diff --git a/public/assets/my.js b/public/assets/my.js
index e20033a..cd51540 100644
--- a/public/assets/my.js
+++ b/public/assets/my.js
@@ -963,7 +963,8 @@
         { file: 'iap-300x250.png', size: '300×250 (rectangle)' },
         { file: 'iap-468x60.png', size: '468×60 (banner)' },
         { file: 'iap-160x600.png', size: '160×600 (wide skyscraper)' },
-        { file: 'iap-120x600.png', size: '120×600 (skyscraper)' }
+        { file: 'iap-120x600.png', size: '120×600 (skyscraper)' },
+        { file: 'iap-320x50.svg', size: '320×50 (mobile leaderboard)' }
       ];
       bwrap.innerHTML = '';
       for (const b of BANNERS) {
diff --git a/public/banners/iap-320x50.svg b/public/banners/iap-320x50.svg
new file mode 100644
index 0000000..a2d7504
--- /dev/null
+++ b/public/banners/iap-320x50.svg
@@ -0,0 +1,25 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="320" height="50" viewBox="0 0 320 50" role="img" aria-label="InstantAdPay — Earn Instantly">
+  <defs>
+    <linearGradient id="bg" x1="0" y1="0" x2="1" y2="1">
+      <stop offset="0" stop-color="#041109"/>
+      <stop offset="1" stop-color="#0b2018"/>
+    </linearGradient>
+    <radialGradient id="node" cx="0.5" cy="0.5" r="0.5">
+      <stop offset="0" stop-color="#8ffbe3"/>
+      <stop offset="0.5" stop-color="#43e8c3"/>
+      <stop offset="1" stop-color="#43e8c3" stop-opacity="0"/>
+    </radialGradient>
+  </defs>
+  <rect width="320" height="50" rx="6" fill="url(#bg)"/>
+  <!-- circuit accents on the right -->
+  <g stroke="#43e8c3" stroke-opacity="0.5" stroke-width="1" fill="none">
+    <path d="M300 12 H274 M300 25 H262 M300 38 H278"/>
+    <circle cx="274" cy="12" r="1.6" fill="#43e8c3" stroke="none"/>
+    <circle cx="278" cy="38" r="1.6" fill="#43e8c3" stroke="none"/>
+  </g>
+  <circle cx="300" cy="25" r="16" fill="url(#node)"/>
+  <text x="14" y="32" font-family="Sora, 'Segoe UI', system-ui, sans-serif" font-size="20" font-weight="800" fill="#eef7f3">Earn <tspan fill="#43e8c3">Instantly</tspan></text>
+  <!-- Join Free pill -->
+  <rect x="212" y="15" width="60" height="20" rx="10" fill="#43e8c3"/>
+  <text x="242" y="29" text-anchor="middle" font-family="Sora, 'Segoe UI', system-ui, sans-serif" font-size="11" font-weight="800" fill="#03211a">Join Free</text>
+</svg>
diff --git a/public/contract.html b/public/contract.html
index 0926d04..f514a7e 100644
--- a/public/contract.html
+++ b/public/contract.html
@@ -5,7 +5,7 @@
 <title>The contract | InstantAdPay</title>
 <meta name="description" content="Plain-language review of the InstantAdPay settlement contract: what it does, what nobody can change, what the operator can and cannot touch, and how to verify all of it yourself.">
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 </head>
 <body>
 <div class="wrap">
@@ -129,8 +129,8 @@
     <div class="small">Advertising services with a performance referral program. Not an investment product; no income guarantees. Crypto transactions are irreversible. Never spend what you cannot afford.</div>
   </footer>
 </div>
-<script src="/assets/common.js?v=20260906i"></script>
-<script src="/assets/contract.js?v=20260906i"></script>
-<script src="/assets/chat.js?v=20260906i"></script>
+<script src="/assets/common.js?v=20260906j"></script>
+<script src="/assets/contract.js?v=20260906j"></script>
+<script src="/assets/chat.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/index.html b/public/index.html
index 24d958b..59d6f26 100644
--- a/public/index.html
+++ b/public/index.html
@@ -5,7 +5,7 @@
 <title>InstantAdPay: advertise and earn, locked in code</title>
 <meta name="description" content="Real ad packages with instant on-chain settlement. Every purchase pays the sponsor line in the same transaction, verifiable by anyone on the live ledger.">
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 </head>
 <body>
 
@@ -410,9 +410,9 @@
   </div>
 </section>
 
-<script src="/assets/common.js?v=20260906i"></script>
-<script src="/assets/wallet.js?v=20260906i"></script>
-<script src="/assets/home.js?v=20260906i"></script>
-<script src="/assets/chat.js?v=20260906i"></script>
+<script src="/assets/common.js?v=20260906j"></script>
+<script src="/assets/wallet.js?v=20260906j"></script>
+<script src="/assets/home.js?v=20260906j"></script>
+<script src="/assets/chat.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/ledger.html b/public/ledger.html
index 524b712..7fd7775 100644
--- a/public/ledger.html
+++ b/public/ledger.html
@@ -5,7 +5,7 @@
 <title>Live ledger | InstantAdPay</title>
 <meta name="description" content="Every purchase, payout, and pass-up on InstantAdPay, streamed straight from the blockchain with a verify link on every line.">
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 </head>
 <body>
 <div class="wrap">
@@ -25,8 +25,8 @@
     <div>InstantAdPay · <a href="/">how it works</a> · <a id="contractLink" href="#" target="_blank" rel="noopener">contract source ↗</a></div>
   </footer>
 </div>
-<script src="/assets/common.js?v=20260906i"></script>
-<script src="/assets/ledger.js?v=20260906i"></script>
-<script src="/assets/chat.js?v=20260906i"></script>
+<script src="/assets/common.js?v=20260906j"></script>
+<script src="/assets/ledger.js?v=20260906j"></script>
+<script src="/assets/chat.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/my.html b/public/my.html
index 63e50be..e669da5 100644
--- a/public/my.html
+++ b/public/my.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Member area | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 </head>
 <body class="bo-body">
 
@@ -584,9 +584,9 @@
   </div>
 </div>
 
-<script src="/assets/common.js?v=20260906i"></script>
-<script src="/assets/wallet.js?v=20260906i"></script>
-<script src="/assets/my.js?v=20260906i"></script>
-<script src="/assets/chat.js?v=20260906i"></script>
+<script src="/assets/common.js?v=20260906j"></script>
+<script src="/assets/wallet.js?v=20260906j"></script>
+<script src="/assets/my.js?v=20260906j"></script>
+<script src="/assets/chat.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/shorts.html b/public/shorts.html
index 6662927..bc1aab2 100644
--- a/public/shorts.html
+++ b/public/shorts.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Shorts | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 <style>
   html,body{height:100%;margin:0;overflow:hidden;background:#000}
   .sh{position:fixed;inset:0;display:flex;flex-direction:column;background:#000;color:var(--ink,#e8fff7)}
@@ -43,6 +43,6 @@
     </div>
   </div>
 </div>
-<script src="/assets/shorts.js?v=20260906i"></script>
+<script src="/assets/shorts.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/tx.html b/public/tx.html
index d685599..984e82d 100644
--- a/public/tx.html
+++ b/public/tx.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Transaction | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 </head>
 <body>
 <div id="nav"></div>
@@ -33,7 +33,7 @@
     <p><a href="/ledger">← Back to the live ledger</a> · <a href="/contract">Read the contract review</a></p>
   </div>
 </section>
-<script src="/assets/common.js?v=20260906i"></script>
-<script src="/assets/tx.js?v=20260906i"></script>
+<script src="/assets/common.js?v=20260906j"></script>
+<script src="/assets/tx.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/view.html b/public/view.html
index f6524dd..f153934 100644
--- a/public/view.html
+++ b/public/view.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Viewing ad — InstantAdPay</title>
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 <style>
   html,body{height:100%;margin:0;overflow:hidden}
   .vw{display:flex;flex-direction:column;height:100vh;height:100dvh;background:var(--bg,#04110c);color:var(--ink,#e8fff7)}
@@ -43,6 +43,6 @@
   </div>
   <iframe class="vframe" id="vFrame" sandbox="allow-scripts allow-same-origin allow-forms allow-popups" referrerpolicy="no-referrer" title="Advertiser site"></iframe>
 </div>
-<script src="/assets/view.js?v=20260906i"></script>
+<script src="/assets/view.js?v=20260906j"></script>
 </body>
 </html>
diff --git a/public/wall.html b/public/wall.html
index b374e00..214d7d3 100644
--- a/public/wall.html
+++ b/public/wall.html
@@ -4,7 +4,7 @@
 <meta charset="utf-8"><meta name="viewport" content="width=device-width,initial-scale=1">
 <title>Banner wall | InstantAdPay</title>
 <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Sora:wght@600;700;800&display=swap">
-<link rel="stylesheet" href="/assets/site.css?v=20260906i">
+<link rel="stylesheet" href="/assets/site.css?v=20260906j">
 </head>
 <body>
 <div id="nav"></div>
@@ -34,7 +34,7 @@
     </div>
   </div>
 </section>
-<script src="/assets/common.js?v=20260906i"></script>
-<script src="/assets/wall.js?v=20260906i"></script>
+<script src="/assets/common.js?v=20260906j"></script>
+<script src="/assets/wall.js?v=20260906j"></script>
 </body>
 </html>
