About: acknowledge the projects Astrolabe is built on and shaped by

src/app/components/AboutModal.module.css

@@ -94,7 +94,26 @@
   vertical-align: top;
 }
 
-/* Privacy list */
+/* Acknowledgements — a labelled group above each credit list. */
+.ackGroup {
+  display: flex;
+  flex-direction: column;
+  gap: var(--space-2);
+}
+
+.ackLabel {
+  margin: 0;
+  font-size: 13px;
+  font-weight: 600;
+  color: var(--text);
+}
+
+/* Trailing "— what it's for" gloss after the project links. */
+.ackNote {
+  color: var(--text-secondary);
+}
+
+/* Privacy + acknowledgement lists */
 .list {
   margin: 0;
   padding-left: var(--space-5);