feat(hq-web): split-panel login

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

apps/hq-web/src/Login.tsx

@@ -26,8 +26,13 @@ export function Login() {
 
   return (
     <div className="login-wrap">
+      <div className="login-brand">
+        <h1>SiMS HQ</h1>
+        <p>The ops console — clients, documents, payments, AMC and reminders in one place.</p>
+      </div>
+      <div className="login-form">
         <div className="login-card">
-        <h2 style={{ marginTop: 0 }}>SiMS HQ</h2>
+          <h2 style={{ marginTop: 0 }}>Sign in</h2>
           <Field label="Email">
             <input
               className="wf" type="email" value={email} autoFocus
@@ -45,5 +50,6 @@ export function Login() {
           {error !== undefined && <Notice tone="err">{error}</Notice>}
         </div>
       </div>
+    </div>
   )
 }