:root{--fg:#111;--bg:#fff;--muted:#666}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);margin:0;padding:0;font-family:system-ui,-apple-system,sans-serif;line-height:1.5}.landing{max-width:32rem;margin:0 auto;padding:20vh 1.5rem 4rem}.landing h1{margin:0 0 1rem;font-size:2rem}.tagline{margin:0 0 1.5rem;font-size:1.1rem}.note{color:var(--muted);margin:0 0 2rem}.subscribe-form{flex-wrap:wrap;gap:.5rem;display:flex}.subscribe-form input[type=email]{border:1px solid #ccc;border-radius:6px;flex:16rem;padding:.6rem .75rem;font-size:1rem}.subscribe-form button{background:var(--fg);color:var(--bg);cursor:pointer;border:none;border-radius:6px;padding:.6rem 1.1rem;font-size:1rem}.subscribe-form button:disabled{opacity:.6;cursor:default}.subscribe-role{background:var(--bg);color:var(--fg);border:1px solid #ccc;border-radius:6px;flex:12rem;padding:.6rem .75rem;font-size:1rem}.subscribe-success{font-size:1.1rem}.subscribe-error{color:#c00;flex-basis:100%;margin:.25rem 0 0}