/* Componentes reutilizables */

/* ===== Header ===== */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--border-subtle);
  transition: box-shadow var(--duration-normal) var(--ease-out), background-color var(--duration-normal) var(--ease-out);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.5rem;
  gap: var(--space-3);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.site-header__logo img {
  width: 3.4rem;
  height: 3.4rem;
  object-fit: contain;
}

@media (max-width: 575px) {
  .site-header__logo img {
    width: 3.1rem;
    height: 3.1rem;
  }
}

.site-header__logo span {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: var(--leading-tight);
}

/* ===== Navegación de escritorio ===== */
.site-nav {
  display: none;
}

@media (min-width: 1100px) {
  .site-nav {
    display: block;
  }
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding: var(--space-2) 0.55rem;
  font-family: var(--font-nav);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-secondary);
  transition: color var(--duration-fast) var(--ease-out);
}

@media (min-width: 1280px) {
  .site-nav__link {
    font-size: 0.76rem;
    letter-spacing: 0.11em;
    padding-inline: 0.7rem;
  }
}

/* Subrayado de ramal: punteado en reposo → sólido celeste al hover →
   remate en parada en el activo (decisión ronda 10). */
.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0.55rem;
  right: 0.55rem;
  bottom: 0;
  height: 6px;
  pointer-events: none;
  background: repeating-linear-gradient(90deg, var(--color-mist) 0 4px, transparent 4px 9px) 0 50% / 100% 2px no-repeat;
  opacity: 0.55;
  transition: opacity var(--duration-fast) var(--ease-out);
}

@media (min-width: 1280px) {
  .site-nav__link::after {
    left: 0.7rem;
    right: 0.7rem;
  }
}

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

.site-nav__link:hover::after {
  background: linear-gradient(var(--color-sky), var(--color-sky)) 0 50% / 100% 2px no-repeat;
  opacity: 1;
}

.site-nav__link.is-active {
  color: var(--text-primary);
}

.site-nav__link.is-active::after {
  background-image:
    radial-gradient(circle 3px at calc(100% - 2px) 50%, var(--color-sky-ink) 97%, transparent 100%),
    linear-gradient(var(--color-sky), var(--color-sky));
  background-position: 0 50%, 0 50%;
  background-size: 100% 100%, calc(100% - 11px) 2px;
  background-repeat: no-repeat, no-repeat;
  opacity: 1;
}

/* (Ronda 22: el punto superior se retiró a pedido del cliente;
   queda solo el subrayado de ramal.) */

.site-nav__link:focus-visible {
  outline: 2px solid var(--color-sky-ink);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .site-nav__link::after {
    transition: none;
  }
}

/* ===== Botón de menú móvil ===== */
.menu-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  background: var(--color-white);
  transition: background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.menu-toggle:hover {
  background-color: var(--color-sky-soft);
  border-color: transparent;
}

@media (min-width: 1100px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle__icon {
  width: 1.4rem;
  height: 1.4rem;
}

/* ===== Menú móvil premium ===== */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile-nav);
  display: flex;
  flex-direction: column;
  background: linear-gradient(180deg, var(--color-white) 0%, var(--color-bone) 130%);
  padding: var(--space-4) var(--space-5) var(--space-8);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    visibility 0s linear var(--duration-normal);
  overflow-y: auto;
}

.mobile-nav.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    visibility 0s;
}

.mobile-nav__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.2rem;
}

.mobile-nav__brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.mobile-nav__brand img {
  width: 3rem;
  height: 3rem;
}

.mobile-nav__close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: var(--border-subtle);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--text-primary);
  transition: background-color var(--duration-fast) var(--ease-out);
}

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

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  margin-top: var(--space-6);
}

.mobile-nav__list li {
  border-bottom: 1px solid var(--color-pearl);
}

/* Entrada escalonada: estados iniciales solo cuando el panel está cerrado
   (el panel entero es invisible en reposo, el contenido nunca queda oculto). */
.mobile-nav__list li {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--duration-normal) var(--ease-out), transform var(--duration-normal) var(--ease-out);
}

.mobile-nav.is-open .mobile-nav__list li {
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav.is-open .mobile-nav__list li:nth-child(1) { transition-delay: 60ms; }
.mobile-nav.is-open .mobile-nav__list li:nth-child(2) { transition-delay: 100ms; }
.mobile-nav.is-open .mobile-nav__list li:nth-child(3) { transition-delay: 140ms; }
.mobile-nav.is-open .mobile-nav__list li:nth-child(4) { transition-delay: 180ms; }
.mobile-nav.is-open .mobile-nav__list li:nth-child(5) { transition-delay: 220ms; }
.mobile-nav.is-open .mobile-nav__list li:nth-child(6) { transition-delay: 260ms; }
.mobile-nav.is-open .mobile-nav__list li:nth-child(7) { transition-delay: 300ms; }

.mobile-nav__link {
  position: relative;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.95rem var(--space-2);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-primary);
  transition: color var(--duration-fast) var(--ease-out), padding-left var(--duration-fast) var(--ease-out);
}

.mobile-nav__link::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--color-sky);
  background: var(--color-white);
  flex: none;
  transition: background-color var(--duration-fast) var(--ease-out);
}

.mobile-nav__link:hover::before,
.mobile-nav__link.is-active::before {
  background: var(--color-sky);
}

.mobile-nav__link.is-active {
  color: var(--color-sky-deep);
}

.mobile-nav__contact {
  margin-top: auto;
  padding-top: var(--space-6);
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* ===== Botones ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.78rem 1.45rem;
  font-family: var(--font-nav);
  font-size: var(--text-sm);
  font-weight: 600;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.btn:active {
  transform: scale(0.97);
}

.btn--primary {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--text-primary);
  border-color: var(--color-dark-25);
}

.btn--secondary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
  background-color: var(--color-sky-soft);
  border-color: transparent;
}

.btn--accent {
  background-color: var(--color-sky);
  color: var(--color-dark);
  border-color: var(--color-sky);
}

.btn--accent:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn__icon {
  width: 1rem;
  height: 1rem;
  transition: transform var(--duration-fast) var(--ease-out);
}

.btn:hover .btn__icon {
  transform: translateX(2px);
}

/* ===== Detalle de título «Trazo de ramal con parada» =====
   Reemplaza al hr.divider-left: línea fina que se traza al entrar en
   pantalla y remata en una parada celeste. Ajuste del cliente: pegado
   al título (margen superior corto) y menos extendido. Estático completo
   sin JS o con motion reducido. */
.titulo-trazo {
  display: block;
  width: 115px;
  max-width: 50%;
  height: 10px;
  margin-top: 7px;
  margin-bottom: var(--space-4);
  overflow: visible;
}

.titulo-trazo__linea {
  stroke: var(--color-sky);
  stroke-width: 2.5;
  stroke-linecap: round;
}

.titulo-trazo__parada {
  fill: var(--color-sky-ink);
}

/* ===== Eyebrow «Sello con rosa» =====
   Rosa de los vientos en miniatura (SVG inline de 8 puntas) como sello
   lateral del eyebrow; gira suave al hover, sin giro con motion reducido. */
.eyebrow--sello {
  gap: 9px;
}

.eyebrow--sello::before {
  content: none;
}

.eyebrow__sello {
  flex: none;
  transition: transform 0.45s var(--ease-out);
}

.eyebrow__sello-outer {
  fill: var(--color-sky-ink);
}

.eyebrow__sello-inner {
  fill: var(--color-sky-soft);
}

.eyebrow--sello:hover .eyebrow__sello {
  transform: rotate(45deg);
}

@media (prefers-reduced-motion: reduce) {
  .eyebrow--sello:hover .eyebrow__sello {
    transform: none;
  }
}

/* ===== Botones flotantes ===== */
.fab-stack {
  position: fixed;
  right: clamp(0.8rem, 2.5vw, 1.4rem);
  bottom: clamp(0.8rem, 2.5vw, 1.4rem);
  z-index: calc(var(--z-header) - 1);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.fab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.9rem;
  height: 2.9rem;
  border-radius: var(--radius-full);
  border: var(--border-subtle);
  background: var(--color-white);
  color: var(--color-dark);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), background-color var(--duration-fast) var(--ease-out);
}

.fab:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: var(--color-sky-soft);
}

.fab svg {
  width: 1.25rem;
  height: 1.25rem;
  flex: none;
}

/* Acceso al sistema externo (configurar href via data-system-link) */
.fab--system {
  width: auto;
  padding-inline: 1.05rem;
  gap: var(--space-2);
  /* Ronda 25: celeste entintado AA con blanco (~4.9:1) que contrasta con
     las cuatro superficies del sitio; el borde translúcido y el halo lo
     despegan también del celeste suave y de la banda tinta. */
  background: var(--color-sky-ink);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.55);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.16), var(--shadow-md);
  font-family: var(--font-nav);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.fab--system:hover {
  background: #325D81;
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2), var(--shadow-lg);
}

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

@media (max-width: 575px) {
  .fab--system .fab__label {
    display: none;
  }

  .fab--system {
    width: 2.9rem;
    padding-inline: 0;
  }
}

/* Volver arriba: aparece después de scrollear ocupando el lugar inferior
   del stack y empuja al botón de Sistema hacia arriba (pedido del cliente).
   Oculto, su espacio colapsa vía margin-top negativo (alto 2.9rem + gap). */
.fab--top {
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  margin-top: calc(-2.9rem - var(--space-3));
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    margin-top var(--duration-normal) var(--ease-out),
    visibility 0s linear var(--duration-normal),
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.fab--top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  margin-top: 0;
  transition:
    opacity var(--duration-normal) var(--ease-out),
    transform var(--duration-normal) var(--ease-out),
    margin-top var(--duration-normal) var(--ease-out),
    visibility 0s,
    box-shadow var(--duration-fast) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
}

.fab--top.is-visible:hover {
  transform: translateY(-2px);
}

/* ===== Sección editorial ===== */
.editorial {
  display: grid;
  gap: clamp(2.2rem, 5vw, 4.5rem);
  align-items: center;
}

@media (min-width: 768px) {
  .editorial {
    grid-template-columns: 1.05fr 0.95fr;
  }
}

.editorial__text {
  max-width: 62ch;
}

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

.editorial__text strong {
  color: var(--text-primary);
  font-weight: 600;
}

.editorial__media {
  position: relative;
  min-width: 0;
}

.editorial__media > img {
  width: 100%;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: var(--border-subtle);
}

.editorial__caption {
  margin-top: var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-muted);
  font-style: italic;
}

/* Marco con passe-partout para imágenes destacadas */
.img-frame {
  margin: 0;
  padding: 10px;
  background: var(--color-white);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}

.img-frame img {
  border-radius: calc(var(--radius-lg) - 6px);
  width: 100%;
}

.img-frame figcaption {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: var(--space-3) var(--space-2) var(--space-1);
}

/* ===== Grupos de la comisión (listas de nombres) ===== */
.board-group__title {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--color-sky);
  padding-bottom: var(--space-2);
  margin-bottom: var(--space-3);
}

.board-member {
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-pearl);
  font-size: var(--text-base);
  color: var(--text-secondary);
}

.board-member:last-child {
  border-bottom: none;
}

.board-member strong {
  color: var(--text-primary);
  font-weight: 600;
}

/* ===== Galería (compartida) ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .gallery {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .gallery {
    grid-template-columns: repeat(4, 1fr);
  }
}

.gallery__item {
  position: relative;
  aspect-ratio: 3 / 4;
  max-width: 100%;
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  border: var(--border-subtle);
  box-shadow: var(--shadow-md);
  background: var(--surface);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

.gallery__item:hover,
.gallery__item:focus-visible {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-sky);
}

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

.gallery__item:hover img {
  transform: scale(1.03);
}

.gallery__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(36, 49, 58, 0.6), transparent 60%);
  opacity: 0;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.gallery__item:hover::after,
.gallery__item:focus-visible::after {
  opacity: 1;
}

.gallery__label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-white);
  z-index: 2;
  transform: translateY(10px);
  opacity: 0;
  transition: transform var(--duration-normal) var(--ease-out), opacity var(--duration-normal) var(--ease-out);
}

.gallery__item:hover .gallery__label,
.gallery__item:focus-visible .gallery__label {
  transform: translateY(0);
  opacity: 1;
}

/* ===== Timeline (compartida) ===== */
.timeline {
  position: relative;
  max-width: 56rem;
  margin-inline: auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0.5rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: repeating-linear-gradient(180deg, var(--color-sky) 0 10px, var(--color-pearl) 10px 20px);
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline__item {
  position: relative;
  padding-left: 2.5rem;
  padding-bottom: var(--space-10);
}

@media (min-width: 768px) {
  .timeline__item {
    padding-left: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .timeline__item:nth-child(odd) .timeline__content {
    grid-column: 1;
    text-align: right;
  }

  .timeline__item:nth-child(even) .timeline__content {
    grid-column: 2;
  }
}

.timeline__dot {
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 1rem;
  height: 1rem;
  border-radius: 50%;
  background: var(--color-sky);
  border: 3px solid var(--color-white);
  box-shadow: var(--shadow-sm);
}

@media (min-width: 768px) {
  .timeline__dot {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline__year {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  color: var(--color-sky-deep);
  line-height: var(--leading-tight);
}

.timeline__text {
  margin-top: var(--space-2);
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.timeline__text strong {
  color: var(--text-primary);
}

/* ===== Legislación (compartida) ===== */
.legislacion-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.legislacion-card {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-5);
  background: var(--surface);
  border: var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--duration-fast) var(--ease-out), box-shadow var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out);
}

@media (min-width: 768px) {
  .legislacion-card {
    grid-template-columns: 8rem 1fr auto;
    align-items: start;
  }
}

.legislacion-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-sky);
}

.legislacion-card__date {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-sky-deep);
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.legislacion-card__source {
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-top: var(--space-1);
  font-weight: 600;
}

.legislacion-card__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.legislacion-card__summary {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.legislacion-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
}

.legislacion-card__link:hover {
  color: var(--color-sky-deep);
}

/* ===== Footer institucional oscuro ===== */
.site-footer {
  padding-block: clamp(3.6rem, 7vw, 5.5rem) var(--space-5);
  background-color: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
}

.site-footer__grid {
  display: grid;
  gap: clamp(2.2rem, 5vw, 4.5rem);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 1.3fr 1fr 1.2fr;
  }

  /* separadores finos entre columnas */
  .site-footer__grid > * + * {
    border-left: 1px solid rgba(255, 255, 255, 0.1);
    padding-left: clamp(1.6rem, 3.5vw, 3rem);
  }
}

.site-footer__brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.site-footer__logo {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
}

.site-footer__logo img {
  width: 2.75rem;
  height: 2.75rem;
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 4px;
}

.site-footer__logo span {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 500;
  color: var(--color-white);
  line-height: 1.3;
}

.site-footer__desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.66);
  max-width: 34ch;
}

.site-footer__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-sky-soft);
  margin-bottom: var(--space-4);
}

/* parada de recorrido como acento del título de columna */
.site-footer__title::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  border: 1.5px solid var(--color-sky);
  background: transparent;
  flex: none;
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.site-footer__link {
  position: relative;
  width: fit-content;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
  transition: color 200ms var(--ease-out), transform 200ms var(--ease-out);
}

.site-footer__link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -3px;
  height: 1px;
  width: 100%;
  background: var(--color-sky);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms var(--ease-out);
}

.site-footer__link:hover {
  color: var(--color-white);
  transform: translateX(3px);
}

.site-footer__link:hover::after,
.site-footer__link:focus-visible::after {
  transform: scaleX(1);
}

.site-footer__link:focus-visible {
  outline: 2px solid var(--color-sky);
  outline-offset: 3px;
}

.site-footer__contact {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.85);
}

.contact-item__icon {
  width: 1.2rem;
  height: 1.2rem;
  color: var(--color-sky);
  flex-shrink: 0;
  margin-top: 0.15rem;
}

.site-footer__bottom {
  margin-top: clamp(2.2rem, 5vw, 3.4rem);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  text-align: center;
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.site-footer__copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.55);
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: var(--z-lightbox);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(36, 49, 58, 0.92);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-normal) var(--ease-out), visibility var(--duration-normal) var(--ease-out);
}

.lightbox.is-active {
  opacity: 1;
  visibility: visible;
}

.lightbox__content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  max-height: 90svh;
  max-height: 90dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox__image {
  max-width: 100%;
  max-height: 78vh;
  max-height: 78svh;
  max-height: 78dvh;
  object-fit: contain;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.lightbox__caption {
  margin-top: var(--space-4);
  color: var(--color-white);
  font-size: var(--text-sm);
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  transition: background-color var(--duration-fast) var(--ease-out);
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
  background: rgba(255, 255, 255, 0.24);
}

.lightbox__close {
  top: -3rem;
  right: 0;
}

.lightbox__prev {
  left: -4rem;
  top: 50%;
  transform: translateY(-50%);
}

.lightbox__next {
  right: -4rem;
  top: 50%;
  transform: translateY(-50%);
}

@media (max-width: 767px) {
  .lightbox__prev { left: var(--space-2); }
  .lightbox__next { right: var(--space-2); }
}

/* Móvil angosto (ronda 13): controles SIEMPRE visibles y táctiles en una
   banda inferior fija — prev / epígrafe-contador / next — sin tapar la tapa. */
@media (max-width: 600px) {
  .lightbox__image {
    max-height: 64vh;
    max-height: 64svh;
    max-height: 64dvh;
  }

  .lightbox__prev,
  .lightbox__next {
    position: fixed;
    top: auto;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 14px);
    transform: none;
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.2);
    z-index: 2;
  }

  .lightbox__prev { left: 16px; }
  .lightbox__next { right: 16px; }

  .lightbox__caption {
    position: fixed;
    left: 50%;
    bottom: calc(env(safe-area-inset-bottom, 0px) + 26px);
    transform: translateX(-50%);
    margin: 0;
    max-width: calc(100vw - 9rem);
    text-align: center;
    z-index: 1;
  }

  .lightbox__close {
    position: fixed;
    top: calc(env(safe-area-inset-top, 0px) + 14px);
    right: 14px;
    width: 3rem;
    height: 3rem;
    background: rgba(255, 255, 255, 0.2);
    z-index: 2;
  }
}

/* ===== Hero de páginas internas ===== */
.page-hero {
  padding-block: calc(var(--header-offset) + clamp(2rem, 6vh, 3.5rem)) clamp(2.5rem, 6vh, 4rem);
  background: linear-gradient(180deg, var(--color-bone) 0%, var(--color-white) 100%);
}

.page-hero__title {
  font-size: var(--text-4xl);
  text-align: center;
}

.page-hero__lead {
  max-width: 56ch;
  margin-inline: auto;
  margin-top: var(--space-4);
  text-align: center;
  font-size: var(--text-lg);
  color: var(--text-secondary);
}

/* ===== Topbar de contacto (header doble nivel, ronda 10) =====
   Banda finísima en tinta con los datos reales del footer; se pliega
   al scrollear (is-scrolled ya lo setea main.js). Oculta en móvil. */
.topbar {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
  overflow: hidden;
  max-height: 40px;
  transition: max-height 0.3s var(--ease-out);
}

.topbar__inner {
  display: flex;
  align-items: center;
  gap: 22px;
  padding-block: 7px;
  font-family: var(--font-nav);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  white-space: nowrap;
  min-width: 0;
  overflow: hidden;
}

.topbar__inner span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.topbar__inner i {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--color-sky);
  flex: none;
}

.topbar__mail {
  margin-left: auto;
  color: var(--color-sky-soft);
}

.site-header.is-scrolled .topbar {
  max-height: 0;
}

@media (max-width: 767px) {
  .topbar {
    display: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .topbar {
    transition: none;
  }
}

/* La altura total del header con topbar solo aplica en escritorio */
@media (min-width: 768px) {
  :root {
    --header-offset: calc(var(--header-main) + 34px);
  }
}

/* ===== Menú móvil sin salto (ronda 18) =====
   El panel se despliega DEBAJO del header real: el header nunca se mueve
   y la hamburguesa se transforma en X en su mismo lugar. La fila réplica
   del panel (logo + X propia) deja de usarse. */
.mobile-nav {
  z-index: calc(var(--z-header) - 1);
  padding-top: calc(var(--header-main) + env(safe-area-inset-top, 0px));
}

@media (min-width: 768px) {
  .mobile-nav {
    padding-top: calc(var(--header-offset) + env(safe-area-inset-top, 0px));
  }
}

.mobile-nav__top {
  display: none;
}

.menu-toggle__x {
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}

.menu-toggle__bars {
  transition: opacity var(--duration-fast) var(--ease-out);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bars { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__x { opacity: 1; }

/* El toggle queda por encima del panel abierto */
.menu-toggle {
  position: relative;
  z-index: calc(var(--z-header) + 1);
}

/* Con el menú móvil abierto, los botones flotantes se apartan
   (pisaban la línea de contacto del panel). */
body:has(.mobile-nav.is-open) .fab-stack {
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-fast) var(--ease-out);
}

/* ===== Estados :active de los interactivos (ronda 21) =====
   Micro-escala percibible al presionar; el foco por teclado no cambia. */
.btn:active,
.fab:active,
.chip:active,
.az-chip:active,
.sort-btn:active,
.menu-toggle:active,
.mobile-nav__link:active,
.reader__nav-btn:active,
.reader__close:active,
.lightbox__prev:active,
.lightbox__next:active,
.lightbox__close:active,
.edition-card__read:active,
.year-rail__link:active,
.site-footer__link:active,
.site-nav__link:active {
  transform: scale(0.97);
  transition-duration: 120ms;
}

.edition-card__zoom:active {
  transform: scale(0.985);
  transition-duration: 120ms;
}

/* Selección de texto solo donde hay contenido; nunca en controles puros */
.btn,
.fab,
.chip,
.az-chip,
.sort-btn,
.menu-toggle,
.reader__nav-btn,
.reader__close,
.lightbox__prev,
.lightbox__next,
.lightbox__close,
.edition-card__read,
.site-nav__link,
.mobile-nav__link,
.year-rail__link {
  user-select: none;
  -webkit-user-select: none;
}

/* Callout solo en controles de visores (no sobre texto seleccionable) */
.lightbox__prev,
.lightbox__next,
.lightbox__close,
.reader__nav-btn,
.reader__close,
.edition-card__zoom {
  -webkit-touch-callout: none;
}

@media (prefers-reduced-motion: reduce) {
  .btn:active,
  .fab:active,
  .edition-card__zoom:active {
    transform: none;
  }
}

/* ===== Ronda 29.5: viñetas de parada en el footer =====
   Punto con anillo celeste (lenguaje de recorrido) en los items de
   Mapa del sitio e Información de contacto; se enciende al hover. */
.site-footer__link {
  padding-left: 18px;
}

.site-footer__link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -4px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid rgba(153, 194, 224, 0.55);
  background: transparent;
  transition: border-color 200ms var(--ease-out), background-color 200ms var(--ease-out);
}

.site-footer__link:hover::before,
.site-footer__link:focus-visible::before {
  border-color: var(--color-sky);
  background: var(--color-sky);
}

/* el subrayado del hover arranca después de la viñeta */
.site-footer__link::after {
  left: 18px;
  width: calc(100% - 18px);
}

.contact-item {
  position: relative;
  padding-left: 18px;
}

.contact-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.42rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1.5px solid rgba(153, 194, 224, 0.55);
  transition: border-color 200ms var(--ease-out), background-color 200ms var(--ease-out);
}

.contact-item:hover::before {
  border-color: var(--color-sky);
  background: var(--color-sky);
}

/* ===== Ronda 34 (compartidos) ===== */
/* 34.7 En táctil el :hover pegajoso dejaba la hamburguesa "encendida"
   tras cerrar: el hover del toggle solo aplica donde hay puntero real */
@media (hover: none) {
  .menu-toggle:hover {
    background: var(--color-white);
    border-color: rgba(36, 49, 58, 0.12);
  }
}

/* 34.10 Footer: un solo marcador por fila de contacto (queda el ícono);
   los anillos de parada son solo del Mapa del sitio */
.contact-item {
  padding-left: 0;
}

.contact-item::before {
  content: none;
}

/* 34.extra Header unificado: solo el isotipo en todas las páginas y
   anchos (el nombre accesible vive en el aria-label del link); el
   isotipo gana un punto de presencia en desktop */
.site-header__logo span {
  display: none;
}

@media (min-width: 920px) {
  .site-header__logo img {
    width: 3.8rem;
    height: 3.8rem;
  }
}

/* 34.extra Fila inferior del footer: el copyright quedó solo tras quitar
   la frase de remasterización — barra centrada en todos los anchos */
@media (min-width: 768px) {
  .site-footer__bottom {
    justify-content: center;
    text-align: center;
  }
}