Wall page: InstantAdPay headline + POL on Polygon; payouts-in-POL copy on join/home/Wallet/objections/chatbot

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

public/join.html

@@ -59,7 +59,9 @@
     <p class="eyebrow" id="jnEyebrow">Advertise and earn on Polygon</p>
     <h1 id="jnHead">Advertise and earn.<br><em>Paid on-chain, instantly.</em></h1>
     <p class="lead" id="jnLead">Every ad package splits to real wallets in the same transaction it sells. No pending payouts, no withdraw button, and every payment is public.</p>
+    <p class="small muted" style="margin:-8px 0 16px">The one crypto here is <b style="color:var(--ink)">POL on the Polygon network</b>: you pay for packages in POL and every payout arrives as POL in your own wallet. Any Polygon wallet works (MetaMask, SafePal, Phantom, Coinbase Wallet). Never held crypto? You can buy POL with a card inside the member area.</p>
     <div class="jn-chips">
+      <span><b>Paid in POL</b>, Polygon's own coin, to your wallet</span>
       <span><b>Same transaction</b> payouts</span>
       <span><b>Public ledger</b> on Polygon</span>
       <span><b>Free</b> to join by email</span>