/* ==========================================================================
   Blog — Estilos del blog UHM (índice de entradas y artículos)
   Se carga sólo en las páginas blog.html y blog-*.html
   ========================================================================== */

/* --------------------------------------------------------------------------
   Barra de filtros del índice
   -------------------------------------------------------------------------- */

.blog-barra {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: clamp(1.75rem, 3vw, 2.5rem);
}

.blog-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.blog-chip {
  appearance: none;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--ff-texto);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--linea-fuerte);
  border-radius: var(--r-capsula);
  background: transparent;
  color: var(--texto-medio);
  cursor: pointer;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.blog-chip:hover {
  border-color: var(--rojo);
  color: var(--rojo);
}

.blog-chip[aria-pressed="true"] {
  background: var(--tinta);
  border-color: var(--tinta);
  color: var(--texto-invertido);
}

.blog-orden {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto-medio);
}

.blog-orden select {
  font-family: var(--ff-texto);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.45rem 2rem 0.45rem 0.85rem;
  border: 1px solid var(--linea-fuerte);
  border-radius: var(--r-capsula);
  background: var(--blanco);
  color: var(--texto);
  cursor: pointer;
}

.blog-orden select:focus {
  outline: none;
  border-color: var(--rojo);
}

.blog-contador {
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--texto-medio);
  flex: 1 1 100%;
}

/* --------------------------------------------------------------------------
   Rejilla de entradas
   -------------------------------------------------------------------------- */

.blog-rejilla {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 2.5vw, 1.75rem);
}

@media (min-width: 700px) {
  .blog-rejilla {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .blog-rejilla {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.blog-rejilla--1 {
  grid-template-columns: 1fr;
}

.blog-rejilla--1 .blog-card {
  max-width: 720px;
}

.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--r-card);
  transition: transform 0.5s var(--ease), border-color 0.4s ease,
    box-shadow 0.5s var(--ease);
}

.blog-card:hover {
  transform: translateY(-5px);
  border-color: var(--linea-fuerte);
  box-shadow: 0 30px 60px -50px rgba(23, 18, 15, 0.65);
}

.blog-card__media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--tinta);
}

.blog-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease);
}

.blog-card:hover .blog-card__media img,
.blog-card:focus-within .blog-card__media img {
  transform: scale(1.045);
}

.blog-card__cuerpo {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  box-sizing: border-box;
}

.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.85rem;
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

.blog-card__tag {
  color: var(--rojo);
}

.blog-card__titulo {
  font-family: var(--ff-display);
  font-size: clamp(1.25rem, 1.15rem + 0.6vw, 1.6rem);
  line-height: 1.22;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.blog-card__titulo a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-card__titulo a:hover,
.blog-card__titulo a:focus-visible {
  color: var(--rojo);
}

.blog-card__texto {
  font-size: var(--fs-small);
  line-height: 1.65;
  color: var(--texto-medio);
}

.blog-card__enlace {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: auto;
  padding-top: 0.6rem;
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--rojo);
  text-decoration: none;
  border-bottom: 1px solid rgba(173, 21, 25, 0.3);
  align-self: flex-start;
  transition: border-color 0.3s ease, color 0.3s ease;
}

.blog-card__enlace svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s var(--ease);
}

.blog-card__enlace:hover,
.blog-card__enlace:focus-visible {
  border-color: var(--rojo);
}

.blog-card__enlace:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Paginación del índice
   -------------------------------------------------------------------------- */

.blog-paginacion {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: clamp(2.25rem, 4vw, 3rem);
  padding-top: clamp(1.25rem, 2.5vw, 1.75rem);
  border-top: 1px solid var(--linea);
}

.paginador {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.6rem 1.1rem;
  border: 1px solid var(--linea-fuerte);
  border-radius: var(--r-capsula);
  color: var(--texto);
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

.paginador svg {
  width: 13px;
  height: 13px;
}

.paginador:not([disabled]):hover {
  background: var(--rojo);
  border-color: var(--rojo);
  color: #fff;
}

.paginador[disabled],
.paginador[aria-disabled="true"] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.paginador--pagina {
  border-color: transparent;
  cursor: default;
}

/* --------------------------------------------------------------------------
   Artículo: cabecera + texto
   -------------------------------------------------------------------------- */

.articulo {
  font-size: var(--fs-body);
}

.articulo p {
  line-height: 1.78;
  color: var(--texto);
  margin: 0;
}

.articulo p + p {
  margin-top: 1.1rem;
}

.articulo strong {
  font-weight: 700;
  color: var(--tinta);
}

.articulo em {
  font-family: var(--ff-display);
  font-style: italic;
}

.articulo a {
  color: var(--rojo);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(173, 21, 25, 0.35);
  transition: text-decoration-color 0.3s ease;
}

.articulo a:hover {
  text-decoration-color: var(--rojo);
}

/* Las cápsulas no deben heredar el color/subrayado de los enlaces del artículo */
.articulo .capsula {
  color: var(--capsula-fg);
  text-decoration: none;
}

.articulo .capsula:hover {
  color: var(--capsula-hover-fg, #fff);
}

.articulo__cab p {
  margin: 0;
}

.articulo h2 {
  font-family: var(--ff-display);
  font-size: var(--fs-2);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
}

.articulo h3 {
  font-family: var(--ff-display);
  font-size: var(--fs-3);
  line-height: 1.2;
  letter-spacing: -0.015em;
  margin: 0;
}

.articulo__cab {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-bottom: clamp(1.25rem, 2.5vw, 1.75rem);
  padding-bottom: clamp(1rem, 2vw, 1.5rem);
  border-bottom: 1px solid var(--linea);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.articulo__cab--pie {
  border-bottom: 0;
  padding: 0;
  margin-top: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 0;
}

.articulo__num {
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rojo);
  font-variant-numeric: tabular-nums;
}

.articulo__lead {
  font-size: var(--fs-lead);
  line-height: 1.65;
  color: var(--texto);
}

.articulo__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.4rem;
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

.articulo__meta .blog-card__tag {
  color: var(--oro);
}

.articulo__lista {
  list-style: none;
  display: grid;
  gap: 0.7rem;
  margin: clamp(1.25rem, 2.5vw, 1.75rem) 0;
  padding: 0;
}

.articulo__lista li {
  position: relative;
  padding-left: 1.5rem;
  line-height: 1.7;
  color: var(--texto);
}

.articulo__lista li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 11px;
  height: 2px;
  background: var(--oro);
  border-radius: 2px;
}

/* --------------------------------------------------------------------------
   Artículo: layout de dos columnas con índice sticky (estilo de referencia)
   -------------------------------------------------------------------------- */

.blog-articulo__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}

.blog-articulo__main {
  min-width: 0;
}

.blog-articulo__indice {
  display: none;
}

@media (min-width: 1024px) {
  .blog-articulo__grid {
    grid-template-columns: minmax(0, 1fr) 250px;
  }

  .blog-articulo__main {
    max-width: 780px;
  }

  .blog-articulo__indice {
    display: block;
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }

  .indice-movil {
    display: none;
  }
}

.articulo__bloque {
  padding-top: clamp(2.25rem, 4vw, 3.5rem);
  margin-top: clamp(2.25rem, 4vw, 3.5rem);
  border-top: 1px solid var(--linea);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

/* Índice lateral */
.indice-articulo__titulo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rojo);
}

.indice-articulo ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--linea-fuerte);
}

.indice-articulo a {
  display: block;
  padding: 0.5rem 0 0.5rem 1.1rem;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: var(--fs-small);
  line-height: 1.45;
  color: var(--texto-medio);
  text-decoration: none;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.indice-articulo a:hover {
  color: var(--rojo);
  border-color: rgba(173, 21, 25, 0.45);
}

.indice-articulo a.activo {
  color: var(--rojo);
  border-color: var(--rojo);
  font-weight: 600;
}

/* Índice móvil (acordeón colapsable) */
.indice-movil {
  position: sticky;
  top: calc(var(--header-h) + 16px);
  z-index: 15;
  margin-bottom: clamp(1.75rem, 3vw, 2.25rem);
  border: 1px solid var(--linea);
  border-left: 3px solid var(--rojo);
  background: var(--blanco);
  border-radius: 10px;
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.indice-movil summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  list-style: none;
  cursor: pointer;
  padding: 0.9rem 1.15rem;
}

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

.indice-movil__icono {
  position: relative;
  flex: none;
  width: 24px;
  height: 24px;
  border: 1px solid var(--linea-fuerte);
  border-radius: 50%;
  transition: transform 0.3s var(--ease), border-color 0.3s ease;
}

.indice-movil__icono::before,
.indice-movil__icono::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--rojo);
  transform: translate(-50%, -50%);
}

.indice-movil__icono::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.indice-movil[open] .indice-movil__icono {
  transform: rotate(45deg);
  border-color: var(--rojo);
}

.indice-movil .indice-articulo ol {
  border-left: 0;
}

.indice-movil .indice-articulo {
  padding: 0.25rem 1.15rem 1rem;
  border-top: 1px solid var(--linea);
}

/* Bloque de cifras ("Datos clave") */
.cifras {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--linea);
  border: 1px solid var(--linea);
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
}

@media (min-width: 640px) {
  .cifras {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .cifras {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.cifra {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  background: var(--blanco);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
}

.cifra__valor {
  display: flex;
  align-items: baseline;
  gap: 0.15em;
  font-family: var(--ff-display);
  font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--rojo);
  text-wrap: nowrap;
}

.cifra__valor small {
  font-size: 0.42em;
  font-weight: 500;
}

.cifra__rotulo {
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--tinta);
}

.cifra__texto {
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--texto-medio);
}

.cifras__pie {
  grid-column: 1 / -1;
  background: var(--tinta);
  color: var(--texto-invertido-medio);
  font-size: var(--fs-mini);
  line-height: 1.7;
  padding: 0.85rem 1.25rem;
}

.seccion--oscura .cifras {
  border-color: var(--linea-oscura-fuerte);
  background: var(--linea-oscura-fuerte);
}

.seccion--oscura .cifra {
  background: rgba(246, 241, 233, 0.05);
}

.seccion--oscura .cifra__valor {
  color: var(--oro);
}

.seccion--oscura .cifra__rotulo {
  color: var(--texto-invertido);
}

.seccion--oscura .cifra__texto {
  color: var(--texto-invertido-medio);
}

.seccion--oscura .cifras__pie {
  background: rgba(246, 241, 233, 0.08);
  color: var(--texto-invertido-medio);
}

/* Modelos (infografía numerada) */
.modelos {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}

@media (min-width: 720px) {
  .modelos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.modelo {
  position: relative;
  isolation: isolate;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  overflow: hidden;
  padding: clamp(1.4rem, 2.5vw, 1.9rem);
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: 14px;
}

.modelo::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: -2.5rem;
  right: -2.5rem;
  width: 10rem;
  height: 10rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rojo), var(--oro));
  opacity: 0.1;
  pointer-events: none;
}

.modelo:hover::before {
  opacity: 0.18;
}

.modelo__num {
  font-family: var(--ff-display);
  font-size: clamp(2.2rem, 4vw, 3rem);
  line-height: 1;
  color: var(--rojo);
  font-variant-numeric: tabular-nums;
}

.modelo__titulo {
  font-family: var(--ff-display);
  font-size: clamp(1.2rem, 2vw, 1.45rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin: 0;
}

.modelo__subtitulo {
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--texto-suave);
}

.modelo ul {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.modelo ul li {
  position: relative;
  padding-left: 1.25rem;
  font-size: var(--fs-small);
  line-height: 1.6;
  color: var(--texto-medio);
}

.modelo ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 9px;
  height: 1px;
  background: var(--rojo);
}

.modelo__pie {
  margin-top: auto;
  padding-top: 0.9rem;
  font-size: var(--fs-mini);
  line-height: 1.6;
  color: var(--texto-suave);
}

.modelos__pie {
  margin-top: 1rem;
  font-size: var(--fs-mini);
  line-height: 1.7;
  color: var(--texto-suave);
}

/* Pie de la lista de países */
.filas__pie {
  margin-top: 1.25rem;
  font-size: var(--fs-mini);
  line-height: 1.7;
  color: var(--texto-suave);
}

.seccion--oscura .filas__pie {
  color: var(--texto-invertido-medio);
}

.fila__num strong {
  font-weight: 600;
}

/* Recuadro índice (resumen al final del artículo) */
.toc-caja {
  border: 1px solid var(--linea);
  border-left: 3px solid var(--rojo);
  background: var(--blanco);
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
}

.toc-caja__titulo {
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rojo);
}

.toc-caja ol {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem 1.5rem;
}

@media (min-width: 720px) {
  .toc-caja ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.toc-caja a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  font-size: var(--fs-small);
  color: var(--texto);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.3s ease, border-color 0.3s ease;
}

.toc-caja a::before {
  content: "→";
  color: var(--rojo);
  font-size: 0.8em;
}

.toc-caja a:hover {
  color: var(--rojo);
  border-color: rgba(173, 21, 25, 0.35);
}

/* --------------------------------------------------------------------------
   FAQ (acordeón nativo con <details name>)
   -------------------------------------------------------------------------- */

.faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3vw, 2rem);
  align-items: start;
}

@media (min-width: 900px) {
  .faq {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }
}

.faq__intro {
  max-width: 46ch;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq__titulo {
  font-family: var(--ff-display);
  font-size: var(--fs-2);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0;
  color: var(--texto-invertido);
}

.faq__intro p {
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--texto-invertido-medio);
  margin: 0;
}

.faq__lista {
  border-top: 1px solid var(--linea-oscura-fuerte);
}

.faq__item {
  border-bottom: 1px solid var(--linea-oscura-fuerte);
}

.faq__item summary {
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 1.25rem);
  list-style: none;
  cursor: pointer;
  padding: clamp(0.95rem, 2vw, 1.15rem) 0;
  transition: color 0.3s ease;
}

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

.faq__item summary:hover .faq__pregunta {
  color: var(--oro);
}

.faq__num {
  font-size: var(--fs-mini);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
  color: var(--oro);
}

.faq__pregunta {
  flex: 1;
  font-family: var(--ff-display);
  font-size: clamp(1.05rem, 1.6vw, 1.3rem);
  line-height: 1.3;
  color: var(--texto-invertido);
  transition: color 0.3s ease;
}

.faq__icono {
  position: relative;
  flex: none;
  width: 26px;
  height: 26px;
  border: 1px solid var(--linea-oscura-fuerte);
  border-radius: 50%;
  transition: transform 0.35s var(--ease), border-color 0.3s ease;
}

.faq__icono::before,
.faq__icono::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 1.5px;
  background: var(--oro);
  transform: translate(-50%, -50%);
}

.faq__icono::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.faq__item[open] .faq__icono {
  transform: rotate(45deg);
  border-color: var(--oro);
}

.faq__respuesta {
  padding: 0 0 clamp(1rem, 2vw, 1.4rem) clamp(2.1rem, 4vw, 3.1rem);
}

.faq__respuesta p {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--texto-invertido-medio);
}

.faq__respuesta a {
  color: var(--oro);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(250, 189, 0, 0.4);
}

.faq__respuesta a:hover {
  text-decoration-color: var(--oro);
}

/* --------------------------------------------------------------------------
   Ajustes de la portada del blog dentro del artículo
   -------------------------------------------------------------------------- */

.blog-cab .portada__pie span {
  display: inline-flex;
  align-items: center;
}

.blog-portada-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.4rem;
  font-size: var(--fs-mini);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(246, 241, 233, 0.72);
  text-decoration: none;
  transition: color 0.3s ease;
}

.blog-portada-back svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s var(--ease);
}

.blog-portada-back:hover {
  color: var(--oro);
}

.blog-portada-back:hover svg {
  transform: translateX(-4px);
}