Clarify sign-up link on the login page

The only path to /register read as marketing copy ("Start your
14-day free trial") rather than an obvious sign-up action. Added a
clearer lead-in and a second, redundant link at the bottom of the
form to match the register page's existing "Sign in" link.

app/login/page.tsx

@@ -211,6 +211,13 @@ function LoginForm() {
           <p className={`text-sm font-medium text-center ${isError ? "text-red-600 dark:text-red-400" : "text-foreground"}`}>{status}</p>
         </div>
       )}
+
+      <p className="text-center text-sm text-muted-foreground">
+        Don&rsquo;t have an account?{" "}
+        <Link href="/register" className="font-semibold text-primary hover:underline">
+          Sign up
+        </Link>
+      </p>
     </form>
   );
 }
@@ -253,7 +260,8 @@ export default function LoginPage() {
             Sign In
           </h2>
           <p className="mt-2 text-center text-sm text-muted-foreground">
-            <Link href="/register" className="font-medium text-primary hover:text-primary/80 transition-colors">
+            New to Aarthalabs?{" "}
+            <Link href="/register" className="font-semibold text-primary hover:underline">
               Start your 14-day free trial
             </Link>
           </p>