feat(web): add social links to site footer

LinkedIn, Instagram and Facebook icon links in the footer brand column,
opening in a new tab with rel="noopener noreferrer" and per-icon
aria-labels.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

apps/web/src/components/site-footer.tsx

@@ -1,13 +1,27 @@
 import { type Locale, useTranslation } from "@/lib/i18n";
 import { Separator } from "@sase/ui";
 import { Link } from "@tanstack/react-router";
-import { Globe } from "lucide-react";
+import { Facebook, Globe, Instagram, Linkedin } from "lucide-react";
 
 const LOCALES: { code: Locale; label: string }[] = [
   { code: "tr", label: "TR" },
   { code: "en", label: "EN" },
 ];
 
+const SOCIALS: {
+  label: string;
+  href: string;
+  icon: React.ComponentType<{ className?: string }>;
+}[] = [
+  { label: "LinkedIn", href: "https://www.linkedin.com/company/%C5%9Fase/", icon: Linkedin },
+  { label: "Instagram", href: "https://instagram.com/sase_tr", icon: Instagram },
+  {
+    label: "Facebook",
+    href: "https://www.facebook.com/profile.php?id=61589993436242",
+    icon: Facebook,
+  },
+];
+
 export function SiteFooter({ variant = "full" }: { variant?: "full" | "compact" }) {
   const { t, locale, setLocale } = useTranslation();
 
@@ -69,6 +83,20 @@ export function SiteFooter({ variant = "full" }: { variant?: "full" | "compact"
             >
               info@sase.tr
             </a>
+            <div className="mt-4 flex items-center gap-3">
+              {SOCIALS.map(({ label, href, icon: Icon }) => (
+                <a
+                  key={label}
+                  href={href}
+                  target="_blank"
+                  rel="noopener noreferrer"
+                  aria-label={label}
+                  className="text-muted-foreground transition hover:text-foreground"
+                >
+                  <Icon className="size-5" />
+                </a>
+              ))}
+            </div>
           </div>
 
           {/* Product */}