/* ==========================================================================
   Purple — sitio institucional
   Sin dependencias: HTML, CSS y ~25 líneas de JS.
   ========================================================================== */

/* --------------------------------------------------------------- tipografías */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/inter-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url('../fonts/inter-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF,
    U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020,
    U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Instrument Serif';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('../fonts/instrument-serif-italic-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA,
    U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193,
    U+2212, U+2215, U+FEFF, U+FFFD;
}

/* -------------------------------------------------------------------- tokens */

:root {
  --fondo: #fbfaf9;
  --fondo-suave: #f4f0f8;
  --superficie: #fff;
  --superficie-alta: #fdfcfe;
  --tinta: #1b1226;
  --texto: #3a3348;
  --apagado: #6a6478;
  --linea: #e6e0ec;
  --linea-fuerte: #d3c9df;
  --linea-cierre: transparent;
  --borde-hover: #b9a9d4;
  --seleccion: #ded0f8;
  --violeta: #6d28d9;
  --violeta-hondo: #5a1fb8;
  --violeta-suave: #ede7fb;
  --btn-fondo: #6d28d9;
  --btn-texto: #fff;
  --btn-hover: #5a1fb8;
  --ciruela: #1a1028;
  --ciruela-texto: #ede7f6;
  --ciruela-apagado: #b4a6cc;

  --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
    'Helvetica Neue', Arial, sans-serif;
  --serif: 'Instrument Serif', Georgia, 'Times New Roman', serif;
  --mono: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas,
    'Liberation Mono', monospace;

  --contenedor: 1140px;
  --radio: 0.65rem;
  --radio-grande: 0.9rem;
}

/* ------------------------------------------------------------------ oscuro */

:root[data-tema='oscuro'] {
  --fondo: #14101e;
  --fondo-suave: #1a1430;
  --superficie: #221c3a;
  --superficie-alta: #2a2346;
  --tinta: #f5f2fb;
  --texto: #ded9ec;
  --apagado: #a8a0be;
  --linea: #302945;
  --linea-fuerte: #423960;
  --linea-cierre: #302945;
  --borde-hover: #5b4d84;
  --seleccion: #3b2f66;
  --violeta: #a78bfa;
  --violeta-hondo: #bda7fc;
  --violeta-suave: #2b2150;
  --btn-fondo: #a78bfa;
  --btn-texto: #161024;
  --btn-hover: #bda7fc;
  --ciruela: #0c0814;
  --ciruela-texto: #ede7f6;
  --ciruela-apagado: #b4a6cc;
}

/* --------------------------------------------------------------------- reset */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  margin: 0;
  background: var(--fondo);
  color: var(--texto);
  font-family: var(--sans);
  font-size: clamp(1rem, 0.97rem + 0.12vw, 1.0625rem);
  line-height: 1.62;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
h3,
p,
ul,
figure {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

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

a {
  color: inherit;
}

code,
kbd {
  font-family: var(--mono);
  font-size: 0.9em;
}

kbd {
  padding: 0.1em 0.35em;
  border: 1px solid var(--linea-fuerte);
  border-bottom-width: 2px;
  border-radius: 0.3rem;
  background: var(--superficie-alta);
  color: var(--texto);
}

code {
  padding: 0.1em 0.3em;
  border-radius: 0.3rem;
  background: var(--violeta-suave);
  color: var(--violeta-hondo);
}

::selection {
  background: var(--seleccion);
  color: var(--tinta);
}

:focus-visible {
  outline: 2px solid var(--violeta);
  outline-offset: 3px;
  border-radius: 3px;
}

.defs {
  position: absolute;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 20;
  padding: 0.6rem 1rem;
  border-radius: var(--radio);
  background: var(--tinta);
  color: var(--fondo);
  font-size: 0.9rem;
  text-decoration: none;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0.8rem;
}

/* ------------------------------------------------------------------ layout */

.container {
  width: 100%;
  max-width: var(--contenedor);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4.5vw, 2.5rem);
}

.seccion {
  padding-block: clamp(3rem, 5.5vw, 5rem);
}

.encabezado {
  max-width: 42rem;
}

.encabezado-compacto {
  max-width: 46rem;
}

.etiqueta {
  margin-bottom: 0.9rem;
  color: var(--violeta);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.etiqueta::before {
  content: '♥ ';
  font-size: 0.7em;
  vertical-align: 0.08em;
}

.titulo-seccion {
  color: var(--tinta);
  font-size: clamp(1.85rem, 1.25rem + 2.3vw, 2.75rem);
  font-weight: 640;
  line-height: 1.12;
  letter-spacing: -0.03em;
  text-wrap: balance;
}

.bajada {
  margin-top: 1.1rem;
  color: var(--apagado);
  font-size: clamp(1.05rem, 1rem + 0.3vw, 1.18rem);
  line-height: 1.6;
}

/* ------------------------------------------------------------------ botones */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.7rem 1.2rem;
  border: 1px solid transparent;
  border-radius: var(--radio);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 560;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease,
    color 0.15s ease, transform 0.1s ease;
}

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

.btn-primario {
  background: var(--btn-fondo);
  color: var(--btn-texto);
}

.btn-primario:hover {
  background: var(--btn-hover);
}

.btn-secundario {
  border-color: var(--linea-fuerte);
  background: var(--superficie);
  color: var(--tinta);
}

.btn-secundario:hover {
  border-color: var(--borde-hover);
  background: var(--superficie-alta);
}

.btn-chico {
  padding: 0.5rem 0.9rem;
  font-size: 0.875rem;
}

.btn-grande {
  padding: 0.85rem 1.4rem;
  font-size: 1rem;
}

.enlace-flecha {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--violeta);
  font-weight: 560;
  text-decoration: none;
}

.enlace-flecha svg {
  transition: transform 0.15s ease;
}

.enlace-flecha:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.enlace-flecha:hover svg {
  transform: translate(2px, -2px);
}

.enlace {
  color: var(--violeta);
  font-weight: 560;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

.enlace:hover {
  color: var(--violeta-hondo);
}

/* ------------------------------------------------------------------ header */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--linea);
  background: var(--fondo);
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.topbar-acciones {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--tinta);
  text-decoration: none;
}

.logo-corazon {
  flex: none;
}

.logo-texto {
  font-size: 1.2rem;
  font-weight: 660;
  letter-spacing: -0.025em;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(0.75rem, 2vw, 1.75rem);
}

.nav-enlace {
  color: var(--texto);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
}

.nav-enlace:hover {
  color: var(--violeta);
}

.nav-toggle,
.tema-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  padding: 0;
  border: 1px solid var(--linea-fuerte);
  border-radius: var(--radio);
  background: var(--superficie);
  color: var(--tinta);
  cursor: pointer;
}

.nav-toggle {
  display: none;
}

.tema-toggle {
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.tema-toggle:hover {
  border-color: var(--borde-hover);
  background: var(--superficie-alta);
}

.tema-sol {
  display: none;
}

:root[data-tema='oscuro'] .tema-luna {
  display: none;
}

:root[data-tema='oscuro'] .tema-sol {
  display: block;
}

.menu-movil {
  border-top: 1px solid var(--linea);
  background: var(--fondo);
}

.menu-movil-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-block: 0.85rem 1.25rem;
}

.menu-movil-enlace {
  padding: 0.6rem 0;
  color: var(--tinta);
  font-size: 1.05rem;
  font-weight: 520;
  text-decoration: none;
}

.menu-movil-enlace:hover {
  color: var(--violeta);
}

.menu-movil .btn {
  margin-top: 0.6rem;
}

/* -------------------------------------------------------------------- hero */

.hero {
  padding-block: clamp(3rem, 6vw, 5.5rem) clamp(2rem, 4vw, 3.5rem);
  text-align: center;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-marca {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 4.25rem;
  height: 4.25rem;
  margin-bottom: 1.75rem;
  border: 1px solid var(--linea);
  border-radius: 1.15rem;
  background: var(--fondo-suave);
}

.hero-titulo {
  max-width: 17ch;
  color: var(--tinta);
  font-size: clamp(2.5rem, 1.4rem + 4.6vw, 4.4rem);
  font-weight: 640;
  line-height: 1.04;
  letter-spacing: -0.038em;
  text-wrap: balance;
}

.serif {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--violeta);
}

.hero-bajada {
  max-width: 40rem;
  margin-top: 1.4rem;
  color: var(--apagado);
  font-size: clamp(1.05rem, 1rem + 0.35vw, 1.2rem);
  line-height: 1.58;
  text-wrap: pretty;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 2.1rem;
}

@media (prefers-reduced-motion: no-preference) {
  .hero-marca,
  .hero-titulo,
  .hero-bajada,
  .hero-ctas {
    animation: aparecer 0.5s cubic-bezier(0.22, 0.61, 0.36, 1) backwards;
  }

  .hero-titulo { animation-delay: 0.05s; }
  .hero-bajada { animation-delay: 0.12s; }
  .hero-ctas { animation-delay: 0.19s; }
}

@keyframes aparecer {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  * {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------------------------------------------------------------- producto */

.seccion-producto {
  padding-top: clamp(1rem, 2vw, 1.5rem);
  padding-bottom: clamp(1rem, 2.5vw, 2rem);
}

.captura {
  margin-top: clamp(2rem, 4vw, 3rem);
}

.captura img {
  width: 100%;
  height: auto;
  border: 1px solid var(--linea);
  border-radius: var(--radio-grande);
  box-shadow: 
    0 0 0 1px rgba(27, 18, 38, 0.04),
    0 4px 6px -1px rgba(27, 18, 38, 0.08),
    0 10px 20px -5px rgba(27, 18, 38, 0.12),
    0 25px 50px -12px rgba(27, 18, 38, 0.15);
}

.captura-oscura {
  display: none;
}

:root[data-tema='oscuro'] .captura-clara {
  display: none;
}

:root[data-tema='oscuro'] .captura-oscura {
  display: block;
}

figcaption {
  margin-top: 0.9rem;
  color: var(--apagado);
  font-size: 0.85rem;
}

.acciones-producto {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.25rem;
  margin-top: clamp(1.75rem, 3.5vw, 2.5rem);
}

/* ------------------------------------------------------------------ valores */

.seccion-valores {
  padding-top: clamp(1rem, 2.5vw, 1.5rem);
  padding-bottom: clamp(2rem, 4vw, 3.5rem);
}

.valores {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1.75rem, 4vw, 3.25rem);
}

.valor {
  border-top: 1px solid var(--linea-fuerte);
  padding-top: 1.1rem;
  transition: border-color 0.2s ease;
}

.valor:hover {
  border-top-color: var(--violeta);
}

.valor-indice {
  display: block;
  margin-bottom: 0.85rem;
  color: var(--violeta);
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.valor-titulo {
  color: var(--tinta);
  font-size: 1.15rem;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.valor-texto {
  margin-top: 0.5rem;
  color: var(--apagado);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* --------------------------------------------------------------------- mcp */

.seccion-mcp {
  background: var(--fondo-suave);
  padding-bottom: clamp(2.5rem, 5vw, 4rem);
}

.mcp-ejemplo {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: clamp(1rem, 2.5vw, 2rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}

.panel {
  border: 1px solid var(--linea);
  border-radius: var(--radio-grande);
  background: var(--superficie);
  box-shadow: 
    0 0 0 1px rgba(27, 18, 38, 0.03),
    0 2px 4px rgba(27, 18, 38, 0.06),
    0 8px 16px -4px rgba(27, 18, 38, 0.1),
    0 16px 32px -8px rgba(27, 18, 38, 0.08);
  overflow: hidden;
}

.panel-cabecera {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding: 0.7rem 1.1rem;
  border-bottom: 1px solid var(--linea);
  background: var(--superficie-alta);
}

.panel-marca {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--tinta);
  font-size: 0.8rem;
  font-weight: 620;
  letter-spacing: -0.01em;
}

.panel-marca-neutra {
  color: var(--apagado);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-ruta {
  color: var(--apagado);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.panel-cuerpo {
  padding: 1.15rem 1.25rem 1.35rem;
}

.nota-titulo {
  color: var(--tinta);
  font-size: 1.05rem;
  font-weight: 640;
  letter-spacing: -0.02em;
}

.nota-linea,
.nota-pendiente {
  margin-top: 0.5rem;
  color: var(--texto);
  font-size: 0.93rem;
  line-height: 1.5;
}

.nota-pendiente {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--apagado);
}

.casilla {
  flex: none;
  width: 0.85rem;
  height: 0.85rem;
  border: 1.5px solid var(--linea-fuerte);
  border-radius: 0.2rem;
  background: var(--superficie);
}

.mensaje {
  font-size: 0.93rem;
  line-height: 1.5;
}

.mensaje-usuario {
  margin-bottom: 0.85rem;
  padding: 0.6rem 0.85rem;
  border-radius: 0.75rem 0.75rem 0.2rem 0.75rem;
  background: var(--violeta-suave);
  color: var(--tinta);
  font-weight: 520;
}

.mensaje-respuesta {
  color: var(--texto);
}

.mensaje-nota {
  margin-top: 0.85rem;
  color: var(--apagado);
  font-family: var(--mono);
  font-size: 0.72rem;
}

.mcp-puente {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  color: var(--apagado);
}

.mcp-puente-linea {
  width: 1px;
  height: 1.75rem;
  background: var(--linea-fuerte);
}

.mcp-puente-texto {
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
}

.mcp-pie {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem 2rem;
  margin-top: clamp(1.75rem, 3.5vw, 2.25rem);
}

.nota-pie {
  max-width: 44rem;
  color: var(--apagado);
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------- exportar */

.seccion-exportar {
  padding-top: clamp(2.5rem, 5vw, 4rem);
}

.exportar-cuerpo {
  display: grid;
  grid-template-columns: minmax(0, 22rem) minmax(0, 1fr);
  align-items: start;
  gap: clamp(2.25rem, 6vw, 4.5rem);
  margin-top: clamp(2rem, 4vw, 3rem);
}

.documento img {
  width: 100%;
  height: auto;
  border: 1px solid var(--linea);
  border-radius: 0.35rem;
  background: #fff;
  box-shadow: 0 28px 55px -35px rgba(27, 18, 38, 0.45);
}

.exportar-detalles {
  display: flex;
  flex-direction: column;
  gap: clamp(1.75rem, 3.5vw, 2.5rem);
  max-width: 36rem;
}

.detalle {
  border-top: 1px solid var(--linea-fuerte);
  padding-top: 1.1rem;
}

.detalle-titulo {
  color: var(--tinta);
  font-size: 1.15rem;
  font-weight: 620;
  letter-spacing: -0.02em;
}

.detalle-texto {
  margin-top: 0.5rem;
  color: var(--apagado);
  font-size: 0.98rem;
  line-height: 1.6;
}

.archivo-lista {
  margin-top: 1rem;
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  background: var(--superficie-alta);
  overflow: hidden;
}

.archivo-lista li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.5rem 0.9rem;
  color: var(--texto);
  font-family: var(--mono);
  font-size: 0.8rem;
}

.archivo-lista li + li {
  border-top: 1px solid var(--linea);
}

.archivo-icono {
  position: relative;
  flex: none;
  width: 0.7rem;
  height: 0.88rem;
  border: 1.5px solid currentColor;
  border-radius: 0.15rem;
  opacity: 0.4;
}

.archivo-icono::after {
  content: '';
  position: absolute;
  inset: 0.22rem 0.12rem auto;
  height: 1.5px;
  background: currentColor;
}

/* ------------------------------------------------------------ enterprise */

.seccion-enterprise {
  background: var(--fondo-suave);
  padding-block: clamp(2.5rem, 5vw, 4rem);
}

.enterprise-tarjeta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: clamp(2rem, 5vw, 3.5rem);
  padding: clamp(1.75rem, 4vw, 2.5rem);
  border: 1px solid var(--linea-fuerte);
  border-radius: var(--radio-grande);
  background: var(--superficie);
  box-shadow: 
    0 1px 2px rgba(27, 18, 38, 0.04),
    0 4px 12px -4px rgba(27, 18, 38, 0.08);
}

.enterprise-bajada {
  margin-top: 0.85rem;
}

.titulo-seccion-chico {
  color: var(--tinta);
  font-size: clamp(1.4rem, 1rem + 1.5vw, 1.85rem);
  font-weight: 620;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.enterprise-accion {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  flex-shrink: 0;
}

.btn-enterprise {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radio);
  background: var(--violeta);
  color: #fff;
  font-family: inherit;
  font-size: 0.92rem;
  font-weight: 560;
  line-height: 1.2;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn-enterprise:hover {
  background: var(--violeta-hondo);
}

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

.enterprise-confianza {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  list-style: none;
  padding: 0;
}

.enterprise-confianza li {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  color: var(--apagado);
  font-size: 0.82rem;
}

.enterprise-confianza svg {
  flex-shrink: 0;
  opacity: 0.6;
}

/* --------------------------------------------------------------- principios */

.seccion-principios {
  padding-block: clamp(2.5rem, 5vw, 4rem);
  border-top: 1px solid var(--linea);
}

.principios-titulo {
  color: var(--apagado);
  font-family: var(--mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.principios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: clamp(1rem, 3vw, 2.5rem);
  margin-top: 1.25rem;
  color: var(--apagado);
  font-size: 0.98rem;
}

.principios strong {
  color: var(--tinta);
  font-weight: 620;
}

/* ------------------------------------------------------------------ footer */

.footer {
  border-top: 1px solid var(--linea-cierre);
  background: var(--ciruela);
  color: var(--ciruela-texto);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: clamp(2.25rem, 5vw, 4rem);
  padding-block: clamp(3rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem);
}

.logo-claro {
  color: var(--ciruela-texto);
}

.footer-lema {
  max-width: 24rem;
  margin-top: 1rem;
  color: var(--ciruela-apagado);
  font-size: 0.95rem;
}

.footer-grupos {
  display: grid;
  grid-template-columns: repeat(3, minmax(8rem, auto));
  gap: clamp(1.75rem, 4vw, 3.5rem);
}

.footer-titulo {
  margin-bottom: 0.85rem;
  color: var(--ciruela-texto);
  font-size: 0.8rem;
  font-weight: 620;
  letter-spacing: 0.02em;
}

.footer-grupo ul {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.footer-grupo a {
  color: var(--ciruela-apagado);
  font-size: 0.93rem;
  text-decoration: none;
}

.footer-grupo a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.footer-legal {
  padding-block: 1.35rem 2.25rem;
  border-top: 1px solid rgba(237, 231, 246, 0.14);
  color: var(--ciruela-apagado);
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .valores,
  .principios {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }

  .mcp-ejemplo {
    grid-template-columns: 1fr;
  }

  .mcp-puente {
    flex-direction: row;
    padding-block: 0.25rem;
  }

  .mcp-puente-linea {
    width: 2.5rem;
    height: 1px;
  }

  .exportar-cuerpo {
    grid-template-columns: minmax(0, 20rem);
  }

  .enterprise-tarjeta {
    grid-template-columns: 1fr;
  }

  .enterprise-accion {
    align-items: stretch;
  }

  .btn-enterprise {
    width: 100%;
  }

  .enterprise-confianza {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    justify-content: center;
  }

  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .nav {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .hero {
    text-align: left;
  }

  .hero-inner {
    align-items: flex-start;
  }

  .hero-titulo {
    max-width: 15ch;
  }

  .hero-ctas {
    justify-content: flex-start;
    width: 100%;
  }

  .hero-ctas .btn {
    flex: 1 1 11rem;
  }

  .acciones-producto .btn {
    width: 100%;
  }

  .footer-grupos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
  }
}

@media (max-width: 360px) {
  .hero-ctas {
    flex-direction: column;
  }

  .hero-ctas .btn {
    flex: none;
    width: 100%;
  }

  .footer-grupos {
    grid-template-columns: 1fr;
  }
}

@media print {
  /* Al imprimir se usa siempre la paleta clara. */
  :root[data-tema] {
    --fondo: #fff;
    --fondo-suave: #f4f0f8;
    --superficie: #fff;
    --superficie-alta: #fdfcfe;
    --tinta: #1b1226;
    --texto: #3a3348;
    --apagado: #6a6478;
    --linea: #e6e0ec;
    --linea-fuerte: #d3c9df;
    --linea-cierre: transparent;
    --borde-hover: #b9a9d4;
    --seleccion: #ded0f8;
    --violeta: #6d28d9;
    --violeta-hondo: #5a1fb8;
    --violeta-suave: #ede7fb;
    --btn-fondo: #6d28d9;
    --btn-texto: #fff;
    --btn-hover: #5a1fb8;
    --ciruela: #1a1028;
    --ciruela-texto: #ede7f6;
    --ciruela-apagado: #b4a6cc;
  }

  .topbar,
  .hero-ctas,
  .acciones-producto {
    display: none;
  }

  .captura-oscura {
    display: none;
  }

  :root[data-tema='oscuro'] .captura-oscura {
    display: none;
  }

  :root[data-tema='oscuro'] .captura-clara {
    display: block;
  }

  body {
    background: #fff;
  }
}