Add onboarding flow explanation under CTA buttons

index.html

@@ -144,6 +144,14 @@
     justify-content: center;
   }
 
+  .how-it-works {
+    margin-top: 20px;
+    font-size: 14px;
+    color: var(--muted);
+    max-width: 420px;
+    line-height: 1.5;
+  }
+
   .footer {
     margin-top: 64px;
     font-size: 13px;
@@ -203,6 +211,8 @@
     <a class="cta-secondary" href="https://my.inference.coop">Member login</a>
   </div>
 
+  <p class="how-it-works">How it works: join on Open Collective, then connect your account to get access to chat, API, and member governance.</p>
+
   <div class="footer">
     <a href="mailto:info@inference.coop">info@inference.coop</a>
     &nbsp;·&nbsp;