/* ============================================================================
   CompuClub — Sistema de diseño "Aula" (claro)
   Identidad tomada del logo: índigo profundo (#2E0583) sobre blanco. Profesional,
   educativa, clara y accesible. Tema claro por defecto, sin neón ni glows.
   Esta hoja sirve a la landing pública (home.html) y comparte tokens con login,
   registro y aviso de privacidad. Se conservan los NOMBRES de tokens/clases
   (remapeados a valores claros) para no romper esas páginas.
   ========================================================================== */

/* Tokens compartidos (paleta, tipografía, sombras, motion). Incluye las fuentes.
   Única fuente de verdad: editar valores en tokens.css, no aquí. */
@import url('/tokens.css');

/* ============================================================================
   Base
   ========================================================================== */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* Accesibilidad (WCAG 2.4.7 — Focus Visible): anillo de foco por teclado en lo interactivo de la
   landing, login, registro y aviso de privacidad. `:focus-visible` (no aparece al clic con ratón);
   `:where()` = especificidad 0 para no pisar estilos de foco existentes. */
:where(button, a, [role="button"], [tabindex]:not([tabindex="-1"]), summary, input, select):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--fg);
  background: #ffffff;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* Atmósfera de fondo: lavado índigo muy sutil arriba (sin rejilla) */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(70% 50% at 80% -10%, rgba(46, 5, 131, .06), transparent 60%),
    radial-gradient(60% 45% at 0% 0%, rgba(74, 34, 199, .05), transparent 55%);
  pointer-events: none;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

::selection { background: var(--cyan); color: #ffffff; }

/* Scrollbar discreta */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: #eef0f3; }
::-webkit-scrollbar-thumb { background: #cbd0d9; border: 3px solid #eef0f3; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--cyan); }

.wrap { width: min(1180px, 92vw); margin-inline: auto; }

/* Etiqueta de sección (overline) */
.tag {
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
  display: inline-flex;
  align-items: center;
  gap: 9px;
}
.tag::before {
  content: '';
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
}

/* ============================================================================
   Navegación
   ========================================================================== */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px clamp(18px, 4vw, 46px);
  transition: background 300ms var(--ease-out), border-color 300ms var(--ease-out), box-shadow 300ms;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: color-mix(in srgb, #ffffff 88%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--line);
  box-shadow: var(--shadow-sm);
}

.brand { display: flex; align-items: center; gap: 11px; font-family: var(--display); font-weight: 700; }
.brand-logo { height: 40px; width: auto; display: block; }
.foot .brand-logo { height: 50px; }
.brand-mark {
  width: 38px; height: 38px; flex: 0 0 auto;
  display: grid; place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: linear-gradient(150deg, #ffffff, var(--indigo-50));
  box-shadow: var(--shadow-sm);
}
.brand-mark svg { width: 22px; height: 22px; }
.brand-name { font-size: 19px; letter-spacing: -.01em; line-height: 1; color: var(--fg); }
.brand-name b { color: var(--cyan); font-weight: 700; }
.brand-name small { display: block; font-family: var(--sans); font-weight: 500; font-size: 9.5px; letter-spacing: .26em; color: var(--fg-mute); margin-top: 4px; text-transform: uppercase; }

.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a.lnk {
  font-size: 14px; font-weight: 500; color: var(--fg-soft);
  padding: 9px 14px; border-radius: var(--r); position: relative;
  transition: color 180ms var(--ease-out);
}
.nav-links a.lnk:hover { color: var(--cyan); }
.nav-links a.lnk::after {
  content: ''; position: absolute; left: 14px; right: 14px; bottom: 4px; height: 2px; border-radius: 2px;
  background: var(--cyan); transform: scaleX(0); transform-origin: left;
  transition: transform 220ms var(--ease-out);
}
.nav-links a.lnk:hover::after { transform: scaleX(1); }

.btn {
  font-family: var(--sans);
  font-size: 14px; font-weight: 600;
  display: inline-flex; align-items: center; gap: 9px;
  padding: 11px 20px; border-radius: var(--r-md);
  cursor: pointer; border: 1px solid transparent;
  transition: transform 220ms var(--ease-spring), background 200ms var(--ease-out), box-shadow 220ms var(--ease-out), border-color 200ms, color 200ms;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--cyan); color: #ffffff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--cyan-bright); box-shadow: 0 10px 24px -10px rgba(46, 5, 131, .55); }
.btn-ghost { background: #ffffff; border-color: var(--line-strong); color: var(--fg); }
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); background: var(--indigo-50); }
.btn-lg { padding: 14px 26px; font-size: 15px; }

.nav-toggle { display: none; background: #ffffff; border: 1px solid var(--line-strong); border-radius: var(--r); width: 42px; height: 38px; cursor: pointer; color: var(--fg); }

/* ============================================================================
   Hero
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 70px;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 56px;
  align-items: center;
  /* OJO: sin `width:100%` — pisaba a `.wrap` (misma especificidad, definido después)
     y el hero quedaba pegado al borde izquierdo a todo el ancho del viewport. */
  min-width: 0;
}

.hero-copy { position: relative; }
.hero h1 {
  font-family: var(--display);
  font-weight: 700;
  font-size: clamp(40px, 6.2vw, 76px);
  line-height: 1.02;
  letter-spacing: -.025em;
  margin: 22px 0 0;
  color: var(--fg);
  text-wrap: balance;
}
.hero h1 .hl { color: var(--cyan); position: relative; white-space: nowrap; }
.hero h1 .hl::after {
  content: ''; position: absolute; left: -2px; right: -2px; bottom: 1px; height: 12px;
  background: linear-gradient(90deg, var(--indigo-100), color-mix(in srgb, var(--blue) 30%, var(--indigo-50)));
  border-radius: 5px;
  z-index: -1;
  transform: scaleX(0); transform-origin: left;
  animation: hl-sweep 700ms var(--ease-out) 520ms forwards;
}
@keyframes hl-sweep { to { transform: scaleX(1); } }
@media (prefers-reduced-motion: reduce) { .hero h1 .hl::after { transform: none; animation: none; } }
.hero-sub {
  margin: 24px 0 0;
  max-width: 32em;
  color: var(--fg-soft);
  text-wrap: pretty;
  font-size: clamp(15px, 1.6vw, 18px);
}
.hero-cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }

.hero-meta {
  display: flex; gap: 30px; margin-top: 44px;
  font-size: 13px; color: var(--fg-mute);
  border-top: 1px solid var(--line); padding-top: 22px;
}
.hero-meta b { display: block; font-family: var(--display); font-size: 26px; font-weight: 700; color: var(--cyan); line-height: 1; margin-bottom: 4px; }

/* ----- Showcase: mockup de la plataforma (reemplaza el visor CAD) ----- */
.showcase {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #ffffff;
  box-shadow: var(--shadow);
  padding: 16px;
  will-change: transform;
}
.showcase::before {
  content: '';
  position: absolute; inset: -14% -8% auto -8%; height: 60%;
  background: radial-gradient(60% 100% at 70% 0%, rgba(46, 5, 131, .12), transparent 70%);
  z-index: -1; filter: blur(8px);
}
.sc-bar { display: flex; align-items: center; gap: 7px; padding: 4px 6px 12px; }
.sc-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-strong); }
.sc-dot.is { background: var(--cyan); }
.sc-title { margin-left: 8px; font-size: 12px; font-weight: 600; color: var(--fg-mute); font-family: var(--mono); letter-spacing: .02em; }
.sc-course {
  border: 1px solid var(--line); border-radius: var(--r-md); overflow: hidden; background: #ffffff;
}
.sc-cover {
  height: 116px; display: grid; place-items: center;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  color: #fff; position: relative;
}
.sc-cover svg { width: 52px; height: 52px; }
.sc-cover .sc-badge { position: absolute; top: 12px; left: 12px; font-size: 11px; font-weight: 600; background: rgba(255,255,255,.2); color: #fff; padding: 3px 10px; border-radius: 20px; backdrop-filter: blur(4px); }
.sc-body { padding: 16px; }
.sc-body h4 { font-family: var(--display); font-weight: 600; font-size: 16px; margin: 0; color: var(--fg); }
.sc-body p { font-size: 13px; color: var(--fg-soft); margin: 6px 0 0; }
.sc-progress { margin-top: 14px; }
.sc-track { height: 8px; border-radius: 6px; background: var(--ink-800); overflow: hidden; }
.sc-fill { height: 100%; width: 68%; border-radius: 6px; background: linear-gradient(90deg, var(--cyan), var(--blue)); }
.sc-progress span { display: block; margin-top: 7px; font-size: 11.5px; color: var(--fg-mute); font-family: var(--mono); }
.sc-lessons { margin-top: 14px; display: grid; gap: 8px; }
.sc-lesson { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--fg-soft); }
.sc-check { width: 18px; height: 18px; border-radius: 50%; flex: 0 0 auto; display: grid; place-items: center; border: 1.5px solid var(--line-strong); }
.sc-lesson.done .sc-check { background: var(--green); border-color: var(--green); }
.sc-lesson.done .sc-check svg { width: 11px; height: 11px; color: #fff; }
.sc-lesson.done { color: var(--fg); }

/* ============================================================================
   Tira de métricas
   ========================================================================== */
.stripe {
  border-block: 1px solid var(--line);
  background: var(--ink-900);
}
.stripe .wrap { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat { padding: 28px 18px; text-align: center; border-left: 1px solid var(--line); }
.stat:first-child { border-left: 0; }
.stat b { font-family: var(--display); font-size: clamp(26px, 3vw, 40px); font-weight: 700; display: block; line-height: 1; color: var(--fg); }
.stat b i { color: var(--cyan); font-style: normal; }
.stat span { font-size: 12.5px; letter-spacing: .04em; color: var(--fg-mute); margin-top: 8px; display: block; }

/* ============================================================================
   Secciones genéricas
   ========================================================================== */
section { position: relative; }
.section { padding: clamp(70px, 10vw, 120px) 0; }
.section-head { max-width: 42em; margin-bottom: 50px; }
.section-head h2 {
  font-family: var(--display); font-weight: 700;
  font-size: clamp(28px, 4vw, 44px); line-height: 1.08; letter-spacing: -.02em;
  margin: 16px 0 0; color: var(--fg);
  text-wrap: balance;
}
.section-head p { color: var(--fg-soft); margin: 16px 0 0; font-size: 16.5px; text-wrap: pretty; }

/* ---- Cursos ---- */
.courses { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.course {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: #ffffff;
  padding: 0;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 380ms var(--ease-spring), border-color 320ms var(--ease-out), box-shadow 320ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .course:hover { transform: translateY(-6px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
  .course:hover .course-go { color: var(--cyan); gap: 14px; }
}
.course-vis {
  position: relative; height: 158px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--c-accent, var(--cyan)) 14%, #ffffff), color-mix(in srgb, var(--c-accent, var(--cyan)) 4%, #ffffff));
  display: grid; place-items: center;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
.course-vis svg { width: 88px; height: 88px; position: relative; z-index: 1; }
.course-vis svg [stroke] { stroke: var(--c-accent, var(--cyan)); }
.course-num { position: absolute; top: 12px; left: 14px; font-family: var(--mono); font-size: 11px; color: var(--c-accent, var(--cyan)); letter-spacing: .06em; z-index: 1; font-weight: 600; }
.course-body { padding: 22px 22px 24px; }
.course-kicker { font-size: 12px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--c-accent, var(--cyan)); }
.course h3 { font-family: var(--display); font-weight: 600; font-size: 21px; margin: 10px 0 0; letter-spacing: -.01em; color: var(--fg); }
.course p { color: var(--fg-soft); font-size: 14.5px; margin: 12px 0 0; }
.course-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: 18px 0 0; }
.chip {
  font-size: 12px; font-weight: 500;
  border: 1px solid var(--line-strong); border-radius: 20px; padding: 4px 11px; color: var(--fg-soft); background: var(--ink-900);
}
.course-go { display: inline-flex; align-items: center; gap: 9px; margin-top: 20px; font-weight: 600; font-size: 14px; color: var(--cyan); transition: gap 240ms var(--ease-out), color 240ms var(--ease-out); }
.course.soon { opacity: .82; }
.course.soon .course-vis svg [stroke] { stroke: var(--fg-mute); }
.badge-soon { position: absolute; top: 12px; right: 12px; z-index: 2; font-size: 11px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase; color: var(--amber); border: 1px solid color-mix(in srgb, var(--amber) 40%, transparent); background: color-mix(in srgb, var(--amber) 10%, #fff); border-radius: 20px; padding: 3px 10px; }

/* ---- Método (features) ---- */
.method { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.feature { background: #ffffff; padding: 34px 32px; transition: background 280ms var(--ease-out); }
.feature:hover { background: var(--indigo-50); }
.feature-ic { width: 48px; height: 48px; border-radius: var(--r-md); display: grid; place-items: center; color: var(--cyan); background: var(--indigo-50); margin-bottom: 18px; }
.feature-ic svg { width: 23px; height: 23px; }
.feature h3 { font-family: var(--display); font-weight: 600; font-size: 19px; margin: 0 0 8px; color: var(--fg); }
.feature p { color: var(--fg-soft); font-size: 14.5px; margin: 0; }
.feature .idx { font-family: var(--mono); font-size: 12px; color: var(--cyan); float: right; letter-spacing: .04em; font-weight: 600; }

/* ---- Áreas de aprendizaje ---- */
.areas { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; }
.area {
  position: relative; overflow: hidden;
  border: 1px solid var(--line); border-radius: var(--r-lg);
  background: #ffffff;
  padding: 30px 30px 32px;
  box-shadow: var(--shadow-sm);
  transition: transform 380ms var(--ease-spring), border-color 320ms var(--ease-out), box-shadow 320ms var(--ease-out);
}
.area::after {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--c-accent, var(--cyan));
}
@media (hover: hover) and (pointer: fine) {
  .area:hover { transform: translateY(-4px); border-color: var(--line-strong); box-shadow: var(--shadow-md); }
}
.area-head { display: flex; align-items: center; gap: 16px; }
.area-ic {
  width: 54px; height: 54px; flex: 0 0 auto;
  border-radius: var(--r-md);
  display: grid; place-items: center; color: #ffffff;
  background: linear-gradient(150deg, var(--c-accent, var(--cyan)), color-mix(in srgb, var(--c-accent, var(--cyan)) 70%, #000));
}
.area-ic svg { width: 28px; height: 28px; }
.area-ic svg [stroke] { stroke: #ffffff; }
.area-head .course-kicker { color: var(--c-accent, var(--cyan)); }
.area h3 { font-family: var(--display); font-weight: 600; font-size: 21px; margin: 5px 0 0; letter-spacing: -.01em; color: var(--fg); }
.area > p { color: var(--fg-soft); font-size: 14.5px; margin: 18px 0 0; }
.area-list { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 12px; }
.area-list li { position: relative; padding-left: 26px; color: var(--fg-soft); font-size: 14.5px; }
.area-list li::before {
  content: ''; position: absolute; left: 2px; top: 7px; width: 9px; height: 9px;
  border-radius: 2px;
  background: var(--c-accent, var(--cyan));
}

/* ---- Plataforma (entorno) ---- */
.platform { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; }
.plat { background: #ffffff; padding: 30px 28px; transition: background 280ms var(--ease-out); }
.plat:hover { background: var(--indigo-50); }
.plat-ic { width: 44px; height: 44px; border-radius: var(--r-md); display: grid; place-items: center; color: var(--cyan); background: var(--indigo-50); margin-bottom: 16px; }
.plat-ic svg { width: 21px; height: 21px; }
.plat h3 { font-family: var(--display); font-weight: 600; font-size: 17px; margin: 0 0 7px; color: var(--fg); }
.plat p { color: var(--fg-soft); font-size: 13.8px; margin: 0; }

/* ---- FAQ (acordeón nativo accesible) ---- */
.faq { display: grid; gap: 12px; max-width: 56em; }
.faq-item {
  border: 1px solid var(--line); border-radius: var(--r-md);
  background: #ffffff;
  overflow: hidden; transition: border-color 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}
.faq-item[open] { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 18px 22px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  font-family: var(--display); font-weight: 600; font-size: 16.5px; color: var(--fg);
  transition: color 180ms var(--ease-out);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--cyan); }
.faq-item summary:focus-visible { outline: none; color: var(--cyan); box-shadow: inset 0 0 0 2px rgba(46,5,131,.35); border-radius: var(--r); }
.faq-item summary::after {
  content: '+'; flex: 0 0 auto; line-height: 1;
  font-family: var(--sans); font-size: 22px; font-weight: 400; color: var(--cyan);
  transition: transform 240ms var(--ease-out);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-a { padding: 0 22px 20px; color: var(--fg-soft); font-size: 14.5px; max-width: 62ch; }

/* ---- Banda CTA ---- */
.cta {
  position: relative; overflow: hidden;
  border: 1px solid var(--line-strong); border-radius: var(--r-lg);
  background: linear-gradient(135deg, var(--cyan), var(--cyan-deep));
  padding: clamp(40px, 6vw, 70px);
  text-align: center;
  box-shadow: var(--shadow);
}
.cta::before {
  content: ''; position: absolute; inset: 0; z-index: 0;
  background: radial-gradient(60% 120% at 80% 0%, rgba(255,255,255,.16), transparent 60%);
}
.cta > * { position: relative; z-index: 1; }
.cta .tag { color: #c9bdf2; }
.cta .tag::before { background: #c9bdf2; }
.cta h2 { font-family: var(--display); font-weight: 700; font-size: clamp(28px, 4.4vw, 46px); line-height: 1.06; margin: 14px 0 0; letter-spacing: -.02em; color: #ffffff; text-wrap: balance; }
.cta p { color: rgba(255,255,255,.86); max-width: 36em; margin: 16px auto 0; }
.cta .hero-cta { justify-content: center; }
.cta .btn-primary { background: #ffffff; color: var(--cyan); }
.cta .btn-primary:hover { background: var(--indigo-50); box-shadow: 0 10px 24px -10px rgba(0,0,0,.4); }
.cta .btn-ghost { background: transparent; border-color: rgba(255,255,255,.5); color: #ffffff; }
.cta .btn-ghost:hover { border-color: #ffffff; background: rgba(255,255,255,.12); color: #ffffff; }

/* ---- Footer ---- */
.foot { border-top: 1px solid var(--line); padding: 54px 0 40px; margin-top: 30px; background: var(--ink-900); }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 34px; }
.foot p.desc { color: var(--fg-soft); font-size: 14px; max-width: 26em; margin: 16px 0 0; }
.foot h4 { font-size: 12px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--fg-mute); margin: 0 0 16px; }
.foot ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.foot ul a { color: var(--fg-soft); font-size: 14px; transition: color 160ms var(--ease-out); }
.foot ul a:hover { color: var(--cyan); }
.foot-bottom { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--line); font-size: 12.5px; color: var(--fg-mute); flex-wrap: wrap; }
.foot-bottom a { color: var(--fg-soft); border-bottom: 1px solid var(--line-strong); transition: color 160ms var(--ease-out), border-color 160ms var(--ease-out); }
.foot-bottom a:hover { color: var(--cyan); border-color: var(--cyan); }

/* ============================================================================
   Reveal on scroll
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(22px); }
.reveal.in { opacity: 1; transform: none; transition: opacity 650ms var(--ease-out), transform 650ms var(--ease-out); }
.reveal[data-d="1"].in { transition-delay: 70ms; }
.reveal[data-d="2"].in { transition-delay: 140ms; }
.reveal[data-d="3"].in { transition-delay: 210ms; }
.reveal[data-d="4"].in { transition-delay: 280ms; }

/* entrada del hero (stagger en carga) */
.lift { opacity: 0; transform: translateY(16px); animation: lift 800ms var(--ease-out) forwards; }
.lift[data-d="1"] { animation-delay: 80ms; }
.lift[data-d="2"] { animation-delay: 160ms; }
.lift[data-d="3"] { animation-delay: 240ms; }
.lift[data-d="4"] { animation-delay: 320ms; }
.lift[data-d="5"] { animation-delay: 420ms; }
@keyframes lift { to { opacity: 1; transform: none; } }

@media (prefers-reduced-motion: reduce) {
  .reveal, .lift { opacity: 1 !important; transform: none !important; animation: none !important; }
}

/* ============================================================================
   Responsive
   ========================================================================== */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  /* en pantallas angostas la palabra resaltada puede exceder el ancho si va en nowrap */
  .hero h1 .hl { white-space: normal; }
  .hero { min-height: auto; }
  .showcase { max-width: 460px; margin-inline: auto; width: 100%; }
  .courses { grid-template-columns: 1fr; }
  .method { grid-template-columns: 1fr; }
  .areas { grid-template-columns: 1fr; }
  .platform { grid-template-columns: 1fr; }
  .foot-grid { grid-template-columns: 1fr; gap: 26px; }
  .stripe .wrap { grid-template-columns: repeat(2, 1fr); }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat:nth-child(odd) { border-left: 0; }

  .nav-links {
    position: fixed; inset: 0 0 auto 0; top: 0;
    flex-direction: column; align-items: stretch; gap: 4px;
    padding: 86px 22px 26px;
    background: color-mix(in srgb, #ffffff 97%, transparent);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    transform: translateY(-100%);
    transition: transform 360ms var(--ease-in-out);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a.lnk { padding: 14px; font-size: 16px; }
  .nav-links a.lnk::after { display: none; }
  .nav-links .btn { width: 100%; justify-content: center; margin-top: 8px; }
  .nav-toggle { display: grid; place-items: center; z-index: 60; }
}