Separa logo navbar in simbolo e scritta

clinica-app/client/src/components/Navbar.tsx

@@ -92,11 +92,16 @@ export default function Navbar() {
       >
         <div className="container flex items-center justify-between h-16 md:h-20">
           {/* Logo */}
-          <a href="#" className="flex items-center group shrink-0">
+          <a href="#" className="flex items-center gap-2 md:gap-3 group shrink-0">
             <img
-              src="/images/logo.png"
+              src="/images/logo_low.png"
               alt="Clinica Veterinaria Formiginese"
-              className="h-11 md:h-14 w-auto object-contain"
+              className="h-8 md:h-11 w-auto object-contain"
+            />
+            <img
+              src="/images/logo_high.png"
+              alt="Simbolo Clinica Veterinaria Formiginese"
+              className="h-10 md:h-14 w-auto object-contain"
             />
           </a>