/* ==========================================================================
   ZENTRIX V3 — Sistema de diseño "BLOQUES"
   --------------------------------------------------------------------------
   Concepto: la página se construye apilando bloques full-bleed que alternan
   entre noche (morado profundo), papel (crema cálido) y color plano saturado.
   Sobre ellos van piezas "chunky": bordes gruesos, sombras SÓLIDAS (sin
   difuminar) y tipografía display muy grande.

   Diferencias deliberadas frente a la V2 (que era lavanda suave, bordes de
   1px y sombras difusas):
     · sombras sólidas desplazadas en lugar de blur
     · bordes de 3px en color tinta en lugar de 1px lavanda
     · fondo crema cálido en lugar de lavanda frío
     · escala tipográfica mucho mayor
     · ilustraciones SVG propias en lugar de emojis

   REGLA INNEGOCIABLE: toda capa decorativa (::before, ::after, overlays,
   formas de fondo) lleva `pointer-events: none`. En la V2 la falta de esto
   bloqueó clics reales de enlaces.
   ========================================================================== */

:root {
  /* ---- Noche: base de los bloques oscuros ---- */
  --night: #1B0B3B;
  --night-2: #2C1364;
  --night-3: #3B1C82;
  --ink: #14082F;          /* bordes y sombras sólidas */

  /* ---- Papel: base de los bloques claros ---- */
  --paper: #FFFBF2;        /* crema cálido */
  --paper-2: #F6EFFF;
  --surface: #FFFFFF;

  /* ---- Color de marca y acentos ---- */
  --brand: #6C63FF;
  --brand-deep: #4B3FD6;
  --pink: #EC4899;
  --teal: #0BB8A0;
  --orange: #F97316;
  --sun: #FFC93C;          /* acento de energía, para franjas y detalles */

  /* ---- Paleta por curso (identidad ya establecida) ---- */
  --c-ia: #6C63FF;
  --c-cc: #EC4899;
  --c-cd: #0BB8A0;
  --c-dt: #F97316;

  /* ---- Texto ---- */
  --on-dark: #FFFFFF;
  --on-dark-muted: rgba(255, 255, 255, 0.74);
  --on-paper: #1B0B3B;
  --on-paper-muted: #5C5473;

  /* ---- Formas ---- */
  --r-sm: 12px;
  --r-md: 20px;
  --r-lg: 28px;
  --r-xl: 40px;
  --bw: 3px;               /* grosor de borde estándar */

  /* ---- Sombras SÓLIDAS (la firma de la V3) ---- */
  --sh: 6px 6px 0 var(--ink);
  --sh-lg: 10px 10px 0 var(--ink);
  --sh-sm: 4px 4px 0 var(--ink);
  --sh-light: 6px 6px 0 rgba(20, 8, 47, 0.16);

  --maxw: 1200px;
  --header-h: 78px;

  --ease: cubic-bezier(.16, 1, .3, 1);
  --ease-pop: cubic-bezier(.34, 1.56, .64, 1);
}

/* ==========================================================================
   RESET
   ========================================================================== */
* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* Va en <html>, nunca en <body>: overflow no-visible en body rompe el
     position:sticky del header. */
  overflow-x: hidden;
}

body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
img, svg { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }
a { color: inherit; text-decoration: none; }

body {
  font-family: 'Nunito', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 600;
  background: var(--paper);
  color: var(--on-paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .display {
  font-family: 'Fredoka', 'Nunito', sans-serif;
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
}

:focus-visible {
  outline: 4px solid var(--sun);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ==========================================================================
   SISTEMA DE BLOQUES
   ========================================================================== */
.block {
  position: relative;
  padding: clamp(64px, 9vw, 120px) 0;
}
.block__inner {
  position: relative;
  z-index: 2;              /* siempre por encima de las formas decorativas */
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* Variantes de fondo */
.block--night   { background: var(--night); color: var(--on-dark); }
.block--night-2 { background: var(--night-2); color: var(--on-dark); }
.block--paper   { background: var(--paper); color: var(--on-paper); }
.block--white   { background: var(--surface); color: var(--on-paper); }
.block--brand   { background: var(--brand); color: var(--on-dark); }
.block--sun     { background: var(--sun); color: var(--ink); }

.block--night h1, .block--night h2, .block--night h3, .block--night h4,
.block--night-2 h1, .block--night-2 h2, .block--night-2 h3, .block--night-2 h4,
.block--brand h1, .block--brand h2, .block--brand h3, .block--brand h4 { color: var(--on-dark); }

/* "Lift": el bloque se monta sobre el anterior con esquinas superiores
   redondeadas. Es lo que crea la transición curva entre franjas. */
.block--lift {
  border-radius: var(--r-xl) var(--r-xl) 0 0;
  margin-top: clamp(-56px, -5vw, -40px);
  /* compensa el solape para que el contenido no suba con el bloque */
  padding-top: calc(clamp(64px, 9vw, 120px) + 48px);
  z-index: 1;
}

/* Formas decorativas de fondo — SIEMPRE inertes al puntero */
.block__deco {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;    /* innegociable */
  z-index: 0;
}
.block__deco > * { position: absolute; pointer-events: none; }

/* En pantallas estrechas no hay margen lateral libre: las formas acabarían
   solapando el titular. Al ser decorativas, se retiran. */
@media (max-width: 760px) {
  .block__deco { display: none; }
}

.shape { pointer-events: none; }

/* Dimensionado de los SVG del sprite. Los <svg> que envuelven un <use> no
   llevan viewBox propio, así que su tamaño lo fija siempre el contenedor. */
.tile__art svg,
.panel__art svg,
.course__art svg,
.block__deco svg { width: 100%; height: auto; }

.card__ico svg,
.trust__ico svg,
.privacy__ico svg,
.info-row__ico svg,
.socials svg,
.field-icon svg { display: block; }

/* ==========================================================================
   TIPOGRAFÍA Y PIEZAS DE TEXTO
   ========================================================================== */
.display-xl { font-size: clamp(2.6rem, 7.2vw, 5.4rem); }
.display-lg { font-size: clamp(2.2rem, 5.2vw, 3.8rem); }
.display-md { font-size: clamp(1.7rem, 3.4vw, 2.6rem); }

.lead {
  font-size: clamp(1.05rem, 1.5vw, 1.25rem);
  font-weight: 600;
  max-width: 52ch;
}
.block--night .lead, .block--night-2 .lead, .block--brand .lead { color: var(--on-dark-muted); }
.block--paper .lead, .block--white .lead { color: var(--on-paper-muted); }

/* Palabra resaltada dentro de un titular.
   Debe ser `inline` (no inline-block): con inline-block la frase resaltada
   se comporta como una caja y la puntuación que la sigue no puede subir a
   la misma línea, quedando un punto suelto colgando debajo. */
.mark {
  color: var(--sun);
}
.mark--pink { color: var(--pink); }
.mark--teal { color: var(--teal); }

/* Sticker: etiqueta de sección — texto + subrayado de acento, rotada.
   Deliberadamente SIN fondo, borde grueso ni sombra sólida: esas tres
   señales son el idioma visual de "esto se puede pulsar" en este sistema
   (los botones y las tarjetas las llevan). Dárselas también a un título
   estático hacía que usuarios reales pulsaran los títulos de sección
   creyendo que eran botones. El color de texto usa `inherit` a propósito:
   cada .block--* y .panel--* ya define su propio `color` (claro sobre fondo
   oscuro, tinta sobre fondo claro), así un solo .sticker sirve en ambos
   contextos sin necesitar una variante de color de texto por fondo. */
.sticker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: inherit;
  border-bottom: 4px solid var(--sun);
  padding-bottom: 5px;
  transform: rotate(-2deg);
  margin-bottom: 26px;
}
.sticker--pink { border-bottom-color: var(--pink); }
.sticker--teal { border-bottom-color: var(--teal); }
.sticker--white { border-bottom-color: #fff; }

.section-head {
  max-width: 720px;
  margin-bottom: clamp(40px, 5vw, 64px);
}
.section-head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head--flush { margin-bottom: 0; }   /* cabecera de página interna */
.section-head h2 { margin-bottom: 16px; }
.section-head p { font-size: 1.08rem; }
.block--paper .section-head p, .block--white .section-head p { color: var(--on-paper-muted); }
.block--night .section-head p, .block--night-2 .section-head p { color: var(--on-dark-muted); }

/* ==========================================================================
   BOTONES — bordes gruesos + sombra sólida + "press" físico
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  font-size: 1.02rem;
  padding: 15px 30px;
  border-radius: 999px;
  border: var(--bw) solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--sh);
  transition: transform .12s var(--ease), box-shadow .12s var(--ease), background .18s ease;
  white-space: nowrap;
  text-align: center;
}
.btn:hover { transform: translate(-2px, -2px); box-shadow: 8px 8px 0 var(--ink); }
.btn:active { transform: translate(4px, 4px); box-shadow: 2px 2px 0 var(--ink); }

.btn--primary { background: var(--sun); color: var(--ink); }
.btn--brand   { background: var(--brand); color: #fff; }
.btn--pink    { background: var(--pink); color: #fff; }
.btn--teal    { background: var(--teal); color: #fff; }
.btn--dark    { background: var(--night); color: #fff; }
.btn--white   { background: #fff; color: var(--ink); }

/* Botón fantasma sobre fondo oscuro: borde claro, sin sombra sólida */
.btn--outline {
  background: transparent;
  color: var(--on-dark);
  border-color: rgba(255,255,255,0.55);
  box-shadow: none;
}
.btn--outline:hover { background: rgba(255,255,255,0.12); box-shadow: none; transform: translate(-2px,-2px); }
.btn--outline:active { transform: translate(0,0); box-shadow: none; }

.btn--sm { padding: 10px 20px; font-size: 0.92rem; border-width: 2.5px; box-shadow: var(--sh-sm); }
.btn--sm:hover { box-shadow: 6px 6px 0 var(--ink); }
.btn--block { width: 100%; }

.btn-row { display: flex; gap: 16px; flex-wrap: wrap; }

/* ==========================================================================
   HEADER
   ========================================================================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, var(--sun), var(--pink), var(--teal));
  z-index: 300;
  transition: width .1s linear;
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--night);
  border-bottom: var(--bw) solid var(--ink);
  transition: box-shadow .3s ease;
}
.site-header.is-scrolled { box-shadow: 0 6px 0 rgba(20, 8, 47, 0.25); }

.site-header .header-inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

/* El logo nuevo trae su propio contorno crema, así que se apoya directo sobre
   la barra oscura y ya no necesita la "pastilla" blanca del logo anterior. */
.brand-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: transform .15s var(--ease-pop);
}
.brand-chip:hover { transform: rotate(-2deg) translateY(-2px); }
.brand-chip .brand-logo { width: 40px; height: 44px; }

/* El wordmark se compone con tipografía real (Fredoka 700), nunca dibujado. */
.brand-word {
  font-family: 'Fredoka', sans-serif;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1;
  color: #fff;
}
.brand-chip .brand-word { font-size: 1.5rem; }
@media (max-width: 420px) {
  .brand-chip .brand-logo { width: 34px; height: 38px; }
  .brand-chip .brand-word { font-size: 1.28rem; }
}

.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
  font-family: 'Fredoka', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  color: rgba(255,255,255,0.8);
  padding: 10px 16px;
  border-radius: 999px;
  transition: color .15s ease, background .15s ease;
}
.main-nav a:hover { color: #fff; background: rgba(255,255,255,0.12); }
.main-nav a.is-active { color: var(--ink); background: var(--sun); }
.main-nav a.nav-cta { color: var(--ink); }
.main-nav a.nav-cta:hover { color: var(--ink); background: #fff; }
.nav-cta { margin-left: 10px; }

.nav-toggle {
  display: none;
  background: var(--sun);
  border: var(--bw) solid var(--ink);
  border-radius: 12px;
  width: 48px; height: 48px;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sh-sm);
  position: relative;
  z-index: 2;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: '';
  display: block;
  width: 22px; height: 3px;
  background: var(--ink);
  border-radius: 3px;
  position: relative;
  transition: transform .28s var(--ease), opacity .18s ease;
  pointer-events: none;   /* las barras son decorativas: el clic es del botón */
}
.nav-toggle span::before { position: absolute; top: -7px; }
.nav-toggle span::after  { position: absolute; top: 7px; }
.nav-toggle.is-open span { background: transparent; }
.nav-toggle.is-open span::before { top: 0; transform: rotate(45deg); }
.nav-toggle.is-open span::after  { top: 0; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    height: calc(100vh - var(--header-h));
    background: var(--night);
    border-top: var(--bw) solid var(--ink);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 8px;
    padding: 28px 24px;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform .42s var(--ease);
  }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a {
    font-size: 1.5rem;
    text-align: center;
    padding: 16px;
    border-radius: var(--r-md);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity .3s ease, transform .3s ease, background .15s ease, color .15s ease;
  }
  .main-nav.is-open a { opacity: 1; transform: translateY(0); }
  .main-nav.is-open a:nth-child(1) { transition-delay: .10s; }
  .main-nav.is-open a:nth-child(2) { transition-delay: .16s; }
  .main-nav.is-open a:nth-child(3) { transition-delay: .22s; }
  .main-nav.is-open a:nth-child(4) { transition-delay: .28s; }
  .main-nav.is-open a:nth-child(5) { transition-delay: .34s; }
  .nav-cta { margin: 12px 0 0; }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero { padding: clamp(56px, 7vw, 96px) 0 clamp(90px, 10vw, 140px); }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero h1 { margin-bottom: 22px; }
.hero .lead { margin-bottom: 34px; }

.hero-art { position: relative; }
.hero-art svg { width: 100%; height: auto; }

/* Fichas flotantes del hero */
.float { animation: bob 6s ease-in-out infinite; }
.float--2 { animation-delay: .9s; }
.float--3 { animation-delay: 1.8s; }
.float--4 { animation-delay: 2.7s; }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* Métricas bajo el hero */
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin-top: 38px;
  padding-top: 28px;
  border-top: 2px dashed rgba(255,255,255,0.22);
}
.hero-stat b {
  display: block;
  font-family: 'Fredoka', sans-serif;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--sun);
}
.hero-stat span { font-size: .9rem; color: var(--on-dark-muted); font-weight: 700; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-art { max-width: 420px; margin: 8px auto 0; }
}

/* ==========================================================================
   MARQUEE (franja en movimiento)
   ========================================================================== */
.marquee {
  background: var(--sun);
  border-top: var(--bw) solid var(--ink);
  border-bottom: var(--bw) solid var(--ink);
  padding: 16px 0;
  overflow: hidden;
  position: relative;
  z-index: 3;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee__group { display: flex; align-items: center; flex-shrink: 0; }
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 0 26px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--ink);
  white-space: nowrap;
}
.marquee__item::after {
  content: '';
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--ink);
  pointer-events: none;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee:hover .marquee__track { animation-play-state: paused; }

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

@media (max-width: 980px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: 1fr; }
  .grid--2 { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .grid--4 { grid-template-columns: 1fr; }
}

.card {
  position: relative;
  background: var(--surface);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-lg);
  padding: 30px 26px;
  box-shadow: var(--sh);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.card:hover { transform: translate(-3px, -3px); box-shadow: var(--sh-lg); }

.card__ico {
  width: 66px; height: 66px;
  border-radius: 18px;
  border: var(--bw) solid var(--ink);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
  background: var(--sun);
  transition: transform .25s var(--ease-pop);
}
.card:hover .card__ico { transform: rotate(-6deg) scale(1.06); }
.card__ico svg { width: 34px; height: 34px; }
.card__ico--brand { background: var(--brand); }
.card__ico--pink  { background: var(--pink); }
.card__ico--teal  { background: var(--teal); }
.card__ico--orange{ background: var(--orange); }

.card h3 { font-size: 1.24rem; margin-bottom: 10px; }
.card p { color: var(--on-paper-muted); font-size: .98rem; }

/* Número gigante para los pasos del modelo pedagógico */
.step { position: relative; overflow: hidden; }
.step__num {
  position: absolute;
  top: -22px; right: 4px;
  font-family: 'Fredoka', sans-serif;
  font-weight: 700;
  font-size: 7rem;
  line-height: 1;
  color: var(--paper-2);
  z-index: 0;
  pointer-events: none;   /* decorativo */
}
.step > *:not(.step__num) { position: relative; z-index: 1; }

/* Paneles de audiencia (colegios / familias) */
.panel {
  position: relative;
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-xl);
  padding: clamp(30px, 4vw, 44px);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  transition: transform .2s var(--ease);
}
.panel:hover { transform: translate(-3px, -3px); }
.panel--brand { background: var(--brand); color: #fff; }
.panel--teal  { background: var(--teal);  color: #fff; }
.panel--pink  { background: var(--pink);  color: #fff; }
.panel--sun   { background: var(--sun);   color: var(--ink); }
.panel--white { background: var(--surface); color: var(--on-paper); }
.panel h3 { font-size: clamp(1.5rem, 2.6vw, 2rem); margin-bottom: 14px; }
.panel p { margin-bottom: 26px; max-width: 44ch; }
.panel--brand p, .panel--teal p, .panel--pink p { color: rgba(255,255,255,0.92); }
.panel__art {
  position: absolute;
  right: -30px; bottom: -30px;
  width: 190px;
  opacity: .22;
  pointer-events: none;   /* decorativo */
}

/* Lista de confianza */
.trust {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  background: var(--surface);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-md);
  padding: 22px;
  box-shadow: var(--sh-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.trust:hover { transform: translate(-3px, -3px); box-shadow: var(--sh); }
.trust__ico {
  flex-shrink: 0;
  width: 52px; height: 52px;
  border-radius: 14px;
  border: 2.5px solid var(--ink);
  display: grid; place-items: center;
}
.trust__ico svg { width: 26px; height: 26px; }
.trust h4 { font-size: 1.08rem; margin-bottom: 4px; }
.trust p { font-size: .94rem; color: var(--on-paper-muted); }

/* ==========================================================================
   CATÁLOGO DE CURSOS
   ========================================================================== */
.filter-bar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}
.filter-btn {
  font-family: 'Fredoka', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  padding: 12px 26px;
  border-radius: 999px;
  border: var(--bw) solid var(--ink);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--sh-sm);
  transition: transform .12s var(--ease), box-shadow .12s var(--ease), background .18s ease, color .18s ease;
}
.filter-btn:hover { transform: translate(-2px, -2px); box-shadow: var(--sh); }
.filter-btn.is-active { background: var(--night); color: #fff; }

.course-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
@media (max-width: 860px) { .course-grid { grid-template-columns: 1fr; } }

.course {
  --cc: var(--brand);
  position: relative;
  background: var(--surface);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-xl);
  box-shadow: var(--sh-lg);
  overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  display: flex;
  flex-direction: column;
}
.course:hover { transform: translate(-4px, -4px); box-shadow: 14px 14px 0 var(--ink); }
.course.is-hidden { display: none; }

/* Cabecera de color: es el bloque que identifica al curso */
.course__head {
  background: var(--cc);
  border-bottom: var(--bw) solid var(--ink);
  padding: 26px 26px 22px;
  position: relative;
  display: flex;
  align-items: center;
  gap: 18px;
  min-height: 148px;
}
.course__art {
  width: 92px;
  flex-shrink: 0;
  filter: drop-shadow(3px 3px 0 rgba(20,8,47,.35));
}
.course__art svg { width: 100%; height: auto; }
.course__code {
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255,255,255,.9);
}
.course__head h3 { color: #fff; font-size: clamp(1.4rem, 2.4vw, 1.85rem); margin: 2px 0 4px; }
.course__sub { color: rgba(255,255,255,.9); font-size: .94rem; font-weight: 700; }

.status {
  position: absolute;
  top: 16px; right: 16px;
  font-family: 'Nunito', sans-serif;
  font-weight: 900;
  font-size: .7rem;
  letter-spacing: .07em;
  text-transform: uppercase;
  padding: 6px 13px;
  border-radius: 999px;
  border: 2.5px solid var(--ink);
  box-shadow: 3px 3px 0 var(--ink);
}
.status--live { background: var(--sun); color: var(--ink); }
.status--soon { background: #fff; color: var(--ink); }
.status--live::before {
  content: '';
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--ink);
  margin-right: 7px;
  vertical-align: middle;
  animation: blink 1.6s ease-in-out infinite;
  pointer-events: none;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: .25; } }

.course__body { padding: 26px; display: flex; flex-direction: column; flex: 1; }
.course__body > p { color: var(--on-paper-muted); margin-bottom: 16px; }

.course__video-label {
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  font-size: .84rem;
  color: var(--on-paper-muted);
  margin-bottom: 8px;
}
.course__video {
  border-radius: var(--r-sm);
  border: var(--bw) solid var(--ink);
  overflow: hidden;
  margin-bottom: 18px;
  background: var(--ink);
}
.course__video video { display: block; width: 100%; aspect-ratio: 16 / 9; background: var(--ink); }

.course details { margin-top: auto; }
.course summary {
  cursor: pointer;
  list-style: none;
  font-family: 'Fredoka', sans-serif;
  font-weight: 600;
  font-size: .98rem;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 2.5px solid var(--ink);
  border-radius: 999px;
  background: var(--paper-2);
  transition: background .15s ease, transform .12s var(--ease);
}
.course summary:hover { background: var(--sun); transform: translateY(-2px); }
.course summary::-webkit-details-marker { display: none; }
.course summary::after { content: '▾'; transition: transform .25s var(--ease); }
.course details[open] summary::after { transform: rotate(180deg); }

.course .details-body {
  padding-top: 20px;
  animation: slideDown .3s var(--ease);
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.course .details-body li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 10px;
  font-size: .96rem;
  color: var(--on-paper-muted);
}
.course .details-body li::before {
  content: '';
  position: absolute;
  left: 0; top: 4px;
  width: 18px; height: 18px;
  border-radius: 50%;
  background: var(--cc);
  border: 2.5px solid var(--ink);
  pointer-events: none;
}
.course .details-cta { margin-top: 20px; }

/* Mosaico compacto del catálogo destacado en la home */
.tile {
  position: relative;
  display: block;
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-lg);
  padding: 24px;
  background: var(--cc, var(--brand));
  color: #fff;
  box-shadow: var(--sh);
  min-height: 190px;
  overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.tile:hover { transform: translate(-4px, -4px) rotate(-1deg); box-shadow: var(--sh-lg); }
.tile__art { width: 62px; margin-bottom: 14px; }
.tile__code { font-family: 'Fredoka', sans-serif; font-size: .76rem; letter-spacing: .12em; text-transform: uppercase; opacity: .9; }
.tile h3 { font-size: 1.25rem; color: #fff; margin: 2px 0 6px; }
.tile p { font-size: .88rem; color: rgba(255,255,255,.9); }
.tile__go {
  position: absolute;
  right: 18px; bottom: 18px;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: #fff;
  border: 2.5px solid var(--ink);
  display: grid; place-items: center;
  color: var(--ink);
  font-weight: 900;
  transition: transform .2s var(--ease-pop);
}
.tile:hover .tile__go { transform: translateX(4px); }

/* ==========================================================================
   ACERCA
   ========================================================================== */
.quote-card {
  background: var(--surface);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-xl);
  padding: clamp(30px, 4vw, 52px);
  box-shadow: var(--sh-lg);
  max-width: 860px;
  margin: 0 auto;
  position: relative;
}
.quote-card p { font-size: clamp(1rem, 1.5vw, 1.16rem); color: var(--on-paper-muted); }
.quote-card strong { color: var(--on-paper); }
.quote-card__mark {
  position: absolute;
  top: -26px; left: 34px;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--sun);
  border: var(--bw) solid var(--ink);
  display: grid; place-items: center;
  font-family: 'Fredoka', sans-serif;
  font-size: 1.8rem;
  color: var(--ink);
  box-shadow: var(--sh-sm);
  pointer-events: none;   /* decorativo */
}

.privacy {
  display: flex;
  gap: 26px;
  align-items: flex-start;
  background: var(--night-2);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-xl);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--sh-lg);
  color: var(--on-dark);
}
.privacy__ico {
  flex-shrink: 0;
  width: 72px; height: 72px;
  border-radius: 20px;
  background: var(--teal);
  border: var(--bw) solid var(--ink);
  display: grid; place-items: center;
}
.privacy__ico svg { width: 36px; height: 36px; }
.privacy h3 { margin-bottom: 10px; }
.privacy p { color: var(--on-dark-muted); }
@media (max-width: 640px) { .privacy { flex-direction: column; } }

/* ==========================================================================
   FORMULARIO
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.85fr;
  gap: 34px;
  align-items: start;
}
@media (max-width: 940px) { .contact-grid { grid-template-columns: 1fr; } }

.toggle {
  display: inline-flex;
  gap: 8px;
  background: var(--surface);
  border: var(--bw) solid var(--ink);
  border-radius: 999px;
  padding: 6px;
  margin-bottom: 26px;
  box-shadow: var(--sh-sm);
  flex-wrap: wrap;
}
.toggle button {
  border: none;
  background: transparent;
  font-family: 'Fredoka', sans-serif;
  font-weight: 500;
  font-size: .96rem;
  color: var(--on-paper-muted);
  padding: 11px 22px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease;
}
.toggle button.is-active { background: var(--night); color: #fff; }

.form-card {
  background: var(--surface);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-xl);
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--sh-lg);
}

.field { margin-bottom: 22px; }
.field > label {
  display: block;
  font-family: 'Fredoka', sans-serif;
  font-weight: 500;
  font-size: 1rem;
  margin-bottom: 9px;
}
.field .hint { font-family: 'Nunito', sans-serif; font-weight: 600; color: var(--on-paper-muted); font-size: .84rem; }

.field-control { position: relative; }
.field input,
.field textarea {
  width: 100%;
  font: inherit;
  font-weight: 600;
  padding: 14px 44px 14px 16px;
  border-radius: var(--r-sm);
  border: 2.5px solid var(--ink);
  background: var(--paper);
  color: var(--on-paper);
  transition: box-shadow .15s ease, border-color .15s ease, background .15s ease;
}
.field textarea { resize: vertical; min-height: 120px; padding-right: 16px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  background: #fff;
  box-shadow: var(--sh-sm);
}
.field input::placeholder, .field textarea::placeholder { color: #9d95b3; font-weight: 600; }

.field-icon {
  position: absolute;
  right: 14px; top: 15px;
  width: 20px; height: 20px;
  color: var(--teal);
  opacity: 0;
  transform: scale(.4);
  transition: opacity .2s ease, transform .25s var(--ease-pop);
  pointer-events: none;   /* decorativo */
}
.field.is-valid .field-icon { opacity: 1; transform: scale(1); }
.field.is-valid input, .field.is-valid textarea { border-color: var(--teal); }
.field.is-invalid input, .field.is-invalid textarea { border-color: #DC2626; background: #FEF2F2; }
.field.is-invalid .field-control { animation: shake .4s ease; }
@keyframes shake {
  10%, 90% { transform: translateX(-1px); }
  20%, 80% { transform: translateX(3px); }
  30%, 50%, 70% { transform: translateX(-5px); }
  40%, 60% { transform: translateX(5px); }
}
.field-error {
  display: block;
  min-height: 18px;
  margin-top: 7px;
  font-size: .82rem;
  font-weight: 800;
  color: #DC2626;
  opacity: 0;
  transition: opacity .18s ease;
}
.field.is-invalid .field-error { opacity: 1; }

.check-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 520px) { .check-grid { grid-template-columns: 1fr; } }
.check {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .93rem;
  font-weight: 700;
  padding: 12px 14px;
  border-radius: var(--r-sm);
  border: 2.5px solid var(--ink);
  background: var(--paper);
  cursor: pointer;
  transition: background .15s ease, transform .12s var(--ease), box-shadow .12s var(--ease);
}
.check:hover { transform: translate(-2px, -2px); box-shadow: var(--sh-sm); }
.check:has(input:checked) { background: var(--sun); }
.check input { width: 18px; height: 18px; accent-color: var(--night); cursor: pointer; }
.check__dot {
  width: 14px; height: 14px;
  border-radius: 50%;
  border: 2.5px solid var(--ink);
  flex-shrink: 0;
  pointer-events: none;   /* decorativo */
}

.field-group[hidden] { display: none; }

.form-status {
  margin-top: 18px;
  padding: 16px 18px;
  border-radius: var(--r-sm);
  border: 2.5px solid var(--ink);
  font-weight: 800;
  font-size: .95rem;
  display: none;
  position: relative;
}
.form-status.is-visible { display: block; }
.form-status--ok { background: var(--teal); color: #fff; }
.form-status--err { background: #FEE2E2; color: #991B1B; }
.form-status--sending { background: var(--paper-2); color: var(--night); }

.confetti { position: absolute; inset: 0; overflow: visible; pointer-events: none; }
.confetti span {
  position: absolute;
  top: 50%; left: 24px;
  width: 9px; height: 9px;
  border-radius: 2px;
  animation: pop .9s var(--ease) forwards;
  pointer-events: none;
}
@keyframes pop {
  0%   { opacity: 1; transform: translate(0,0) rotate(0deg); }
  100% { opacity: 0; transform: translate(var(--dx,40px), var(--dy,-30px)) rotate(220deg); }
}

.spinner {
  display: none;
  width: 18px; height: 18px;
  border-radius: 50%;
  border: 3px solid rgba(20,8,47,.25);
  border-top-color: var(--ink);
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.btn.is-loading .btn-label { display: none; }
.btn.is-loading .spinner { display: block; }

/* Tarjeta de contacto directo */
.info-card {
  background: var(--brand);
  border: var(--bw) solid var(--ink);
  border-radius: var(--r-xl);
  padding: clamp(26px, 3.5vw, 36px);
  box-shadow: var(--sh-lg);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.info-card h3 { color: #fff; margin-bottom: 22px; }
.info-row { display: flex; gap: 16px; align-items: flex-start; margin-bottom: 20px; position: relative; }
.info-row__ico {
  width: 48px; height: 48px;
  flex-shrink: 0;
  border-radius: 14px;
  background: rgba(255,255,255,.18);
  border: 2.5px solid var(--ink);
  display: grid; place-items: center;
}
.info-row__ico svg { width: 22px; height: 22px; }
.info-row strong {
  display: block;
  font-family: 'Nunito', sans-serif;
  font-size: .74rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255,255,255,.72);
  margin-bottom: 2px;
}
.info-row a, .info-row span { color: #fff; font-weight: 800; font-size: 1rem; }
.info-row a:hover { text-decoration: underline; }
.info-note {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 2px dashed rgba(255,255,255,.3);
  font-size: .9rem;
  color: rgba(255,255,255,.85);
  position: relative;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.site-footer {
  background: var(--night);
  color: var(--on-dark-muted);
  border-top: var(--bw) solid var(--ink);
  padding: clamp(52px, 6vw, 76px) 0 28px;
}
.footer-inner { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 44px;
}
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr; gap: 32px; } }
.footer-brand p { font-size: .95rem; max-width: 34ch; margin-top: 16px; }
/* Lockup vertical: la placa arriba y la palabra debajo, sobre el fondo noche. */
.footer-logo-chip {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}
.footer-logo-chip .brand-logo { width: 76px; height: 84px; margin-left: -4px; }
.footer-logo-chip .brand-word { font-size: 1.9rem; }

.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 18px;
}
.footer-col a, .footer-col span {
  display: block;
  font-size: .96rem;
  margin-bottom: 12px;
  color: var(--on-dark-muted);
  transition: color .15s ease, transform .15s ease;
}
.footer-col a:hover { color: var(--sun); transform: translateX(4px); }

.socials { display: flex; gap: 12px; margin-top: 22px; }
.socials a {
  width: 46px; height: 46px;
  border-radius: 14px;
  background: rgba(255,255,255,.1);
  border: 2.5px solid var(--ink);
  display: grid; place-items: center;
  transition: background .18s ease, transform .18s var(--ease-pop);
}
.socials a:hover { background: var(--sun); transform: translate(-2px,-2px); }
.socials a:hover svg { stroke: var(--ink); fill: var(--ink); }
.socials svg { width: 20px; height: 20px; }

.footer-bottom {
  border-top: 2px solid rgba(255,255,255,.14);
  padding-top: 24px;
  font-size: .86rem;
  color: rgba(255,255,255,.5);
}

/* ==========================================================================
   REVELADO AL SCROLL
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: calc(var(--i, 0) * 80ms);
}
.reveal.is-visible { opacity: 1; transform: none; }

/* ==========================================================================
   ACCESIBILIDAD / MOVIMIENTO REDUCIDO
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .marquee__track { animation: none; }
  .reveal { opacity: 1; transform: none; }
}

/* Táctil: sin efectos dependientes del ratón, con feedback de pulsación */
@media (hover: none) {
  .card:hover, .course:hover, .panel:hover, .trust:hover, .tile:hover { transform: none; }
  .course:active, .tile:active { transform: scale(.985); }
}
