Improve readability and randomize guest landing pet.

Pair Share Tech Mono body text with Press Start 2P display accents, and show a randomized dressed pixel character for signed-out homepage previews.

components/ui/card.tsx

@@ -35,7 +35,7 @@ const CardTitle = React.forwardRef<
 >(({ className, ...props }, ref) => (
   <div
     ref={ref}
-    className={cn("font-semibold leading-none tracking-tight", className)}
+    className={cn("font-pixel text-sm font-normal leading-snug tracking-tight", className)}
     {...props}
   />
 ));
@@ -47,7 +47,7 @@ const CardDescription = React.forwardRef<
 >(({ className, ...props }, ref) => (
   <div
     ref={ref}
-    className={cn("text-sm text-muted-foreground", className)}
+    className={cn("text-sm leading-relaxed text-muted-foreground", className)}
     {...props}
   />
 ));