/* =========================================================
   CORRIENTES CAUDAL — Línea visual de la serie editorial
   Sobre los tokens lockeados de Caudal (caudal-tokens.css).
   Espíritu: The Economist — dato + color propietario + disciplina.
   ========================================================= */

/* ---------------------------------------------------------
   01 · ACENTO DE SERIE  (jade lockeado  ↔  azul Corrientes)
   El azul es acento PROPIO de la serie dentro de la familia
   Caudal — no reemplaza al jade primario de la marca: el
   wordmark, el dot y el chrome del sitio siguen en jade.
   --------------------------------------------------------- */
:root {
  /* Azul Corrientes — derivado en el carácter del jade:
     profundo, desaturado, institucional. Convive con el gold. */
  --blue-0:    #0A2A40;
  --blue-1:    #123D5C;
  --blue-2:    #1B5378;   /* primario de serie */
  --blue-3:    #2E7099;
  --blue-4:    #5A97BD;
  --blue-wash: rgba(27, 83, 120, 0.08);
  --blue-edge: rgba(27, 83, 120, 0.24);

  /* Acento de serie → resuelve a JADE por defecto */
  --series-0:    var(--jade-0);
  --series-1:    var(--jade-1);
  --series-2:    var(--jade-2);
  --series-3:    var(--jade-3);
  --series-4:    var(--jade-5);
  --series-wash: var(--jade-wash);
  --series-edge: var(--jade-edge);

  --read: 680px;     /* ancho de columna de lectura */
  --bleed: 920px;    /* ancho de figuras (chart / sello) */
}

html[data-accent="azul"] {
  --series-0:    var(--blue-0);
  --series-1:    var(--blue-1);
  --series-2:    var(--blue-2);
  --series-3:    var(--blue-3);
  --series-4:    var(--blue-4);
  --series-wash: var(--blue-wash);
  --series-edge: var(--blue-edge);
}

html[data-width="ancho"] { --read: 760px; --bleed: 980px; }

/* ---------------------------------------------------------
   02 · BASE de página
   --------------------------------------------------------- */
html, body { margin: 0; }
body {
  background-color: var(--bg-page);
  background-image: var(--chrome-grid-bg);
  background-size: 32px 32px;
  color: var(--fg-1);
  font-family: var(--font-sans);
}
/* grano fino fijo, característico del sitio */
body::before {
  content: "";
  position: fixed; inset: 0; z-index: 0; pointer-events: none;
  opacity: 0.035;
  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='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.page { position: relative; z-index: 1; }

::selection { background: var(--series-edge); color: var(--ink-0); }

/* ---------------------------------------------------------
   03 · NAV del sitio (chrome negro — getcaudal.com)
   El parent brand mantiene jade; la serie no toca el chrome.
   --------------------------------------------------------- */
.site-nav {
  position: sticky; top: 0; z-index: 100;
  background-color: var(--ink-0);
  background-image: var(--chrome-grid-dark);
  background-size: 32px 32px;
  border-bottom: 1px solid #000;
}
.site-nav .nav-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  gap: 24px; padding: 16px 32px;
}
.site-nav .wordmark { font-size: 22px; color: var(--on-dark-0); text-decoration: none; }
.site-nav .wordmark .r { color: var(--on-dark-2); }
.nav-links {
  display: flex; align-items: center; gap: 28px; list-style: none; margin: 0; padding: 0;
}
.nav-links a {
  font-family: var(--font-mono);
  font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--on-dark-1); text-decoration: none; white-space: nowrap;
  transition: color var(--dur-base) var(--ease-out);
}
.nav-links a:hover { color: var(--on-dark-0); }
.nav-links a.current { color: var(--gold-3); }
.nav-right { display: flex; align-items: center; gap: 18px; }
.nav-live {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--jade-5);
}
.nav-cta {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; font-weight: var(--w-medium);
  background: var(--gold-2); color: var(--ink-0);
  padding: 10px 16px; border-radius: var(--r-sharp); text-decoration: none;
  transition: background var(--dur-base) var(--ease-out);
}
.nav-cta:hover { background: var(--gold-3); }

/* ---------------------------------------------------------
   04 · CONTENEDOR de artículo  +  ancho de lectura
   --------------------------------------------------------- */
.article { max-width: var(--bleed); margin: 0 auto; padding: 0 32px 96px; }
.col { max-width: var(--read); margin-left: auto; margin-right: auto; }

/* ---------------------------------------------------------
   05 · MASTHEAD de serie — 3 variantes (data-header 1|2|3)
   Comparten título / dek / meta; cambia la franja de identidad.
   --------------------------------------------------------- */
.masthead { padding: 56px 0 8px; }

/* Strings de identidad reutilizados */
.mh-series-name { font-weight: var(--w-semibold); }

/* --- Las tres franjas de identidad: una visible por vez --- */
.mh-strip, .mh-folio, .mh-chrome { display: none; }
html[data-header="1"] .mh-strip  { display: flex; }
html[data-header="2"] .mh-folio  { display: block; }
html[data-header="3"] .mh-chrome { display: block; }

/* part-progress device (compartido) */
.part-prog { display: inline-flex; align-items: center; gap: 10px; }
.part-prog .segs { display: inline-flex; gap: 4px; }
.part-prog .seg {
  width: 22px; height: 3px; background: var(--paper-4); border-radius: 2px;
}
.part-prog .seg.on { background: var(--series-2); }
.part-prog .lbl {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--fg-3);
}

/* ---- Variante 1 · CINTA (mínima, Economist) ---- */
.mh-strip {
  align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 14px 0; border-top: 1px solid var(--ink-1); border-bottom: 1px solid var(--border-1);
  margin-bottom: 40px;
}
.mh-strip .left {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--series-2);
}
.mh-strip .left::before { content: "//"; color: var(--series-2); }
.mh-strip .left .sector { color: var(--fg-3); }
.mh-strip .left .sep { color: var(--paper-4); }

/* ---- Variante 2 · FOLIO (masthead de publicación) ---- */
.mh-folio {
  border: 1px solid var(--ink-1);
  margin-bottom: 40px;
}
.mh-folio .folio-top {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding: 18px 22px 16px;
}
.mh-folio .folio-logo {
  font-family: var(--font-display); font-weight: var(--w-bold);
  font-size: clamp(1.5rem, 3.2vw, 2.1rem); letter-spacing: -0.02em; color: var(--ink-0);
  line-height: 1;
}
.mh-folio .folio-logo em { font-style: italic; color: var(--series-2); }
.mh-folio .folio-r {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-3); white-space: nowrap;
}
.mh-folio .folio-meta {
  display: grid; grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--border-1);
}
.mh-folio .folio-cell {
  padding: 12px 22px; border-left: 1px solid var(--border-1);
}
.mh-folio .folio-cell:first-child { border-left: 0; }
.mh-folio .folio-cell .k {
  display: block; font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--fg-4); margin-bottom: 5px;
}
.mh-folio .folio-cell .v {
  font-family: var(--font-sans); font-size: 14px; font-weight: var(--w-medium); color: var(--fg-1);
}
.mh-folio .folio-cell .v em { font-style: italic; color: var(--series-2); }

/* ---- Variante 3 · SELLO / CHROME (papel financiero) ---- */
.mh-chrome {
  position: relative;
  background-color: var(--paper-0);
  background-image: var(--chrome-grid-bg);
  background-size: 32px 32px;
  border: 1px solid var(--border-2);
  padding: 30px 28px;
  margin-bottom: 40px;
}
.mh-chrome::before, .mh-chrome::after {
  content: ""; position: absolute; width: 13px; height: 13px;
  border: 1px solid var(--series-2); opacity: 0.8;
}
.mh-chrome::before { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.mh-chrome::after  { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }
.mh-chrome .chrome-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.mh-chrome .chrome-id { display: inline-flex; align-items: center; gap: 14px; }
.mh-chrome .monogram {
  width: 38px; height: 38px; flex-shrink: 0;
  border: 1px solid var(--series-edge); background: var(--series-wash);
  display: grid; place-items: center;
}
.mh-chrome .monogram svg { display: block; }
.mh-chrome .chrome-txt .nm {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--series-2); display: block;
}
.mh-chrome .chrome-txt .sc {
  font-family: var(--font-sans); font-size: 14px; color: var(--fg-2); margin-top: 3px; display: block;
}

/* ---------------------------------------------------------
   06 · TIPOGRAFÍA del post
   --------------------------------------------------------- */
.post-title {
  font-family: var(--font-display); font-weight: var(--w-bold);
  font-size: clamp(2.3rem, 5.4vw, 3.6rem); line-height: 1.04; letter-spacing: -0.026em;
  color: var(--ink-0); text-wrap: balance; margin: 0 0 22px;
}
.post-title em { font-style: italic; color: var(--series-2); }
.post-dek {
  font-family: var(--font-display); font-weight: var(--w-regular);
  font-size: clamp(1.18rem, 2.2vw, 1.5rem); line-height: 1.45; letter-spacing: -0.01em;
  color: var(--fg-2); max-width: none; margin: 0 0 30px; text-align: justify;
}
.post-dek em { font-style: italic; color: var(--series-2); }

.mh-meta {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding-top: 22px; border-top: 1px solid var(--border-1);
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--fg-3);
}
.mh-meta .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--paper-4); }
.mh-meta .by { color: var(--fg-2); }

/* Cuerpo */
.post-body { padding-top: 38px; }
.post-body > p {
  font-size: 1.135rem; line-height: 1.72; color: var(--ink-1);
  margin: 0 0 1.35em; max-width: 68ch; text-wrap: pretty;
}
.post-body > p em, .post-body li em { font-style: italic; color: var(--series-2); font-weight: var(--w-medium); }
.post-body strong { font-weight: var(--w-semibold); color: var(--ink-0); }
.post-body a { color: var(--series-2); text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }

/* Dropcap editorial sobrio */
.post-body > p.opening::first-letter {
  font-family: var(--font-display); font-weight: var(--w-bold);
  font-size: 3.5em; line-height: 0.82; float: left;
  padding: 6px 12px 0 0; color: var(--series-2);
}

/* H2 de sección — numeración editorial colgante */
.post-body { counter-reset: sec; }
.post-body h2 {
  counter-increment: sec;
  font-family: var(--font-display); font-weight: var(--w-bold);
  font-size: clamp(1.55rem, 3vw, 2rem); line-height: 1.12; letter-spacing: -0.02em;
  color: var(--ink-0); text-wrap: balance;
  margin: 2.2em 0 0.7em; position: relative; padding-top: 22px;
}
.post-body h2::before {
  content: counter(sec, decimal-leading-zero);
  position: absolute; top: 0; left: 0;
  font-family: var(--font-mono); font-size: 12px; font-weight: var(--w-medium);
  letter-spacing: 0.14em; color: var(--series-2);
}
.post-body h2::after {
  content: ""; position: absolute; top: 4px; left: 30px; right: 0; height: 1px;
  background: linear-gradient(90deg, var(--border-2), transparent);
}
.post-body h2 em { font-style: italic; color: var(--series-2); }

.post-body h3 {
  font-family: var(--font-display); font-weight: var(--w-semibold);
  font-size: 1.3rem; color: var(--ink-0); margin: 1.8em 0 0.5em;
}

/* Listas */
.post-body ul, .post-body ol { margin: 0 0 1.35em; padding: 0; list-style: none; max-width: 68ch; }
.post-body li {
  position: relative; padding-left: 26px; margin-bottom: 0.7em;
  font-size: 1.135rem; line-height: 1.66; color: var(--ink-1);
}
.post-body ul li::before {
  content: ""; position: absolute; left: 2px; top: 0.62em;
  width: 7px; height: 7px; border: 1px solid var(--series-2); transform: rotate(45deg);
}
.post-body ol { counter-reset: li; }
.post-body ol li { counter-increment: li; }
.post-body ol li::before {
  content: counter(li, decimal-leading-zero);
  position: absolute; left: 0; top: 0.1em;
  font-family: var(--font-mono); font-size: 0.78em; color: var(--series-2); letter-spacing: 0.06em;
}

/* ---------------------------------------------------------
   07 · BLOQUE DE GUION — "lo que usted dice"
   Tratamiento de voz: el parlamento del socio al prospecto.
   Distinto de la pull-quote editorial.
   --------------------------------------------------------- */
.guion {
  margin: 2em 0; padding: 24px 26px 24px 28px;
  background: var(--series-wash);
  border-left: 3px solid var(--series-2);
  position: relative;
}
.guion .guion-lbl {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--series-2); margin-bottom: 12px;
}
.guion .guion-lbl::before {
  content: ""; display: inline-block; width: 14px; height: 9px;
  border: 1px solid var(--series-2); border-bottom: 0;
  border-radius: 7px 7px 0 0; /* burbuja de voz, sin emoji */
}
.guion p {
  font-family: var(--font-display); font-size: 1.24rem; line-height: 1.5;
  color: var(--ink-0); font-style: italic; margin: 0; text-wrap: pretty;
}
.guion p + p { margin-top: 0.7em; }
.guion .who {
  margin-top: 14px; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--fg-3); font-style: normal;
}

/* ---------------------------------------------------------
   08 · PULL-QUOTE editorial (énfasis del autor)
   --------------------------------------------------------- */
.pullquote {
  margin: 1.8em 0; padding: 8px 0 8px 0;
  border-top: 1px solid var(--ink-1); border-bottom: 1px solid var(--border-1);
}
.pullquote p {
  font-family: var(--font-display); font-weight: var(--w-medium);
  font-size: clamp(1.5rem, 3.4vw, 2rem); line-height: 1.22; letter-spacing: -0.018em;
  color: var(--ink-0); margin: 18px 0; text-wrap: balance;
}
.pullquote p em { font-style: italic; color: var(--series-2); }

/* ---------------------------------------------------------
   09 · FIGURA · marco común para chart y sello
   --------------------------------------------------------- */
.figure {
  margin: 3em auto; max-width: var(--bleed);
}
.figure .fig-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  padding-bottom: 12px; margin-bottom: 0; flex-wrap: wrap;
}
.figure .fig-eyebrow {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--series-2);
  display: inline-flex; align-items: center; gap: 10px;
}
.figure .fig-eyebrow::before { content: "//"; }
.figure .fig-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; color: var(--fg-3); text-transform: uppercase; }
.figure .fig-caption {
  margin-top: 16px; font-family: var(--font-sans); font-size: 0.875rem; line-height: 1.55;
  color: var(--fg-3); max-width: 60ch;
}
.figure .fig-source {
  margin-top: 10px; font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.04em;
  color: var(--fg-4); text-transform: uppercase;
}

/* ---------------------------------------------------------
   10 · CHART "ESPEJO LOCAL · GLOBAL" — 3 tratamientos
   Datos fijos: EE.UU. ~2% orgánico real  ·  GT +12% nuevas 2024.
   Solo el viz activo se muestra (data-chart 1|2|3).
   --------------------------------------------------------- */
.espejo { border: 1px solid var(--border-1); background: var(--bg-hero); }
.espejo .viz { display: none; }
html[data-chart="1"] .espejo .viz-1 { display: block; }
html[data-chart="2"] .espejo .viz-2 { display: block; }
html[data-chart="3"] .espejo .viz-3 { display: block; }

/* nodos de datos compartidos */
.espejo .node-num {
  font-family: var(--font-display); font-weight: var(--w-bold);
  letter-spacing: -0.03em; line-height: 0.9; font-feature-settings: 'tnum' on, 'lnum' on;
}
.espejo .node-glob .node-num { color: var(--fg-3); }
.espejo .node-loc  .node-num { color: var(--gold-2); }
.espejo .node-k {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--fg-3);
}
.espejo .node-d { font-family: var(--font-sans); font-size: 13px; color: var(--fg-2); line-height: 1.4; }
.espejo .flag {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
}
.espejo .node-glob .flag { color: var(--fg-3); }
.espejo .node-loc  .flag { color: var(--series-2); }
.espejo .flag .pin { width: 7px; height: 7px; border: 1px solid currentColor; transform: rotate(45deg); }
.espejo .node-loc .flag .pin { background: var(--series-2); }

/* ---- Tratamiento 1 · BARRAS ESPEJO (eje central horizontal) ---- */
.viz-1 { padding: 36px 34px; }
.viz-1 .mirror { display: grid; gap: 18px; }
.viz-1 .m-row { display: grid; grid-template-columns: 1fr; gap: 8px; }
.viz-1 .m-track {
  display: grid; grid-template-columns: 1fr 2px 1fr; align-items: center; gap: 0;
}
.viz-1 .m-axis { width: 2px; height: 100%; min-height: 64px; background: var(--ink-1); justify-self: center; }
.viz-1 .m-bar { height: 46px; display: flex; align-items: center; position: relative; }
.viz-1 .m-bar.left { justify-content: flex-end; }
.viz-1 .m-bar .fill { height: 100%; }
.viz-1 .m-bar.left .fill { background: repeating-linear-gradient(45deg, var(--ink-3) 0 6px, var(--ink-2) 6px 8px); }
.viz-1 .m-bar.right .fill { background: var(--series-2); }
.viz-1 .m-end {
  position: absolute; top: 50%; transform: translateY(-50%);
  font-family: var(--font-display); font-weight: var(--w-bold); font-size: 2rem; letter-spacing: -0.03em;
}
.viz-1 .m-bar.left .m-end { right: calc(100% + 12px); color: var(--fg-3); }
.viz-1 .m-bar.right .m-end { left: calc(100% + 12px); color: var(--gold-2); }
.viz-1 .m-labels { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin-bottom: 6px; }
.viz-1 .m-labels .lab-l { text-align: right; padding-right: 18px; }
.viz-1 .m-labels .lab-r { text-align: left; padding-left: 18px; }
.viz-1 .m-labels .node-d { margin-top: 3px; }

/* ---- Tratamiento 2 · LA BRECHA (columnas verticales en grid) ---- */
.viz-2 {
  padding: 34px 34px 30px;
  background-image: var(--chrome-grid-bg); background-size: 32px 32px;
}
.viz-2 .cols { display: flex; align-items: flex-end; justify-content: center; gap: 64px; height: 300px;
  border-bottom: 2px solid var(--ink-1); position: relative; }
.viz-2 .gridline { position: absolute; left: 0; right: 0; border-top: 1px dashed var(--border-2); }
.viz-2 .gridline span { position: absolute; left: 0; top: -8px; font-family: var(--font-mono); font-size: 9px; color: var(--fg-4); }
.viz-2 .col { width: 92px; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; position: relative; z-index: 1; }
.viz-2 .col .bar { width: 100%; position: relative; }
.viz-2 .col.glob .bar { background: repeating-linear-gradient(45deg, var(--ink-3) 0 7px, var(--ink-2) 7px 9px); }
.viz-2 .col.loc  .bar { background: var(--series-2); }
.viz-2 .col .cap {
  position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%);
  font-family: var(--font-display); font-weight: var(--w-bold); font-size: 2.1rem; letter-spacing: -0.03em; white-space: nowrap;
}
.viz-2 .col.glob .cap { color: var(--fg-3); }
.viz-2 .col.loc  .cap { color: var(--gold-2); }
.viz-2 .bracket {
  position: absolute; right: -54px; top: 0; bottom: 0; width: 16px;
  border: 1px solid var(--series-edge); border-left: 0;
}
.viz-2 .bracket .x {
  position: absolute; left: 22px; top: 50%; transform: translateY(-50%);
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.08em; color: var(--series-2); white-space: nowrap;
}
.viz-2 .axis-labels { display: flex; justify-content: center; gap: 64px; margin-top: 14px; }
.viz-2 .axis-labels .al { width: 92px; text-align: center; }
.viz-2 .axis-labels .al .flag { justify-content: center; margin-bottom: 4px; }

/* ---- Tratamiento 3 · CONTRASTE ANOTADO (data-as-art) ---- */
.viz-3 {
  padding: 40px 34px; position: relative;
  background-color: var(--paper-0);
  background-image: var(--chrome-grid-bg); background-size: 32px 32px;
}
.viz-3 .ctr { display: grid; grid-template-columns: 1fr 1px 1fr; gap: 0; align-items: stretch; }
.viz-3 .divider { width: 1px; background: var(--ink-1); }
.viz-3 .side { padding: 6px 30px; }
.viz-3 .side.glob { text-align: right; }
.viz-3 .side .flag { margin-bottom: 16px; }
.viz-3 .side.glob .flag { justify-content: flex-end; }
.viz-3 .side .big { font-family: var(--font-display); font-weight: var(--w-bold); letter-spacing: -0.04em; line-height: 0.86; }
.viz-3 .side.glob .big { font-size: clamp(3rem, 8vw, 5rem); color: var(--ink-3); }
.viz-3 .side.loc  .big { font-size: clamp(4rem, 11vw, 7rem); color: var(--gold-2); }
.viz-3 .side .sub { margin-top: 12px; font-family: var(--font-sans); font-size: 13.5px; line-height: 1.5; color: var(--fg-2); max-width: 26ch; }
.viz-3 .side.glob .sub { margin-left: auto; }
.viz-3 .side .tick {
  margin-top: 14px; height: 6px; display: flex; gap: 3px;
}
.viz-3 .side .tick i { width: 7px; height: 100%; background: var(--series-2); opacity: 0.32; }
.viz-3 .side.glob .tick { justify-content: flex-end; }
.viz-3 .side.glob .tick i:nth-child(-n+1) { opacity: 0.9; }
.viz-3 .side.loc  .tick i:nth-child(-n+6) { opacity: 0.9; }
.viz-3 .ctr-tag {
  position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--fg-4);
  background: var(--paper-0); padding: 0 10px;
}

/* ---------------------------------------------------------
   11 · SELLO — lenguaje a mano (v2 · aprobado)
   Trazo negro grueso dibujado a mano + flujo azul, sobre
   campo de COLOR SÓLIDO. Lenguaje de ilustración Anthropic.
   Tres roles de color, CONSTANTES sin importar el acento:
     campo gold = constante (fondo sólido)
     azul       = flujo (la corriente, constante de la serie)
     negro      = la metáfora (ícono central, variable por pieza)
   Por pieza sólo cambia el grupo .sf-ink; el flujo no se toca.
   Requiere el filtro SVG #hand en el DOM (ver markup de página).
   --------------------------------------------------------- */
:root {
  --sello-field: #E8C56A;        /* campo sólido · gold Caudal (CONSTANTE) */
  --sello-flow:  var(--blue-2);  /* azul · flujo (CONSTANTE) */
  --sello-ink:   #14110C;        /* negro · metáfora (VARIABLE) */
  --sello-wflow: 21;             /* peso del flujo */
  --sello-wink:  40;             /* peso del ícono */
}
.sello { margin: 3em auto; max-width: var(--bleed); }
.sello[hidden] { display: none; }
html[data-sello="off"] .sello { display: none; }
.sello-frame {
  position: relative; width: 100%; aspect-ratio: 3 / 2;
  border: 1px solid var(--border-2); background: var(--sello-field); overflow: hidden;
}
.sello-art { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sello-art .sf-flow { stroke: var(--sello-flow); fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-width: var(--sello-wflow); }
.sello-art .sf-ink  { stroke: var(--sello-ink);  fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-width: var(--sello-wink); }
.sello .sello-meta {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  margin-top: 12px; flex-wrap: wrap;
}
.sello .sello-cap { font-family: var(--font-sans); font-size: 0.875rem; color: var(--fg-3); max-width: 56ch; }
.sello .sello-cap em { font-style: italic; color: var(--sello-flow); }
.sello .sello-spec { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-4); white-space: nowrap; }

/* ---------------------------------------------------------
   12 · APÉNDICE de fuentes
   --------------------------------------------------------- */
.sources {
  margin-top: 3.5em; padding-top: 26px; border-top: 1px solid var(--ink-1);
}
.sources .src-lbl {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--series-2); margin-bottom: 14px; display: inline-flex; gap: 9px;
}
.sources .src-lbl::before { content: "//"; }
.sources ol { counter-reset: src; list-style: none; margin: 0; padding: 0; }
.sources li {
  counter-increment: src; position: relative; padding-left: 30px; margin-bottom: 12px;
  font-family: var(--font-sans); font-size: 0.9rem; line-height: 1.55; color: var(--fg-3); max-width: 70ch;
}
.sources li::before {
  content: counter(src, decimal-leading-zero); position: absolute; left: 0; top: 0.15em;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--fg-4); letter-spacing: 0.06em;
}
.sources li em { font-style: italic; color: var(--fg-2); }

/* ---------------------------------------------------------
   13 · NOTA de continuación entre partes (sin CTA)
   --------------------------------------------------------- */
.continues {
  margin-top: 3em; padding: 26px 28px; border: 1px solid var(--border-1);
  background: var(--bg-raised);
  display: flex; gap: 20px; align-items: baseline; flex-wrap: wrap;
}
.continues .c-k {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--series-2); white-space: nowrap;
}
.continues .c-t { font-family: var(--font-display); font-size: 1.1rem; line-height: 1.4; color: var(--ink-1); flex: 1; min-width: 240px; }
.continues a.c-link {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-0); text-decoration: none; border-bottom: 1px solid var(--series-2); padding-bottom: 2px;
  transition: color var(--dur-base) var(--ease-out);
}
.continues a.c-link:hover { color: var(--series-2); }

/* ---------------------------------------------------------
   14 · FOOTER del sitio
   --------------------------------------------------------- */
.site-footer { background-color: var(--ink-0); background-image: var(--chrome-grid-dark); background-size: 32px 32px; color: var(--on-dark-1); margin-top: 0; border-top: 1px solid #000; }
.site-footer .ft-inner {
  max-width: 1200px; margin: 0 auto; padding: 48px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
.site-footer .wordmark { font-size: 18px; color: var(--on-dark-0); }
.site-footer .wordmark .r { color: var(--on-dark-2); }
.site-footer .ft-note { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.06em; color: var(--on-dark-2); text-transform: uppercase; }

/* ---------------------------------------------------------
   15 · MÓVIL  (mobile es prioridad — el lector abre el teléfono)
   --------------------------------------------------------- */
@media (max-width: 760px) {
  .site-nav .nav-inner { padding: 14px 18px; }
  .nav-links, .nav-live { display: none; }
  .article { padding: 0 18px 72px; }
  .masthead { padding: 36px 0 4px; }
  .mh-folio .folio-meta { grid-template-columns: 1fr; }
  .mh-folio .folio-cell { border-left: 0; border-top: 1px solid var(--border-1); }
  .mh-folio .folio-cell:first-child { border-top: 0; }
  .post-body > p, .post-body li { font-size: 1.06rem; }

  /* chart en móvil */
  .viz-1, .viz-2, .viz-3 { padding: 26px 18px; }
  .viz-2 .cols { gap: 40px; height: 240px; }
  .viz-2 .col { width: 68px; }
  .viz-2 .bracket { right: -34px; }
  .viz-2 .bracket .x { left: 18px; font-size: 11px; }
  .viz-2 .axis-labels { gap: 40px; }
  .viz-2 .axis-labels .al { width: 68px; }
  .viz-3 .ctr { grid-template-columns: 1fr; gap: 0; }
  .viz-3 .divider { width: 100%; height: 1px; }
  .viz-3 .side { padding: 22px 6px; }
  .viz-3 .side.glob { text-align: left; }
  .viz-3 .side.glob .flag, .viz-3 .side.glob .tick { justify-content: flex-start; }
  .viz-3 .side.glob .sub { margin-left: 0; }
  .viz-3 .ctr-tag { position: static; transform: none; display: inline-block; margin-top: 18px; padding: 0; }
  .site-footer .ft-inner { padding: 36px 18px; }
}

/* ---------------------------------------------------------
   16 · REVEAL sutil (respeta reduced-motion; base = visible)
   --------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .reveal { transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out); }
  .reveal.is-armed { opacity: 0; transform: translateY(24px); }
  .reveal.is-armed.in { opacity: 1; transform: none; }
}
@media print { .reveal { opacity: 1 !important; transform: none !important; } }

/* ---------------------------------------------------------
   17 · HEADER del sitio — RÉPLICA FIEL del home (index.html)
   Mismo wordmark/lockup + tagline "Inteligencia que fluye" +
   estructura + drawer móvil. Copiado tal cual del home; sólo
   los href apuntan a index.html (páginas de Corriente son
   standalone). El header de serie .site-nav queda obsoleto.
   --------------------------------------------------------- */
header.nav {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink-0);
  background-image: var(--chrome-grid-dark);
  background-size: 32px 32px;
  color: var(--on-dark-0);
  border-bottom: 1px solid #000;
}
header.nav .nav-inner {
  max-width: 1320px; margin: 0 auto;
  display: grid; grid-template-columns: auto auto 1fr auto auto auto;
  align-items: center; gap: 24px;
  padding: 14px 28px;
}
.nav .wordmark {
  display: inline-flex; align-items: baseline;
  font-family: var(--font-display); font-weight: var(--w-bold); font-style: normal;
  font-size: 22px; color: var(--on-dark-0);
  letter-spacing: -0.018em; line-height: 1; text-decoration: none;
}
.nav .wordmark .stack {
  display: inline-flex; flex-direction: column; align-items: flex-start;
  margin-left: 0.04em; align-self: stretch; justify-content: space-between;
  padding: 0.08em 0;
}
.nav .wordmark .dot {
  display: inline-block; width: 0.34em; height: 0.34em;
  border-radius: 50%; background: #10895C; flex-shrink: 0;
}
.nav .wordmark .r {
  font-family: var(--font-mono); font-size: 0.32em; color: var(--on-dark-2);
  font-weight: var(--w-medium); letter-spacing: 0; line-height: 1;
}
.nav .slogan {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: var(--w-medium);
  letter-spacing: 0.22em; text-transform: uppercase; color: var(--on-dark-2);
  padding-left: 18px; margin-left: 6px; border-left: 1px solid var(--border-dark);
  line-height: 1; align-self: center; white-space: nowrap;
}
.nav .slogan em { color: var(--jade-2); font-style: normal; font-weight: var(--w-semibold); margin-right: 0.4em; }
.nav .links {
  display: flex; gap: 26px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
}
.nav .links a { color: var(--on-dark-1); text-decoration: none; white-space: nowrap; transition: color var(--dur-fast); }
.nav .links a:hover, .nav .links a.on { color: var(--on-dark-0); }
.nav .links a.on::before { content: '● '; color: var(--gold-3); }
.nav .live-chip {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--jade-5);
  padding: 5px 11px; border: 1px solid rgba(91, 192, 155, 0.35); border-radius: var(--r-pill);
}
.nav .live-chip::before {
  content: ''; width: 6px; height: 6px; border-radius: 50%;
  background: var(--jade-5); animation: live-pulse 2s ease-in-out infinite;
}
.nav .cta {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--gold-2); color: var(--ink-0);
  font-family: var(--font-mono); font-size: 11px; font-weight: var(--w-semibold);
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 9px 16px; border-radius: var(--r-sharp);
  text-decoration: none; border: 1px solid var(--gold-2); transition: all var(--dur-fast);
}
.nav .cta:hover { background: var(--gold-3); border-color: var(--gold-3); }
.nav .cta::before { content: '$'; color: var(--ink-0); font-weight: 600; }
.nav .menu-toggle {
  display: none; background: transparent; border: 1px solid var(--border-dark);
  color: var(--on-dark-0); padding: 7px 11px; border-radius: var(--r-sharp);
  cursor: pointer; font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
}

/* Drawer móvil — idéntico al home */
.nav-drawer {
  position: fixed; inset: 0; z-index: 90;
  background: var(--ink-0); background-image: var(--chrome-grid-dark); background-size: 24px 24px;
  color: var(--on-dark-0); padding: 84px 28px 40px;
  transform: translateX(100%); transition: transform 0.32s var(--ease-out);
  display: flex; flex-direction: column; gap: 8px; overflow-y: auto;
}
.nav-drawer.open { transform: translateX(0); }
.nav-drawer .drawer-slogan {
  display: block; font-family: var(--font-mono); font-size: 10.5px; font-weight: var(--w-medium);
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--on-dark-2);
  padding: 4px 0 22px; margin-bottom: 12px; border-bottom: 1px solid var(--border-dark); line-height: 1.4;
}
.nav-drawer .drawer-slogan em { color: var(--jade-2); font-style: normal; font-weight: var(--w-semibold); margin-right: 0.5em; }
.nav-drawer .drawer-slogan::before { content: '//'; color: var(--gold-3); margin-right: 10px; }
.nav-drawer a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; border-bottom: 1px solid var(--border-dark);
  color: var(--on-dark-0); text-decoration: none;
  font-family: var(--font-display); font-size: 1.6rem; letter-spacing: -0.018em;
}
.nav-drawer a .nm { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--on-dark-2); text-transform: uppercase; }
.nav-drawer .cta-block {
  margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border-dark);
  display: flex; flex-direction: column; gap: 12px;
}
.nav-drawer .cta-block .cta {
  background: var(--gold-2); color: var(--ink-0); padding: 16px 20px; min-height: 52px;
  font-family: var(--font-mono); font-size: 12px; font-weight: var(--w-semibold);
  letter-spacing: 0.18em; text-transform: uppercase; border: none;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-drawer .meta {
  margin-top: auto; padding-top: 24px; font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.16em; color: var(--on-dark-2); text-transform: uppercase;
  display: flex; flex-direction: column; gap: 6px;
}
.nav-drawer .meta .pulse-mini { color: var(--jade-2); }
.drawer-close {
  position: absolute; top: 22px; right: 22px; background: transparent;
  border: 1px solid var(--border-dark); color: var(--on-dark-0);
  width: 44px; height: 44px; font-family: var(--font-mono); font-size: 14px;
  cursor: pointer; border-radius: 0;
}
.drawer-backdrop {
  position: fixed; inset: 0; z-index: 85; background: rgba(28, 24, 18, 0.6);
  opacity: 0; pointer-events: none; transition: opacity 0.3s var(--ease-out);
}
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }

@media (max-width: 880px) {
  header.nav .nav-inner { grid-template-columns: auto 1fr auto; padding: 14px 18px; gap: 12px; }
  .nav .links { display: none; }
  .nav .live-chip { display: none; }
  .nav .slogan { display: none; }
  .nav .cta { display: none; }
  .nav .menu-toggle {
    display: inline-flex; align-items: center; justify-content: center;
    background: transparent; border: 1px solid var(--border-dark); color: var(--on-dark-0);
    padding: 10px 14px; min-height: 40px; font-family: var(--font-mono); font-size: 11px;
    letter-spacing: 0.18em; text-transform: uppercase; font-weight: var(--w-medium);
    cursor: pointer; border-radius: 0; grid-column: 3; justify-self: end;
  }
  .nav .menu-toggle::after { content: '\2630'; margin-left: 8px; font-size: 14px; line-height: 1; }
  .nav .wordmark { font-size: 20px; }
}