/* ============================================================
   RESET Y BASE
============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #1e1e2e;
  background-color: #ffffff;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ============================================================
   VARIABLES DE COLOR
============================================================ */
:root {
  --color-primary:       #1a3a5c;
  --color-primary-dark:  #122a4a;
  --color-secondary:     #2e7d32;
  --color-accent:        #FF537C;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f5f7fa;
  --color-text:          #1e1e2e;
  --color-text-muted:    #555e7a;
  --color-border:        #e0e4ef;
  --color-shadow:        rgba(0,0,0,0.08);
  --color-shadow-hover:  rgba(0,0,0,0.14);

  --color-bio:   #2e7d32;
  --color-qui:   #6a1b9a;
  --color-mat:   #1565c0;
  --color-fis:   #e65100;

  --color-estado-proxima:    #1565c0;
  --color-estado-disponible: #2e7d32;
  --color-estado-finalizada: #9e9e9e;

  --radius:    8px;
  --radius-sm: 4px;
  --container: 1200px;
  --section-gap: 80px;
}

/* ============================================================
   UTILIDADES
============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section { padding: var(--section-gap) 0; }
.section--alt { background-color: var(--color-bg-alt); }

.section__header {
  text-align: center;
  margin-bottom: 48px;
}

.section__title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.section__subtitle {
  font-size: 1.0625rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.text-center { text-align: center; }
.text-muted   { color: var(--color-text-muted); }

/* ============================================================
   CHIPS / ETIQUETAS
============================================================ */
.chip {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.chip--bio { background: #e8f5e9; color: var(--color-bio); }
.chip--qui { background: #f3e5f5; color: var(--color-qui); }
.chip--mat { background: #e3f2fd; color: var(--color-mat); }
.chip--fis { background: #fff3e0; color: var(--color-fis); }

.chip--proxima    { background: #e3f2fd; color: var(--color-estado-proxima); }
.chip--disponible { background: #e8f5e9; color: var(--color-estado-disponible); }
.chip--finalizada { background: #f5f5f5; color: var(--color-estado-finalizada); }

.chip--nivel { background: #f0f2f8; color: var(--color-text-muted); }
.chip--tipo  { background: #fafafa; color: var(--color-text-muted); border: 1px solid var(--color-border); }

/* ============================================================
   BOTONES
============================================================ */
.btn {
  display: inline-block;
  padding: 10px 22px;
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
  text-align: center;
}

.btn--primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn--primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); }

.btn--outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn--outline:hover { background: var(--color-primary); color: #fff; }

.btn--white { background: #fff; color: var(--color-primary); border-color: #fff; }
.btn--white:hover { background: #e8edf5; }

.btn--outline-white { background: transparent; color: #fff; border-color: #fff; }
.btn--outline-white:hover { background: rgba(255,255,255,0.15); }

.btn--sm { padding: 6px 14px; font-size: 0.875rem; }

.btn--bio { background: var(--color-bio); color: #fff; border-color: var(--color-bio); }
.btn--qui { background: var(--color-qui); color: #fff; border-color: var(--color-qui); }
.btn--mat { background: var(--color-mat); color: #fff; border-color: var(--color-mat); }
.btn--fis { background: var(--color-fis); color: #fff; border-color: var(--color-fis); }

/* ============================================================
   TARJETAS
============================================================ */
.card {
  background: var(--color-bg);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px var(--color-shadow);
  padding: 24px;
  transition: box-shadow 0.2s;
}
.card:hover { box-shadow: 0 4px 16px var(--color-shadow-hover); }

.card--area { border-top: 4px solid var(--color-border); }
.card--area.card--bio { border-top-color: var(--color-bio); }
.card--area.card--qui { border-top-color: var(--color-qui); }
.card--area.card--mat { border-top-color: var(--color-mat); }
.card--area.card--fis { border-top-color: var(--color-fis); }

.card--clase {
  display: flex;
  gap: 0;
  border-left: 5px solid var(--color-border);
  padding: 0;
  overflow: hidden;
}
.card--clase.card--bio { border-left-color: var(--color-bio); }
.card--clase.card--qui { border-left-color: var(--color-qui); }
.card--clase.card--mat { border-left-color: var(--color-mat); }
.card--clase.card--fis { border-left-color: var(--color-fis); }

.card--clase .clase-body { padding: 18px 20px; flex: 1; }
.card--clase .clase-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 8px; align-items: center; }
.card--clase .clase-titulo { font-size: 1.0625rem; font-weight: 700; color: var(--color-primary); margin-bottom: 6px; }
.card--clase .clase-info { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 12px; }
.card--clase .clase-acciones { display: flex; gap: 10px; flex-wrap: wrap; }

.card--recurso .recurso-icon { font-size: 2rem; margin-bottom: 12px; }
.card--recurso .recurso-meta { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; margin-top: 8px; }
.card--recurso .recurso-titulo { font-size: 1rem; font-weight: 700; color: var(--color-primary); margin-bottom: 6px; }
.card--recurso .recurso-desc { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 14px; line-height: 1.5; }

.card--equipo { text-align: center; }
.card--equipo .equipo-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--color-bg-alt); margin: 0 auto 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 2rem; color: var(--color-primary); border: 3px solid var(--color-border);
  overflow: hidden;
}
.card--equipo .equipo-nombre { font-size: 1rem; font-weight: 700; color: var(--color-primary); margin-bottom: 4px; }
.card--equipo .equipo-rol { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 8px; }
.card--equipo .equipo-areas { display: flex; gap: 6px; justify-content: center; flex-wrap: wrap; }

.card--testimonio { background: var(--color-bg); border-radius: var(--radius); padding: 28px; position: relative; }
.card--testimonio::before {
  content: '\201C'; font-size: 4rem; color: var(--color-border);
  position: absolute; top: 10px; left: 20px; line-height: 1;
}
.card--testimonio .testimonio-texto { font-size: 0.9375rem; line-height: 1.7; color: var(--color-text); font-style: italic; margin-bottom: 16px; padding-top: 20px; }
.card--testimonio .testimonio-autor { font-size: 0.875rem; font-weight: 700; color: var(--color-primary); }
.card--testimonio .testimonio-rol { font-size: 0.8125rem; color: var(--color-text-muted); }

/* ============================================================
   HEADER / NAVEGACIÓN
============================================================ */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: #fff;
  border-bottom: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  box-shadow: 0 2px 10px rgba(0,0,0,0.15);
}

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
  max-width: var(--container); margin: 0 auto;
}

.header-logo {
  display: flex; align-items: center;
}
.header-logo img { height: 48px; width: auto; display: block; }

.header-nav { display: flex; align-items: center; gap: 4px; }
.header-nav a {
  color: #2d3748; font-size: 0.9rem; font-weight: 500;
  padding: 6px 14px; border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.header-nav a:hover { background: #f0f4f8; color: var(--color-primary); }
.header-nav a.active { background: #e8f0fb; color: var(--color-primary); font-weight: 600; }

.nav-toggle {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; color: var(--color-primary); font-size: 1.5rem;
}

/* ============================================================
   HERO CAROUSEL  (posición absoluta + fade — sin flex)
============================================================ */
.hero {
  padding: 0;
  position: relative;
  background: var(--color-primary);
  color: #fff;
}

/* Contenedor con altura fija y recorte */
.hero-carousel {
  position: relative;
  height: 520px;
  overflow: hidden;
}

/* El track solo actúa como ancla para los slides absolutos */
.carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ── Cada slide: ocupa el 100% del contenedor, apilados ── */
.carousel-slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--color-primary) 0%, #0d2540 100%);
  /* oculto por defecto */
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.85s ease-in-out;
  z-index: 0;
}
/* Slide visible */
.carousel-slide.is-active {
  opacity: 1;
  pointer-events: auto;
  z-index: 1;
}

.carousel-slide-bg {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
}
.carousel-slide-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: linear-gradient(to right,
    rgba(1,31,38,0.80) 0%,
    rgba(1,31,38,0.55) 45%,
    rgba(1,31,38,0.20) 75%,
    rgba(1,31,38,0.02) 100%);
}

/* Contenido del slide */
.hero-content {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
.hero-eyebrow  { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.65); margin-bottom: 16px; }
.hero-title    { font-size: clamp(2rem, 5vw, 3rem); font-weight: 700; line-height: 1.2; margin-bottom: 20px; max-width: 680px; color: #fff; }
.hero-subtitle { font-size: 1.125rem; color: rgba(255,255,255,0.82); max-width: 600px; line-height: 1.65; margin-bottom: 36px; }
.hero-actions  { display: flex; gap: 14px; flex-wrap: wrap; }

/* Flechas prev / next */
.carousel-btn {
  position: absolute;
  top: 50%; transform: translateY(-50%);
  z-index: 30;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,0.14);
  border: 2px solid rgba(255,255,255,0.30);
  color: #fff; font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  line-height: 1;
}
.carousel-btn:hover { background: rgba(255,255,255,0.30); border-color: rgba(255,255,255,0.60); }
.carousel-btn--prev { left: 20px; }
.carousel-btn--next { right: 20px; }

/* Dots */
.carousel-dots {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 8px; z-index: 20; list-style: none;
}
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: rgba(255,255,255,0.38); border: none; padding: 0;
  cursor: pointer; transition: background 0.25s, transform 0.25s;
}
.carousel-dot.active { background: #fff; transform: scale(1.4); }

/* Progress bar */
.carousel-progress {
  position: absolute; bottom: 0; left: 0; height: 3px;
  background: var(--color-accent); z-index: 20;
  width: 0%; transition: width 0.1s linear;
}

/* Banner interior de páginas (reemplaza el hero completo) */
.page-banner {
  background: linear-gradient(135deg, var(--color-primary) 0%, #0d2540 100%);
  color: #fff; padding: 56px 0 48px;
}
.page-banner .page-banner__eyebrow { font-size: 0.8125rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(255,255,255,0.6); margin-bottom: 12px; }
.page-banner .page-banner__title { font-size: clamp(1.5rem, 3vw, 2.25rem); font-weight: 700; margin-bottom: 10px; }
.page-banner .page-banner__desc { font-size: 1rem; color: rgba(255,255,255,0.8); max-width: 560px; }

/* ============================================================
   PILARES
============================================================ */
.pilares-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.pilar-item { text-align: center; padding: 28px 16px; }
.pilar-icon { font-size: 2.5rem; margin-bottom: 14px; }
.pilar-img {
  width: 88px; height: 88px; margin: 0 auto 16px;
  border-radius: 16px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  background: var(--color-bg-alt);
  box-shadow: 0 4px 16px rgba(0,0,0,0.10);
}
.pilar-img img { width: 100%; height: 100%; object-fit: contain; display: block; }
.pilar-titulo { font-size: 1rem; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.pilar-desc { font-size: 0.875rem; color: var(--color-text-muted); line-height: 1.5; }

/* ============================================================
   ÁREAS
============================================================ */
.area-card-icon   { font-size: 2.5rem; margin-bottom: 14px; }
.area-card-nombre { font-size: 1.1875rem; font-weight: 700; color: var(--color-primary); margin-bottom: 8px; }
.area-card-desc   { font-size: 0.875rem; color: var(--color-text-muted); margin-bottom: 20px; line-height: 1.55; }
.area-card-sesiones { font-size: 0.8125rem; color: var(--color-text-muted); margin-bottom: 16px; }

/* ============================================================
   AGENDA
============================================================ */
.agenda-lista { display: flex; flex-direction: column; gap: 16px; }

/* ============================================================
   RECURSOS
============================================================ */
.recursos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

/* ============================================================
   FILTROS
============================================================ */
.filtros-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 32px; align-items: center; }
.filtros-bar label { font-size: 0.875rem; font-weight: 600; color: var(--color-text-muted); margin-right: 4px; }

.filtro-btn {
  display: inline-block; padding: 6px 14px; border-radius: 20px;
  border: 1.5px solid var(--color-border); background: var(--color-bg);
  color: var(--color-text-muted); font-size: 0.8125rem; font-weight: 600;
  cursor: pointer; transition: all 0.15s;
}
.filtro-btn:hover,
.filtro-btn.active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ============================================================
   IMPACTO
============================================================ */
.impacto-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.impacto-item { padding: 24px 16px; }
.impacto-numero { font-size: 2.5rem; font-weight: 700; color: var(--color-primary); line-height: 1; margin-bottom: 8px; }
.impacto-label  { font-size: 0.9rem; color: var(--color-text-muted); }

/* ============================================================
   CTA
============================================================ */
.cta-section { background: var(--color-primary); color: #fff; padding: 64px 0; text-align: center; }
.cta-titulo { font-size: 1.75rem; font-weight: 700; margin-bottom: 14px; }
.cta-desc { font-size: 1.0625rem; color: rgba(255,255,255,0.8); max-width: 540px; margin: 0 auto 28px; }
.cta-acciones { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   FORMULARIO
============================================================ */
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.875rem; font-weight: 600; color: var(--color-primary); margin-bottom: 6px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: 10px 14px; border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm); font-family: inherit; font-size: 0.9375rem;
  color: var(--color-text); background: var(--color-bg); transition: border-color 0.15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { outline: none; border-color: var(--color-primary); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-aviso { font-size: 0.8125rem; color: var(--color-text-muted); margin-top: 12px; }

/* ============================================================
   FAQ
============================================================ */
.faq-item { border-bottom: 1px solid var(--color-border); }
.faq-pregunta {
  width: 100%; text-align: left; background: none; border: none; padding: 16px 0;
  font-size: 0.9375rem; font-weight: 600; color: var(--color-primary); cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.faq-pregunta .faq-icon { flex-shrink: 0; font-size: 1.2rem; color: var(--color-text-muted); transition: transform 0.2s; }
.faq-pregunta[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }
.faq-respuesta { font-size: 0.9rem; color: var(--color-text-muted); line-height: 1.65; max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.2s; }
.faq-respuesta.open { max-height: 300px; padding-bottom: 16px; }

/* ============================================================
   CONTACTO INFO
============================================================ */
.contacto-info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 48px; }
.contacto-info-item { text-align: center; padding: 28px 20px; background: var(--color-bg); border-radius: var(--radius); box-shadow: 0 2px 8px var(--color-shadow); }
.contacto-info-icon { font-size: 2rem; margin-bottom: 12px; }
.contacto-info-titulo { font-size: 0.875rem; font-weight: 700; color: var(--color-primary); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.04em; }
.contacto-info-valor { font-size: 0.9375rem; color: var(--color-text-muted); }

/* ============================================================
   FOOTER
============================================================ */
.site-footer { background: #0d1f33; color: rgba(255,255,255,0.7); padding: 48px 0 24px; }

.footer-grid { display: grid; grid-template-columns: 1.8fr 1fr 1fr; gap: 48px; margin-bottom: 36px; align-items: start; }

/* Marca */
.footer-logo-link { display: inline-block; margin-bottom: 20px; }
.footer-logo-img { height: 70px; width: auto; filter: brightness(0) invert(1); opacity: 0.9; display: block; }
.footer-brand-desc { font-size: 0.875rem; line-height: 1.65; color: rgba(255,255,255,0.55); max-width: 280px; }

/* Columnas */
.footer-col-title { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.09em; color: rgba(255,255,255,0.4); margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { font-size: 0.875rem; color: rgba(255,255,255,0.6); line-height: 1.5; }
.footer-links li + li { margin-top: 8px; }

/* Redes sociales */
.footer-social-links { display: flex; flex-direction: column; gap: 12px; }
.footer-social-link {
  display: flex; align-items: center; gap: 10px;
  color: rgba(255,255,255,0.65); text-decoration: none;
  font-size: 0.875rem; transition: color 0.2s;
}
.footer-social-link:hover { color: #fff; }
.footer-social-handle { font-size: 0.8rem; color: rgba(255,255,255,0.38); margin-left: 2px; }

/* Barra inferior */
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px; }
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.35); }

/* ============================================================
   UTILIDADES DE PÁGINA
============================================================ */
.page-anchor { padding-top: 80px; margin-top: -80px; }

.ver-mas-link { font-size: 0.9rem; font-weight: 600; color: var(--color-primary); display: inline-flex; align-items: center; gap: 6px; margin-top: 28px; transition: gap 0.15s; }
.ver-mas-link:hover { gap: 10px; text-decoration: underline; }

.section-footer { text-align: center; margin-top: 40px; }

.divider { border: none; border-top: 1px solid var(--color-border); margin: 0; }

.aviso { background: #e8f0fb; border-left: 4px solid var(--color-mat); padding: 14px 18px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-size: 0.875rem; color: var(--color-primary); margin-top: 24px; }
.aviso a { font-weight: 600; text-decoration: underline; }

/* Estado vacío al filtrar */
.empty-state { text-align: center; padding: 48px 24px; color: var(--color-text-muted); font-size: 0.9375rem; }

/* ============================================================
   RESPONSIVE — TABLET (< 1024px)
============================================================ */
@media (max-width: 1024px) {
  .pilares-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .impacto-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .footer-brand { grid-column: 1 / -1; }
}

/* ============================================================
   RESPONSIVE — MÓVIL (< 768px)
============================================================ */
@media (max-width: 768px) {
  :root { --section-gap: 52px; }

  .header-nav { display: none; }
  .nav-toggle  { display: block; }

  .header-nav.open {
    display: flex; flex-direction: column;
    position: absolute; top: 64px; left: 0; right: 0;
    background: #fff;
    border-bottom: 1px solid rgba(0,0,0,0.08);
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    padding: 12px 16px; gap: 2px; z-index: 999;
  }
  .header-nav.open a { padding: 10px 12px; color: #2d3748; }

  .hero-carousel { height: 420px; }
  .carousel-btn { display: none; }
  .hero-title { font-size: 1.75rem; }
  .page-banner { padding: 40px 0 32px; }

  .grid-2, .grid-3, .grid-4, .pilares-grid,
  .recursos-grid, .impacto-grid, .contacto-info-grid { grid-template-columns: 1fr; }

  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-brand-desc { max-width: 100%; }
  .footer-logo-img { height: 52px; }
  .footer-bottom { flex-direction: column; text-align: center; }

  .hero-actions { flex-direction: column; }
  .hero-actions .btn { text-align: center; }
  .filtros-bar { gap: 8px; }
  .cta-acciones { flex-direction: column; align-items: center; }
  .card--clase .clase-acciones { flex-direction: column; }
}