@font-face {
  font-family: "IM Fell DW Pica";
  src: url("assets/fonts/im-fell-dw-pica-regular.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "IM Fell DW Pica";
  src: url("assets/fonts/im-fell-dw-pica-italic.woff2") format("woff2");
  font-style: italic;
  font-weight: 400;
  font-display: swap;
}

:root {
  --papel: #fbf2e5;
  --tinta: #121212;
  --granate: #441a16;
  --oliva: #4f473a;
  --serif: "IM Fell English", Georgia, serif;
  --texto: "IM Fell DW Pica", Georgia, serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--texto);
  font-size: 19px;
  line-height: 1.65;
}

h1, h2, h3, p, figure, ul, ol, dl, dd {
  margin: 0;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 400;
  line-height: 1.1;
}

h1 {
  font-size: clamp(44px, 8vw, 104px);
  letter-spacing: -.02em;
}

h2 {
  max-width: 1000px;
  margin-bottom: 28px;
  font-size: clamp(34px, 5vw, 66px);
}

h3 {
  margin-bottom: 16px;
  font-size: 30px;
}

p + p {
  margin-top: 20px;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-underline-offset: 5px;
}

a:hover {
  text-decoration-thickness: 2px;
}

:focus-visible {
  outline: 3px solid currentColor;
  outline-offset: 5px;
}

.saltar-contenido {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 1;
  padding: 12px 20px;
  transform: translateY(-200%);
  background: var(--papel);
  color: var(--tinta);
}

.saltar-contenido:focus {
  transform: none;
}

.contenedor {
  width: calc(100% - 48px);
  max-width: 1100px;
  margin-inline: auto;
}

.seccion {
  padding-block: clamp(56px, 7vw, 96px);
}

.recorte {
  position: relative;
  margin-top: -20px;

  /* Compensa el solapamiento sin acercar el contenido al borde. */
  padding-top: calc(clamp(56px, 7vw, 96px) + 20px);

  clip-path: polygon(
    0% 12px,
    5% 18px,
    11% 7px,
    17% 15px,
    24% 5px,
    31% 17px,
    39% 8px,
    46% 14px,
    54% 4px,
    62% 16px,
    69% 9px,
    77% 18px,
    85% 6px,
    93% 15px,
    100% 8px,
    100% 100%,
    0% 100%
  );
}

.papel {
  background-color: var(--papel);

  background-image:
    radial-gradient(
      circle,
      rgba(79, 71, 58, 0.08) 0.35px,
      transparent 0.73px
    ),
    radial-gradient(
      circle,
      rgba(79, 71, 58, 0.048) 0.35px,
      transparent 0.8px
    );

  background-size: 2.5px 3.5px, 4.3px 5.7px;
  background-position: 0 0, 1.3px 2.1px;
}

.oscuro {
  background: var(--tinta);
  color: var(--papel);
}

.etiqueta, .marca {
  font-family: "IM Fell English SC", Georgia, serif;
  font-size: 18px;
  letter-spacing: .1em;
}

.etiqueta {
  margin-bottom: 14px;
}

.cabecera .contenedor, .pie .contenedor {
  max-width: 1220px;

  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
}

.cabecera {
  padding-block: 22px;
  border-bottom: 1px solid #4f473a;
}

.cabecera a {
  padding-block: 8px;
  font-style: italic;
}

.marca span {
  color: #d9cfbf;
  letter-spacing: .03em;
}

.rostros {
  width: 640px;
  margin-block: 28px;
}

.hero-bajada {
  max-width: 950px;
  font-family: var(--serif);
  font-size: clamp(32px, 4.8vw, 62px);
  font-style: italic;
  line-height: 1.12;
}

.introduccion {
  max-width: 740px;
  font-size: 21px;
}

.acciones {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px 32px;
  margin-block: 32px 48px;
}

.acciones > a:not(.boton) {
  padding-block: 10px;
  font-style: italic;
}

.boton {
  display: inline-block;
  max-width: 100%;
  padding: 15px 30px;
  border: 1px solid var(--granate);
  background-color: var(--granate);
  color: var(--papel);
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.3;
  text-align: center;
  text-decoration: none;
}

.oscuro .boton {
  border-color: var(--papel);
  background-color: var(--papel);
  color: var(--tinta);
}

/* El contorno del boton contrasta con la seccion que lo rodea. */
.oscuro .boton:focus-visible {
  outline-color: var(--papel);
}

.boton:focus-visible {
  outline-color: var(--granate);
}

.boton:hover {
  text-decoration: underline;
}

.cifras {
  display: flex;
  flex-wrap: wrap;
  gap: 24px 64px;
  padding-top: 24px;
  border-top: 1px solid var(--oliva);
}

.cifras > div {
  display: flex;
  flex-direction: column-reverse;
}

.cifras dt {
  font-size: 17px;
}

.cifras dd {
  font-family: var(--serif);
  font-size: 68px;
  font-style: italic;
  line-height: 1.2;
}

.cinta {
  overflow: hidden;
  padding-block: 20px;
  background: var(--granate);
  color: var(--papel);
  font-family: "IM Fell English SC", Georgia, serif;
  font-size: 21px;
  letter-spacing: .06em;
}

.cinta-pista {
  display: flex;
  width: max-content;
  animation: marquesina 42s linear infinite;
}

.cinta-grupo {
  display: flex;
  flex-shrink: 0;
  align-items: center;
  justify-content: space-around;
  min-width: 100vw;
  gap: 24px;
  padding-right: 24px;
}

.cinta-grupo span {
  display: flex;
  align-items: center;
  gap: 24px;
  white-space: nowrap;
}

.cinta-grupo span::after {
  content: "";
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  background: currentColor;
  transform: rotate(45deg);
}

.cinta:hover .cinta-pista {
  animation-play-state: paused;
}

@keyframes marquesina {
  from {
    transform: translateX(0);
  }

  to {
    transform: translateX(-50%);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cinta-pista {
    width: auto;
    animation: none;
  }

  .cinta-grupo {
    width: 100%;
    min-width: 0;
    padding-inline: 24px;
  }

  .cinta [aria-hidden="true"] {
    display: none;
  }

  .cinta-grupo span {
    white-space: normal;
  }
}

.dos-columnas {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 36px 56px;
}

.situaciones {
  margin-block: 40px;
  padding-left: 28px;
  list-style-type: lower-roman;
}

.situaciones li {
  padding: 16px 0 0 8px;
  border-top: 1px solid var(--oliva);
}

.situaciones li::marker {
  color: var(--granate);
  font-family: var(--serif);
  font-size: 26px;
}

.nota {
  max-width: 800px;
  color: var(--granate);
  font-size: 22px;
  font-style: italic;
}

.etapas {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 32px;
  margin-block: 40px 56px;
}

.etapas > div, .lectura, .redaccion, .certificado {
  padding-top: 24px;
  border-top: 1px solid currentColor;
}

.etapas p {
  font-size: 17px;
}

.lectura p, .cronologia span {
  color: #d9cfbf;
}

.lectura > div + div {
  margin-top: 32px;
}

.sinopsis {
  max-width: 660px;
  margin-top: 28px;
}

.sinopsis-columnas {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(10px, 2vw, 28px);
}

.sinopsis-columnas p {
  margin-bottom: 20px;
  font-family: var(--serif);
  font-size: clamp(14px, 2vw, 20px);
}

.sinopsis-columnas span {
  display: block;
  height: 12px;
  margin-bottom: 16px;
  border-radius: 999px;
  background: rgba(251, 242, 229, 0.2);
}

.sinopsis-columnas span:nth-of-type(even) {
  width: 75%;
}

/* Colores compartidos por las barras y la leyenda. */
.sinopsis .coincide {
  background: var(--papel);
}

.sinopsis .propio {
  background: #d9a58f;
}

.sinopsis-leyenda {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: 20px;
  color: #d9cfbf;
  font-size: 14px;
  line-height: 1.5;
}

.sinopsis-leyenda span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.sinopsis-leyenda i {
  width: 10px;
  height: 10px;
  flex-shrink: 0;
  border-radius: 2px;
}

/* Solo se animan las barras, nunca la leyenda. */
@media (prefers-reduced-motion: no-preference) {
  .sinopsis-columnas .coincide,
  .sinopsis-columnas .propio {
    animation: sinopsis-paso-1 10s linear infinite;
  }

  .sinopsis-columnas .paso-2 {
    animation-name: sinopsis-paso-2;
  }

  .sinopsis-columnas .paso-3 {
    animation-name: sinopsis-paso-3;
  }

  .sinopsis-columnas .propio {
    animation-name: sinopsis-paso-4;
  }
}

@keyframes sinopsis-paso-1 {
  0%, 8%, 94%, 100% {
    background-color: rgba(251, 242, 229, 0.2);
  }

  14%, 86% {
    background-color: var(--papel);
  }
}

@keyframes sinopsis-paso-2 {
  0%, 24%, 94%, 100% {
    background-color: rgba(251, 242, 229, 0.2);
  }

  30%, 86% {
    background-color: var(--papel);
  }
}

@keyframes sinopsis-paso-3 {
  0%, 40%, 94%, 100% {
    background-color: rgba(251, 242, 229, 0.2);
  }

  46%, 86% {
    background-color: var(--papel);
  }
}

@keyframes sinopsis-paso-4 {
  0%, 56%, 94%, 100% {
    background-color: rgba(251, 242, 229, 0.2);
  }

  62%, 86% {
    background-color: #d9a58f;
  }
}

.redaccion {
  margin-top: 56px;
}

.cronologia-animada {
  position: relative;
  margin-top: 36px;
  padding-top: 100px;
}

/* Une los centros de la primera y la cuarta columna. */
.cronologia-riel {
  position: absolute;
  top: 134px;
  left: 12.5%;
  width: 75%;
  height: 2px;
  background: var(--oliva);
}

.cronologia-avance {
  position: relative;
  width: 100%;
  height: 100%;
  background: #d9a58f;
}

/* La imagen queda centrada sobre el extremo del progreso. */
.cronologia-jesus {
  position: absolute;
  right: 0;
  bottom: 22px;
  width: auto;
  max-width: none;
  height: 80px;
  transform: translateX(50%);
}

.cronologia {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 0;
  padding: 0;
  list-style: none;
  text-align: center;
}

.cronologia li {
  --fondo-etapa: var(--papel);
  --color-numero: var(--tinta);
  --opacidad-texto: 1;

  padding-top: 16px;
}

.cronologia strong, .cronologia span {
  display: block;
}

.cronologia strong {
  font-family: var(--serif);
  font-size: clamp(18px, 2.6vw, 28px);
  font-weight: 400;
}

.cronologia span {
  font-size: clamp(13px, 1.8vw, 19px);
}

.cronologia .cronologia-numero {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin: 0 auto 12px;
  border: 1px solid #d9cfbf;
  border-radius: 50%;
  background: var(--fondo-etapa);
  color: var(--color-numero);
  font-family: var(--serif);
  font-size: 20px;
  line-height: 1;
}

.cronologia strong,
.cronologia li > span:not(.cronologia-numero) {
  opacity: var(--opacidad-texto);
}

@media (prefers-reduced-motion: no-preference) {
  .cronologia-avance {
    animation: recorrer-cronologia 10s linear infinite;
  }

  .cronologia li {
    animation: encender-etapa-1 10s steps(1, end) infinite;
  }

  .cronologia li:nth-child(2) {
    animation-name: encender-etapa-2;
  }

  .cronologia li:nth-child(3) {
    animation-name: encender-etapa-3;
  }

  .cronologia li:nth-child(4) {
    animation-name: encender-etapa-4;
  }
}

@keyframes recorrer-cronologia {
  0%, 20% {
    width: 0%;
    opacity: 1;
  }

  28%, 45% {
    width: 33.333%;
    opacity: 1;
  }

  53%, 70% {
    width: 66.667%;
    opacity: 1;
  }

  78%, 92% {
    width: 100%;
    opacity: 1;
  }

  100% {
    width: 100%;
    opacity: 0;
  }
}

@keyframes encender-etapa-1 {
  0%, 100% {
    --fondo-etapa: var(--tinta);
    --color-numero: var(--papel);
    --opacidad-texto: 0.6;
  }

  5%, 92% {
    --fondo-etapa: var(--papel);
    --color-numero: var(--tinta);
    --opacidad-texto: 1;
  }
}

@keyframes encender-etapa-2 {
  0%, 100% {
    --fondo-etapa: var(--tinta);
    --color-numero: var(--papel);
    --opacidad-texto: 0.6;
  }

  28%, 92% {
    --fondo-etapa: var(--papel);
    --color-numero: var(--tinta);
    --opacidad-texto: 1;
  }
}

@keyframes encender-etapa-3 {
  0%, 100% {
    --fondo-etapa: var(--tinta);
    --color-numero: var(--papel);
    --opacidad-texto: 0.6;
  }

  53%, 92% {
    --fondo-etapa: var(--papel);
    --color-numero: var(--tinta);
    --opacidad-texto: 1;
  }
}

@keyframes encender-etapa-4 {
  0%, 100% {
    --fondo-etapa: var(--tinta);
    --color-numero: var(--papel);
    --opacidad-texto: 0.6;
  }

  78%, 92% {
    --fondo-etapa: var(--papel);
    --color-numero: var(--tinta);
    --opacidad-texto: 1;
  }
}

#programa {
  scroll-margin-top: 24px;
}

.modulos, .preguntas {
  margin-top: 36px;
  border-bottom: 1px solid var(--oliva);
}

details {
  border-top: 1px solid var(--oliva);
}

summary {
  padding: 24px 4px;
  cursor: pointer;
  font-family: var(--serif);
  font-size: 27px;
  line-height: 1.25;
}

summary::marker {
  color: var(--granate);
}

.modulos summary {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  align-items: center;
  gap: 20px;
  list-style: none;
}

.modulos summary::-webkit-details-marker {
  display: none;
}

.modulo-numero {
  color: var(--granate);
  font-size: 46px;
  font-style: italic;
}

.modulo-titulo small {
  display: block;
  margin-top: 6px;
  color: var(--oliva);
  font-family: var(--texto);
  font-size: 16px;
  font-style: italic;
  line-height: 1.5;
}

.modulo-meta {
  color: var(--oliva);
  font-family: var(--texto);
  font-size: 15px;
  text-align: right;
}

.modulo-meta::after {
  content: " +";
  color: var(--granate);
  font-size: 24px;
}

details[open] .modulo-meta::after {
  content: " -";
}

.clases {
  padding: 0 4px 16px 62px;
  list-style: none;
}

.clases li {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 16px;
  padding-block: 8px;
  font-size: 17px;
  line-height: 1.5;
}

.clases span {
  color: var(--oliva);
  font-style: italic;
  font-variant-numeric: tabular-nums;
}

.descargable {
  padding: 0 4px 24px 62px;
  color: var(--granate);
  font-size: 17px;
  font-style: italic;
}

.enfoque {
  background: var(--oliva);
  color: var(--papel);
}

.enfoque .dos-columnas > div {
  padding-top: 24px;
  border-top: 1px solid currentColor;
}

.enfoque ul {
  padding-left: 24px;
}

.enfoque li + li {
  margin-top: 16px;
}

.ejemplo {
  align-self: center;
  padding: 28px;
  border: 1px solid var(--oliva);
}

.ejemplo > p {
  font-family: var(--serif);
  font-size: 28px;
  line-height: 1.3;
}

.ejemplo ol {
  margin-top: 20px;
  padding-left: 28px;
}

.ejemplo li {
  padding-block: 10px;
  border-bottom: 1px solid #d9cfbf;
}

.ejemplo .resultado-ejemplo {
  margin-top: 20px;
  color: var(--granate);
  font-family: var(--serif);
  font-size: 15px;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ejemplo .opcion-correcta {
  position: relative;
  padding-right: 56px;
}

.respuesta-marcada {
  position: relative;
  display: inline-block;
}

.marca-circulo {
  position: absolute;
  top: -8px;
  left: -12px;
  width: calc(100% + 24px);
  height: calc(100% + 16px);
  pointer-events: none;
}

.marca-tic {
  position: absolute;
  top: 50%;
  right: 12px;
  width: 32px;
  height: 32px;
  transform: translateY(-50%);
}

.marca-circulo path,
.marca-tic path {
  fill: none;
  stroke: var(--granate);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 1;
  stroke-dashoffset: 0;
}

@media (prefers-reduced-motion: no-preference) {
  .ejemplo ol > li:nth-child(1) {
    animation: mostrar-opcion-1 8s linear infinite;
  }

  .ejemplo ol > li:nth-child(2) {
    animation: mostrar-opcion-2 8s linear infinite;
  }

  .ejemplo ol > li:nth-child(3) {
    animation: mostrar-opcion-3 8s linear infinite;
  }

  .marca-circulo path {
    animation: corregir-circulo 8s linear infinite;
  }

  .marca-tic path {
    animation: corregir-tic 8s linear infinite;
  }

  .resultado-ejemplo {
    animation: mostrar-resultado 8s linear infinite;
  }
}

@keyframes mostrar-opcion-1 {
  0%, 96%, 100% {
    opacity: 0;
  }

  8%, 88% {
    opacity: 1;
  }
}

@keyframes mostrar-opcion-2 {
  0%, 8%, 96%, 100% {
    opacity: 0;
  }

  16%, 88% {
    opacity: 1;
  }
}

@keyframes mostrar-opcion-3 {
  0%, 16%, 96%, 100% {
    opacity: 0;
  }

  24%, 88% {
    opacity: 1;
  }
}

@keyframes corregir-circulo {
  0%, 30% {
    stroke-dashoffset: 1;
    opacity: 0;
  }

  31% {
    opacity: 1;
  }

  45%, 88% {
    stroke-dashoffset: 0;
    opacity: 1;
  }

  96%, 100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

@keyframes corregir-tic {
  0%, 48% {
    stroke-dashoffset: 1;
    opacity: 0;
  }

  49% {
    opacity: 1;
  }

  60%, 88% {
    stroke-dashoffset: 0;
    opacity: 1;
  }

  96%, 100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

@keyframes mostrar-resultado {
  0%, 64%, 96%, 100% {
    opacity: 0;
  }

  72%, 88% {
    opacity: 1;
  }
}

.certificado {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin-top: 48px;
  color: var(--granate);
}

.certificado > div {
  flex: 1 1 320px;
  min-width: 0;
}

.certificado p:last-child {
  color: var(--tinta);
}

.sello {
  display: block;
  flex: 0 0 180px;
  width: 180px;
  height: 180px;
  color: var(--granate);
  transform: rotate(-8deg);
}

@media (prefers-reduced-motion: no-preference) {
  @supports (animation-timeline: view()) {
    .sello {
      animation: sellar auto ease-out both;
      animation-timeline: view();
      animation-range: entry 0% entry 80%;
    }
  }
}

@keyframes sellar {
  from {
    opacity: 0;
    transform: scale(1.1) rotate(-8deg);
  }

  to {
    opacity: 1;
    transform: scale(1) rotate(-8deg);
  }
}

.sello text {
  fill: currentColor;
  font-family: "IM Fell English SC", Georgia, serif;
  font-size: 11px;
  letter-spacing: 1px;
}

.sello textPath {
  font-size: 13px;
  font-weight: 700;
}

.sello .sello-titulo {
  font-family: "IM Fell English", "IM Fell DW Pica", Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  font-style: italic;
  letter-spacing: 0;
  stroke: currentColor;
  stroke-width: .3px;
  paint-order: stroke fill;
}

.sello .sello-microtexto {
  font-size: 6.5px;
  font-weight: 700;
  letter-spacing: 0;
}

.fuentes {
  background: var(--granate);
  color: var(--papel);
}

.fuentes h2 {
  font-size: clamp(30px, 4vw, 46px);
}

.fuentes p {
  font-size: 22px;
  font-style: italic;
  line-height: 1.8;
}

.docente {
  display: grid;
  grid-template-columns: 280px 1fr;
  align-items: center;
  gap: 48px;
}

.docente img {
  width: 280px;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  object-position: 50% 20%;
}

.incluye {
  padding-left: 24px;
}

.precio {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px 32px;
  margin-block: 32px;
  padding-top: 24px;
  border-top: 1px solid currentColor;
  font-family: var(--serif);
  font-size: clamp(56px, 8vw, 96px);
  line-height: 1.2;
}

.precio span {
  color: #d9cfbf;
  font-size: clamp(28px, 4vw, 40px);
}

.preguntas p {
  max-width: 880px;
  padding: 0 4px 24px;
}

.cierre {
  padding-top: 0;
}

.cierre .contenedor {
  padding-top: 48px;
  border-top: 1px solid var(--granate);
}

.cierre .boton {
  margin-top: 28px;
}

.pie {
  padding-block: 28px;
  font-size: 15px;
}

.pie p {
  margin: 0;
}

.pie-enlaces {
  display: flex;
  flex-wrap: wrap;
  flex-basis: 100%;
  gap: 8px 24px;
}

.pie-enlaces a {
  padding-block: 8px;
}

@media (max-width: 800px) {
  .etapas {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dos-columnas, .docente {
    grid-template-columns: 1fr;
  }

  .docente img {
    width: min(280px, 100%);
  }

  .modulos summary {
    grid-template-columns: 32px 1fr;
    gap: 12px 16px;
  }

  .modulo-meta {
    grid-column: 2;
    text-align: left;
  }

  .clases, .descargable {
    padding-left: 48px;
  }
}

@media (max-width: 480px) {
  .contenedor {
    width: calc(100% - 40px);
  }

  .marca span {
    display: block;
  }

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

  .cifras {
    gap: 24px 32px;
  }

  .etapas h3 {
    font-size: 26px;
  }

  .modulos summary {
    font-size: 24px;
  }

  .clases, .descargable {
    padding-left: 4px;
  }

  .clases li {
    grid-template-columns: 64px 1fr;
    gap: 12px;
  }
}