@@ -0,0 +1,19 @@
+---
+category: Type
+---
+
+# Heading
+
+A section headline. `level={2}` is the headline of a band, `level={3}` a block inside it.
+The level sets both the element and the size, so the document outline and the visual
+hierarchy cannot drift apart. Never skip a level.
+
+A headline may state a claim. It never advertises, and it ends with a full stop.
+Contrast pairs carry a lot of weight here: "Verifiable, not asserted."
+
+```jsx
+<Heading>Four stages. One method.</Heading>
+<Heading level={3}>Threat analysis</Heading>
+```
+
+Astro equivalent: `<h2 class="h2">` and `<h3 class="h3">`.