/* ===== Página El AutoColectivo ===== */

/* ---- Hero «Andén editorial» ---- */
.anden {
  position: relative;
  overflow: hidden;
  background: var(--bg-warm);
  border-bottom: var(--border-subtle);
  padding-block: calc(var(--header-offset) + clamp(1.5rem, 5vh, 3rem)) clamp(2.2rem, 6vh, 4rem);
}

/* Apertura unificada (ronda 12): hero + órgano oficial en una composición */
.anden-mag__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.anden__content {
  display: flex;
  flex-direction: column;
  gap: clamp(0.75rem, 2.2vh, 1.25rem);
  min-width: 0;
}

.anden__title {
  font-size: clamp(2.7rem, 8vw, 5.4rem);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: var(--leading-tight);
}

.anden__route {
  max-width: 420px;
  width: 100%;
}

.anden__media {
  position: relative;
  min-width: 0;
  justify-self: end;
  width: min(100%, 380px);
}

/* Ronda 19: un solo detalle de trazo (bajo el h1); el h2 pasa a un
   tratamiento menor sin línea, para que la jerarquía respire. */
.anden--mag .anden__title {
  font-size: clamp(2.4rem, 4.4vw, 4.1rem);
}

.anden-mag__subtitle {
  margin-top: clamp(0.9rem, 2.4vh, 1.5rem);
  font-family: var(--font-nav);
  font-size: clamp(0.88rem, 1.3vw, 1rem);
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-sky-ink);
}

.anden__content p {
  max-width: 58ch;
}

/* Ronda 19: halo REAL — multicapa radial grande, centrado y difuso
   (celeste→transparente), sin bordes perceptibles ni placas. */
.cover-glow {
  position: absolute;
  inset: -36% -42%;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(42% 38% at 50% 46%, rgba(153, 194, 224, 0.42) 0%, rgba(153, 194, 224, 0) 68%),
    radial-gradient(58% 54% at 50% 52%, rgba(204, 226, 239, 0.5) 0%, rgba(204, 226, 239, 0) 70%),
    radial-gradient(78% 72% at 50% 50%, rgba(239, 235, 224, 0.55) 0%, rgba(239, 235, 224, 0) 74%);
}

@media (prefers-reduced-motion: no-preference) {
  .cover-glow {
    animation: cover-glow-breath 9s ease-in-out infinite alternate;
  }
}

@keyframes cover-glow-breath {
  from { transform: scale(1); opacity: 0.85; }
  to { transform: scale(1.055); opacity: 1; }
}

.anden-mag__media .cover-hero {
  position: relative;
  z-index: 1;
}

/* Ronda 19: la acción integrada a la base de la tarjeta, junto al epígrafe */
.anden-mag__read {
  display: flex;
  justify-content: center;
  margin: 10px 2px 2px;
  position: relative;
  z-index: 1;
}

/* Ronda 19: sin regla superior (sumaba otra raya al apilado); el ritmo
   lo dan separadores verticales finos entre cifras. */
.mag-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: clamp(1rem, 2.6vw, 2rem);
  margin-top: clamp(1.8rem, 4vh, 2.6rem);
}

.mag-stat {
  padding-left: clamp(0.8rem, 1.6vw, 1.2rem);
  border-left: 1px solid var(--color-pearl);
}

.mag-stat:first-child {
  padding-left: 0;
  border-left: 0;
}

.mag-stat__number {
  display: block;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

.mag-stat__label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.cover-hero {
  position: relative;
  justify-self: center;
  max-width: 360px;
  width: 100%;
}

/* Ronda 19: fuera la placa celeste desplazada (leía como glow fallido);
   la tapa lleva marco blanco con sombra rica sobre el halo. */
.cover-hero figure {
  position: relative;
  margin: 0;
  background: var(--color-white);
  border: var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 14px 14px 12px;
  box-shadow:
    0 2px 6px rgba(36, 49, 58, 0.06),
    0 18px 44px rgba(36, 49, 58, 0.14),
    0 42px 90px rgba(62, 110, 149, 0.12);
  transform: rotate(-1deg);
}

.cover-hero img {
  width: 100%;
  height: auto;
  border-radius: 3px;
  border: 1px solid var(--color-dark-08);
}

.cover-hero figcaption {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  padding-top: var(--space-3);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

/* ---- Galería de ediciones ---- */
.ediciones__head {
  text-align: center;
  max-width: 52ch;
  margin-inline: auto;
  margin-bottom: clamp(2.2rem, 5vw, 3.6rem);
}

.ediciones__head .titulo-trazo {
  margin-inline: auto;
}

.ediciones__head p {
  margin-top: var(--space-4);
}

.ediciones-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(168px, 1fr));
  gap: clamp(0.9rem, 2.2vw, 1.5rem);
}

.edition-card {
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 8px;
  box-shadow: var(--shadow-sm);
}

.edition-card__zoom {
  display: block;
  cursor: zoom-in;
  border-radius: var(--radius-sm);
}

.edition-card__zoom:focus-visible {
  outline: 2px solid var(--color-dark);
  outline-offset: 3px;
}

.edition-card__frame {
  display: block;
  overflow: hidden;
  border-radius: var(--radius-sm);
  aspect-ratio: 370 / 480;
  background: var(--color-pearl);
}

.edition-card__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-normal) var(--ease-out);
}

.edition-card__zoom:hover .edition-card__frame img,
.edition-card__zoom:focus-visible .edition-card__frame img {
  transform: scale(1.03);
}

.edition-card__caption {
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  text-align: center;
  padding: var(--space-3) 0.2rem;
  font-variant-numeric: tabular-nums;
}

.edition-card__read {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: auto;
  padding: 0.5rem 0.6rem;
  border-radius: var(--radius-sm);
  background: var(--color-sky-soft);
  color: var(--color-dark);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background-color var(--duration-fast) var(--ease-out), transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out);
}

.edition-card__read svg {
  width: 14px;
  height: 14px;
  flex: none;
}

.edition-card__read:hover {
  background: var(--color-sky);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.edition-card__read:focus-visible {
  outline: 2px solid var(--color-dark);
  outline-offset: 2px;
}

/* ---- Acceso de lectura dentro del lightbox ---- */
.lightbox__read {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: var(--space-3);
  padding: 0.55rem 1.1rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.lightbox__read:hover {
  background: rgba(255, 255, 255, 0.24);
}

.lightbox__read:focus-visible {
  outline: 2px solid var(--color-white);
  outline-offset: 3px;
}

.lightbox__read svg {
  width: 15px;
  height: 15px;
  flex: none;
}

/* ---- Lector de ediciones (modal con iframe) ---- */
.reader {
  position: fixed;
  inset: 0;
  /* Ronda 16: en móvil real 100vh excede el viewport visual (barra de URL)
     y la barra de navegación quedaba bajo el chrome del navegador. */
  height: 100vh;
  height: 100svh;
  height: 100dvh;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(0px, 2vw, 24px);
  background: rgba(36, 49, 58, 0.9);
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal) var(--ease-out);
}

.reader.is-open {
  opacity: 1;
  visibility: visible;
}

.reader__dialog {
  display: flex;
  flex-direction: column;
  width: min(1080px, 100%);
  height: min(88vh, 760px);
  height: min(88svh, 760px);
  height: min(88dvh, 760px);
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.reader__bar {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-subtle);
  background: var(--color-white);
}

.reader__title {
  flex: 1;
  min-width: 0;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-lg);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-variant-numeric: tabular-nums;
}

.reader__external {
  flex: none;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--duration-fast) var(--ease-out);
}

.reader__external:hover {
  color: var(--text-primary);
}

.reader__close {
  flex: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  color: var(--color-dark);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.reader__close:hover {
  background: var(--color-sky-soft);
}

.reader__close:focus-visible {
  outline: 2px solid var(--color-dark);
  outline-offset: 2px;
}

.reader__stage {
  position: relative;
  flex: 1;
  min-height: 0;
  background: var(--color-pearl);
}

.reader__iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.reader__iframe.is-loaded {
  opacity: 1;
}

.reader__spinner {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 3px solid var(--color-white);
  border-top-color: var(--color-sky);
  animation: reader-spin 0.9s linear infinite;
}

@keyframes reader-spin {
  to { transform: rotate(360deg); }
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .anden-mag__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .anden__media {
    justify-self: center;
    width: min(100%, 300px);
  }

  .cover-hero {
    max-width: 320px;
  }
}

@media (max-width: 600px) {
  .mag-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: var(--space-4);
  }

  /* en dos columnas, el separador solo entre columnas (no al inicio de fila) */
  .mag-stat:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .ediciones-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .reader {
    padding: 0;
  }

  .reader__dialog {
    height: 100%;
    border-radius: 0;
  }

  .reader__bar {
    gap: var(--space-3);
  }
}

/* Notebooks de poca altura: el hero entra completo sin depender de vh */
@media (min-width: 900px) and (max-height: 760px) {
  .anden {
    padding-block: calc(var(--header-offset) + 0.8rem) 1.8rem;
  }

  .anden__title {
    font-size: clamp(2.3rem, 4.5vw, 3.4rem);
  }

  .anden-mag__subtitle {
    font-size: clamp(1.2rem, 2vw, 1.6rem);
    margin-top: 0.4rem;
  }

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

  .mag-stats {
    margin-top: var(--space-5);
    padding-top: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .edition-card__frame img,
  .edition-card__read {
    transition: none;
  }

  .edition-card__zoom:hover .edition-card__frame img,
  .edition-card__zoom:focus-visible .edition-card__frame img {
    transform: none;
  }

  .edition-card__read:hover {
    transform: none;
  }

  .reader__spinner {
    animation: none;
  }
}

/* ===== Fondos «Degradés puente» (ronda 7): sin costuras entre bandas ===== */
.anden {
  background: linear-gradient(180deg, var(--color-bone) 0%, var(--color-bone) 72%, #FFFFFF 100%);
  border-bottom: 0;
}

/* Ediciones desemboca sin corte en el footer tinta; el tramo oscuro
   queda en el padding inferior extra, nunca bajo las tapas. */
.ediciones {
  /* Rampa oscura en píxeles desde el fondo, ruteada por los grises de la
     paleta (ronda 11): sin franja turbia hueso→tinta. */
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bone) 280px, var(--color-bone) calc(100% - 300px), #E6E4DC calc(100% - 292px), #DDDDD7 calc(100% - 269px), #CBCFCD calc(100% - 235px), #ACB4B7 calc(100% - 194px), #9AA5AA calc(100% - 150px), #8E9AA1 calc(100% - 106px), #6B7983 calc(100% - 65px), #4A5A64 calc(100% - 31px), #3A4A55 calc(100% - 8px), #2B3942 100%);
  padding-bottom: clamp(140px, 16vh, 190px);
}

.site-footer {
  background: linear-gradient(180deg, #2B3942 0%, var(--color-dark) 120px);
}

/* ===== Navegación del lector (ronda 13): prev / contador / next,
   siempre visibles y táctiles (≥44px), también en escritorio ===== */
.reader__nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  padding: 8px 12px calc(8px + env(safe-area-inset-bottom, 0px));
  background: var(--color-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.reader__nav-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.reader__nav-btn:hover,
.reader__nav-btn:focus-visible {
  background: rgba(255, 255, 255, 0.26);
}

.reader__nav-btn:focus-visible {
  outline: 2px solid var(--color-sky);
  outline-offset: 2px;
}

.reader__nav-btn[disabled] {
  opacity: 0.35;
  pointer-events: none;
}

.reader__nav-count {
  margin: 0;
  min-width: 5.5ch;
  text-align: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
}

/* ===== Ronda 29.4b (refuerzo): borde diseñado hacia el footer tinta =====
   Mismo criterio que la Home: meseta del color propio + ola en el color
   exacto del footer; el degradé largo se retira. */
.ediciones {
  background: linear-gradient(180deg, #FFFFFF 0%, var(--color-bone) 280px, var(--color-bone) 100%);
  padding-bottom: clamp(150px, 16vh, 200px);
}

.ediciones::before {
  content: '';
  position: absolute;
  inset: auto 0 0 0;
  height: 64px;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 64' preserveAspectRatio='none'%3E%3Cpath d='M0 34C240 56 480 14 720 34S1200 58 1440 36L1440 64 0 64Z' fill='%232B3942'/%3E%3C/svg%3E") bottom center / 100% 64px no-repeat;
}