/* =================================================================
   ALFABETIZACIÓN TECNOLÓGICA · Material Educativo v2.0
   Estilos completos — accesibles, responsivos, con modo alto contraste
   ================================================================= */

/* ============================================================
   TOKENS Y VARIABLES
   ============================================================ */
:root {
  /* Paleta */
  --vinotinto:        #7C1D1D;
  --vinotinto-light:  #A03333;
  --vinotinto-soft:   rgba(124, 29, 29, 0.08);
  --vinotinto-mid:    rgba(124, 29, 29, 0.18);
  --crema:            #FAF6EE;
  --crema-dark:       #F2EBDA;
  --crema-mid:        #EDE5D4;
  --dorado:           #B8893A;
  --dorado-light:     #D4B27A;
  --tinta:            #1A1A1A;
  --tinta-soft:       #4A4642;
  --gris:             #7A736A;
  --gris-light:       #D8D2C5;
  --verde-ok:         #2D7D5A;
  --rojo-error:       #C04444;
  --amarillo:         #E8B547;
  --azul:             #2C6BB0;
  --azul-soft:        rgba(44, 107, 176, 0.1);

  /* Sombras */
  --shadow-sm:  0 2px 8px rgba(26, 26, 26, 0.06);
  --shadow-md:  0 8px 24px rgba(26, 26, 26, 0.10);
  --shadow-lg:  0 20px 60px rgba(26, 26, 26, 0.15);

  /* Radios */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;

  /* Tipografía */
  --serif: "Fraunces", Georgia, serif;
  --sans:  "Inter", system-ui, sans-serif;

  /* Transiciones */
  --transition: 0.25s ease;

  /* Escala de fuente (controlada por JS) */
  --font-scale: 1;
}

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

html {
  scroll-behavior: smooth;
  font-size: calc(16px * var(--font-scale));
}

body {
  font-family: var(--sans);
  background: var(--crema);
  color: var(--tinta);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; }
ul { list-style: none; }

/* ============================================================
   ACCESIBILIDAD
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--vinotinto);
  color: var(--crema);
  padding: 12px 20px;
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  font-weight: 600;
  z-index: 9999;
  text-decoration: none;
  transition: top 0.2s;
}
.skip-link:focus { top: 0; }

:focus-visible {
  outline: 3px solid var(--dorado);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   MODO ALTO CONTRASTE
   ============================================================ */
.high-contrast {
  --vinotinto:       #5C0000;
  --vinotinto-light: #800000;
  --vinotinto-soft:  rgba(92, 0, 0, 0.12);
  --crema:           #FFFFFF;
  --crema-dark:      #F5F5F5;
  --crema-mid:       #ECECEC;
  --tinta:           #000000;
  --tinta-soft:      #111111;
  --gris:            #444444;
  --gris-light:      #BBBBBB;
  --dorado:          #7A5A00;
  --dorado-light:    #8B6914;
}
.high-contrast body { background: #FFFFFF; }

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(250, 246, 238, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--gris-light);
  padding: 12px 0;
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Brand */
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--vinotinto);
  font-variation-settings: "SOFT" 30, "WONK" 0;
  flex-shrink: 0;
}
.brand-icon {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
}
.brand-text { line-height: 1.2; }
.brand-text small {
  display: block;
  font-family: var(--sans);
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--gris);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Nav */
/* El menú arranca junto al logo; las herramientas quedan a la derecha */
.nav {
  display: flex;
  align-items: center;
  flex: 1;
  --nav-dur: 0.42s;
}
.nav-grupo {
  display: flex;
  align-items: center;
}
.nav-btn, .nav-nivel {
  font-size: 0.87rem;
  font-weight: 500;
  color: var(--tinta-soft);
  background: transparent;
  border: none;
  padding: 8px 13px;
  margin: 0 1px;
  border-radius: 999px;
  white-space: nowrap;
  overflow: hidden;
  max-width: 14em;
  /* --i escalona cuándo se recoge o despliega cada botón al cambiar de nivel */
  --retraso: calc(var(--i, 0) * 35ms);
  transition: background-color var(--transition), color var(--transition),
              max-width var(--nav-dur) ease var(--retraso), padding var(--nav-dur) ease var(--retraso),
              margin var(--nav-dur) ease var(--retraso), opacity calc(var(--nav-dur) * 0.6) ease var(--retraso);
}
/* Botón "Nivel N" que guarda los botones de un nivel recogido */
.nav-nivel {
  font-weight: 600;
  color: var(--vinotinto);
  border: 1.5px solid var(--vinotinto);
  padding: 6.5px 13px;
}
.nav-nivel:hover {
  background: var(--vinotinto);
  color: var(--crema);
}
/* Lo que se recoge: los botones del nivel inactivo y el botón "Nivel N" del nivel activo */
.nav[data-nivel="2"] [data-grupo="3"] .nav-btn,
.nav[data-nivel="3"] [data-grupo="2"] .nav-btn,
.nav[data-nivel="2"] [data-grupo="2"] .nav-nivel,
.nav[data-nivel="3"] [data-grupo="3"] .nav-nivel {
  max-width: 0;
  min-width: 0;
  padding-left: 0;
  padding-right: 0;
  margin: 0;
  border-width: 0;
  opacity: 0;
  pointer-events: none;
}
.nav.sin-animacion .nav-btn, .nav.sin-animacion .nav-nivel { transition: none; }
@media (prefers-reduced-motion: reduce) {
  .nav-btn, .nav-nivel { transition: none; }
}
.nav-btn:hover {
  background: var(--vinotinto-soft);
  color: var(--vinotinto);
}
.nav-btn.active {
  background: var(--vinotinto);
  color: var(--crema);
}

/* Herramientas de accesibilidad */
.header-tools {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-shrink: 0;
  border-left: 1px solid var(--gris-light);
  padding-left: 12px;
  margin-left: 4px;
}
.tool-btn {
  background: transparent;
  border: 1.5px solid var(--gris-light);
  color: var(--tinta-soft);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 6px 9px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}
.tool-btn:hover {
  border-color: var(--vinotinto);
  color: var(--vinotinto);
}
.tool-btn[aria-pressed="true"] {
  background: var(--vinotinto);
  color: var(--crema);
  border-color: var(--vinotinto);
}

/* Botón hamburguesa */
.menu-toggle {
  display: none;
  background: transparent;
  border: none;
  padding: 8px;
  color: var(--vinotinto);
  border-radius: var(--radius-sm);
}

@media (max-width: 1180px) {
  .menu-toggle { display: flex; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--crema);
    flex-direction: column;
    padding: 12px;
    gap: 2px;
    border-bottom: 1px solid var(--gris-light);
    box-shadow: var(--shadow-md);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease;
    z-index: 100;
  }
  .nav.open { max-height: 700px; }
  .nav-btn { width: 100%; text-align: left; padding: 12px 16px; border-radius: var(--radius-sm); min-height: 44px; }
  /* Menú desplegable: los niveles en columna, y lo recogido simplemente no se muestra */
  .nav-grupo { flex-direction: column; align-items: stretch; width: 100%; }
  .nav-btn, .nav-nivel { max-width: none; margin: 0; }
  .nav-nivel { width: 100%; text-align: left; padding: 10.5px 16px; border-radius: var(--radius-sm); min-height: 44px; margin-top: 6px; }
  .nav[data-nivel="2"] [data-grupo="3"] .nav-btn,
  .nav[data-nivel="3"] [data-grupo="2"] .nav-btn,
  .nav[data-nivel="2"] [data-grupo="2"] .nav-nivel,
  .nav[data-nivel="3"] [data-grupo="3"] .nav-nivel { display: none; }
  /* brand empuja las tools a la derecha, hamburger va al final */
  .header-inner { flex-wrap: nowrap; }
  .brand { margin-right: auto; }
  .header-tools {
    order: 2;
    margin-left: 0;
    border-left: none;
    padding-left: 0;
  }
  .menu-toggle { order: 3; }
  .brand { font-size: 1rem; }
  .brand-text small { display: none; }
}

/* ============================================================
   SECCIONES
   ============================================================ */
.section {
  display: none;
  max-width: 1280px;
  margin: 0 auto;
  padding: 48px 24px 100px;
  animation: fadeUp 0.35s ease;
}
.section.active { display: block; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 600;
  color: var(--vinotinto);
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin-bottom: 12px;
  font-variation-settings: "SOFT" 30, "WONK" 0;
}
.section-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--tinta-soft);
  max-width: 760px;
  margin-bottom: 48px;
  line-height: 1.55;
}

/* ============================================================
   HERO (INICIO)
   ============================================================ */
.hero {
  text-align: center;
  padding: 60px 24px 40px;
  max-width: 900px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-size: 0.73rem;
  font-weight: 600;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 24px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-eyebrow::before, .hero-eyebrow::after {
  content: "";
  width: 28px;
  height: 1.5px;
  background: var(--dorado);
}
.hero h1 {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7vw, 5rem);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--vinotinto);
  font-variation-settings: "SOFT" 30, "WONK" 0;
  margin-bottom: 24px;
}
.hero h1 em {
  font-style: italic;
  color: var(--tinta);
  font-variation-settings: "SOFT" 100, "WONK" 1;
}
.hero-sub {
  font-family: var(--serif);
  font-style: italic;
  font-size: clamp(1.05rem, 2.2vw, 1.35rem);
  color: var(--tinta-soft);
  max-width: 680px;
  margin: 0 auto 40px;
  line-height: 1.55;
}
.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

/* CTAs */
.cta {
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 999px;
  transition: all var(--transition);
  border: 2px solid transparent;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.cta-primary  { background: var(--vinotinto); color: var(--crema); }
.cta-primary:hover  { background: var(--tinta); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cta-secondary { background: transparent; color: var(--vinotinto); border-color: var(--vinotinto); }
.cta-secondary:hover { background: var(--vinotinto); color: var(--crema); }
.cta-ghost { background: transparent; color: var(--tinta-soft); border-color: var(--gris-light); }
.cta-ghost:hover { border-color: var(--vinotinto); color: var(--vinotinto); }

/* ---- Banda institucional en el hero ---- */
.hero-instituciones {
  margin-top: 44px;
  padding-top: 32px;
  border-top: 1px solid var(--gris-light);
}
.hero-inst-label {
  display: block;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 18px;
}
.hero-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  flex-wrap: wrap;
}
.hero-logos-sep {
  width: 1px;
  height: 44px;
  background: var(--gris-light);
  margin: 0 28px;
  flex-shrink: 0;
}

/* UCV — sello con fondo blanco, se ve bien tal cual */
.hero-logo { height: 56px; width: auto; transition: all 0.3s ease; }
.hero-logo:hover { transform: scale(1.06); }

/* UCV: circular, se ve bien directo */
.hero-logo--ucv { height: 64px; }

/* Facultad: colores naturales */
.hero-logo--facu { height: 48px; }

/* Escuela de Computación: logo azul original */
.hero-logo--escuela { height: 56px; }

/* Chacao: escudo naranja/negro — colores originales */
.hero-logo--chacao { height: 52px; }

@media (max-width: 900px) {
  .hero-logos-sep { margin: 0 20px; height: 36px; }
  .hero-logo--ucv { height: 54px; }
  .hero-logo { height: 46px; }
  .hero-logo--facu { height: 40px; }
}
@media (max-width: 600px) {
  .hero-instituciones { margin-top: 32px; padding-top: 24px; }
  .hero-logos { gap: 4px; }
  .hero-logos-sep { display: none; }       /* sin separadores, todos en fila */
  .hero-logos { gap: 16px; }
  .hero-logo--ucv { height: 46px; }
  .hero-logo { height: 38px; }
  .hero-logo--facu { height: 34px; }
  .hero-logo--chacao { height: 40px; }
}
@media (max-width: 400px) {
  .hero-logos { gap: 12px; }
  .hero-logo--ucv { height: 40px; }
  .hero-logo { height: 32px; }
}

/* Stats bar */
.stats {
  max-width: 1100px;
  margin: 40px auto 64px;
  padding: 0 24px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0;
  border-top: 2px solid var(--tinta);
  border-bottom: 2px solid var(--tinta);
}
.stat {
  padding: 28px 16px;
  text-align: center;
  border-right: 1px solid var(--gris-light);
}
.stat:last-child { border-right: none; }
.stat-num {
  font-family: var(--serif);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--vinotinto);
  line-height: 1;
  letter-spacing: -0.02em;
}
.stat-num sup { font-size: 1.2rem; color: var(--dorado); }
.stat-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gris);
  margin-top: 8px;
}
@media (max-width: 600px) {
  .stat { border-right: none; border-bottom: 1px solid var(--gris-light); }
  .stat:last-child { border-bottom: none; }
}

/* Tarjetas de acceso rápido en Inicio */
.inicio-cards {
  max-width: 960px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}
.inicio-card {
  background: white;
  padding: 28px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  text-decoration: none;
  color: inherit;
}
.inicio-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--vinotinto-soft);
}
.inicio-card-icon { font-size: 2.2rem; margin-bottom: 14px; line-height: 1; }
.inicio-card h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--vinotinto);
  margin-bottom: 8px;
}
.inicio-card p { font-size: 0.92rem; color: var(--tinta-soft); line-height: 1.55; }

/* ============================================================
   CARTEL DEL PROGRAMA
   ============================================================ */
.cartel-showcase {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 40px;
  background: white;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--crema-mid);
  padding: 28px 36px;
  box-shadow: var(--shadow-sm);
}
.cartel-preview {
  flex-shrink: 0;
  width: 240px;
}
.cartel-preview a {
  display: block;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.cartel-img {
  width: 100%;
  display: block;
  transition: transform 0.3s ease;
}
.cartel-overlay {
  position: absolute;
  inset: 0;
  background: rgba(124, 29, 29, 0.75);
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.cartel-preview a:hover .cartel-overlay { opacity: 1; }
.cartel-preview a:hover .cartel-img { transform: scale(1.03); }
.cartel-preview a:focus-visible { outline: 2px solid var(--vinotinto); outline-offset: 3px; }
.cartel-info { flex: 1; }
.cartel-titulo {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--vinotinto);
  margin-bottom: 8px;
}
.cartel-desc {
  font-size: 0.92rem;
  color: var(--tinta-soft);
  line-height: 1.6;
  margin-bottom: 20px;
}
.cartel-btns {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.cartel-btns .cta {
  font-size: 0.88rem;
  padding: 10px 18px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  text-decoration: none;
}
@media (max-width: 640px) {
  .cartel-showcase {
    flex-direction: column;
    padding: 22px 20px;
    gap: 24px;
  }
  .cartel-preview { width: 100%; max-width: 240px; margin: 0 auto; }
}

/* ============================================================
   PROGRESO DE MÓDULOS
   ============================================================ */
.progress-banner {
  background: white;
  border-radius: var(--radius-md);
  padding: 16px 24px;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gris-light);
}
.progress-bar-wrap {
  flex: 1;
  height: 10px;
  background: var(--crema-dark);
  border-radius: 999px;
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--vinotinto), var(--dorado));
  border-radius: 999px;
  transition: width 0.5s ease;
}
.progress-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tinta-soft);
  white-space: nowrap;
}

/* ============================================================
   MÓDULOS (TEMARIO)
   ============================================================ */
.modulos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
  margin-bottom: 60px;
}
.modulo-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}
.modulo-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--vinotinto-soft);
}
.modulo-card.expanded {
  border-color: var(--vinotinto);
  grid-column: 1 / -1;
  background: linear-gradient(135deg, white 0%, var(--crema-dark) 100%);
}
.modulo-card.completado::after {
  content: "✓";
  position: absolute;
  top: 14px;
  right: 16px;
  width: 26px;
  height: 26px;
  background: var(--verde-ok);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  line-height: 26px;
  text-align: center;
}
.modulo-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 2.4rem;
  color: var(--dorado);
  line-height: 1;
  font-variation-settings: "SOFT" 80, "WONK" 1;
  margin-bottom: 8px;
}
.modulo-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dorado);
  background: rgba(184, 137, 58, 0.12);
  border-radius: 999px;
  padding: 3px 9px;
  margin-bottom: 8px;
}
.modulo-badge.nuevo { color: var(--azul); background: var(--azul-soft); }
.modulo-titulo {
  font-family: var(--serif);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--vinotinto);
  margin-bottom: 10px;
  line-height: 1.25;
}
.modulo-desc { font-size: 0.93rem; color: var(--tinta-soft); margin-bottom: 16px; line-height: 1.55; }
.modulo-temas { display: flex; flex-wrap: wrap; gap: 6px; }
.tema-chip {
  font-size: 0.71rem;
  background: var(--vinotinto-soft);
  color: var(--vinotinto);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 500;
}

/* Contenido expandido */
.modulo-contenido {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.45s ease;
}
.modulo-card.expanded .modulo-contenido {
  max-height: 8000px;
  margin-top: 28px;
  padding-top: 28px;
  border-top: 1px solid var(--gris-light);
}
.modulo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
@media (max-width: 700px) { .modulo-grid { grid-template-columns: 1fr; } }

.modulo-seccion { margin-bottom: 20px; }
.modulo-seccion h4 {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--tinta);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.modulo-seccion h4::before {
  content: "";
  width: 4px;
  height: 18px;
  background: var(--dorado);
  border-radius: 2px;
  flex-shrink: 0;
}
.modulo-seccion p, .modulo-seccion li {
  font-size: 0.93rem;
  color: var(--tinta-soft);
  line-height: 1.7;
}
.modulo-seccion ul { padding: 0; }
.modulo-seccion ul li {
  padding-left: 22px;
  position: relative;
  margin-bottom: 8px;
}
.modulo-seccion ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--dorado);
  font-weight: 600;
}
.puntos-clave {
  background: var(--vinotinto);
  color: var(--crema);
  border-radius: var(--radius-md);
  padding: 22px 24px;
  grid-column: 1 / -1;
}
.puntos-clave h4 {
  color: var(--dorado-light);
  font-family: var(--serif);
  font-size: 0.88rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 14px;
}
.puntos-clave h4::before { background: var(--dorado-light); }
.puntos-clave ul { padding: 0; }
.puntos-clave li {
  font-size: 0.93rem;
  padding: 6px 0 6px 26px;
  position: relative;
  line-height: 1.5;
}
.puntos-clave li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--dorado-light);
  font-weight: 700;
}
.modulo-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--gris-light);
}

/* Dato curioso dentro del módulo */
.modulo-dato {
  background: var(--crema-dark);
  border-left: 4px solid var(--dorado);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px;
  font-size: 0.9rem;
  color: var(--tinta-soft);
  margin-top: 16px;
  grid-column: 1 / -1;
}
.modulo-dato strong { color: var(--vinotinto); }

/* ============================================================
   LÁMINAS DEL CURSO
   ============================================================ */
.laminas-panel {
  max-width: 900px;
  margin: 48px auto 0;
  background: white;
  border-radius: var(--radius-lg);
  border: 1.5px solid var(--crema-mid);
  padding: 32px 36px;
  box-shadow: var(--shadow-sm);
}
.laminas-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  color: var(--vinotinto);
}
.laminas-header h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--vinotinto);
}
.laminas-sub {
  font-size: 0.9rem;
  color: var(--gris);
  margin-bottom: 24px;
}
.laminas-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px 24px;
}
.lamina-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--crema);
  color: var(--tinta-soft);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--crema-mid);
  transition: all var(--transition);
}
.lamina-link svg { color: var(--vinotinto); flex-shrink: 0; }
.lamina-link:hover {
  background: var(--vinotinto-soft);
  border-color: var(--vinotinto);
  color: var(--vinotinto);
}
.lamina-link:focus-visible {
  outline: 2px solid var(--vinotinto);
  outline-offset: 2px;
}
@media (max-width: 600px) {
  .laminas-panel { padding: 22px 18px; }
  .laminas-list { grid-template-columns: 1fr; }
}

/* ============================================================
   CURIOSIDADES
   ============================================================ */
.tabs-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 36px;
  border-bottom: 2px solid var(--gris-light);
  padding-bottom: 0;
}
.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 3px solid transparent;
  padding: 12px 20px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--tinta-soft);
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: -2px;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.tab-btn:hover { color: var(--vinotinto); }
.tab-btn.active { color: var(--vinotinto); border-bottom-color: var(--vinotinto); }

.filtros-curiosidades {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.curiosidades-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 60px;
}
.curiosidad-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
  border-bottom: 4px solid var(--vinotinto);
  transition: all 0.3s ease;
  animation: fadeUp 0.4s ease;
}
.curiosidad-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.curiosidad-icon { font-size: 2.4rem; margin-bottom: 14px; line-height: 1; }
.curiosidad-stat {
  font-family: var(--serif);
  font-size: 3.2rem;
  font-weight: 600;
  color: var(--vinotinto);
  line-height: 1;
  letter-spacing: -0.02em;
  margin-bottom: 10px;
}
.curiosidad-texto {
  font-size: 0.95rem;
  color: var(--tinta-soft);
  line-height: 1.6;
  margin-bottom: 14px;
}
.curiosidad-fuente {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gris);
  border-top: 1px solid var(--gris-light);
  padding-top: 10px;
}
.curiosidad-tema {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  margin-bottom: 8px;
}

/* ============================================================
   VERDAD O MITO
   ============================================================ */
.verdad-mito-intro {
  text-align: center;
  margin-bottom: 32px;
}
.verdad-mito-intro p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--tinta-soft);
}
.vm-score {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--vinotinto);
  margin-top: 12px;
  min-height: 22px;
}
.vm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
  margin-bottom: 40px;
}
.vm-card {
  perspective: 900px;
  height: 200px;
  cursor: pointer;
}
.vm-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: var(--radius-lg);
}
.vm-card.flipped .vm-card-inner { transform: rotateY(180deg); }
.vm-card-front, .vm-card-back {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 24px;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.vm-card-front {
  background: white;
  border: 2px solid var(--gris-light);
  box-shadow: var(--shadow-sm);
}
.vm-card-front::after {
  content: "👆 Toca para revelar";
  position: absolute;
  bottom: 14px;
  right: 16px;
  font-size: 0.72rem;
  color: var(--gris);
}
.vm-card.flipped .vm-card-front::after { display: none; }
.vm-pregunta {
  font-family: var(--serif);
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--tinta);
  line-height: 1.4;
  text-align: center;
}
.vm-card-back {
  transform: rotateY(180deg);
  border: 3px solid transparent;
}
.vm-card-back.verdad {
  background: rgba(45, 125, 90, 0.1);
  border-color: var(--verde-ok);
}
.vm-card-back.mito {
  background: rgba(192, 68, 68, 0.1);
  border-color: var(--rojo-error);
}
.vm-resultado {
  font-family: var(--serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.vm-card-back.verdad .vm-resultado { color: var(--verde-ok); }
.vm-card-back.mito .vm-resultado { color: var(--rojo-error); }
.vm-explicacion { font-size: 0.88rem; color: var(--tinta-soft); line-height: 1.5; }
.vm-reset { text-align: center; padding: 20px 0; }

/* ============================================================
   TIPS
   ============================================================ */
.tips-filtros {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.tip-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 22px 24px;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: start;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--dorado);
  margin-bottom: 14px;
  transition: all var(--transition);
  animation: fadeUp 0.3s ease;
}
.tip-card:hover { transform: translateX(4px); box-shadow: var(--shadow-md); }
.tip-emoji { font-size: 1.8rem; line-height: 1; margin-top: 2px; }
.tip-text h4 {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--vinotinto);
  margin-bottom: 5px;
}
.tip-text p { font-size: 0.93rem; color: var(--tinta-soft); line-height: 1.55; }

/* ============================================================
   FAQ
   ============================================================ */
.faq-categoria {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.cat-btn {
  background: white;
  border: 1.5px solid var(--gris-light);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--tinta-soft);
}
.cat-btn:hover { border-color: var(--vinotinto); color: var(--vinotinto); }
.cat-btn.active { background: var(--vinotinto); color: var(--crema); border-color: var(--vinotinto); }

.search-wrap {
  max-width: 560px;
  margin: 0 auto 36px;
  position: relative;
}
.search-icon { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: var(--gris); pointer-events: none; }
.search-input {
  width: 100%;
  padding: 15px 20px 15px 50px;
  border-radius: 999px;
  border: 2px solid var(--gris-light);
  background: white;
  font-size: 1rem;
  font-family: var(--sans);
  color: var(--tinta);
  transition: all var(--transition);
}
.search-input:focus {
  outline: none;
  border-color: var(--vinotinto);
  box-shadow: 0 0 0 4px var(--vinotinto-soft);
}

.faq-list { max-width: 900px; margin: 0 auto; }
.faq-item {
  background: white;
  border-radius: var(--radius-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: all var(--transition);
  border: 1.5px solid var(--gris-light);
}
.faq-item:hover { border-color: var(--vinotinto-soft); }
.faq-item.open { border-color: var(--vinotinto); box-shadow: var(--shadow-sm); }
.faq-question {
  padding: 18px 22px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--tinta);
  user-select: none;
}
.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--vinotinto-soft);
  color: var(--vinotinto);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
  font-weight: 700;
  font-size: 1.2rem;
}
.faq-item.open .faq-icon {
  background: var(--vinotinto);
  color: var(--crema);
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 22px;
  color: var(--tinta-soft);
  font-size: 0.95rem;
  line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 800px; padding: 0 22px 22px; }
.faq-answer p { margin-bottom: 10px; }
.faq-answer strong { color: var(--vinotinto); }
.faq-answer code {
  background: var(--crema-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.88em;
  color: var(--vinotinto);
}
.faq-empty { text-align: center; color: var(--gris); padding: 48px; font-style: italic; }

/* ============================================================
   TEST
   ============================================================ */
.test-wrap { max-width: 880px; margin: 0 auto; }
.test-intro-box {
  background: linear-gradient(135deg, var(--vinotinto) 0%, var(--vinotinto-light) 100%);
  color: var(--crema);
  border-radius: var(--radius-xl);
  padding: 44px 40px;
  text-align: center;
  margin-bottom: 32px;
}
.test-intro-box h3 {
  font-family: var(--serif);
  font-size: 2rem;
  margin-bottom: 12px;
  font-variation-settings: "SOFT" 40;
}
.test-intro-box p {
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 500px;
  margin: 0 auto 28px;
}
.test-selector {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  max-width: 780px;
  margin: 0 auto;
}
.test-opcion {
  background: rgba(255,255,255,0.1);
  border: 2px solid rgba(255,255,255,0.3);
  color: white;
  padding: 18px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  text-align: center;
}
.test-opcion:hover {
  background: rgba(255,255,255,0.22);
  border-color: white;
  transform: translateY(-2px);
}

/* Test en progreso */
.test-en-progreso {
  background: white;
  border-radius: var(--radius-xl);
  padding: 36px;
  box-shadow: var(--shadow-md);
}
.test-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.test-titulo {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--vinotinto);
}
.test-contador {
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--gris);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.test-barra {
  height: 8px;
  background: var(--crema-dark);
  border-radius: 999px;
  overflow: hidden;
  margin-bottom: 32px;
}
.test-barra-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--vinotinto), var(--dorado));
  transition: width 0.4s ease;
}
.pregunta-text {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--tinta);
  margin-bottom: 28px;
  line-height: 1.45;
}
.opciones-test { display: flex; flex-direction: column; gap: 10px; margin-bottom: 22px; }
.opcion-test {
  background: var(--crema);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  padding: 15px 20px;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 500;
  color: var(--tinta);
  text-align: left;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 14px;
}
.opcion-test:hover:not(:disabled) {
  background: var(--vinotinto-soft);
  transform: translateX(4px);
}
.opcion-test:disabled { cursor: default; }
.opcion-test:disabled:hover { transform: none; }
.opcion-letra {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--serif);
  color: var(--vinotinto);
  flex-shrink: 0;
  border: 1.5px solid var(--gris-light);
}
.opcion-test.correcta { background: rgba(45,125,90,0.12); border-color: var(--verde-ok); color: var(--verde-ok); }
.opcion-test.correcta .opcion-letra { background: var(--verde-ok); color: white; border-color: var(--verde-ok); }
.opcion-test.incorrecta { background: rgba(192,68,68,0.1); border-color: var(--rojo-error); color: var(--rojo-error); }
.opcion-test.incorrecta .opcion-letra { background: var(--rojo-error); color: white; border-color: var(--rojo-error); }
.explicacion {
  background: var(--crema-dark);
  border-left: 4px solid var(--dorado);
  padding: 14px 18px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.93rem;
  color: var(--tinta-soft);
  line-height: 1.6;
  display: none;
  animation: fadeUp 0.3s ease;
}
.explicacion.visible { display: block; }
.explicacion strong { color: var(--vinotinto); display: block; margin-bottom: 4px; }
.test-controles {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 22px;
  flex-wrap: wrap;
  gap: 12px;
}

/* Resultado */
.resultado { text-align: center; padding: 20px 0; }
.resultado-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.8rem;
  font-family: var(--serif);
  font-weight: 600;
}
.resultado-icon.excelente { background: var(--verde-ok); color: white; }
.resultado-icon.bueno      { background: var(--dorado); color: white; }
.resultado-icon.regular    { background: var(--amarillo); color: white; }
.resultado h3 { font-family: var(--serif); font-size: 2rem; color: var(--vinotinto); margin-bottom: 8px; }
.resultado-puntaje { font-family: var(--serif); font-size: 4.5rem; font-weight: 600; color: var(--vinotinto); line-height: 1; margin: 16px 0; }
.resultado-puntaje span { color: var(--gris); font-size: 2.2rem; }
.resultado-mensaje { font-family: var(--serif); font-style: italic; font-size: 1.1rem; color: var(--tinta-soft); max-width: 500px; margin: 0 auto 32px; }
.resultado-acciones { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

/* ============================================================
   GLOSARIO
   ============================================================ */
.az-filter {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}
.az-btn {
  background: white;
  border: 1.5px solid var(--gris-light);
  font-size: 0.82rem;
  font-weight: 600;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  color: var(--tinta-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}
.az-btn:hover { border-color: var(--vinotinto); color: var(--vinotinto); }
.az-btn.active { background: var(--vinotinto); color: var(--crema); border-color: var(--vinotinto); }
.az-btn.disabled { opacity: 0.35; cursor: default; }
.az-btn.disabled:hover { border-color: var(--gris-light); color: var(--tinta-soft); }

.glosario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}
.glosario-card {
  background: white;
  border-radius: var(--radius-md);
  padding: 18px 22px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gris-light);
  transition: all var(--transition);
  animation: fadeUp 0.3s ease;
}
.glosario-card:hover { border-color: var(--vinotinto-soft); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.glosario-term {
  font-family: var(--serif);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--vinotinto);
  margin-bottom: 6px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.glosario-letra {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--dorado);
  background: rgba(184, 137, 58, 0.1);
  border-radius: 4px;
  padding: 2px 6px;
}
.glosario-def { font-size: 0.92rem; color: var(--tinta-soft); line-height: 1.6; }
.glosario-nivel {
  display: inline-block;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border-radius: 999px;
  padding: 3px 9px;
  margin-top: 10px;
}
.glosario-nivel.basico   { color: var(--verde-ok); background: rgba(45,125,90,0.1); }
.glosario-nivel.medio    { color: var(--azul); background: var(--azul-soft); }
.glosario-nivel.avanzado { color: var(--vinotinto); background: var(--vinotinto-soft); }
.glosario-empty { text-align: center; color: var(--gris); padding: 48px; font-style: italic; grid-column: 1/-1; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--vinotinto);
  color: var(--crema);
  padding: 56px 24px 32px;
  margin-top: 80px;
}
.footer-inner { max-width: 1200px; margin: 0 auto; text-align: center; }
.footer-marca {
  font-family: var(--serif);
  font-size: 1.35rem;
  font-style: italic;
  margin-bottom: 14px;
  font-variation-settings: "SOFT" 60;
}
.footer p { opacity: 0.85; font-size: 0.9rem; max-width: 600px; margin: 0 auto 8px; }
/* ---- Footer logos pequeños ---- */
.footer-logos-small {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  margin: 28px auto 0;
  padding-top: 24px;
  border-top: 1px solid rgba(212,178,122,0.25);
  max-width: 480px;
}
.footer-logo-sm {
  height: 36px;
  width: auto;
  opacity: 0.7;
  filter: grayscale(0.4) brightness(1.3);
  transition: opacity var(--transition);
}
.footer-logo-sm:hover { opacity: 1; filter: grayscale(0) brightness(1.3); }
@media (max-width: 600px) {
  .footer-logos-small { gap: 18px; }
  .footer-logo-sm { height: 28px; }
}

.footer-autores {
  margin-top: 20px;
  font-size: 0.85rem;
  color: var(--dorado-light);
  opacity: 0.8;
}
.footer-meta {
  margin-top: 10px;
  padding-top: 24px;
  border-top: 1px solid rgba(212,178,122,0.3);
  font-size: 0.76rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--dorado-light);
}

/* ============================================================
   TOAST / NOTIFICACIÓN
   ============================================================ */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(120%);
  background: var(--tinta);
  color: var(--crema);
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  z-index: 9999;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ============================================================
   CONFETTI
   ============================================================ */
.confeti {
  position: fixed;
  width: 10px;
  height: 10px;
  pointer-events: none;
  z-index: 9998;
  border-radius: 2px;
}
@keyframes caer {
  to { transform: translateY(105vh) rotate(720deg); opacity: 0; }
}

/* ============================================================
   UTILIDADES
   ============================================================ */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  border: 1.5px solid transparent;
  transition: all var(--transition);
}
.chip-outline {
  background: white;
  border-color: var(--gris-light);
  color: var(--tinta-soft);
}
.chip-outline:hover { border-color: var(--vinotinto); color: var(--vinotinto); }
.chip-outline.active { background: var(--vinotinto); color: var(--crema); border-color: var(--vinotinto); }

/* ============================================================
   RESPONSIVE — SISTEMA COMPLETO DE BREAKPOINTS
   1100px · 900px · 768px · 600px · 480px · 375px
   ============================================================ */

/* ---- 1100px: ajustes de layout amplio ---- */
@media (max-width: 1100px) {
  .modulos {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
  .curiosidades-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }
}

/* ---- 900px: menú colapsado ya activo, ajustes generales ---- */
@media (max-width: 900px) {
  /* Header: en tablet el brand se comprime */
  .brand-text { font-size: 0.95rem; }
  .header-inner { gap: 10px; }

  /* Secciones menos padding lateral */
  .section { padding: 36px 20px 80px; }

  /* Hero */
  .hero { padding: 48px 20px 32px; }
  .hero-sub { font-size: 1rem; }

  /* Stats en 3 cols en tablet */
  .stats { grid-template-columns: repeat(3, 1fr); }

  /* Inicio cards 2 cols */
  .inicio-cards {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  /* Progress banner compacto */
  .progress-banner { padding: 12px 16px; gap: 10px; }
  .progress-text { font-size: 0.78rem; }

  /* Curiosidades en 2 cols */
  .curiosidades-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* VM cards en 2 cols */
  .vm-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Glosario en 2 cols */
  .glosario-grid {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  }

  /* Test selector: 2x2 en tablet */
  .test-selector {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- 768px: tablets portrait ---- */
@media (max-width: 768px) {
  /* Stats: 2 cols */
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { padding: 20px 12px; }
  .stat-num { font-size: 2.1rem; }

  /* Módulos: 1 columna */
  .modulos { grid-template-columns: 1fr; }

  /* Expandido: grid de 1 col */
  .modulo-grid { grid-template-columns: 1fr; }

  /* Section titles */
  .section-title { font-size: clamp(1.6rem, 5vw, 2.4rem); }
  .section-sub { font-size: 1rem; margin-bottom: 28px; }

  /* FAQ */
  .faq-list { padding: 0; }
  .faq-question { padding: 16px 18px; font-size: 0.95rem; }

  /* Tabs */
  .tabs-bar { gap: 4px; }
  .tab-btn { padding: 10px 14px; font-size: 0.9rem; }

  /* Test en progreso */
  .test-en-progreso { padding: 24px 20px; }

}

/* ---- 600px: móviles grandes ---- */
@media (max-width: 600px) {
  /* Sección base */
  .section { padding: 24px 16px 60px; }

  /* Hero */
  .hero { padding: 32px 16px 24px; }
  .hero-sub { font-size: 0.95rem; margin-bottom: 28px; }
  .hero-ctas { gap: 10px; }
  .cta { padding: 13px 22px; font-size: 0.9rem; }

  /* Stats: 2 cols */
  .stat { border-right: none; border-bottom: 1px solid var(--gris-light); }
  .stat:last-child { border-bottom: none; }

  /* Inicio cards: 1 columna */
  .inicio-cards { grid-template-columns: 1fr; }
  .inicio-card { padding: 22px; }

  /* Progress banner: stack vertical */
  .progress-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }
  .progress-text { text-align: center; }

  /* Módulos */
  .modulo-card { padding: 20px 18px; }
  .modulo-num { font-size: 2rem; }
  .modulo-titulo { font-size: 1.15rem; }
  .puntos-clave { padding: 18px; }

  /* Curiosidades: 1 col */
  .curiosidades-grid { grid-template-columns: 1fr; }
  .curiosidad-stat { font-size: 2.8rem; }

  /* VM: 1 col, sin 3D flip — show/hide simple */
  .vm-grid { grid-template-columns: 1fr; }
  .vm-card { height: auto; cursor: pointer; }
  .vm-card-inner { transform-style: flat; transition: none; }
  .vm-card-front {
    position: relative;
    transform: none;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
  }
  .vm-card-back {
    position: relative;
    transform: none;
    display: none;
    backface-visibility: visible;
    -webkit-backface-visibility: visible;
    animation: fadeUp 0.3s ease;
  }
  .vm-card.flipped .vm-card-inner { transform: none; }
  .vm-card.flipped .vm-card-front { display: none; }
  .vm-card.flipped .vm-card-back { display: flex; }

  /* Filtros y chips */
  .filtros-curiosidades, .tips-filtros, .faq-categoria { gap: 6px; }
  .chip, .cat-btn { font-size: 0.75rem; padding: 7px 12px; }

  /* AZ filter: tamaño mínimo */
  .az-btn { width: 32px; height: 32px; font-size: 0.75rem; }

  /* Glosario: 1 col */
  .glosario-grid { grid-template-columns: 1fr; }

  /* Test */
  .test-intro-box { padding: 28px 18px; border-radius: var(--radius-lg); }
  .test-intro-box h3 { font-size: 1.6rem; }
  .test-intro-box p { font-size: 0.95rem; }
  .test-selector { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .test-opcion { padding: 14px 10px; font-size: 0.85rem; }
  .test-en-progreso { padding: 20px 16px; border-radius: var(--radius-lg); }
  .pregunta-text { font-size: 1.1rem; margin-bottom: 22px; }
  .opcion-test { padding: 13px 14px; font-size: 0.9rem; gap: 10px; }
  .opcion-letra { width: 28px; height: 28px; font-size: 0.85rem; flex-shrink: 0; }
  .resultado-puntaje { font-size: 3.5rem; }
  .resultado h3 { font-size: 1.6rem; }
  .resultado-acciones { flex-direction: column; align-items: center; }

  /* FAQ */
  .search-wrap { margin-bottom: 24px; }
  .search-input { font-size: 0.93rem; padding: 13px 18px 13px 44px; }

  /* Footer */
  .footer { padding: 40px 20px 24px; }
  .footer-marca { font-size: 1.1rem; }
  .footer p { font-size: 0.82rem; }
  .footer-meta { font-size: 0.7rem; }
}

/* ---- 480px: móviles pequeños ---- */
@media (max-width: 480px) {
  /* Header: oculta texto de brand, deja solo el ícono */
  .brand-text { display: none !important; }
  .brand-icon { width: 32px; height: 32px; }
  .header-tools { gap: 2px; padding-left: 8px; }
  .tool-btn { padding: 5px 7px; font-size: 0.72rem; }

  /* Stats: 1 col */
  .stats { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--gris-light); padding: 16px 12px; }

  /* Hero */
  .hero h1 { letter-spacing: -0.02em; }
  .hero-ctas { flex-direction: column; align-items: stretch; }
  .cta { justify-content: center; }

  /* Test selector: 1 columna */
  .test-selector { grid-template-columns: 1fr; }
  .test-opcion { padding: 16px; display: flex; align-items: center; gap: 14px; text-align: left; }

  /* Glosario AZ: más compacto */
  .az-btn { width: 28px; height: 28px; font-size: 0.7rem; }
  .az-filter { gap: 3px; }

  /* Curiosidades stat grande */
  .curiosidad-stat { font-size: 2.4rem; }

  /* VM cards: altura automática */
  .vm-card { height: auto; min-height: 160px; }

  /* Módulos acción */
  .modulo-actions { justify-content: stretch; }
  .modulo-actions .cta { width: 100%; justify-content: center; }
}

/* ---- 375px: iPhone SE y teléfonos muy pequeños ---- */
@media (max-width: 375px) {
  .section { padding: 20px 12px 50px; }
  .modulo-card { padding: 16px 14px; }
  .modulo-num { font-size: 1.8rem; }
  .test-en-progreso { padding: 16px 12px; }
  .test-intro-box { padding: 22px 14px; }
  .chip, .cat-btn { font-size: 0.7rem; padding: 6px 10px; }
  .cta { padding: 12px 18px; font-size: 0.85rem; }
}

/* ---- Touch targets mínimos (accesibilidad táctil) ---- */
@media (hover: none) and (pointer: coarse) {
  .nav-btn, .cat-btn, .az-btn, .tab-btn, .tool-btn {
    min-height: 44px;
    min-width: 44px;
  }
  .opcion-test { min-height: 52px; }
  .faq-question { min-height: 52px; }
  .cta { min-height: 48px; }
  .chip { min-height: 36px; padding: 8px 14px; }

  /* Elimina hover en touch para no dejar estados pegados */
  .modulo-card:hover { transform: none; }
  .cta-primary:hover { transform: none; }
  .tip-card:hover { transform: none; }
}

/* ---- Print ---- */
@media print {
  .header, .footer, .hero-ctas, .modulo-actions,
  .test-wrap, .vm-grid, .header-tools, .menu-toggle { display: none; }
  .section { display: block !important; padding: 20px 0; page-break-after: always; }
  .modulo-card.expanded .modulo-contenido { max-height: none; }
  body { background: white; color: black; font-size: 12pt; }
  .section-title, .modulo-titulo { color: #000 !important; }
}

/* ============================================================
   VIDEOS DEL PROGRAMA (se cargan solo al tocarlos)
   ============================================================ */
.videos-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.video-card {
  background: #fff;
  border: 1px solid var(--crema-mid);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
}
.video-play,
.video-frame {
  display: block;
  width: 100%;
  aspect-ratio: 9 / 16;
  border: 0;
  padding: 0;
  background: #111;
}
.video-play {
  position: relative;
  cursor: pointer;
}
.video-play img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.video-icono {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 66px;
  height: 66px;
  border-radius: 50%;
  background: rgba(124, 29, 29, 0.92);
  color: var(--crema);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition);
}
.video-play:hover .video-icono { transform: scale(1.08); }
.video-play:focus-visible { outline: 3px solid var(--vinotinto); outline-offset: 3px; }
.video-info { padding: 14px 16px 18px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.video-info h3 {
  font-family: var(--serif);
  font-size: 1.08rem;
  line-height: 1.2;
  color: var(--vinotinto);
}
.video-info p { font-size: 0.88rem; line-height: 1.45; color: var(--tinta-soft); }
.video-info a {
  margin-top: auto;
  padding-top: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--vinotinto);
}
@media (max-width: 900px) { .videos-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) {
  .videos-grid { gap: 12px; }
  .video-info { padding: 12px 12px 14px; }
  .video-icono { width: 54px; height: 54px; }
}

/* Tarjeta de videos en el inicio: ocupa la fila completa */
.inicio-card[data-goto="videos"] { grid-column: 1 / -1; }

/* Peso de cada lámina */
.lamina-peso {
  margin-left: auto;
  padding-left: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gris);
  white-space: nowrap;
}

/* Pie: compartir y contacto */
.footer-compartir { margin: 26px 0 6px; }
.footer-btn {
  background: var(--crema);
  color: var(--vinotinto);
  border-color: var(--crema);
}
.footer-btn:hover { background: transparent; color: var(--crema); }
.footer-contacto { margin-top: 8px; font-size: 0.85rem; opacity: 0.9; }
.footer-contacto a { color: var(--dorado-light); font-weight: 600; }

/* Menú colapsado forzado: cuando el texto agrandado (A+) ya no cabe en la barra */
body.nav-compacta .menu-toggle { display: flex; }
body.nav-compacta .nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--crema); flex-direction: column; padding: 12px; gap: 2px; border-bottom: 1px solid var(--gris-light); box-shadow: var(--shadow-md); max-height: 0; overflow: hidden; transition: max-height 0.35s ease; z-index: 100; }
body.nav-compacta .nav.open { max-height: 700px; }
body.nav-compacta .nav-btn { width: 100%; text-align: left; padding: 12px 16px; border-radius: var(--radius-sm); min-height: 44px; }
body.nav-compacta .nav-grupo { flex-direction: column; align-items: stretch; width: 100%; }
body.nav-compacta .nav-btn, body.nav-compacta .nav-nivel { max-width: none; margin: 0; }
body.nav-compacta .nav-nivel { width: 100%; text-align: left; padding: 10.5px 16px; border-radius: var(--radius-sm); min-height: 44px; margin-top: 6px; }
body.nav-compacta .nav[data-nivel="2"] [data-grupo="3"] .nav-btn,
body.nav-compacta .nav[data-nivel="3"] [data-grupo="2"] .nav-btn,
body.nav-compacta .nav[data-nivel="2"] [data-grupo="2"] .nav-nivel,
body.nav-compacta .nav[data-nivel="3"] [data-grupo="3"] .nav-nivel { display: none; }
body.nav-compacta .header-inner { flex-wrap: nowrap; }
body.nav-compacta .brand { margin-right: auto; }
body.nav-compacta .header-tools { order: 2; margin-left: 0; border-left: none; padding-left: 0; }
body.nav-compacta .menu-toggle { order: 3; }
body.nav-compacta .brand { font-size: 1rem; }
body.nav-compacta .brand-text small { display: none; }

/* ============================================================
   NIVEL 3: bloques extra de los módulos (paso a paso, problemas, láminas)
   ============================================================ */
.nivel-aviso {
  max-width: 760px;
  margin: -28px 0 32px;
  background: var(--crema-dark);
  border-left: 4px solid var(--dorado);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 12px 18px;
  font-size: 0.92rem;
  color: var(--tinta-soft);
}
.nivel-aviso strong { color: var(--vinotinto); }

.modulo-ancho { grid-column: 1 / -1; }
/* Que ningún bloque ensanche la columna en pantallas angostas (palabras largas, etiquetas) */
.modulo-grid > * { min-width: 0; overflow-wrap: break-word; }
.modulo-seccion .lamina-link { flex-wrap: wrap; row-gap: 4px; }
/* El título va siempre junto al ícono; si no cabe todo, bajan la etiqueta y el peso */
.lamina-titulo { flex: 1 1 12em; min-width: 0; }

.actividad + .actividad { margin-top: 22px; }
.actividad h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--vinotinto);
  margin-bottom: 12px;
}
.actividad-aviso {
  background: rgba(232, 181, 71, 0.16);
  border-left: 4px solid var(--amarillo);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 10px 14px;
  margin-bottom: 14px;
  font-size: 0.9rem;
}
.pasos { list-style: none; padding: 0; counter-reset: paso; }
.modulo-seccion .pasos li {
  counter-increment: paso;
  position: relative;
  padding-left: 38px;
  margin-bottom: 10px;
}
.pasos li::before {
  content: counter(paso);
  position: absolute;
  left: 0;
  top: 2px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--vinotinto);
  color: var(--crema);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.problemas { display: grid; gap: 8px; }
.problema {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.5fr);
  gap: 4px 18px;
  background: white;
  border: 1px solid var(--crema-mid);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  font-size: 0.9rem;
  line-height: 1.5;
}
.problema dt { font-weight: 600; color: var(--tinta); }
.problema dd { margin: 0; color: var(--tinta-soft); }
@media (max-width: 600px) { .problema { grid-template-columns: 1fr; } }

.modulo-seccion .laminas-list li { padding-left: 0; margin: 0; }
.modulo-seccion .laminas-list li::before { content: none; }
.lamina-aviso {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--rojo-error);
  background: rgba(192, 68, 68, 0.1);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}