:root {
  --azul: #026fb3;
  --azul-claro: #02a5db;
  --texto: #10212e;
  --fondo: #ffffff;
  --gris: #64748b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Outfit", "Inter", system-ui, sans-serif;
  color: var(--texto);
  background: var(--fondo);
}

.demo {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.panel {
  width: min(420px, 100%);
  text-align: center;
  display: grid;
  gap: 1rem;
  justify-items: center;
}

/* Sin esto el display:grid de arriba gana al atributo hidden y se verían
   todos los paneles a la vez. */
.panel[hidden] { display: none; }

h1, h2 { margin: 0; font-size: 1.6rem; line-height: 1.2; }
.lead { margin: 0; color: var(--gris); }

.cta {
  display: inline-block;
  padding: 0.9rem 2rem;
  border: 0;
  border-radius: 999px;
  background: var(--azul);
  color: #fff;
  font: inherit;
  font-size: 1.05rem;
  text-decoration: none;
  cursor: pointer;
}

.cta:hover { background: #093f75; }

.hangup {
  padding: 0.6rem 1.6rem;
  border: 1px solid #cbd5e1;
  border-radius: 999px;
  background: #fff;
  font: inherit;
  cursor: pointer;
}

.link {
  border: 0;
  background: none;
  color: var(--azul);
  font: inherit;
  text-decoration: underline;
  cursor: pointer;
}

.legal { margin: 0; font-size: 0.75rem; color: var(--gris); line-height: 1.5; }
.legal a { color: var(--gris); }

.status { margin: 0; color: var(--gris); }
.timer { margin: 0; font-variant-numeric: tabular-nums; font-size: 1.4rem; }

.orb {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, var(--azul-claro), var(--azul));
  transform: scale(var(--nivel, 1));
  transition: transform 90ms linear;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid #e2e8f0;
  border-top-color: var(--azul);
  border-radius: 50%;
  animation: girar 0.9s linear infinite;
}

@keyframes girar { to { transform: rotate(360deg); } }

@media (prefers-reduced-motion: reduce) {
  .spinner { animation: none; }
  .orb { transition: none; }
}