body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, -apple-system, 'Segoe UI', sans-serif;
  background: #FAFBFB;
  color: #101413;
}
main { max-width: 420px; padding: 32px; text-align: center; }
.marca { font-weight: 600; color: #0E5F66; letter-spacing: -0.01em; margin-bottom: 18px; }
h1 { font-size: 21px; margin: 0 0 8px; letter-spacing: -0.02em; }
p { font-size: 14px; color: #6B7674; line-height: 1.55; margin: 0 0 22px; }
.botao {
  display: inline-block;
  background: #0E5F66;
  color: #FFFFFF;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
}
.botao[hidden] { display: none; }