:root {
  --fondo: #05070d;
  --panel: #0c1424;
  --borde: #1d3157;
  --texto: #dcecff;
  --suave: #93acd0;
  --azul: #3d9bff;
  --celeste: #7fd8ff;
  --ok: #7ee2a8;
  --error: #ff9f8f;
  --radio: 18px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(1200px 600px at 70% -10%, rgba(61, 155, 255, 0.16), transparent 60%), var(--fondo);
  color: var(--texto);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--celeste); }
h1, h2, h3 { line-height: 1.15; margin: 0; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border-radius: 999px; padding: 10px 18px; font: 600 15px system-ui, sans-serif;
  text-decoration: none; cursor: pointer; border: 1px solid transparent;
  transition: transform 0.15s, box-shadow 0.2s, background 0.2s;
}
.btn:active { transform: scale(0.97); }
.btn-primario { background: linear-gradient(135deg, #4fb2ff, #2a6cf0); color: #fff; box-shadow: 0 6px 24px rgba(61, 155, 255, 0.35); }
.btn-primario:hover { box-shadow: 0 8px 30px rgba(61, 155, 255, 0.55); }
.btn-secundario { background: rgba(61, 155, 255, 0.1); color: var(--celeste); border-color: rgba(127, 216, 255, 0.3); }
.btn-fantasma { color: var(--suave); }
.btn-fantasma:hover { color: #fff; }
.btn-grande { padding: 14px 26px; font-size: 17px; }
.btn[disabled] { opacity: 0.55; pointer-events: none; }

/* Navegación */
.nav {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 12px max(16px, calc((100vw - 1120px) / 2));
  background: rgba(5, 7, 13, 0.75); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(29, 49, 87, 0.6);
}
.marca { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-weight: 700; font-size: 20px; }
.chip { font-size: 11px; letter-spacing: 0.12em; color: var(--celeste); border: 1px solid rgba(127, 216, 255, 0.4); border-radius: 999px; padding: 2px 8px; }
.logo { display: inline-flex; gap: 5px; }
.logo i { width: 11px; height: 16px; border-radius: 5px; background: var(--azul); box-shadow: 0 0 10px rgba(79, 200, 255, 0.8); }
.logo.pequeño i { width: 8px; height: 12px; border-radius: 4px; }
.nav-acciones { display: flex; align-items: center; gap: 6px; }

/* Héroe */
.heroe {
  max-width: 1120px; margin: 0 auto; padding: 56px 16px 32px;
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 32px; align-items: center;
}
.sobretitulo { display: inline-flex; align-items: center; gap: 8px; color: var(--celeste); font-size: 14px; font-weight: 600; margin: 0 0 14px; }
.punto { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 4px rgba(126, 226, 168, 0.18); }
h1 { font-size: clamp(34px, 5.4vw, 58px); letter-spacing: -0.02em; color: #fff; }
.degradado { background: linear-gradient(90deg, #7fd8ff, #3d9bff); -webkit-background-clip: text; background-clip: text; color: transparent; }
.bajada { color: var(--suave); font-size: clamp(16px, 1.6vw, 19px); margin: 18px 0 26px; max-width: 560px; }
.acciones { display: flex; flex-wrap: wrap; gap: 12px; }
.nota { color: #6f87ab; font-size: 14px; margin-top: 14px; }
.heroe-ojos {
  position: relative; aspect-ratio: 4 / 3; border-radius: 28px; overflow: hidden;
  background: #000; border: 1px solid var(--borde);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(61, 155, 255, 0.12) inset;
}
.heroe-ojos canvas { width: 100%; height: 100%; display: block; }
.burbuja {
  position: absolute; left: 50%; bottom: 7%; transform: translateX(-50%);
  width: max-content; max-width: 86%; text-align: center;
  background: rgba(30, 90, 200, 0.18); border: 1px solid rgba(127, 216, 255, 0.25);
  color: var(--celeste); border-radius: 999px; padding: 8px 16px; font-size: 14px;
  transition: opacity 0.4s;
}

/* Aviso beta */
.aviso {
  max-width: 1088px; margin: 12px auto 0; padding: 16px 20px;
  border-radius: var(--radio); border: 1px solid rgba(255, 200, 90, 0.35);
  background: rgba(255, 190, 70, 0.08); color: #f3dcae; font-size: 15px;
}
.aviso strong { color: #ffd98a; }
@media (max-width: 1120px) { .aviso { margin-left: 16px; margin-right: 16px; } }

/* Secciones */
.seccion { max-width: 1120px; margin: 0 auto; padding: 56px 16px 8px; }
.seccion h2 { font-size: clamp(24px, 3vw, 34px); color: #fff; margin-bottom: 22px; }
.grilla { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grilla-2 { grid-template-columns: repeat(2, 1fr); }
.tarjeta { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; }
.tarjeta h3 { font-size: 18px; color: #fff; margin: 10px 0 6px; }
.tarjeta.plana h3 { margin-top: 0; }
.tarjeta p { margin: 0; color: var(--suave); font-size: 15px; }
.icono { font-size: 28px; }
.edades { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.edades div { background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 18px; }
.edades b { display: block; font-size: 28px; color: var(--celeste); }
.edades span { color: var(--suave); font-size: 14px; }
.pasos { list-style: none; padding: 0; margin: 0 0 28px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; counter-reset: paso; }
.pasos li { counter-increment: paso; background: var(--panel); border: 1px solid var(--borde); border-radius: var(--radio); padding: 22px; }
.pasos li::before { content: counter(paso); display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(61, 155, 255, 0.18); color: var(--celeste); font-weight: 700; margin-bottom: 12px; }
.pasos b { display: block; color: #fff; font-size: 17px; }
.pasos span { color: var(--suave); font-size: 15px; }
.centro { text-align: center; }
details { background: var(--panel); border: 1px solid var(--borde); border-radius: 14px; padding: 14px 18px; margin-bottom: 10px; }
summary { cursor: pointer; font-weight: 600; color: #fff; }
details p { color: var(--suave); margin: 10px 0 0; }
.pie { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 48px 16px; color: #5d7398; font-size: 14px; }

/* Modal */
.modal {
  width: min(520px, calc(100vw - 24px)); max-height: calc(100dvh - 24px);
  border: 1px solid var(--borde); border-radius: 22px; padding: 28px 24px 24px;
  background: #0a1120; color: var(--texto);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.7);
}
.modal::backdrop { background: rgba(2, 4, 10, 0.7); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.cerrar { position: absolute; top: 10px; right: 12px; width: 36px; height: 36px; border-radius: 50%; border: 0; background: transparent; color: var(--suave); font-size: 26px; line-height: 1; cursor: pointer; }
.cerrar:hover { color: #fff; background: rgba(255, 255, 255, 0.06); }
.modal h2 { font-size: 23px; color: #fff; margin: 0 28px 8px 0; }
.modal p { color: var(--suave); margin: 0 0 16px; }
.modal label { display: block; font-size: 14px; color: var(--suave); margin-bottom: 6px; }
.campo {
  width: 100%; padding: 13px 14px; border-radius: 12px; border: 1px solid #27406b;
  background: #070d19; color: #fff; font: 17px system-ui, sans-serif; margin-bottom: 14px;
}
.campo:focus { outline: 2px solid rgba(79, 178, 255, 0.6); border-color: transparent; }
.campo.codigo { font-size: 28px; letter-spacing: 0.4em; text-align: center; font-variant-numeric: tabular-nums; }
.modal .btn { width: 100%; }
.enlace { background: none; border: 0; color: var(--celeste); font: inherit; font-size: 14px; cursor: pointer; padding: 6px 0; text-decoration: underline; }
.fila-enlaces { display: flex; justify-content: space-between; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.error { color: var(--error); font-size: 14px; min-height: 1.4em; margin: -4px 0 10px; }
.roles { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.rol { text-align: left; padding: 18px; border-radius: 16px; border: 1px solid #27406b; background: #0c1424; color: #fff; cursor: pointer; font: inherit; }
.rol:hover { border-color: var(--azul); }
.rol b { display: block; font-size: 17px; margin-top: 6px; }
.rol span { font-size: 28px; }
.progreso { height: 6px; border-radius: 999px; background: #14223d; overflow: hidden; margin-bottom: 18px; }
.progreso i { display: block; height: 100%; background: linear-gradient(90deg, #4fb2ff, #7fd8ff); transition: width 0.3s; }
.contador { font-size: 13px; color: #6f87ab; margin-bottom: 6px; }
.pregunta { font-size: 19px; color: #fff; font-weight: 600; margin: 0 0 16px; line-height: 1.35; }
.opciones { display: grid; gap: 10px; }
.opcion { text-align: left; padding: 14px 16px; border-radius: 14px; border: 1px solid #27406b; background: #0c1424; color: var(--texto); font: inherit; cursor: pointer; }
.opcion:hover { border-color: var(--azul); }
.opcion.elegida { border-color: var(--celeste); background: rgba(61, 155, 255, 0.16); color: #fff; }
.resultado-icono { font-size: 54px; text-align: center; margin-bottom: 6px; }
.centrado { text-align: center; }

@media (max-width: 900px) {
  .heroe { grid-template-columns: 1fr; padding-top: 32px; }
  .heroe-ojos { order: -1; aspect-ratio: 16 / 9; }
  .grilla { grid-template-columns: 1fr 1fr; }
  .edades { grid-template-columns: 1fr 1fr; }
  .pasos { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .solo-ancho { display: none; }
  .nav-acciones .btn-fantasma { padding: 8px 10px; font-size: 14px; }
  .grilla, .grilla-2 { grid-template-columns: 1fr; }
  .acciones .btn { width: 100%; }
  .roles { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }