chore(Footer): move components to separate directories

src/widgets/Footer/index.ts

@@ -1 +1 @@
-export { default as Footer } from './ui/Footer.svelte';
+export { default as Footer } from './ui/Footer/Footer.svelte';

src/widgets/Footer/ui/Footer/Footer.svelte

@@ -7,7 +7,7 @@
 import { cn } from '$shared/lib';
 import type { ResponsiveManager } from '$shared/lib/helpers';
 import { getContext } from 'svelte';
-import FooterLink from './FooterLink.svelte';
+import FooterLink from '../FooterLink/FooterLink.svelte';
 
 const responsive = getContext<ResponsiveManager>('responsive');
 const isVertical = $derived(responsive?.isDesktop || responsive?.isDesktopLarge);
@@ -21,17 +21,14 @@ const currentYear = new Date().getFullYear();
     )}
 >
     <!-- Project Name (Horizontal) -->
-    <div
+    {#if isVertical}
-        class={cn(
+        <div class="pointer-events-auto items-center gap-2 bg-surface/80 dark:bg-dark-bg/80 backdrop-blur-sm px-3 py-1 border border-subtle">
-            'pointer-events-auto items-center gap-2 bg-surface/80 dark:bg-dark-bg/80 backdrop-blur-sm px-3 py-1 border border-subtle',
-            isVertical ? 'flex' : 'hidden',
-        )}
-    >
             <div class="w-1.5 h-1.5 bg-brand"></div>
             <span class="text-2xs font-mono uppercase tracking-wider-mono text-neutral-500 dark:text-neutral-400">
                 GlyphDiff © 2025 — {currentYear}
             </span>
         </div>
+    {/if}
 
     <!-- Portfolio Link (Vertical) -->
     <div class="pointer-events-auto">