/* ====================================================================
   EficiaX — Estilos globales (variante Glassmorphism, para comparar)
   Mismo contenido, misma estructura, mismos textos y misma animación
   que la versión Neumorfismo; cambia el lenguaje visual a paneles de
   vidrio esmerilado (translucidez + backdrop-filter + borde fino) sobre
   un fondo de manchas de color fijas, degradadas, en la familia del
   índigo de marca.
   Mobile-first, con decisiones de layout propias en cada breakpoint.
   Breakpoints principales: 768px (tablet) y 1024px (desktop).
   ==================================================================== */

/* ---------- 1. VARIABLES ---------- */
:root {
  color-scheme: light;

  /* Color de marca: azul eléctrico con una ligera tendencia a violeta
     (evolución de la identidad original #1800AD, ahora más vívida) */
  --color-indigo: #3F2BFF;
  --color-indigo-dark: #1200C2;
  --color-indigo-light: #ECEAFA;
  --color-indigo-tint: #A399FF;

  --color-black: #0A0A0A;
  --color-white: #FFFFFF;
  --color-text-secondary: #3D3A52;

  /* Vidrio claro: se usa sobre el fondo de manchas, en la mayoría de la página */
  --glass-fill: rgba(255, 255, 255, 0.42);
  --glass-fill-strong: rgba(255, 255, 255, 0.74);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-shadow: 0 10px 34px rgba(31, 20, 90, 0.16);
  --glass-shadow-sm: 0 6px 18px rgba(31, 20, 90, 0.14);

  /* Vidrio oscuro: Contacto, Beneficios-hero, Footer */
  --glass-dark-fill: rgba(13, 10, 25, 0.62);
  --glass-dark-fill-soft: rgba(13, 10, 25, 0.4);
  --glass-dark-border: rgba(255, 255, 255, 0.14);
  --glass-dark-shadow: 0 12px 34px rgba(0, 0, 0, 0.4);

  --color-on-dark: rgba(255, 255, 255, 0.7);
  --color-on-dark-border: rgba(255, 255, 255, 0.14);

  --blur-lg: blur(24px) saturate(170%);
  --blur-md: blur(16px) saturate(160%);
  --blur-sm: blur(10px) saturate(150%);

  --font-heading: 'Space Grotesk', 'Poppins', 'Montserrat', sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;

  --container-width: 1180px;
  --radius: 22px;
  --transition: 0.25s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);

  --shadow-indigo: 0 10px 28px rgba(63, 43, 255, 0.4);
  --shadow-indigo-pressed: 0 4px 14px rgba(63, 43, 255, 0.45);
  --shadow-drop: 0 30px 64px rgba(15, 10, 35, 0.4);

  --header-height: 72px;
}

/* ---------- 2. RESET ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-body);
  color: var(--color-black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  background-color: #F3F1FA;
}

/* Manchas de color en una capa propia, fija a la ventana, para poder
   desplazarla con el scroll (ver .bg-blobs en "EFECTOS" más abajo) sin
   tocar el fondo real de <body>. Es lo que el vidrio esmerila: sin
   esto, el glassmorphism no tiene nada que mostrar detrás. Un poco
   más grande que la ventana (inset negativo) para que el desplazamiento
   nunca deje ver un borde vacío. */
.bg-blobs {
  position: fixed;
  inset: -8% -4%;
  z-index: -1;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 12% 12%, rgba(63, 43, 255, 0.55), transparent 32%),
    radial-gradient(circle at 88% 8%, rgba(124, 77, 255, 0.5), transparent 30%),
    radial-gradient(circle at 92% 62%, rgba(46, 94, 255, 0.42), transparent 32%),
    radial-gradient(circle at 6% 68%, rgba(155, 77, 255, 0.4), transparent 30%),
    radial-gradient(circle at 48% 92%, rgba(63, 43, 255, 0.35), transparent 34%),
    radial-gradient(circle at 45% 42%, rgba(46, 94, 255, 0.22), transparent 38%);
  background-repeat: no-repeat;
  background-size: cover;
  will-change: transform;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
  font-size: 1rem;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
}

:focus-visible {
  outline: 2px solid var(--color-indigo);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 1000;
  background: var(--color-black);
  color: var(--color-white);
  padding: 12px 18px;
  border-radius: 8px;
  font-weight: 600;
  transition: top var(--transition);
}

.skip-link:focus {
  top: 16px;
}

/* ---------- 3. LAYOUT HELPERS ---------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Toda sección lleva un velo translúcido: sube el contraste del texto
   suelto (sin tarjeta propia) que flota directo sobre el fondo de manchas,
   sin taparlo del todo — es la lectura del punto "Prioritize Readability". */
.section {
  padding: 72px 0;
  background: rgba(255, 255, 255, 0.42);
}

.section--alt {
  background: rgba(255, 255, 255, 0.6);
}

/* Panel de vidrio genérico: base reutilizada por tarjetas, formulario, nodos... */
.glass {
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

.glass-dark {
  background: var(--glass-dark-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-dark-border);
  box-shadow: var(--glass-dark-shadow);
}

/* Sin soporte de backdrop-filter: se sube la opacidad para no perder legibilidad */
@supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
  .glass, .header, .node__icon, .service-card, .usecase-card, .timeline__step,
  .benefit-tile, .ecosystem__list .flow, .form, .form__group input, .form__group textarea,
  .btn--outline, .nav {
    background: rgba(255, 255, 255, 0.94) !important;
  }

  .glass-dark, .benefit-hero, .contact, .footer {
    background: rgba(12, 9, 24, 0.94) !important;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.4px;
  color: var(--color-indigo);
  margin-bottom: 14px;
}

.eyebrow--on-dark {
  color: var(--color-indigo-tint);
}

.section__title {
  font-size: clamp(1.9rem, 4.4vw, 2.7rem);
  letter-spacing: -0.01em;
  margin-bottom: 14px;
  max-width: 720px;
}

.section__subtitle {
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-bottom: 48px;
  font-size: 1.05rem;
}

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

.grid--services {
  grid-template-columns: 1fr;
}

/* ---------- 4. BOTONES ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 999px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.2px;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition), transform var(--transition);
  white-space: nowrap;
}

/* El CTA principal se mantiene sólido (no vidrio): es la acción crítica
   del sitio y no puede depender de qué mancha de color quede detrás. */
.btn--primary {
  background: var(--color-indigo);
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  box-shadow: var(--shadow-indigo);
}

.btn--primary:hover {
  background: var(--color-indigo-dark);
  transform: translateY(-2px);
}

.btn--primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-indigo-pressed);
}

.btn--outline {
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--color-indigo-dark);
  border: 1px solid var(--glass-border);
}

.btn--outline:hover {
  transform: translateY(-2px);
  background: rgba(255, 255, 255, 0.86);
}

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

/* ---------- 5. MARCA (logo + wordmark) ---------- */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.brand__mark {
  width: 34px;
  height: 34px;
  padding: 6px;
  box-sizing: border-box;
  border-radius: 12px;
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
}

.brand__word {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.28rem;
  letter-spacing: -0.01em;
  color: var(--color-black);
}

.brand--on-dark .brand__word {
  color: var(--color-white);
}

.brand--on-dark .brand__mark {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--glass-dark-border);
}

/* ---------- 6. HEADER ---------- */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.45);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border-bottom: 1px solid var(--glass-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.65);
  box-shadow: var(--glass-shadow-sm);
}

.header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.header__cta {
  display: none;
  padding: 11px 22px;
  font-size: 0.88rem;
}

.nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: rgba(255, 255, 255, 0.6);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  transform: translateX(100%);
  transition: transform var(--transition);
  overflow-y: auto;
}

.nav.is-open {
  transform: translateX(0);
}

.nav__list {
  display: flex;
  flex-direction: column;
  padding: 20px 20px;
  gap: 8px;
}

.nav__link {
  display: block;
  padding: 15px 16px;
  border-radius: 14px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  transition: color var(--transition), background var(--transition);
}

.nav__link:hover {
  color: var(--color-indigo);
  background: rgba(255, 255, 255, 0.5);
}

.hamburger {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  z-index: 101;
  flex-shrink: 0;
  transition: background var(--transition);
}

.hamburger span {
  display: block;
  height: 2px;
  width: 18px;
  background: var(--color-black);
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.is-active {
  background: rgba(255, 255, 255, 0.86);
}

.hamburger.is-active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.hamburger.is-active span:nth-child(2) {
  opacity: 0;
}

.hamburger.is-active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* ---------- 7. COMPONENTE: FLOW (nodos + conectores animados) ---------- */
.flow {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  text-align: center;
  flex-shrink: 0;
}

.node__icon {
  position: relative;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  color: var(--color-black);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--glass-shadow-sm);
}

.node__icon svg {
  width: 22px;
  height: 22px;
}

.node__label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-black);
  line-height: 1.25;
  max-width: 92px;
}

.node--core {
  position: relative;
}

/* el nodo IA es vidrio índigo saturado: se lee como una gema de luz */
.node--core .node__icon {
  background: rgba(63, 43, 255, 0.62);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: var(--shadow-indigo);
}

.node__icon--core img {
  width: 55%;
  height: 55%;
  object-fit: contain;
}

.node__label--core {
  color: var(--color-indigo);
}

.node__glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 140%;
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 43, 255, 0.28), transparent 72%);
  z-index: -1;
  animation: pulseGlow 3.2s ease-in-out infinite;
  pointer-events: none;
}

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

/* tamaños reducidos para filas con más nodos */
.node--sm .node__icon {
  width: 42px;
  height: 42px;
  border-radius: 13px;
}

.node--sm .node__icon svg {
  width: 18px;
  height: 18px;
}

.node--sm .node__label {
  font-size: 0.76rem;
}

.node--xs .node__icon {
  width: 34px;
  height: 34px;
  border-radius: 11px;
}

.node--xs .node__icon svg {
  width: 15px;
  height: 15px;
}

.node--xs .node__label {
  font-size: 0.68rem;
  max-width: 70px;
}

/* conector: un hilo de luz translúcido (mobile: vertical) */
.flow__connector {
  position: relative;
  width: 3px;
  height: 30px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.65);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.45);
  flex-shrink: 0;
}

.flow__dot {
  position: absolute;
  width: 7px;
  height: 7px;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  border-radius: 50%;
  background: var(--color-indigo);
  box-shadow: 0 0 0 4px rgba(63, 43, 255, 0.15);
  opacity: 0;
  animation: dotMoveY 2.4s ease-in-out infinite;
  animation-play-state: paused;
}

.reveal.is-visible .flow__dot {
  animation-play-state: running;
}

/* El flujo del hero es el único gesto de movimiento ambiente y continuo
   de la página (la firma). En el resto de las filas el puntito hace su
   recorrido unas vueltas para que se entienda el flujo y se detiene:
   así el movimiento no compite en 20 lugares a la vez mientras scrolleás. */
.ecosystem__list .flow__dot,
.flow--compact .flow__dot {
  animation-iteration-count: 3;
}

/* conectores compactos (casos de uso): siempre verticales y más finos */
.flow--compact {
  gap: 0;
}

.flow--compact .flow__connector {
  width: 3px;
  height: 22px;
}

.flow--compact .flow__connector--xs {
  width: 2px;
  height: 18px;
}

@keyframes dotMoveY {
  0% { top: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { top: calc(100% - 7px); opacity: 0; }
}

@keyframes dotMoveX {
  0% { left: 0; opacity: 0; }
  15% { opacity: 1; }
  85% { opacity: 1; }
  100% { left: calc(100% - 7px); opacity: 0; }
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.55; transform: translate(-50%, -50%) scale(0.92); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.06); }
}

/* ---------- 8. HERO ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background: transparent;
  min-height: calc(100vh - var(--header-height));
  min-height: calc(100svh - var(--header-height));
  display: flex;
  align-items: center;
  padding: 56px 0;
}

.hero__watermark {
  position: absolute;
  top: 50%;
  right: -12%;
  transform: translateY(-50%);
  font-family: var(--font-heading);
  font-size: 44rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-indigo);
  opacity: 0.05;
  pointer-events: none;
  user-select: none;
}

.hero__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

/* el contenido del hero flota directo sobre el fondo de manchas: necesita
   su propio panel de vidrio para garantizar contraste (ver .glass arriba) */
.hero__content {
  padding: 36px 30px;
  border-radius: var(--radius);
}

.hero__content .reveal:nth-child(1) { transition-delay: 0.02s; }
.hero__content .reveal:nth-child(2) { transition-delay: 0.1s; }
.hero__content .reveal:nth-child(3) { transition-delay: 0.2s; }
.hero__content .reveal:nth-child(4) { transition-delay: 0.3s; }

.hero__title {
  font-size: clamp(2.1rem, 6.4vw, 3.6rem);
  letter-spacing: -0.02em;
}

.hero__title span {
  color: var(--color-indigo);
}

.hero__subtitle {
  color: var(--color-text-secondary);
  margin-top: 20px;
  max-width: 480px;
  font-size: 1.08rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.hero__media {
  display: flex;
  justify-content: center;
  padding: 12px 0;
}

/* Logo del hero: pieza 3D/volumétrica, con brillo ambiental, anillo
   orbital lento y una inclinación que reacciona al scroll (ver
   initHeroLogoTilt en effects.js). El aro y el glow dan sensación de
   profundidad tecnológica sin recargar la composición. */
.hero-logo {
  position: relative;
  width: min(300px, 62vw);
  aspect-ratio: 1;
  margin-inline: auto;
}

.hero-logo__ring {
  position: absolute;
  inset: -7%;
  border-radius: 50%;
  padding: 1.5px;
  background: conic-gradient(from 0deg,
    transparent 0%, rgba(255, 255, 255, 0.9) 6%, transparent 22%,
    transparent 50%, rgba(163, 153, 255, 0.75) 56%, transparent 74%, transparent 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: rotateRing 11s linear infinite;
  pointer-events: none;
}

.hero-logo__glow {
  position: absolute;
  inset: -24%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(63, 43, 255, 0.4), transparent 70%);
  filter: blur(32px);
  z-index: -1;
  animation: pulseGlow 4.4s ease-in-out infinite;
  pointer-events: none;
}

.hero-logo__floor {
  position: absolute;
  left: 50%;
  bottom: -4%;
  width: 66%;
  height: 16%;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(20, 10, 55, 0.3), transparent 72%);
  filter: blur(6px);
  pointer-events: none;
}

.hero-logo__float {
  animation: heroLogoFloat 6.5s ease-in-out infinite;
  will-change: transform;
}

.hero-logo__tilt {
  transform-style: preserve-3d;
  transition: transform 0.2s ease-out;
  will-change: transform;
}

.hero-logo__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter:
    drop-shadow(0 26px 46px rgba(63, 43, 255, 0.4))
    drop-shadow(0 6px 16px rgba(10, 8, 30, 0.25));
}

@keyframes heroLogoFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-14px) rotate(1.1deg); }
}

/* ---------- 9. ECOSISTEMA ---------- */
.ecosystem__list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* cada fila es una bandeja de vidrio que sostiene los nodos */
.ecosystem__list .flow {
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px 20px;
  box-shadow: var(--glass-shadow);
}

/* ---------- 10. SERVICIOS ---------- */
.service-card {
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--glass-shadow);
  transition: box-shadow var(--transition), transform var(--transition), background var(--transition);
}

.service-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.56);
  box-shadow: 0 16px 40px rgba(31, 20, 90, 0.22);
}

.service-card__icon {
  width: 46px;
  height: 46px;
  border-radius: 14px;
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  color: var(--color-indigo);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: transform var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.service-card:hover .service-card__icon {
  background: rgba(63, 43, 255, 0.7);
  border-color: rgba(255, 255, 255, 0.5);
  color: var(--color-white);
  transform: scale(1.08) rotate(-4deg);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
}

.service-card__title {
  font-size: 1.08rem;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.service-card__text {
  color: var(--color-text-secondary);
  font-size: 0.94rem;
}

/* ---------- 11. PROCESO / TIMELINE ---------- */
.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  position: relative;
}

.timeline__step {
  position: relative;
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 30px 26px;
  box-shadow: var(--glass-shadow);
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.timeline.is-visible .timeline__step {
  opacity: 1;
  transform: translateY(0);
}

.timeline.is-visible .timeline__step:nth-child(1) { transition-delay: 0.05s; }
.timeline.is-visible .timeline__step:nth-child(2) { transition-delay: 0.18s; }
.timeline.is-visible .timeline__step:nth-child(3) { transition-delay: 0.31s; }
.timeline.is-visible .timeline__step:nth-child(4) { transition-delay: 0.44s; }

.timeline__number {
  font-family: var(--font-heading);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--color-indigo);
  opacity: 0.35;
  margin-bottom: 10px;
}

.timeline__title {
  font-size: 1.18rem;
  margin-bottom: 10px;
  letter-spacing: -0.01em;
}

.timeline__text {
  color: var(--color-text-secondary);
  font-size: 0.96rem;
}

/* ---------- 12. CASOS DE USO ---------- */
.usecase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.usecase-card {
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 30px 24px;
  box-shadow: var(--glass-shadow);
}

.usecase-card__tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: 24px;
}

/* ---------- 13. BENEFICIOS ---------- */
.benefits__layout {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.benefit-hero {
  background: var(--glass-dark-fill);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border: 1px solid var(--glass-dark-border);
  color: var(--color-white);
  border-radius: var(--radius);
  padding: 40px 32px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--glass-dark-shadow);
}

.benefit-hero__number {
  font-family: var(--font-heading);
  font-size: clamp(3.6rem, 11vw, 5.5rem);
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
}

.benefit-hero__label {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--color-indigo-tint);
  margin-top: 8px;
}

.benefit-hero__text {
  color: var(--color-on-dark);
  font-size: 0.96rem;
  max-width: 320px;
  margin-top: 6px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.benefit-tile {
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 26px 24px;
  box-shadow: var(--glass-shadow);
}

/* Los 4 beneficios no son un proceso ordenado, así que en vez de
   numerarlos (01/02/03/04 implicaría una secuencia que no existe)
   cada uno lleva un ícono propio que representa su idea. */
.benefit-tile__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  margin-bottom: 16px;
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  color: var(--color-indigo);
}

.benefit-tile__icon svg {
  width: 22px;
  height: 22px;
}

.benefit-tile__title {
  font-size: 1.02rem;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.benefit-tile__text {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* ---------- 14. CONTACTO (pantalla completa, vidrio oscuro) ---------- */
.contact {
  position: relative;
  overflow: hidden;
  background: var(--glass-dark-fill);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  color: var(--color-white);
  min-height: calc(100vh - var(--header-height));
  min-height: calc(100svh - var(--header-height));
  display: flex;
  align-items: center;
  padding: 72px 0;
}

.contact__watermark {
  position: absolute;
  top: 50%;
  left: -10%;
  transform: translateY(-50%);
  font-family: var(--font-heading);
  font-size: 40rem;
  font-weight: 700;
  line-height: 1;
  color: var(--color-white);
  opacity: 0.03;
  pointer-events: none;
  user-select: none;
}

.contact__inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact__title {
  font-size: clamp(1.9rem, 5vw, 2.9rem);
  letter-spacing: -0.02em;
  color: var(--color-white);
}

.contact__subtitle {
  color: var(--color-on-dark);
  margin-top: 16px;
  max-width: 420px;
  font-size: 1.05rem;
}

/* ---------- 15. FORMULARIO ---------- */
/* La tarjeta se mantiene como vidrio CLARO y más opaco que el resto
   (0.74 en vez de 0.42): es el punto de conversión del sitio y necesita
   el contraste más alto posible, incluso sobre la sección oscura. */
.form {
  background: var(--glass-fill-strong);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-drop);
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form__group label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-black);
}

.form__group input,
.form__group textarea {
  padding: 14px 16px;
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--color-black);
  transition: background var(--transition), box-shadow var(--transition);
}

.form__group input:focus,
.form__group textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.8);
  box-shadow: 0 0 0 3px rgba(63, 43, 255, 0.25);
}

.form__group.has-error input,
.form__group.has-error textarea {
  box-shadow: 0 0 0 2px #d32f2f;
}

.form__error {
  color: #d32f2f;
  font-size: 0.82rem;
  min-height: 1.1em;
}

.form__submit {
  width: 100%;
  margin-top: 4px;
}

.form__success {
  margin-top: 18px;
  padding: 14px 16px;
  background: var(--color-indigo-light);
  color: var(--color-indigo-dark);
  border-radius: 10px;
  font-weight: 500;
  text-align: center;
  font-size: 0.92rem;
}

.form__success a {
  text-decoration: underline;
  font-weight: 700;
}

/* ---------- 15b. FAQ (acordeón nativo <details>/<summary>) ---------- */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
}

.faq-item {
  border-radius: var(--radius);
  padding: 4px 24px;
  transition: background var(--transition);
}

.faq-item[open] {
  background: var(--glass-fill-strong);
}

.faq-item__q {
  list-style: none;
  cursor: pointer;
  padding: 20px 34px 20px 0;
  position: relative;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-black);
}

.faq-item__q::-webkit-details-marker {
  display: none;
}

.faq-item__q::after {
  content: '+';
  position: absolute;
  right: 2px;
  top: 18px;
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-indigo);
  transition: transform var(--transition);
}

.faq-item[open] .faq-item__q::after {
  transform: rotate(45deg);
}

.faq-item__a {
  color: var(--color-text-secondary);
  font-size: 0.94rem;
  padding-bottom: 22px;
  max-width: 62ch;
}

/* ---------- 16. FOOTER ---------- */
.footer {
  background: var(--glass-dark-fill-soft);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  color: var(--color-on-dark);
  padding: 48px 0 0;
  border-top: 1px solid var(--glass-dark-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  gap: 32px;
  padding-bottom: 36px;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 360px;
}

.footer__tagline {
  font-size: 0.92rem;
  color: var(--color-on-dark);
}

.footer__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 20px;
}

.footer__nav a {
  color: var(--color-on-dark);
  font-weight: 500;
  font-size: 0.92rem;
  transition: color var(--transition);
}

.footer__nav a:hover {
  color: var(--color-white);
}

.footer__contact {
  color: var(--color-on-dark);
  font-size: 0.92rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.footer__contact a:hover {
  color: var(--color-white);
}

.footer__social {
  margin-top: 4px;
}

.footer__bottom {
  border-top: 1px solid var(--glass-dark-border);
  padding: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--color-on-dark);
}

/* ---------- 17. WHATSAPP FLOTANTE ---------- */
.whatsapp-float {
  position: fixed;
  bottom: 22px;
  right: 22px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(37, 211, 102, 0.82);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 26px rgba(15, 110, 60, 0.4);
  z-index: 90;
  transition: transform var(--transition), background var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  background: rgba(37, 211, 102, 0.95);
}

.whatsapp-float:active {
  transform: scale(1);
}

/* ---------- EFECTOS: reflejo de vidrio y progreso de scroll ---------- */
/* Reflejo de luz que sigue al cursor sobre un panel de vidrio: simula
   cómo la luz se mueve sobre una superficie real al inclinarla. Vive
   detrás del contenido (::before sin z-index), nunca tapa el texto. */
.spotlight {
  position: relative;
}

.spotlight::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(circle 240px at var(--spot-x, 50%) var(--spot-y, 50%), rgba(255, 255, 255, 0.4), transparent 70%);
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.spotlight:hover::before {
  opacity: 1;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-indigo), #7C4DFF);
  z-index: 200;
  pointer-events: none;
}

/* ---------- 18. ANIMACIONES SCROLL ---------- */
.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

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

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .timeline__step {
    opacity: 1;
    transform: none;
  }

  .flow__dot,
  .node__glow {
    animation: none !important;
    display: none;
  }

  /* El logo del hero es la única pieza que se mantiene animada incluso con
     "reducir movimiento": es puro transform/opacity (sin filter animado, sin
     disparar layout), así que es liviana y no genera el mareo/incomodidad
     que sí pueden causar parallax o movimiento de layout más agresivo. */

  .service-card:hover .service-card__icon {
    transform: none;
  }
}

/* ====================================================================
   BREAKPOINT 768px — Tablet
   ==================================================================== */
@media (min-width: 768px) {
  .grid--services {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefit-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .usecase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-logo {
    width: min(360px, 40vw);
  }

  .hero__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
  }

  .hero__content {
    flex: 1.1;
  }

  .hero__media {
    flex: 1;
  }

  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact__inner {
    flex-direction: row;
    align-items: center;
    gap: 60px;
  }

  .contact__intro {
    flex: 1;
  }

  .form {
    flex: 1;
    max-width: 460px;
    padding: 36px;
  }

  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  /* la fila de ecosistema pasa a horizontal a partir de tablet */
  .ecosystem__list .flow {
    flex-direction: row;
    justify-content: center;
  }

  .ecosystem__list .flow__connector {
    width: auto;
    height: 3px;
    flex: 1 1 60px;
    min-width: 40px;
  }

  .ecosystem__list .flow__dot {
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    animation-name: dotMoveX;
  }

  /* las tarjetas de casos de uso mantienen su cadena vertical siempre:
     .flow--compact nunca coincide con los selectores de arriba, así
     que no necesita reforzarse en este breakpoint. */
}

/* ====================================================================
   BREAKPOINT 1024px — Desktop
   ==================================================================== */
@media (min-width: 1024px) {
  .hero-logo {
    width: min(420px, 34vw);
  }

  .header__cta {
    display: inline-flex;
  }

  .hamburger {
    display: none;
  }

  .nav {
    position: static;
    inset: auto;
    transform: none;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    overflow: visible;
  }

  .nav__list {
    flex-direction: row;
    padding: 0;
    gap: 4px;
  }

  .nav__link {
    padding: 8px 14px;
    font-size: 0.92rem;
  }

  .grid--services {
    grid-template-columns: repeat(3, 1fr);
  }

  .usecase-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .timeline {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }

  .timeline__step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 48px;
    left: calc(100% + 14px);
    width: calc(100% - 28px);
    height: 2px;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.5s;
  }

  .timeline.is-visible .timeline__step:not(:last-child)::after {
    transform: scaleX(1);
  }

  .benefits__layout {
    flex-direction: row;
    align-items: stretch;
  }

  .benefit-hero {
    flex: 1;
    justify-content: center;
  }

  .benefit-grid {
    flex: 2;
    grid-template-columns: repeat(2, 1fr);
  }

  .section {
    padding: 108px 0;
  }

  .hero {
    padding: 64px 0;
  }
}

/* ====================================================================
   LEGAL — Política de Privacidad / Términos y Condiciones (legal.html)
   ==================================================================== */
.legal-hero {
  position: relative;
  padding: 152px 0 48px;
}

.legal-hero__title {
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  max-width: 640px;
}

.legal-hero__text {
  color: var(--color-text-secondary);
  max-width: 560px;
  margin-top: 16px;
  font-size: 1.05rem;
}

.legal-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  border-radius: 999px;
  background: var(--glass-fill);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow-sm);
  margin-bottom: 32px;
  max-width: 100%;
  overflow-x: auto;
}

.legal-tab {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 12px 20px;
  border-radius: 999px;
  color: var(--color-text-secondary);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.legal-tab.is-active {
  background: var(--color-indigo);
  color: var(--color-white);
}

.legal-panel {
  border-radius: var(--radius);
  padding: 40px 32px;
}

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

.legal-updated {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--glass-border);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.legal-prose h2 {
  font-size: 1.5rem;
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.legal-prose > p:first-of-type {
  color: var(--color-text-secondary);
  max-width: 620px;
  margin-bottom: 32px;
}

.legal-prose h3 {
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  margin-top: 32px;
  margin-bottom: 10px;
}

.legal-prose section:first-of-type h3 {
  margin-top: 0;
}

.legal-prose p {
  color: var(--color-text-secondary);
  max-width: 640px;
  margin-bottom: 12px;
}

.legal-prose ul {
  max-width: 640px;
  margin: 0 0 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.legal-prose li {
  position: relative;
  padding-left: 20px;
  color: var(--color-text-secondary);
}

.legal-prose li::before {
  content: '';
  position: absolute;
  left: 2px;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-indigo);
}

.legal-prose strong {
  color: var(--color-black);
}

/* Texto que el cliente todavía tiene que completar (email, CUIT,
   dominio, jurisdicción...): se marca a propósito para que sea
   imposible publicarlo por error sin llenarlo antes. */
.legal-placeholder {
  color: var(--color-indigo-dark);
  background: rgba(63, 43, 255, 0.1);
  padding: 1px 6px;
  border-radius: 5px;
  border-bottom: 1.5px dashed var(--color-indigo);
  font-weight: 600;
  white-space: nowrap;
}

.footer__bottom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  align-items: center;
}

.footer__legal {
  display: flex;
  gap: 18px;
}

.footer__legal a:hover {
  color: var(--color-white);
}

@media (min-width: 768px) {
  .legal-hero {
    padding-top: 168px;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}