/* Estilo simples para o site de teste */
:root{
  --bg:#0f1724;
  --accent:#7c3aed;
  --text:#e6eef8;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial;}
body{background:linear-gradient(135deg,var(--bg),#071428);color:var(--text);display:flex;align-items:center;justify-content:center}
.center{max-width:720px;padding:32px;text-align:center}
h1{font-size:3rem;margin:0 0 8px;color:var(--accent)}
p{margin:8px 0 16px;opacity:.95}
.btn{display:inline-block;padding:10px 18px;background:var(--accent);color:white;text-decoration:none;border-radius:8px}