*,
*::before,
*::after {
  box-sizing: border-box;
}
html {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 100%;
  line-height: 1.5;
  color: #1c1917;
  background: #f5f5f4;
}
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 16px;
}
main.caja {
  width: 100%;
  max-width: 28rem;
  background: #ffffff;
  border: 1px solid #e7e5e4;
  border-radius: 12px;
  padding: 32px 28px;
  box-shadow: 0 1px 3px rgba(28, 25, 23, 0.08);
}
.marca {
  margin: 0 0 8px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #b45309;
}
h1 {
  margin: 0 0 16px;
  font-size: 1.5rem;
  line-height: 1.25;
}
p {
  margin: 0 0 16px;
}
.boton {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  border-radius: 8px;
  background: #1c1917;
  color: #ffffff;
  font-weight: 600;
  text-decoration: none;
}
.boton:hover {
  background: #44403c;
}
.boton:focus-visible {
  outline: 3px solid #b45309;
  outline-offset: 3px;
}
.nota {
  margin: 0;
  font-size: 0.875rem;
  color: #57534e;
}