fix(a11y): address axe color-contrast violations on dark surface

styles/components/post-list.css

@@ -1,5 +1,11 @@
 /* Blog/post index listing styles */
 
+/* Category pill on dark page surface — needs higher contrast than the default
+ * --color-bodylinks (~3:1 against --color-page-base) for WCAG AA. */
+.post-list__category {
+	color: var(--color-primary-87, #dce1ff);
+}
+
 .post-list {
   /* Original styles, if needed
    * .post-list__posts {

styles/components/project-card.css

@@ -333,7 +333,7 @@
 	margin: 0;
 }
 .home-recent__view-all {
-	color: var(--color-primary, #b6c4ff);
+	color: var(--color-primary-87, #dce1ff);
 	font-weight: 600;
 	text-decoration: none;
 }

styles/components/sidebar.css

@@ -24,5 +24,12 @@
         }
       }
     }
+
+    /* Links inside sidebar widgets on dark page surface — bumped to --color-primary-87
+     * to clear WCAG AA (the inherited global --color-bodylinks is only ~3:1). */
+    a[data-type],
+    a[data-id] {
+      color: var(--color-primary-87, #dce1ff);
+    }
   }
 }