Fix mobile navigation bounds

docs/index.html

@@ -329,6 +329,7 @@
       }
       @media (max-width: 820px) {
         .wrap { width: min(var(--maxw), calc(100% - 32px)); }
+        .links.open { left: -16px; right: -16px; padding-inline: 16px; }
         section { padding: 68px 0; }
         .hero { padding-top: 52px; }
         h1 { font-size: 3rem; }