/* ============================================================
   UTILIDAD: VISUALLY HIDDEN
   Oculta visualmente pero accesible para lectores de pantalla
   ============================================================ */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================================
   UTILIDAD: SECTION-LABEL (eyebrow text)
   ============================================================ */

.section-label {
  display: inline-block;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-yellow);
  margin-bottom: var(--space-3);
}

/* ============================================================
   UTILIDAD: SECTION-HEADER (centrado, con eyebrow + h2 + desc)
   ============================================================ */

.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-12);
}

.section-header h2 {
  font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
  line-height: var(--line-height-tight);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.section-desc {
  font-size: clamp(var(--font-size-base), 1.8vw, var(--font-size-lg));
  color: var(--color-gray);
  line-height: var(--line-height-loose);
}

/* ============================================================
   REVEAL ANIMATION (scroll entrance)
   Solo activa cuando el usuario NO prefiere reducir movimiento.
   animations.js añade .is-visible vía IntersectionObserver.
   ============================================================ */

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition:
      opacity 0.65s ease,
      transform 0.65s ease;
    transition-delay: var(--reveal-delay, 0ms);
  }

  .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================================
   HERO (§5.2)
   ============================================================ */

.section-hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-height);
  background-color: var(--color-black);
  overflow: hidden;
}

/* Overlay 60% — activo con la imagen de fondo (paso 4) */
.section-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  z-index: 1;
}

.hero__content {
  position: relative;
  z-index: 2;
  width: 100%;
  text-align: center;
  padding-block: var(--space-16);
}

.hero__headline {
  font-size: clamp(2.25rem, 7.5vw, var(--font-size-3xl));
  font-weight: var(--font-weight-bold);
  line-height: 1.07;
  letter-spacing: -0.03em;
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.hero__headline-accent {
  display: block;
  color: var(--color-yellow);
}

.hero__subheadline {
  font-size: clamp(var(--font-size-base), 2.2vw, var(--font-size-lg));
  color: rgba(255, 255, 255, 0.72);
  line-height: var(--line-height-loose);
  max-width: 580px;
  margin-inline: auto;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  align-items: center;
}

/* ─── Scroll indicator ─── */

.hero__scroll-indicator {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  color: rgba(255, 255, 255, 0.35);
  animation: scroll-bounce 2.2s ease-in-out infinite;
  transition: opacity var(--transition-slow);
}

.hero__scroll-indicator.is-hidden {
  opacity: 0;
  animation: none;
  pointer-events: none;
}

.hero__scroll-indicator svg:first-child {
  opacity: 0.5;
}

.hero__scroll-indicator svg + svg {
  margin-top: -8px;
}

@keyframes scroll-bounce {
  0%  { transform: translateX(-50%) translateY(0);   opacity: 0.35; }
  50% { transform: translateX(-50%) translateY(9px); opacity: 0.85; }
  100%{ transform: translateX(-50%) translateY(0);   opacity: 0.35; }
}

/* ============================================================
   STATS (§5.3)
   Fondo amarillo, texto negro, máximo contraste e impacto
   ============================================================ */

.section-stats {
  background-color: var(--color-yellow);
  padding-block: clamp(var(--space-10), 6vw, var(--space-16));
}

.stats__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8) var(--space-6);
  text-align: center;
}

.stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.stats__number {
  display: block;
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: var(--font-weight-bold);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-black);
  /* Garantiza que el valor sea legible incluso antes de que la animación cargue */
  font-variant-numeric: tabular-nums;
}

.stats__label {
  font-size: clamp(var(--font-size-xs), 1.4vw, var(--font-size-sm));
  font-weight: var(--font-weight-medium);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.65);
}

@media (min-width: 640px) {
  .stats__list {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
  }
}

/* ============================================================
   QUIÉNES SOMOS (§5.4)
   ============================================================ */

.section-about {
  background-color: var(--color-black);
  padding-block: var(--section-py);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

/* En desktop: imagen a la izquierda, texto a la derecha */
@media (min-width: 1024px) {
  .about__grid {
    grid-template-columns: 5fr 7fr;
    gap: clamp(var(--space-12), 5vw, var(--space-20));
  }

  .about__image {
    order: -1;
  }
}

/* Placeholder de foto */
.about__photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-black-soft) 0%, var(--color-black-mid) 100%);
  border: 2px dashed var(--color-black-mid);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-4);
  color: var(--color-gray-dark);
  font-size: var(--font-size-sm);
  text-align: center;
  line-height: var(--line-height-normal);
}

/* Encabezado de la sección "about" */
.about__heading {
  font-size: clamp(1.875rem, 4.5vw, 2.75rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  letter-spacing: -0.025em;
  color: var(--color-white);
  margin-bottom: var(--space-5);
}

.about__text {
  font-size: clamp(var(--font-size-base), 1.6vw, var(--font-size-lg));
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--line-height-loose);
  margin-bottom: var(--space-8);
}

/* Lista de features con checkmark */
.about__features {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.about__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--font-size-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--line-height-normal);
}

.about__feature-icon {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--color-yellow);
}

/* ============================================================
   TIPOS DE EVENTO (§5.5)
   ============================================================ */

.section-events {
  background-color: var(--color-black-soft);
  padding-block: var(--section-py);
}

.events__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: var(--space-5);
}

.event-card {
  background-color: var(--color-black);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
  cursor: default;
}

.event-card:hover {
  border-color: var(--color-yellow);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--color-yellow);
}

.event-card__icon {
  width: 52px;
  height: 52px;
  background-color: rgba(255, 214, 0, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-yellow);
  flex-shrink: 0;
  margin-bottom: var(--space-1);
  transition: background-color var(--transition-base);
}

.event-card:hover .event-card__icon {
  background-color: rgba(255, 214, 0, 0.15);
}

.event-card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
}

.event-card__description {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  line-height: var(--line-height-loose);
  flex: 1;
}

/* ============================================================
   GALERÍA (§5.6)
   ============================================================ */

.section-gallery {
  background-color: var(--color-black);
  padding-block: var(--section-py);
}

/* ─── Vídeos destacados (2 columnas en tablet+) ─── */

.gallery__videos {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .gallery__videos {
    grid-template-columns: 1fr 1fr;
  }
}

/* ─── Video facade ─── */

.video-facade {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--color-black-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  display: block;
}

.video-facade__thumb {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-slow);
}

.video-facade:hover .video-facade__thumb {
  transform: scale(1.04);
}

.video-facade__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0.1) 0%,
    rgba(0, 0, 0, 0.6) 100%
  );
}

.video-facade__play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  background-color: var(--color-yellow);
  color: var(--color-black);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
  z-index: 2;
  transition:
    transform var(--transition-base),
    background-color var(--transition-fast),
    box-shadow var(--transition-base);
}

.video-facade:hover .video-facade__play,
.video-facade__play:focus-visible {
  transform: translate(-50%, -50%) scale(1.12);
  background-color: var(--color-yellow-dim);
  box-shadow: 0 6px 32px rgba(0, 0, 0, 0.6), var(--shadow-glow);
}

.video-facade__info {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-5);
  right: var(--space-5);
  z-index: 2;
}

.video-facade__title {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9);
}

.video-facade__badge {
  display: inline-block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-yellow);
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.9);
}

/* iframe que reemplaza al facade al hacer click */
.video-facade iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

/* ─── Masonry grid de fotos (CSS columns) ─── */

.gallery__masonry {
  columns: 1;
  column-gap: var(--space-4);
}

@media (min-width: 560px) {
  .gallery__masonry { columns: 2; }
}

@media (min-width: 1024px) {
  .gallery__masonry { columns: 3; }
}

.gallery__item {
  break-inside: avoid;
  margin-bottom: var(--space-4);
  display: block;
}

.gallery__trigger {
  position: relative;
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: zoom-in;
  transition: transform var(--transition-base);
}

.gallery__trigger:hover {
  transform: scale(1.02);
}

.gallery__trigger:hover .gallery__hover-icon {
  opacity: 1;
}

/* Placeholder con aspect-ratio variable vía custom property --ar */
.gallery__placeholder {
  display: block;
  width: 100%;
  aspect-ratio: var(--ar, 4/3);
  background: linear-gradient(135deg,
    var(--color-black-soft) 0%,
    var(--color-black-mid) 100%
  );
}

/* Variaciones de gradiente por posición (visual variety mientras no hay fotos) */
.gallery__item:nth-child(2) .gallery__placeholder {
  background: linear-gradient(225deg, var(--color-black-soft) 0%, #1c1c1c 100%);
}
.gallery__item:nth-child(3) .gallery__placeholder {
  background: linear-gradient(45deg, var(--color-black-mid) 0%, #1e1e1e 100%);
}
.gallery__item:nth-child(4) .gallery__placeholder {
  background: linear-gradient(315deg, #1a1a1a 0%, var(--color-black-mid) 100%);
}
.gallery__item:nth-child(5) .gallery__placeholder {
  background: linear-gradient(135deg, var(--color-black-mid) 0%, #202020 100%);
}
.gallery__item:nth-child(6) .gallery__placeholder {
  background: linear-gradient(225deg, var(--color-black-soft) 0%, var(--color-black) 100%);
}
.gallery__item:nth-child(7) .gallery__placeholder {
  background: linear-gradient(45deg, #1a1a1a 0%, var(--color-black-mid) 100%);
}
.gallery__item:nth-child(8) .gallery__placeholder {
  background: linear-gradient(315deg, var(--color-black-soft) 0%, #1e1e1e 100%);
}

/* Icono zoom que aparece en hover */
.gallery__hover-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
  pointer-events: none;
}

.gallery__hover-icon svg {
  width: 40px;
  height: 40px;
  padding: var(--space-2);
  background: rgba(255, 214, 0, 0.92);
  color: var(--color-black);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-md);
}

/* ============================================================
   LIGHTBOX (§5.6) — <dialog> nativo HTML5
   ============================================================ */

.dialog-lightbox {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  display: none; /* oculto por defecto; .dialog-lightbox[open] lo activa */
}

.dialog-lightbox[open] {
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Backdrop nativo del dialog */
.dialog-lightbox::backdrop {
  background-color: rgba(0, 0, 0, 0.92);
}

/* Entrada suave del contenido al abrir */
@media (prefers-reduced-motion: no-preference) {
  .dialog-lightbox[open] .lightbox__figure {
    animation: lightbox-in 0.28s ease;
  }
}

@keyframes lightbox-in {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}

/* Backdrop interno: recibe el clic "fuera" para cerrar */
.lightbox__backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  cursor: zoom-out;
}

/* Todos los controles encima del backdrop */
.lightbox__close,
.lightbox__nav,
.lightbox__figure,
.lightbox__counter {
  position: relative;
  z-index: 1;
}

/* Botón cerrar */
.lightbox__close {
  position: fixed;
  top: var(--space-4);
  right: var(--space-4);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.75);
  border-radius: var(--radius-sm);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast);
}

.lightbox__close:hover {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.12);
}

/* Botones prev / next */
.lightbox__nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  transition:
    color var(--transition-fast),
    background-color var(--transition-fast),
    opacity var(--transition-fast);
}

.lightbox__nav--prev { left:  var(--space-4); }
.lightbox__nav--next { right: var(--space-4); }

.lightbox__nav:hover:not(:disabled) {
  color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__nav:disabled {
  opacity: 0.2;
  cursor: default;
}

/* Figura: imagen + caption */
.lightbox__figure {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: min(90vw, 1200px);
  pointer-events: none; /* los clics atraviesan hacia el backdrop */
}

.lightbox__img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
  display: block;
  pointer-events: auto;
}

/* Placeholder cuando aún no hay imagen real */
.lightbox__img-placeholder {
  width: 320px;
  max-width: 80vw;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-black-soft) 0%, var(--color-black-mid) 100%);
  border-radius: var(--radius-md);
  display: none; /* JS lo muestra cuando src está vacío */
  pointer-events: auto;
}

.lightbox__caption {
  margin-top: var(--space-3);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.55);
  text-align: center;
  pointer-events: auto;
}

/* Contador X / N */
.lightbox__counter {
  position: fixed;
  bottom: var(--space-5);
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.4);
  letter-spacing: 0.1em;
  pointer-events: none;
  white-space: nowrap;
}

/* ============================================================
   REDES SOCIALES (§5.7)
   ============================================================ */

.section-social {
  background-color: var(--color-black-soft);
  padding-block: var(--section-py);
}

/* ─── Grid de cards de redes ─── */

.social__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.social-card {
  background-color: var(--color-black);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-lg);
  transition:
    border-color var(--transition-base),
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

/* :focus-within captura navegación por teclado dentro del card */
.social-card:hover,
.social-card:focus-within {
  border-color: var(--brand-color, var(--color-yellow));
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.social-card__link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: inherit;
  text-decoration: none;
}

/* Contenedor del icono con color de marca vía --brand-color */
.social-card__icon {
  width: 52px;
  height: 52px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-color, var(--color-white));
  flex-shrink: 0;
  transition: background-color var(--transition-base);
}

.social-card:hover .social-card__icon,
.social-card:focus-within .social-card__icon {
  background-color: rgba(255, 255, 255, 0.1);
}

.social-card__body {
  flex: 1;
  min-width: 0;
}

.social-card__platform {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-1);
}

.social-card__handle {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-gray);
  letter-spacing: 0.02em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Flecha diagonal (↗) que aparece en hover */
.social-card__arrow {
  flex-shrink: 0;
  color: var(--brand-color, var(--color-gray));
  opacity: 0.4;
  transition:
    opacity var(--transition-fast),
    transform var(--transition-fast);
}

.social-card:hover .social-card__arrow,
.social-card:focus-within .social-card__arrow {
  opacity: 1;
  transform: translate(2px, -2px);
}

/* ─── Widget Spotify ─── */

.social__spotify {
  margin-bottom: var(--space-10);
}

.social__spotify-label {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-dark);
  margin-bottom: var(--space-4);
}

.social__spotify iframe {
  display: block;
  border-radius: var(--radius-lg);
  width: 100%;
}

/* ─── Links secundarios: Blog, Charangas.info, Partfy ─── */

.social__secondary {
  padding-top: var(--space-8);
  border-top: var(--border-width) solid var(--color-black-mid);
}

.social__secondary-label {
  font-size: var(--font-size-sm);
  color: var(--color-gray-dark);
  margin-bottom: var(--space-4);
}

.social__secondary-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-8);
}

.social__secondary-links a {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: transparent;
  transition:
    color var(--transition-fast),
    text-decoration-color var(--transition-fast);
}

.social__secondary-links a:hover {
  color: var(--color-white);
  text-decoration-color: currentColor;
}

/* ============================================================
   FOOTER (§5.10)
   ============================================================ */

.site-footer {
  background-color: var(--color-black-soft);
  border-top: var(--border-width) solid var(--color-black-mid);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  padding-block: var(--space-12);
}

@media (min-width: 768px) {
  .footer__inner {
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: var(--space-8) var(--space-12);
    align-items: start;
  }
}

/* Columna marca */
.footer__logo {
  display: inline-block;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: -0.025em;
  color: var(--color-white);
  text-decoration: none;
  margin-bottom: var(--space-3);
  line-height: 1;
}

.footer__logo .accent {
  color: var(--color-yellow);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  font-style: italic;
  line-height: var(--line-height-normal);
}

/* Títulos de columna */
.footer__col-title {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gray-dark);
  margin-bottom: var(--space-5);
}

/* Lista de navegación */
.footer__nav-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__nav-list a {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__nav-list a:hover {
  color: var(--color-white);
}

/* Lista de redes en el footer — iconos en amarillo */
.footer__social-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__social-list a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer__social-list a:hover {
  color: var(--color-white);
}

.footer__social-list svg {
  flex-shrink: 0;
  color: var(--color-yellow);
  opacity: 0.7;
  transition: opacity var(--transition-fast);
}

.footer__social-list a:hover svg {
  opacity: 1;
}

/* Barra inferior */
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-block: var(--space-6);
  border-top: var(--border-width) solid var(--color-black-mid);
}

.footer__copyright {
  font-size: var(--font-size-xs);
  color: var(--color-gray-dark);
}

.footer__privacy {
  font-size: var(--font-size-xs);
  color: var(--color-gray-dark);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

.footer__privacy:hover {
  color: var(--color-gray);
}

/* ============================================================
   FORMULARIO DE CONTRATACIÓN (§5.9)
   ============================================================ */

.section-contact {
  background-color: var(--color-black);
  padding-block: var(--section-py);
}

.form-wrapper {
  max-width: var(--container-narrow);
  margin-inline: auto;
}

/* ─── Fieldset / legend ─── */

.form-fieldset {
  border: none;
  padding: 0;
  margin: 0 0 var(--space-8);
}

.form-legend {
  display: block;
  width: 100%;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-gray-dark);
  padding-bottom: var(--space-3);
  margin-bottom: var(--space-5);
  border-bottom: var(--border-width) solid var(--color-black-mid);
}

/* ─── Grid de campos ─── */

.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-grid--2 { grid-template-columns: 1fr 1fr; }
  .form-grid--3 { grid-template-columns: 1fr 1fr; }
}

@media (min-width: 1024px) {
  .form-grid--3 { grid-template-columns: 1fr 1fr 1fr; }
}

/* ─── Form group ─── */

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-2);
}

.form-required {
  color: var(--color-yellow);
  margin-left: 2px;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-gray-dark);
  margin-bottom: var(--space-4);
}

/* ─── Inputs, selects, textarea ─── */

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  background-color: var(--color-black-soft);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  padding: var(--space-3) var(--space-4);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-yellow);
  box-shadow: 0 0 0 3px rgba(255, 214, 0, 0.15);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray-dark);
  font-size: var(--font-size-sm);
}

/* Estado inválido */
.form-input.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
  border-color: #E53E3E;
}

/* Estado válido */
.form-input.is-valid,
.form-select.is-valid,
.form-textarea.is-valid {
  border-color: #38A169;
}

/* Select: flecha custom */
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none'%3E%3Cpath d='M6 9l6 6 6-6' stroke='%23888888' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: var(--space-10);
  cursor: pointer;
}

.form-select--narrow {
  max-width: 320px;
}

/* Date input en dark: el calendar popup es del browser (no se puede cambiar fácilmente) */
input[type="date"].form-input {
  color-scheme: dark;
}

/* Textarea */
.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-textarea--sm {
  min-height: 80px;
}

/* Error y counter */
.form-error {
  display: block;
  min-height: 18px;
  font-size: var(--font-size-xs);
  color: #FC8181;
  margin-top: var(--space-1);
  line-height: var(--line-height-normal);
}

.form-textarea-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-4);
  margin-top: var(--space-1);
}

.form-counter {
  font-size: var(--font-size-xs);
  color: var(--color-gray-dark);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--transition-fast);
}

/* ─── Toggle Sí/No ─── */

.form-group--toggle {
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.form-group--toggle .form-label {
  margin-bottom: 0;
}

.form-toggle {
  display: inline-flex;
  background: var(--color-black-mid);
  border-radius: var(--radius-full);
  padding: 3px;
  gap: 3px;
  flex-shrink: 0;
}

.form-toggle__input {
  /* Visually hidden, accessible */
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.form-toggle__label {
  display: block;
  padding: var(--space-2) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-gray);
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    color var(--transition-fast);
}

.form-toggle__input:checked + .form-toggle__label {
  background-color: var(--color-yellow);
  color: var(--color-black);
}

.form-toggle__input:focus-visible + .form-toggle__label {
  outline: 2px solid var(--color-yellow);
  outline-offset: 2px;
}

/* ─── Campos condicionales ─── */

.form-conditional {
  border-left: 3px solid var(--color-yellow);
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
}

/* ─── Checkboxes custom ─── */

.form-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
}

.form-checkbox {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.form-checkbox__input {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  background-color: var(--color-black-soft);
  border: 2px solid var(--color-black-mid);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.form-checkbox__input:hover {
  border-color: var(--color-yellow);
}

.form-checkbox__input:checked {
  background-color: var(--color-yellow);
  border-color: var(--color-yellow);
}

/* Checkmark via pseudo-element */
.form-checkbox__input:checked::after {
  content: '';
  position: absolute;
  left: 5px;
  top: 2px;
  width: 6px;
  height: 10px;
  border: 2.5px solid var(--color-black);
  border-left: none;
  border-top: none;
  transform: rotate(45deg);
}

.form-checkbox__input:focus-visible {
  outline: 2px solid var(--color-yellow);
  outline-offset: 2px;
}

.form-checkbox__label {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.8);
  user-select: none;
}

/* ─── Error de envío global ─── */

.form-send-error {
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  background: rgba(229, 62, 62, 0.08);
  border: var(--border-width) solid rgba(229, 62, 62, 0.35);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-bottom: var(--space-6);
  color: #FC8181;
}

.form-send-error__body {
  flex: 1;
}

.form-send-error__title {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-1);
}

.form-send-error__msg {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-normal);
}

.form-retry-btn {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.3);
}

/* ─── Área de envío ─── */

.form-submit-area {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
  padding-top: var(--space-4);
}

.form-submit-hint {
  font-size: var(--font-size-xs);
  color: var(--color-gray-dark);
  line-height: var(--line-height-normal);
}

.form-submit-btn {
  min-width: 220px;
  gap: var(--space-3);
}

.form-submit-btn__loading {
  display: none;
  align-items: center;
  gap: var(--space-3);
}

.form-submit-btn.is-loading .form-submit-btn__text,
.form-submit-btn.is-loading .form-submit-btn__icon {
  display: none;
}

.form-submit-btn.is-loading .form-submit-btn__loading {
  display: inline-flex;
}

.form-submit-btn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .form-spinner {
    animation: form-spin 0.9s linear infinite;
  }
}

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

/* ─── Mensaje de éxito ─── */

.form-success {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

@media (prefers-reduced-motion: no-preference) {
  .form-success {
    animation: success-in 0.5s ease;
  }
}

@keyframes success-in {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

.form-success__icon {
  color: #68D391;
  margin-bottom: var(--space-6);
}

.form-success__title {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.form-success__msg {
  font-size: var(--font-size-base);
  color: var(--color-gray);
  max-width: 480px;
  margin-inline: auto;
  line-height: var(--line-height-loose);
}

/* ─── Confeti (animación CSS pura, JS inyecta las piezas) ─── */

.confetti-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-toast);
  overflow: hidden;
}

.confetti-piece {
  position: absolute;
  top: -20px;
}

@media (prefers-reduced-motion: no-preference) {
  .confetti-piece {
    animation: confetti-fall var(--fall-dur, 3s) ease-in var(--fall-delay, 0s) forwards;
  }
}

@keyframes confetti-fall {
  0%   { transform: translateY(0) rotate(0deg) scale(1);    opacity: 1; }
  80%  { opacity: 1; }
  100% { transform: translateY(105vh) rotate(720deg) scale(0.4); opacity: 0; }
}

/* ============================================================
   MODAL DE CONFIRMACIÓN (§5.9)
   ============================================================ */

.dialog-confirm {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  margin: 0;
  padding: 0;
  background: transparent;
  border: none;
  display: none;
}

.dialog-confirm[open] {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
}

.dialog-confirm::backdrop {
  background-color: rgba(0, 0, 0, 0.88);
}

/* Backdrop interno (clic fuera = cerrar) */
.dialog-confirm__backdrop {
  position: fixed;
  inset: 0;
  z-index: 0;
  cursor: pointer;
}

.dialog-confirm__inner {
  position: relative;
  z-index: 1;
  background-color: var(--color-black-soft);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  width: 100%;
  max-width: 560px;
  max-height: 88vh;
  overflow-y: auto;
}

@media (prefers-reduced-motion: no-preference) {
  .dialog-confirm[open] .dialog-confirm__inner {
    animation: modal-in 0.25s ease;
  }
}

@keyframes modal-in {
  from { opacity: 0; transform: scale(0.95) translateY(8px); }
  to   { opacity: 1; transform: scale(1) translateY(0); }
}

.dialog-confirm__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.dialog-confirm__subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray);
  margin-bottom: var(--space-6);
}

/* Tabla resumen */
.dialog-confirm__summary {
  background: var(--color-black);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-6);
  border: var(--border-width) solid var(--color-black-mid);
}

.dialog-confirm__row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: var(--border-width) solid var(--color-black-mid);
}

.dialog-confirm__row:last-child {
  border-bottom: none;
}

.dialog-confirm__term {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-bold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gray-dark);
  line-height: var(--line-height-loose);
}

.dialog-confirm__def {
  font-size: var(--font-size-sm);
  color: var(--color-white);
  word-break: break-word;
  line-height: var(--line-height-loose);
}

.dialog-confirm__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: flex-end;
  flex-wrap: wrap;
}

/* ============================================================
   CHATBOT (§5.8)
   Inyectado por JS solo cuando CONFIG.CHATBOT_ENABLED === true.
   Flex column: panel encima, toggle button abajo.
   ============================================================ */

.chatbot {
  position: fixed;
  bottom: var(--space-5);
  right: var(--space-5);
  z-index: var(--z-chatbot);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

/* ----- Toggle button ----- */

.chatbot__toggle {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  background-color: var(--color-yellow);
  color: var(--color-black);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
  transition: background-color var(--transition-fast), transform var(--transition-bounce);
}

.chatbot__toggle:hover {
  background-color: var(--color-yellow-dim);
  transform: scale(1.08);
}

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

/* Swap icons based on open state */
.chatbot__toggle .icon-chat  { display: block; }
.chatbot__toggle .icon-close { display: none; }
.chatbot__toggle[aria-expanded="true"] .icon-chat  { display: none; }
.chatbot__toggle[aria-expanded="true"] .icon-close { display: block; }

/* ----- Panel ----- */

.chatbot__panel {
  width: min(360px, calc(100vw - 40px));
  height: min(520px, calc(100svh - 120px));
  background-color: var(--color-black-soft);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  /* Closed state */
  opacity: 0;
  transform: translateY(12px) scale(0.97);
  pointer-events: none;
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.chatbot__panel.is-open {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

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

/* ----- Header ----- */

.chatbot__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background-color: var(--color-black);
  border-bottom: var(--border-width) solid var(--color-black-mid);
  flex-shrink: 0;
}

.chatbot__header-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background-color: var(--color-yellow);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chatbot__header-info { flex: 1; min-width: 0; }

.chatbot__header-name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--color-white);
  line-height: var(--line-height-tight);
}

.chatbot__header-status {
  font-size: var(--font-size-xs);
  color: var(--color-gray);
}

.chatbot__close {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  background: none;
  border: none;
  color: var(--color-gray);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.chatbot__close:hover {
  color: var(--color-white);
  background-color: var(--color-black-mid);
}

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

/* ----- Messages ----- */

.chatbot__messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  scroll-behavior: smooth;
}

.chatbot__messages::-webkit-scrollbar { width: 4px; }
.chatbot__messages::-webkit-scrollbar-track { background: transparent; }
.chatbot__messages::-webkit-scrollbar-thumb {
  background-color: var(--color-black-mid);
  border-radius: var(--radius-full);
}

.chatbot__message {
  max-width: 85%;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  line-height: var(--line-height-loose);
  word-break: break-word;
}

.chatbot__message--assistant {
  background-color: var(--color-black);
  color: var(--color-white);
  border: var(--border-width) solid var(--color-black-mid);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
}

.chatbot__message--user {
  background-color: var(--color-yellow);
  color: var(--color-black);
  font-weight: var(--font-weight-medium);
  border-bottom-right-radius: var(--radius-sm);
  align-self: flex-end;
}

.chatbot__message--error {
  background-color: rgba(255, 80, 80, 0.1);
  color: #ff8080;
  border: var(--border-width) solid rgba(255, 80, 80, 0.25);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
  max-width: 85%;
}

/* ----- Typing indicator ----- */

.chatbot__typing {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-black);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-md);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
  width: 60px;
}

.chatbot__typing-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-gray);
  animation: typing-bounce 1.2s ease-in-out infinite;
}

.chatbot__typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chatbot__typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-bounce {
  0%, 60%, 100% { transform: translateY(0);    opacity: 0.4; }
  30%            { transform: translateY(-5px); opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
  .chatbot__typing-dot { animation: none; opacity: 0.6; }
}

/* ----- Form ----- */

.chatbot__form {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  border-top: var(--border-width) solid var(--color-black-mid);
  background-color: var(--color-black);
  flex-shrink: 0;
}

/* Visually hidden label — accessible but not rendered */
.chatbot__label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chatbot__input {
  flex: 1;
  min-width: 0;
  background-color: var(--color-black-soft);
  border: var(--border-width) solid var(--color-black-mid);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: var(--font-family);
  font-size: var(--font-size-sm);
  padding: 0 var(--space-3);
  height: 40px;
  transition: border-color var(--transition-fast);
}

.chatbot__input::placeholder { color: var(--color-gray-dark); }

.chatbot__input:focus {
  outline: none;
  border-color: var(--color-yellow);
}

.chatbot__input:disabled { opacity: 0.5; cursor: not-allowed; }

.chatbot__send {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-yellow);
  color: var(--color-black);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.chatbot__send:hover:not(:disabled) { background-color: var(--color-yellow-dim); }
.chatbot__send:active:not(:disabled) { transform: scale(0.93); }

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

.chatbot__send:disabled { opacity: 0.5; cursor: not-allowed; }

/* ----- Session limit notice ----- */

.chatbot__limit {
  text-align: center;
  font-size: var(--font-size-xs);
  color: var(--color-gray);
  padding: var(--space-2) var(--space-3);
  background-color: var(--color-black);
  border-radius: var(--radius-sm);
  border: var(--border-width) solid var(--color-black-mid);
}