fix: add missing site-footer component and remove brand-icons dependency

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

components/icons.tsx

@@ -26,8 +26,6 @@ import {
   type LucideIcon,
 } from "lucide-react"
 
-import { Apple, Google } from "@/components/brand-icons"
-
 export type Icon = LucideIcon
 
 export const Icons = {
@@ -55,6 +53,4 @@ export const Icons = {
   gitHub: Github,
   twitter: Twitter,
   check: Check,
-  google: Google,
-  apple: Apple,
 }

components/site-footer.tsx

@@ -0,0 +1,34 @@
+import { appConfig } from "@/lib/config"
+
+export function SiteFooter() {
+  return (
+    <footer className="border-t py-6 md:py-0">
+      <div className="container flex flex-col items-center justify-between gap-4 md:h-14 md:flex-row">
+        <p className="text-center text-sm leading-loose text-muted-foreground md:text-left">
+          © {new Date().getFullYear()} {appConfig.name}. Todos os direitos reservados.
+        </p>
+        {(appConfig.supportEmail || appConfig.supportWhatsapp) && (
+          <p className="text-center text-sm text-muted-foreground md:text-right">
+            Suporte:{" "}
+            {appConfig.supportEmail && (
+              <a href={`mailto:${appConfig.supportEmail}`} className="underline underline-offset-4 hover:text-foreground">
+                {appConfig.supportEmail}
+              </a>
+            )}
+            {appConfig.supportEmail && appConfig.supportWhatsapp && " · "}
+            {appConfig.supportWhatsapp && (
+              <a
+                href={`https://wa.me/${appConfig.supportWhatsapp}`}
+                target="_blank"
+                rel="noreferrer"
+                className="underline underline-offset-4 hover:text-foreground"
+              >
+                WhatsApp
+              </a>
+            )}
+          </p>
+        )}
+      </div>
+    </footer>
+  )
+}