/* ============================================================
   Oliver Raposo — Portfolio
   Concepto: cuaderno técnico / expediente de ingeniería.
   Regla: menos decoración, más significado. Toda línea, número
   o etiqueta existe porque contiene información.
   Tipografía autoalojada (variable, subset latin) — sin CDN.
   ============================================================ */

@font-face {
  font-family: "Bricolage Grotesque";
  src: url("assets/fonts/bricolage-grotesque-latin.woff2") format("woff2-variations");
  font-weight: 200 800; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Inter Tight";
  src: url("assets/fonts/inter-tight-latin.woff2") format("woff2-variations");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "JetBrains Mono";
  src: url("assets/fonts/jetbrains-mono-latin.woff2") format("woff2-variations");
  font-weight: 100 800; font-style: normal; font-display: swap;
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC,
    U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* papel y tinta */
  --paper: #f5f3ee;
  --paper-2: #ece8e0;
  --plate: #fffefb;
  --ink: #1b1a18;
  --ink-2: #464239;
  --ink-3: #6b6458;   /* AA sobre papel y sobre papel-2 */
  --rule: #d6d0c4;
  --rule-2: #bdb5a6;
  --figure: #8a8175;  /* cifras grandes: AA para texto grande */

  /* sección oscura (operación) */
  --navy: #141d29;
  --navy-2: #1c2734;
  --navy-ink: #eae7e0;
  --navy-ink-2: #a9a49a;
  --navy-rule: #2f3b49;

  /* acento único, uso contenido */
  --accent: #b04d19;
  --accent-dark: #8d3d12;
  --accent-on-dark: #dd8749;

  --sans: "Inter Tight", "Segoe UI", system-ui, sans-serif;
  --display: "Bricolage Grotesque", "Segoe UI", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  --page: 1180px;
  --gutter: clamp(20px, 4.5vw, 64px);
  --rail: 108px;
  --rail-gap: clamp(24px, 3.4vw, 52px);
  --ease: cubic-bezier(.22,.7,.2,1);
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  letter-spacing: -.004em;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }
::selection { background: var(--accent); color: #fffdf9; }

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

h1, h2, h3 { margin: 0; font-family: var(--display); font-weight: 700; letter-spacing: -.03em; line-height: 1.02; }

.skip-link {
  position: absolute; left: 16px; top: 12px; z-index: 90;
  padding: 10px 16px;
  background: var(--ink); color: var(--paper);
  font: 600 13px/1 var(--sans);
  transform: translateY(-200%);
}
.skip-link:focus-visible { transform: none; }

/* ---------- utilidades tipográficas ---------- */
.rail-label {
  margin: 0;
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .17em; text-transform: uppercase;
}
.lead { font-size: clamp(1.05rem, 1.35vw, 1.22rem); line-height: 1.6; color: var(--ink-2); }
.prose { color: var(--ink-2); max-width: 62ch; }
.prose p { margin: 0 0 1.05em; }
.prose p:last-child { margin-bottom: 0; }
.accent { color: var(--accent); }

.link {
  display: inline-block; padding: 5px 0;
  color: var(--accent);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.link:hover { color: var(--accent-dark); }

/* ---------- cabecera ---------- */
.masthead {
  position: sticky; top: 0; z-index: 20;
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
}
.masthead-inner {
  width: min(100% - (var(--gutter) * 2), var(--page));
  margin-inline: auto;
  padding: 14px 0;
  display: flex; flex-wrap: wrap; align-items: baseline;
  justify-content: space-between; gap: 8px 24px;
}

.signature { text-decoration: none; display: flex; align-items: baseline; flex-wrap: wrap; gap: 12px; }
.signature-name {
  font-family: var(--display); font-size: 17px; font-weight: 700; letter-spacing: -.025em;
}
.signature-role {
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10px; letter-spacing: .16em; text-transform: uppercase;
}

.index-nav { display: flex; flex-wrap: wrap; gap: 4px 2px; }
.index-nav a {
  display: inline-flex; align-items: baseline; gap: 7px;
  padding: 6px 10px;
  color: var(--ink-2);
  font-size: 14px; font-weight: 500; text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.index-nav a i {
  font-family: var(--mono); font-size: 10px; font-style: normal;
  color: var(--ink-3); letter-spacing: .06em;
}
.index-nav a:hover { color: var(--ink); border-bottom-color: var(--rule-2); }
.index-nav a.is-current { color: var(--ink); border-bottom-color: var(--accent); }
.index-nav a.is-current i { color: var(--accent); }

/* ---------- portada ---------- */
.cover {
  width: min(100% - (var(--gutter) * 2), var(--page));
  margin-inline: auto;
  padding: clamp(40px, 6vw, 80px) 0 clamp(36px, 4vw, 56px);
}

.folio {
  display: flex; justify-content: space-between; gap: 16px;
  margin: 0 0 clamp(30px, 4vw, 52px);
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .17em; text-transform: uppercase;
}

.cover-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 300px);
  column-gap: clamp(32px, 5vw, 76px);
  row-gap: clamp(30px, 4vw, 46px);
  align-items: start;
}

.cover-title {
  grid-column: 1; grid-row: 1;
  font-size: clamp(2.5rem, 5.6vw, 4.6rem);
  line-height: 1.0;
  max-width: 19ch;
  text-wrap: balance;
}
.marked { position: relative; display: inline; }
.mark-rule {
  position: absolute; left: 0; right: 0; bottom: -.1em;
  width: 100%; height: .16em; overflow: visible;
}
.mark-rule path {
  fill: none; stroke: var(--accent); stroke-width: 4.5; stroke-linecap: round;
  stroke-dasharray: 460; stroke-dashoffset: 460;
}
/* sin JavaScript el subrayado ya está dibujado */
html:not(.js) .mark-rule path,
.mark-rule.is-drawn path { stroke-dashoffset: 0; }
.mark-rule.is-drawn path { transition: stroke-dashoffset 1.15s .25s var(--ease); }

/* ficha de identidad — solo datos */
.filecard {
  grid-column: 2; grid-row: 1 / span 2;
  margin: 6px 0 0;
  border-top: 2px solid var(--ink);
}
.filecard > div {
  display: grid; grid-template-columns: 88px minmax(0, 1fr); gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--rule);
}
.filecard dt {
  color: var(--ink-3);
  font-family: var(--mono); font-size: 9.5px; font-weight: 500;
  letter-spacing: .15em; text-transform: uppercase; padding-top: 3px;
}
.filecard dd { margin: 0; font-size: 14.5px; font-weight: 500; }

.cover-lead { grid-column: 1; grid-row: 2; max-width: 56ch; }
.cover-lead .lead { margin: 0; }

.disciplines {
  grid-column: 1 / -1; grid-row: 3;
  margin: 0; padding: 0; list-style: none;
  display: grid; grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid var(--rule);
}
.disciplines li {
  padding: 16px 18px 0 0;
  border-right: 1px solid var(--rule);
  font-size: 14px; font-weight: 500; line-height: 1.4;
  color: var(--ink-2);
}
.disciplines li:last-child { border-right: 0; padding-right: 0; }
.disciplines li:last-child { color: var(--ink-3); }
.disciplines span {
  display: block; margin-bottom: 8px;
  color: var(--accent);
  font-family: var(--mono); font-size: 10px; font-weight: 600; letter-spacing: .1em;
}

/* índice de proyectos */
.toc { margin-top: clamp(44px, 6vw, 76px); }
.toc > .rail-label { padding-bottom: 10px; }
.toc ol { margin: 0; padding: 0; list-style: none; border-top: 2px solid var(--ink); }
.toc li { border-bottom: 1px solid var(--rule); }
.toc a {
  display: grid;
  grid-template-columns: 46px minmax(0, 190px) minmax(0, 1fr) 96px 24px;
  align-items: baseline; gap: 16px;
  padding: 18px 4px;
  text-decoration: none;
  transition: background .2s var(--ease), padding-left .2s var(--ease);
}
.toc a:hover { background: var(--paper-2); padding-left: 12px; }
.toc-num { color: var(--ink-3); font-family: var(--mono); font-size: 11px; letter-spacing: .08em; }
.toc-name { font-family: var(--display); font-size: clamp(1.15rem, 1.8vw, 1.45rem); font-weight: 700; letter-spacing: -.03em; }
.toc-desc { color: var(--ink-2); font-size: 14.5px; }
.toc-type {
  color: var(--ink-3);
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .14em; text-transform: uppercase;
  text-align: right;
}
.toc-go { color: var(--accent); font-size: 16px; text-align: right; transition: transform .2s var(--ease); }
.toc a:hover .toc-go { transform: translateX(4px); }

/* ---------- capítulos ---------- */
.chapter {
  width: min(100% - (var(--gutter) * 2), var(--page));
  margin-inline: auto;
  padding: clamp(60px, 8vw, 108px) 0 clamp(20px, 3vw, 36px);
  display: grid;
  grid-template-columns: var(--rail) minmax(0, 1fr);
  column-gap: var(--rail-gap);
  align-items: start;
  border-top: 1px solid var(--rule);
}
.chapter-end { padding-bottom: clamp(60px, 8vw, 104px); }
/* la tabla de la portada ya cierra con su propia línea */
.cover + .chapter { border-top: 0; }

/* nota de margen: número y nombre del capítulo, como en un documento */
.rail { padding-top: 4px; }
.rail-num {
  margin: 0 0 4px;
  color: var(--accent);
  font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: .12em;
}
.rail::after {
  content: ""; display: block; width: 28px; height: 1px; margin-top: 12px;
  background: var(--rule-2);
}

.chapter-body { min-width: 0; }
.chapter-title {
  font-size: clamp(1.95rem, 3.6vw, 3rem);
  margin-bottom: clamp(24px, 3vw, 36px);
  max-width: 24ch;
}
.chapter-title + .prose { margin-bottom: clamp(30px, 4vw, 48px); }

.dropnote {
  display: block; max-width: 46ch;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  color: var(--ink-2);
  font-size: 16px;
}

/* ---------- cadena operación → medición ---------- */
.chain { margin: clamp(40px, 5vw, 64px) 0 0; }
.chain ol {
  margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--rule);
}
.chain li {
  position: relative;
  display: grid; grid-template-columns: 56px minmax(0, 1fr);
  gap: 4px 20px;
  padding: 22px 0 24px 0;
  border-bottom: 1px solid var(--rule);
}
/* hilo vertical que une los pasos: la conexión, no un adorno */
.chain li::before {
  content: ""; position: absolute; left: 5px; top: 0; bottom: 0;
  width: 1px; background: var(--rule-2);
}
.chain li:first-child::before { top: 22px; }
.chain li:last-child::before { bottom: auto; height: 30px; }
.chain li > :not(.chain-step) { grid-column: 2; }
.chain-step {
  position: relative; z-index: 1;
  grid-column: 1; grid-row: 1;
  padding-left: 18px;
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10.5px; font-weight: 600; letter-spacing: .1em;
  line-height: 1.9;
}
.chain-step::before {
  content: ""; position: absolute; left: 1px; top: 8px;
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--paper); border: 1px solid var(--rule-2);
}
.chain li:first-child .chain-step::before,
.chain li:last-child .chain-step::before { background: var(--accent); border-color: var(--accent); }
.chain h3 { font-size: 21px; letter-spacing: -.025em; }
.chain p { margin: 6px 0 0; color: var(--ink-2); font-size: 15.5px; max-width: 56ch; }
.chain .aside {
  margin-top: 12px; padding-left: 14px;
  border-left: 1px solid var(--rule-2);
  color: var(--ink-3); font-size: 14px; line-height: 1.55;
}
.chain .aside span { color: var(--accent); margin-right: 4px; }
.chain figcaption {
  margin-top: 16px;
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10.5px; letter-spacing: .04em;
}

/* ---------- expedientes de proyecto ---------- */
/* van en la columna de contenido: el número de capítulo del margen
   sigue visible a su izquierda mientras se leen */
.case {
  grid-column: 2;
  margin: clamp(56px, 7vw, 96px) 0 0;
  padding-top: clamp(32px, 4vw, 48px);
  border-top: 2px solid var(--ink);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 400px);
  column-gap: clamp(32px, 4.5vw, 68px);
  align-items: start;
}
.case-head { grid-column: 1 / -1; margin-bottom: clamp(26px, 3vw, 38px); }
.case-ref {
  display: flex; flex-wrap: wrap; gap: 6px 14px; margin: 0 0 14px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent);
}
.case-ref em { font-style: normal; font-weight: 500; color: var(--ink-3); }
.case-name {
  font-size: clamp(2.3rem, 5vw, 3.9rem);
  letter-spacing: -.04em;
}
.case-claim {
  margin: 14px 0 0; max-width: 34ch;
  font-family: var(--display); font-size: clamp(1.1rem, 1.7vw, 1.4rem);
  font-weight: 500; line-height: 1.28; letter-spacing: -.025em;
  color: var(--ink-2);
}

/* lámina de figura: como una plancha pegada en un documento */
.plate {
  grid-column: 1; margin: 0;
  background: var(--plate);
  border: 1px solid var(--rule-2);
  padding: 10px 10px 0;
  position: relative;
}
.plate > img:first-child { width: 100%; height: auto; border: 1px solid var(--rule); }
.plate figcaption {
  padding: 10px 2px 11px;
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10px; letter-spacing: .04em; line-height: 1.55;
}
.plate figcaption span { color: var(--accent); margin-right: 8px; letter-spacing: .12em; }
.plate-mark {
  position: absolute; right: 20px; top: 20px;
  height: 26px; width: auto;
  opacity: .92;
}
.plate-mark-square { height: 34px; }
.plate-fenix > img:first-child { border-color: var(--rule); background: #fefefe; }

/* ficha de campos */
.dossier { grid-column: 2; margin: 0; border-top: 1px solid var(--rule); }
.field { padding: 15px 0; border-bottom: 1px solid var(--rule); }
.field dt {
  margin-bottom: 7px;
  color: var(--ink-3);
  font-family: var(--mono); font-size: 9.5px; font-weight: 600;
  letter-spacing: .16em; text-transform: uppercase;
}
.field dd { margin: 0; font-size: 15px; line-height: 1.58; color: var(--ink-2); }
.field-inline { display: grid; grid-template-columns: 78px minmax(0, 1fr); gap: 14px; align-items: start; }
.field-inline dt { margin: 3px 0 0; }

.stack { display: flex; flex-wrap: wrap; gap: 5px 6px; margin: 0; padding: 0; list-style: none; }
.stack li {
  padding: 3px 8px;
  border: 1px solid var(--rule-2);
  color: var(--ink-2);
  font-family: var(--mono); font-size: 9.5px; letter-spacing: .09em; text-transform: uppercase;
}

/* evidencia */
.evidence {
  grid-column: 1 / -1; margin: clamp(30px, 3.5vw, 44px) 0 0;
  border-top: 1px solid var(--rule);
  padding-top: 12px;
}
.evidence > .rail-label { padding-bottom: 16px; }
.evidence dl {
  margin: 0;
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 clamp(20px, 3vw, 44px);
}
.evidence dl > div { padding-right: 8px; }
.evidence dt {
  font-family: var(--display); font-size: clamp(1.25rem, 2vw, 1.7rem);
  font-weight: 700; letter-spacing: -.035em; line-height: 1;
  margin-bottom: 8px;
}
.evidence dd { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.5; max-width: 30ch; }

.case-note {
  grid-column: 1 / -1; margin: clamp(24px, 3vw, 34px) 0 0;
  padding-top: 14px; border-top: 1px solid var(--rule);
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase;
}

/* --- FENIX: tratamiento operativo, panel oscuro insertado en el documento.
       Aquí el texto operativo manda: la ficha va primero, la lámina después. --- */
.case-fenix {
  padding: clamp(32px, 4.5vw, 60px) clamp(24px, 3.5vw, 52px) clamp(32px, 4.5vw, 56px);
  background: var(--navy);
  border-top: 0;
  color: var(--navy-ink);
  grid-template-columns: minmax(0, 1fr) minmax(0, 330px);
}
.case-fenix .dossier { grid-column: 1; grid-row: 2; }
.case-fenix .plate { grid-column: 2; grid-row: 2; }
.case-fenix .field dd { max-width: 62ch; }
.case-fenix .field-inline { grid-template-columns: 92px minmax(0, 1fr); }
.case-fenix .case-ref { color: var(--accent-on-dark); }
.case-fenix .case-ref em,
.case-fenix .field dt,
.case-fenix .rail-label,
.case-fenix .plate figcaption,
.case-fenix .case-note { color: var(--navy-ink-2); }
.case-fenix .case-claim,
.case-fenix .field dd,
.case-fenix .evidence dd,
.case-fenix .flow p { color: #cfcbc3; }
.case-fenix .dossier,
.case-fenix .field,
.case-fenix .evidence,
.case-fenix .case-note { border-color: var(--navy-rule); }
.case-fenix .stack li { border-color: var(--navy-rule); color: var(--navy-ink-2); }
.case-fenix .plate { background: var(--navy-2); border-color: var(--navy-rule); }
.case-fenix .plate > img:first-child { border-color: var(--navy-rule); }
.case-fenix .plate figcaption span { color: var(--accent-on-dark); }
.case-fenix .evidence dt { color: var(--navy-ink); }

/* diagrama de recorrido de una incidencia */
.flow { grid-column: 1 / -1; margin: clamp(30px, 3.5vw, 42px) 0 0; }
.flow ol {
  display: flex; flex-wrap: wrap; align-items: stretch;
  margin: 0; padding: 0; list-style: none;
  border-top: 1px solid var(--navy-rule);
  border-bottom: 1px solid var(--navy-rule);
}
.flow li {
  position: relative;
  flex: 1 1 132px;
  padding: 16px 18px 16px 0;
  color: var(--navy-ink);
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  letter-spacing: .13em; text-transform: uppercase;
}
.flow li::before {
  content: ""; display: block; width: 7px; height: 7px; margin-bottom: 12px;
  border: 1px solid var(--accent-on-dark);
}
.flow li:not(:last-child)::after {
  content: ""; position: absolute; left: 7px; right: 18px; top: 19px;
  height: 1px; background: var(--navy-rule);
}
.flow-branch {
  margin: 16px 0 0; padding-left: 14px;
  border-left: 1px solid var(--navy-rule);
  font-size: 14px; line-height: 1.55;
}
.flow-branch span { color: var(--accent-on-dark); margin-right: 6px; }
.flow figcaption {
  margin-top: 14px;
  color: var(--navy-ink-2);
  font-family: var(--mono); font-size: 10px; letter-spacing: .04em;
}

/* --- NEURAL ARENA: única licencia de personalidad --- */
/* eje A/B: el producto compara dos modelos, la línea lo dice */
.versus {
  grid-column: 1 / -1;
  display: flex; align-items: center; gap: 16px;
  margin: clamp(26px, 3vw, 36px) 0 calc(clamp(30px, 3.5vw, 44px) * -1 + 8px);
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10.5px; font-weight: 600;
  letter-spacing: .2em; text-transform: uppercase;
}
.versus i { flex: 1; height: 1px; background: var(--rule-2); }
.versus span:first-child { color: #2c5f86; }
.versus span:last-child { color: #94336a; }

/* ---------- método ---------- */
.method { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--rule); }
.method li {
  display: grid; grid-template-columns: 96px minmax(0, 1fr);
  gap: 6px clamp(20px, 3vw, 40px);
  padding: clamp(24px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--rule);
  transition: background .25s var(--ease);
}
.method li:hover { background: var(--paper-2); }
.method-num {
  grid-row: 1 / span 2; margin: 0;
  color: var(--figure);
  font-family: var(--display); font-size: clamp(2rem, 3.4vw, 2.9rem);
  font-weight: 700; letter-spacing: -.05em; line-height: .9;
  transition: color .25s var(--ease);
}
.method li:hover .method-num { color: var(--accent); }
.method h3 { font-size: clamp(1.35rem, 2.2vw, 1.75rem); letter-spacing: -.03em; }
.method li > p:last-child { margin: 8px 0 0; color: var(--ink-2); font-size: 16px; max-width: 54ch; }

/* ---------- llamada final ---------- */
.cta {
  display: inline-flex; align-items: baseline; gap: 12px;
  margin-top: 4px; padding: 14px 22px;
  background: var(--ink); color: var(--paper);
  font-size: 15px; font-weight: 600; text-decoration: none;
  transition: background .22s var(--ease);
}
.cta:hover { background: var(--accent); }
.chapter-end .prose { margin-bottom: 30px; }

/* ---------- colofón ---------- */
.colophon { border-top: 1px solid var(--rule); background: var(--paper-2); }
.colophon-inner {
  width: min(100% - (var(--gutter) * 2), var(--page));
  margin-inline: auto;
  padding: 28px 0 34px;
  display: grid; grid-template-columns: 1fr auto auto; align-items: end; gap: 16px 32px;
}
.colophon p { margin: 0; }
.colophon strong { display: block; font-size: 15px; font-weight: 650; letter-spacing: -.01em; }
.colophon span { display: block; }
.colophon-inner > p > span,
.colophon-meta span {
  color: var(--ink-3);
  font-family: var(--mono); font-size: 10px; letter-spacing: .14em; text-transform: uppercase;
  margin-top: 5px;
}
.colophon-meta { text-align: right; }
.colophon a {
  color: var(--ink-2); font-size: 13.5px; text-decoration: none;
  border-bottom: 1px solid var(--rule-2); padding-bottom: 2px;
}
.colophon a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- reveal (solo con JS; sin JS todo visible) ---------- */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

/* ============================================================
   RESPONSIVE — cada tramo con su propia composición
   ============================================================ */

/* ultrawide: la página no se estira, gana margen */
@media (min-width: 1600px) {
  :root { --page: 1320px; --rail: 132px; }
  body { font-size: 17.5px; }
}

/* portátil pequeño / tablet horizontal */
@media (max-width: 1080px) {
  :root { --rail: 84px; }
  .cover-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 262px); }
  .toc a { grid-template-columns: 40px minmax(0, 160px) minmax(0, 1fr) 88px 20px; gap: 12px; }
  .case { grid-template-columns: minmax(0, 1fr) minmax(0, 340px); }
}

/* tablet vertical: la ficha pasa debajo del titular, figura a ancho completo */
@media (max-width: 900px) {
  html { scroll-padding-top: 24px; }

  .masthead { position: static; }
  .masthead-inner { flex-direction: column; align-items: stretch; gap: 12px; padding: 12px 0; }
  .index-nav { border-top: 1px solid var(--rule); padding-top: 6px; margin: 0 -10px; }
  .index-nav a { padding: 8px 10px; font-size: 13.5px; }

  .cover-grid { grid-template-columns: minmax(0, 1fr); row-gap: 28px; }
  .cover-title { grid-column: 1; grid-row: 1; max-width: 22ch; }
  .cover-lead { grid-row: 2; }
  .filecard { grid-column: 1; grid-row: 3; }
  .disciplines { grid-row: 4; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .disciplines li { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--rule); }
  .disciplines li:nth-child(2n) { border-right: 0; padding-right: 0; }
  .disciplines li:last-child { border-bottom: 0; }

  .toc a { grid-template-columns: 34px minmax(0, 1fr) 20px; row-gap: 4px; }
  .toc-desc { grid-column: 2; }
  .toc-type { grid-column: 2; text-align: left; }
  .toc-go { grid-row: 1; grid-column: 3; }

  .chapter {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 20px;
  }
  .rail {
    position: static;
    display: flex; align-items: baseline; gap: 12px;
    padding-bottom: 10px; border-bottom: 1px solid var(--rule);
  }
  .rail::after { display: none; }

  .case, .case-fenix { grid-column: 1; grid-template-columns: minmax(0, 1fr); row-gap: 30px; }
  .plate, .dossier { grid-column: 1; }
  /* en columna única la lámina de FENIX vuelve a ir primero */
  .case-fenix .plate { grid-column: 1; grid-row: 2; }
  .case-fenix .dossier { grid-column: 1; grid-row: 3; }
  .evidence dl { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 24px; }

  .method li { grid-template-columns: 62px minmax(0, 1fr); }

  .colophon-inner { grid-template-columns: 1fr; }
  .colophon-meta { text-align: left; }
}

/* móvil: composición propia, no una pila del desktop */
@media (max-width: 620px) {
  :root { --gutter: 20px; }
  body { font-size: 16.5px; line-height: 1.6; }

  .signature { gap: 0; flex-direction: column; }
  .signature-role { margin-top: 2px; }
  .index-nav { overflow-x: auto; flex-wrap: nowrap; scrollbar-width: none; }
  .index-nav::-webkit-scrollbar { display: none; }
  .index-nav a { white-space: nowrap; min-height: 44px; align-items: center; }

  .cover { padding-top: 28px; }
  .folio { font-size: 9.5px; letter-spacing: .14em; }
  .cover-title { font-size: clamp(2.15rem, 10.5vw, 2.9rem); max-width: none; }
  .mark-rule path { stroke-width: 5.5; }

  .filecard > div { grid-template-columns: 76px minmax(0, 1fr); gap: 10px; }
  .filecard dd { font-size: 14px; }

  .disciplines { grid-template-columns: minmax(0, 1fr); }
  .disciplines li { padding: 12px 0; border-right: 0; }
  .disciplines li span { display: inline-block; margin: 0 10px 0 0; }

  .toc a { padding: 15px 2px; min-height: 44px; }
  .toc a:hover { padding-left: 2px; }
  .toc-name { font-size: 1.15rem; }

  .chapter { padding-top: 48px; }
  .chapter-title { font-size: clamp(1.7rem, 7.6vw, 2.1rem); max-width: none; }

  .chain li { grid-template-columns: minmax(0, 1fr); gap: 0; padding-left: 26px; }
  .chain li::before { left: 5px; }
  .chain-step { grid-row: auto; padding-left: 0; margin-bottom: 4px; }
  .chain-step::before { left: -25px; top: 5px; }
  .chain h3 { font-size: 19px; }

  .case-name { font-size: clamp(2rem, 11vw, 2.7rem); }
  .case-fenix { padding-inline: var(--gutter); }
  .plate { padding: 7px 7px 0; }
  .plate-mark { right: 14px; top: 14px; height: 20px; }
  .plate-mark-square { height: 26px; }

  .evidence dl { grid-template-columns: minmax(0, 1fr); row-gap: 0; }
  .evidence dl > div { padding: 14px 0; border-bottom: 1px solid var(--rule); }
  .evidence dl > div:last-child { border-bottom: 0; }
  .case-fenix .evidence dl > div { border-color: var(--navy-rule); }
  .evidence dt { font-size: 1.3rem; margin-bottom: 4px; }

  .flow li { flex: 1 1 100%; padding: 12px 0 12px 0; }
  .flow li::before { display: inline-block; margin: 0 12px 0 0; vertical-align: middle; }
  /* la conexión se vuelve vertical: sigue siendo un recorrido */
  .flow li:not(:last-child)::after {
    left: 3px; right: auto; top: 26px; bottom: -4px;
    width: 1px; height: auto;
  }

  .method li { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .method-num { grid-row: auto; font-size: 1.5rem; margin-bottom: 6px; }

  .cta { width: 100%; justify-content: space-between; min-height: 52px; align-items: center; }
}

/* ---------- respeto por la preferencia de movimiento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation: none !important;
    transition-duration: .01ms !important;
  }
  .js .reveal { opacity: 1; transform: none; }
  .mark-rule path { stroke-dashoffset: 0; }
}

/* ---------- impresión: es un documento ---------- */
@media print {
  :root { --paper: #fff; --ink: #000; }
  .masthead, .toc-go, .cta { display: none; }
  .case-fenix { background: #fff; color: #000; }
  .case-fenix .field dd, .case-fenix .case-claim { color: #222; }
  .plate { border-color: #999; }
  a { text-decoration: none; }
}