC<{ data: HeaderType; socialLinks?: SocialLinkDat
           })}
         </nav>
 
-        {/* ── Social icons row at bottom of mobile menu ── */}
+        {/* ── Mobile menu footer: flag left, social icons right ── */}
+        <div className="px-6 py-5 border-t border-white/10 flex items-center justify-between">
+          <SwedishFlag />
           {socialLinks.length > 0 && (
-          <div className="px-6 py-5 border-t border-white/10">
             <SocialIconsRow
               links={socialLinks}
               linkClassName="text-white/50 hover:text-white"
               iconSize="w-6 h-6"
             />
-          </div>
           )}
         </div>
+      </div>
     </>
   )
 }