/* ==========================================================================
   Escuela de Conductores Santa María — Sistema de diseño "Señalética vial"
   Sitio demo — propuesta no aprobada por el cliente.

   Índice:
   1. Fuentes (Google Fonts)
   2. Tokens (:root)
   3. Reset básico
   4. Tipografía base
   5. Layout utilitario (.wrap, .grid)
   6. Encabezados de sección (.eyebrow, .section-head)
   7. Botones (.btn, .btn-primary, .btn-outline, .btn-ambar)
   8. Header + navegación (.site-header, .nav, .nav-toggle)
   9. Fondos temáticos (.on-dark, .on-humo)
   10. Ruta-divisor (línea central de carretera)
   11. Footer (.site-footer)
   12. Flotantes y avisos de demo (.wa-float, .demo-ribbon)
   13. Home — héroe, selector de categoría, trust-bar, tarjetas, CTA final
   14. Cursos — pestañas (.tabs, .tab, .tab-panel)
   15. Precios — tarjetas por categoría (.precio-card)
   16. Nuestra Escuela — pasos del curso online (.pasos, .paso)
   17. Contacto — datos, mapa y formulario (.contacto-datos, .mapa-embed, .form-contacto)
   18. Matrícula — wizard de 3 pasos y mock de pago tipo Webpay (.demo-pago, .progreso-pasos, .wizard-panel, .webpay-mock)
   19. Accesibilidad de movimiento reducido
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Fuentes
   -------------------------------------------------------------------------- */
@import url('https://fonts.googleapis.com/css2?family=Archivo+Black&family=Instrument+Sans:ital,wght@0,400;0,500;0,600;0,700;1,400;1,600&family=Space+Mono:wght@400;700&display=swap');

/* --------------------------------------------------------------------------
   2. Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Paleta "Señalética vial" */
  --rojo: #D32421;
  --azul: #132038;
  --ambar: #F2B705;
  --asfalto: #3a4149;
  --humo: #f4f5f7;
  --blanco: #ffffff;

  /* Variantes derivadas para estados hover/foco */
  --rojo-oscuro: #a71c19;
  --azul-claro: #1c2f4d;
  --ambar-oscuro: #d9a204;

  /* Tipografía */
  --f-display: 'Archivo Black', 'Arial Black', sans-serif;
  --f-body: 'Instrument Sans', -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'Space Mono', 'Courier New', monospace;

  /* Layout */
  --maxw: 1180px;
  --radio: 14px;

  /* Espaciado y ritmo */
  --gap: 1.5rem;
  --pad-seccion: clamp(3rem, 6vw, 6rem);

  /* Elevación */
  --sombra: 0 12px 30px -12px rgba(19, 32, 56, 0.28);
  --sombra-sm: 0 4px 14px -6px rgba(19, 32, 56, 0.22);

  /* Movimiento */
  --dur: 0.2s;
  --ease: cubic-bezier(0.4, 0, 0.2, 1);

  /* Franjas fijas superiores (ribbon + header), usadas para offsets de anclas */
  --alto-ribbon: 36px;
  --alto-header: 76px;
  --alto-demo-pago: 40px;
}

/* --------------------------------------------------------------------------
   3. Reset básico
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--alto-ribbon) + var(--alto-header) + 12px);
}

body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

button, input, textarea, select {
  font: inherit;
  color: inherit;
}

a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

/* --------------------------------------------------------------------------
   4. Tipografía base
   -------------------------------------------------------------------------- */
body {
  font-family: var(--f-body);
  background: var(--humo);
  color: var(--azul);
  line-height: 1.55;
  font-size: 16px;
  min-height: 100vh;
  padding-top: var(--alto-ribbon);
}

h1, h2, h3, h4 {
  font-family: var(--f-display);
  text-transform: uppercase;
  color: var(--azul);
  line-height: 1.08;
  letter-spacing: 0.01em;
}

h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.3rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
h4 { font-size: 1.05rem; }

p {
  max-width: 60ch;
}

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.2rem);
  color: var(--asfalto);
  max-width: 55ch;
}

.on-dark .lead { color: rgba(244, 245, 247, 0.86); }

strong { font-weight: 700; }

small, .fine-print {
  font-size: 0.82rem;
  color: var(--asfalto);
}

.mono, .precio {
  font-family: var(--f-mono);
}

main a:not(.btn) {
  color: var(--rojo);
  text-decoration: underline;
  overflow-wrap: break-word;
}

main a:not(.btn):hover {
  color: var(--rojo-oscuro);
}

/* Enlace "saltar al contenido" para accesibilidad de teclado */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  background: var(--blanco);
  color: var(--azul);
  padding: 0.6rem 1rem;
  border-radius: var(--radio);
  z-index: 200;
  transition: top var(--dur) var(--ease);
  box-shadow: var(--sombra-sm);
}

.skip-link:focus {
  top: calc(var(--alto-ribbon) + 0.6rem);
}

/* --------------------------------------------------------------------------
   5. Layout utilitario
   -------------------------------------------------------------------------- */
.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

section {
  padding-block: var(--pad-seccion);
}

.grid {
  display: grid;
  gap: var(--gap);
}

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 860px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 620px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}

/* --------------------------------------------------------------------------
   6. Encabezados de sección
   -------------------------------------------------------------------------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--f-mono);
  color: var(--rojo);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 700;
}

.eyebrow::before {
  content: '';
  width: 1.4em;
  height: 2px;
  background: var(--rojo);
  display: inline-block;
}

.on-dark .eyebrow { color: var(--ambar); }
.on-dark .eyebrow::before { background: var(--ambar); }

.section-head {
  max-width: 62ch;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
  display: grid;
  gap: 0.6rem;
}

.section-head h2 { margin-top: 0.3rem; }

.section-head.center {
  margin-inline: auto;
  text-align: center;
  justify-items: center;
}

/* --------------------------------------------------------------------------
   7. Botones
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0.85em 1.6em;
  border-radius: var(--radio);
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
  white-space: nowrap;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 3px solid var(--ambar);
  outline-offset: 2px;
}

.btn-primary {
  background: var(--rojo);
  color: var(--blanco);
  box-shadow: var(--sombra-sm);
}

.btn-primary:hover {
  background: var(--rojo-oscuro);
  box-shadow: var(--sombra);
}

.btn-outline {
  background: transparent;
  border-color: currentColor;
  color: var(--azul);
}

.btn-outline:hover {
  background: var(--azul);
  color: var(--blanco);
}

.on-dark .btn-outline {
  color: var(--blanco);
}

.on-dark .btn-outline:hover {
  background: var(--blanco);
  color: var(--azul);
}

.btn-ambar {
  background: var(--ambar);
  color: var(--azul);
  box-shadow: var(--sombra-sm);
}

.btn-ambar:hover {
  background: var(--ambar-oscuro);
  box-shadow: var(--sombra);
}

.btn-block { width: 100%; }

.btn-sm {
  padding: 0.55em 1.1em;
  font-size: 0.85rem;
}

@media (max-width: 480px) {
  .btn {
    white-space: normal;
    text-align: center;
  }
}

/* --------------------------------------------------------------------------
   8. Header + navegación
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: var(--alto-ribbon);
  z-index: 100;
  background: rgba(244, 245, 247, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(19, 32, 56, 0.08);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--alto-header);
  gap: 1rem;
}

.brand {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
  color: var(--azul);
}

.brand .eyebrow {
  font-size: 0.68rem;
  margin-bottom: 0.15rem;
}

.brand strong {
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 2vw, 1.9rem);
}

.nav a:not(.btn) {
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  color: var(--azul);
  position: relative;
  padding-block: 0.35rem;
}

.nav a:not(.btn)::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--rojo);
  transition: right var(--dur) var(--ease);
}

.nav a:not(.btn):hover::after,
.nav a[aria-current="page"]::after {
  right: 0;
}

.nav a[aria-current="page"] {
  color: var(--rojo);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  font-size: 1.4rem;
  line-height: 1;
  color: var(--azul);
}

.nav-toggle:hover {
  background: rgba(19, 32, 56, 0.06);
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--blanco);
    box-shadow: var(--sombra);
    border-bottom: 1px solid rgba(19, 32, 56, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--dur) var(--ease);
  }

  .nav.is-open {
    max-height: 70vh;
    overflow-y: auto;
  }

  .nav a {
    padding: 1rem clamp(1.25rem, 4vw, 2.5rem);
    border-top: 1px solid rgba(19, 32, 56, 0.06);
    width: 100%;
  }

  .nav a:not(.btn)::after {
    display: none;
  }

  .nav .btn {
    width: calc(100% - 2 * clamp(1.25rem, 4vw, 2.5rem));
    margin: 1rem clamp(1.25rem, 4vw, 2.5rem) 1.25rem;
  }
}

/* --------------------------------------------------------------------------
   9. Fondos temáticos
   -------------------------------------------------------------------------- */
.on-dark {
  background: var(--azul);
  color: rgba(244, 245, 247, 0.92);
}

.on-dark h1, .on-dark h2, .on-dark h3, .on-dark h4 {
  color: var(--blanco);
}

.on-humo {
  background: var(--humo);
}

/* --------------------------------------------------------------------------
   10. Ruta-divisor — línea central de carretera
   -------------------------------------------------------------------------- */
.ruta-divisor {
  height: 14px;
  width: 100%;
  background-color: var(--asfalto);
  background-image:
    repeating-linear-gradient(
      90deg,
      var(--ambar) 0,
      var(--ambar) 34px,
      transparent 34px,
      transparent 58px
    ),
    linear-gradient(var(--asfalto), var(--asfalto));
  background-repeat: no-repeat;
  background-position: center, center;
  background-size: 100% 4px, 100% 100%;
  border-top: 1px solid rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(0, 0, 0, 0.25);
}

/* --------------------------------------------------------------------------
   11. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--azul);
  color: rgba(244, 245, 247, 0.82);
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

.site-footer h3, .site-footer h4 {
  color: var(--blanco);
  font-size: 1rem;
  margin-bottom: 0.9rem;
}

.site-footer a {
  color: rgba(244, 245, 247, 0.82);
  text-decoration: none;
  overflow-wrap: break-word;
}

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

.footer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 3rem);
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.footer-grid li {
  margin-bottom: 0.55rem;
}

.footer-grid p {
  max-width: 32ch;
  color: rgba(244, 245, 247, 0.7);
}

@media (max-width: 700px) {
  .footer-grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 2rem;
  }
}

.footer-bottom {
  border-top: 1px solid rgba(244, 245, 247, 0.15);
  padding-block: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  justify-content: space-between;
  font-size: 0.82rem;
  color: rgba(244, 245, 247, 0.6);
}

/* --------------------------------------------------------------------------
   12. Flotantes y avisos de demo
   -------------------------------------------------------------------------- */
.wa-float {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 150;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background: #25D366;
  color: var(--blanco);
  width: 58px;
  height: 58px;
  border-radius: 50%;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 10px 24px -6px rgba(19, 32, 56, 0.45);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), width var(--dur) var(--ease),
    border-radius var(--dur) var(--ease), padding var(--dur) var(--ease);
  overflow: hidden;
  white-space: nowrap;
}

.wa-float span.wa-label {
  font-family: var(--f-body);
  font-size: 0.95rem;
  font-weight: 700;
  max-width: 0;
  overflow: hidden;
  transition: max-width var(--dur) var(--ease);
}

.wa-float:hover {
  transform: translateY(-3px);
  border-radius: 999px;
  padding-inline: 1.25rem;
}

.wa-float:hover span.wa-label {
  max-width: 160px;
}

.demo-ribbon {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 200;
  height: var(--alto-ribbon);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  background: var(--asfalto);
  color: var(--humo);
  font-family: var(--f-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-align: center;
  padding-inline: 1rem;
  border-bottom: 2px solid var(--ambar);
}

/* --------------------------------------------------------------------------
   13. Home — héroe, selector de categoría, trust-bar, tarjetas, CTA final
   -------------------------------------------------------------------------- */
.hero .wrap {
  display: grid;
  gap: clamp(2rem, 5vw, 3rem);
}

.hero-content {
  max-width: 62ch;
  display: grid;
  gap: 1.1rem;
}

.selector-cat {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 700px) {
  .selector-cat { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 420px) {
  .selector-cat { grid-template-columns: minmax(0, 1fr); }
}

.selector-cat-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  background: rgba(255, 255, 255, 0.06);
  border: 2px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radio);
  padding: 1.25rem 1.15rem;
  text-decoration: none;
  color: var(--blanco);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.selector-cat-item:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--ambar);
}

.selector-cat-item:focus-visible {
  outline: 3px solid var(--ambar);
  outline-offset: 2px;
}

.selector-cat-icon {
  font-size: 2rem;
  line-height: 1;
}

.selector-cat-title {
  font-family: var(--f-display);
  text-transform: uppercase;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.selector-cat-desc {
  font-size: 0.85rem;
  color: rgba(244, 245, 247, 0.75);
}

.selector-cat-cta {
  margin-top: 0.35rem;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ambar);
}

.trust-bar-section {
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
  border-top: 1px solid rgba(19, 32, 56, 0.08);
  border-bottom: 1px solid rgba(19, 32, 56, 0.08);
}

.trust-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem 2.5rem;
}

.trust-bar li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.84rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--asfalto);
}

@media (max-width: 620px) {
  .trust-bar { justify-content: flex-start; }
}

.card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--sombra-sm);
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.card-icon {
  font-size: 1.8rem;
  line-height: 1;
}

.footer-brand {
  display: inline-flex;
  margin-bottom: 0.9rem;
  color: var(--blanco);
}

.cta-final .wrap {
  text-align: center;
  display: grid;
  gap: 1.25rem;
  justify-items: center;
}

.cta-final .section-head {
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   14. Cursos — pestañas
   -------------------------------------------------------------------------- */
.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.tab {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--azul);
  background: var(--blanco);
  border: 2px solid rgba(19, 32, 56, 0.16);
  border-radius: var(--radio);
  padding: 0.75em 1.4em;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    background-color var(--dur) var(--ease), color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.tab:hover {
  border-color: var(--rojo);
  transform: translateY(-2px);
}

.tab:focus-visible {
  outline: 3px solid var(--ambar);
  outline-offset: 2px;
}

.tab.is-active {
  background: var(--rojo);
  border-color: var(--rojo);
  color: var(--blanco);
  box-shadow: var(--sombra-sm);
}

.tab-panel[hidden] {
  display: none;
}

.tab-panel .card {
  max-width: 62ch;
}

.tab-panel h3 {
  margin-top: 0.4rem;
}

.tab-panel ul {
  display: grid;
  gap: 0.4rem;
}

.tab-panel li {
  position: relative;
  padding-left: 1.4em;
}

.tab-panel li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--rojo);
  font-weight: 700;
}

.tab-panel .precio {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--azul);
}

.tab-panel .precio em {
  font-style: normal;
  font-size: 0.7rem;
  font-family: var(--f-body);
  font-weight: 500;
  color: var(--asfalto);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-left: 0.5em;
}

/* --------------------------------------------------------------------------
   15. Precios — tarjetas por categoría
   -------------------------------------------------------------------------- */
.precio-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--sombra-sm);
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.precio-card-icon {
  font-size: 2rem;
  line-height: 1;
}

.precio-card h3 {
  margin-top: 0;
}

.precio-card-habilita {
  font-size: 0.88rem;
  color: var(--asfalto);
  max-width: none;
}

.precio-card-price {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: clamp(1.7rem, 3vw, 2.1rem);
  color: var(--ambar);
  background: var(--azul);
  border-radius: var(--radio);
  padding: 0.65em 0.9em;
  text-align: center;
  line-height: 1.1;
}

.precio-card-price small {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--f-body);
  font-weight: 500;
  font-size: 0.62rem;
  color: rgba(244, 245, 247, 0.75);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.precio-card-incluye {
  display: grid;
  gap: 0.4rem;
}

.precio-card-incluye li {
  position: relative;
  padding-left: 1.4em;
  font-size: 0.88rem;
}

.precio-card-incluye li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--rojo);
  font-weight: 700;
}

.precio-card .btn {
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   16. Nuestra Escuela — pasos del curso online
   -------------------------------------------------------------------------- */
.pasos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

@media (max-width: 860px) {
  .pasos { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 480px) {
  .pasos { grid-template-columns: minmax(0, 1fr); }
}

.paso {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  box-shadow: var(--sombra-sm);
  display: grid;
  gap: 0.5rem;
  align-content: start;
}

.paso-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 50%;
  background: rgba(211, 36, 33, 0.1);
  color: var(--rojo);
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   17. Contacto — datos, mapa y formulario
   -------------------------------------------------------------------------- */
.contacto-datos {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contacto-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 1rem 1.15rem;
  box-shadow: var(--sombra-sm);
}

.contacto-item .icon {
  font-size: 1.3rem;
  line-height: 1.3;
}

.contacto-item h3 {
  font-size: 0.95rem;
  margin-bottom: 0.15rem;
}

.contacto-item p {
  max-width: none;
}

.contacto-redes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.4rem;
}

.mapa-embed {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra-sm);
}

.mapa-embed iframe {
  display: block;
  width: 100%;
  height: 320px;
  border: 0;
}

.form-contacto {
  display: grid;
  gap: 1.1rem;
  background: var(--blanco);
  border-radius: var(--radio);
  padding: clamp(1.5rem, 3vw, 2rem);
  box-shadow: var(--sombra-sm);
}

.form-field {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}

.form-field label {
  font-weight: 600;
  font-size: 0.9rem;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  min-width: 0;
  border: 2px solid rgba(19, 32, 56, 0.16);
  border-radius: 10px;
  padding: 0.75em 0.9em;
  background: var(--humo);
  font-family: var(--f-body);
  font-size: 0.95rem;
  transition: border-color var(--dur) var(--ease);
}

.form-field textarea {
  min-height: 140px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none;
  border-color: var(--rojo);
}

/* --------------------------------------------------------------------------
   18. Matrícula — wizard de 3 pasos y mock de pago tipo Webpay
   -------------------------------------------------------------------------- */
.demo-pago {
  position: fixed;
  top: var(--alto-ribbon);
  left: 0;
  right: 0;
  z-index: 190;
  height: var(--alto-demo-pago);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  background: var(--ambar);
  color: var(--azul);
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-align: center;
  padding-inline: 1rem;
  border-bottom: 2px solid var(--azul);
}

body.pagina-matricula {
  padding-top: calc(var(--alto-ribbon) + var(--alto-demo-pago));
}

body.pagina-matricula .site-header {
  top: calc(var(--alto-ribbon) + var(--alto-demo-pago));
}

.progreso-pasos {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: clamp(1.75rem, 4vw, 2.5rem);
}

.progreso-item {
  font-family: var(--f-mono);
  font-weight: 700;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--asfalto);
  background: var(--blanco);
  border: 2px solid rgba(19, 32, 56, 0.16);
  border-radius: 999px;
  padding: 0.55em 1.1em;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease),
    background-color var(--dur) var(--ease);
}

.progreso-item.is-completo {
  border-color: var(--ambar);
  background: rgba(242, 183, 5, 0.14);
  color: var(--azul);
}

.progreso-item.is-active {
  border-color: var(--rojo);
  background: rgba(211, 36, 33, 0.08);
  color: var(--rojo);
}

.wizard-panel {
  max-width: 640px;
}

.wizard-panel .paso[hidden] {
  display: none;
}

.wizard-panel .paso {
  max-width: none;
}

.wizard-panel .paso h2 {
  margin-top: 0;
}

.wizard-panel form {
  display: grid;
  gap: 1.1rem;
}

.form-error {
  display: block;
  min-height: 1.1em;
  color: var(--rojo);
  font-size: 0.82rem;
  font-weight: 600;
}

.form-field input[aria-invalid="true"] {
  border-color: var(--rojo);
}

.form-field input[readonly] {
  background: rgba(19, 32, 56, 0.05);
  color: var(--asfalto);
}

.precio-seleccion {
  font-family: var(--f-mono);
  font-size: 1rem;
}

.precio-seleccion em {
  display: block;
  margin-top: 0.3rem;
  font-style: normal;
  font-size: 0.7rem;
  font-family: var(--f-body);
  font-weight: 500;
  color: var(--asfalto);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.wizard-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

.webpay-mock {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  background: var(--blanco);
}

.webpay-header {
  background: var(--azul);
  color: var(--blanco);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.webpay-logo {
  font-family: var(--f-display);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  font-size: 1.1rem;
}

.webpay-logo strong {
  color: var(--ambar);
}

.webpay-tag {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: rgba(255, 255, 255, 0.16);
  padding: 0.4em 0.85em;
  border-radius: 999px;
}

.webpay-body {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  display: grid;
  gap: 1rem;
}

.webpay-comercio {
  font-weight: 600;
}

.webpay-monto {
  font-family: var(--f-mono);
  font-size: 1.1rem;
}

.webpay-monto strong {
  color: var(--rojo);
}

.webpay-fila {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
}

@media (max-width: 480px) {
  .webpay-fila {
    grid-template-columns: minmax(0, 1fr);
  }
}

.gracias-resumen p {
  max-width: none;
}

/* --------------------------------------------------------------------------
   19. Accesibilidad de movimiento reducido
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .btn:hover,
  .wa-float:hover,
  .tab:hover {
    transform: none;
  }
}