/* ============================================================
   BACKTEAM · Landings de outsourcing contable
   Editorial b/n · un acento (#f4d300) · filas hairline · aire
   ============================================================ */

/* ---------- fuentes (self-hosted, subset latino) ---------- */
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/space-grotesk-var.woff2) format('woff2');
}
@font-face {
  font-family: 'Hanken Grotesk';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url(fonts/hanken-grotesk-var.woff2) format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(fonts/ibm-plex-mono-400.woff2) format('woff2');
}
@font-face {
  font-family: 'IBM Plex Mono';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(fonts/ibm-plex-mono-500.woff2) format('woff2');
}

/* ---------- tokens ---------- */
:root {
  color-scheme: light;
  --paper:    #ffffff;
  --paper-2:  #f4f4f6;
  --card:     #ffffff;
  --ink:      #101114;
  --ink-soft: #2a2d33;
  --muted:    #5b5f66;
  --muted-2:  #6c7077;
  --line:     #e9e9ec;
  --line-2:   #d7d7dc;
  --ghost:    var(--line-2);

  --accent:      #f4d300;
  --accent-deep: #7a6500;
  --accent-wash: #fdf6c9;
  --on-accent:   #161307;

  --dark:       #131619;
  --dark-2:     #1c2025;
  --dark-line:  #2c3137;
  --dark-paper: #e9eae6;
  --dark-muted: #9aa0a6;

  --maxw: 1240px;
  --gutter: clamp(20px, 5vw, 72px);
  --pad-sec: clamp(64px, 7.5vw, 112px);
  --pad-band: clamp(72px, 9vw, 120px);
  --shadow-card: 0 28px 56px -40px rgba(0, 0, 0, .4);

  --head: 'Space Grotesk', system-ui, sans-serif;
  --sans: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --ease: cubic-bezier(.22, .61, .36, 1);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --paper:    #0d0e10;
  --paper-2:  #151619;
  --card:     #15171a;
  --ink:      #f2f3f4;
  --ink-soft: #c9cbcf;
  --muted:    #9b9ea4;
  --muted-2:  #8a8e95;
  --line:     #25272b;
  --line-2:   #34373c;
  --ghost:    #4a4f57;
  --accent-deep: #f4d300;
  --accent-wash: color-mix(in srgb, var(--accent) 12%, var(--paper-2));
  /* las bandas oscuras se elevan sobre el fondo oscuro de página */
  --dark:      #1e2126;
  --dark-2:    #262b31;
  --dark-line: #3a3f46;
}
/* arquitectura de bandas en dark: bordes donde la luz ya no separa */
html[data-theme="dark"] .manifesto { border-block: 1px solid var(--line-2); }
html[data-theme="dark"] .stella { border: 1px solid var(--dark-line); border-top: 3px solid var(--accent); }
html[data-theme="dark"] .foot { border-top: 1px solid var(--line-2); }
html[data-theme="dark"] .shift__new { box-shadow: inset 2px 0 0 var(--accent); }
html[data-theme="dark"] .toolcard { box-shadow: none; border-color: var(--line-2); }
html[data-theme="dark"] .toolcard.ticks::before { --tk: rgba(255, 255, 255, .16); }
html[data-theme="dark"] .toolcard .leadform__msg.err,
html[data-theme="dark"] .toolcard .field:has(:is(input, select, textarea):user-invalid) > span:first-child { color: #ff8d85; }
html[data-theme="dark"] .toolcard .leadform__msg.ok { color: #7fd18a; }
html[data-theme="dark"] .toolcard .consent input { accent-color: var(--accent); }
html[data-theme="dark"] .hero { background-image: radial-gradient(color-mix(in srgb, var(--ink) 6%, transparent) 1px, transparent 1px); }
html[data-theme="dark"] .hero__skyline {
  color: #545961;
  -webkit-mask-image: linear-gradient(to top, #000 38%, transparent 100%);
  mask-image: linear-gradient(to top, #000 38%, transparent 100%);
}
html[data-theme="dark"] .hero__skyline g[fill="#f4d300"] { opacity: .6; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
html, body { overflow-x: clip; }
[id] { scroll-margin-top: 84px; }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; box-shadow: 0 0 0 3px var(--accent); }
::selection { background: var(--accent); color: #101114; }

/* R5 · saltar al contenido: primer tabulado de la página; oculto hasta foco
   (WCAG 2.4.1 — evita recorrer el header con teclado/lector) */
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 1100;
  transform: translateY(-160%);
  background: var(--ink); color: var(--paper);
  font-family: var(--mono); font-size: 13px; letter-spacing: .03em;
  padding: 11px 18px; border-radius: 8px; text-decoration: none;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .45);
  transition: transform .2s var(--ease);
}
.skip-link:focus { transform: none; outline: none; box-shadow: 0 0 0 3px var(--accent), 0 10px 30px -10px rgba(0, 0, 0, .45); }
@media (prefers-reduced-motion: reduce) { .skip-link { transition: none; } }
/* main recibe foco por fragmento (#contenido) para mover el cursor de teclado
   tras «saltar»; sin anillo porque no es interacción de teclado directa */
#contenido:focus { outline: none; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- tipografía ---------- */
h1, h2, h3 { font-family: var(--head); font-weight: 500; letter-spacing: -.025em; margin: 0; }

.display {
  font-size: clamp(2.5rem, 1.25rem + 5.2vw, 6rem);
  line-height: 1.05;
  letter-spacing: -.035em;
}
.h2 { font-size: clamp(1.75rem, 1.1rem + 2.7vw, 2.875rem); line-height: 1.08; max-width: 22ch; }
.lede { font-size: clamp(1.0625rem, .95rem + .5vw, 1.25rem); line-height: 1.6; color: var(--muted); max-width: 46ch; }

.overline {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted-2);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.overline::before {
  content: "";
  width: 22px; height: 2px;
  background: var(--accent);
  flex: none;
}
.secnum {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(2.75rem, 1.7rem + 4.2vw, 4.5rem);
  line-height: 1;
  color: var(--ghost);
  letter-spacing: -.02em;
}

/* resaltado marcador en el H1 (único uso grande del amarillo arriba);
   el degradado deja pasar los descendentes de la línea anterior */
mark, .hl {
  background: var(--accent);
  background: linear-gradient(180deg, transparent .14em, var(--accent) .14em);
  color: var(--on-accent);
  padding: 0 .18em;
  margin-inline: -.18em;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* viudas fuera de los titulares; párrafos con rag cuidado */
.display, .h2, .manifesto h2, .final h2, .quote blockquote, .leadform__h, .page h1 { text-wrap: balance; }
.lede, .row p, .qa__a p, .stella__lead, .manifesto p, .final__sub, .page p, .fact__l { text-wrap: pretty; }

/* ---------- botones ---------- */
.btn {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: .01em;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 15px 26px;
  border-radius: 2px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease), transform .1s var(--ease);
  white-space: nowrap;
}
.btn .arr { transition: transform .15s var(--ease); }
.btn:hover:not(:disabled) .arr { transform: translateX(4px); }
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn[aria-busy="true"] { opacity: .7; cursor: progress; }

/* hover = inversión de marca: amarillo/negro → negro/amarillo */
.btn--accent { background: var(--accent); color: var(--on-accent); }
.btn--accent:hover:not(:disabled) { background: var(--ink); color: var(--accent); }
html[data-theme="dark"] .btn--accent:hover:not(:disabled) { background: #000; }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover:not(:disabled) { background: var(--accent); color: var(--on-accent); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn--ghost:hover:not(:disabled) { border-color: var(--ink); }

a, button, summary, label { -webkit-tap-highlight-color: transparent; }
.btn, summary, .theme-toggle, .lang-toggle { user-select: none; -webkit-user-select: none; }

/* link de texto: subrayado que crece en amarillo */
.tlink {
  font-weight: 600;
  font-size: 15px;
  border-bottom: 1px solid var(--line-2);
  padding-bottom: 2px;
  background-image: linear-gradient(var(--accent), var(--accent));
  background-size: 0% 2px;
  background-position: 0 100%;
  background-repeat: no-repeat;
  transition: background-size .25s var(--ease);
}
.tlink:hover { background-size: 100% 2px; }

/* ---------- header ---------- */
.nav {
  position: sticky; top: 0; z-index: 60;
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}
.nav.is-stuck { border-color: var(--line); }
/* nav inteligente (R6): al bajar se retira para dar aire de lectura, al subir
   reaparece. El transform vive SOLO en no-preference → con reduced-motion el
   header queda siempre fijo, sin salto */
@media (prefers-reduced-motion: no-preference) {
  .nav { transition: border-color .2s var(--ease), transform .3s var(--ease); }
  .nav.nav--hidden { transform: translateY(-100%); }
}
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand__logo { height: 21px; width: auto; display: block; }
.brand__logo--dark { display: none; }
html[data-theme="dark"] .brand__logo--light { display: none; }
html[data-theme="dark"] .brand__logo--dark { display: block; }
.nav__cta { display: flex; align-items: center; gap: 16px; }
/* con el formulario final a la vista, el CTA del header cede el turno */
.nav__cta > .btn {
  transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease),
    opacity .25s var(--ease), transform .25s var(--ease);
}
body.mcta-off .nav__cta > .btn { opacity: 0; transform: translateY(-6px); pointer-events: none; }
@media (max-width: 700px) { .nav__cta .btn { display: none; } }

/* toggle de tema */
.theme-toggle {
  width: 46px; height: 26px; border-radius: 100px; flex: none;
  border: 1px solid var(--line-2); background: var(--paper-2);
  position: relative; cursor: pointer; padding: 0;
  transition: background .2s var(--ease), border-color .2s var(--ease);
}
.theme-toggle:hover { border-color: var(--muted-2); }
.theme-toggle__knob {
  position: absolute; top: 50%; left: 3px; transform: translateY(-50%);
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--ink);
  box-shadow: inset -5px -3px 0 0 var(--paper-2);
  transition: left .2s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
html[data-theme="dark"] .theme-toggle__knob { left: 25px; background: var(--accent); box-shadow: none; }

/* ---------- hero ---------- */
.hero {
  padding-block: clamp(52px, 8vw, 110px) clamp(56px, 8vw, 110px);
  position: relative; overflow: hidden;
  background-image: radial-gradient(color-mix(in srgb, var(--ink) 9%, transparent) 1px, transparent 1px);
  background-size: 26px 26px;
}
.hero .display { margin-bottom: clamp(30px, 4vw, 48px); max-width: 16ch; position: relative; z-index: 2; }
.hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(220px, 1fr);
  gap: clamp(32px, 6vw, 96px);
  align-items: end;
  position: relative; z-index: 2;
}
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 30px; }
.hero__note { display: flex; align-items: center; gap: 9px; margin-top: 18px; font-size: 13.5px; color: var(--muted); }
.hero__note i { width: 8px; height: 8px; background: var(--accent); flex: none; font-style: normal; }

/* dato real, columna derecha */
.fact { border-left: 1px solid var(--line-2); padding-left: clamp(20px, 2.5vw, 34px); }
.fact__k {
  font-variant-numeric: tabular-nums;
  font-family: var(--head);
  font-size: clamp(48px, 5.5vw, 76px);
  line-height: .95;
  letter-spacing: -.03em;
  display: block;
}
.fact__l { display: block; margin-top: 10px; font-size: 14.5px; color: var(--muted); max-width: 24ch; line-height: 1.5; }

/* entrada del hero: CSS puro, sin depender de JS */
@media (prefers-reduced-motion: no-preference) {
  /* entrada solo con transform: el LCP (H1/CTA) pinta desde el primer frame */
  @keyframes rise { from { transform: translateY(18px); } to { transform: none; } }
  .hero [data-rise] { animation: rise .6s var(--ease) both; }
  .hero [data-rise="2"] { animation-delay: .1s; }
  .hero [data-rise="3"] { animation-delay: .2s; }
}

/* skyline PH (SVG estático, solo hero) */
.hero__skyline {
  position: absolute; left: 0; right: 0; bottom: -1px; z-index: 1;
  color: var(--line-2); pointer-events: none;
  -webkit-mask-image: linear-gradient(to top, #000 55%, transparent 100%);
  mask-image: linear-gradient(to top, #000 55%, transparent 100%);
}
.hero__skyline svg { display: block; width: 100%; height: clamp(80px, 12vw, 150px); }

/* ---------- secciones ---------- */
/* ritmo asimétrico: más aire arriba (donde entra el titular) que abajo,
   el sec__carry cierra la sección sin necesitar colchón simétrico */
.sec { border-top: 1px solid var(--line); padding-block: var(--pad-sec) calc(var(--pad-sec) * .6); }
.sec--alt { background: var(--paper-2); }

/* ------------------------------------------------------------
   Vocabulario de movimiento (mejora progresiva: html.js + .in)
   tres voces: el texto aparece · las líneas se trazan · el
   marcador se pinta. Sin JS o con reduced-motion: estado final.
   ------------------------------------------------------------ */
@media (prefers-reduced-motion: no-preference) {
  /* texto: fade-up genérico (excluye los bloques con coreografía propia) */
  html.js [data-reveal]:not(.rows):not(.shift):not(.manifesto__inner):not(.sec__carry):not(.wall__grid) {
    opacity: 0; transform: translateY(20px);
    transition: opacity .7s var(--ease), transform .7s var(--ease);
  }
  html.js [data-reveal].in:not(.rows):not(.shift):not(.manifesto__inner):not(.sec__carry):not(.wall__grid) { opacity: 1; transform: none; }

  /* R4 · revelado de medios: cada logo del muro se dibuja de izquierda a
     derecha (clip-path), escalonado en orden de lectura */
  html.js .wall__grid[data-reveal] li {
    clip-path: inset(0 100% 0 0);
    transition: clip-path .5s var(--ease);
  }
  html.js .wall__grid[data-reveal].in li { clip-path: inset(0 0 0 0); }
  html.js .wall__grid[data-reveal] li:nth-child(1)  { transition-delay: .04s; }
  html.js .wall__grid[data-reveal] li:nth-child(2)  { transition-delay: .08s; }
  html.js .wall__grid[data-reveal] li:nth-child(3)  { transition-delay: .12s; }
  html.js .wall__grid[data-reveal] li:nth-child(4)  { transition-delay: .16s; }
  html.js .wall__grid[data-reveal] li:nth-child(5)  { transition-delay: .20s; }
  html.js .wall__grid[data-reveal] li:nth-child(6)  { transition-delay: .24s; }
  html.js .wall__grid[data-reveal] li:nth-child(7)  { transition-delay: .28s; }
  html.js .wall__grid[data-reveal] li:nth-child(8)  { transition-delay: .32s; }
  html.js .wall__grid[data-reveal] li:nth-child(9)  { transition-delay: .36s; }
  html.js .wall__grid[data-reveal] li:nth-child(10) { transition-delay: .40s; }
  html.js .wall__grid[data-reveal] li:nth-child(11) { transition-delay: .44s; }
  html.js .wall__grid[data-reveal] li:nth-child(12) { transition-delay: .48s; }

  /* el marcador del H1 se pinta una vez al cargar */
  html.js body:not(.loaded) :is(.hero, .page) mark { background-size: 0% 100%; color: var(--ink); }
  html.js :is(.hero, .page) mark {
    background-size: 100% 100%; background-repeat: no-repeat;
    transition: background-size .8s var(--ease) .5s, color .5s var(--ease) .75s;
  }

  /* el mark invertido del CTA final se pinta al entrar en vista */
  html.js .final__copy[data-reveal]:not(.in) mark { background-size: 0% 100%; color: inherit; }
  html.js .final__copy[data-reveal] mark {
    background-size: 100% 100%; background-repeat: no-repeat;
    transition: background-size .8s var(--ease) .35s, color .5s var(--ease) .6s;
  }

  /* las hairlines maestras se trazan */
  html.js .rows[data-reveal], html.js .shift[data-reveal] { border-top: 0; }
  html.js .rows[data-reveal]::before, html.js .shift[data-reveal]::before {
    content: ""; display: block; height: 1px; background: var(--ink);
    transform: scaleX(0); transform-origin: left;
    transition: transform .9s var(--ease) .1s;
  }
  html.js .rows[data-reveal].in::before, html.js .shift[data-reveal].in::before { transform: scaleX(1); }

  /* filas de servicio: escalonadas */
  html.js .rows[data-reveal] .row {
    opacity: 0; transform: translateY(14px);
    transition:
      opacity .6s var(--ease) calc(var(--n, 0) * 70ms + .15s),
      transform .6s var(--ease) calc(var(--n, 0) * 70ms + .15s),
      background .2s var(--ease) 0s,
      box-shadow .2s var(--ease) 0s;
  }
  html.js .rows[data-reveal].in .row { opacity: 1; transform: none; }

  /* tabla: primero el dolor, 120ms después la solución */
  html.js .shift[data-reveal] :is(.shift__head, .shift__theme, .shift__old, .shift__new, .shift__tag) {
    opacity: 0;
    transition: opacity .55s var(--ease) calc(var(--n, 0) * 60ms + .1s);
  }
  html.js .shift[data-reveal] :is(.shift__new, .shift__tag) { transition-delay: calc(var(--n, 0) * 60ms + .23s); }
  html.js .shift[data-reveal].in :is(.shift__head, .shift__theme, .shift__old, .shift__new, .shift__tag) { opacity: 1; }
  /* R19·1 la corrección cae fila a fila, después del fade de cada celda
     (la transition va SOLO en la regla .in: si viviera en la regla base, el
     salto muted-2→transparent de la clase js al cargar también animaría) */
  html.js .shift[data-reveal]:not(.in) .shift__old s { text-decoration-color: transparent; }
  html.js .shift[data-reveal].in .shift__old s {
    transition: text-decoration-color .45s var(--ease) calc(var(--n, 0) * 60ms + .75s);
  }

  /* R19·5 ficha de Stella: las capacidades se asientan una a una
     (transition SOLO en .in — en la regla base animaría el salto 1→0
     cuando lp.js, en defer, añade la clase js tras el primer paint) */
  html.js .stella[data-reveal]:not(.in) .stella__caps li { opacity: 0; transform: translateY(10px); }
  html.js .stella[data-reveal].in .stella__caps li {
    transition:
      opacity .5s var(--ease) calc(var(--sn, 0) * 90ms + .3s),
      transform .5s var(--ease) calc(var(--sn, 0) * 90ms + .3s);
  }

  /* manifiesto: revelado por frases (el único momento coreografiado) */
  html.js .manifesto__inner[data-reveal] h2 :is(span, em), html.js .manifesto__inner[data-reveal] > p {
    opacity: 0; transform: translateY(.4em);
    transition:
      opacity .6s var(--ease) calc(var(--i, 0) * 140ms),
      transform .6s var(--ease) calc(var(--i, 0) * 140ms),
      color .6s var(--ease) calc(var(--i, 0) * 140ms + .3s);
  }
  html.js .manifesto__inner[data-reveal]:not(.in) h2 em { color: var(--dark-paper); }
  html.js .manifesto__inner[data-reveal].in h2 :is(span, em), html.js .manifesto__inner[data-reveal].in > p { opacity: 1; transform: none; }

  /* R8 · las rayas del oficio se trazan: carry y doble raya del cuadro */
  html.js .sec__carry[data-reveal]:not(.in) { color: transparent; }
  html.js .sec__carry[data-reveal].in { transition: color .45s var(--ease) .5s; }
  html.js .sec__carry[data-reveal]::before { transform-origin: left; }
  html.js .sec__carry[data-reveal]:not(.in)::before { transform: scaleX(0); }
  html.js .sec__carry[data-reveal].in::before { transition: transform .7s var(--ease) .1s; }
  html.js .shift[data-reveal]::after { transform-origin: left; }
  html.js .shift[data-reveal]:not(.in)::after { transform: scaleX(0); }
  html.js .shift[data-reveal].in::after { transition: transform .7s var(--ease) .55s; }
}
.stella__caps li:nth-child(1) { --sn: 0; }
.stella__caps li:nth-child(2) { --sn: 1; }
.stella__caps li:nth-child(3) { --sn: 2; }
.stella__caps li:nth-child(4) { --sn: 3; }
.row:nth-child(1), .shift__row:nth-child(2) { --n: 0; }
.row:nth-child(2), .shift__row:nth-child(3) { --n: 1; }
.row:nth-child(3), .shift__row:nth-child(4) { --n: 2; }
.row:nth-child(4), .shift__row:nth-child(5) { --n: 3; }
.row:nth-child(5), .shift__row:nth-child(6) { --n: 4; }
.row:nth-child(6), .shift__row:nth-child(7) { --n: 5; }

/* micro-estados sin JS (:has es Baseline; sin soporte no pasa nada) */
.toolcard:has(#moraGate:disabled) .toolcard__result { opacity: .55; }
.toolcard .toolcard__result { transition: opacity .3s var(--ease); }
.field:has(:is(input, select, textarea):user-invalid) > span:first-child { color: #b3261e; }
.field :is(input, select, textarea):user-invalid { border-color: #b3261e; box-shadow: 0 0 0 3px rgba(179, 38, 30, .08); }
/* selects sin valor se leen como placeholder */
.field select:required:invalid, .field select:has(option[value='']:checked) { color: #9a9ea6; }
.toolcard .field select:required:invalid, .toolcard .field select:has(option[value='']:checked) { color: var(--muted-2); }
.field select option { color: initial; }
.sec__grid {
  display: grid;
  grid-template-columns: minmax(150px, 1fr) minmax(0, 3.2fr);
  gap: clamp(24px, 4vw, 72px);
  align-items: start;
}
.sec__index { display: flex; flex-direction: column; gap: 10px; position: sticky; top: 100px; }
.sec__head { margin-bottom: clamp(36px, 5vw, 56px); }
.sec__head .h2 { margin-bottom: 18px; }
.sec__head .lede { max-width: 56ch; }

/* filas hairline (servicio, pasos) */
.rows { border-top: 1px solid var(--ink); position: relative; }
.row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(16px, 3vw, 40px);
  padding: clamp(20px, 2.6vw, 30px) 0;
  border-bottom: 1px solid var(--line);
  align-items: baseline;
  transition: background .2s var(--ease), box-shadow .2s var(--ease);
}
.row:hover { background: var(--paper-2); box-shadow: -14px 0 0 var(--paper-2), 14px 0 0 var(--paper-2); }
.sec--alt .row:hover { background: var(--card); box-shadow: -14px 0 0 var(--card), 14px 0 0 var(--card); }
.row__n { font-family: var(--mono); font-size: 13px; color: var(--muted-2); transition: color .15s var(--ease); }
.row:hover .row__n { color: var(--accent-deep); }
.row :is(h2, h3) { font-family: var(--sans); font-weight: 600; font-size: clamp(1.0625rem, .95rem + .5vw, 1.25rem); line-height: 1.35; letter-spacing: -.01em; }
.row p { margin: 0; color: var(--muted); font-size: 15.5px; line-height: 1.55; }
@media (max-width: 720px) {
  .row { grid-template-columns: 40px 1fr; }
  .row p { grid-column: 2; }
}

/* filas del servicio: descripción + capacidad real de Stella */
.row--svc { grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1.5fr); }
.row__body { display: flex; flex-direction: column; gap: 10px; }
.row__body p { margin: 0; }
/* ronda 13: el feature de Stella como tarjeta de producto embebida —
   fondo tenue + borde fino (mismo sistema del leadform: radio 3px) e
   isotipo real de marca; deja de leerse como nota al pie */
.row__tool {
  display: flex; flex-direction: column; gap: 6px;
  padding: 13px 15px;
  background: var(--paper-2);
  border: 1px solid var(--line-2);
  border-radius: 3px;
  font-size: 14px; line-height: 1.55; color: var(--muted);
  transition: background .2s var(--ease);
}
.row__tool i {
  font-style: normal; font-family: var(--head); font-weight: 500;
  font-size: 15px; letter-spacing: -.02em; line-height: 1;
  color: var(--ink);
  display: flex; align-items: center;
}
.row__tool i b { font-weight: inherit; color: var(--accent); }
/* la fila en hover se pinta de paper-2 (el fondo de la tarjeta): se invierte
   a paper para que la tarjeta siga contrastando (#servicio no es sec--alt) */
.row--svc:hover .row__tool { background: var(--paper); }
@media (max-width: 720px) {
  .row--svc { grid-template-columns: 40px 1fr; }
  .row--svc .row__body { grid-column: 2; }
}

/* ── el servicio como libro mayor (ronda 9) ──────────────────── */

/* cabecera de libro: rótulos mono sobre la regla de tinta */
.rows__head {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) minmax(0, 1.5fr);
  gap: clamp(16px, 3vw, 40px);
  padding-bottom: 10px;
  font-family: var(--mono); font-size: 11px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--muted-2);
}
@media (max-width: 720px) { .rows__head { display: none; } }

/* título + cadencia real de cada fila (frecuencia derivada del copy, no métricas) */
.row__t { display: flex; flex-direction: column; gap: 7px; align-items: flex-start; }
.row__when {
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted-2);
}
/* R19·3 fila viva (svcSet): el nº se enciende y la cadencia se subraya.
   El ::after mide siempre 1px de alto — solo escala, cero salto de layout. */
.row--svc.is-live .row__n { color: var(--accent-deep); }
.row__when::after {
  content: ""; display: block; height: 1px; margin-top: 3px;
  background: var(--accent);
  transform: scaleX(0); transform-origin: left;
}
.row--svc.is-live .row__when::after { transform: scaleX(1); }
@media (prefers-reduced-motion: no-preference) {
  .row__when::after { transition: transform .4s var(--ease); }
}

/* numeral fantasma: el nº de la fila crece a numeral delineado tras el cuerpo,
   cortado por las reglas de la fila (rima con el ghost de .stella::after) */
.row--svc { position: relative; isolation: isolate; overflow: hidden; }
.row--svc::after {
  content: attr(data-ghost);
  /* alt vacío donde el navegador lo soporta: .row__n ya se lee en voz alta */
  content: attr(data-ghost) / "";
  position: absolute; z-index: -1;
  /* R19·2 anclado al vacío de la columna del título: a la derecha lo tapaba
     la tarjeta de Stella (z-index -1 queda bajo su fondo) y salía recortado */
  left: calc(56px + clamp(16px, 3vw, 40px)); bottom: -.14em;
  font-family: var(--head); font-weight: 500; line-height: 1;
  font-size: clamp(6rem, 3.5rem + 9vw, 10.5rem);
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1.5px color-mix(in srgb, var(--ink) 15%, transparent);
  pointer-events: none; user-select: none;
  opacity: 0; transform: translateY(.08em);
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .row--svc::after { transition: opacity .5s var(--ease), transform .5s var(--ease); }
}
/* sin columna de título propia, el fantasma vuelve al borde derecho
   (este bloque va DESPUÉS de la definición base para ganar la cascada) */
@media (max-width: 720px) {
  .row--svc::after { left: auto; right: -.02em; }
}
@media (hover: hover) {
  .row--svc:hover::after { opacity: 1; transform: none; }
}
/* sin puntero con hover: tenue y estático; si hay animation-timeline, entra con el scroll */
@media (hover: none) {
  .row--svc::after { opacity: 1; transform: none; }
}
@supports (animation-timeline: view()) {
  @media (hover: none) and (prefers-reduced-motion: no-preference) {
    .row--svc::after {
      animation: svcGhost linear both;
      animation-timeline: view();
      animation-range: entry 40% entry 100%;
    }
    @keyframes svcGhost {
      from { opacity: 0; transform: translateY(.1em); }
      to   { opacity: 1; transform: none; }
    }
  }
}

/* marcador de libro: regla de acento que se desliza a la fila activa (lp.js) */
.rows__mark {
  position: absolute; left: -14px; top: 0;
  width: 2px; height: 1px;
  background: var(--accent);
  transform-origin: 0 0;
  opacity: 0;
  pointer-events: none;
}
.rows__mark.is-on { opacity: 1; }
@media (prefers-reduced-motion: no-preference) {
  .rows__mark { transition: transform .45s var(--ease), opacity .25s var(--ease); }
}

/* sub-índice pegajoso: mini-TOC del servicio bajo el 01 (solo escritorio) */
.sec__toc { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--line-2); }
.sec__toc a {
  font-family: var(--mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--muted-2);
  position: relative; padding-left: 15px;
  transition: color .15s var(--ease);
}
.sec__toc a::before {
  content: ""; position: absolute; left: 0; top: 50%;
  width: 7px; height: 7px; margin-top: -3.5px;
  background: var(--line-2);
  transition: background .15s var(--ease);
}
.sec__toc a:hover, .sec__toc a.is-active { color: var(--ink); }
.sec__toc a.is-active::before { background: var(--accent); }
@media (max-width: 940px) { .sec__toc { display: none; } }

/* bloque insignia: Stella como placa oscura (rima con el manifiesto) */
.stella {
  margin-top: clamp(40px, 6vw, 64px);
  border-top: 3px solid var(--accent);
  background: var(--dark);
  color: var(--dark-paper);
  padding: clamp(28px, 4vw, 48px);
  position: relative;
  overflow: hidden;
}
.stella > * { position: relative; z-index: 1; }
/* wordmark fantasma delineado, cortado por la esquina */
.stella::after {
  content: "Stella.";
  position: absolute; right: -.12em; bottom: -.3em; z-index: 0;
  font-family: var(--head); font-weight: 500; line-height: 1;
  font-size: clamp(7rem, 3rem + 13vw, 14rem);
  letter-spacing: -.04em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, .10);
  pointer-events: none; user-select: none;
}
.stella__top { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.stella__top .overline { color: var(--dark-muted); }
.stella__name {
  font-family: var(--head); font-weight: 500; color: #fff;
  font-size: clamp(1.875rem, 1.3rem + 2.2vw, 2.75rem); letter-spacing: -.03em; line-height: 1;
}
.stella__name i { font-style: normal; color: var(--accent); }
/* isotipo oficial de Stella (SVG de marca, degradado azul propio): dimensionado
   en em para que siga el clamp del nombre; decorativo (alt vacío), el nombre
   en texto sigue siendo quien presenta la marca. inline-block deshace el
   display:block del reset de imágenes — el lockup oficial es horizontal */
.stella__iso { display: inline-block; height: 1em; width: auto; vertical-align: -.12em; margin-right: .32em; }
.stella__lead { margin: 0 0 clamp(24px, 3.4vw, 36px); color: var(--dark-muted); font-size: clamp(15.5px, 1.7vw, 17.5px); line-height: 1.65; max-width: 58ch; }
.stella__caps { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 0 clamp(24px, 4vw, 56px); counter-reset: scap; }
.stella__caps li { border-top: 1px solid rgba(255, 255, 255, .14); padding: 16px 0; display: flex; flex-direction: column; gap: 4px; counter-increment: scap; }
/* R19·5 literales de nota (sub-asiento de la ronda 15): a. b. c. d. en mono */
.stella__caps b::before {
  content: counter(scap, lower-alpha) ".";
  content: counter(scap, lower-alpha) "." / "";
  font-family: var(--mono); font-weight: 400; font-size: 11px;
  color: var(--accent); margin-right: 8px;
}
.stella__caps b { font-weight: 600; font-size: 15px; letter-spacing: -.01em; color: #fff; }
.stella__caps span { font-size: 13.5px; color: var(--dark-muted); line-height: 1.55; }
@media (max-width: 720px) { .stella__caps { grid-template-columns: 1fr; } }

/* tabla antes / después */
.shift { border-top: 1px solid var(--ink); }
.shift__head, .shift__row {
  display: grid;
  grid-template-columns: minmax(120px, .8fr) 1fr 1fr;
  gap: clamp(16px, 3vw, 44px);
}
.shift__head { padding: 14px 0; }
.shift__head span { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted-2); }
.shift__head .is-bt { color: var(--accent-deep); display: inline-flex; align-items: center; gap: 8px; }
.shift__head .is-bt::before { content: ""; width: 8px; height: 8px; background: var(--accent); }
.shift__row { padding: 20px 0; border-top: 1px solid var(--line); align-items: baseline; }
.shift__row:last-child { border-bottom: 0; }
/* R19·4 relieve por fila (patrón de .sec--alt .row:hover): la fila se pinta
   de card con sangrado ±14px; el riel amarillo de la col. 3 queda en relieve */
@media (hover: hover) {
  .shift__row { transition: background .2s var(--ease), box-shadow .2s var(--ease); }
  .shift__row:hover { background: var(--card); box-shadow: -14px 0 0 var(--card), 14px 0 0 var(--card); }
}
.shift__theme { font-family: var(--sans); font-weight: 600; font-size: 15.5px; letter-spacing: -.01em; }
.shift__old { color: var(--muted); font-size: 15.5px; display: flex; gap: 12px; align-items: baseline; }
.shift__old::before { content: "—"; color: var(--muted-2); flex: none; }
/* R19·1 corrección de asiento: el estado viejo queda tachado como en un libro —
   no se borra, se corrige. En reposo (sin JS, reduced-motion, papel) la línea
   ya está trazada; la animación solo la hace llegar. */
.shift__old s { text-decoration: line-through; text-decoration-thickness: 1px; text-decoration-color: var(--muted-2); }
/* riel amarillo continuo: la columna "Con Backteam" gana como bloque */
.shift__new {
  font-size: 15.5px; font-weight: 500;
  display: flex; gap: 12px; align-items: baseline;
  background: var(--accent-wash);
  padding: 20px 16px;
  margin: -20px 0 calc(-20px - 1px);
  align-self: stretch;
}
.shift__new::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex: none; transform: translateY(-1px); }
.shift__head .is-bt { padding-left: 16px; }
.shift__tag { display: none; }
@media (max-width: 720px) {
  .shift__new { margin: 0; padding: 14px 16px; align-self: start; }
  .shift__head .is-bt { padding-left: 0; }
  /* el tag "con Backteam" ya trae el cuadrito justo encima: el del panel sobra */
  .shift__new::before { display: none; }
}
@media (max-width: 720px) {
  .shift__head { display: none; }
  .shift__row { grid-template-columns: 1fr; gap: 10px; padding: 22px 0; }
  .shift__theme { font-family: var(--mono); font-weight: 500; font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); }
  .shift__tag {
    display: inline-flex; align-items: center; gap: 8px;
    font-family: var(--mono); font-size: 11px; letter-spacing: .14em;
    text-transform: uppercase; color: var(--accent-deep);
    margin-bottom: -2px;
  }
  .shift__tag::before { content: ""; width: 8px; height: 8px; background: var(--accent); flex: none; }
}

/* ---------- manifiesto (única banda oscura) ---------- */
.manifesto { background: var(--dark); color: var(--dark-paper); padding-block: var(--pad-band); }
.manifesto__inner { max-width: 880px; margin: 0 auto; display: flex; flex-direction: column; gap: 26px; }
.manifesto .overline { color: var(--accent); }
.manifesto h2 { font-size: clamp(1.875rem, 1.1rem + 3.2vw, 3.5rem); line-height: 1.1; max-width: 20ch; }
.manifesto h2 em { font-style: normal; color: var(--accent); }
.manifesto p { margin: 0; color: var(--dark-muted); font-size: clamp(16px, 1.8vw, 19px); line-height: 1.7; max-width: 56ch; }

/* ---------- testimonio: pull-quote editorial + ficha de atribución ---------- */
.quote { border-top: 1px solid var(--line); background: var(--paper-2); padding-block: var(--pad-sec); }
.quote__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(220px, .85fr);
  gap: clamp(32px, 5vw, 80px);
  align-items: end;
}
.quote blockquote {
  font-family: var(--head);
  font-weight: 500;
  font-size: clamp(1.5rem, 1.05rem + 1.9vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: -.025em;
  margin: 0;
  max-width: 32ch;
  position: relative;
}
.quote blockquote::before {
  content: "“";
  display: block;
  font-family: var(--head);
  font-size: clamp(60px, 6.5vw, 92px);
  line-height: .55;
  color: var(--accent);
  margin-bottom: 20px;
}
/* ronda 14: cita colgante — en pantallas anchas el glifo cuelga al margen
   (cabe en el gutter: 5vw ≥ 55px aquí) y el borde del texto queda a plomo;
   en angosto y en impresión (~816px) la media query no aplica y vuelve apilado */
@media (min-width: 1100px) {
  .quote blockquote::before { position: absolute; left: -.62em; top: -.02em; margin-bottom: 0; }
}
.quote__attr {
  border-top: 1px solid var(--line-2);
  padding-top: 16px;
  display: flex; flex-direction: column; gap: 12px;
  font-family: var(--mono); font-size: 12.5px; letter-spacing: .04em;
  color: var(--muted); line-height: 1.6;
}
.quote__attr b { color: var(--ink); font-weight: 500; }
.quote__attr img { width: auto; align-self: flex-start; opacity: .55; }
html[data-theme="dark"] .quote__attr img { filter: brightness(0) invert(1); opacity: .65; }
@media (max-width: 860px) { .quote__grid { grid-template-columns: 1fr; align-items: start; } }

/* ---------- FAQ ---------- */
.faq__grid {
  display: grid;
  grid-template-columns: minmax(220px, .9fr) minmax(0, 1.6fr);
  gap: clamp(32px, 5vw, 90px);
  align-items: start;
}
.faq__head { position: sticky; top: 100px; display: flex; flex-direction: column; gap: 14px; }
.faq__list { border-top: 1px solid var(--ink); counter-reset: qa; }
.qa { border-bottom: 1px solid var(--line); }
.qa summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; gap: 24px;
  padding: 22px 0;
  font-family: var(--head); font-weight: 500;
  font-size: clamp(17px, 1.9vw, 21px); line-height: 1.3; letter-spacing: -.02em;
  transition: color .15s;
}
/* ronda 14: numeración de partida — el FAQ era la única lista del libro sin
   numerar (filas, secciones y campos ya la llevan); alt vacío: decorativa */
.qa summary::before {
  counter-increment: qa;
  content: counter(qa, decimal-leading-zero);
  content: counter(qa, decimal-leading-zero) / "";
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
  color: var(--muted-2); flex: none;
  transition: color .15s var(--ease);
}
.qa summary:hover::before, .qa[open] summary::before { color: var(--accent-deep); }
.qa summary::-webkit-details-marker { display: none; }
.qa summary:hover { color: var(--accent-deep); }
.qa__ic { position: relative; width: 16px; height: 16px; flex: none; margin-left: auto; }
.qa__ic::before, .qa__ic::after { content: ""; position: absolute; background: var(--ink); transition: transform .2s var(--ease); }
.qa__ic::before { left: 0; top: 7px; width: 16px; height: 2px; }
.qa__ic::after { left: 7px; top: 0; width: 2px; height: 16px; }
.qa[open] .qa__ic::after { transform: scaleY(0); }
.qa__a p { margin: 0 0 24px; color: var(--muted); max-width: 58ch; font-size: 15.5px; }
@media (max-width: 860px) {
  .faq__grid { grid-template-columns: 1fr; }
  .faq__head { position: static; }
}

/* ---------- CTA final (única sección amarilla) ---------- */
.final { background: var(--accent); color: var(--on-accent); padding-block: var(--pad-sec); }
.final__grid {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.2fr);
  gap: clamp(40px, 6vw, 88px);
  align-items: start;
}
.final__copy { position: sticky; top: 100px; }
.final .overline { color: color-mix(in srgb, var(--on-accent) 62%, transparent); }
.final .overline::before { background: var(--on-accent); }
.final h2 { font-size: clamp(1.875rem, 1.2rem + 3vw, 3.375rem); line-height: 1.06; margin: 16px 0 18px; max-width: 16ch; }
.final__sub { font-size: 17px; max-width: 44ch; margin: 0; color: color-mix(in srgb, var(--on-accent) 78%, transparent); }
.assure { list-style: none; margin: 28px 0 0; padding: 0; display: flex; flex-direction: column; }
.assure li { display: flex; gap: 12px; align-items: baseline; padding: 12px 0; border-top: 1px solid color-mix(in srgb, var(--on-accent) 18%, transparent); font-size: 15px; font-weight: 500; }
.assure li::before { content: ""; width: 8px; height: 8px; background: var(--on-accent); flex: none; }
@media (max-width: 940px) {
  .final__grid { grid-template-columns: 1fr; }
  .final__copy { position: static; }
}

/* formulario: tarjeta clara fija (siempre legible sobre amarillo) */
.leadform {
  background: #ffffff;
  color: #101114;
  color-scheme: light;
  border-radius: 0;
  padding: clamp(26px, 3.4vw, 40px);
  display: flex; flex-direction: column; gap: 16px;
  box-shadow: var(--shadow-card);
}

/* ticks de esquina (registro suizo) — firma en los tres artefactos clave */
.ticks { position: relative; }
.ticks::before {
  content: ""; position: absolute; inset: 8px; pointer-events: none; z-index: 2;
  --tk: var(--line-2);
  background:
    linear-gradient(var(--tk), var(--tk)) 0 0 / 12px 1px,
    linear-gradient(var(--tk), var(--tk)) 0 0 / 1px 12px,
    linear-gradient(var(--tk), var(--tk)) 100% 0 / 12px 1px,
    linear-gradient(var(--tk), var(--tk)) 100% 0 / 1px 12px,
    linear-gradient(var(--tk), var(--tk)) 0 100% / 12px 1px,
    linear-gradient(var(--tk), var(--tk)) 0 100% / 1px 12px,
    linear-gradient(var(--tk), var(--tk)) 100% 100% / 12px 1px,
    linear-gradient(var(--tk), var(--tk)) 100% 100% / 1px 12px;
  background-repeat: no-repeat;
}
.stella.ticks::before { --tk: rgba(244, 211, 0, .38); }
.leadform.ticks::before { --tk: #d7d7dc; }
.leadform__h { font-family: var(--head); font-weight: 500; font-size: 22px; line-height: 1.3; letter-spacing: -.02em; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field--full { grid-column: 1 / -1; }
.form-grid .field { justify-content: flex-end; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field > span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #5b5f66; }
.field input, .field select, .field textarea {
  background: #fff; border: 1px solid #d7d7dc; border-radius: 3px;
  padding: 13px 14px; color: #101114; font-family: var(--sans); font-size: 16px;
  transition: border-color .15s, box-shadow .15s var(--ease); width: 100%;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: #101114; box-shadow: 0 0 0 3px rgba(244, 211, 0, .35); }
.field input::placeholder, .field textarea::placeholder { color: #9a9ea6; }
.field textarea { resize: vertical; min-height: 88px; line-height: 1.5; }
.field select {
  appearance: none; -webkit-appearance: none; padding-right: 38px; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%235b5f66' stroke-width='1.6' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
}

/* campos opcionales plegados */
.leadform details { border: 1px solid #e9e9ec; border-radius: 3px; }
.leadform details summary {
  list-style: none; cursor: pointer; padding: 13px 16px;
  font-size: 14px; font-weight: 600; color: #5b5f66;
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
}
.leadform details summary::-webkit-details-marker { display: none; }
.leadform details summary::after { content: "+"; font-family: var(--mono); font-size: 16px; transition: transform .2s var(--ease); }
.leadform details[open] summary::after { transform: rotate(45deg); }
.leadform details .form-grid { padding: 4px 16px 16px; }

/* consentimiento */
.consent { display: flex; gap: 11px; align-items: flex-start; font-size: 13px; color: #5b5f66; line-height: 1.5; padding-block: 6px; }
.consent input { width: 22px; height: 22px; margin-top: 0; flex: none; accent-color: #101114; cursor: pointer; }
.consent a { text-decoration: underline; text-underline-offset: 2px; color: #101114; }

/* honeypot: fuera de vista para humanos */
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.leadform .btn[type="submit"] { width: 100%; justify-content: center; background: #101114; color: #fff; }
.leadform .btn[type="submit"]:hover { background: #2a2d33; }
.leadform__alt { font-size: 13px; color: #5b5f66; text-align: center; margin: 0; }
.leadform__alt a { text-decoration: underline; text-underline-offset: 2px; color: #101114; }
.leadform__msg { font-size: 14px; margin: 0; text-align: center; }
.leadform__msg.ok { color: #2e7d32; }
.leadform__msg.err { color: #b3261e; }
.leadform__msg a { color: inherit; font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 520px) { .form-grid { grid-template-columns: 1fr; } }

/* ---------- herramientas de captura (calendario NIT · mora PH) ---------- */
.toolcard {
  background: var(--card);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  border-radius: 0;
  padding: clamp(24px, 3.4vw, 40px);
  display: flex; flex-direction: column; gap: 16px;
  box-shadow: var(--shadow-card);
}
.toolcard .form-grid { gap: 14px; }
.toolcard .field > span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.toolcard .field input, .toolcard .field select {
  background: var(--paper); border: 1px solid var(--line-2); border-radius: 3px;
  padding: 13px 14px; color: var(--ink); font-family: var(--sans); font-size: 16px;
  transition: border-color .15s, box-shadow .15s var(--ease); width: 100%;
}
.toolcard .field input:focus, .toolcard .field select:focus { outline: none; border-color: var(--ink); box-shadow: 0 0 0 3px rgba(244, 211, 0, .35); }
.toolcard .field input::placeholder { color: var(--muted-2); }
.toolcard .field select {
  appearance: none; -webkit-appearance: none; padding-right: 38px; cursor: pointer;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%236c7077' stroke-width='1.6' stroke-linecap='round'/></svg>");
  background-repeat: no-repeat; background-position: right 14px center;
}
.toolcard .consent { color: var(--muted); }
.toolcard .consent a { color: var(--ink); }
.toolcard .consent input { accent-color: var(--ink); }
.toolcard .btn[type="submit"] { width: 100%; justify-content: center; }
.toolcard .leadform__msg { text-align: left; }
.toolcard__note { font-size: 12.5px; color: var(--muted-2); margin: 0; }
/* la toolcard registra el borde derecho con la retícula (x=1268 @1440);
   los textos menores no estiran la línea de lectura */
.toolcard .consent > span,
.toolcard__note { max-width: 66ch; }
.field__hint { font-family: var(--sans) !important; font-size: 12px !important; letter-spacing: 0 !important; text-transform: none !important; color: var(--muted-2) !important; }

/* los datos que el usuario escribe también viven en mono (nivel registro) */
.field input:is([inputmode="numeric"], [inputmode="decimal"], [type="tel"], [type="number"], [type="date"]) {
  font-family: var(--mono);
  letter-spacing: .02em;
  line-height: 21px; /* iguala la caja de Hanken normal a 16px: inputs de 49px en ambas voces */
}

/* NIT con dígito de verificación calculado en vivo */
.nit-dv {
  font-family: var(--mono); font-size: 13px; color: var(--accent-deep);
  display: none; padding-top: 6px;
}
.nit-dv.show { display: block; }

/* resultado del cálculo (mora PH) */
.toolcard__result {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 0;
  padding: 20px 22px;
  display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px;
}
.toolcard__result .r-item { display: flex; flex-direction: column; gap: 4px; }
.toolcard__result .r-k { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.toolcard__result .r-v { font-family: var(--head); font-weight: 500; font-size: clamp(19px, 2vw, 26px); letter-spacing: -.02em; font-variant-numeric: tabular-nums; }
.toolcard__result .r-v.hi { color: var(--accent-deep); }
@media (max-width: 560px) { .toolcard__result { grid-template-columns: 1fr; gap: 12px; } }

/* compuerta: el formulario de descarga aparece tras calcular */
.toolgate { display: none; flex-direction: column; gap: 16px; border-top: 1px solid var(--line); padding-top: 18px; }
.toolgate.show { display: flex; }
.toolgate__h { font-weight: 600; font-size: 15.5px; }

/* éxito de la herramienta */
.tool-ok { display: none; flex-direction: column; gap: 12px; }
.tool-ok.show { display: flex; }
.tool-ok__t { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 17px; }
.tool-ok__t::before { content: "✓"; width: 24px; height: 24px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; font-size: 12px; font-weight: 700; flex: none; }
.tool-ok p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* ---------- footer: cierre negro con firma gigante ---------- */
.foot { background: var(--dark); color: var(--dark-muted); overflow: hidden; overflow: clip; }
.foot .brand__logo--light { display: none; }
.foot .brand__logo--dark { display: block; }
.foot__main {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 28px; flex-wrap: wrap; padding-block: clamp(40px, 5vw, 64px) clamp(28px, 4vw, 44px);
}
.foot__id { display: flex; flex-direction: column; gap: 12px; max-width: 34ch; }
.foot__id .brand__logo { height: 19px; }
.foot__id p { margin: 0; font-size: 13.5px; color: var(--dark-muted); line-height: 1.6; }
.foot__links { display: flex; flex-direction: column; gap: 2px; }
.foot__links a { font-size: 14.5px; color: var(--dark-paper); padding-block: 8px; border-bottom: 1px solid transparent; align-self: flex-start; transition: border-color .15s; }
.foot__links a:hover { border-color: var(--accent); }
.foot__k { font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: var(--dark-muted); margin-bottom: 4px; }

/* firma tipográfica a todo el ancho, cortada por el borde inferior de la página */
.foot__mark {
  font-family: var(--head); font-weight: 500;
  font-size: clamp(4.5rem, 1rem + 15.5vw, 14.5rem);
  line-height: .78; letter-spacing: -.04em;
  color: var(--dark-paper);
  --mark-y: .18em; transform: translateY(var(--mark-y));
  white-space: nowrap;
  margin-top: clamp(24px, 4vw, 48px);
  pointer-events: none; user-select: none;
}
.foot__mark span { color: var(--accent); }

/* mejora progresiva (animation-timeline NO es Baseline widely available):
   la firma se "imprime" al entrar en el viewport. Fallback: estático actual.
   animation-timeline debe declararse DESPUÉS del shorthand animation. */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .foot__mark {
      animation: markPrint linear both;
      animation-timeline: view();
      animation-range: entry 0% entry 90%;
    }
    @keyframes markPrint {
      /* la tinta acompaña al desplazamiento: en el estado 0% (bajo el recorte
         del footer) el texto aún no existe — evita falso positivo de contraste */
      from { transform: translateY(calc(var(--mark-y) + .45em)); opacity: 0; }
      to   { transform: translateY(var(--mark-y)); opacity: 1; }
    }
  }
}

.foot__base {
  display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap;
  padding-block: 20px; border-top: 1px solid rgba(255, 255, 255, .12);
  font-size: 13px; color: var(--dark-muted);
}
.foot__colofon { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }

/* toggle de idioma (header) */
.lang-toggle {
  display: inline-flex; align-items: center; padding: 3px;
  background: var(--paper-2); border: 1px solid var(--line-2); border-radius: 100px;
  cursor: pointer; font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .06em;
  transition: border-color .15s var(--ease);
}
.lang-toggle:hover { border-color: var(--muted-2); }
.lang-toggle__opt { padding: 4px 9px; border-radius: 100px; color: var(--muted-2); transition: background .15s, color .15s; }
.lang-toggle__opt.is-active { background: var(--ink); color: var(--paper); }

/* área de toque extendida en móvil: a ≤700px los toggles son los únicos controles del header */
@media (max-width: 700px) {
  .theme-toggle, .lang-toggle { position: relative; }
  .theme-toggle::after, .lang-toggle::after {
    content: "";
    position: absolute;
    inset: -11px -8px;
  }
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: clamp(16px, 3vw, 32px); bottom: clamp(16px, 3vw, 32px); z-index: 90;
  transition: opacity .2s var(--ease), transform .2s var(--ease), bottom .25s var(--ease);
}
.wa-float__btn {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--ink); color: var(--accent);
  display: grid; place-items: center;
  box-shadow: 0 0 0 2px var(--paper), 0 12px 28px -8px rgba(0, 0, 0, .35);
  transition: transform .15s var(--ease);
}
.wa-float__btn:focus-visible { box-shadow: 0 0 0 2px var(--paper), 0 0 0 5px var(--accent), 0 12px 28px -8px rgba(0, 0, 0, .35); }
html[data-theme="dark"] .wa-float__btn { background: var(--accent); color: #101114; }
.wa-float__btn:hover { transform: scale(1.06); }
.wa-float__btn:active { transform: scale(.96); }
.wa-float__btn svg { width: 28px; height: 28px; display: block; }
@media (max-width: 620px) { .wa-float__btn { width: 48px; height: 48px; } }

/* ---------- barra CTA fija (móvil) ---------- */
.mcta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 80;
  display: none;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
  background: var(--paper);
  background: color-mix(in srgb, var(--paper) 90%, transparent);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--line);
  transition: transform .25s var(--ease);
}
.mcta .btn { width: 100%; justify-content: center; padding-block: 15px; font-size: 16px; }
.mcta.is-hidden { transform: translateY(110%); }
@media (max-width: 700px) {
  /* mejora progresiva: la barra solo aparece si lp.js marcó el body */
  body.has-mcta .mcta { display: block; }
  /* el buffer de la barra vive dentro del footer negro; la firma
     gigante se compensa para seguir cortada por el borde visible */
  body.has-mcta .foot { padding-bottom: calc(84px + env(safe-area-inset-bottom, 0px)); }
  body.has-mcta .foot__mark { --mark-y: calc(.18em + 84px + env(safe-area-inset-bottom, 0px)); transform: translateY(var(--mark-y)); }
  body.has-mcta .wa-float { right: 12px; }
  body.has-mcta.mcta-on .wa-float { bottom: 80px; }
  /* con el formulario a la vista, el CTA manda: fuera burbuja y barra */
  body.has-mcta.mcta-off .wa-float { opacity: 0; transform: scale(.85); pointer-events: none; }
}

/* ---------- índice de sección vivo (scroll-spy rail) ---------- */
.secrail {
  position: fixed; left: 22px; top: 50%; transform: translateY(-50%);
  z-index: 40; display: none; flex-direction: column; align-items: flex-start;
  gap: 6px; margin: 0; padding: 4px 0;
}
/* el tick sólo ocupa la marca en el margen: la etiqueta va absoluta y sin
   pointer-events para no interceptar clicks del contenido (índices de sección,
   columnas sticky) que quedan a su derecha */
.secrail__tick {
  position: relative; display: flex; align-items: center;
  width: max-content; padding: 5px 0; color: var(--muted-2);
}
.secrail__line {
  width: 16px; height: 1.5px; background: currentColor; flex: none;
  transition: width .25s var(--ease), background-color .25s var(--ease);
}
.secrail__label {
  position: absolute; left: calc(100% + 12px); top: 50%; pointer-events: none;
  font-family: var(--mono); font-size: 11px; letter-spacing: .14em; text-transform: uppercase;
  white-space: nowrap; opacity: 0; transform: translateY(-50%) translateX(-4px);
  transition: opacity .2s var(--ease), transform .2s var(--ease);
}
.secrail__tick:hover, .secrail__tick:focus-visible { color: var(--ink); outline: none; }
.secrail__tick:hover .secrail__line, .secrail__tick:focus-visible .secrail__line { width: 26px; }
.secrail__tick:hover .secrail__label, .secrail__tick:focus-visible .secrail__label { opacity: 1; transform: translateY(-50%); }
.secrail__tick.is-active { color: var(--ink); }
.secrail__tick.is-active .secrail__line { width: 30px; background: var(--accent); }
/* progreso de lectura (R7): guía a la izquierda de los ticks que se llena con el
   avance del scroll. Refleja el punto de lectura de forma continua, junto a la
   sección activa (discreta). Sin transición → sigue al scroll con exactitud */
.secrail__prog {
  position: absolute; left: -14px; top: 6px; bottom: 6px; width: 2px;
  background: var(--line-2); border-radius: 2px; overflow: hidden;
}
.secrail__prog i {
  position: absolute; inset: 0; transform-origin: top;
  transform: scaleY(var(--railp, 0)); background: var(--accent);
}
@media (min-width: 1180px) { .secrail { display: flex; } }
@media (prefers-reduced-motion: reduce) { .secrail__line, .secrail__label { transition: none; } }

/* ---------- responsive base ---------- */
@media (max-width: 940px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr); align-items: start; gap: 34px; }
  .fact { border-left: 0; border-top: 1px solid var(--line-2); padding-left: 0; padding-top: 22px; max-width: 380px; }
  .sec__grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .sec__index { position: static; flex-direction: row; align-items: baseline; gap: 14px; }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .btn { white-space: normal; text-align: center; }
  .hero__actions { width: 100%; }
  .hero__actions .btn { flex: 1 1 100%; justify-content: center; padding-block: 16px; }
  .stella { padding-bottom: 88px; }
  .stella::after { font-size: 5.75rem; -webkit-text-stroke-color: rgba(255, 255, 255, .08); }
  /* el dato +8 se lee en horizontal: cifra y leyenda comparten línea base */
  .fact { display: flex; align-items: flex-end; align-items: last baseline; gap: 18px; max-width: none; }
  .fact__l { margin-top: 0; }
  .hero:has(.hero__skyline) { padding-bottom: clamp(120px, 24vw, 150px); }
}

@media (max-width: 480px) {
  .overline { font-size: 11px; letter-spacing: .14em; }
}

/* ---------- página simple (privacidad / gracias) ---------- */
.page { padding-block: clamp(56px, 8vw, 100px); }
.page__inner { max-width: 760px; }
.page h1 { font-size: clamp(30px, 5vw, 52px); letter-spacing: -.03em; line-height: 1.12; margin-bottom: 10px; }
.page .page__inner > h2 {
  display: flex; gap: 14px; align-items: baseline;
  font-size: 21px;
  border-top: 1px solid var(--line-2); padding-top: 18px; margin: 34px 0 10px;
  scroll-margin-top: 84px;
}
.page .h2__idx { font-family: var(--mono); font-size: 12px; font-weight: 400; color: var(--muted-2); letter-spacing: .08em; }
/* ronda 15: al llegar por ancla (#derechos, #cookies…) el índice de la
   partida se marca en tinta de acento, como el 01–06 abierto del FAQ */
.page .page__inner > h2:target .h2__idx { color: var(--accent-deep); }
.page__back { margin-top: 40px; }
/* ronda 15: la doble raya del total cierra el documento antes del Volver
   (misma notación que .page .rows::after en /gracias/) */
.page__back::before {
  content: ""; display: block; height: 7px; margin-bottom: 28px;
  border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink);
}
.page__langnote { font-size: 14px; color: var(--muted-2); }
.page p, .page li { color: var(--ink-soft); font-size: 16px; line-height: 1.7; max-width: 62ch; }
/* ronda 15: numeración de partida en las viñetas — las únicas listas del
   sitio sin numerar; sub-asientos a. b. c. en mono (el HTML pone
   role="list": sin viñeta nativa, Safari les quita la semántica) */
.page ul { list-style: none; padding-left: 0; counter-reset: pli; }
.page li { counter-increment: pli; display: grid; grid-template-columns: 26px minmax(0, 1fr); align-items: baseline; }
.page li + li { margin-top: 6px; }
.page li::before {
  content: counter(pli, lower-alpha) ".";
  /* alt vacío donde el navegador lo soporta: numeración decorativa */
  content: counter(pli, lower-alpha) "." / "";
  font-family: var(--mono); font-size: 12px; letter-spacing: .08em;
  color: var(--muted-2);
}
.page .updated { font-family: var(--mono); font-size: 12px; color: var(--muted-2); letter-spacing: .08em; text-transform: uppercase; }

/* apertura animada de details (mejora progresiva, cero JS) */
@media (prefers-reduced-motion: no-preference) {
  @supports (interpolate-size: allow-keywords) {
    :root { interpolate-size: allow-keywords; }
    .leadform details::details-content, .qa::details-content {
      block-size: 0; overflow: clip;
      transition: block-size .3s var(--ease), content-visibility .3s allow-discrete;
    }
    .leadform details[open]::details-content, .qa[open]::details-content { block-size: auto; }
    /* C2 · la respuesta entra como tinta: aparece y asienta, no solo crece */
    .qa::details-content {
      opacity: 0; translate: 0 -6px;
      transition: block-size .3s var(--ease), content-visibility .3s allow-discrete,
        opacity .3s var(--ease), translate .3s var(--ease);
    }
    .qa[open]::details-content { opacity: 1; translate: 0 0; }
    /* cierre seco al abrir otra pregunta: el reflow ocurre en el frame del toque y el JS compensa el scroll */
    .qa--snap::details-content { transition: none; }
  }
}

/* ============================================================
   RONDA 5 · El idioma del oficio: las convenciones visuales de
   la contabilidad (doble raya, suma y sigue) como diseño
   ============================================================ */

/* C1 · doble raya contable: el total que cuadra */
.shift::after {
  content: ""; display: block; height: 7px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}
.fact__k {
  border-bottom: 1px solid var(--ink);
  box-shadow: 0 3px 0 -1px var(--accent);
  padding-bottom: 10px;
  width: max-content;
}
.toolcard__result .r-item:last-child .r-v {
  border-bottom: 1px solid var(--ink);
  box-shadow: 0 3px 0 -1px var(--accent);
  padding-bottom: 8px;
  width: max-content;
  transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
}

/* C3 · coreografía del H1 por líneas (transform puro: el LCP pinta igual) */
.display .l { display: block; clip-path: inset(-0.08em -0.25em); }
.display .li { display: block; }
@media (prefers-reduced-motion: no-preference) {
  .display .li { animation: lineUp .55s var(--ease) both; }
  .display .l:nth-child(2) .li { animation-delay: .06s; }
  .display .l:nth-child(3) .li { animation-delay: .12s; }
  .display .l:nth-child(4) .li { animation-delay: .18s; }
}
@keyframes lineUp { from { transform: translateY(110%); } to { transform: translateY(0); } }

/* C3b · el cambio de idioma no repite la llegada: el view transition ya hace la transición */
html.lang-switched .display .li { animation: none; }

/* C4 · spotlight amarillo en la trama de puntos (solo puntero fino) */
@media (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .hero--spot::before {
    content: ""; position: absolute; inset: 0; z-index: 1;
    background-image: radial-gradient(var(--accent) 1px, transparent 1px);
    background-size: 26px 26px;
    pointer-events: none;
    -webkit-mask: radial-gradient(240px circle at var(--mx, -999px) var(--my, -999px), #000 0 45%, transparent 75%);
    mask: radial-gradient(240px circle at var(--mx, -999px) var(--my, -999px), #000 0 45%, transparent 75%);
  }
}

/* C5 · suma y sigue: marcas de continuidad de libro mayor */
.sec__carry {
  display: flex; align-items: center; gap: 12px;
  margin: clamp(32px, 5vw, 56px) 0 0;
  font: 500 11px/1 var(--mono);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--muted);
}
.sec__carry::before { content: ""; flex: 1; height: 1px; background: var(--line-2); }

/* C6 · costura de conversión */
.leadform .btn[type="submit"].is-sent { background: var(--accent); color: var(--on-accent); }
@view-transition { navigation: auto; }
.brand { view-transition-name: bt-brand; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .22s; }

/* C7 · revelado circular al cambiar de tema */
html.vt-theme::view-transition-old(root) { animation: none; }
html.vt-theme::view-transition-new(root) { animation: vt-circle .45s var(--ease); }
@keyframes vt-circle {
  from { clip-path: circle(0 at var(--vt-x, 50%) var(--vt-y, 0%)); }
  to { clip-path: circle(150% at var(--vt-x, 50%) var(--vt-y, 0%)); }
}
@media (prefers-reduced-motion: reduce) {
  ::view-transition-group(*), ::view-transition-old(*), ::view-transition-new(*) { animation: none !important; }
}

/* ============================================================
   RONDA 6 · tablet, el documento que cuadra, a11y
   ============================================================ */

/* 1.2 · footer 701-786px: la columna de identidad toma su fila */
@media (min-width: 701px) and (max-width: 786px) {
  .foot__main .foot__id { flex: 1 1 100%; max-width: none; }
  .foot__id p { max-width: 34ch; }
}

/* 1.3 · leadform 941-1060px: una columna para que respiren los placeholders */
@media (min-width: 941px) and (max-width: 1060px) {
  .leadform .form-grid { grid-template-columns: 1fr; }
}

/* 1.4 · numeración de partida en los campos requeridos (el anexo y el NIT opcional no se numeran) */
.leadform { counter-reset: lf; }
.leadform > .form-grid .field:has(:is(input, select):required) > span:first-child::before {
  counter-increment: lf;
  content: counter(lf, decimal-leading-zero) "  ";
  content: counter(lf, decimal-leading-zero) "  " / "";
  color: #101114;
}

/* 1.5 · la fila que cuadra el documento: total del diagnóstico */
.lf__total {
  display: flex; justify-content: space-between; align-items: baseline;
  gap: 12px; margin: 2px 0 0; padding-bottom: 9px;
  border-bottom: 1px solid #101114;
  box-shadow: 0 3px 0 -1px var(--accent);
}
.lf__total span { font-family: var(--mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #5b5f66; }
.lf__total strong { font-family: var(--mono); font-weight: 500; font-size: 15px; letter-spacing: .02em; color: #101114; }

/* 1.6 · mark invertido en el CTA final: negativo exacto del hero */
.final mark {
  background: var(--on-accent);
  background: linear-gradient(180deg, transparent .14em, var(--on-accent) .14em);
  color: var(--accent);
}

/* 1.7 · la checklist cierra con doble raya, dialecto tinta/tinta */
.assure::after {
  content: ""; display: block; height: 7px;
  border-top: 1px solid var(--on-accent);
  border-bottom: 1px solid var(--on-accent);
}

/* ============================================================
   RONDA 7 · el documento honesto: estados vacíos, jerarquía de
   sección, microinteracciones de tinta
   ============================================================ */

/* F4 · liquidador de mora: sin cálculo válido no hay cifras que fingir */
#moraGate:disabled { opacity: 1; background: transparent; color: var(--muted); border-color: var(--line-2); }
html[data-theme="dark"] #moraGate:disabled { background: var(--dark-2); color: var(--muted); border-color: var(--dark-line); }
/* la doble raya del total solo aparece cuando hay un total real */
.toolcard:has(#moraGate:disabled) .toolcard__result .r-item:last-child .r-v { border-bottom-color: transparent; box-shadow: 0 3px 0 -1px transparent; }
html[data-theme="dark"] .toolcard:has(#moraGate:disabled) .toolcard__result { opacity: .7; }
.gate-hint {
  margin: -8px 0 0;
  font-family: var(--mono); font-size: 11.5px; letter-spacing: .04em;
  color: var(--muted-2); text-align: center;
}
.toolcard:has(#moraGate:not(:disabled)) .gate-hint,
.toolcard:has(.toolgate.show) .gate-hint { display: none; }

/* F3 · el libro cierra en la banda amarilla: saldo final tras el formulario */
.final .sec__carry { color: color-mix(in srgb, var(--on-accent) 62%, transparent); }
.final .sec__carry::before { background: color-mix(in srgb, var(--on-accent) 25%, transparent); }

/* F7 · manifiesto: el +8 real como cifra fantasma con su doble raya
   (rima con el wordmark de .stella::after; fuera de la coreografía) */
.manifesto__inner { position: relative; }
.manifesto__ghost {
  position: absolute; right: 0; bottom: -.04em; z-index: 0;
  font: 500 clamp(7rem, 14vw, 13rem)/1 var(--head); letter-spacing: -.04em;
  color: transparent; -webkit-text-stroke: 1px rgba(255, 255, 255, .10);
  border-bottom: 1px solid rgba(255, 255, 255, .22);
  box-shadow: 0 3px 0 -1px var(--accent);
  font-variant-numeric: tabular-nums;
  pointer-events: none; user-select: none;
}
@media (max-width: 940px) { .manifesto__ghost { display: none; } }

/* F8 · numeración de partida también en las toolcards (solo requeridos;
   en PH el asiento continúa: cálculo 01–03, compuerta 04–05) */
.toolcard { counter-reset: lf; }
.toolcard .form-grid .field:has(:is(input, select):required) > span:first-child::before {
  counter-increment: lf;
  content: counter(lf, decimal-leading-zero) "  ";
  content: counter(lf, decimal-leading-zero) "  " / "";
  color: var(--ink);
}

/* C1 · tick de auditoría: cada partida validada recibe su visto bueno */
.field > span:first-child::after {
  content: " ✓"; content: " ✓" / "";
  font-family: var(--mono); color: transparent;
  display: inline-block; transform: translateY(2px) scale(.5);
  transition: transform .25s cubic-bezier(.2, 1.6, .3, 1), color .2s;
}
.field:has(:is(input, select, textarea)[required]:user-valid) > span:first-child::after {
  color: var(--accent-deep); transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .field > span:first-child::after { transition: color .2s; }
}

/* C3 · roll de etiqueta en los CTAs principales: la tinta gira, el marco no.
   El clip vive en .btn__t (no en .btn) para que el duplicado no asome por el padding. */
.btn__t { display: inline-block; position: relative; overflow: clip; }
.btn__t i { font-style: normal; display: inline-block; }
.btn__t i::after {
  content: attr(data-t); content: attr(data-t) / "";
  position: absolute; left: 0; top: 100%;
}
@media (prefers-reduced-motion: no-preference) {
  .btn__t i { transition: translate .35s cubic-bezier(.625, .05, 0, 1); }
  .btn:is(:hover, :focus-visible):not(:disabled) .btn__t i { translate: 0 -100%; }
}

/* C4 · /gracias/ como comprobante: sello RECIBIDO sobre el titular */
.page__stamp-anchor { position: relative; }
.sello {
  position: absolute; top: -10px; right: 0; rotate: -8deg;
  border: 2px solid var(--ink); border-radius: 50%; padding: 20px 16px;
  font: 500 11px/1.5 var(--mono); text-transform: uppercase; letter-spacing: .1em;
  text-align: center; color: var(--ink);
  mix-blend-mode: multiply;
  pointer-events: none; user-select: none;
}
html[data-theme="dark"] .sello { mix-blend-mode: screen; }
@media (prefers-reduced-motion: no-preference) {
  .sello { animation: estampar .4s cubic-bezier(.2, 1.4, .36, 1) .35s backwards; }
  @keyframes estampar { from { scale: 1.5; rotate: -16deg; } }
}

/* C4 · los pasos cierran con la doble raya del total que cuadra */
.page .rows .row:last-child { border-bottom: 0; }
.page .rows::after {
  content: ""; display: block; height: 7px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
}

/* F2 · el índice fantasma vive en el pseudo-elemento: texto puramente
   decorativo (duplica el overline), fuera del árbol de accesibilidad */
.secnum::before { content: attr(data-n); }

/* ============================================================
   RONDA 8 · borrar el ruido, levantar la pared de clientes
   ============================================================ */

/* R8 · La pared de clientes (solo empresas) */
.wall { padding: clamp(56px, 8vw, 96px) 0; border-top: 1px solid var(--line); }
.wall__h { font-family: var(--head); font-weight: 500; letter-spacing: -.02em;
  font-size: clamp(1.375rem, 1rem + 1.6vw, 2rem); line-height: 1.25; max-width: 22ch;
  margin: 14px 0 clamp(36px, 5vw, 56px); text-wrap: balance; }
.wall__grid { list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(6, 1fr); align-items: center;
  gap: clamp(28px, 3.2vw, 48px) clamp(24px, 3vw, 52px); }
.wall__grid li { display: flex; align-items: center; justify-content: center; }
.wall__grid img { width: auto; opacity: .72; transition: opacity .15s var(--ease); }
.wall__grid li:hover img { opacity: 1; }
.wall__grid .c-avaya      { height: 22px; }
.wall__grid .c-amc        { height: 30px; }
.wall__grid .c-111        { height: 24px; }
.wall__grid .c-canica     { height: 20px; }
.wall__grid .c-monteverde { height: 22px; }
.wall__grid .c-another    { height: 14px; }
.wall__grid .c-estetika   { height: 16px; }
.wall__grid .c-zebra      { height: 30px; }
.wall__grid .c-julius     { height: 40px; }
.wall__grid .c-polynex    { height: 42px; }
.wall__grid .c-seacret    { height: 14px; }
.wall__grid .c-solinter   { height: 28px; }
html[data-theme="dark"] .wall__grid img { filter: brightness(0) invert(1); opacity: .78; }
html[data-theme="dark"] .wall__grid li:hover img { opacity: 1; }

/* móvil: pared de 3 columnas */
@media (max-width: 720px) {
  .wall__grid { grid-template-columns: repeat(3, 1fr); gap: 32px 20px; }
}
@media (max-width: 400px) {
  .wall__grid { grid-template-columns: repeat(2, 1fr); }
}

/* R8 · materia: fibra de papel en las placas (no en el documento) */
.manifesto, .stella, .foot { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .05 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); }
.final { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .04 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E"); }

/* RONDA 8 · voz de entrada para los estados que aparecen por interruptor */
@media (prefers-reduced-motion: no-preference) {
  @keyframes inkIn { from { opacity: 0; transform: translateY(8px); } }
  .toolgate.show,
  .tool-ok.show { animation: inkIn .35s var(--ease) both; }
  .nit-dv.show { animation: inkIn .25s var(--ease) both; }
  .wa-float { animation: inkIn .3s var(--ease) .6s backwards; }
  body.mcta-off .wa-float { animation: none; }
}

/* ────────────────────────────── vida: microinteracciones (ronda 11) ────────────────────────────── */

/* marcador de lectura: el avance del libro, en el borde del nav. Va 1:1 con el
   scroll del lector (no es movimiento autónomo, por eso no se apaga con
   reduced-motion); sin soporte de scroll-driven animations no hay barra. */
@supports (animation-timeline: scroll()) {
  .nav::after {
    content: ""; position: absolute; left: 0; right: 0; bottom: -1px; height: 2px;
    background: var(--accent); transform-origin: 0 0; transform: scaleX(0);
    pointer-events: none;
    animation: navLeido linear both;
    animation-timeline: scroll(root);
  }
  @keyframes navLeido { from { transform: scaleX(0); } to { transform: scaleX(1); } }
}

/* botón magnético: lp11.js escribe --bx/--by mientras el cursor recorre el botón
   (--bx y no --mx: los CTAs del hero heredarían el --mx del spotlight) */
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .btn {
    transform: translate(var(--bx, 0px), var(--by, 0px));
    transition: background .15s var(--ease), color .15s var(--ease), border-color .15s var(--ease), transform .18s var(--ease);
  }
  .btn:active:not(:disabled) { transform: translate(var(--bx, 0px), calc(var(--by, 0px) + 1px)); }
}

/* el campo activo: la etiqueta desliza y el número de la partida se enciende,
   como la línea activa del libro (transform: no hay reflow; el leadform es
   tarjeta clara fija, por eso #101114 y no var(--ink)).
   OJO: los dos pseudo-elementos de la etiqueta están OCUPADOS — el ::before es
   la numeración de partida (1.4) y el ::after es el tick de auditoría (C1) —,
   aquí solo se recolorea el ::before, sin tocar content/position/transform.
   El segundo span del campo NIT es el .nit-dv y no debe deslizarse. */
.field:focus-within > span:first-child { transform: translateX(15px); color: #101114; }
.toolcard .field:focus-within > span:first-child { color: var(--ink); }
/* misma estructura que la regla de numeración + :focus-within para ganarle el color */
.leadform > .form-grid .field:has(:is(input, select):required):focus-within > span:first-child::before,
.toolcard .form-grid .field:has(:is(input, select):required):focus-within > span:first-child::before {
  color: var(--accent-deep);
}
@media (prefers-reduced-motion: no-preference) {
  .field > span:first-child { transition: transform .2s var(--ease), color .15s var(--ease); }
  .field > span:first-child::before { transition: color .15s var(--ease); }
}

/* ────────────────────────────── detalle (ronda 12) ────────────────────────────── */

/* el asiento asentado ya existe: es el tick de auditoría C1 (✓ al quedar
   :user-valid). No añadir marcas nuevas sobre los pseudo-elementos de la
   etiqueta — ver la nota de la ronda 11 arriba. */

/* en tema oscuro --accent-deep se vuelve amarillo brillante, pero el leadform
   es tarjeta clara fija: ahí el tick y la numeración encendida conservan el
   dorado del tema claro (misma lógica que el rojo user-invalid de la línea
   equivalente del toolcard) */
html[data-theme="dark"] .leadform .field:has(:is(input, select, textarea)[required]:user-valid) > span:first-child::after,
html[data-theme="dark"] .leadform > .form-grid .field:has(:is(input, select):required):focus-within > span:first-child::before {
  color: #7a6500;
}

/* el textarea crece con lo que escribes (mejora progresiva; sin soporte queda
   el resize vertical de siempre) */
@supports (field-sizing: content) {
  .field textarea { field-sizing: content; max-height: 320px; }
}

/* impresión: los administradores y consejos imprimen para la asamblea. Solo el
   documento: sin cromo de navegación, sin flotantes, sin sombras ni fondos,
   y siempre en la paleta clara aunque el lector navegue en oscuro. */
@media print {
  .nav, .wa-float, .mcta, .theme-toggle, .lang-toggle, .secrail, .skip-link { display: none !important; }
  html[data-theme="dark"] {
    color-scheme: light;
    --paper: #ffffff; --paper-2: #f4f4f6; --card: #ffffff;
    --ink: #101114; --ink-soft: #2a2d33; --muted: #5b5f66; --muted-2: #6c7077;
    --line: #e9e9ec; --line-2: #d7d7dc; --ghost: var(--line-2);
    --accent-deep: #7a6500; --accent-wash: #fdf6c9;
    --dark: #131619; --dark-2: #1c2025; --dark-line: #2c3137;
  }
  * { box-shadow: none !important; text-shadow: none !important; }
  body { background: #fff; color: #101114; }
  a { color: inherit; }
  .qa { break-inside: avoid; }
  /* el reveal por scroll no aplica en papel: todo visible, sin transformaciones
     (transition: none para que el estado sea inmediato, no un fotograma a medias) */
  html.js [data-reveal], html.js [data-reveal] *, .hero [data-rise] {
    opacity: 1 !important; transform: none !important;
    animation: none !important; transition: none !important;
  }
}