fix: hide navigation on keyboard visible

src/routes/-/RootLayout/components/Navigation/Navigation.tsx

@@ -168,20 +168,6 @@ export default function Navigation() {
   const [menuOpen, setMenuOpen] = useState<number>(0);
   const navRef = useRef<HTMLDivElement>(null);
 
-  const [isKeyboardVisible, setIsKeyboardVisible] = useState(false);
-
-  useEffect(() => {
-    const vv = window.visualViewport;
-    if (!vv) return;
-
-    const onResize = () => {
-      setIsKeyboardVisible(vv.height < window.innerHeight * 0.75);
-    };
-
-    vv.addEventListener("resize", onResize);
-    return () => vv.removeEventListener("resize", onResize);
-  }, []);
-
   const handleOutsideClick = useCallback((e: MouseEvent) => {
     if (navRef.current && !navRef.current.contains(e.target as Node)) {
       setMenuOpen(0);
@@ -206,8 +192,6 @@ export default function Navigation() {
     setMenuOpen(0);
   };
 
-  if (isKeyboardVisible) return null;
-
   return (
     <div ref={navRef}>
       <div className={classes.menuOverlay}>