/* -------------------------------------------------------------------------
   Cuidémonos — estilos principales.
   Tokens en style.css. Aquí componentes y secciones (construcción por bloques).
   ------------------------------------------------------------------------- */

/* =========================================================================
   Utilidades / componentes base
   ========================================================================= */
/* El atributo `hidden` SIEMPRE oculta, aunque el elemento tenga display propio
   (flex/grid). Evita el bug recurrente en buscador, tabs, modal, stepper, etc. */
[hidden] { display: none !important; }

/* Bloqueo de scroll cuando hay un modal abierto (global: el helper de modal se
   usa en el home —video— y en cursos —perfil/examen—). */
html.modal-abierto { overflow: hidden; }

/* Primitives reutilizables del sistema (patrones repetidos por todo el theme).
   Adoptar de forma incremental al tocar cada módulo. */
.icon-circle { display: grid; place-items: center; border-radius: 50%; flex: 0 0 auto; }
.media-cover { position: relative; overflow: hidden; }
.media-cover > img { width: 100%; height: 100%; object-fit: cover; }
.sticky-aside { position: sticky; top: calc(var(--header-h) + 10px); }
.row-between { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  min-height: 44px;
  padding: 0.9rem 1.6rem;
  font-family: var(--font-body);
  font-weight: var(--weight-strong);
  font-size: var(--text-sm);
  line-height: 1;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: background-color var(--duration) var(--ease),
              color var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-contrast);
}
.btn--primary:hover { background: var(--color-primary-dark); }
.btn--ghost {
  background: transparent;
  color: #fff;
  border-color: #fff;
}
.btn--ghost:hover { background: #fff; color: var(--color-ink); }
.btn--dark { background: var(--color-ink); color: #fff; }
.btn--dark:hover { background: #000; color: #fff; }
.btn:active { transform: translateY(1px); }

.section-title {
  font-family: var(--font-head);
  font-weight: var(--weight-display);
  font-size: var(--text-h2);
  color: var(--color-primary);
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 0.01em;
}

/* =========================================================================
   Header
   ========================================================================= */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  padding-top: 16px;
}
/* Barra flotante blanca (isla) sobre el hero */
.site-header__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: 84px;
  background: #fff;
  border-radius: 16px;
  padding: 0.9rem 2rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.14);
  transition: box-shadow var(--duration) var(--ease);
}
.site-header.is-scrolled .site-header__bar { box-shadow: 0 6px 22px rgba(0, 0, 0, 0.2); }

/* Logo */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  flex-shrink: 0;
}
.site-logo__badge {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-family: var(--font-head);
  font-weight: var(--weight-display);
  font-size: 1.4rem;
}
.site-logo__img { width: 48px; height: 48px; object-fit: contain; }
/* Logo: R en desktop, logo completo "Fundación Romero" en mobile.
   Tope de ancho para que NUNCA empuje la hamburguesa fuera de la barra. */
.site-logo__img--mobile { display: none; width: auto; height: 42px; max-width: min(52vw, 190px); object-fit: contain; }

/* Nav */
.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav__list a {
  color: var(--color-ink);
  text-decoration: none;
  font-weight: var(--weight-body);
  font-size: var(--text-sm);
  transition: color var(--duration) var(--ease);
}
.site-nav__list a:hover { color: var(--color-primary); }

.site-header__actions { display: flex; align-items: center; gap: 1rem; }

/* Chip de usuario logueado (header) */
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  padding: 0.35rem 0.75rem 0.35rem 0.4rem;
  border-radius: 999px;
  transition: background var(--duration) var(--ease);
}
.user-chip:hover { background: var(--color-surface); }
.user-chip__avatar {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: #fff;
  font-family: var(--font-head);
  font-weight: var(--weight-display);
  font-size: 1.05rem;
}
.user-chip__datos { display: flex; flex-direction: column; line-height: 1.1; }
.user-chip__nombre { color: var(--color-ink); font-weight: var(--weight-strong); font-size: var(--text-sm); }
.user-chip__rol { color: var(--color-primary); font-size: 0.72rem; font-weight: var(--weight-strong); }
.user-salir {
  display: inline-grid;
  place-items: center;
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  color: var(--color-muted);
  transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
}
.user-salir:hover { background: var(--color-surface); color: var(--color-primary-dark); }
@media (max-width: 640px) {
  .user-chip__datos { display: none; }
  .site-header__bar { padding: 0.9rem 1.15rem; }
}

/* Páginas sin hero: separar el contenido del header fijo */
body:not(.has-hero) .site-main { padding-top: calc(var(--header-h) + 4px); }
/* El header ya está reservado arriba: la primera sección de cualquier vista sin
   hero (cursos, single, reproductor, examen, panel, tema) no necesita otro hueco. */
body:not(.has-hero) .site-main > section:first-child { padding-top: 0.75rem; }

/* Reveal al hacer scroll (solo con JS) */
html.js .reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 650ms var(--ease), transform 650ms var(--ease);
  will-change: opacity, transform;
}
html.js .reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html.js .reveal { opacity: 1; transform: none; transition: none; }
}

/* Reveal en cascada: hijos entran en secuencia (--st-d lo pone el JS). */
html.js .stagger-prep > * {
  opacity: 0;
  transform: translateY(20px);
}
html.js .stagger-prep.stagger-in > * {
  opacity: 1;
  transform: none;
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
  transition-delay: var(--st-d, 0ms);
}
@media (prefers-reduced-motion: reduce) {
  html.js .stagger-prep > * { opacity: 1; transform: none; transition: none; }
}

/* Hover rico en cards (lift + sombra + zoom de imagen). */
.noticia-card, .eje-card, .mini-card {
  transition: transform var(--duration) var(--ease), box-shadow var(--duration) var(--ease);
}
.noticia-card:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(0, 0, 0, 0.14); }
.eje-card:hover, .mini-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12); }
.noticia-card__media { overflow: hidden; }
.noticia-card__media img { transition: transform 450ms var(--ease); }
.noticia-card:hover .noticia-card__media img { transform: scale(1.06); }
@media (prefers-reduced-motion: reduce) {
  .noticia-card, .eje-card, .mini-card, .noticia-card__media img { transition: none; }
  .noticia-card:hover, .eje-card:hover, .mini-card:hover { transform: none; }
  .noticia-card:hover .noticia-card__media img { transform: none; }
}

/* Botón hamburguesa (móvil) */
.nav-toggle {
  display: none;
  flex-direction: column;
  flex-shrink: 0;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  background: transparent;
  border: 0;
  cursor: pointer;
}
.nav-toggle span {
  height: 2px;
  background: var(--color-ink);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

/* =========================================================================
   Hero
   ========================================================================= */
.hero {
  position: relative;
  min-height: min(88vh, 760px);
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
}
.hero__slides { position: absolute; inset: 0; background: #3a3a3a; }
.hero__slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0;
  transition: opacity 2000ms ease-in-out;
}
.hero__slide.is-active { opacity: 1; }
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.78) 0%, rgba(0, 0, 0, 0.45) 55%, rgba(0, 0, 0, 0.15) 100%);
}
.hero__inner { position: relative; max-width: 640px; }
.hero__title {
  font-size: var(--text-hero);
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 1rem;
}
.hero__lead {
  font-size: var(--text-lg);
  font-weight: var(--weight-body);
  line-height: 1.5;
  margin-bottom: 2rem;
  max-width: 46ch;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

/* =========================================================================
   Ejes de trabajo
   ========================================================================= */
.ejes .section-title { margin-bottom: var(--space-lg); }
.ejes__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
.eje-card {
  border: 1.5px solid var(--color-primary);
  border-radius: 14px;
  background: var(--color-bg);
  transition: box-shadow var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.eje-card:hover {
  box-shadow: 0 12px 30px rgba(218, 91, 62, 0.15);
  transform: translateY(-3px);
}
.eje-card__link {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  padding: 1.4rem 1.5rem;
  text-decoration: none;
  color: inherit;
}
.eje-card__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 54px;
  height: 60px;
  color: #fff;
  background: var(--color-primary);
  /* Hexágono */
  clip-path: polygon(50% 0, 100% 25%, 100% 75%, 50% 100%, 0 75%, 0 25%);
  transition: background-color var(--duration) var(--ease);
}
.eje-card:hover .eje-card__icon { background: var(--color-primary-dark); }
.eje-card__icon svg {
  width: auto;
  height: 30px;
  max-width: 34px;
  color: #fff;
}
.eje-card__icon svg path { fill: currentColor; }
.eje-card__body { display: flex; flex-direction: column; gap: 0.2rem; }
.eje-card__title {
  font-family: var(--font-head);
  font-weight: var(--weight-strong);
  font-size: 1.125rem;
  color: var(--color-ink);
}
.eje-card__desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: 1.4;
}

/* =========================================================================
   Footer (base — se refina en su bloque)
   ========================================================================= */
.site-footer {
  background: var(--color-dark);
  color: rgba(255, 255, 255, 0.85);
  margin-top: var(--space-lg);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding-block: var(--space-md);
}
.site-footer__list {
  display: flex;
  gap: var(--space-md);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-footer__list a { color: rgba(255, 255, 255, 0.85); text-decoration: none; }
.site-footer__list a:hover { color: #fff; }
.site-footer__copy { color: rgba(255, 255, 255, 0.6); margin: 0; }

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width: 860px) {
  .nav-toggle { display: flex; }
  .site-header__actions .btn--primary { display: none; }
  /* Swap de logo en mobile. */
  .site-logo__img--desktop { display: none; }
  .site-logo__img--mobile { display: block; }
  /* Logo centrado en la barra; la hamburguesa queda a la derecha. */
  .site-header__bar { position: relative; justify-content: flex-end; }
  .site-logo { position: absolute; left: 50%; transform: translateX(-50%); }

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

  /* Panel desplegable: isla flotante bajo el header (hace juego con la barra). */
  .site-nav {
    position: fixed;
    top: calc(var(--header-h) + 8px);
    left: var(--space-sm);
    right: var(--space-sm);
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
    transform: translateY(calc(-100% - var(--header-h) - 16px));
    /* Cerrado: fuera del orden de tab y de lectores (oculta tras cerrar). */
    visibility: hidden;
    transition: transform var(--duration) var(--ease), visibility 0s linear var(--duration);
  }
  .site-nav.is-open { transform: translateY(0); visibility: visible; transition-delay: 0s; }
  .site-nav__list {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 0.5rem 1.25rem;
  }
  .site-nav__list li { width: 100%; }
  .site-nav__list a {
    display: block;
    color: var(--color-ink);
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-border);
  }
  .site-nav__list li:last-child a { border-bottom: 0; }
}

@media (max-width: 560px) {
  .ejes__grid { grid-template-columns: 1fr; }
  .hero__inner { max-width: 100%; }
}

/* Iconos (sistema inline SVG) */
.icon { display: inline-block; vertical-align: middle; flex: none; }