feat(footer): add Trinity Console staff link, fix tagline

- Add Staff: Trinity Console link (/arbiter) to Quick Links — subdued gray styling
- Fix tagline: Fire + Arcane + Frost → Fire + Frost + Foundation
- Clean up duplicate tagline at bottom

_includes/footer.njk

@@ -5,7 +5,7 @@
     <div>
       <h4 style="color: #4ecdc4; margin-bottom: 20px; font-weight: 700;">Firefrost Gaming</h4>
       <p style="color: #a8dadc; line-height: 1.7; margin-bottom: 20px;">Building a gaming refuge where passion meets precision through creative transformation.</p>
-      <p class="tagline" style="color: #FFD700; font-weight: 600;">Fire + Arcane + Frost = Forever 🔥⚡❄️</p>
+      <p class="tagline" style="color: #FFD700; font-weight: 600;">Fire + Frost + Foundation = Where Love Builds Legacy 🔥❄️💙</p>
     </div>
     
     <!-- Links Column -->
@@ -16,6 +16,7 @@
         <li style="margin-bottom: 12px;"><a href="/servers" style="color: #a8dadc; text-decoration: none;">Server List</a></li>
         <li style="margin-bottom: 12px;"><a href="/subscribe" style="color: #a8dadc; text-decoration: none;">Subscribe</a></li>
         <li style="margin-bottom: 12px;"><a href="https://status.firefrostgaming.com" style="color: #a8dadc; text-decoration: none;">Status Page</a></li>
+        <li style="margin-bottom: 12px;"><a href="/arbiter" style="color: #6b7280; text-decoration: none; font-size: 0.85rem;">Staff: Trinity Console</a></li>
       </ul>
       
       <h4 style="color: #4ecdc4; margin-bottom: 20px; margin-top: 35px; font-weight: 700;">Legal</h4>
@@ -99,6 +100,6 @@
   <div style="text-align: center; padding-top: 40px; border-top: 2px solid rgba(78, 205, 196, 0.3);">
     <p class="copyright" style="color: #6b7280; margin: 0;">© 2026 Firefrost Gaming. Built for children not yet born.</p>
     <p class="credits" style="color: #6b7280; margin-top: 10px; font-size: 0.9rem;">Trinity Skins by <a href="https://www.fiverr.com/luansilvacosta" style="color: #4ecdc4; text-decoration: none;">Luan Cruz</a> • Website by The Trinity</p>
-    <p class="bottom-tagline" style="color: #4ecdc4; margin-top: 15px;">Minnesota | Fire + Frost + Foundation = Where Love Builds Legacy 💙</p>
+    <p class="bottom-tagline" style="color: #4ecdc4; margin-top: 15px;">Minnesota 💙</p>
   </div>
 </footer>