/* ============================================================================
   CEC UI · Capa 3 — Home
   ========================================================================== */

/* ---------------------------------------------------------------------------
   Hero (video de fondo)
   ------------------------------------------------------------------------ */
.ui-hero {
  position: relative;
  display: flex;
  align-items: flex-end;
  min-height: clamp(34rem, 82svh, 50rem);
  overflow: hidden;
  background: var(--cec-navy-deep);
}
.ui-hero__media { position: absolute; inset: 0; z-index: 0; }
.ui-hero__poster,
.ui-hero__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/* El video aparece recién cuando empieza a reproducirse: nunca un cuadro negro */
.ui-hero__video { opacity: 0; transition: opacity 0.8s var(--cec-ease-out); }
.ui-hero.is-playing .ui-hero__video { opacity: 1; }
.ui-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(0deg, rgba(2, 10, 61, 0.92) 0%, rgba(2, 10, 61, 0.55) 45%, rgba(2, 10, 61, 0.3) 100%),
    linear-gradient(90deg, rgba(2, 10, 61, 0.55) 0%, transparent 70%);
}
.ui-hero__content {
  position: relative;
  z-index: 2;
  padding-block: 2rem 9rem;
  color: #fff;
}
.ui-hero__title {
  max-width: 17ch;
  margin: 1rem 0 0.75rem;
  font-family: var(--cec-font-display);
  font-size: clamp(2.1rem, 1.5rem + 3.2vw, 4rem);
  font-weight: 700;
  line-height: 1.08;
  color: #fff;
  text-wrap: balance;
}
.ui-hero__lead { max-width: 36rem; margin: 0 0 1.5rem; font-size: 1.05rem; color: rgba(255, 255, 255, 0.9); }
.ui-hero__actions { display: grid; gap: 0.75rem; }

/* Texto del hero: entrada suave */
.ui-hero__content > * { animation: ui-rise 0.7s var(--cec-ease-out) both; }
.ui-hero__content > :nth-child(2) { animation-delay: 0.08s; }
.ui-hero__content > :nth-child(3) { animation-delay: 0.16s; }
.ui-hero__content > :nth-child(4) { animation-delay: 0.24s; }
@keyframes ui-rise { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }

.ui-hero__controls {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 4.75rem;
  z-index: 3;
  display: flex;
  justify-content: flex-end;
}
.ui-hero__btn {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: 50%;
  background: rgba(2, 10, 61, 0.35);
  color: #fff;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  transition: background var(--cec-dur-fast), color var(--cec-dur-fast);
}
.ui-hero__btn:hover,
.ui-hero__btn:focus-visible { background: #fff; color: var(--cec-navy); }

@media (min-width: 576px) {
  .ui-hero__actions { display: flex; flex-wrap: wrap; }
}
@media (min-width: 992px) {
  .ui-hero__content { padding-block: 3rem 11rem; }
  .ui-hero__controls { bottom: 6.5rem; }
}

/* ---------------------------------------------------------------------------
   Estadísticas solapadas
   ------------------------------------------------------------------------ */
.ui-stats { position: relative; z-index: 4; margin-top: -3.5rem; }
.ui-stats__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.ui-stats__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  padding: 1.1rem 0.75rem;
  border: 1px solid var(--cec-line);
  border-radius: var(--ui-radius-md);
  background: #fff;
  box-shadow: var(--ui-shadow-raised);
  text-align: center;
}
.ui-stats__item .cec-stat-number {
  display: block;
  margin-top: 0.4rem;
  font-family: var(--cec-font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--cec-navy);
}
.ui-stats__label { font-size: 0.78rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--cec-text-soft); }
.ui-stats__note { margin: 0.9rem 0 0; font-size: 0.75rem; text-align: center; color: var(--cec-text-soft); }

@media (min-width: 768px) {
  .ui-stats { margin-top: -4.5rem; }
  .ui-stats__grid { grid-template-columns: repeat(4, 1fr); gap: 1rem; }
  .ui-stats__item .cec-stat-number { font-size: 2.6rem; }
}

/* ---------------------------------------------------------------------------
   Cards de nivel: dato clave + "Ver el nivel"
   ------------------------------------------------------------------------ */
.ui-card__facts { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; font-size: 0.85rem; color: var(--cec-text-soft); }
.ui-card__facts i { color: var(--cec-accent-strong); }
.ui-card__go { font-weight: 700; color: var(--cec-navy); }
.ui-card__go i { transition: transform var(--cec-dur-fast) var(--cec-ease-out); }
.ui-card:hover .ui-card__go i { transform: translateX(4px); }

/* ---------------------------------------------------------------------------
   Bienvenida: collage de fotos + sello
   ------------------------------------------------------------------------ */
.ui-prose { color: var(--cec-text-soft); line-height: 1.7; margin-bottom: 1rem; }
.ui-collage { position: relative; padding: 0 0 2.5rem 0; }
.ui-collage__main { margin: 0; border-radius: var(--ui-radius-lg); overflow: hidden; box-shadow: var(--ui-shadow-raised); aspect-ratio: 4 / 3; }
.ui-collage__main img,
.ui-collage__side img { width: 100%; height: 100%; object-fit: cover; }
.ui-collage__side {
  position: absolute;
  right: -0.25rem;
  bottom: 0;
  width: 46%;
  margin: 0;
  border: 5px solid #fff;
  border-radius: var(--ui-radius-md);
  overflow: hidden;
  box-shadow: var(--ui-shadow-raised);
  aspect-ratio: 4 / 3;
}
.ui-collage__seal {
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: grid;
  place-items: center;
  width: 5.5rem;
  height: 5.5rem;
  margin: 0;
  border-radius: 50%;
  background: var(--cec-accent);
  color: var(--cec-on-accent);
  text-align: center;
  line-height: 1.1;
  box-shadow: 0 8px 20px rgba(var(--cec-accent-rgb), 0.5);
}
.ui-collage__seal strong { display: block; font-family: var(--cec-font-display); font-size: 1.8rem; }
.ui-collage__seal span { display: block; max-width: 4rem; margin-top: -1.6rem; font-size: 0.55rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; }

/* ---------------------------------------------------------------------------
   Identidad (bloque oscuro): glass + pilares
   ------------------------------------------------------------------------ */
.ui-icon--glass { border-color: rgba(255, 255, 255, 0.3); background: rgba(255, 255, 255, 0.08); color: var(--cec-accent); }
.ui-glass {
  height: 100%;
  padding: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--ui-radius-md);
  background: rgba(255, 255, 255, 0.07);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}
.ui-glass__title { margin: 1rem 0 0.5rem; font-family: var(--cec-font-display); font-size: 1.5rem; color: #fff; }
.ui-glass__text { margin: 0; color: rgba(255, 255, 255, 0.82); line-height: 1.65; }
.ui-pillars { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin: 0; padding: 0; list-style: none; }
.ui-pillar { padding: 1.1rem 0.9rem; border-top: 3px solid var(--cec-accent); border-radius: 0 0 var(--ui-radius-sm) var(--ui-radius-sm); background: rgba(255, 255, 255, 0.05); }
.ui-pillar__title { margin: 0.75rem 0 0.3rem; font-size: 1.05rem; font-weight: 700; color: #fff; }
.ui-pillar__text { margin: 0; font-size: 0.85rem; color: rgba(255, 255, 255, 0.76); }

@media (min-width: 992px) {
  .ui-pillars { grid-template-columns: repeat(5, 1fr); gap: 1rem; }
  .ui-glass { padding: 2rem; }
}

/* ---------------------------------------------------------------------------
   Vida escolar: tiles con foto
   ------------------------------------------------------------------------ */
.ui-tile {
  position: relative;
  display: flex;
  align-items: flex-end;
  height: 100%;
  min-height: 24rem;
  border-radius: var(--ui-radius-md);
  overflow: hidden;
  color: #fff;
  text-decoration: none;
  box-shadow: var(--ui-shadow);
}
.ui-tile__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.9s var(--cec-ease-out); }
.ui-tile::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(0deg, rgba(2, 10, 61, 0.95) 0%, rgba(2, 10, 61, 0.55) 55%, rgba(2, 10, 61, 0.05) 100%);
}
.ui-tile:hover .ui-tile__img { transform: scale(1.07); }
.ui-tile__body { position: relative; z-index: 2; display: flex; flex-direction: column; align-items: flex-start; gap: 0.5rem; padding: 1.25rem; }
.ui-tile .ui-icon { border-color: rgba(255, 255, 255, 0.45); background: rgba(255, 255, 255, 0.14); color: var(--cec-accent); }
.ui-tile__title { font-family: var(--cec-font-display); font-size: 1.5rem; font-weight: 700; line-height: 1.1; }
.ui-tile__text { font-size: 0.88rem; color: rgba(255, 255, 255, 0.86); }
.ui-tile__go { margin-top: 0.25rem; padding-top: 0.6rem; border-top: 2px solid var(--cec-accent); font-size: 0.85rem; font-weight: 700; }
.ui-tile__go i { transition: transform var(--cec-dur-fast) var(--cec-ease-out); }
.ui-tile:hover .ui-tile__go i { transform: translateX(4px); }

/* ---------------------------------------------------------------------------
   Testimonios
   ------------------------------------------------------------------------ */
.ui-quote {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: 100%;
  margin: 0;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--cec-line);
  border-radius: var(--ui-radius-md);
  background: #fff;
  box-shadow: var(--ui-shadow);
}
.ui-quote__mark { font-size: 1.6rem; color: var(--cec-accent); }
.ui-quote__text { margin: 0; font-family: var(--cec-font-display); font-size: 1.1rem; font-style: italic; line-height: 1.6; color: var(--cec-text); }
.ui-quote__author { display: flex; align-items: center; gap: 0.75rem; margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--cec-line); }
.ui-quote__author strong { display: block; color: var(--cec-navy); }
.ui-quote__author small { color: var(--cec-text-soft); }
.ui-quote__avatar {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 50%;
  background: var(--cec-navy);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---------------------------------------------------------------------------
   FAQ
   ------------------------------------------------------------------------ */
.ui-faq { display: grid; gap: 0.6rem; --bs-accordion-border-width: 0; --bs-accordion-bg: transparent; }
.ui-faq .accordion-item {
  border: 1px solid var(--cec-line);
  border-radius: var(--ui-radius-md) !important;
  background: #fff;
  overflow: hidden;
  transition: border-color var(--cec-dur-fast), background var(--cec-dur-fast);
}
.ui-faq .accordion-item:has(.accordion-button:not(.collapsed)) { border-color: var(--cec-accent); background: var(--cec-accent-soft); }
.ui-faq .accordion-button {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.9rem 1rem;
  background: transparent;
  box-shadow: none;
  color: var(--cec-navy);
  font-weight: 600;
}
.ui-faq .accordion-button:not(.collapsed) { background: transparent; color: var(--cec-navy); }
.ui-faq .accordion-body { padding: 0 1rem 1.1rem 4.3rem; color: var(--cec-text-soft); }
.ui-faq__note { margin: 1.5rem 0 0; font-size: 0.88rem; text-align: center; color: var(--cec-text-soft); }

/* ---------------------------------------------------------------------------
   CTA final (bloque oscuro)
   ------------------------------------------------------------------------ */
.ui-cta { text-align: center; }
.ui-cta__inner { max-width: 46rem; margin-inline: auto; }
.ui-cta__title { margin: 1rem 0 0.75rem; font-family: var(--cec-font-display); font-size: var(--cec-text-4xl); line-height: 1.1; color: #fff; text-wrap: balance; }
.ui-cta__lead { margin: 0 0 1.75rem; color: rgba(255, 255, 255, 0.82); }
.ui-cta__actions { display: grid; gap: 0.75rem; justify-content: center; }
.ui-cta__facts { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem 1.25rem; margin: 1.5rem 0 0; padding: 0; list-style: none; font-size: 0.85rem; color: rgba(255, 255, 255, 0.78); }
.ui-cta__facts i { margin-right: 0.35rem; color: var(--cec-accent); }
@media (min-width: 576px) {
  .ui-cta__actions { display: flex; flex-wrap: wrap; }
}

/* ---------------------------------------------------------------------------
   Accesos rápidos
   ------------------------------------------------------------------------ */
.ui-quick { padding-block: var(--cec-py-compact); }
.ui-quick__title { margin: 0 0 1rem; text-align: center; font-size: 0.8rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--cec-text-soft); }
.ui-quick__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; margin: 0; padding: 0; list-style: none; }
.ui-quick__grid li:last-child:nth-child(odd) { grid-column: 1 / -1; }
.ui-quick__card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  height: 100%;
  padding: 1rem 0.5rem;
  border: 1px solid var(--cec-line);
  border-radius: var(--ui-radius-md);
  background: #fff;
  color: var(--cec-navy);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  transition: transform var(--cec-dur-base) var(--cec-ease-out), box-shadow var(--cec-dur-base) var(--cec-ease-out);
}
.ui-quick__card:hover { transform: translateY(-3px); box-shadow: var(--ui-shadow-raised); }
.ui-quick__card:hover .ui-icon { background: var(--cec-navy); color: #fff; border-color: var(--cec-navy); }
.ui-quick .ui-icon { transition: background var(--cec-dur-fast), color var(--cec-dur-fast); }
@media (min-width: 768px) {
  .ui-quick__grid { grid-template-columns: repeat(5, 1fr); }
  .ui-quick__grid li:last-child:nth-child(odd) { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
  .ui-hero__content > * { animation: none; }
  .ui-hero__video { transition: none; }
  .ui-tile__img,
  .ui-quick__card { transition: none; }
}