diff --git a/frontend/src/styles.css b/frontend/src/styles.css
index 7952769..eba111e 100644
--- a/frontend/src/styles.css
+++ b/frontend/src/styles.css
@@ -70,6 +70,14 @@ input:focus-visible, button:focus-visible, select:focus-visible, textarea:focus-
   outline: 2px solid var(--accent);
   outline-offset: 1px;
 }
+/* Anchors that inherit their colour from the heading or nav (no default link
+   colour, no default underline) need an extra focus cue beyond the outline,
+   so keyboard users can be sure they're on an interactive element. */
+a:focus-visible {
+  outline: 2px solid var(--accent);
+  outline-offset: 2px;
+  text-decoration: underline;
+}
 
 button {
   cursor: pointer;