/* ============================================================
   Summit Agent · la landing
   ============================================================
   Direccion visual: "estudio oscuro".

   Fondo casi negro, una aurora verde arriba, una retícula tenue y
   tipografía monoespaciada para los detalles. Todo con gradientes de
   CSS: no hay una sola imagen, ni una fuente por CDN, ni un recurso
   externo. La politica de seguridad de contenido no lo permitiría.

   El HTML lo arma el backend con lo que hay en la base
   (backend/src/landing/render.ts). Acá solo hay estilos.
   ============================================================ */

/* ---------- Los tokens ---------- */
:root {
  --fondo: #07090b;
  --fondo-2: #0b0f13;
  --fondo-3: #0e1318;
  --linea: #1b2229;
  --linea-fuerte: #2a343d;
  --texto: #eef2f5;
  --suave: #96a3ae;
  --tenue: #6b7883;
  --acento: #5ee9a8;
  --acento-2: #7aa2ff;
  --acento-suave: rgba(94, 233, 168, .12);
  --acento-linea: rgba(94, 233, 168, .28);

  --sans: "Segoe UI", Inter, system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, "Liberation Mono", monospace;

  --ancho: 1180px;
  --radio: 14px;
  --radio-chico: 9px;
  --alto-cabecera: 62px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--alto-cabecera) + 1rem);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
}

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -.025em;
  line-height: 1.15;
}

p {
  margin: 0;
}

a {
  color: var(--acento);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

code,
.mono {
  font-family: var(--mono);
}

:focus-visible {
  outline: 2px solid var(--acento);
  outline-offset: 3px;
  border-radius: 4px;
}

/* El salto al contenido, para el teclado. */
.salto {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: .7rem 1.1rem;
  background: var(--acento);
  color: #06110b;
  font-weight: 600;
}

.salto:focus {
  left: 1rem;
  top: 1rem;
}

.oculto-visual {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- El marco ---------- */
.marco {
  max-width: var(--ancho);
  margin: 0 auto;
  padding: 0 28px;
}

/* ============================================================
   La cabecera
   ============================================================ */
.cab {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 9, 11, .78);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--linea);
}

.cab .fila {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--alto-cabecera);
}

.marca {
  display: flex;
  align-items: center;
  gap: .6rem;
  color: var(--texto);
  font-weight: 700;
  letter-spacing: -.02em;
}

.marca:hover {
  text-decoration: none;
  color: var(--texto);
}

.marca__icono {
  width: 26px;
  height: 26px;
  display: block;
  flex: none;
}

.nav {
  margin-left: auto;
}

.nav__lista {
  display: flex;
  align-items: center;
  gap: 1.4rem;
}

.nav__lista a {
  color: var(--suave);
  font-size: .92rem;
}

.nav__lista a:hover {
  color: var(--texto);
  text-decoration: none;
}

.nav__lista a[aria-current="page"] {
  color: var(--texto);
  font-weight: 600;
}

/* ============================================================
   Los botones
   ============================================================ */
.btn {
  display: inline-block;
  padding: .72rem 1.15rem;
  border: 1px solid var(--linea-fuerte);
  border-radius: 10px;
  background: var(--fondo-3);
  color: var(--texto);
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease, transform .15s ease;
}

.btn:hover {
  text-decoration: none;
  border-color: var(--acento-linea);
  transform: translateY(-1px);
}

.btn--p {
  background: var(--acento);
  border-color: transparent;
  color: #06110b;
}

.btn--p:hover {
  background: #74f0b7;
  border-color: transparent;
}

.btn--chico {
  padding: .48rem .85rem;
  font-size: .88rem;
}

.cab__entrar {
  flex: none;
}

/* ============================================================
   La portada
   ============================================================ */
.hero {
  position: relative;
  padding: 5rem 0 4rem;
  overflow: hidden;
}

/* La aurora: el unico adorno del fondo. */
.hero::before {
  content: "";
  position: absolute;
  inset: -35% 35% 25% -12%;
  background: radial-gradient(closest-side, rgba(94, 233, 168, .2), transparent 70%);
  filter: blur(34px);
  pointer-events: none;
}

/* La retícula. */
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, .03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .03) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(62% 58% at 50% 28%, #000, transparent 76%);
  mask-image: radial-gradient(62% 58% at 50% 28%, #000, transparent 76%);
}

.hero > .marco {
  position: relative;
  z-index: 2;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .4rem .75rem;
  border: 1px solid var(--acento-linea);
  border-radius: 999px;
  background: rgba(94, 233, 168, .07);
  color: var(--acento);
  font-family: var(--mono);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--acento);
  box-shadow: 0 0 10px var(--acento);
}

.hero h1 {
  max-width: 17ch;
  margin: 1.4rem 0 0;
  font-size: clamp(2.7rem, 1.4rem + 4.4vw, 4.6rem);
  line-height: 1.02;
  letter-spacing: -.035em;
  font-weight: 680;
}

.bajada {
  max-width: 56ch;
  margin: 1.3rem 0 0;
  color: var(--suave);
  font-size: 1.08rem;
  line-height: 1.65;
}

.acciones {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  margin-top: 2.1rem;
}

.micro {
  margin-top: 1.4rem;
  color: var(--tenue);
  font-family: var(--mono);
  font-size: .8rem;
}

/* ---------- El panel del ejemplo ---------- */
.panel {
  margin-top: 3.2rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
  box-shadow: 0 40px 90px -46px rgba(0, 0, 0, .95);
  overflow: hidden;
}

.panel__barra {
  display: flex;
  align-items: center;
  gap: .45rem;
  padding: .6rem .9rem;
  border-bottom: 1px solid var(--linea);
  background: var(--fondo-2);
}

.panel__barra i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #263038;
}

.panel__barra i:first-child {
  background: #3a4a3f;
}

.panel__barra span {
  margin-left: .6rem;
  color: var(--tenue);
  font-family: var(--mono);
  font-size: .74rem;
}

.panel__cuerpo {
  display: grid;
  gap: .9rem;
  padding: 1.2rem;
}

.fila-prompt {
  display: flex;
  justify-content: flex-end;
}

.prompt {
  max-width: 70%;
  padding: .6rem .85rem;
  border: 1px solid var(--acento-linea);
  border-radius: 10px 10px 2px 10px;
  background: rgba(94, 233, 168, .09);
  color: #cfe9dd;
  font-size: .9rem;
}

.prompt--bot {
  max-width: 78%;
  margin-right: auto;
  border-color: var(--linea);
  border-radius: 10px 10px 10px 2px;
  background: var(--fondo-2);
  color: #d6dee4;
}

.fuentes {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
}

.fuentes b {
  padding: .25rem .5rem;
  border: 1px solid var(--linea);
  border-radius: 6px;
  color: #7b8792;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 400;
}

/* ============================================================
   Las secciones
   ============================================================ */
.bloque {
  padding: 4rem 0;
}

.bloque--garantias {
  padding-top: 0;
}

.etiqueta {
  color: var(--acento);
  font-family: var(--mono);
  font-size: .76rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.seccion__titulo {
  margin: .8rem 0 0;
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.4rem);
  font-weight: 660;
}

.seccion__bajada {
  max-width: 58ch;
  margin: .9rem 0 0;
  color: var(--suave);
  font-size: 1.02rem;
  line-height: 1.65;
}

/* ---------- Las garantias ---------- */
.garantias {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.4rem;
  padding: 1.6rem 0 0;
  border-top: 1px solid var(--linea);
}

.garantia__titulo {
  font-size: .98rem;
  font-weight: 620;
}

.garantia__texto {
  margin-top: .35rem;
  color: var(--suave);
  font-size: .9rem;
  line-height: 1.55;
}

/* ---------- El resumen ---------- */
.resumen {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
  margin-top: 2.2rem;
}

.resumen__item {
  padding: 1.25rem 1.3rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.resumen__titulo {
  font-size: 1rem;
  font-weight: 620;
}

.resumen__texto {
  margin-top: .45rem;
  color: var(--suave);
  font-size: .92rem;
  line-height: 1.6;
}

/* ---------- El bento ---------- */
.bento {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 2.2rem;
}

.celda {
  padding: 1.4rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.celda--ancha {
  grid-column: span 2;
}

.celda h3 {
  margin: .8rem 0 .4rem;
  font-size: 1.05rem;
}

.celda p {
  color: var(--suave);
  font-size: .92rem;
  line-height: 1.6;
}

.icono {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--linea);
  border-radius: var(--radio-chico);
  background: var(--fondo-2);
  color: var(--acento);
  font-family: var(--mono);
  font-size: .85rem;
  font-weight: 600;
}

.num {
  color: #48545e;
  font-family: var(--mono);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .08em;
}

/* ---------- Las capacidades ---------- */
.capacidades {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 14px;
  margin-top: 2.2rem;
}

.capacidad {
  position: relative;
  overflow: hidden;
  padding: 1.3rem 1.3rem 1.3rem 1.5rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.capacidad::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--acento), transparent);
}

.capacidad__titulo {
  font-size: 1rem;
  font-weight: 620;
}

.capacidad__texto {
  margin-top: .45rem;
  color: var(--suave);
  font-size: .92rem;
  line-height: 1.6;
}

.capacidad__dato {
  display: inline-block;
  margin-top: .85rem;
  padding: .25rem .6rem;
  border: 1px solid var(--acento-linea);
  border-radius: 999px;
  background: var(--acento-suave);
  color: var(--acento);
  font-size: .75rem;
  font-weight: 600;
}

/* ---------- Los numeros ---------- */
.numeros {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(13rem, 1fr));
  gap: 14px;
  margin-top: 2.2rem;
}

.numero {
  padding: 1.25rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.numero__valor {
  color: var(--acento);
  font-family: var(--mono);
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.15;
}

.numero__texto {
  margin-top: .4rem;
  color: var(--suave);
  font-size: .88rem;
  line-height: 1.55;
}

/* ---------- Los portales ---------- */
.portales {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15.5rem, 1fr));
  gap: 1rem;
  margin: 2.4rem 0;
}

.portal {
  display: flex;
  flex-direction: column;
  gap: .45rem;
  padding: 1.35rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
  color: inherit;
  transition: border-color .15s ease, transform .15s ease;
}

.portal:hover {
  border-color: var(--acento-linea);
  color: inherit;
  text-decoration: none;
  transform: translateY(-2px);
}

.portal__etiqueta {
  color: var(--acento);
  font-family: var(--mono);
  font-size: .73rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.portal__titulo {
  font-size: 1.08rem;
  font-weight: 620;
}

.portal__texto {
  color: var(--suave);
  font-size: .92rem;
  line-height: 1.6;
}

.portal__ir {
  margin-top: auto;
  padding-top: .7rem;
  color: var(--acento);
  font-size: .88rem;
  font-weight: 600;
}

/* ============================================================
   Los planes
   ============================================================ */
.planes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: 1rem;
  margin-top: 2.2rem;
  align-items: start;
}

.plan {
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.plan__nombre {
  font-size: 1.1rem;
  font-weight: 660;
}

.plan__descripcion {
  margin-top: .4rem;
  color: var(--suave);
  font-size: .9rem;
  line-height: 1.55;
}

.plan__precio {
  margin-top: 1rem;
  color: var(--texto);
  font-family: var(--mono);
  font-size: 1.6rem;
  font-weight: 700;
  line-height: 1.1;
}

.plan__periodo {
  color: var(--tenue);
  font-family: var(--sans);
  font-size: .82rem;
  font-weight: 500;
}

.plan__lista {
  display: grid;
  gap: .45rem;
  margin-top: 1.1rem;
  color: var(--suave);
  font-size: .9rem;
}

.plan__lista li {
  position: relative;
  padding-inline-start: 1.25rem;
}

.plan__lista li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .55em;
  width: .45rem;
  height: .45rem;
  border-radius: 50%;
  background: var(--acento);
}

.limites {
  display: grid;
  gap: .6rem;
  margin-top: 1.2rem;
}

.limite {
  padding: .7rem .8rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio-chico);
  background: var(--fondo-2);
}

.limite__cabeza {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: .75rem;
}

.limite__etiqueta {
  font-size: .88rem;
  font-weight: 600;
}

.limite__valor {
  color: var(--acento);
  font-family: var(--mono);
  font-size: .85rem;
  font-weight: 700;
  white-space: nowrap;
}

.limite__explicacion {
  margin-top: .3rem;
  color: var(--tenue);
  font-size: .81rem;
  line-height: 1.5;
}

.planes__nota {
  margin-top: 1.4rem;
  color: var(--tenue);
  font-size: .88rem;
}

/* ============================================================
   El FAQ
   ============================================================ */
.faq {
  display: grid;
  gap: 1.4rem;
  margin-top: 2.2rem;
}

.faq__grupo {
  padding: 1.4rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.faq__grupoTitulo {
  font-size: 1.12rem;
  font-weight: 640;
}

.faq__grupoBajada {
  margin-top: .3rem;
  color: var(--tenue);
  font-size: .88rem;
}

.faq__lista {
  display: grid;
  gap: .5rem;
  margin-top: 1.1rem;
}

.faq__item {
  border: 1px solid var(--linea);
  border-radius: var(--radio-chico);
  background: var(--fondo-2);
  overflow: hidden;
}

.faq__item[open] {
  border-color: var(--acento-linea);
}

.faq__pregunta {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .8rem;
  padding: .85rem .95rem;
  cursor: pointer;
  list-style: none;
  font-size: .95rem;
  font-weight: 600;
}

.faq__pregunta::-webkit-details-marker {
  display: none;
}

.faq__pregunta:hover {
  color: var(--acento);
}

.faq__signo {
  flex: none;
  color: var(--acento);
  font-family: var(--mono);
  font-weight: 700;
  line-height: 1.5;
}

.faq__item[open] .faq__signo {
  transform: rotate(45deg);
}

.faq__respuesta {
  padding: 0 .95rem .95rem;
  color: var(--suave);
  font-size: .92rem;
}

.faq__respuesta p + p {
  margin-top: .6rem;
}

.faq__enlace {
  display: inline-block;
  margin-top: .6rem;
  font-size: .9rem;
  font-weight: 600;
}

/* ============================================================
   Los bloques legales
   ============================================================ */
.legales {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.2rem;
}

.bloque-legal {
  padding: 1.6rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.bloque-legal__titulo {
  font-size: 1.15rem;
  font-weight: 640;
}

.bloque-legal__intro {
  margin-top: .4rem;
  color: var(--tenue);
  font-size: .87rem;
}

.cita-legal {
  margin: 1.1rem 0 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--acento);
  border-radius: 0 var(--radio-chico) var(--radio-chico) 0;
  background: rgba(94, 233, 168, .05);
  color: #cfd8de;
  font-size: .93rem;
  line-height: 1.72;
}

.cita-legal p + p {
  margin-top: .8rem;
}

.cita-legal strong {
  color: var(--texto);
  font-weight: 650;
}

/* ============================================================
   Las tarjetas y las rejillas
   ============================================================ */
.rejilla {
  display: grid;
  gap: 1rem;
  margin-top: 2.2rem;
}

.rejilla--3 {
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}

.tarjeta {
  padding: 1.35rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.tarjeta__titulo {
  font-size: 1rem;
  font-weight: 620;
}

.tarjeta__texto {
  margin-top: .5rem;
  font-family: var(--mono);
  font-size: .92rem;
  word-break: break-word;
}

.tarjeta__nota {
  margin-top: .35rem;
  color: var(--suave);
  font-size: .87rem;
  line-height: 1.55;
}

/* ---------- El texto destacado ---------- */
.destacado {
  margin-top: 2.2rem;
  padding: 1.6rem;
  border: 1px solid var(--acento-linea);
  border-radius: var(--radio);
  background: var(--acento-suave);
}

.destacado__titulo {
  font-size: 1.1rem;
  font-weight: 640;
}

.destacado__texto {
  margin-top: .5rem;
  color: #c9d5dc;
  font-size: .95rem;
  line-height: 1.7;
}

.destacado__texto p + p {
  margin-top: .6rem;
}

/* ============================================================
   Los pasos
   ============================================================ */
.pasos {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.6rem;
  margin-top: 2.2rem;
  counter-reset: paso;
}

.paso {
  counter-increment: paso;
  padding-top: 1.1rem;
  border-top: 1px solid var(--linea);
}

.paso__numero {
  color: var(--acento);
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .08em;
}

.paso__titulo {
  margin-top: .65rem;
  font-size: 1.05rem;
  font-weight: 620;
}

.paso__texto {
  margin-top: .45rem;
  color: var(--suave);
  font-size: .92rem;
  line-height: 1.6;
}

/* ============================================================
   Los ejemplos
   ============================================================ */
.ejemplos {
  display: grid;
  gap: 1.2rem;
  margin-top: 2.2rem;
}

.ejemplo {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
  padding: 1.6rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: linear-gradient(180deg, var(--fondo-3), var(--fondo-2));
}

.ejemplo__rotulo {
  color: var(--acento);
  font-family: var(--mono);
  font-size: .74rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.ejemplo__titulo {
  margin-top: .6rem;
  font-size: 1.22rem;
  font-weight: 640;
  line-height: 1.28;
}

.ejemplo__texto {
  margin-top: .6rem;
  color: var(--suave);
  font-size: .93rem;
  line-height: 1.6;
}

.ejemplo__pedido {
  margin: 1.1rem 0 0;
  padding: .85rem 1rem;
  border-left: 2px solid var(--acento-2);
  border-radius: 0 var(--radio-chico) var(--radio-chico) 0;
  background: rgba(122, 162, 255, .07);
  color: #d3dcec;
  font-size: .93rem;
  line-height: 1.6;
}

.ejemplo__carga,
.ejemplo__entrega {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem;
  margin-top: 1rem;
}

.ejemplo__carga li,
.ejemplo__entrega li {
  padding: .25rem .55rem;
  border: 1px solid var(--linea);
  border-radius: 6px;
  color: var(--suave);
  font-family: var(--mono);
  font-size: .74rem;
}

.ejemplo__entrega li {
  border-color: var(--acento-linea);
  color: var(--acento);
}

.respuesta {
  padding: 1.2rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: var(--fondo-2);
}

.respuesta__rotulo {
  color: var(--tenue);
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.respuesta__conclusion {
  margin-top: .6rem;
  color: var(--texto);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.45;
}

.respuesta__lista {
  display: grid;
  gap: .6rem;
  margin-top: 1rem;
}

.respuesta__lista li {
  position: relative;
  padding-inline-start: 1.1rem;
  color: var(--suave);
  font-size: .9rem;
  line-height: 1.6;
}

.respuesta__lista li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: .38rem;
  height: .38rem;
  border-radius: 50%;
  background: var(--acento);
}

.respuesta__tabla {
  width: 100%;
  margin-top: 1rem;
  border-collapse: collapse;
  font-size: .85rem;
}

.respuesta__tabla th,
.respuesta__tabla td {
  padding: .45rem .6rem;
  border: 1px solid var(--linea);
  text-align: left;
}

.respuesta__tabla th {
  background: var(--fondo-3);
  color: var(--suave);
  font-weight: 600;
}

.respuesta__tabla td {
  color: var(--suave);
  font-family: var(--mono);
  font-size: .82rem;
}

.respuesta__fuentes {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  margin-top: 1rem;
}

.respuesta__fuentes li {
  padding: .2rem .45rem;
  border: 1px solid var(--linea);
  border-radius: 5px;
  color: var(--tenue);
  font-family: var(--mono);
  font-size: .7rem;
}

.respuesta__aviso {
  margin-top: 1rem;
  padding-top: .9rem;
  border-top: 1px solid var(--linea);
  color: var(--tenue);
  font-size: .85rem;
  line-height: 1.6;
}

/* ---------- La anatomia ---------- */
.anatomia {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: 1.4rem;
  margin-top: 2.2rem;
}

.anatomia__item {
  padding-top: 1rem;
  border-top: 1px solid var(--linea);
}

.anatomia__titulo {
  font-size: .98rem;
  font-weight: 620;
}

.anatomia__texto {
  margin-top: .4rem;
  color: var(--suave);
  font-size: .9rem;
  line-height: 1.6;
}

/* ============================================================
   La pagina de error
   ============================================================ */
.pagina__cabecera {
  max-width: 46rem;
  padding: 3rem 0 1rem;
}

.pagina__titulo {
  margin-top: .8rem;
  font-size: clamp(2rem, 1.3rem + 2.6vw, 3rem);
  font-weight: 680;
}

.pagina__bajada {
  margin-top: .9rem;
  color: var(--suave);
  font-size: 1.05rem;
}

/* ============================================================
   El pie
   ============================================================ */
.pie {
  margin-top: 3rem;
  padding: 3rem 0 2.5rem;
  border-top: 1px solid var(--linea);
  background: var(--fondo-2);
}

.pie__fila {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1.5rem;
}

.pie__marca {
  display: flex;
  align-items: center;
  gap: .7rem;
}

.pie__marca .marca__icono {
  width: 24px;
  height: 24px;
}

.pie__nombre {
  font-weight: 700;
}

.pie__bajada {
  color: var(--tenue);
  font-size: .85rem;
}

.pie__enlaces {
  display: flex;
  flex-wrap: wrap;
  gap: 1.2rem;
}

.pie__enlaces a {
  color: var(--suave);
  font-size: .9rem;
}

.pie__enlaces a:hover {
  color: var(--texto);
}

.pie__notas {
  display: grid;
  gap: .6rem;
  margin-top: 2.2rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--linea);
  color: var(--tenue);
  font-size: .84rem;
  line-height: 1.6;
}

.pie__notas strong {
  color: var(--suave);
}

.pie__copy {
  color: #4c5862;
  font-family: var(--mono);
  font-size: .78rem;
}

/* ============================================================
   El responsive
   ============================================================ */
@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .cab .fila {
    gap: 1rem;
  }

  .cab__entrar {
    margin-left: auto;
  }

  .bento {
    grid-template-columns: repeat(2, 1fr);
  }

  .celda--ancha {
    grid-column: span 2;
  }

  .ejemplo {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .marco {
    padding: 0 18px;
  }

  .hero {
    padding: 3rem 0 2.6rem;
  }

  .bento {
    grid-template-columns: 1fr;
  }

  .celda--ancha {
    grid-column: span 1;
  }

  .bloque {
    padding: 2.8rem 0;
  }

  .prompt,
  .prompt--bot {
    max-width: 100%;
  }

  .pie__fila {
    flex-direction: column;
  }
}