Replace subscribe form with Outlook Newsletters link

Subscribe card now links directly to the Outlook Newsletters
subscribe page instead of a non-functional email form.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: justinpreston

docs/index.html

@@ -1363,17 +1363,16 @@ <h2 class="card-title">Scoped Multi-Source Search</h2>
     </a>
 
     <!-- Subscribe card — span 3 -->
-    <div class="card card-subscribe span-3 row-3 reveal" aria-label="Subscribe to The Cheat Code">
+    <a class="card card-subscribe span-3 row-3 reveal" href="https://outlook.office.com/newsletters/pages/550aceac3e3c9b4d815f25725e1ab1fd23/read?subscribe=footer" target="_blank" rel="noopener noreferrer" aria-label="Subscribe to The Cheat Code via Outlook Newsletters">
       <div class="card-glow" style="width:120px;height:120px;top:-20px;left:-20px;background:rgba(16,124,16,0.4);"></div>
       <div class="card-inner">
         <div style="font-family:'Sora',sans-serif;font-weight:700;font-size:15px;letter-spacing:-0.3px;color:var(--text-primary);">Stay in the loop</div>
-        <p style="font-size:11px;color:var(--text-secondary);margin-top:6px;line-height:1.6;">New patterns drop every two weeks. Get them in your inbox.</p>
-        <form class="subscribe-form" onsubmit="event.preventDefault(); this.innerHTML='<p style=\'font-size:12px;color:#27C93F;font-weight:600;\'>Subscribed!</p>'">
-          <input class="subscribe-input" type="email" placeholder="alias@microsoft.com" autocomplete="email" aria-label="Email address" />
-          <button class="subscribe-btn" type="submit">Subscribe</button>
-        </form>
+        <p style="font-size:11px;color:var(--text-secondary);margin-top:6px;line-height:1.6;">New patterns drop every two weeks. Subscribe via Outlook Newsletters.</p>
+        <div style="margin-top:auto;padding-top:12px;">
+          <span class="subscribe-btn" style="display:inline-block;border-radius:var(--radius-sm);padding:9px 18px;">Subscribe in Outlook →</span>
+        </div>
       </div>
-    </div>
+    </a>
 
     <!-- ══════════ ROWS 8–10: ISSUE BAND 2 ══════════ -->