/* =====================================================================
   EducArte — hoja base
   Mobile-first: se diseña a 375px y se expande.
   Nomenclatura: bloque__elemento--modificador, kebab-case.
   ===================================================================== */

:root {
  /* Paleta — ver MASTER §9 */
  --tinta:      #111827;
  --terracota:  #E4572E;
  --terracota-oscuro: #C7431F;
  --azul:       #1B4965;
  --verde:      #2A9D8F;
  --blanco:     #FFFFFF;
  --crema:      #F7F5F2;
  --arena:      #E5E1DB;
  --gris:       #6B7280;
  --rojo:       #D62828;

  --font-logo:  'Fraunces', Georgia, serif;
  --font-head:  'Outfit', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-body:  'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --radius-sm:  6px;
  --radius:     12px;
  --radius-lg:  20px;

  --shadow-sm:  0 1px 2px rgba(17, 24, 39, .06);
  --shadow:     0 4px 16px rgba(17, 24, 39, .08);
  --shadow-lg:  0 12px 32px rgba(17, 24, 39, .12);

  --wrap:       1120px;
  --gutter:     20px;
  --header-h:   64px;

  --ease:       cubic-bezier(.4, 0, .2, 1);
}

/* --- Reset ---------------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--tinta);
  background: var(--blanco);
  -webkit-font-smoothing: antialiased;
}

img, svg, video { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  margin: 0 0 .5em;
  letter-spacing: -.01em;
}

h1 { font-size: 2rem; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1rem; }

a { color: var(--azul); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--terracota); }

button { font: inherit; }

/* Foco visible: el aula se navega con teclado mas de lo que uno cree. */
:focus-visible {
  outline: 3px solid var(--terracota);
  outline-offset: 2px;
  border-radius: 2px;
}

.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; left: -999px; top: 0; z-index: 100;
  background: var(--tinta); color: #fff; padding: 10px 16px;
}
.skip-link:focus { left: 0; }

/* Honeypot: invisible para el humano, presente para el bot. */
.hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* --- Marca ---------------------------------------------------------- */

.brand { display: inline-block; text-decoration: none; }

.brand__word {
  font-family: var(--font-logo);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--tinta);
  letter-spacing: -.02em;
}

.brand__word--light { color: var(--blanco); }

/* La A destacada es el único gesto del logotipo. */
.brand__a { color: var(--terracota); }

.brand--xl .brand__word { font-size: clamp(2.25rem, 9vw, 3.5rem); }

/* --- Botones -------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;               /* pulgar en teléfono de gama baja */
  padding: 12px 24px;
  border: 2px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: background-color .18s var(--ease), transform .18s var(--ease), border-color .18s var(--ease);
}

.btn:active { transform: translateY(1px); }

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

.btn--outline { background: transparent; border-color: var(--arena); color: var(--tinta); }
.btn--outline:hover { border-color: var(--terracota); color: var(--terracota); }

.btn--ghost { background: transparent; color: var(--tinta); padding-inline: 12px; }
.btn--ghost:hover { color: var(--terracota); }

.btn--sm { min-height: 40px; padding: 8px 16px; font-size: .9375rem; }
.btn--block { width: 100%; }

.btn[disabled], .btn.is-loading {
  background: var(--arena);
  border-color: var(--arena);
  color: var(--gris);
  cursor: not-allowed;
  pointer-events: none;
}

.btn.is-loading::after {
  content: '';
  width: 16px; height: 16px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* --- Formularios ---------------------------------------------------- */

.field { margin-bottom: 14px; }

.field__label {
  display: block;
  font-weight: 500;
  font-size: .9375rem;
  margin-bottom: 6px;
}

.input {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  font: inherit;
  color: var(--tinta);
  background: var(--blanco);
  border: 1.5px solid var(--arena);
  border-radius: var(--radius);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.input::placeholder { color: var(--gris); }

.input:focus {
  outline: none;
  border-color: var(--terracota);
  box-shadow: 0 0 0 3px rgba(228, 87, 46, .15);
}

.input.is-error { border-color: var(--rojo); }

.field__error {
  display: block;
  margin-top: 6px;
  font-size: .875rem;
  color: var(--rojo);
}

/* --- Badges y progreso ---------------------------------------------- */

.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .02em;
  background: var(--crema);
  color: var(--azul);
}

.badge--live { background: rgba(214, 40, 40, .1); color: var(--rojo); }
.badge--new  { background: rgba(42, 157, 143, .12); color: var(--verde); }

.progress {
  height: 8px;
  background: var(--arena);
  border-radius: 999px;
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: var(--verde);
  border-radius: inherit;
  transition: width .4s var(--ease);
}

/* --- Header --------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--arena);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-h);
  gap: 16px;
}

.nav-toggle {
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  background: none;
  border: 0;
  cursor: pointer;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: '';
  display: block;
  width: 22px; height: 2px;
  background: var(--tinta);
  border-radius: 2px;
  transition: transform .2s var(--ease), opacity .2s var(--ease);
}

.nav-toggle__bar::before { transform: translateY(-7px); }
.nav-toggle__bar::after  { transform: translateY(5px); }

.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after  { transform: rotate(-45deg) translateY(-1px); }

.nav {
  display: none;
  position: absolute;
  top: var(--header-h);
  left: 0; right: 0;
  flex-direction: column;
  gap: 4px;
  padding: 12px var(--gutter) 20px;
  background: var(--blanco);
  border-bottom: 1px solid var(--arena);
  box-shadow: var(--shadow);
}

.nav.is-open { display: flex; }

.nav__link {
  padding: 12px 0;
  color: var(--tinta);
  text-decoration: none;
  font-weight: 500;
}

.nav__link:hover, .nav__link.is-active { color: var(--terracota); }
.nav__form { margin: 0; }

/* --- Landing "próximamente" ----------------------------------------- */

.page-soon { background: var(--crema); }

.soon {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 48px var(--gutter) 56px;
}

.soon__inner {
  width: 100%;
  max-width: 560px;
  text-align: center;
}

.soon__tagline {
  font-family: var(--font-head);
  color: var(--gris);
  margin: 8px 0 32px;
}

.soon__headline {
  font-size: clamp(1.75rem, 6.5vw, 2.5rem);
  margin-bottom: 16px;
}

.soon__lead {
  color: var(--gris);
  font-size: 1.0625rem;
  max-width: 46ch;
  margin-inline: auto;
  margin-bottom: 28px;
}

.soon__form {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  text-align: left;
}

.soon__legal {
  margin: 12px 0 0;
  font-size: .8125rem;
  color: var(--gris);
  text-align: center;
}

.soon__points {
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  text-align: left;
}

.soon__points li {
  padding-left: 28px;
  position: relative;
  color: var(--gris);
  font-size: .9375rem;
}

.soon__points li::before {
  content: '';
  position: absolute;
  left: 4px; top: .55em;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--terracota);
}

.soon__points strong { color: var(--tinta); }

.soon__contact {
  margin-top: 32px;
  font-size: .9375rem;
  color: var(--gris);
}

/* --- Footer --------------------------------------------------------- */

.site-footer {
  margin-top: 64px;
  background: var(--azul);
  color: rgba(255, 255, 255, .82);
}

.site-footer__inner {
  display: grid;
  gap: 32px;
  padding-block: 40px;
}

.site-footer__tagline {
  font-family: var(--font-head);
  margin: 12px 0 4px;
  color: rgba(255, 255, 255, .9);
}

.site-footer__place { font-size: .875rem; margin: 0; }

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

.site-footer__title {
  font-size: .8125rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 10px;
}

.site-footer__nav a {
  display: block;
  padding: 6px 0;
  color: rgba(255, 255, 255, .85);
  text-decoration: none;
  font-size: .9375rem;
}

.site-footer__nav a:hover { color: var(--blanco); text-decoration: underline; }

.site-footer__legal {
  border-top: 1px solid rgba(255, 255, 255, .15);
  padding-block: 18px;
  font-size: .8125rem;
}

.site-footer__legal p { margin: 0; }

/* --- Toasts --------------------------------------------------------- */

.toast-stack {
  position: fixed;
  left: var(--gutter);
  right: var(--gutter);
  bottom: 20px;
  z-index: 60;
  display: grid;
  gap: 8px;
  pointer-events: none;
}

.toast {
  padding: 14px 18px;
  border-radius: var(--radius);
  background: var(--tinta);
  color: #fff;
  box-shadow: var(--shadow-lg);
  font-size: .9375rem;
  animation: toast-in .25s var(--ease);
}

.toast--ok    { background: var(--verde); }
.toast--error { background: var(--rojo); }

@keyframes toast-in {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: none; }
}

/* --- Página de error ------------------------------------------------ */

.error-page {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  background: var(--crema);
  text-align: center;
}

.error-page__inner { max-width: 480px; padding-block: 48px; }

.error-page__code {
  font-family: var(--font-head);
  font-size: 4rem;
  font-weight: 700;
  color: var(--terracota);
  margin: 32px 0 0;
  line-height: 1;
}

.error-page__title { margin-top: 8px; }
.error-page__message { color: var(--gris); }

.error-page__actions {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

/* --- Secciones genéricas -------------------------------------------- */

.wrap--narrow { max-width: 720px; }

.section { padding-block: 48px; }
.section--alt { background: var(--crema); }

.section__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.section__head h2 { margin: 0; }

.section__more {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: .9375rem;
  text-decoration: none;
  white-space: nowrap;
}

.section__title-center { text-align: center; margin-bottom: 28px; }

.prose { max-width: 68ch; }
.prose p { margin-bottom: 1.1em; }
.prose h2 { margin-top: 1.8em; }

.empty {
  text-align: center;
  padding: 48px 20px;
  background: var(--crema);
  border-radius: var(--radius-lg);
}

.empty h2 { margin-bottom: 8px; }
.empty p { color: var(--gris); max-width: 46ch; margin-inline: auto; }

.page-hero { padding-block: 40px 8px; }
.page-hero h1 { margin-bottom: 12px; }
.page-hero__lead { color: var(--gris); font-size: 1.0625rem; max-width: 60ch; }

.crumbs {
  display: flex;
  gap: 8px;
  font-size: .875rem;
  color: var(--gris);
  margin-bottom: 12px;
}

.crumbs a { color: var(--gris); text-decoration: none; }
.crumbs a:hover { color: var(--terracota); }

/* --- Hero de la home ------------------------------------------------ */

.hero {
  background: linear-gradient(180deg, var(--crema) 0%, var(--blanco) 100%);
  padding-block: 40px 32px;
}

.hero__eyebrow {
  font-family: var(--font-head);
  font-size: .875rem;
  font-weight: 600;
  color: var(--gris);
  margin-bottom: 12px;
}

.hero__title { font-size: clamp(2rem, 8vw, 3.25rem); margin-bottom: 16px; }
.hero__accent { color: var(--terracota); }

.hero__lead {
  color: var(--gris);
  font-size: 1.0625rem;
  max-width: 52ch;
  margin-bottom: 24px;
}

.hero__actions { display: grid; gap: 10px; margin-bottom: 32px; }

.hero__points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  font-size: .9375rem;
  color: var(--gris);
}

.hero__points strong { color: var(--tinta); }

/* --- Tira de categorías --------------------------------------------- */

.cat-strip {
  border-block: 1px solid var(--arena);
  background: var(--blanco);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.cat-strip::-webkit-scrollbar { display: none; }

.cat-strip__inner {
  display: flex;
  gap: 8px;
  padding-block: 12px;
  white-space: nowrap;
}

.cat-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border: 1px solid var(--arena);
  border-radius: 999px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--tinta);
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.cat-chip:hover, .cat-chip.is-active {
  border-color: var(--terracota);
  color: var(--terracota);
}

.cat-chip__count {
  font-size: .75rem;
  color: var(--gris);
  background: var(--crema);
  border-radius: 999px;
  padding: 1px 7px;
}

/* --- Grilla y card de curso ----------------------------------------- */

.course-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.course-card {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.course-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.course-card__link { display: block; color: inherit; text-decoration: none; }

.course-card__cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--crema);
}

.course-card__cover img { width: 100%; height: 100%; object-fit: cover; }

.course-card__cover-empty,
.course-buy__media-empty {
  display: grid;
  place-items: center;
  height: 100%;
  background: var(--azul);
  color: rgba(255, 255, 255, .5);
  font-family: var(--font-logo);
  font-size: 1.5rem;
}

.course-card__badge { position: absolute; top: 10px; left: 10px; }

.course-card__body { padding: 16px; }

.course-card__category {
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--gris);
  margin-bottom: 6px;
}

.course-card__title { font-size: 1.125rem; margin-bottom: 6px; }

.course-card__promise {
  color: var(--gris);
  font-size: .9375rem;
  margin-bottom: 12px;
}

.course-card__meta,
.course-card__starts {
  display: flex;
  gap: 6px;
  font-size: .875rem;
  color: var(--gris);
  margin-bottom: 8px;
}

.course-card__starts { color: var(--terracota); font-weight: 500; }

.course-card__price { margin: 0; display: flex; align-items: baseline; gap: 8px; }
.course-card__price strong { font-family: var(--font-head); font-size: 1.25rem; }
.course-card__price s { color: var(--gris); font-size: .9375rem; }

/* --- Catálogo ------------------------------------------------------- */

.catalog-head { padding-block: 32px 20px; }
.catalog-head h1 { margin-bottom: 8px; }
.catalog-head__desc { color: var(--gris); max-width: 60ch; margin-bottom: 6px; }
.catalog-head__count { color: var(--gris); font-size: .875rem; margin: 0; }

.pager {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 32px;
}

.pager__status { font-size: .875rem; color: var(--gris); }

/* --- Página de curso ------------------------------------------------ */

.page-course { padding-bottom: 76px; }   /* espacio para la barra fija */

.course-hero { background: var(--crema); padding-block: 24px 32px; }
.course-hero__inner { display: grid; gap: 24px; }
.course-hero__title { font-size: clamp(1.75rem, 6vw, 2.5rem); margin-bottom: 10px; }
.course-hero__subtitle { font-size: 1.125rem; color: var(--gris); margin-bottom: 14px; }

.course-hero__promise {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  border-left: 3px solid var(--terracota);
  padding-left: 14px;
  margin-bottom: 18px;
}

.course-facts {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 16px;
  padding: 0;
}

.course-facts li {
  font-size: .8125rem;
  padding: 5px 11px;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: 999px;
  color: var(--gris);
}

.course-hero__author { font-size: .9375rem; color: var(--gris); margin: 0; }

.course-buy {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.course-buy__media { aspect-ratio: 16 / 9; background: var(--azul); }
.course-buy__media img { width: 100%; height: 100%; object-fit: cover; }

.course-buy__video { width: 100%; height: 100%; }
.course-buy__video iframe { width: 100%; height: 100%; border: 0; display: block; }

.course-buy__preview-label {
  margin: 0;
  padding: 8px 16px;
  font-size: .8125rem;
  font-weight: 600;
  color: var(--verde);
  background: rgba(42, 157, 143, .08);
}

.course-buy__body { padding: 18px 16px; }

.course-buy__price {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.course-buy__price strong { font-family: var(--font-head); font-size: 2rem; line-height: 1; }
.course-buy__price s { color: var(--gris); }

.course-buy__starts,
.course-buy__seats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .875rem;
  color: var(--gris);
  margin-bottom: 12px;
}

.course-buy__includes {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: .875rem;
  color: var(--gris);
}

.course-buy__includes li { padding-left: 22px; position: relative; }

.course-buy__includes li::before {
  content: '';
  position: absolute;
  left: 2px; top: .45em;
  width: 10px; height: 6px;
  border-left: 2px solid var(--verde);
  border-bottom: 2px solid var(--verde);
  transform: rotate(-45deg);
}

.course-body { padding-block: 8px; }
.course-section { padding-block: 28px; border-bottom: 1px solid var(--arena); }
.course-section:last-child { border-bottom: 0; }
.course-section__hint { color: var(--gris); font-size: .875rem; margin-bottom: 16px; }

/* --- Acordeón del temario ------------------------------------------- */

.accordion {
  border: 1px solid var(--arena);
  border-radius: var(--radius);
  overflow: hidden;
}

.accordion__item + .accordion__item { border-top: 1px solid var(--arena); }

.accordion__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  min-height: 56px;
  padding: 14px 16px;
  background: var(--blanco);
  border: 0;
  text-align: left;
  cursor: pointer;
}

.accordion__head:hover { background: var(--crema); }

.accordion__title { font-family: var(--font-head); font-weight: 600; }

.accordion__count {
  flex-shrink: 0;
  font-size: .75rem;
  color: var(--gris);
  background: var(--crema);
  border-radius: 999px;
  padding: 2px 9px;
}

.accordion__head::after {
  content: '';
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-right: 2px solid var(--gris);
  border-bottom: 2px solid var(--gris);
  transform: rotate(45deg) translateY(-2px);
  transition: transform .2s var(--ease);
}

.accordion__head[aria-expanded="true"]::after { transform: rotate(-135deg) translateY(-2px); }

.accordion__panel {
  list-style: none;
  margin: 0;
  padding: 0 16px 12px;
  background: var(--blanco);
}

.lesson-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-top: 1px solid var(--arena);
  font-size: .9375rem;
}

.lesson-row__type {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 24px; height: 24px;
  border-radius: 6px;
  background: var(--crema);
  font-size: .6875rem;
  font-weight: 700;
  color: var(--azul);
}

.lesson-row__title { flex: 1; min-width: 0; }
.lesson-row__time { flex-shrink: 0; font-size: .8125rem; color: var(--gris); font-variant-numeric: tabular-nums; }

/* --- Instructor ----------------------------------------------------- */

.teacher { display: flex; gap: 16px; align-items: flex-start; }
.teacher__photo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.teacher__text h3 { margin-bottom: 4px; }
.teacher__headline { color: var(--gris); font-size: .9375rem; margin-bottom: 8px; }

.teacher-hero { background: var(--crema); padding-block: 36px; }
.teacher-hero__inner { display: grid; gap: 20px; justify-items: start; }
.teacher-hero__photo { width: 112px; height: 112px; border-radius: 50%; object-fit: cover; }
.teacher-hero__headline { color: var(--gris); font-size: 1.0625rem; margin-bottom: 10px; }
.teacher-hero__stats { display: flex; gap: 8px; color: var(--gris); font-size: .9375rem; margin-bottom: 14px; }

.founders { display: grid; gap: 24px; }

.founder {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.founder__photo { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; margin: 0 auto 14px; }
.founder__headline { color: var(--terracota); font-size: .9375rem; font-weight: 500; margin-bottom: 10px; }
.founder__bio { color: var(--gris); font-size: .9375rem; }
.founder__stats { color: var(--gris); font-size: .875rem; margin: 0; }

/* --- Cómo funciona -------------------------------------------------- */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.step {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.step__num {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--terracota);
  color: #fff;
  font-family: var(--font-head);
  font-weight: 700;
  margin-bottom: 12px;
}

.step h3 { font-size: 1.0625rem; margin-bottom: 6px; }
.step p { color: var(--gris); font-size: .9375rem; margin: 0; }

/* --- Contacto ------------------------------------------------------- */

.contact-grid { display: grid; gap: 20px; }

.contact-card {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 24px;
}

.contact-card h2 { font-size: 1.25rem; margin-bottom: 8px; }
.contact-card p { color: var(--gris); font-size: .9375rem; }
.contact-card__pending { font-style: italic; }

/* --- Autenticación --------------------------------------------------- */

.page-auth { background: var(--crema); }

.auth {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 32px var(--gutter);
}

.auth__card {
  width: 100%;
  max-width: 440px;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-sm);
}

.auth__title { margin: 20px 0 6px; font-size: 1.5rem; }
.auth__lead { color: var(--gris); font-size: .9375rem; margin-bottom: 20px; }

.auth__notice {
  padding: 12px 14px;
  border-radius: var(--radius);
  font-size: .9375rem;
  margin-bottom: 16px;
}

.auth__notice--ok { background: rgba(42, 157, 143, .1); color: #1d6f66; }
.auth__notice--error { background: rgba(214, 40, 40, .08); color: var(--rojo); }

.auth__links {
  margin: 18px 0 0;
  text-align: center;
  font-size: .9375rem;
  color: var(--gris);
  display: flex;
  gap: 8px;
  justify-content: center;
  flex-wrap: wrap;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 4px 0 18px;
  font-size: .9375rem;
  color: var(--gris);
  cursor: pointer;
}

.check input {
  width: 20px; height: 20px;
  margin: 1px 0 0;
  accent-color: var(--terracota);
  flex-shrink: 0;
}

/* --- Paneles de formulario (perfil, admin) -------------------------- */

.panel {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
}

.panel--quiet { background: var(--crema); }
.panel__title { font-size: 1.125rem; margin-bottom: 16px; }

/* --- Quiero enseñar -------------------------------------------------- */

.teach-grid { display: grid; gap: 32px; }

.teach-info ol { padding-left: 20px; }
.teach-info li { margin-bottom: 10px; }

.teach-note {
  background: var(--crema);
  border-left: 3px solid var(--terracota);
  padding: 14px 16px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: .9375rem;
  color: var(--gris);
}

.teach-form {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}

.teach-form textarea.input { min-height: 110px; resize: vertical; }

.teach-form__legal {
  margin: 12px 0 0;
  font-size: .8125rem;
  color: var(--gris);
  text-align: center;
}

.field__hint {
  display: block;
  margin-top: 6px;
  font-size: .8125rem;
  color: var(--gris);
}

.legal-note {
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--arena);
  color: var(--gris);
  font-size: .9375rem;
}

/* --- Bloque de captura ---------------------------------------------- */

.lead-block { background: var(--azul); color: #fff; padding-block: 40px; }
.lead-block__inner { display: grid; gap: 20px; }
.lead-block h2 { color: #fff; margin-bottom: 8px; }
.lead-block p { color: rgba(255, 255, 255, .82); margin: 0; }
.lead-block__form { display: grid; gap: 10px; }
.lead-block__form .field { margin: 0; }

/* --- Barra fija de compra (móvil) ----------------------------------- */

.buy-bar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px var(--gutter);
  background: var(--blanco);
  border-top: 1px solid var(--arena);
  box-shadow: 0 -4px 16px rgba(17, 24, 39, .08);
}

.buy-bar__price { display: grid; line-height: 1.2; }
.buy-bar__price strong { font-family: var(--font-head); font-size: 1.25rem; }
.buy-bar__price span { font-size: .75rem; color: var(--gris); }
.buy-bar .btn { flex-shrink: 0; }

/* --- Checkout -------------------------------------------------------- */

.page-checkout { background: var(--crema); }

.checkout { min-height: 100dvh; padding: 28px var(--gutter) 48px; }

.checkout__wrap {
  width: 100%;
  max-width: 520px;
  margin-inline: auto;
}

.checkout__wrap--center { text-align: center; }

.checkout__order-number {
  margin: 20px 0 0;
  font-size: .8125rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--gris);
}

.checkout__title { margin: 12px 0 20px; font-size: 1.625rem; }
.checkout__lead { color: var(--gris); margin-bottom: 24px; }

.checkout__item {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.checkout__course { font-size: 1.125rem; margin-bottom: 6px; }
.checkout__promise { color: var(--gris); font-size: .9375rem; margin-bottom: 12px; }

.checkout__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.checkout__facts li {
  font-size: .8125rem;
  color: var(--gris);
  background: var(--crema);
  border-radius: 999px;
  padding: 4px 10px;
}

.checkout__form {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.checkout__totals { margin-bottom: 16px; }

.checkout__row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  font-size: .9375rem;
  color: var(--gris);
}

.checkout__row--discount { color: var(--verde); }

.checkout__row--total {
  border-top: 1px solid var(--arena);
  margin-top: 4px;
  padding-top: 14px;
  font-size: 1.0625rem;
  color: var(--tinta);
}

.checkout__row--total strong { font-family: var(--font-head); font-size: 1.5rem; }

.checkout__coupon { margin-bottom: 18px; }

.checkout__coupon summary {
  cursor: pointer;
  font-size: .9375rem;
  color: var(--azul);
  padding: 6px 0;
}

.checkout__coupon-body { display: flex; gap: 8px; margin-top: 10px; }
.checkout__coupon-body .input { text-transform: uppercase; }

.checkout__coupon-msg { margin: 8px 0 0; font-size: .875rem; }
.checkout__coupon-msg.is-ok { color: var(--verde); }
.checkout__coupon-msg.is-error { color: var(--rojo); }

.checkout__methods { border: 0; margin: 0 0 18px; padding: 0; }

.checkout__methods legend {
  font-family: var(--font-head);
  font-weight: 600;
  margin-bottom: 10px;
  padding: 0;
}

.method {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px;
  border: 1.5px solid var(--arena);
  border-radius: var(--radius);
  margin-bottom: 10px;
  cursor: pointer;
  transition: border-color .18s var(--ease);
}

.method:has(input:checked) { border-color: var(--terracota); background: rgba(228, 87, 46, .04); }

.method input { width: 20px; height: 20px; margin: 2px 0 0; accent-color: var(--terracota); flex-shrink: 0; }
.method__body { display: grid; gap: 4px; }
.method__body strong { font-family: var(--font-head); }
.method__body span { font-size: .875rem; color: var(--gris); }

.method--off {
  display: block;
  font-size: .875rem;
  color: var(--gris);
  background: var(--crema);
  border-style: dashed;
  cursor: default;
}

.checkout__legal { margin: 14px 0 0; font-size: .8125rem; color: var(--gris); text-align: center; }

.checkout__back {
  display: block;
  margin-top: 20px;
  text-align: center;
  font-size: .9375rem;
  color: var(--gris);
  text-decoration: none;
}

/* Monto a transferir: el dato que no se puede equivocar. */
.amount-box {
  background: var(--azul);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  text-align: center;
  margin-bottom: 20px;
}

.amount-box__label { margin: 0 0 6px; font-size: .875rem; color: rgba(255, 255, 255, .75); }

.amount-box__value {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
}

.amount-box__hint { margin: 0; font-size: .875rem; color: rgba(255, 255, 255, .85); }
.amount-box__hint strong { color: #fff; }

.banks { display: grid; gap: 12px; margin-bottom: 24px; }

.bank {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius);
  padding: 16px;
}

.bank__name { font-size: 1rem; margin-bottom: 10px; }
.bank dl { margin: 0; display: grid; gap: 6px; }
.bank dl > div { display: flex; justify-content: space-between; gap: 12px; font-size: .9375rem; }
.bank dt { color: var(--gris); }
.bank dd { margin: 0; font-weight: 500; }
.bank__account { font-family: ui-monospace, 'Courier New', monospace; letter-spacing: .02em; }

.proof-form {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.proof-form__title { font-size: 1.125rem; margin-bottom: 4px; }
.proof-form__hint { color: var(--gris); font-size: .875rem; margin-bottom: 16px; }
.proof-form input[type="file"] { padding: 10px; }

.checkout__help { margin-top: 20px; font-size: .875rem; color: var(--gris); text-align: center; }

.alert { border-radius: var(--radius); padding: 14px 16px; margin-bottom: 20px; font-size: .9375rem; }
.alert p { margin: 6px 0 0; }
.alert--ok { background: rgba(42, 157, 143, .1); color: #1d6f66; }
.alert--error { background: rgba(214, 40, 40, .08); color: var(--rojo); }

.done {
  width: 72px; height: 72px;
  margin: 24px auto 16px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2rem;
}

.done--ok { background: rgba(42, 157, 143, .12); color: var(--verde); }
.done--wait { background: var(--crema); color: var(--terracota); }

.checkout__receipt {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--arena);
  display: grid;
  gap: 4px;
  font-size: .875rem;
  color: var(--gris);
}

/* --- Aula: mis cursos ------------------------------------------------ */

.my-courses { display: grid; gap: 20px; }

.my-course {
  display: grid;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.my-course__cover { display: block; aspect-ratio: 16 / 9; background: var(--azul); }
.my-course__cover img { width: 100%; height: 100%; object-fit: cover; }

.my-course__cover-empty {
  display: grid;
  place-items: center;
  height: 100%;
  color: rgba(255, 255, 255, .5);
  font-family: var(--font-logo);
  font-size: 1.5rem;
}

.my-course__body { padding: 18px; }
.my-course__title { font-size: 1.125rem; margin-bottom: 4px; }
.my-course__title a { color: inherit; text-decoration: none; }
.my-course__title a:hover { color: var(--terracota); }
.my-course__teacher { color: var(--gris); font-size: .875rem; margin-bottom: 14px; }
.my-course__progress { margin-bottom: 14px; }
.my-course__percent { margin: 8px 0 0; font-size: .875rem; color: var(--gris); }
.my-course__warning { font-size: .875rem; color: var(--terracota); margin-bottom: 12px; }
.my-course__actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* --- Aula: portada del curso ---------------------------------------- */

.page-classroom { background: var(--blanco); }

.classroom-head { background: var(--crema); padding-block: 24px 32px; }
.classroom-head h1 { font-size: clamp(1.5rem, 5vw, 2rem); margin-bottom: 4px; }
.classroom-head__teacher { color: var(--gris); margin-bottom: 20px; }
.classroom-head__progress { max-width: 460px; margin-bottom: 20px; }
.classroom-head__progress p { margin: 8px 0 0; font-size: .875rem; color: var(--gris); }

.module { margin-bottom: 28px; }

.module__title {
  font-size: 1rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--arena);
  margin-bottom: 4px;
}

.module__lessons { list-style: none; margin: 0; padding: 0; }

.lesson-item a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--arena);
  color: inherit;
  text-decoration: none;
}

.lesson-item a:hover { background: var(--crema); }

.lesson-item__check {
  flex-shrink: 0;
  display: grid;
  place-items: center;
  width: 24px; height: 24px;
  border: 1.5px solid var(--arena);
  border-radius: 50%;
  font-size: .75rem;
  color: transparent;
}

.lesson-item.is-done .lesson-item__check {
  background: var(--verde);
  border-color: var(--verde);
  color: #fff;
}

.lesson-item__text { display: grid; gap: 2px; }
.lesson-item__title { font-weight: 500; }
.lesson-item__meta { font-size: .8125rem; color: var(--gris); }

/* --- Aula: lección --------------------------------------------------- */

.page-lesson { background: var(--blanco); }

.lesson-layout { display: grid; }

.preview-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px var(--gutter);
  background: rgba(42, 157, 143, .1);
  color: #1d6f66;
  font-size: .9375rem;
}

/* El video va a ancho completo en móvil, sin márgenes. */
.lesson-player { background: #000; }

.lesson-player__frame {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
}

.lesson-player__frame iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.lesson-player__loading,
.lesson-player__error {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, .7);
  font-size: .9375rem;
  padding: 20px;
  text-align: center;
}

.lesson-player__error { color: #ffb4b4; }

.lesson-live {
  background: var(--crema);
  padding: 32px var(--gutter);
  text-align: center;
}

.lesson-live__hint { color: var(--gris); font-size: .9375rem; }

.lesson-body { padding: 20px var(--gutter) 40px; max-width: 760px; }

.lesson-body__course {
  font-size: .8125rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gris);
  margin-bottom: 6px;
}

.lesson-body__title { font-size: 1.5rem; margin-bottom: 12px; }
.lesson-body__desc { color: var(--gris); }
.lesson-content { margin-block: 20px; }
.lesson-actions { margin-block: 24px; }

.lesson-resources {
  margin-block: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--arena);
}

.lesson-resources h2 { font-size: 1.0625rem; margin-bottom: 12px; }
.lesson-resources ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }

.lesson-resources a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  background: var(--crema);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
}

.lesson-resources a:hover { background: var(--arena); }
.lesson-resources__name { font-weight: 500; }
.lesson-resources__size { font-size: .8125rem; color: var(--gris); flex-shrink: 0; }

.lesson-nav {
  display: grid;
  gap: 10px;
  margin-top: 32px;
  padding-top: 20px;
  border-top: 1px solid var(--arena);
}

.lesson-nav__link {
  display: grid;
  gap: 2px;
  padding: 14px 16px;
  border: 1px solid var(--arena);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
}

.lesson-nav__link:hover { border-color: var(--terracota); }
.lesson-nav__link span { font-size: .8125rem; color: var(--gris); }
.lesson-nav__link strong { font-family: var(--font-head); font-size: .9375rem; }
.lesson-nav__link--next { text-align: right; }

.lesson-aside { border-top: 1px solid var(--arena); padding: 20px var(--gutter) 40px; }
.lesson-aside__head { margin-bottom: 16px; }

.lesson-aside__back {
  display: inline-block;
  margin-bottom: 12px;
  font-size: .9375rem;
  color: var(--gris);
  text-decoration: none;
}

.lesson-aside__percent { margin: 8px 0 0; font-size: .8125rem; color: var(--gris); }

.lesson-aside__section {
  font-family: var(--font-head);
  font-size: .8125rem;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--gris);
  margin: 18px 0 6px;
}

.lesson-aside__list ol { list-style: none; margin: 0; padding: 0; }

.lesson-aside__item a,
.lesson-aside__locked {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 10px;
  border-radius: var(--radius-sm);
  color: inherit;
  text-decoration: none;
  font-size: .9375rem;
}

.lesson-aside__item a:hover { background: var(--crema); }
.lesson-aside__item.is-current a { background: rgba(228, 87, 46, .1); color: var(--terracota); font-weight: 500; }
.lesson-aside__item.is-done .lesson-aside__check { color: var(--verde); }
.lesson-aside__check { flex-shrink: 0; width: 16px; color: var(--arena); }
.lesson-aside__locked { color: var(--gris); cursor: default; }

/* --- Verificación de certificados ------------------------------------ */

.verify-form { display: grid; gap: 10px; margin-bottom: 28px; }
.verify-form .field { margin: 0; }

.verify-form__input {
  text-transform: uppercase;
  letter-spacing: .12em;
  font-family: ui-monospace, 'Courier New', monospace;
  text-align: center;
  font-size: 1.125rem;
}

.verify-result {
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-align: center;
  margin-bottom: 24px;
}

.verify-result--ok  { background: rgba(42, 157, 143, .08); border: 1px solid rgba(42, 157, 143, .3); }
.verify-result--bad { background: rgba(214, 40, 40, .05); border: 1px solid rgba(214, 40, 40, .25); }

.verify-result__icon {
  width: 56px; height: 56px;
  margin: 0 auto 14px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.5rem;
}

.verify-result--ok .verify-result__icon  { background: var(--verde); color: #fff; }
.verify-result--bad .verify-result__icon { background: var(--rojo); color: #fff; }

.verify-result h1, .verify-result h2 { font-size: 1.375rem; margin-bottom: 10px; }
.verify-result p { color: var(--gris); }

.verify-data {
  display: grid;
  gap: 12px;
  margin: 24px 0 0;
  text-align: left;
  background: var(--blanco);
  border-radius: var(--radius);
  padding: 20px;
}

.verify-data > div { display: grid; gap: 2px; }
.verify-data dt { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em; color: var(--gris); }
.verify-data dd { margin: 0; font-weight: 500; }
.verify-data__name { font-family: var(--font-head); font-size: 1.25rem; }

.verify-data__code {
  font-family: ui-monospace, 'Courier New', monospace;
  letter-spacing: .1em;
}

.verify-result__note { margin: 18px 0 0; font-size: .8125rem; }
.verify-help { text-align: center; color: var(--gris); font-size: .9375rem; }

/* --- Panel admin ----------------------------------------------------- */

.page-admin { background: var(--crema); }

.admin-bar {
  background: var(--tinta);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 40;
}

.admin-bar__inner {
  max-width: 1280px;
  margin-inline: auto;
  padding: 10px var(--gutter);
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.admin-bar .brand__word { color: #fff; font-size: 1.25rem; }

.admin-bar__tag {
  font-family: var(--font-body);
  font-size: .6875rem;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: rgba(255, 255, 255, .5);
  margin-left: 6px;
}

.admin-nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }

.admin-nav__link {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: rgba(255, 255, 255, .75);
  text-decoration: none;
  font-size: .9375rem;
}

.admin-nav__link:hover { background: rgba(255, 255, 255, .08); color: #fff; }
.admin-nav__link.is-active { background: rgba(255, 255, 255, .14); color: #fff; }

.admin-bar__user {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .875rem;
  color: rgba(255, 255, 255, .7);
}

.admin-bar__user a { color: rgba(255, 255, 255, .85); }
.admin-bar__user .btn { color: rgba(255, 255, 255, .85); }
.admin-bar__user form { margin: 0; }

.admin-main { max-width: 1280px; margin-inline: auto; padding: 24px var(--gutter) 64px; }

.admin-title { font-size: 1.75rem; margin-bottom: 20px; }

.admin-flash {
  padding: 14px 16px;
  border-radius: var(--radius);
  margin-bottom: 20px;
  font-size: .9375rem;
}

.admin-flash--ok { background: rgba(42, 157, 143, .12); color: #1d6f66; }
.admin-flash--error { background: rgba(214, 40, 40, .08); color: var(--rojo); }

.admin-section { margin-bottom: 40px; }

.admin-section__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.admin-hint { color: var(--gris); font-size: .9375rem; margin-bottom: 14px; }

.admin-empty {
  background: var(--blanco);
  border: 1px dashed var(--arena);
  border-radius: var(--radius);
  padding: 24px;
  color: var(--gris);
  text-align: center;
}

.admin-todo {
  background: var(--blanco);
  border-left: 4px solid var(--terracota);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 18px 20px;
  margin-bottom: 24px;
}

.admin-todo h2 { font-size: 1rem; margin-bottom: 8px; }
.admin-todo ul { margin: 0; padding-left: 18px; }
.admin-todo li { margin-bottom: 4px; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 40px;
}

.stat {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
}

.stat__label { margin: 0 0 8px; font-size: .8125rem; text-transform: uppercase; letter-spacing: .05em; color: var(--gris); }
.stat__value { margin: 0 0 4px; font-family: var(--font-head); font-size: 1.75rem; font-weight: 700; line-height: 1.1; }
.stat__hint { margin: 0; font-size: .8125rem; color: var(--gris); }

/* Fila de verificación de comprobante */
.proof {
  display: grid;
  gap: 20px;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 16px;
}

.proof__order { margin: 0 0 4px; font-size: .8125rem; letter-spacing: .05em; color: var(--gris); }
.proof__course { font-size: 1.0625rem; margin-bottom: 12px; }

.proof__list { margin: 0; display: grid; gap: 6px; }
.proof__list > div { display: flex; justify-content: space-between; gap: 12px; font-size: .9375rem; }
.proof__list dt { color: var(--gris); }
.proof__list dd { margin: 0; text-align: right; }
.proof__amount { font-family: var(--font-head); font-weight: 700; }

.proof__file img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--arena);
}

.proof__pdf {
  display: block;
  padding: 32px 20px;
  text-align: center;
  background: var(--crema);
  border: 1px dashed var(--arena);
  border-radius: var(--radius);
  color: var(--azul);
  font-weight: 600;
}

.proof__warning {
  font-size: .8125rem;
  color: var(--gris);
  background: var(--crema);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-bottom: 12px;
}

.proof__reject { margin-top: 12px; }
.proof__reject summary { cursor: pointer; font-size: .9375rem; color: var(--rojo); padding: 6px 0; }

.admin-inline-form {
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: grid;
  gap: 12px;
  align-items: end;
}

.admin-inline-form .field { margin: 0; }

/* Tablas: en móvil scrollean dentro de su caja, nunca empujan la página. */
.table-wrap {
  overflow-x: auto;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
}

.table { width: 100%; border-collapse: collapse; font-size: .875rem; }

.table th {
  text-align: left;
  padding: 12px 14px;
  background: var(--crema);
  font-family: var(--font-head);
  font-size: .8125rem;
  color: var(--gris);
  white-space: nowrap;
}

.table td { padding: 12px 14px; border-top: 1px solid var(--arena); }
.table td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }

.pill {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
  white-space: nowrap;
}

.pill--confirmed { background: rgba(42, 157, 143, .12); color: #1d6f66; }
.pill--pending   { background: rgba(228, 87, 46, .12); color: var(--terracota); }
.pill--rejected,
.pill--failed    { background: rgba(214, 40, 40, .08); color: var(--rojo); }
.pill--refunded  { background: var(--crema); color: var(--gris); }

/* --- Admin: formularios y listados ----------------------------------- */

.admin-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.admin-head .admin-title { margin: 0; }

.admin-columns { display: grid; gap: 24px; align-items: start; }

.form-row { display: grid; gap: 0 16px; }

.panel select.input { appearance: none; background-image: none; }
.panel textarea.input { resize: vertical; min-height: 90px; }

.publish-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-left: 4px solid var(--terracota);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 20px;
}

.publish-bar p { margin: 4px 0 0; font-size: .875rem; color: var(--gris); }

.stat__value--sm { font-size: 1.0625rem; font-family: var(--font-body); font-weight: 500; }

.table__sub { display: block; font-size: .8125rem; color: var(--gris); margin-top: 2px; }
.table__actions { white-space: nowrap; }

.table__actions a,
.table__actions button {
  display: inline-block;
  margin-right: 10px;
  padding: 0;
  background: none;
  border: 0;
  color: var(--azul);
  font-size: .875rem;
  text-decoration: underline;
  cursor: pointer;
}

.table__actions form { display: inline; }
.table__danger { color: var(--rojo) !important; }
.table__inline { margin: 0; display: flex; gap: 6px; }

.input--sm { min-height: 36px; padding: 6px 10px; font-size: .875rem; }

.lead-card {
  display: grid;
  gap: 16px;
  background: var(--blanco);
  border: 1px solid var(--arena);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 14px;
}

.lead-card h3 { font-size: 1.0625rem; margin-bottom: 4px; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.lead-card__specialty { color: var(--terracota); font-weight: 500; margin-bottom: 6px; }
.lead-card__contact { font-size: .875rem; color: var(--gris); margin-bottom: 8px; }
.lead-card__text { font-size: .9375rem; color: var(--gris); }

.lead-card__note {
  font-size: .875rem;
  background: var(--crema);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
}

.lead-card__form .field { margin-bottom: 10px; }

.cover-preview {
  display: block;
  width: 100%;
  max-width: 320px;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius);
  border: 1px solid var(--arena);
  margin-bottom: 10px;
}

.avatar-preview {
  display: block;
  width: 112px;
  height: 112px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--arena);
  margin-bottom: 10px;
}

/* Reordenar lecciones arrastrando */
.drag-cell { white-space: nowrap; }

.drag-handle {
  cursor: grab;
  color: var(--gris);
  font-size: 1.125rem;
  margin-right: 6px;
  user-select: none;
}

.drag-order {
  display: inline-block;
  min-width: 20px;
  font-variant-numeric: tabular-nums;
  color: var(--gris);
  font-size: .8125rem;
}

[data-sortable] tr { cursor: default; }
[data-sortable] tr.is-dragging { opacity: .4; background: var(--crema); }
[data-sortable] tr:hover .drag-handle { color: var(--terracota); }

/* --- Breakpoints ---------------------------------------------------- */

@media (min-width: 480px) {
  .error-page__actions { grid-auto-flow: column; justify-content: center; }
  .toast-stack { left: auto; right: 24px; max-width: 380px; }
  .hero__actions { grid-auto-flow: column; justify-content: start; }
  .lead-block__form { grid-template-columns: 1fr auto; align-items: start; }
}

@media (min-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.875rem; }

  .soon__form {
    padding: 28px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
  }
  .soon__form .btn--block,
  .soon__legal { grid-column: 1 / -1; }

  .soon__points { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .soon__inner { max-width: 720px; }

  .site-footer__inner { grid-template-columns: 1fr 2fr; }
  .site-footer__nav { grid-template-columns: repeat(3, 1fr); }

  .course-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__points { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .founders { grid-template-columns: repeat(2, 1fr); }
  .lead-block__inner { grid-template-columns: 1fr 1fr; align-items: center; }
  .teacher-hero__inner { grid-template-columns: auto 1fr; align-items: center; }
  .teacher__photo { width: 96px; height: 96px; }
  .section { padding-block: 64px; }
  .teach-grid { grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }

  .proof { grid-template-columns: 1fr 240px 260px; align-items: start; }
  .admin-inline-form { grid-template-columns: 1fr 1fr auto; }
  .my-course { grid-template-columns: 280px 1fr; }
  .my-course__cover { aspect-ratio: auto; height: 100%; }
  .lesson-nav { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr 1fr; }
  .admin-columns { grid-template-columns: 1fr 380px; }
  .lead-card { grid-template-columns: 1fr 260px; }
}

@media (min-width: 1024px) {
  .nav-toggle { display: none; }

  .nav {
    display: flex;
    position: static;
    flex-direction: row;
    align-items: center;
    gap: 24px;
    padding: 0;
    background: none;
    border: 0;
    box-shadow: none;
  }

  .nav__link { padding: 0; }

  .course-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .founders { grid-template-columns: repeat(3, 1fr); }

  /* En escritorio el CTA vive en la columna derecha y sigue el scroll,
     así que la barra fija sobra. */
  .buy-bar { display: none; }
  .page-course { padding-bottom: 0; }

  .course-hero__inner { grid-template-columns: 1fr 380px; align-items: start; gap: 40px; }
  .course-buy { position: sticky; top: calc(var(--header-h) + 16px); }
  .course-body { display: block; max-width: 760px; }

  /* El temario pasa a columna fija y el video deja de ser full-bleed. */
  .lesson-layout { grid-template-columns: 1fr 320px; align-items: start; }
  .lesson-main { min-width: 0; }
  .lesson-body { padding-inline: 32px; }

  .lesson-aside {
    position: sticky;
    top: var(--header-h);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    border-top: 0;
    border-left: 1px solid var(--arena);
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}