landing page: scrollable home with 'How amerc works' (0.30.0)

- tavern hero now scrolls into a product section: 3 feature cards (browse/publish/deliver)
  with CTAs, a 'three ways to use an agent' row (chatbox/web-terminal/reverse-proxy), + footer
- scroll cue under the hero; explains the product to first-time visitors

index.html

@@ -7,7 +7,7 @@
       name="description"
       content="amerc is an agent mercenary layer for embedding, bringing, and hosting agents across vertical software boundaries."
     />
-    <meta name="version" content="0.29.0-footer" />
+    <meta name="version" content="0.30.0-landing" />
     <link rel="icon" href="/favicon.svg" type="image/svg+xml" />
     <link rel="preconnect" href="https://fonts.googleapis.com" />
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin />

package.json

@@ -1,6 +1,6 @@
 {
   "name": "amerc-site",
-  "version": "0.29.0-footer",
+  "version": "0.30.0-landing",
   "private": true,
   "type": "module",
   "scripts": {

src/Scene2D.jsx

@@ -6,7 +6,7 @@ import Mansion from './Mansion.jsx';
 import TavernGame from './TavernGame.jsx';
 import { api } from './api.js';
 
-const RELEASE = '0.29.0-footer';
+const RELEASE = '0.30.0-landing';
 
 const NAV = [
   { id: 'home', label: 'Tavern' },
@@ -71,24 +71,66 @@ function Home({ setRoute }) {
   useEffect(() => { api('/agents/stats').then(setStats).catch(() => {}); }, []);
   return (
     <div className="gm-home">
-      <div className="gm-stage">
-        <TavernGame onHotspot={setRoute} />
-      </div>
-      <div className="gm-caption">
-        <h1>Hire agents like mercenaries.</h1>
-        <p>Walk into the tavern — talk to the <b>screen</b> to browse staff, or step to the floor to open <b>your booth</b>.</p>
-        {stats && (
-          <div className="hero-live">
-            <span><b>{stats.classes}</b> classes</span>
-            <span><b>{stats.online}</b> online</span>
-            <span><b>{stats.sessions}</b> sessions</span>
-          </div>
-        )}
+      <div className="gm-hero">
+        <div className="gm-stage"><TavernGame onHotspot={setRoute} /></div>
+        <div className="gm-caption">
+          <h1>Hire agents like mercenaries.</h1>
+          <p>Walk into the tavern — talk to the <b>screen</b> to browse staff, or step to the floor to open <b>your booth</b>.</p>
+          {stats && (
+            <div className="hero-live">
+              <span><b>{stats.classes}</b> classes</span>
+              <span><b>{stats.online}</b> online</span>
+              <span><b>{stats.sessions}</b> sessions</span>
+            </div>
+          )}
+          <div className="gm-scrollcue" onClick={() => document.querySelector('.hf')?.scrollIntoView({ behavior: 'smooth' })}>how it works ↓</div>
+        </div>
       </div>
+      <HomeFeatures setRoute={setRoute} />
+      <Footer setRoute={setRoute} />
     </div>
   );
 }
 
+const HF_STEPS = [
+  { icon: '🍺', title: 'Browse & hire', body: 'Walk the tavern floor and pick a mercenary by skill and tag. See runtime, online status, and what each agent can do.', cta: ['Browse Agents', 'agents'] },
+  { icon: '🗡️', title: 'Publish & run', body: 'Register your own agent class in My Booth and run instances — your broker brings the runtime. No infrastructure to manage.', cta: ['Open My Booth', 'booth'] },
+  { icon: '🔌', title: 'Deliver anywhere', body: 'Serve users as an embedded chatbox, drive a live web terminal, or expose a local port to the internet via Showcase.', cta: ['The Mansion', 'mansion'] },
+];
+const HF_USES = [
+  { icon: '💬', title: 'Chatbox', body: 'Drop one <script> tag on any site; the agent appears as a chat widget with your page skills injected.' },
+  { icon: '🖥️', title: 'Web terminal', body: 'Open a relayed PTY to the agent’s terminal — watch and drive it right from the browser.' },
+  { icon: '🌐', title: 'Reverse proxy', body: 'Map a local port to your own subdomain — your service goes live on the internet through your broker.' },
+];
+function HomeFeatures({ setRoute }) {
+  return (
+    <section className="hf">
+      <h2 className="hf-title">How <span>amerc</span> works</h2>
+      <p className="hf-lead">An agent mercenary layer for embedding, bringing, and hosting AI agents across vertical software boundaries.</p>
+      <div className="hf-grid">
+        {HF_STEPS.map((s, i) => (
+          <div key={i} className="hf-card">
+            <span className="hf-ico">{s.icon}</span>
+            <h3>{s.title}</h3>
+            <p>{s.body}</p>
+            <button className="hf-link" onClick={() => setRoute(s.cta[1])}>{s.cta[0]} →</button>
+          </div>
+        ))}
+      </div>
+      <h3 className="hf-sub">Three ways to use an agent</h3>
+      <div className="hf-uses">
+        {HF_USES.map((u, i) => (
+          <div key={i} className="hf-use"><span className="hf-ico-sm">{u.icon}</span><div><strong>{u.title}</strong><p>{u.body}</p></div></div>
+        ))}
+      </div>
+      <div className="hf-cta">
+        <button className="px-action" onClick={() => setRoute('agents')}>Browse Agents</button>
+        <button className="px-action" onClick={() => setRoute('booth')}>Publish an Agent</button>
+      </div>
+    </section>
+  );
+}
+
 function Footer({ setRoute }) {
   const [ok, setOk] = useState(null);
   const [stats, setStats] = useState(null);

src/styles.css

@@ -1110,3 +1110,29 @@ button {
 .ft-col a:hover, .ft-col button:hover { color: #27d8ff; }
 .ft-base { max-width: 1080px; margin: 24px auto 0; padding-top: 14px; border-top: 1px solid #140d22; font-size: 11px; color: #5f4f7a; text-align: center; }
 @media (max-width: 680px) { .ft-cols { grid-template-columns: 1fr 1fr; } .ft-brand { grid-column: 1 / -1; } }
+
+/* 0.30 — landing: scrollable home with "how it works" */
+.gm-home { display: block; overflow-y: auto; overflow-x: hidden; padding: 0; scroll-behavior: smooth; }
+.gm-hero { min-height: calc(100vh - 58px); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; padding: 14px 12px; }
+.gm-scrollcue { margin-top: 8px; font-family: Georgia, serif; font-size: 12px; color: #9a86b8; cursor: pointer; opacity: 0.8; animation: hf-bob 2.2s ease-in-out infinite; }
+.gm-scrollcue:hover { color: #27d8ff; }
+@keyframes hf-bob { 0%,100% { transform: translateY(0); } 50% { transform: translateY(4px); } }
+.hf { max-width: 1040px; margin: 0 auto; padding: 50px 22px 30px; font-family: Inter, sans-serif; }
+.hf-title { text-align: center; font-family: Georgia, serif; font-size: clamp(22px, 3vw, 32px); color: #fff; margin: 0 0 8px; }
+.hf-title span { color: #f3d27a; }
+.hf-lead { text-align: center; color: #b9a6cf; font-size: 14px; max-width: 620px; margin: 0 auto 34px; line-height: 1.7; }
+.hf-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
+.hf-card { padding: 22px; border-radius: 16px; background: linear-gradient(165deg, #15102a, #0e0a18); border: 1px solid #271c3a; transition: transform .14s, border-color .14s; }
+.hf-card:hover { transform: translateY(-4px); border-color: #5a3fa0; }
+.hf-ico { font-size: 30px; display: inline-block; margin-bottom: 10px; filter: drop-shadow(0 4px 10px rgba(120,90,200,0.4)); }
+.hf-card h3 { margin: 0 0 8px; color: #fff; font-size: 17px; }
+.hf-card p { margin: 0 0 14px; color: #b9a6cf; font-size: 13px; line-height: 1.6; }
+.hf-link { background: none; color: #27d8ff; cursor: pointer; font: inherit; font-size: 13px; padding: 0; font-weight: 600; }
+.hf-link:hover { color: #7fe9ff; }
+.hf-sub { text-align: center; font-family: Georgia, serif; font-size: 19px; color: #f3d27a; margin: 44px 0 18px; }
+.hf-uses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
+.hf-use { display: flex; gap: 12px; padding: 16px; border-radius: 12px; background: #0e0a18; border: 1px solid #221934; }
+.hf-ico-sm { font-size: 22px; flex: none; }
+.hf-use strong { color: #fff; font-size: 14px; } .hf-use p { margin: 4px 0 0; color: #9a86b8; font-size: 12px; line-height: 1.5; }
+.hf-cta { display: flex; gap: 12px; justify-content: center; margin: 38px 0 0; }
+@media (max-width: 760px) { .hf-grid, .hf-uses { grid-template-columns: 1fr; } }