diff --git a/src/pages/index.astro b/src/pages/index.astro
index 3e42144..1e7a65e 100644
--- a/src/pages/index.astro
+++ b/src/pages/index.astro
@@ -11,7 +11,7 @@ import HomeLayout from "../layouts/HomeLayout.astro";
   <main id="main" tabindex="-1">
     <section id="intro" class="chapter is-active" data-scene="intro" aria-label="Introduction">
       <div class="chapter__inner">
-        <h1 class="sr-only">mdbase</h1>
+        <h1 class="home-title">Structured data in ordinary Markdown files</h1>
         <p>
           An mdbase is a folder of Markdown files with enough shared structure
           for applications to understand them. The files remain readable in a
@@ -25,6 +25,10 @@ import HomeLayout from "../layouts/HomeLayout.astro";
           which applications may use it. If a collection remains on your
           computer, the mdbase Connector serves the folder locally.
         </p>
+        <div class="chapter__actions home-actions">
+          <a class="home-action home-action--primary" href="https://editor.mdbase.dev/">Open the Editor</a>
+          <a class="home-action" href="/spec/">Read the specification</a>
+        </div>
       </div>
     </section>
 
diff --git a/src/styles/home.css b/src/styles/home.css
index 5e3fe66..8b70acc 100644
--- a/src/styles/home.css
+++ b/src/styles/home.css
@@ -37,7 +37,8 @@
   align-items: center;
   scroll-margin-top: 120px;
 }
-.chapter:first-child { min-height: 126vh; }
+/* A full viewport keeps the headline above the fold beside the intro diagram. */
+.chapter:first-child { min-height: 100vh; }
 .chapter:last-child { min-height: 120vh; }
 
 .chapter__inner {
@@ -57,6 +58,38 @@
   letter-spacing: 0;
 }
 .home-body p { margin: 0 0 20px; }
+
+/* global.css is not loaded here, so homepage links need their own rule. */
+.home-body a {
+  color: var(--color-text);
+  text-decoration-thickness: 1px;
+  text-underline-offset: 0.2em;
+}
+.home-body a:hover { color: var(--color-text-soft); }
+
+.home-body .home-title {
+  max-width: 18ch;
+  margin-bottom: 28px;
+  font-size: clamp(1.7rem, 3.2vw, 2.4rem);
+  line-height: 1.12;
+  letter-spacing: -0.01em;
+}
+
+.chapter__actions.home-actions {
+  flex-direction: row;
+  flex-wrap: wrap;
+  align-items: center;
+  gap: 0.75rem 1.5rem;
+}
+.home-body .home-action--primary {
+  padding: 0.55rem 1rem;
+  border: 1px solid var(--color-text);
+  text-decoration: none;
+}
+.home-body .home-action--primary:hover {
+  color: var(--color-canvas);
+  background: var(--color-text);
+}
 .chapter__lead, .chapter__body { color: var(--color-text); }
 
 .file-tree,