Top menu: 'How it works' and 'Ad packages' anchor to homepage sections (#how, #packages); sections clear the sticky nav

The Ad packages link pointed at /#ladder, an id that did not exist on the homepage.

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

public/assets/common.js

@@ -29,8 +29,8 @@ window.IAP = (function () {
     nav.innerHTML = '<div class="wrap">'
       + '<span class="logo-wrap"><a class="logo" href="/"><img src="/logo.png" alt="InstantAdPay" style="height:30px;display:block"></a><span class="byline">Brought to you by the <b>Crypto Team Build Network</b></span></span>'
       + '<span class="links">'
-      + '<a href="/" data-p="home">How it works</a>'
-      + '<a href="/#ladder" data-p="pricing">Ad packages</a>'
+      + '<a href="/#how" data-p="home">How it works</a>'
+      + '<a href="/#packages" data-p="pricing">Ad packages</a>'
       + '<a href="/ledger" data-p="ledger">Live ledger</a>'
       + '<a href="/contract" data-p="contract">The contract</a>'
       + '<a href="/my" data-p="my">Members</a>'