/* =========================================================
   PASSO — Sistemas que convierten
   Tokens heredados de la v1 (marca, tipografía, escala) +
   nueva composición: dark, mínima, tecnológica.
   ========================================================= */
:root {
  /* --- Paleta muestreada del asset public/FONDO PRINCIPAL.jpeg --- */
  --sky: #8ea1ba;          /* azul-gris superior del fondo */
  --sky-mid: #b7c7d5;
  --sky-light: #dfe7f2;
  --paper: #f7f9fb;
  --white: #ffffff;
  --blue: #085cf0;         /* azul PASSO, el mismo de la marca del fondo */
  --blue-bright: #2e7cff;
  --blue-deep: #072a63;    /* azul profundo: velo de contraste del hero */
  --blue-soft: #c9dbf5;
  --ink: #0c1424;          /* el negro de la marca, llevado a tinta de texto */

  --bg: #eef3f8;
  --bg-alt: transparent;   /* ya no hay fondos por sección: el degradado es global */
  --fg: var(--ink);
  --fg-muted: #4a5871;
  --fg-faint: #7c889d;
  --accent: var(--blue);
  --accent-bright: var(--blue-bright);
  --accent-hover: #0a4fd0;
  --accent-dim: #073da8;
  --danger: #e04141;
  --success: #0f9f6e;
  --border: rgba(12, 24, 52, 0.1);
  --border-strong: rgba(12, 24, 52, 0.18);
  --on-accent: #ffffff;

  /* --- Liquid glass: una sola receta para todos los componentes --- */
  --glass-fill: linear-gradient(180deg, rgba(255,255,255,0.74), rgba(255,255,255,0.44));
  --glass-fill-strong: linear-gradient(180deg, rgba(255,255,255,0.86), rgba(255,255,255,0.62));
  --glass-border: rgba(255, 255, 255, 0.9);
  --glass-blur: blur(20px) saturate(180%);
  --glass-inset: inset 0 1px 0 rgba(255,255,255,0.95), inset 0 -1px 0 rgba(12,24,52,0.04);
  --glass-shadow: 0 1px 2px rgba(12,24,52,0.05), 0 12px 32px rgba(12,24,52,0.09);
  --glass-shadow-lift: 0 2px 4px rgba(12,24,52,0.06), 0 20px 46px rgba(12,24,52,0.13);

  --font-sans: "Quicksand", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --text-hero: clamp(2.9rem, 1.2rem + 7vw, 7rem);
  --text-display: clamp(2.35rem, 0.9rem + 5.4vw, 5.25rem);
  --text-headline: clamp(1.95rem, 1.1rem + 3vw, 3.5rem);
  --text-statement: clamp(1.0625rem, 0.88rem + 1vw, 1.625rem);
  --text-emphasis: clamp(1.25rem, 1.05rem + 0.9vw, 1.75rem);
  --text-title: clamp(1.25rem, 1rem + 0.8vw, 1.6rem);
  --text-lede: clamp(1.0625rem, 1rem + 0.35vw, 1.25rem);
  --text-lede-sm: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  --text-body: 1rem;
  --text-sm: 0.9375rem;
  --text-xs: 0.875rem;
  --text-label: 0.8125rem;

  --radius-xs: 2px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-8: 3rem;
  --space-10: 4rem;
  --space-12: 5rem;
  --space-16: 7rem;
  --space-18: 8.5rem;

  --container-w: 1320px;
  --gutter: clamp(1.25rem, 4vw, 3.5rem);

  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft: cubic-bezier(0.32, 0.72, 0, 1);
  --dur-fast: 160ms;
  --dur-base: 260ms;
  --dur-slow: 700ms;

  --nav-h: 68px;
  color-scheme: light;
}

/* =========================================================
   Fonts — Quicksand autoalojada (subconjunto latin, cubre el español)
   Los rangos de peso mapean el 200 del diseño al Light real de la familia.
   ========================================================= */
@font-face { font-family:"Quicksand"; src:url("../fonts/Quicksand-Light.woff2") format("woff2"); font-weight:200 300; font-style:normal; font-display:swap; }
@font-face { font-family:"Quicksand"; src:url("../fonts/Quicksand-Regular.woff2") format("woff2"); font-weight:400; font-style:normal; font-display:swap; }
@font-face { font-family:"Quicksand"; src:url("../fonts/Quicksand-Medium.woff2") format("woff2"); font-weight:500; font-style:normal; font-display:swap; }
@font-face { font-family:"Quicksand"; src:url("../fonts/Quicksand-SemiBold.woff2") format("woff2"); font-weight:600; font-style:normal; font-display:swap; }
@font-face { font-family:"Quicksand"; src:url("../fonts/Quicksand-Bold.woff2") format("woff2"); font-weight:700; font-style:normal; font-display:swap; }

/* =========================================================
   Reset & base
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

body {
  position: relative;   /* ancla el degradado global a todo el documento */
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
ul, ol { list-style: none; padding: 0; }
h1, h2, h3, h4 { font-weight: 500; line-height: 1.1; }

::selection { background: var(--accent); color: var(--on-accent); }
html { scrollbar-color: rgba(12,24,52,0.22) transparent; scrollbar-width: thin; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(12,24,52,0.2); border-radius: var(--radius-pill); border: 2px solid transparent; background-clip: padding-box; }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--accent-bright); outline-offset: 3px; border-radius: var(--radius-xs); }

.skip-link {
  position: absolute; left: var(--space-4); top: var(--space-4);
  background: var(--accent); color: var(--on-accent);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-sm);
  z-index: 200; transform: translateY(-200%); font-weight: 600;
  transition: transform var(--dur-fast) var(--ease-out-expo);
}
.skip-link:focus { transform: translateY(0); }

/* =========================================================
   Layout
   ========================================================= */
.container {
  max-width: var(--container-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { position: relative; padding-top: var(--space-18); padding-bottom: var(--space-16); }
/* .section--alt ya no pinta fondo: el degradado global es continuo. */

/* Degradado continuo: una sola capa del alto del documento, sin fondos por
   sección, para que el scroll atraviese una composición única.
   azul claro → casi blanco → blanco → vuelve el azul. */
body::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    var(--sky) 0%,
    #a8bacd 4%,
    var(--sky-mid) 8%,
    var(--sky-light) 13%,
    #e9eff6 19%,
    var(--paper) 27%,
    #fcfdfe 35%,
    var(--white) 44%,
    var(--white) 52%,
    #f8fafd 58%,
    #edf3fb 65%,
    #e2ecfa 73%,
    #d8e6f8 81%,
    #cfe0f6 89%,
    var(--blue-soft) 100%
  );
}
.section, .closing, .footer, .nav { position: relative; }

.section[id], .hero[id], .closing[id] { scroll-margin-top: var(--nav-h); }

.eyebrow {
  font-size: var(--text-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: var(--space-5);
}
.section__head { max-width: 46rem; margin-bottom: var(--space-12); }
.section__head--flush { margin-bottom: 0; }
.section__head--center { max-width: 44rem; margin-inline: auto; text-align: center; }

.section__title {
  font-size: var(--text-headline);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-bottom: var(--space-5);
  text-wrap: balance;
}
.section__title--xl { font-size: var(--text-display); }
.section__lede {
  color: var(--fg-muted);
  font-size: var(--text-lede);
  font-weight: 400;
  max-width: 40rem;
  line-height: 1.55;
}

/* Reveal: una sola gramática de movimiento para toda la página. */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--dur-slow) var(--ease-soft),
              transform var(--dur-slow) var(--ease-soft);
  will-change: opacity, transform;
}
.reveal.is-visible { opacity: 1; transform: none; will-change: auto; }

/* =========================================================
   Liquid glass button — una receta, tres variantes
   ========================================================= */
.glass-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.9rem 1.6rem;
  min-height: 44px;
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--fg);
  isolation: isolate;
  overflow: hidden;
  background: var(--glass-fill);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-inset), var(--glass-shadow);
  transition: transform 340ms var(--ease-soft),
              border-color 340ms var(--ease-soft),
              box-shadow 340ms var(--ease-soft),
              background-color 340ms var(--ease-soft);
}
/* Realce superior: el vidrio "se enciende" en hover, sin glow. */
.glass-btn::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(120% 150% at 50% -30%, rgba(255,255,255,0.75), transparent 62%);
  opacity: 0;
  transition: opacity 420ms var(--ease-soft);
  z-index: -1;
}
/* Reflejo especular: recorre el vidrio en hover, nunca en bucle. */
.glass-btn::after {
  content: "";
  position: absolute;
  inset: -40% -60%;
  background: linear-gradient(105deg, transparent 38%, rgba(255,255,255,0.55) 50%, transparent 62%);
  transform: translateX(-62%);
  transition: transform 900ms var(--ease-soft);
  z-index: -1;
}
.glass-btn--lg { padding: 1.05rem 2rem; font-size: var(--text-body); }
.glass-btn--sm { padding: 0.55rem 1.1rem; font-size: var(--text-xs); min-height: 38px; }
.glass-btn__icon { width: 16px; height: 16px; opacity: 0.75; transition: transform 340ms var(--ease-soft); }

/* Sobre el velo azul del hero: el mismo vidrio, invertido. */
.glass-btn--on-dark {
  color: #fff;
  background: linear-gradient(180deg, rgba(255,255,255,0.24), rgba(255,255,255,0.09));
  border-color: rgba(255,255,255,0.46);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.5),
    inset 0 -1px 0 rgba(255,255,255,0.08),
    0 10px 30px rgba(6,18,40,0.28);
}
.glass-btn--on-dark::before { background: radial-gradient(120% 150% at 50% -30%, rgba(255,255,255,0.45), transparent 62%); }

/* CTA principal: azul de marca con el mismo lenguaje de vidrio encima. */
.glass-btn--solid {
  background: linear-gradient(180deg, var(--blue-bright), var(--blue));
  border-color: rgba(8,92,240,0.55);
  color: #fff;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.38),
    0 1px 2px rgba(8,92,240,0.18),
    0 12px 30px rgba(8,92,240,0.26);
}
.glass-btn--solid::before { background: radial-gradient(120% 150% at 50% -30%, rgba(255,255,255,0.4), transparent 62%); }
.glass-btn--solid .glass-btn__icon { opacity: 0.9; }

@media (hover: hover) and (pointer: fine) {
  .glass-btn:hover {
    transform: translateY(-2px);
    border-color: #fff;
    box-shadow: var(--glass-inset), var(--glass-shadow-lift);
  }
  .glass-btn:hover::before { opacity: 1; }
  .glass-btn:hover::after { transform: translateX(62%); }
  .glass-btn:hover .glass-btn__icon { transform: translateY(2px); }
  .glass-btn--on-dark:hover {
    border-color: rgba(255,255,255,0.7);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6), 0 16px 42px rgba(6,18,40,0.34);
  }
  .glass-btn--solid:hover {
    border-color: rgba(8,92,240,0.75);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), 0 18px 40px rgba(8,92,240,0.34);
  }
  .glass-btn--lg:hover .glass-btn__icon,
  .glass-btn--solid:hover .glass-btn__icon { transform: translateX(3px); }
  .hero__inner .glass-btn:hover .glass-btn__icon { transform: translateY(3px); }
}
.glass-btn:active { transform: translateY(0) scale(0.985); box-shadow: var(--glass-inset), 0 1px 2px rgba(12,24,52,0.08); }
.glass-btn--solid:active { box-shadow: inset 0 1px 0 rgba(255,255,255,0.3), 0 2px 8px rgba(8,92,240,0.28); }

/* =========================================================
   Nav
   ========================================================= */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  z-index: 100;
  background: rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(255, 255, 255, 0.55);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  transition: background-color var(--dur-base) var(--ease-out-expo),
              border-color var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo);
}
.nav[data-scrolled="true"] {
  background: rgba(255, 255, 255, 0.8);
  border-bottom-color: var(--border);
  box-shadow: 0 8px 28px rgba(12, 24, 52, 0.07);
}
.nav__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: var(--space-6); }
.nav__brand { display: flex; align-items: center; gap: 0.6rem; }
.nav__brand-icon { height: 24px; width: auto; }
.nav__brand-word { height: 15px; width: auto; }

.nav__links { display: flex; align-items: center; gap: clamp(1.2rem, 2.4vw, 2.4rem); }
.nav__links > a {
  position: relative;
  font-size: var(--text-sm);
  color: var(--fg-muted);
  padding-block: 4px;
  transition: color var(--dur-fast) var(--ease-out-expo);
}
.nav__links > a[aria-current="true"] { color: var(--fg); }
.nav__links > a::after {
  content: "";
  position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--accent-bright);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out-expo);
}
.nav__links > a[aria-current="true"]::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .nav__links > a:hover { color: var(--fg); }
  .nav__links > a:hover::after { transform: scaleX(1); }
}

.nav__actions { display: flex; align-items: center; gap: var(--space-4); }
.nav__toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav__toggle span { width: 20px; height: 1.5px; background: var(--fg); transition: transform var(--dur-fast) var(--ease-out-expo), opacity var(--dur-fast); }
.nav__toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }
.nav__mobile-cta { display: none; }

/* =========================================================
   1 · Hero
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;   /* fallback para navegadores sin svh */
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-h) + var(--space-6));
  padding-bottom: clamp(var(--space-10), 8vh, var(--space-12));
  overflow: hidden;
  isolation: isolate;
}
/* Capa 2: scrim. Abre contraste justo donde cae el texto, sin apagar la marca. */
.hero__scrim {
  position: absolute; inset: 0; z-index: -2;
  /* Contraste local, no una caja: un velo azul profundo muy difuminado
     detrás del texto, que se disuelve antes de tocar los bordes. */
  background:
    /* croma de marca: evita que el velo se lea gris */
    radial-gradient(72% 48% at 50% 52%, rgba(8,92,240,0.22), rgba(8,92,240,0) 76%),
    radial-gradient(62% 40% at 50% 50%, rgba(5,28,78,0.3), rgba(5,28,78,0) 80%),
    linear-gradient(to bottom,
      rgba(5,28,78,0) 4%,
      rgba(5,28,78,0.28) 23%,
      rgba(5,28,78,0.5) 42%,
      rgba(5,28,78,0.54) 56%,
      rgba(5,28,78,0.46) 68%,
      rgba(5,28,78,0.18) 82%,
      rgba(5,28,78,0) 93%),
    linear-gradient(to bottom, rgba(5,28,78,0.12) 0%, transparent 22%);
}
/* Capa 3: aura de profundidad alrededor de la marca. */
.hero__aura {
  position: absolute; z-index: -2;
  left: 31%; top: 52%;
  width: min(70vw, 680px); aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(8,92,240,0.14), transparent 64%);
  filter: blur(18px);
  animation: auraPulse 9s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes auraPulse {
  from { opacity: 0.5; transform: translate(-50%, -50%) scale(0.94); }
  to   { opacity: 1;   transform: translate(-50%, -50%) scale(1.06); }
}

.hero__inner {
  position: relative;
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(1.5rem, 5vw, 5rem);
  align-items: center;
  transform: translate3d(0, var(--hero-content-shift, 0px), 0);
}
.hero__copy { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }

/* El dispositivo se mueve en sentido contrario al texto: la diferencia es
   lo que da profundidad, no la cantidad de recorrido. */
.hero__device {
  margin: 0;
  display: flex;
  justify-content: center;
  min-width: 0;
  transform: translate3d(0, calc(var(--hero-shift, 0px) * -0.45), 0);
  will-change: transform;
}
.hero__device img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: min(64vh, 620px);
  /* drop-shadow sigue el alfa del PNG: la sombra es del teléfono, no de una caja. */
  filter: drop-shadow(0 26px 44px rgba(8, 22, 52, 0.34)) drop-shadow(0 4px 10px rgba(8, 22, 52, 0.18));
  animation: heroFloat 16s var(--ease-soft) infinite alternate;
}
@keyframes heroFloat {
  from { transform: translate3d(0, -1.1%, 0); }
  to   { transform: translate3d(0, 1.1%, 0); }
}
.hero__eyebrow {
  font-size: var(--text-label);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.74);
  text-shadow: 0 1px 2px rgba(6,18,40,0.34);
  margin-bottom: var(--space-5);
  /* Quicksand es más ancha que la anterior: evita que el separador quede
     solo al principio de la segunda línea en móvil. */
  text-wrap: balance;
}
/* El titular se dimensiona para cruzar el ancho del contenedor en una sola
   línea en desktop; por debajo de ~860px vuelve a partirse en dos. */
.hero__title {
  font-size: clamp(2.5rem, 5.2vw, 5.4rem);
  font-weight: 400;
  letter-spacing: -0.05em;
  line-height: 0.95;
  max-width: none;
  margin-bottom: var(--space-6);
  text-wrap: balance;
  color: #fff;
  /* Sombra mínima: sostiene el blanco sin ensuciar el trazo. */
  text-shadow: 0 1px 2px rgba(6,18,40,0.26), 0 16px 48px rgba(6,18,40,0.3);
}
.hero__sub {
  font-size: var(--text-lede);
  font-weight: 400;
  color: rgba(255,255,255,0.92);
  text-shadow: 0 1px 2px rgba(4,16,40,0.42), 0 6px 26px rgba(4,16,40,0.3);
  max-width: 34ch;
  line-height: 1.45;
  margin-bottom: var(--space-8);
}
/* Entrada del hero: una sola cascada, sin rebotes. */
.hero__eyebrow, .hero__title, .hero__sub, .hero__inner .glass-btn {
  opacity: 0;
  transform: translateY(22px);
  animation: heroIn 1000ms var(--ease-soft) forwards;
}
.hero__device img { opacity: 0; animation: heroDeviceIn 1100ms var(--ease-soft) 80ms forwards, heroFloat 16s var(--ease-soft) 1200ms infinite alternate; }
@keyframes heroDeviceIn { from { opacity: 0; transform: translateY(26px); } to { opacity: 1; transform: none; } }
.hero__eyebrow { animation-delay: 120ms; }
.hero__title   { animation-delay: 220ms; }
.hero__sub     { animation-delay: 360ms; }
.hero__inner .glass-btn { animation-delay: 480ms; }
@keyframes heroIn { to { opacity: 1; transform: none; } }

.hero__hint {
  position: absolute;
  left: 50%; bottom: 22px;
  transform: translateX(-50%);
  width: 1px; height: 46px;
  overflow: hidden;
  background: rgba(255,255,255,0.28);
}
.hero__hint-line {
  display: block; width: 100%; height: 40%;
  background: linear-gradient(to bottom, transparent, #fff);
  animation: hintRun 2.6s var(--ease-soft) infinite;
}
@keyframes hintRun {
  0%   { transform: translateY(-100%); opacity: 0; }
  30%  { opacity: 1; }
  100% { transform: translateY(250%); opacity: 0; }
}

/* =========================================================
   Splits
   ========================================================= */
.split {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: start;
}
.split--head { align-items: center; margin-bottom: var(--space-16); }
.split--form { align-items: start; }

/* =========================================================
   2 · Problema — acordeón sin tarjetas
   ========================================================= */
.problems { display: flex; flex-direction: column; }
.problem { border-top: 1px solid var(--border); }
.problem:last-child { border-bottom: 1px solid var(--border); }

.problem__head {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-5);
  width: 100%;
  padding: var(--space-6) 0;
  text-align: left;
  transition: opacity var(--dur-base) var(--ease-out-expo);
}
.problem__idx {
  font-size: var(--text-label);
  color: var(--fg-faint);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  transition: color var(--dur-base);
}
.problem__q {
  font-size: var(--text-title);
  font-weight: 400;
  letter-spacing: -0.02em;
  transition: transform var(--dur-base) var(--ease-out-expo), color var(--dur-base);
}
.problem__sign { position: relative; width: 14px; height: 14px; flex: none; }
.problem__sign::before, .problem__sign::after {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 14px; height: 1.5px; background: var(--fg-muted);
  transition: transform var(--dur-base) var(--ease-out-expo), background-color var(--dur-base);
}
.problem__sign::after { transform: rotate(90deg); }
.problem__head[aria-expanded="true"] .problem__sign::after { transform: rotate(0deg); }
.problem__head[aria-expanded="true"] .problem__sign::before,
.problem__head[aria-expanded="true"] .problem__sign::after { background: var(--accent-bright); }
.problem__head[aria-expanded="true"] .problem__idx { color: var(--accent-bright); }

@media (hover: hover) and (pointer: fine) {
  .problem__head:hover .problem__q { transform: translateX(6px); }
  .problem__head:hover .problem__sign::before,
  .problem__head:hover .problem__sign::after { background: var(--fg); }
}

.problem__panel { height: 0; overflow: hidden; transition: height 420ms var(--ease-soft); }
.problem__body {
  padding: 0 0 var(--space-6) calc(var(--space-5) + 1.5rem);
  color: var(--fg-muted);
  font-size: var(--text-lede-sm);
  font-weight: 400;
  line-height: 1.65;
  max-width: 46ch;
  opacity: 0;
  transform: translateY(-6px);
  transition: opacity 320ms var(--ease-soft) 60ms, transform 320ms var(--ease-soft) 60ms;
}
.problem.is-open .problem__body { opacity: 1; transform: none; }

/* =========================================================
   Gráficas SVG (2 y 3) — solo línea + flecha
   ========================================================= */
.chart { margin: 0; padding-block: var(--space-6); }
.chart__svg { width: 100%; height: auto; overflow: visible; }

.chart__line,
.chart__arrow {
  fill: none;
  stroke-width: 2.25;
  stroke-linecap: round;
  stroke-linejoin: round;
}
/* --len lo fija el JS con la longitud real del trazo; 900 es el respaldo. */
.chart__line {
  --len: 900;
  stroke-dasharray: var(--len);
  stroke-dashoffset: var(--len);
}
/* Ciclo: dibuja (0-60%), sostiene con la flecha (60-94%), corta en seco y
   deja un respiro mínimo antes de volver a empezar. */
@keyframes chartDraw {
  0%      { stroke-dashoffset: var(--len); }
  60%     { stroke-dashoffset: 0; }
  94%     { stroke-dashoffset: 0; }
  94.01%  { stroke-dashoffset: var(--len); }
  100%    { stroke-dashoffset: var(--len); }
}
@keyframes chartArrow {
  0%, 55%      { opacity: 0; }
  63%, 94%     { opacity: 1; }
  94.01%, 100% { opacity: 0; }
}
.chart.is-live .chart__line {
  animation: chartDraw 4200ms cubic-bezier(0.42, 0, 0.58, 1) infinite;
}
.chart__line--down { stroke: var(--danger); filter: drop-shadow(0 0 12px rgba(255,77,77,0.3)); }
.chart__line--up { stroke: var(--success); filter: drop-shadow(0 0 12px rgba(46,230,160,0.28)); }

.chart__arrow { opacity: 0; }
.chart.is-live .chart__arrow { animation: chartArrow 4200ms linear infinite; }
.chart__arrow--down { stroke: var(--danger); filter: drop-shadow(0 0 10px rgba(255,77,77,0.3)); }
.chart__arrow--up { stroke: var(--success); filter: drop-shadow(0 0 10px rgba(46,230,160,0.28)); }

/* =========================================================
   3 · Timeline
   ========================================================= */
.timeline { position: relative; padding-top: var(--space-6); }
.timeline__track {
  position: absolute;
  top: calc(var(--space-6) + 27px);
  left: 7%; right: 7%;
  height: 1px;
  background: var(--border-strong);
}
.timeline__progress {
  position: absolute; inset: 0 auto 0 0;
  width: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-bright));
  transform: scaleX(0);
  transform-origin: left center;
}
.timeline.is-live .timeline__progress { animation: trackFill 3400ms var(--ease-soft) forwards; }
@keyframes trackFill { to { transform: scaleX(1); } }

.timeline__signal {
  position: absolute;
  top: 50%; left: 0;
  width: 9px; height: 9px;
  margin: -4.5px 0 0 -4.5px;
  border-radius: 50%;
  background: var(--blue-bright);
  box-shadow: 0 0 0 3px rgba(255,255,255,0.9), 0 0 0 6px rgba(8,92,240,0.18), 0 0 16px 3px rgba(8,92,240,0.4);
  opacity: 0;
}
.timeline.is-live .timeline__signal { animation: signalRun 3400ms var(--ease-soft) infinite; }
@keyframes signalRun {
  0%   { left: 0;    opacity: 0; }
  8%   { opacity: 1; }
  88%  { opacity: 1; }
  100% { left: 100%; opacity: 0; }
}

.timeline__stages {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-4);
}
.timeline__stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
  opacity: 0.32;
  transform: translateY(8px);
  transition: opacity 520ms var(--ease-soft), transform 520ms var(--ease-soft);
  transition-delay: calc(var(--i) * 420ms);
}
.timeline.is-live .timeline__stage { opacity: 1; transform: none; }

.timeline__node {
  display: grid;
  place-items: center;
  width: 54px; height: 54px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--glass-fill);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  box-shadow: var(--glass-inset), 0 4px 14px rgba(12,24,52,0.06);
  color: var(--fg-muted);
  transition: color 520ms var(--ease-soft), border-color 520ms var(--ease-soft), box-shadow 520ms var(--ease-soft);
  transition-delay: calc(var(--i) * 420ms);
}
.timeline__node svg { width: 22px; height: 22px; }
.timeline.is-live .timeline__node {
  color: var(--blue);
  border-color: rgba(8,92,240,0.34);
  box-shadow: var(--glass-inset), 0 0 0 4px rgba(8,92,240,0.08), 0 10px 24px rgba(8,92,240,0.14);
}
.timeline__label {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--fg-muted);
  letter-spacing: -0.01em;
  transition: color 520ms var(--ease-soft);
  transition-delay: calc(var(--i) * 420ms);
}
.timeline.is-live .timeline__label { color: var(--fg); }

/* =========================================================
   4 · Pilares
   ========================================================= */
.pillars { display: flex; flex-direction: column; gap: clamp(3.5rem, 8vw, 7rem); }
/* Fila por servicio: texto a un lado, imagen al otro, alternando. */
.pillar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(2rem, 6vw, 5.5rem);
  align-items: center;
}
.pillar:nth-child(even) .pillar__media { order: -1; }
.pillar__text { position: relative; padding-bottom: var(--space-6); min-width: 0; }

/* Sin tarjeta: el PNG recortado flota sobre el degradado y la sombra sigue
   su alfa, así que es sombra del teléfono, no de un rectángulo. */
.pillar__media { margin: 0; display: flex; justify-content: center; min-width: 0; }
.pillar__media img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: clamp(392px, 56vh, 600px);
  filter: drop-shadow(0 26px 44px rgba(8, 22, 52, 0.24)) drop-shadow(0 4px 10px rgba(8, 22, 52, 0.12));
  transition: transform 700ms var(--ease-soft);
}
@media (hover: hover) and (pointer: fine) {
  .pillar:hover .pillar__media img { transform: translateY(-6px); }
}

.pillar__num {
  font-size: var(--text-label);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
  color: var(--accent-bright);
  margin-bottom: var(--space-4);
}
.pillar__title {
  font-size: var(--text-display);
  font-weight: 400;
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: var(--space-4);
  transition: transform var(--dur-base) var(--ease-out-expo);
}
.pillar__desc {
  color: var(--fg-muted);
  font-size: var(--text-lede-sm);
  font-weight: 400;
  line-height: 1.6;
  max-width: 34ch;
}
.pillar__rule {
  position: absolute; left: 0; bottom: 0; height: 1px; width: 100%;
  background: linear-gradient(90deg, var(--accent-bright), transparent);
  transform: scaleX(0.14); transform-origin: left;
  transition: transform 700ms var(--ease-soft);
}
.pillar.is-visible .pillar__rule { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .pillar:hover .pillar__title { transform: translateX(6px); }
}

/* =========================================================
   5 · Resultados / dashboard
   ========================================================= */
.dash {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--glass-fill-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-inset), var(--glass-shadow);
  overflow: hidden;
}
.dash__bar {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

/* Casos de éxito: mismo panel de vidrio, con el nombre del negocio arriba. */
/* Carrusel: los tres paneles comparten una misma celda de rejilla, así el
   escenario mide lo que el panel más alto y no hace falta altura por JS.
   La posición la decide data-pos (-1 lateral izq · 0 activo · 1 lateral der). */
.carousel {
  position: relative;
  overflow: hidden;
  padding: 14px clamp(8px, 2vw, 44px) 46px;
  margin-inline: calc(clamp(8px, 2vw, 44px) * -1);
}
.carousel__stage {
  display: grid;
  width: min(100%, 880px);
  margin-inline: auto;
}
.case {
  grid-area: 1 / 1;
  transition: transform 760ms var(--ease-soft), opacity 760ms var(--ease-soft);
  will-change: transform, opacity;
}
.case[data-pos="0"]  { transform: none; opacity: 1; z-index: 3; }
.case[data-pos="-1"] { transform: translateX(-56%) scale(0.84); opacity: 0.42; z-index: 2; }
.case[data-pos="1"]  { transform: translateX(56%) scale(0.84); opacity: 0.42; z-index: 2; }
/* El panel que da la vuelta cruza el escenario sin verse: reaparece del otro
   lado con un fundido, en vez de barrer por detrás del activo. */
.case.is-jumping { transition: none; opacity: 0; }
.case[data-pos="0"] { pointer-events: auto; }
.case[data-pos="-1"], .case[data-pos="1"] { pointer-events: none; }

.carousel__nav {
  position: absolute;
  inset: 0 clamp(8px, 2vw, 44px) 46px;
  z-index: 4;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}
.carousel__btn {
  pointer-events: auto;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  color: var(--fg);
  background: var(--glass-fill-strong);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-inset), var(--glass-shadow);
  transition: transform var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo),
              border-color var(--dur-base) var(--ease-out-expo);
}
.carousel__btn svg { width: 17px; height: 17px; }
@media (hover: hover) and (pointer: fine) {
  .carousel__btn:hover { transform: translateY(-2px); border-color: #fff; box-shadow: var(--glass-inset), var(--glass-shadow-lift); }
}
.carousel__btn:active { transform: scale(0.94); }
.case__head { padding: clamp(1.1rem, 2.2vw, 1.75rem) clamp(1.25rem, 2.4vw, 2rem); }
.case__name {
  font-size: clamp(1.6rem, 1.1rem + 1.9vw, 2.75rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.05;
  min-width: 0;
}
.dash__live { display: inline-flex; align-items: center; gap: 0.6rem; font-size: var(--text-sm); color: var(--fg); letter-spacing: -0.01em; }
.dash__live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); box-shadow: 0 0 0 3px rgba(15,159,110,0.16); animation: livePulse 2.6s ease-in-out infinite; }
@keyframes livePulse { 0%,100% { opacity: 0.45; } 50% { opacity: 1; } }

.dash__body { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); }
.dash__visual { position: relative; margin: 0; min-height: 100%; overflow: hidden; border-right: 1px solid var(--border); }
.dash__visual img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85) contrast(1.02) brightness(0.9); }
.dash__visual::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(7,20,45,0.05) 40%, rgba(7,20,45,0.72));
}
.dash__metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.metric {
  padding: clamp(1.5rem, 3vw, 2.4rem);
  border-bottom: 1px solid var(--border);
}
.metric:nth-child(odd) { border-right: 1px solid var(--border); }
.metric:nth-last-child(-n+2) { border-bottom: 0; }
.metric__value {
  font-size: clamp(2.1rem, 1.2rem + 2.6vw, 3.4rem);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--success);
  margin-bottom: var(--space-3);
}
.metric--inverse .metric__value { color: var(--accent-bright); }
.metric__label { font-size: var(--text-sm); color: var(--fg-muted); font-weight: 400; margin-bottom: var(--space-5); }
.metric__spark { width: 100%; max-width: 160px; height: auto; overflow: visible; }
.metric__spark-line {
  fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round;
  color: rgba(15,159,110,0.6);
  stroke-dasharray: 260; stroke-dashoffset: 260;
  transition: stroke-dashoffset 1600ms var(--ease-soft) 200ms;
}
.metric--inverse .metric__spark-line { color: rgba(8,92,240,0.55); }
.dash.is-drawn .metric__spark-line { stroke-dashoffset: 0; }

.dash__foot { padding: var(--space-5); border-top: 1px solid var(--border); }
.dash__bars { display: flex; align-items: flex-end; gap: clamp(5px, 1.2vw, 14px); height: 84px; }
.dash__bars span {
  flex: 1;
  height: var(--h);
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, rgba(8,92,240,0.55), rgba(8,92,240,0.05));
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 800ms var(--ease-soft);
}
.dash__bars span:nth-child(1) { transition-delay: 40ms; }
.dash__bars span:nth-child(2) { transition-delay: 100ms; }
.dash__bars span:nth-child(3) { transition-delay: 160ms; }
.dash__bars span:nth-child(4) { transition-delay: 220ms; }
.dash__bars span:nth-child(5) { transition-delay: 280ms; }
.dash__bars span:nth-child(6) { transition-delay: 340ms; }
.dash__bars span:nth-child(7) { transition-delay: 400ms; }
.dash__bars span:nth-child(8) { transition-delay: 460ms; }
.dash.is-drawn .dash__bars span { transform: scaleY(1); }

.dash__claim {
  margin-top: var(--space-8);
  font-size: var(--text-emphasis);
  font-weight: 400;
  letter-spacing: -0.03em;
  color: var(--fg);
  max-width: 34ch;
}
/* =========================================================
   6 · Para quién
   ========================================================= */
.fit {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6);
  border-top: 1px solid var(--border);
  padding-top: var(--space-8);
}
.fit__item { padding-right: var(--space-5); }
.fit__title { font-size: var(--text-title); font-weight: 400; letter-spacing: -0.02em; margin-bottom: var(--space-4); }
.fit__desc { color: var(--fg-muted); font-size: var(--text-sm); font-weight: 400; line-height: 1.6; }

.fit__flow {
  display: flex; align-items: center; justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-16);
}
.fit__flow-step {
  padding: 0.55rem 1.2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--glass-border);
  font-size: var(--text-sm);
  color: var(--fg-muted);
  background: var(--glass-fill);
  -webkit-backdrop-filter: blur(12px) saturate(160%);
  backdrop-filter: blur(12px) saturate(160%);
  box-shadow: var(--glass-inset), 0 4px 12px rgba(12,24,52,0.05);
}
.fit__flow-step--end { color: var(--blue); border-color: rgba(8,92,240,0.3); background: linear-gradient(180deg, rgba(255,255,255,0.9), rgba(226,238,255,0.7)); }
.fit__flow-arrow { color: var(--fg-faint); }
.fit__close { margin-top: var(--space-8); text-align: center; color: var(--fg-muted); font-size: var(--text-lede-sm); font-weight: 400; }

/* =========================================================
   7 · Formulario
   ========================================================= */
.diag__points { margin-top: var(--space-8); display: flex; flex-direction: column; gap: var(--space-4); }
.diag__points li {
  position: relative;
  padding-left: var(--space-6);
  color: var(--fg-muted);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.6;
}
.diag__points li::before {
  content: ""; position: absolute; left: 0; top: 0.55em;
  width: 10px; height: 1px; background: var(--accent-bright);
}

.form-wrap {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  background: var(--glass-fill-strong);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--glass-inset), var(--glass-shadow);
}
.form { display: flex; flex-direction: column; gap: var(--space-5); }
.form__row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-5); }
.field { display: flex; flex-direction: column; gap: 0.45rem; min-width: 0; }
.field label { font-size: var(--text-label); letter-spacing: 0.04em; text-transform: uppercase; color: var(--fg-faint); }
.field__opt { text-transform: none; letter-spacing: 0; }
.field input, .field select {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.95rem;
  font: inherit;
  font-size: var(--text-sm);
  color: var(--fg);
  background: rgba(255,255,255,0.72);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  box-shadow: inset 0 1px 2px rgba(12,24,52,0.04);
  transition: border-color var(--dur-base) var(--ease-out-expo),
              background-color var(--dur-base),
              box-shadow var(--dur-base);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none' stroke='%234a5871' stroke-width='1.3'%3E%3Cpath d='M3 5l3 3 3-3'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-size: 12px;
  padding-right: 2.2rem;
}
.field select option { background: #fff; color: var(--fg); }
.field input::placeholder { color: rgba(74,88,113,0.5); }
.field input:focus, .field select:focus { border-color: rgba(8,92,240,0.55); background: #fff; box-shadow: 0 0 0 4px rgba(8,92,240,0.1); }
.field[data-invalid="true"] input, .field[data-invalid="true"] select { border-color: rgba(224,65,65,0.65); box-shadow: 0 0 0 4px rgba(224,65,65,0.08); }
.field__error { font-size: var(--text-label); color: #c62f2f; min-height: 0; }

.form__submit { width: 100%; margin-top: var(--space-2); }
.form__legal { font-size: var(--text-label); color: var(--fg-faint); line-height: 1.55; }
.form__legal a { color: var(--fg-muted); text-decoration: underline; text-underline-offset: 3px; }
.form__status { font-size: var(--text-sm); color: var(--success); }
.form__status[data-state="error"] { color: #c62f2f; }

/* =========================================================
   8 · Cierre con video
   ========================================================= */
.closing {
  position: relative;
  min-height: 86vh;    /* fallback para navegadores sin svh */
  min-height: 86svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  text-align: center;
  padding-block: var(--space-16);
  isolation: isolate;
}
.closing__media { position: absolute; inset: 0; z-index: -2; background: transparent; }
.closing__media video {
  width: 100%; height: 100%;
  object-fit: cover;
  /* El clip es el propio logo animándose: textura ambiental, no una segunda
     marca compitiendo con el wordmark. */
  transform: scale(1.1);
  opacity: 0.45;
  filter: blur(3px) saturate(0.95);
}
.closing__overlay {
  position: absolute; inset: 0; z-index: -1;
  /* Sobre un video claro el overlay también es claro: funde el clip con el
     degradado global por los cuatro bordes. */
  /* El lavado toma el tono del degradado en ese punto del scroll, no blanco:
     así el bloque final no se recorta contra el footer. */
  background:
    radial-gradient(74% 64% at 50% 48%, rgba(228,238,251,0.34), rgba(213,228,249,0.74) 78%),
    linear-gradient(to bottom, #d9e6f8 0%, transparent 16%, transparent 84%, #cfe0f6 100%);
}
.closing__inner { display: flex; flex-direction: column; align-items: center; gap: var(--space-6); }
.closing__word { height: clamp(44px, 8vw, 84px); width: auto; }
.closing__claim {
  font-size: var(--text-display);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
  text-wrap: balance;
}

/* =========================================================
   Footer
   ========================================================= */
.footer { border-top: 1px solid var(--border); padding-top: var(--space-12); padding-bottom: var(--space-8); }
.footer__top {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
  padding-bottom: var(--space-10);
}
.footer__brand-word { height: 26px; width: auto; margin-bottom: var(--space-4); }
.footer__desc { color: var(--fg-muted); font-size: var(--text-sm); font-weight: 400; max-width: 26rem; line-height: 1.6; }
.footer__heading { font-size: var(--text-label); letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-faint); margin-bottom: var(--space-4); }
.footer__links { display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-start; }
.footer__links a { display: inline-flex; align-items: center; min-height: 32px; color: var(--fg-muted); font-size: var(--text-sm); transition: color var(--dur-fast); }
@media (hover: hover) and (pointer: fine) { .footer__links a:hover { color: var(--fg); } }

.footer__bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: var(--space-6);
  border-top: 1px solid var(--border);
  flex-wrap: wrap; gap: var(--space-4);
}
.footer__copy, .footer__fine { color: var(--fg-faint); font-size: var(--text-label); }
.footer__fine { max-width: 42rem; }

/* =========================================================
   Pop-up de conversión
   ========================================================= */
.promo {
  position: fixed;
  inset: 0;
  z-index: 300;
  display: grid;
  place-items: center;
  padding: var(--space-5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 420ms var(--ease-soft), visibility 0s linear 420ms;
}
.promo[data-open="true"] {
  opacity: 1;
  visibility: visible;
  transition: opacity 420ms var(--ease-soft), visibility 0s;
}
.promo__overlay {
  position: absolute; inset: 0;
  background: rgba(10, 24, 52, 0.34);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
}

.promo__card {
  position: relative;
  width: min(100%, 720px);
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  background: linear-gradient(165deg, rgba(255,255,255,0.94), rgba(244,248,253,0.88));
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,1),
    0 32px 80px rgba(9,22,48,0.24);
  transform: translateY(18px) scale(0.98);
  opacity: 0;
  transition: transform 520ms var(--ease-soft), opacity 420ms var(--ease-soft);
}
.promo[data-open="true"] .promo__card { transform: none; opacity: 1; }

.promo__close {
  position: absolute;
  top: 12px; right: 12px;
  z-index: 2;
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  color: var(--fg-muted);
  background: rgba(255,255,255,0.86);
  border: 1px solid var(--border-strong);
  box-shadow: 0 2px 6px rgba(12,24,52,0.08);
  transition: color var(--dur-base), background-color var(--dur-base), transform var(--dur-base) var(--ease-out-expo);
}
.promo__close svg { width: 14px; height: 14px; }
@media (hover: hover) and (pointer: fine) {
  .promo__close:hover { color: var(--fg); background: #fff; box-shadow: 0 4px 12px rgba(12,24,52,0.1); }
}
.promo__close:active { transform: scale(0.92); }

/* Gráfico de barras: crece al abrirse el pop-up. */
.promo__visual {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-5);
  border-right: 1px solid var(--border);
  background:
    radial-gradient(120% 90% at 20% 100%, rgba(15,159,110,0.14), transparent 64%),
    rgba(255,255,255,0.4);
}
.promo__bars {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  height: 116px;
}
.promo__bars span {
  flex: 1;
  height: var(--h);
  border-radius: 3px 3px 0 0;
  background: linear-gradient(180deg, #17b982, rgba(15,159,110,0.14));
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 720ms var(--ease-soft);
}
.promo__bars span:nth-child(1) { transition-delay: 120ms; }
.promo__bars span:nth-child(2) { transition-delay: 200ms; }
.promo__bars span:nth-child(3) { transition-delay: 280ms; }
.promo__bars span:nth-child(4) { transition-delay: 360ms; }
.promo__bars span:nth-child(5) { transition-delay: 440ms; }
.promo__bars span:nth-child(6) { transition-delay: 520ms; }
.promo__bars span:nth-child(7) { transition-delay: 600ms; }
.promo[data-open="true"] .promo__bars span { transform: scaleY(1); }

.promo__visual-label {
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--success);
  letter-spacing: -0.01em;
}

.promo__body { padding: clamp(1.6rem, 3vw, 2.2rem); display: flex; flex-direction: column; align-items: flex-start; }
.promo__eyebrow {
  font-size: var(--text-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-faint);
  margin-bottom: var(--space-4);
}
.promo__title {
  font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.2rem);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}
.promo__text {
  color: var(--fg-muted);
  font-size: var(--text-sm);
  font-weight: 400;
  line-height: 1.6;
  margin-bottom: var(--space-6);
}
.promo__cta { width: 100%; }

/* =========================================================
   WhatsApp flotante
   ========================================================= */
.wa {
  position: fixed;
  right: clamp(1rem, 2.5vw, 1.75rem);
  bottom: clamp(1rem, 2.5vw, 1.75rem);
  z-index: 110;
  display: grid;
  place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  color: #17a05c;
  background: var(--glass-fill-strong);
  border: 1px solid var(--glass-border);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  box-shadow:
    var(--glass-inset),
    0 10px 28px rgba(12,24,52,0.12),
    0 0 0 1px rgba(23,160,92,0.08);
  transition: transform var(--dur-base) var(--ease-out-expo),
              box-shadow var(--dur-base) var(--ease-out-expo),
              border-color var(--dur-base) var(--ease-out-expo);
}
.wa__icon { width: 24px; height: 24px; }
@media (hover: hover) and (pointer: fine) {
  .wa:hover {
    transform: translateY(-3px);
    color: #fff;
    border-color: rgba(23,160,92,0.5);
    background: linear-gradient(180deg, #2bc76f, #17a05c);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.35), 0 16px 38px rgba(23,160,92,0.3);
  }
}
.wa:active { transform: scale(0.94); }

/* El scroll se bloquea solo mientras el pop-up está abierto. */
html.is-locked { overflow: hidden; }

/* =========================================================
   Páginas legales
   ========================================================= */
.legal { padding-top: calc(var(--nav-h) + var(--space-12)); padding-bottom: var(--space-16); }
.legal__wrap { max-width: 46rem; }
.legal__title { font-size: var(--text-display); font-weight: 400; letter-spacing: -0.04em; margin-bottom: var(--space-4); }
.legal__meta { color: var(--fg-faint); font-size: var(--text-label); margin-bottom: var(--space-8); }
.legal__notice {
  display: flex; gap: var(--space-3);
  padding: var(--space-5);
  border: 1px solid rgba(180,120,20,0.22);
  background: rgba(255,214,130,0.16);
  border-radius: var(--radius-md);
  color: #7a5310;
  font-size: var(--text-sm);
  line-height: 1.6;
  margin-bottom: var(--space-10);
}
.legal__notice svg { width: 16px; height: 16px; flex: none; margin-top: 3px; }
.legal h2 { font-size: var(--text-title); font-weight: 500; letter-spacing: -0.02em; margin-top: var(--space-8); margin-bottom: var(--space-4); }
.legal p, .legal li { color: var(--fg-muted); font-size: var(--text-sm); font-weight: 400; line-height: 1.75; }
.legal p + p { margin-top: var(--space-4); }
.legal ul { margin-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.legal li { position: relative; padding-left: var(--space-5); }
.legal li::before { content: ""; position: absolute; left: 0; top: 0.72em; width: 8px; height: 1px; background: var(--accent-bright); }
.legal a { color: var(--fg); text-decoration: underline; text-underline-offset: 3px; }
.legal__back { display: inline-flex; align-items: center; gap: 0.5rem; margin-top: var(--space-10); color: var(--fg-muted); font-size: var(--text-sm); }
.legal__back:hover { color: var(--fg); }

/* =========================================================
   Responsive
   ========================================================= */
/* La navegación colapsa antes que el resto del layout: cinco enlaces
   más el CTA ya no caben en una línea por debajo de ~900px. */
@media (max-width: 900px) {
  .nav__links {
    position: fixed; inset: var(--nav-h) 0 auto 0;
    background: rgba(255,255,255,0.94);
    -webkit-backdrop-filter: var(--glass-blur); backdrop-filter: var(--glass-blur);
    box-shadow: 0 18px 40px rgba(12,24,52,0.1);
    flex-direction: column; align-items: flex-start; gap: 0;
    border-bottom: 1px solid var(--border);
    padding: var(--space-2) var(--gutter) var(--space-6);
    transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity var(--dur-base) var(--ease-out-expo), transform var(--dur-base) var(--ease-out-expo), visibility 0s linear var(--dur-base);
  }
  .nav__links[data-open="true"] { transform: none; opacity: 1; visibility: visible; pointer-events: auto; transition: opacity var(--dur-base) var(--ease-out-expo), transform var(--dur-base) var(--ease-out-expo), visibility 0s; }
  .nav__links > a { width: 100%; padding-block: var(--space-4); border-bottom: 1px solid var(--border); font-size: var(--text-lede); }
  .nav__links > a::after { display: none; }
  .nav__actions > .glass-btn { display: none; }
  .nav__toggle { display: flex; }
  .nav__mobile-cta { display: block; width: 100%; margin-top: var(--space-5); }
  .nav__mobile-cta .glass-btn { width: 100%; }

}

@media (max-width: 1100px) {
  .timeline__stages { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-8) var(--space-4); }
  .timeline__track { display: none; }
  .timeline__stage { opacity: 1; transform: none; }
  .fit { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-8); }
}

@media (max-width: 960px) {
  .split, .split--head, .split--form { grid-template-columns: 1fr; gap: var(--space-10); }
  .split--head { margin-bottom: var(--space-12); }
  .dash__body { grid-template-columns: 1fr; }
  .dash__visual { border-right: 0; border-bottom: 1px solid var(--border); aspect-ratio: 16 / 9; }
  .footer__top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .pillar { grid-template-columns: 1fr; gap: var(--space-6); }
  .pillar:nth-child(even) .pillar__media { order: 0; }
  .pillar__media img { max-height: clamp(364px, 48vh, 476px); }
}

@media (max-width: 720px) {
  .section { padding-top: var(--space-12); padding-bottom: var(--space-12); }
  .hero { min-height: 100vh; min-height: 100svh; align-items: center; padding-top: calc(var(--nav-h) + var(--space-5)); }
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-6); }
  .hero__copy { align-items: center; text-align: center; }
  .hero__device img { max-height: min(38vh, 340px); }
  .hero__aura { left: 50%; top: 32%; width: min(86vw, 400px); }
  .hero__scrim {
    background:
      linear-gradient(to bottom,
        rgba(6,32,84,0.1) 0%,
        rgba(6,32,84,0.06) 26%,
        rgba(6,32,84,0.44) 52%,
        rgba(6,32,84,0.56) 72%,
        rgba(6,32,84,0.5) 88%),
      linear-gradient(to top, var(--sky-light) 0%, rgba(223,231,242,0.4) 6%, transparent 26%);
  }
  .hero__title { font-size: clamp(2.3rem, 11vw, 3.4rem); letter-spacing: -0.04em; }
  .hero__sub { max-width: 32ch; margin-inline: auto; }
  .hero__inner .glass-btn { width: 100%; }
  .hero__hint { display: none; }

  /* Timeline vertical en móvil. */
  .timeline__stages { grid-template-columns: 1fr; gap: 0; }
  .timeline__stage {
    flex-direction: row; align-items: center; text-align: left;
    gap: var(--space-5);
    padding-block: var(--space-4);
    position: relative;
  }
  /* El conector vertical se va rellenando etapa por etapa: es la versión
     móvil de la señal que recorre el sistema en desktop. */
  .timeline__stage::before {
    content: ""; position: absolute;
    left: 26px; top: 50%; bottom: -50%;
    width: 1px;
    background: linear-gradient(to bottom, var(--accent-bright), var(--accent));
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 520ms var(--ease-soft);
    transition-delay: calc(var(--i) * 420ms + 180ms);
  }
  .timeline.is-live .timeline__stage::before { transform: scaleY(1); }
  .timeline__stage:last-child::before { display: none; }
  .timeline__node { width: 52px; height: 52px; flex: none; position: relative; z-index: 1; }

  .pillars { gap: var(--space-12); }
  .pillar__media img { max-height: 420px; }
  .case__name { font-size: clamp(1.45rem, 7vw, 1.9rem); }
  .fit { grid-template-columns: 1fr; gap: var(--space-6); }
  .fit__item { padding-right: 0; }
  .fit__flow { margin-top: var(--space-10); gap: var(--space-3); }
  .fit__flow-step { font-size: var(--text-xs); padding: 0.45rem 0.9rem; }

  .dash__metrics { grid-template-columns: 1fr; }
  .metric:nth-child(odd) { border-right: 0; }
  .metric:nth-last-child(-n+2) { border-bottom: 1px solid var(--border); }
  .metric:last-child { border-bottom: 0; }

  .carousel { padding-bottom: 0; margin-inline: 0; }
  .case[data-pos="-1"] { transform: translateX(-82%) scale(0.88); opacity: 0.22; }
  .case[data-pos="1"]  { transform: translateX(82%) scale(0.88); opacity: 0.22; }
  .carousel__nav {
    position: static;
    justify-content: center;
    gap: var(--space-4);
    margin-top: var(--space-6);
  }
  .carousel__btn { width: 46px; height: 46px; }

  .form__row { grid-template-columns: 1fr; }
  .closing { min-height: 78vh; min-height: 78svh; }

  .promo { padding: var(--space-4); }
  .promo__card { grid-template-columns: 1fr; max-height: 88vh; overflow-y: auto; }
  .promo__visual { border-right: 0; border-bottom: 1px solid var(--border); }
  .promo__bars { height: 84px; }
  .wa { width: 48px; height: 48px; }
  .footer__top { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* =========================================================
   Reduced motion: se conserva el fundido, se retira el viaje.
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  :root { --dur-fast: 100ms; --dur-base: 140ms; --dur-slow: 200ms; }

  .reveal { transform: none; }
  .hero__aura, .hero__hint-line, .dash__live-dot { animation: none; }
  .hero__inner { transform: none !important; }
  .hero__eyebrow, .hero__title, .hero__sub, .hero__inner .glass-btn { animation: none; opacity: 1; transform: none; }
  .hero__device { transform: none !important; }
  .hero__device img { animation: none; opacity: 1; transform: none; }
  .hero__hint { display: none; }

  .timeline__signal { display: none; }
  .timeline.is-live .timeline__progress { animation: none; transform: scaleX(1); }
  .timeline__stage, .timeline__node, .timeline__label, .timeline__stage::before { transition-delay: 0ms !important; }

  .chart.is-live .chart__line,
  .chart.is-live .chart__arrow { animation: none; }
  .chart__line { stroke-dashoffset: 0; }
  .chart__arrow { opacity: 1; }
  .metric__spark-line { transition-duration: 300ms; }
  .dash__bars span { transition-duration: 300ms; transition-delay: 0ms !important; }
  .glass-btn::after { display: none; }
  .promo__card { transform: none; }
  .case { transition-duration: 220ms; }
  .promo__bars span { transition-duration: 200ms; transition-delay: 0ms !important; }
  .wa:hover, .wa:active { transform: none; }
  .glass-btn:hover, .glass-btn:active { transform: none; }
}