Clean up footer with More Platforms menu

src/App.css

@@ -1472,6 +1472,45 @@
   opacity: 0.4;
 }
 
+.footer-more-links {
+  position: relative;
+}
+
+.footer-more-links summary {
+  color: var(--brand-muted);
+  cursor: pointer;
+  font-family: var(--brand-font-body);
+  font-weight: 400;
+  letter-spacing: 0.05em;
+  font-size: 0.95rem;
+  list-style: none;
+}
+
+.footer-more-links summary::-webkit-details-marker {
+  display: none;
+}
+
+.footer-more-links summary:hover {
+  color: var(--brand-gold);
+}
+
+.footer-more-links[open] .footer-more-links-menu {
+  display: flex;
+}
+
+.footer-more-links-menu {
+  display: none;
+  margin-top: 0.5rem;
+  padding: 0.7rem 0.85rem;
+  border: 1px solid rgba(201, 168, 76, 0.25);
+  border-radius: 10px;
+  background: rgba(12, 10, 7, 0.95);
+  gap: 0.7rem;
+  flex-wrap: wrap;
+  justify-content: center;
+  min-width: 260px;
+}
+
 .footer-copy {
   font-family: var(--brand-font-body);
   font-weight: 300;