Fix mobile responsive issues

- Remove duplicate home link in mobile nav
- Remove overflow-hidden clipping main content
- Improve mobile menu scrolling and spacing
- Make top-header currencies wrap on small screens
- Reduce site-header height on mobile
- Add global mobile CSS overrides for tables, padding, fonts

src/components/navigation.tsx

@@ -21,7 +21,7 @@ export async function Navigation() {
           style={{ backgroundColor: "var(--color-primary, #eeb425)" }}
         />
 
-        <div className="flex items-center gap-x-1 md:gap-x-1 flex-1 md:flex-none">
+        <div className="hidden md:flex items-center gap-x-1">
           <Link href="/" className="nav-item shrink-0">
             <Image
               src="/assets/images/icons/navigation/me.png"