/* ============================================================================
   OIL — Operational Intelligence Labs · LANDING V2
   "La costura teal" — un único cable de control teal cose toda la página.
   Brand System v2.1 · estático, sin build · ES por defecto / EN por CSS.
   Premium = restricción. 4–6 efectos firma, todo lo demás es soporte silencioso.
   ============================================================================ */

/* ----------------------------------------------------------------------------
   0 · TOKENS
   ---------------------------------------------------------------------------- */
:root {
  /* Estructura */
  --graphite:    #2F3338;
  --graphite-2:  #54585E;   /* líneas/labels sobre grafito */
  --graphite-bg: #EEEFF1;
  --panel:       #F5F6F8;
  --paper:       #FCFCFD;
  --hair:        #D5D7DB;
  --ink:         #232323;
  --muted:       #5E6166;

  /* Identidad (solo identidad — nunca semáforo) */
  --teal:        #0F7B6C;
  --teal-deep:   #0B5A4F;
  --teal-soft:   rgba(15,123,108,.12);

  /* Pérdida/alerta REAL únicamente */
  --amber:       #B5730F;
  --red:         #B23A2E;

  /* Líneas sobre grafito */
  --line-dark:   rgba(255,255,255,.12);
  --line-dark-2: rgba(255,255,255,.20);

  /* Tipografía */
  --serif: Georgia, "Times New Roman", times, serif;
  --sans:  Calibri, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono:  Consolas, ui-monospace, "SF Mono", Menlo, "Roboto Mono", monospace;

  /* Ritmo */
  --wrap: 1200px;
  --gut:  clamp(20px, 5vw, 64px);
  --sec:  clamp(84px, 12vw, 168px);

  /* Movimiento */
  --ease-out:  cubic-bezier(.22, 1, .36, 1);
  --ease-soft: cubic-bezier(.16, 1, .30, 1);
  --ease-mech: cubic-bezier(.4, 0, .2, 1);

  /* Seam gutter */
  --seam-x: clamp(14px, 3.4vw, 52px);
}

/* ----------------------------------------------------------------------------
   1 · RESET
   ---------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}
html.js.lenis, html.js.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-stopped { overflow: hidden; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: clamp(1rem, .96rem + .3vw, 1.125rem);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
[hidden] { display: none !important; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
em { font-style: italic; }
::selection { background: var(--teal); color: #fff; }

.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut); }

/* idioma: ES visible por defecto; sin JS la web es perfectamente legible.
   IMPORTANTE: siempre acotado a DESCENDIENTES de html[lang]; nunca al propio
   <html> (un [lang="en"] suelto ocultaría toda la página al cambiar a EN). */
html[lang="es"] [lang="en"] { display: none; }
html[lang="en"] [lang="es"] { display: none; }
.asset__img { display: block; }

.skip-link {
  position: fixed; top: 8px; left: 8px; z-index: 9999;
  background: var(--graphite); color: #fff; padding: .6rem 1rem;
  font: 600 .85rem/1 var(--sans); border-radius: 2px;
  transform: translateY(-160%); transition: transform .25s var(--ease-out);
}
.skip-link:focus { transform: none; }

:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 1px;
}

/* ----------------------------------------------------------------------------
   2 · TIPOGRAFÍA COMPARTIDA
   ---------------------------------------------------------------------------- */
.h-display {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.7rem, 1.2rem + 2.4vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
  margin: 0;
  color: var(--ink);
}
.body {
  font-size: clamp(1.02rem, .98rem + .35vw, 1.18rem);
  color: var(--muted);
  line-height: 1.62;
  max-width: 60ch;
  margin: 1.1rem 0 0;
}

/* KICKER — gramática de marca: mono + tick teal. Tick "se mide" al revelar. */
.kicker {
  display: inline-flex;
  align-items: center;
  gap: .72rem;
  margin: 0 0 1.4rem;
  font-family: var(--mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--graphite-2);
}
.kicker__tick {
  flex: none;
  width: 1.5rem; height: 2px;
  background: var(--teal);
  transform-origin: left center;
  transition: transform .42s var(--ease-mech) .04s;
}
.kicker__text {
  transition: opacity .5s var(--ease-out) .12s, letter-spacing .6s var(--ease-out) .12s;
}
/* estado "sin medir" SOLO con JS + data-reveal; sin JS o en páginas legales
   el tick y el texto se ven al 100% (contrato de robustez). */
.js .kicker[data-reveal] .kicker__tick { transform: scaleX(0); }
.js .kicker[data-reveal] .kicker__text { opacity: .55; letter-spacing: .24em; }
.js .kicker[data-reveal].is-revealed .kicker__tick { transform: scaleX(1); }
.js .kicker[data-reveal].is-revealed .kicker__text { opacity: 1; letter-spacing: .16em; }
.kicker--center { justify-content: center; }
.kicker--light { color: #C7CACE; }
.kicker--light .kicker__text { color: #C7CACE; }

/* ----------------------------------------------------------------------------
   3 · BOTONES — un solo sistema: leva de 3px sobre sombra grafito. Sin glow.
   ---------------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  font: 600 .98rem/1 var(--sans);
  letter-spacing: .005em;
  padding: 1rem 1.5rem;
  border-radius: 2px;
  border: 1px solid transparent;
  transition: transform .35s var(--ease-out), box-shadow .35s var(--ease-out),
              background-color .3s var(--ease-out), color .3s var(--ease-out),
              border-color .3s var(--ease-out);
  will-change: transform;
}
.btn .magnetic-inner { display: inline-flex; align-items: center; gap: .55rem; }
.btn__arrow { transition: transform .35s var(--ease-out); }
.btn:hover { transform: translateY(-3px); }
.btn:hover .btn__arrow { transform: translateX(4px); }
.btn:active { transform: translateY(-1px); transition-duration: .1s; }

.btn--solid {
  background: var(--teal);
  color: var(--paper);
  box-shadow: 0 2px 10px rgba(47,51,56,.14);
}
.btn--solid:hover {
  background: var(--teal-deep);
  box-shadow: 0 16px 32px rgba(47,51,56,.22), 0 4px 10px rgba(47,51,56,.14);
}
.btn--ghost {
  background: transparent;
  color: var(--paper);
  border-color: var(--line-dark-2);
  padding: .62rem 1.05rem;
}
.btn--ghost:hover {
  border-color: var(--teal);
  background: rgba(15,123,108,.14);
  box-shadow: 0 12px 24px rgba(0,0,0,.22);
}

/* ----------------------------------------------------------------------------
   4 · CUSTOM CURSOR — retícula de precisión que "fija" el objetivo.
   Adaptativa (oscura sobre claro / clara sobre grafito) para no perderse nunca.
   Sobre lo interactivo, la cruz se retrae y aparecen los corchetes teal — mismo
   motivo que la caja negra y el plano. No es el típico punto+anillo.
   ---------------------------------------------------------------------------- */
.cursor { display: none; }
@media (hover: hover) and (pointer: fine) {
  html.has-cursor, html.has-cursor * { cursor: none; }
  .cursor {
    display: block; position: fixed; top: 0; left: 0; z-index: 9000;
    pointer-events: none; opacity: 0;
    transition: opacity .3s var(--ease-out);
    will-change: transform;
  }
  .cursor.is-ready { opacity: 1; }

  /* punto central preciso */
  .cursor__dot {
    position: absolute; top: 0; left: 0;
    width: 4px; height: 4px; margin: -2px 0 0 -2px;
    background: var(--ink); border-radius: 50%;
    transition: background-color .25s, opacity .25s var(--ease-out), transform .3s var(--ease-out);
  }
  /* retícula (cruz fina, tipo mira de plano) */
  .cursor__reticle { position: absolute; top: 0; left: 0; }
  .cursor__reticle::before, .cursor__reticle::after {
    content: ""; position: absolute; top: 0; left: 0; background: var(--ink);
    transition: background-color .25s, opacity .3s var(--ease-out), transform .35s var(--ease-out);
  }
  .cursor__reticle::before { width: 22px; height: 1px; margin: -0.5px 0 0 -11px; }
  .cursor__reticle::after  { width: 1px; height: 22px; margin: -11px 0 0 -0.5px; }

  /* corchetes de "fijación" — sobre lo interactivo */
  .cursor__b {
    position: absolute; top: 0; left: 0; width: 9px; height: 9px;
    border: 1.5px solid var(--teal); opacity: 0;
    transition: opacity .25s var(--ease-out), transform .35s var(--ease-out), border-color .25s;
  }
  .cursor__b--tl { border-right: 0; border-bottom: 0; transform: translate(-9px, -9px); }
  .cursor__b--tr { border-left: 0;  border-bottom: 0; transform: translate(0, -9px); }
  .cursor__b--bl { border-right: 0; border-top: 0;    transform: translate(-9px, 0); }
  .cursor__b--br { border-left: 0;  border-top: 0;    transform: translate(0, 0); }

  /* adaptación a fondo oscuro (grafito): retícula clara, corchetes teal brillante */
  .cursor--on-dark .cursor__dot,
  .cursor--on-dark .cursor__reticle::before,
  .cursor--on-dark .cursor__reticle::after { background: var(--paper); }
  .cursor--on-dark .cursor__b { border-color: #3FB9A6; }

  /* sobre lo interactivo: la cruz se retrae y los corchetes fijan el objetivo */
  .cursor.is-interactive .cursor__dot { transform: scale(0); opacity: 0; }
  .cursor.is-interactive .cursor__reticle::before { transform: scaleX(0); opacity: 0; }
  .cursor.is-interactive .cursor__reticle::after  { transform: scaleY(0); opacity: 0; }
  .cursor.is-interactive .cursor__b { opacity: 1; }
  .cursor.is-interactive .cursor__b--tl { transform: translate(-15px, -15px); }
  .cursor.is-interactive .cursor__b--tr { transform: translate(6px, -15px); }
  .cursor.is-interactive .cursor__b--bl { transform: translate(-15px, 6px); }
  .cursor.is-interactive .cursor__b--br { transform: translate(6px, 6px); }
}

/* ----------------------------------------------------------------------------
   5 · THE TEAL SEAM — cable de control, dibujado por scroll (FIRMA)
   ---------------------------------------------------------------------------- */
.seam {
  position: fixed;
  top: 0; bottom: 0;
  left: var(--seam-x);
  width: 1px;
  z-index: 40;
  pointer-events: none;
}
.seam__rail {
  position: absolute; inset: 0;
  width: 1px;
  background: var(--hair);
  opacity: .8;
}
.seam__fill {
  position: absolute; top: 0; left: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, var(--teal), var(--teal-deep));
  transform: scaleY(var(--seam, 0));
  transform-origin: top center;
  will-change: transform;   /* capa propia: recompone sin repintar en scroll */
}
/* cabeza viva del cable: pequeño nodo que "persigue" el scroll */
.seam__head {
  position: absolute; left: 50%; top: 0;
  width: 6px; height: 6px;
  margin-left: -3px; margin-top: -3px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(15,123,108,.18);
  transform: translateY(calc(var(--seam, 0) * (100vh - 0px)));
  opacity: 0;
  transition: opacity .4s var(--ease-out);
}
.seam.is-active .seam__head { opacity: 1; }
/* En tablet/móvil el cable sigue presente (firma), pegado al borde izquierdo. */
@media (max-width: 1024px) {
  .seam { left: 7px; }
  .seam__head { display: none; }
}

/* ----------------------------------------------------------------------------
   6 · SPLASH
   ---------------------------------------------------------------------------- */
.splash {
  position: fixed; inset: 0; z-index: 8000;
  display: grid; place-items: center;
  background: var(--paper);
  animation: splashSafety 4.6s forwards;
}
.splash__inner { display: grid; justify-items: center; gap: 1.1rem; }
.splash__mark {
  width: 96px; height: auto;
  opacity: 0; transform: scale(.94);
  animation: splashMark .9s var(--ease-out) .1s forwards;
}
.splash__seam {
  display: block;
  width: 132px; height: 1.5px;
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: left center;
  animation: splashSeam .85s var(--ease-out) .35s forwards;
}
.splash.is-out {
  clip-path: inset(0 0 100% 0);
  opacity: 0;
  transition: clip-path 1s var(--ease-soft), opacity .85s ease;
  pointer-events: none;
}
@keyframes splashMark { to { opacity: 1; transform: none; } }
@keyframes splashSeam { to { transform: scaleX(1); } }
@keyframes splashSafety { 0%,92%{} 100% { opacity: 0; visibility: hidden; pointer-events: none; } }
html.no-js .splash { display: none; }

/* ----------------------------------------------------------------------------
   7 · NAV — barra grafito, ocultar al bajar / mostrar al subir, scroll-spy
   ---------------------------------------------------------------------------- */
.nav {
  position: fixed; inset-inline: 0; top: 0; z-index: 200;
  background: var(--graphite);
  transform: translateY(0);
  transition: transform .42s var(--ease-mech), box-shadow .42s var(--ease-mech);
}
.nav.is-hidden { transform: translateY(-100%); }
.nav.is-scrolled { box-shadow: 0 1px 0 rgba(0,0,0,.35), 0 10px 28px rgba(0,0,0,.20); }
.nav__progress {
  position: absolute; left: 0; top: 0;
  height: 2px; width: 100%;
  background: var(--teal);
  transform: scaleX(var(--seam, 0));
  transform-origin: left center;
  will-change: transform;
}
.nav__inner {
  max-width: var(--wrap); margin-inline: auto;
  padding: .85rem var(--gut);
  display: flex; align-items: center; gap: 1.4rem;
}
.nav__brand { display: inline-flex; }
.nav__wordmark { width: 168px; height: auto; }
.nav__links {
  display: flex; gap: 1.6rem;
  margin-left: auto;
  font: 600 .9rem/1 var(--sans);
}
.nav__links a {
  position: relative;
  color: #C7CACE;
  padding: .35rem 0;
  transition: color .3s var(--ease-out);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px;
  height: 1px; background: var(--teal);
  transform: scaleX(0); transform-origin: left center;
  transition: transform .4s var(--ease-mech);
}
.nav__links a:hover { color: #fff; }
.nav__links a:hover::after,
.nav__links a.is-active::after { transform: scaleX(1); }
.nav__links a.is-active { color: #fff; }
.nav__actions { display: flex; align-items: center; gap: 1rem; }

/* toggle idioma — interruptor de panel de control */
.langtoggle {
  position: relative;
  display: inline-flex; align-items: center; gap: .35rem;
  font: 600 .74rem/1 var(--mono);
  letter-spacing: .04em;
  padding: .4rem .55rem;
  border: 1px solid var(--line-dark-2);
  border-radius: 3px;
}
.langtoggle__knob {
  position: absolute; top: 2px; bottom: 2px; left: 2px;
  width: calc(50% - 6px);
  background: rgba(15,123,108,.18);
  border-left: 2px solid var(--teal);
  border-radius: 2px;
  transition: transform .35s var(--ease-out);
}
html[lang="en"] .langtoggle__knob { transform: translateX(calc(100% + 8px)); }
.langtoggle__btn {
  position: relative; z-index: 1;
  color: var(--graphite-2);
  padding: .15rem .25rem;
  transition: color .3s var(--ease-out);
}
.langtoggle__btn.is-active { color: var(--paper); }
.langtoggle__sep { position: relative; z-index: 1; color: var(--graphite-2); opacity: .5; }

/* ----------------------------------------------------------------------------
   8 · REVEAL — gramática de entrada (IO + transición CSS, red de seguridad 6s)
   ---------------------------------------------------------------------------- */
.js [data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .9s var(--ease-out), transform .9s var(--ease-out);
}
.js [data-reveal].is-revealed { opacity: 1; transform: none; }
/* el kicker no debe desplazarse en bloque (el tick lo dibuja) */
.js .kicker[data-reveal] { transform: translateY(10px); }

/* máscara de líneas — titulares serif que "se componen" (sube desde abajo) */
.lines { display: block; }
.lines .ln { display: block; overflow: hidden; padding-bottom: .16em; margin-bottom: -.12em; }
.lines .ln > span { display: block; transform: translateY(115%); transition: transform .9s var(--ease-out); }
.js .lines[data-reveal] { opacity: 1; transform: none; }      /* el contenedor no se desvanece; mandan las máscaras */
.js .lines[data-reveal] .ln > span { transform: translateY(115%); }
.js .lines[data-reveal].is-revealed .ln > span { transform: none; }
/* stagger por línea */
.lines .ln:nth-child(1) > span, .lines [lang] .ln:nth-child(1) > span { transition-delay: 0ms; }
.lines .ln:nth-child(2) > span, .lines [lang] .ln:nth-child(2) > span { transition-delay: .1s; }

/* reveal con máscara clip (imágenes duotono) — izq→der; variante der→izq */
.js [data-reveal-mask] { overflow: hidden; }
.js [data-reveal-mask] > img,
.js [data-reveal-mask] > .asset__img { clip-path: inset(0 100% 0 0); transition: clip-path 1.05s var(--ease-soft); }
.js [data-reveal-mask][data-reveal-mask-rtl] > img { clip-path: inset(0 0 0 100%); }
.js [data-reveal-mask].is-revealed > img,
.js [data-reveal-mask].is-revealed > .asset__img { clip-path: inset(0 0 0 0); }

/* sin JS o sin GSAP: nada queda oculto */
html.no-js [data-reveal],
html.no-js [data-reveal] .ln > span { opacity: 1 !important; transform: none !important; clip-path: none !important; }

/* ----------------------------------------------------------------------------
   9 · HERO (dos tonos)
   ---------------------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(96px, 13vh, 150px); }
.hero__light {
  padding: clamp(20px, 5vw, 60px) 0 clamp(48px, 8vw, 96px);
}
.hero__light .wrap, .hero__light > * { }
.hero__light {
  max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut);
}
.hero__lighthead {
  display: flex; align-items: flex-start; justify-content: space-between;
  gap: 2rem; flex-wrap: wrap;
}
.hero__mark { width: clamp(76px, 8vw, 116px); height: auto; opacity: .96; }
.hero__claim {
  margin: clamp(1.4rem, 4vw, 2.6rem) 0 0;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.5rem, 1.3rem + 5.6vw, 5.4rem);
  line-height: .98; letter-spacing: -.02em;
  color: var(--ink);
  max-width: 16ch;
}

/* bloque grafito — protagonista que entra con clip-wipe */
.hero__dark {
  position: relative;
  background: var(--graphite);
  color: var(--paper);
  padding: clamp(48px, 8vw, 104px) 0;
  clip-path: inset(0 0 0 0);
}
.js .hero__dark[data-wipe] { clip-path: inset(10% 0 0 0); transition: clip-path 1s var(--ease-soft); }
.js .hero__dark[data-wipe].is-revealed { clip-path: inset(0 0 0 0); }
.hero__darkin {
  max-width: var(--wrap); margin-inline: auto; padding-inline: var(--gut);
  display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2rem, 5vw, 5rem);
  align-items: center;
}
.hero__claim2 {
  margin: 0;
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(2rem, 1.1rem + 4vw, 4rem);
  line-height: 1; letter-spacing: -.018em;
  color: var(--paper);
}
.hero__sub {
  margin: 1.6rem 0 0; max-width: 46ch;
  color: #C9CCD0; font-size: clamp(1.04rem, 1rem + .4vw, 1.22rem);
}
.hero__cta { margin-top: 2.2rem; display: flex; align-items: center; gap: 1.4rem; flex-wrap: wrap; }
.hero__cred {
  margin: 0; font-family: var(--mono); font-size: .78rem; letter-spacing: .04em;
  color: #9BA0A6; max-width: 22ch;
}
.hero__chart {
  margin: 0; position: relative;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  background: #2A2E33;
  padding: 0; overflow: hidden;
}
.hero__chart img { width: 100%; height: auto; display: block; mix-blend-mode: normal; }

/* ----------------------------------------------------------------------------
   10 · TESIS
   ---------------------------------------------------------------------------- */
.thesis { background: var(--paper); padding: var(--sec) 0; }
.thesis__wrap { text-align: center; display: grid; justify-items: center; }
.thesis__line {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.5rem, 1rem + 2.6vw, 2.75rem);
  line-height: 1.22; letter-spacing: -.01em;
  color: var(--ink); max-width: 22ch; margin: 0 auto;
}
.thesis__line em { color: var(--teal); font-style: italic; }

/* ----------------------------------------------------------------------------
   11 · EL NÚCLEO (enfoque) — escena firma: el cable enciende el núcleo
   ---------------------------------------------------------------------------- */
.nucleo {
  background: var(--graphite); color: var(--paper);
  padding: var(--sec) 0; overflow: hidden;
}
.nucleo__wrap { text-align: center; display: grid; justify-items: center; }
.core {
  display: flex; align-items: center; justify-content: center;
  gap: 0; width: min(680px, 100%);
  margin: clamp(2rem, 5vw, 3.4rem) auto;
}
.core__pole {
  flex: none;
  font-family: var(--mono); font-size: clamp(.78rem, .7rem + .4vw, .96rem);
  letter-spacing: .12em; text-transform: uppercase;
  color: #D7DADE; white-space: nowrap;
}
.core__rail {
  position: relative; flex: 1 1 auto;
  height: 24px; margin: 0 clamp(.8rem, 2vw, 1.6rem);
  display: flex; align-items: center;
}
.core__wireart { position: absolute; inset: 0; width: 100%; height: 100%; }
.core__draw {
  stroke: var(--teal); stroke-width: 1.5; fill: none;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 600; stroke-dashoffset: 600;
  transition: stroke-dashoffset 1.3s var(--ease-out) .15s;
}
.core.is-revealed .core__draw { stroke-dashoffset: 0; }
.core__node {
  position: absolute; left: 50%; top: 50%;
  width: 14px; height: 14px; margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(15,123,108,.5);
  transform: scale(.4); opacity: 0;
  transition: transform .5s var(--ease-out) .9s, opacity .4s var(--ease-out) .9s;
}
.core.is-revealed .core__node { transform: scale(1); opacity: 1; animation: corePulse 2s ease-in-out 1.5s infinite; }
@keyframes corePulse {
  0%,100% { box-shadow: 0 0 0 0 rgba(15,123,108,.45); }
  50%     { box-shadow: 0 0 0 10px rgba(15,123,108,0); }
}
.nucleo__line {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(1.3rem, .9rem + 2vw, 2.1rem);
  line-height: 1.32; color: var(--paper);
  max-width: 30ch; margin: 0 auto;
}
.nucleo__line em { color: var(--teal); font-style: italic; }

/* ----------------------------------------------------------------------------
   12 · EL MOTOR
   ---------------------------------------------------------------------------- */
.motor { background: var(--paper); padding: var(--sec) 0; }
.motor__grid {
  display: grid; grid-template-columns: 1.05fr .95fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.datatag {
  display: inline-block; margin-top: 2rem;
  font-family: var(--mono); font-size: .86rem; letter-spacing: .01em;
  color: var(--ink);
  padding: .7rem 1rem .7rem 1.1rem;
  background: var(--panel);
  border-left: 2px solid var(--teal);
  border-radius: 0 2px 2px 0;
}
.motor__fig { position: relative; margin: 0; min-width: 0; }
.motor__frame { display: block; max-width: 100%; }
.motor__frame > img {
  width: 100%; display: block;
  border-radius: 4px; border: 1px solid var(--hair);
}
/* Detalle (engranajes): impresión enmarcada en blanco, ACOPLADA y SOBRESALIENDO
   de la esquina inferior-derecha de la planta. Engranaje monocromo limpio (sin
   tinte sucio); tick teal en el margen = mismo motivo del kicker, cupla a marca. */
.motor__detail {
  position: absolute;
  left: clamp(-20px, -2.4%, -12px);
  bottom: clamp(-26px, -6%, -16px);
  width: clamp(128px, 26%, 204px);
  padding: 8px 8px 13px;
  background: var(--paper);
  border: 1px solid var(--hair);
  border-radius: 2px;
  box-shadow: 0 18px 34px rgba(20,28,30,.32), 0 4px 10px rgba(20,28,30,.20);
  transition: opacity .6s var(--ease-out) .35s, transform .6s var(--ease-out) .35s;
}
.motor__detailwrap {
  position: relative; display: block; overflow: hidden; border-radius: 1px;
  background: var(--graphite);
}
.motor__inset {
  display: block; width: 100%; aspect-ratio: 4 / 3;
  object-fit: cover; object-position: center center;
  filter: grayscale(1) contrast(1.07) brightness(1.02);
}
/* tick teal: etiqueta el detalle sin texto (eco del kicker__tick) */
.motor__detail::after {
  content: ""; position: absolute; left: 9px; bottom: 5px;
  width: 24px; height: 2px; background: var(--teal);
}
.js .motor__detail[data-reveal] { opacity: 0; transform: translateY(16px) scale(.95); }
.js .motor__detail[data-reveal].is-revealed { opacity: 1; transform: none; }

/* ----------------------------------------------------------------------------
   13 · LAS FUGAS — espina 01–03, asimetría, COSTE como veredicto
   ---------------------------------------------------------------------------- */
.fugas { background: var(--graphite-bg); padding: var(--sec) 0; }
.fugas__head { max-width: 52ch; }
.fugas__intro { color: var(--muted); }
.spine {
  list-style: none; margin: clamp(2.4rem, 5vw, 3.6rem) 0 0; padding: 0;
  border-top: 1px solid var(--hair);
}
.spine__row {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: clamp(1rem, 3vw, 2.4rem);
  padding: clamp(1.6rem, 3.4vw, 2.4rem) 0;
  border-bottom: 1px solid var(--hair);
  position: relative;
}
.spine__num {
  font-family: var(--mono); font-size: 1rem; font-weight: 700;
  color: var(--teal); letter-spacing: .04em;
  position: relative; padding-top: .2rem;
}
.spine__body { display: grid; gap: .9rem; }
.spine__sym {
  margin: 0; font-family: var(--serif);
  font-size: clamp(1.2rem, .95rem + 1.2vw, 1.65rem);
  line-height: 1.28; color: var(--ink); max-width: 30ch;
}
.spine__cost {
  margin: 0; color: var(--muted); font-size: .98rem; max-width: 52ch;
  display: flex; flex-wrap: wrap; align-items: baseline; gap: .55rem;
}
.cost-tag {
  display: inline-flex; align-items: center;
  font-family: var(--mono); font-size: .68rem; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--amber);
  padding: .26rem .5rem;
  border: 1px solid currentColor; border-radius: 2px;
  transform: scale(.92); opacity: 0;
}
.js .spine__row.is-revealed .cost-tag {
  opacity: 1; transform: scale(1);
  transition: opacity .35s var(--ease-out) .18s, transform .4s cubic-bezier(.34,1.56,.64,1) .18s;
}
.fugas__foot {
  margin-top: clamp(2.4rem, 5vw, 3.4rem);
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.6rem; flex-wrap: wrap;
  padding: clamp(1.6rem, 3vw, 2.2rem) clamp(1.4rem, 3vw, 2.2rem);
  background: var(--graphite); color: var(--paper); border-radius: 4px;
}
.fugas__tease {
  margin: 0; font-family: var(--serif);
  font-size: clamp(1.1rem, .9rem + 1vw, 1.4rem); line-height: 1.3;
  color: var(--paper); max-width: 30ch;
}

/* ----------------------------------------------------------------------------
   14 · DIAGNÓSTICO (form) — claro y oscuro
   ---------------------------------------------------------------------------- */
.diag { background: var(--graphite); color: var(--paper); padding: var(--sec) 0; }
.diag__grid {
  display: grid; grid-template-columns: .92fr 1.08fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: start;
}
.diag__h { color: var(--paper); }
.diag__gift, .diag__filter { color: #C9CCD0; max-width: 46ch; margin: 1.3rem 0 0; }
.diag__gift strong, .diag__filter strong { color: var(--paper); }

.diag__formwrap {
  background: var(--paper); color: var(--ink);
  border-radius: 6px; padding: clamp(1.6rem, 3.4vw, 2.6rem);
  box-shadow: 0 28px 60px rgba(0,0,0,.28);
}
.diag__formwrap--dark {
  background: #34383D; color: var(--paper);
  box-shadow: 0 28px 60px rgba(0,0,0,.34);
  border: 1px solid var(--line-dark);
}
.dform { display: grid; gap: 1.05rem; }
.dform__filter {
  margin: 0 0 .4rem; font-size: .92rem; line-height: 1.5; color: var(--muted);
  padding-bottom: 1rem; border-bottom: 1px solid var(--hair);
}
.diag__formwrap--dark .dform__filter { color: #C9CCD0; border-color: var(--line-dark); }
.dform__filter strong { color: inherit; }
.dform__row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.05rem; }
.field { display: grid; gap: .4rem; position: relative; }
.field__label {
  font-family: var(--mono); font-size: .7rem; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted);
}
.diag__formwrap--dark .field__label { color: #AEB2B7; }
.req { color: var(--teal); text-decoration: none; font-weight: 700; }

input, select, textarea {
  font: inherit; font-size: .98rem;
  width: 100%; padding: .8rem .9rem;
  color: var(--ink); background: var(--paper);
  border: 1px solid var(--hair); border-radius: 3px;
  transition: border-color .25s var(--ease-out), box-shadow .25s var(--ease-out), background-color .25s;
  -webkit-appearance: none; appearance: none;
}
textarea { resize: vertical; min-height: 110px; line-height: 1.5; }
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%235E6166' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .9rem center;
  padding-right: 2.4rem;
}
.diag__formwrap--dark input,
.diag__formwrap--dark select,
.diag__formwrap--dark textarea {
  background: #2B2F33; color: var(--paper); border-color: var(--line-dark-2);
}
input::placeholder, textarea::placeholder { color: #9BA0A6; }
.diag__formwrap--dark input::placeholder,
.diag__formwrap--dark textarea::placeholder { color: #80858B; }
:where(input, select, textarea):focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: inset 0 -1px 0 var(--teal), 0 0 0 3px rgba(15,123,108,.12);
}
.field__count {
  justify-self: end;
  font-family: var(--mono); font-size: .68rem; color: var(--muted);
}
.field__count.is-warn { color: var(--amber); }

.consent {
  display: grid; grid-template-columns: auto 1fr; gap: .6rem;
  align-items: start; font-size: .86rem; line-height: 1.45; color: var(--muted);
  cursor: pointer;
}
.diag__formwrap--dark .consent { color: #C9CCD0; }
.consent input[type="checkbox"] {
  -webkit-appearance: auto; appearance: auto;   /* anula el reset global: el check vuelve a verse */
  width: 18px; height: 18px; min-width: 18px;
  margin: .15rem 0 0; padding: 0;
  border: 0; background: none; border-radius: 0; box-shadow: none;
  accent-color: var(--teal); flex: none; cursor: pointer;
}
.consent a { color: var(--teal); text-decoration: underline; text-underline-offset: 2px; }
.consent--optin em { color: var(--ink); font-style: italic; }
.diag__formwrap--dark .consent--optin em { color: var(--paper); }

/* honeypot */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.dform__promise { margin: .3rem 0 0; font-size: .82rem; color: var(--muted); }
.diag__formwrap--dark .dform__promise { color: #AEB2B7; }
.dform__submit { width: 100%; justify-content: center; margin-top: .3rem; }
.dform__spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.35); border-top-color: #fff;
  display: none;
}
.dform.is-sending .dform__spinner { display: inline-block; animation: spin .7s linear infinite; }
.dform.is-sending .dform__submit { opacity: .85; pointer-events: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.dform__status {
  margin: 0; font-size: .9rem; line-height: 1.45; min-height: 0;
  padding: 0; border-radius: 3px;
}
.dform__status.is-ok {
  color: #0B5A4F; background: rgba(15,123,108,.1);
  border: 1px solid rgba(15,123,108,.3); padding: .8rem .9rem;
}
.dform__status.is-err {
  color: var(--red); background: rgba(178,58,46,.08);
  border: 1px solid rgba(178,58,46,.3); padding: .8rem .9rem;
}
.diag__formwrap--dark .dform__status.is-ok { color: #7FD8C8; }
.dform.is-sent .dform__submit,
.dform.is-sent .dform__promise { display: none; }

/* ----------------------------------------------------------------------------
   15 · EL SISTEMA — caja negra sellada; el cable dibuja los corchetes y muere ahí
   ---------------------------------------------------------------------------- */
.sistema { background: var(--graphite); color: var(--paper); padding: var(--sec) 0; }
.sistema__head { max-width: 56ch; }
.sistema__h { color: var(--paper); }
.blackbox {
  display: grid;
  grid-template-columns: 1fr auto 1.1fr auto 1fr;
  align-items: center; gap: clamp(.6rem, 2vw, 1.4rem);
  margin: clamp(2.6rem, 5vw, 3.8rem) 0;
  padding: clamp(1.6rem, 3vw, 2.4rem) clamp(1.2rem, 2.5vw, 2rem);
  border: 1px solid var(--line-dark); border-radius: 4px;
  background: #2A2E33;
}
.blackbox__io { display: grid; gap: .55rem; }
.blackbox__lbl {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--teal);
}
.blackbox__txt { margin: 0; font-size: .98rem; color: #C9CCD0; line-height: 1.4; }
.blackbox__arrow { color: var(--graphite-2); font-size: 1.3rem; }
.blackbox__core {
  position: relative; text-align: center;
  padding: clamp(1.4rem, 3vw, 2.2rem) clamp(1rem, 2.5vw, 1.8rem);
  min-height: 96px; display: grid; place-content: center; gap: .5rem;
}
.blackbox__hatch {
  position: absolute; inset: 6px; border-radius: 2px;
  background-image: repeating-linear-gradient(45deg, rgba(255,255,255,.05) 0 6px, transparent 6px 12px);
  opacity: 0; transition: opacity .6s var(--ease-out) .5s;
}
.js .blackbox.is-revealed .blackbox__hatch { opacity: .9; }
.blackbox__coremark {
  font-family: var(--mono); font-size: .78rem; letter-spacing: .1em;
  text-transform: uppercase; color: #EBECEE; position: relative; z-index: 1;
}
.blackbox__sealed {
  font-family: var(--mono); font-size: .76rem; color: var(--graphite-2);
  position: relative; z-index: 1;
}
.blackbox__bracket {
  position: absolute; width: 22px; height: 22px; pointer-events: none;
}
.blackbox__bracket--tl { top: 0; left: 0; border-top: 1.5px solid var(--teal); border-left: 1.5px solid var(--teal); }
.blackbox__bracket--br { bottom: 0; right: 0; border-bottom: 1.5px solid var(--teal); border-right: 1.5px solid var(--teal); }
.js .blackbox__bracket { opacity: 0; transform: scale(.6); transition: opacity .45s var(--ease-out) .25s, transform .45s var(--ease-out) .25s; }
.js .blackbox.is-revealed .blackbox__bracket { opacity: 1; transform: none; }

.sistema__note {
  margin: 0 auto; max-width: 60ch; text-align: center;
  color: #C9CCD0; font-size: 1.02rem;
}
.sistema__cta { margin-top: 2.4rem; display: grid; justify-items: center; gap: .9rem; text-align: center; }
.sistema__ctanote { margin: 0; font-family: var(--mono); font-size: .76rem; color: var(--graphite-2); letter-spacing: .03em; }

/* ----------------------------------------------------------------------------
   16 · EL CRITERIO — count-up + plano enmarcado por corchetes teal
   ---------------------------------------------------------------------------- */
.criterio { background: var(--paper); padding: var(--sec) 0; }
.criterio__grid {
  display: grid; grid-template-columns: .9fr 1.1fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: start;
}
.criterio__fig { margin: 0; position: sticky; top: 96px; min-width: 0; }
.criterio__fig > img { width: 100%; border-radius: 4px; border: 1px solid var(--hair); }
.criterio__cred {
  margin: clamp(1.8rem, 4vw, 2.6rem) 0;
  display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap;
  padding-bottom: 1.6rem; border-bottom: 1px solid var(--hair);
}
.bignum {
  font-family: var(--serif); font-weight: 400;
  font-size: clamp(3rem, 2rem + 5vw, 5.4rem); line-height: .9;
  color: var(--teal); letter-spacing: -.02em;
}
.bignum__note { color: var(--muted); font-size: 1rem; max-width: 18ch; }
.asset { position: relative; margin: 0; padding: clamp(1rem, 2.5vw, 1.6rem); }
.asset__img { width: 100%; border: 1px solid var(--hair); border-radius: 2px; background: var(--paper); }
.asset__bracket { position: absolute; width: 28px; height: 28px; pointer-events: none; }
.asset__bracket--tl { top: 0; left: 0; border-top: 2px solid var(--teal); border-left: 2px solid var(--teal); }
.asset__bracket--br { bottom: 0; right: 0; border-bottom: 2px solid var(--teal); border-right: 2px solid var(--teal); }
.js .asset__bracket { opacity: 0; transform: scale(.55); transition: opacity .5s var(--ease-out) .3s, transform .5s var(--ease-out) .3s; }
.js .asset.is-revealed .asset__bracket { opacity: 1; transform: none; }

/* ----------------------------------------------------------------------------
   17 · CIERRE — textura estática + terminus del cable
   ---------------------------------------------------------------------------- */
.cierre { position: relative; background: var(--graphite); color: var(--paper); padding: var(--sec) 0; overflow: hidden; }
.cierre__bg {
  position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image:
    repeating-linear-gradient(0deg, rgba(255,255,255,.022) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.022) 0 1px, transparent 1px 32px);
}
.cierre__grid {
  position: relative;
  display: grid; grid-template-columns: 1fr 1.05fr;
  gap: clamp(2rem, 5vw, 5rem); align-items: center;
}
.cierre__intro { position: relative; }
.cierre__tag {
  margin: 0; font-family: var(--serif); font-weight: 400;
  font-size: clamp(2.2rem, 1.3rem + 4vw, 4.2rem); line-height: 1.02;
  letter-spacing: -.018em; color: var(--paper);
}
.cierre__sub { margin: 1.6rem 0 0; color: #C9CCD0; max-width: 36ch; }
.seam__terminus {
  display: block; width: 10px; height: 10px; margin-top: 2rem;
  border-radius: 50%; background: var(--teal);
  box-shadow: 0 0 0 4px rgba(15,123,108,.18);
  opacity: 0; transform: scale(.4);
  transition: opacity .5s var(--ease-out), transform .5s var(--ease-out);
}
.js .cierre__intro.is-seam-end .seam__terminus { opacity: 1; transform: none; }

/* ----------------------------------------------------------------------------
   18 · FOOTER
   ---------------------------------------------------------------------------- */
.foot { background: #25282C; color: #C9CCD0; padding: clamp(3rem, 6vw, 5rem) 0 2rem; }
.foot__inner {
  display: flex; justify-content: space-between; gap: 2.4rem; flex-wrap: wrap;
  padding-bottom: 2.4rem; border-bottom: 1px solid var(--line-dark);
}
.foot__wordmark { width: 220px; height: auto; margin-bottom: 1.1rem; }
.foot__legal { margin: 0; font-size: .9rem; color: #9BA0A6; }
.foot__tag { margin: .4rem 0 0; font-family: var(--serif); font-size: 1.05rem; color: var(--paper); }
.foot__col { display: grid; gap: 1rem; align-content: start; }
.foot__mail { color: var(--paper); font-size: 1rem; border-bottom: 1px solid transparent; transition: border-color .3s; }
.foot__mail:hover { border-color: var(--teal); }
.foot__links { display: flex; gap: 1.4rem; font-size: .88rem; }
.foot__links a { color: #9BA0A6; transition: color .3s; }
.foot__links a:hover { color: var(--paper); }
.foot__bottom { padding-top: 1.6rem; }
.foot__bottom p { margin: 0; font-size: .82rem; color: #80858B; }

/* ----------------------------------------------------------------------------
   19 · RESPONSIVE
   ---------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero__darkin { grid-template-columns: 1fr; }
  .hero__chart { order: 1; }   /* el gráfico va DESPUÉS del titular, nunca entre las dos mitades */
  .motor__grid,
  .criterio__grid,
  .diag__grid,
  .cierre__grid { grid-template-columns: 1fr; }
  .criterio__fig { position: static; order: -1; }
  .criterio__grid { gap: 2.4rem; }
}
@media (max-width: 760px) {
  /* ritmo vertical más ceñido — menos voids entre secciones */
  :root { --sec: clamp(56px, 13.5vw, 80px); --gut: clamp(20px, 6vw, 30px); }

  .nav__links { display: none; }
  .hero { padding-top: clamp(82px, 16vh, 110px); }
  .hero__lighthead { align-items: center; }
  .hero__claim { max-width: 100%; }
  .hero__darkin { gap: 1.8rem; }

  .dform__row { grid-template-columns: 1fr; }
  .blackbox {
    grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 1rem;
  }
  .blackbox__arrow { transform: rotate(90deg); }
  .blackbox__io { justify-items: center; }
  .fugas__foot { flex-direction: column; align-items: flex-start; }
  .spine__row { grid-template-columns: 44px 1fr; gap: 1rem; }
  /* núcleo: una sola fila, OPERACIÓN y RENTABILIDAD en los extremos de la raya */
  .core { flex-wrap: nowrap; gap: 0; }
  .core__pole { font-size: clamp(.56rem, 2.3vw, .74rem); letter-spacing: .04em; }
  .core__rail { flex: 1 1 0; order: 0; margin: 0 .5rem; height: 20px; min-width: 40px; }

  /* Secciones-reportaje en móvil: la imagen LIDERA pero CONTENIDA — respeta los
     dos márgenes (alineada con el texto). Sin sangrado por la derecha. */
  .motor__grid, .criterio__grid { gap: 1.7rem; }
  .motor__fig { order: -1; }
  .motor__detail { left: -8px; bottom: -16px; width: clamp(108px, 31%, 150px); }

  .diag__grid, .cierre__grid { gap: 1.9rem; }
  .criterio__cred { margin: 1.4rem 0; }
}

/* ----------------------------------------------------------------------------
   20 · REDUCED MOTION — solo se desactiva lo intrusivo; los micro nunca.
   ---------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .splash__mark, .splash__seam { animation-duration: .01ms; animation-delay: 0ms; }
  .core.is-revealed .core__node { animation: none; }   /* sin pulso infinito */
  .seam__head { display: none; }
  /* reveals/máscaras: aparecen, pero instantáneo (no se gatea a invisible) */
  .js [data-reveal] { transition-duration: .2s; }
  .js .lines[data-reveal] .ln > span,
  .js [data-reveal-mask] > img,
  .js .hero__dark[data-wipe],
  .core__draw { transition-duration: .2s; }
}
