/* =========================================================================
   Asociación de Egresados — hoja de estilos propia (design tokens)
   Paleta: tinta (primary), pergamino (fondo), latón (acento), cereza
   académica (secundario) y pino (terciario para categorías).
   Tipografía: Fraunces (titulares, con carácter) + Inter (texto, neutro).
   ========================================================================= */

:root{
  --ink:        #12213A;
  --ink-600:    #1E3354;
  --ink-100:    #E7EAF1;
  --parchment:  #FBF9F4;
  --parchment-200: #F1ECDF;
  --brass:      #B8862E;
  --brass-500:  #C79A44;
  --brass-100:  #F2E4C4;
  --cordovan:   #7A2331;
  --pine:       #2F4B3C;
}

html{ scroll-behavior: smooth; }

body{
  font-family: 'Inter', ui-sans-serif, system-ui, sans-serif;
  background-color: var(--parchment);
  color: var(--ink);
}

.font-display{ font-family: 'Fraunces', ui-serif, Georgia, serif; }

/* Foco de teclado siempre visible (accesibilidad) */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline: 2px solid var(--brass);
  outline-offset: 3px;
}

/* -------------------------------------------------------------------------
   El sello — medallón institucional reutilizado en el logo y en las cifras
   ------------------------------------------------------------------------- */
.seal{
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 9999px;
  background: var(--ink);
  color: var(--brass-100);
  box-shadow: 0 0 0 3px var(--parchment), 0 0 0 4px var(--brass);
}
.seal-light{
  background: var(--parchment);
  color: var(--ink);
  box-shadow: 0 0 0 3px var(--ink), 0 0 0 4px var(--brass);
}

/* -------------------------------------------------------------------------
   Héroe — efecto Ken Burns suave sobre la imagen activa del slider
   ------------------------------------------------------------------------- */
@keyframes kenburns{
  0%   { transform: scale(1.02) translate3d(0,0,0); }
  100% { transform: scale(1.12) translate3d(-1%, -1%, 0); }
}
.swiper-slide-active .hero-bg{
  animation: kenburns 9s ease-out forwards;
}

/* Paginación / flechas de Swiper con la paleta propia */
.swiper-pagination-bullet{
  background: var(--parchment) !important;
  opacity: .55 !important;
  width: 9px !important; height: 9px !important;
  transition: all .25s ease !important;
}
.swiper-pagination-bullet-active{
  background: var(--brass) !important;
  opacity: 1 !important;
  width: 24px !important;
  border-radius: 6px !important;
}
.hero-slider-controls .swiper-pagination-bullet{
  background: rgba(255, 255, 255, 0.45) !important;
  opacity: 1 !important;
  width: 7px !important;
  height: 7px !important;
  margin: 0 !important;
}
.hero-slider-controls .swiper-pagination-bullet-active{
  background: var(--brass) !important;
  width: 18px !important;
  border-radius: 9999px !important;
}
.swiper-button-next, .swiper-button-prev{
  width: 46px !important;
  height: 46px !important;
  border-radius: 9999px !important;
  background: rgba(18, 33, 58, 0.65) !important;
  backdrop-filter: blur(8px) !important;
  -webkit-backdrop-filter: blur(8px) !important;
  border: 1.5px solid rgba(184, 134, 46, 0.45) !important;
  color: #FBF9F4 !important;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3) !important;
  transition: all .25s ease !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transform: translateY(-50%) !important;
}
.swiper-button-next:hover, .swiper-button-prev:hover{
  background: var(--brass) !important;
  color: var(--ink) !important;
  border-color: var(--brass) !important;
  transform: translateY(-50%) scale(1.08) !important;
}
/* Ocultar el texto feo por defecto de Swiper (content: "prev" / "next") */
.swiper-button-next::after, .swiper-button-prev::after{
  display: none !important;
  content: "" !important;
}

/* -------------------------------------------------------------------------
   Cinta de convenios — marquesina continua en CSS puro
   ------------------------------------------------------------------------- */
.marquee-track{
  display: flex;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.marquee-wrap:hover .marquee-track{ animation-play-state: paused; }
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* -------------------------------------------------------------------------
   Línea de tiempo institucional
   ------------------------------------------------------------------------- */
.timeline-line{
  background-image: linear-gradient(var(--brass-100), var(--brass-100));
  background-size: 2px 100%;
  background-repeat: no-repeat;
  background-position: center;
}
.timeline-dot{
  box-shadow: 0 0 0 4px var(--parchment);
}

/* -------------------------------------------------------------------------
   Acordeón de preguntas frecuentes
   ------------------------------------------------------------------------- */
.faq-answer{
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .3s ease;
}
.faq-answer > div{ overflow: hidden; }
.faq-item[data-open="true"] .faq-answer{ grid-template-rows: 1fr; }
.faq-item[data-open="true"] .faq-chevron{ transform: rotate(45deg); }
.faq-chevron{ transition: transform .25s ease; }

/* -------------------------------------------------------------------------
   Encabezado fijo — leve sombra al hacer scroll (clase añadida por JS)
   ------------------------------------------------------------------------- */
#site-header{ transition: box-shadow .2s ease, background-color .2s ease; }
#site-header.is-scrolled{ box-shadow: 0 6px 24px -12px rgba(18,33,58,.45); }

/* -------------------------------------------------------------------------
   Botón volver arriba
   ------------------------------------------------------------------------- */
#back-to-top{
  opacity: 0; pointer-events: none; transform: translateY(8px);
  transition: opacity .2s ease, transform .2s ease;
}
#back-to-top.is-visible{ opacity: 1; pointer-events: auto; transform: translateY(0); }

/* -------------------------------------------------------------------------
   Tarjeta de publicación — cinta de categoría estilo distintivo/listón
   ------------------------------------------------------------------------- */
.ribbon-tag{
  position: relative;
  padding-left: .6rem;
}
.ribbon-tag::before{
  content: "";
  position: absolute; left: 0; top: .15em; bottom: .15em; width: 3px;
  background: var(--brass);
}

/* Line-clamp utilitario (evita depender de plugin Tailwind extra) */
.clamp-2{ display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.clamp-3{ display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }

/* -------------------------------------------------------------------------
   Accesibilidad: respeta "reducir movimiento" del sistema operativo
   ------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  .marquee-track{ animation: none; }
  .swiper-slide-active .hero-bg{ animation: none; }
  *{ transition-duration: .001ms !important; animation-duration: .001ms !important; }
}