Fix dark mode toggle placement

landing/style.css

@@ -90,7 +90,7 @@ body.dark-mode {
 /* Dark Mode Toggle */
 .dark-mode-toggle {
     position: fixed;
-    top: 20px;
+    top: 12px;
     right: 20px;
     z-index: 1000;
 }
@@ -832,8 +832,8 @@ footer .social-media a:focus {
 
 @media screen and (max-width: 768px) {
     .navbar .container {
-        flex-direction: column;
-        align-items: flex-start;
+        flex-direction: row;
+        align-items: center;
     }
 
     .nav-links {