/* Anvil Child — Thematic section (§) with variants */
.acm-thematic { padding: 0 40px; }
.acm-th-y { padding: 100px 0; }

/* Backgrounds */
.acm-th-bg-light { background: #fff; color: var(--p3); }
.acm-th-bg-paper { background: var(--paper); color: var(--p3); }   /* #f6f4ef cálido */
.acm-th-bg-tint  { background: var(--tint); color: var(--p3); }    /* #dce6ec azul claro (§05) */
.acm-th-bg-deep  { background: var(--p2); color: #fff; }
.acm-th-bg-black { background: var(--black); color: #fff; }   /* negro puro (p.ej. DS §06 accordion) */
.acm-th-variant-data_hero  { background: var(--black); color: #fff; }   /* §04 negro puro */
.acm-th-variant-heat_map   { background: var(--p3-deeper); color: #fff; }
.acm-th-variant-fault_hero { background: var(--black); color: #fff; }   /* §06 negro puro */

/* Imagen de fondo + overlay de gradiente oscuro (paridad Vercel) en secciones oscuras.
   El template añade .acm-th-has-bgimage y la variable --th-bg-img (URL) al <section>.
   El gradiente sobre el fondo sólido mantiene el contraste del texto blanco. */
.acm-th-has-bgimage {
  position: relative;
  background-image:
    linear-gradient(180deg, rgba(3, 25, 42, 0.88) 0%, rgba(3, 25, 42, 0.74) 50%, rgba(3, 25, 42, 0.86) 100%),
    var(--th-bg-img, url('../../../img/th-bg-default.jpg'));
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: no-repeat;
}
/* El contenido por encima del fondo. */
.acm-th-has-bgimage > .acm-th-y { position: relative; z-index: 1; }

/* Color de títulos = hereda el color de la sección (navy en claro, blanco en oscuro),
   ganando a las reglas h1/h2/h3 {color:#3a3a3a} del tema padre. */
.acm-th-h2,
.acm-th-acc-title,
.acm-th-split-item h3,
.acm-th-hero-item h3 { color: inherit; }
/* Refuerzo explícito en fondos oscuros (deep + variantes hero). */
.acm-th-bg-deep, .acm-th-bg-black, .acm-th-variant-data_hero, .acm-th-variant-heat_map, .acm-th-variant-fault_hero { color: #fff; }
.acm-th-bg-deep .acm-th-lede, .acm-th-bg-black .acm-th-lede, .acm-th-variant-data_hero .acm-th-lede,
.acm-th-variant-heat_map .acm-th-lede, .acm-th-variant-fault_hero .acm-th-lede { color: rgba(255,255,255,0.88); }

/* Fondo oscuro NO-_hero (deep #084066 / black #000): títulos en BLANCO (ganan a la
   herencia y a h2/h3 del padre). Mismo "dark background → white text" de las _hero. */
.acm-th-bg-deep .acm-th-h2, .acm-th-bg-black .acm-th-h2,
.acm-th-bg-deep .acm-th-acc-title, .acm-th-bg-black .acm-th-acc-title,
.acm-th-bg-deep .acm-th-split-item h3, .acm-th-bg-black .acm-th-split-item h3,
.acm-th-bg-deep .acm-th-hero-item h3, .acm-th-bg-black .acm-th-hero-item h3 { color: #fff !important; }
/* Eyebrow: chip dorado garantizado (navy sobre dorado) — visible en cualquier fondo. */
.acm-th-bg-deep .acm-th-eyebrow, .acm-th-bg-black .acm-th-eyebrow { background: var(--s1) !important; color: var(--p3) !important; }
.acm-th-bg-deep .acm-th-card-num, .acm-th-bg-black .acm-th-card-num,
.acm-th-bg-deep .acm-th-num, .acm-th-bg-black .acm-th-num { color: var(--s1) !important; }

/* Head */
.acm-th-head { max-width: 860px; margin-bottom: 50px; }
.acm-th-eyebrow { display: inline-block; background: var(--s1); color: var(--p3); font-family: var(--f-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; padding: 7px 12px; margin-bottom: 14px; }
.acm-th-h2 { font-family: var(--f-display); font-weight: 800; font-size: clamp(32px, 4vw, 56px); line-height: 1.05; letter-spacing: -0.02em; margin: 0; color: inherit; }
.acm-th-lede { font-family: var(--f-body); font-size: 16px; line-height: 1.6; margin: 18px 0 0; opacity: 0.9; }

/* Card grid = capability cards: SIEMPRE blancas (también sobre fondo deep/black),
   con ícono en cuadrito azul claro, título navy y descripción gris (prototipo §02). */
.acm-th-grid { display: grid; gap: 18px; }
.acm-th-card { position: relative; padding: 32px 26px 28px; border: 1px solid var(--rule); background: #fff; color: var(--p3); overflow: hidden; min-height: 200px; transition: border-color 240ms ease, transform 240ms ease; }
/* Capability cards compactas (paridad con Vercel .capability-card-compact): altura
   automática al contenido + padding 28px 26px. La grid de 3 col (gap 18px) NO cambia.
   :not(.has-img) preserva las card con imagen (min-height 320px). */
.acm-th-grid--capability .acm-th-card:not(.has-img) { min-height: auto; padding: 28px 26px; }
.acm-th-card:hover { border-color: var(--p1); transform: translateY(-2px); }
.acm-th-card-icon { width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: var(--tint); color: var(--p2); margin-bottom: 22px; }
.acm-th-card-icon svg { display: block; }
.acm-th-card-num { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.12em; color: var(--s1); display: block; margin-bottom: 12px; }
.acm-th-card-title { font-family: var(--f-display); font-weight: 700; font-size: 17px; line-height: 1.3; letter-spacing: -0.005em; color: var(--p3); margin: 0 0 10px; }
.acm-th-card-desc { font-family: var(--f-body); font-size: 14px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
/* Tarjeta con imagen de fondo (overlay + texto blanco) — variante opcional. */
.acm-th-card.has-img { color: #fff; border: none; min-height: 320px; display: flex; flex-direction: column; justify-content: flex-end; background: var(--p3); }
.acm-th-card.has-img::before { content: ""; position: absolute; inset: 0; background-image: var(--card-img); background-size: cover; background-position: center; }
.acm-th-card.has-img::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,40,64,0.10), rgba(5,40,64,0.88)); }
.acm-th-card.has-img > * { position: relative; z-index: 1; }
.acm-th-card.has-img .acm-th-card-title { color: #fff; }
.acm-th-card.has-img .acm-th-card-desc { color: rgba(255,255,255,0.82); }

/* card_style = badge (UM §02 Midstream): tarjeta OSCURA + badge circular dorado.
   El cuadrito azul claro pasa a círculo dorado; texto en blanco/gris claro. */
.acm-th-grid--badge .acm-th-card { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.16); color: #fff; }
.acm-th-grid--badge .acm-th-card:hover { border-color: var(--p1); }
.acm-th-grid--badge .acm-th-card-icon { background: var(--s1); color: var(--p2); border-radius: 50%; }
.acm-th-grid--badge .acm-th-card-title { color: #fff; }
.acm-th-grid--badge .acm-th-card-desc { color: rgba(255,255,255,0.78); }
/* §02 Turnaround (paridad Vercel): numeral grande ámbar arriba + regla horizontal a su
   derecha + palabra como eyebrow debajo + borde inferior naranja en la tarjeta.
   SCOPE: card_style=badge (UM §02) Y las tarjetas capability de §02 Downstream
   (acm-th-bg-deep + capability). Discriminador SEGURO = .acm-th-card-numword, que solo
   existe cuando number_label trae palabra tras "·" (p.ej. "01 · PLAN"). Así §04/§05 de
   Downstream y §05 de Mission Critical (capability con "§NN"/iconos, sin esa palabra) NO
   heredan el numeral grande ni el borde naranja. */
.acm-th-grid--badge .acm-th-card,
.acm-th-bg-deep .acm-th-grid--capability .acm-th-card:has(.acm-th-card-numword) {
  border-bottom: 3px solid var(--s1);
}
.acm-th-grid--badge .acm-th-card-num,
.acm-th-bg-deep .acm-th-grid--capability .acm-th-card:has(.acm-th-card-numword) .acm-th-card-num {
  display: grid; grid-template-columns: auto 1fr; align-items: center;
  column-gap: 14px; row-gap: 10px; margin-bottom: 16px;
}
.acm-th-grid--badge .acm-th-card-numeral,
.acm-th-bg-deep .acm-th-grid--capability .acm-th-card:has(.acm-th-card-numword) .acm-th-card-numeral {
  grid-row: 1; grid-column: 1;
  font-family: var(--f-display); font-weight: 800; font-size: 42px; line-height: 1;
  letter-spacing: -0.02em; color: var(--s1);
}
.acm-th-grid--badge .acm-th-card-num::after, /* regla a la derecha del numeral */
.acm-th-bg-deep .acm-th-grid--capability .acm-th-card:has(.acm-th-card-numword) .acm-th-card-num::after {
  content: ""; grid-row: 1; grid-column: 2; height: 2px; background: rgba(232,175,79,0.45);
}
/* Palabra eyebrow: blanca en tarjetas badge (oscuras)… */
.acm-th-grid--badge .acm-th-card-numword {
  grid-row: 2; grid-column: 1 / -1;
  font-family: var(--f-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: rgba(255,255,255,0.7);
}
/* …y oscura (gris ink) en las tarjetas capability BLANCAS de §02 Downstream, donde el
   blanco sería invisible. Se fija directamente para ganar a la herencia ámbar de
   `.acm-th-bg-deep .acm-th-card-num`. */
.acm-th-bg-deep .acm-th-grid--capability .acm-th-card:has(.acm-th-card-numword) .acm-th-card-numword {
  grid-row: 2; grid-column: 1 / -1;
  font-family: var(--f-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-soft);
}

/* Fault hero (§06) — 2 columnas sobre imagen de fondo con overlay; subgrupos
   con subtítulo dorado y bullet-list con viñeta dorada. */
.acm-th-variant-fault_hero .acm-th-eyebrow { margin-bottom: 56px; }
.acm-th-fault-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 72px; align-items: start; }
.acm-th-fault-left .acm-th-h2 { color: #fff; margin: 0; }
.acm-th-fault-right .acm-th-lede { color: rgba(255,255,255,0.86); margin: 0; }
.acm-th-subgroup-title {
  font-family: var(--f-display); font-weight: 700; font-size: 18px;
  letter-spacing: 0.04em; text-transform: uppercase; color: var(--s1);
  margin: 36px 0 6px;
}
.acm-th-bullet-list { list-style: none; padding: 0; margin: 14px 0 0; display: grid; gap: 14px; }
.acm-th-bullet-list li {
  position: relative; padding-left: 28px;
  font-family: var(--f-body); font-size: 16px; line-height: 1.6;
  color: rgba(255,255,255,0.86);
}
.acm-th-bullet-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--s1); }
@media (max-width: 860px) { .acm-th-fault-grid { grid-template-columns: 1fr; gap: 32px; } .acm-th-variant-fault_hero .acm-th-eyebrow { margin-bottom: 28px; } }

/* Quote grid (§06 Reliability): bloque navy con comilla dorada, pull-quote (2ª parte
   dorada), atribución y 2 listas de viñetas doradas + CTA. */
.acm-th-variant-quote_grid .mod-quote { background: var(--p2); color: #fff; padding: 88px 56px 56px; position: relative; overflow: hidden; margin-top: 40px; }
.acm-th-variant-quote_grid .mod-quote::before { content: "\201C"; position: absolute; top: -56px; left: 28px; font-family: var(--f-display); font-weight: 800; font-size: 260px; line-height: 1; color: var(--s1); pointer-events: none; }
.acm-th-variant-quote_grid .mod-quote-text { position: relative; z-index: 2; font-family: var(--f-display); font-weight: 700; font-size: clamp(26px, 3vw, 40px); line-height: 1.2; letter-spacing: -0.02em; max-width: 1000px; margin: 0; color: #fff; text-align: left; }
.acm-th-variant-quote_grid .mod-quote-text em { font-style: normal; color: var(--s1); }
.acm-th-variant-quote_grid .mod-quote-attr { position: relative; z-index: 2; margin-top: 32px; font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--s1); }
.acm-th-variant-quote_grid .mod-quote-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; margin-top: 56px; position: relative; z-index: 2; }
.acm-th-variant-quote_grid .mod-quote-grid h4 { font-family: var(--f-display); font-weight: 700; font-size: 13px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--s1); margin: 0 0 14px; }
.acm-th-variant-quote_grid .mod-quote-grid ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.acm-th-variant-quote_grid .mod-quote-grid li { position: relative; padding-left: 22px; font-family: var(--f-body); font-size: 14.5px; line-height: 1.55; color: rgba(255,255,255,0.86); }
.acm-th-variant-quote_grid .mod-quote-grid li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--s1); }
.acm-th-variant-quote_grid .mod-quote-link { display: inline-flex; align-items: center; gap: 8px; margin-top: 40px; padding-bottom: 4px; border-bottom: 2px solid var(--s1); color: #fff; text-decoration: none; font-family: var(--f-display); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; position: relative; z-index: 2; }
@media (max-width: 1024px) {
  .acm-th-variant-quote_grid .mod-quote { padding: 72px 32px 48px; }
  .acm-th-variant-quote_grid .mod-quote::before { font-size: 180px; top: -36px; left: 16px; }
  .acm-th-variant-quote_grid .mod-quote-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* Mosaic (§04 Terminals & Tankage): tile grande a la izquierda + 2×2 a la derecha,
   tiles navy (is-alt = azul más claro), borde-top dorado, label gold + título blanco. */
.acm-th-variant-mosaic .mod-mosaic { display: grid; grid-template-columns: 1.6fr 1fr 1fr; grid-template-rows: 240px 200px; gap: 14px; margin-top: 40px; }
/* background-color (NO el shorthand background) para no borrar el background-image
   inline de .has-bg; el lift translateY solo aplica a tarjetas sin imagen. */
.acm-th-variant-mosaic .mod-mosaic-tile { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; padding: 22px; color: #fff; background-color: var(--p2); border-top: 3px solid var(--s1); transition: transform 240ms ease, background-color 240ms ease; }
.acm-th-variant-mosaic .mod-mosaic-tile:not(.has-bg):hover { transform: translateY(-3px); background-color: var(--p3); }
.acm-th-variant-mosaic .mod-mosaic-tile.is-alt { background-color: var(--p1); }
.acm-th-variant-mosaic .mod-mosaic-tile.is-alt:not(.has-bg):hover { background-color: var(--p2); }
.acm-th-variant-mosaic .mod-mosaic-tile.is-large { grid-row: 1 / span 2; }
.acm-th-variant-mosaic .mod-mosaic-tile.has-bg { background-size: cover; background-position: center center; }
.acm-th-variant-mosaic .mod-mosaic-tile.has-bg::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(5,40,64,0.15) 0%, rgba(5,40,64,0.85) 100%); transition: background 240ms ease; }
/* Feedback hover en tarjetas con foto: solo se oscurece el overlay; la imagen no se mueve. */
.acm-th-variant-mosaic .mod-mosaic-tile.has-bg:hover::before { background: linear-gradient(180deg, rgba(5,40,64,0.35) 0%, rgba(5,40,64,0.92) 100%); }
.acm-th-variant-mosaic .mod-mosaic-tile.has-bg > * { position: relative; z-index: 1; }
.acm-th-variant-mosaic .mod-mosaic-label { font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.20em; text-transform: uppercase; color: var(--s1); margin-bottom: 8px; }
.acm-th-variant-mosaic .mod-mosaic-tile h3 { font-family: var(--f-display); font-weight: 700; font-size: 20px; line-height: 1.15; letter-spacing: -0.01em; color: #fff; margin: 0; }
.acm-th-variant-mosaic .mod-mosaic-tile.is-large h3 { font-size: 30px; }
@media (max-width: 1024px) {
  .acm-th-variant-mosaic .mod-mosaic { grid-template-columns: 1fr 1fr; grid-template-rows: none; grid-auto-rows: 180px; }
  .acm-th-variant-mosaic .mod-mosaic-tile.is-large { grid-row: auto; grid-column: 1 / span 2; }
}
@media (max-width: 720px) {
  .acm-th-variant-mosaic .mod-mosaic { grid-template-columns: 1fr; grid-auto-rows: 160px; }
  .acm-th-variant-mosaic .mod-mosaic-tile.is-large { grid-column: auto; }
}

/* Check grid (§03 Mechanical): 2 columnas, encabezado subrayado navy + checklist con
   tick cuadrado dorado, título bold + descripción, reglas finas entre filas. */
.acm-th-variant-check_grid .mod-check-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; margin-top: 40px; }
.acm-th-variant-check_grid .mod-check-col h3 { font-family: var(--f-display); font-weight: 700; font-size: 14px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--p2); margin: 0 0 20px; padding-bottom: 10px; border-bottom: 2px solid var(--p2); }
.acm-th-variant-check_grid .mod-check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.acm-th-variant-check_grid .mod-check-list li { display: grid; grid-template-columns: 22px 1fr; gap: 14px; align-items: flex-start; font-family: var(--f-body); font-size: 15px; line-height: 1.5; color: var(--ink-soft); padding-bottom: 12px; border-bottom: 1px solid var(--rule); }
.acm-th-variant-check_grid .mod-check-list li:last-child { border-bottom: none; padding-bottom: 0; }
.acm-th-variant-check_grid .mod-check-tick { width: 22px; height: 22px; flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; background: var(--s1); color: #fff; }
.acm-th-variant-check_grid .mod-check-tick svg { display: block; }
.acm-th-variant-check_grid .mod-check-list li strong { display: block; color: var(--p3); font-weight: 700; margin-bottom: 2px; }
@media (max-width: 720px) { .acm-th-variant-check_grid .mod-check-grid { grid-template-columns: 1fr; gap: 36px; } }

/* Grid track (§02 Midstream): grid de 4 tarjetas OSCURAS sobre fondo deep + badge
   circular dorado con icono, título/desc en texto claro, borde sutil. */
.acm-th-variant-grid_track .mod-grid-track { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px; }
.acm-th-variant-grid_track .mod-grid-card { background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.16); padding: 28px 22px; display: flex; flex-direction: column; gap: 16px; transition: background 240ms ease, border-color 240ms ease, transform 240ms ease; }
.acm-th-variant-grid_track .mod-grid-card:hover { border-color: var(--p1); transform: translateY(-2px); }
.acm-th-variant-grid_track .mod-grid-badge { width: 48px; height: 48px; background: var(--s1); color: var(--p3); display: inline-flex; align-items: center; justify-content: center; border-radius: 50%; }
.acm-th-variant-grid_track .mod-grid-badge svg { display: block; }
.acm-th-variant-grid_track .mod-grid-card h3 { font-family: var(--f-display); font-weight: 700; font-size: 16px; line-height: 1.3; letter-spacing: -0.005em; color: #fff; margin: 0; }
.acm-th-variant-grid_track .mod-grid-card p { font-family: var(--f-body); font-size: 13.5px; line-height: 1.55; color: rgba(255,255,255,0.78); margin: 0; }
@media (max-width: 1024px) { .acm-th-variant-grid_track .mod-grid-track { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px)  { .acm-th-variant-grid_track .mod-grid-track { grid-template-columns: 1fr; } }

/* Flow track (§01 Upstream): fila de 3 nodos (paper, borde-top dorado) con conector
   de flecha dorada entre tarjetas. Móvil: 1 columna SIN flechas. */
.acm-th-variant-flow_track .mod-flow-track { display: flex; align-items: stretch; margin-top: 40px; }
.acm-th-variant-flow_track .mod-flow-node {
  flex: 1 1 0; background: var(--paper); border: 1px solid var(--rule); border-top: 3px solid var(--s1);
  padding: 28px 24px 26px; position: relative; display: flex; flex-direction: column;
}
.acm-th-variant-flow_track .mod-flow-node + .mod-flow-node { margin-left: 44px; }
.acm-th-variant-flow_track .mod-flow-node + .mod-flow-node::before { content: ""; position: absolute; left: -44px; top: 50%; width: 44px; height: 1px; background: var(--rule); transform: translateY(-50%); }
.acm-th-variant-flow_track .mod-flow-node + .mod-flow-node::after { content: ""; position: absolute; left: -14px; top: 50%; width: 0; height: 0; border-top: 6px solid transparent; border-bottom: 6px solid transparent; border-left: 10px solid var(--s1); transform: translateY(-50%); }
.acm-th-variant-flow_track .mod-flow-step { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--s1); margin-bottom: 10px; }
.acm-th-variant-flow_track .mod-flow-node h3 { font-family: var(--f-display); font-weight: 700; font-size: 20px; line-height: 1.25; letter-spacing: -0.01em; color: var(--ink); margin: 0 0 10px; }
.acm-th-variant-flow_track .mod-flow-node p { font-family: var(--f-body); font-size: 14.5px; line-height: 1.55; color: var(--ink-soft); margin: 0; }
@media (max-width: 860px) {
  .acm-th-variant-flow_track .mod-flow-track { flex-direction: column; }
  .acm-th-variant-flow_track .mod-flow-node + .mod-flow-node { margin-left: 0; margin-top: 18px; }
  .acm-th-variant-flow_track .mod-flow-node + .mod-flow-node::before,
  .acm-th-variant-flow_track .mod-flow-node + .mod-flow-node::after { display: none; }
}

/* Pillar cards (navy + gold) — réplica de .pillar-* del prototipo (§01 New Builds) */
.acm-th-variant-pillar .pillar-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.acm-th-variant-pillar .pillar-card {
  position: relative; padding: 28px; min-height: 380px;
  background-color: var(--p3); border-top: 3px solid var(--s1); color: #fff;
  overflow: hidden; isolation: isolate;
  display: flex; flex-direction: column; justify-content: flex-end;
  transition: transform 240ms ease, box-shadow 240ms ease;
}
.acm-th-variant-pillar .pillar-card:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(3,25,42,0.35); }
.acm-th-variant-pillar .pillar-number {
  display: inline-block; align-self: flex-start;
  background: var(--s1); color: var(--p3);
  font-family: var(--f-mono); font-weight: 700; font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  padding: 7px 12px; margin: 0 0 16px;
}
.acm-th-variant-pillar .pillar-card h3 {
  font-family: var(--f-display); font-weight: 700; font-size: 22px;
  line-height: 1.25; letter-spacing: -0.01em; color: #fff; margin: 0 0 12px;
}
.acm-th-variant-pillar .pillar-card p {
  font-family: var(--f-body); font-size: 15px; line-height: 1.55;
  color: rgba(255,255,255,0.88); margin: 0;
}
@media (max-width: 1024px) { .acm-th-variant-pillar .pillar-grid { grid-template-columns: repeat(2, 1fr) !important; } }
@media (max-width: 720px)  { .acm-th-variant-pillar .pillar-grid { grid-template-columns: 1fr !important; gap: 16px; } }
/* Imagen de fondo OPCIONAL por pillar-card + overlay azul (gradiente: sólido abajo →
   transparente arriba). La card ya tiene position:relative, overflow:hidden e
   isolation:isolate, así que ::before con z-index:-1 queda sobre la imagen y bajo el
   texto. Sin imagen, la card mantiene su fondo azul sólido (var(--p3)). */
.acm-th-variant-pillar .pillar-card--has-image {
  background-image: var(--pillar-bg);
  background-size: cover;
  background-position: 50% 50%;
  background-repeat: no-repeat;
}
.acm-th-variant-pillar .pillar-card--has-image::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1; /* aprovecha isolation:isolate ya existente en .pillar-card */
  background: linear-gradient(
    to top,
    rgba(5, 40, 64, 1) 0%,   /* #052840 sólido en la base */
    rgba(5, 40, 64, 0) 100%  /* transparente arriba */
  );
}

/* Timeline = línea vertical con dots (paridad Vercel mod-timeline, §01 Refining
   Heritage): UNA columna; cada ítem con número/año como eyebrow + título + descripción,
   un dot ámbar sobre una línea conectora vertical. El número (.acm-th-step-num) y el
   bloque de contenido se apilan (el <article> pasa a display:block). */
.acm-th-timeline { display: block; position: relative; max-width: 760px; }
.acm-th-step {
  display: block; position: relative;
  padding: 0 0 40px 40px; margin-left: 7px;
  border-left: 2px solid var(--rule); background: none;
}
.acm-th-step:last-child { padding-bottom: 0; border-left-color: transparent; }
.acm-th-step::before { /* dot sobre la línea */
  content: ""; position: absolute; left: -9px; top: 2px;
  width: 16px; height: 16px; border-radius: 50%; background: var(--s1);
  box-shadow: 0 0 0 4px var(--paper);
}
.acm-th-step-num { /* año / número como eyebrow */
  display: block; font-family: var(--f-mono); font-weight: 700; font-size: 12px;
  letter-spacing: 0.14em; line-height: 1; color: var(--s1); margin: 0 0 8px;
}
.acm-th-step-title { font-family: var(--f-display); font-weight: 700; font-size: 20px; line-height: 1.25; letter-spacing: -0.01em; color: var(--p3); margin: 0 0 8px; }
.acm-th-step p { font-family: var(--f-body); font-size: 15px; line-height: 1.6; color: var(--ink-soft); margin: 0; }
@media (max-width: 720px) { .acm-th-step { padding-left: 32px; } }

/* Speed cards (Mission Critical §03 Delivery — paridad Vercel .speed-grid/.speed-card):
   grid 2×2; cada card con número grande GRIS a la izquierda, título bold + descripción a
   la derecha, y borde IZQUIERDO naranja. (Es el look que antes tenía la variante timeline;
   ahora vive en su propia variante para no chocar con el timeline de dots de §01 DS.) */
.acm-th-variant-speed_cards .acm-th-speed-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.acm-th-variant-speed_cards .acm-th-speed-card {
  display: grid; grid-template-columns: auto 1fr; gap: 24px; align-items: start;
  padding: 32px; background: #fff; border: 1px solid var(--rule); border-left: 3px solid var(--s1);
  transition: transform 240ms ease;
}
.acm-th-variant-speed_cards .acm-th-speed-card:hover { transform: translateY(-2px); }
.acm-th-variant-speed_cards .acm-th-speed-num { font-family: var(--f-display); font-weight: 800; font-size: 48px; line-height: 1; color: var(--p1-soft); letter-spacing: -0.02em; }
.acm-th-variant-speed_cards .acm-th-speed-title { font-family: var(--f-display); font-weight: 700; font-size: 20px; line-height: 1.25; letter-spacing: -0.01em; color: var(--p3); margin: 0 0 10px; }
.acm-th-variant-speed_cards .acm-th-speed-card p { font-family: var(--f-body); font-size: 15px; line-height: 1.6; color: var(--ink-soft); margin: 0; }
@media (max-width: 720px) { .acm-th-variant-speed_cards .acm-th-speed-grid { grid-template-columns: 1fr; } }

/* Split — por defecto: la LISTA de ítems va en grid de 2 columnas lado a lado (paridad
   Downstream §03: las 2 columnas ya no se apilan). Si hay imagen (.acm-th-split-figure)
   → 2 columnas [lista | figura] y la lista vuelve a 1 columna. */
.acm-th-split { display: grid; grid-template-columns: 1fr; gap: 48px; align-items: start; }
/* gap 0: las 2 columnas comparten el borde divisor central (paridad Vercel: la 2ª
   columna es "tarjeta" crema con borde izquierdo; la 1ª no). El padding 40px 36px de
   cada item crea el aire alrededor del divisor. */
.acm-th-split-items { display: grid; grid-template-columns: 1fr 1fr; gap: 0; align-items: stretch; }
.acm-th-split:has(.acm-th-split-figure) { grid-template-columns: 1fr 1fr; align-items: center; }
.acm-th-split:has(.acm-th-split-figure) .acm-th-split-items { grid-template-columns: 1fr; gap: 0; }
.acm-th-split-item { padding: 40px 36px; }
/* Solo la 2ª columna recibe fondo crema + borde izquierdo divisor (la 1ª queda limpia). */
.acm-th-split-item + .acm-th-split-item {
  background: var(--paper);
  border-left: 1px solid var(--rule);
}
.acm-th-split-item h3 { font-family: var(--f-display); font-weight: 700; font-size: 20px; margin: 0 0 6px; }
.acm-th-num { font-family: var(--f-mono); font-size: 11px; color: var(--s1); letter-spacing: 0.12em; }
/* Sub-ítems como viñetas: título en negrita + descripción debajo. */
.acm-th-split-list { list-style: none; padding: 0; margin: 12px 0 0; display: grid; gap: 16px; }
.acm-th-split-list li { position: relative; padding-left: 20px; font-family: var(--f-body); font-size: 15px; line-height: 1.55; color: var(--ink-soft); }
.acm-th-split-list li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--s1); }
/* Bullets de acento ámbar en la 2ª columna (igual que Vercel). */
.acm-th-split-item + .acm-th-split-item .acm-th-split-list li::before { background: var(--s1); }
.acm-th-split-list li strong { display: block; font-family: var(--f-display); color: var(--p3); font-weight: 700; font-size: 16px; margin-bottom: 3px; }
.acm-th-split-list li span { display: block; }
.acm-th-split-figure img { width: 100%; height: auto; display: block; }
.acm-th-split-figure figcaption, .acm-th-hero-figure figcaption { font-size: 11px; opacity: 0.7; margin-top: 10px; }

/* Hero variants (data/heat/fault) */
.acm-th-hero { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.acm-th-bullets { list-style: none; margin: 0 0 24px; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.acm-th-bullets li { position: relative; padding-left: 18px; font-family: var(--f-body); font-size: 15px; line-height: 1.5; }
.acm-th-bullets li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--s1); }
.acm-th-hero-item h3 { font-family: var(--f-display); font-weight: 700; font-size: 20px; margin: 18px 0 6px; }
.acm-th-hero-item p { font-family: var(--f-body); font-size: 14px; line-height: 1.55; opacity: 0.88; margin: 0; }
.acm-th-hero-figure img { width: 100%; height: auto; display: block; }

/* Accordion */
.acm-th-accordion { border-top: 1px solid var(--rule); }
.acm-th-variant-fault_hero .acm-th-accordion, .acm-th-bg-deep .acm-th-accordion, .acm-th-bg-black .acm-th-accordion { border-color: rgba(255,255,255,0.18); }
.acm-th-acc-item { border-bottom: 1px solid var(--rule); }
.acm-th-bg-deep .acm-th-acc-item, .acm-th-bg-black .acm-th-acc-item, .acm-th-variant-fault_hero .acm-th-acc-item { border-color: rgba(255,255,255,0.18); }
.acm-th-acc-head {
  width: 100%; display: flex; align-items: center; gap: 18px;
  padding: 24px 8px; background: none; border: none; cursor: pointer;
  text-align: left; color: inherit; font-family: var(--f-display);
}
.acm-th-acc-label { font-size: 11px; color: var(--s1); letter-spacing: 0.12em; min-width: 56px; }
.acm-th-acc-title { flex: 1; font-weight: 700; font-size: clamp(18px, 2vw, 24px); letter-spacing: -0.01em; }
.acm-th-acc-icon { font-size: 24px; font-weight: 300; line-height: 1; transition: transform 250ms ease; color: var(--s1); }
.acm-th-acc-item.is-open .acm-th-acc-icon { transform: rotate(45deg); }
.acm-th-acc-panel { padding: 0 8px 26px 74px; }
.acm-th-acc-panel[hidden] { display: none; }
.acm-th-acc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.acm-th-acc-list li { position: relative; padding-left: 18px; font-family: var(--f-body); font-size: 15px; line-height: 1.5; opacity: 0.9; }
.acm-th-acc-list li::before { content: ""; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--s1); }
.acm-th-acc-panel p { font-family: var(--f-body); font-size: 15px; line-height: 1.6; opacity: 0.9; margin: 0; }
@media (max-width: 600px) { .acm-th-acc-panel { padding-left: 8px; } }

/* Heat-map (chip wall) — §04 Process Units del prototipo */
.acm-th-hm-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-top: 32px; }
.acm-th-hm-chip {
  aspect-ratio: 1 / 1; background: var(--paper); border: 1px solid var(--rule);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 12px; text-align: center; color: var(--p3);
  transition: background 200ms ease, transform 200ms ease, border-color 200ms ease;
}
.acm-th-hm-chip:hover { background: var(--p1-tint); border-color: var(--p1); transform: translateY(-2px); }
.acm-th-hm-abbr { font-family: var(--f-display); font-weight: 800; font-size: 28px; letter-spacing: -0.02em; color: var(--p2); }
.acm-th-hm-name { font-family: var(--f-mono); font-size: 9.5px; letter-spacing: 0.10em; text-transform: uppercase; color: var(--ink-soft); text-align: center; margin-top: 6px; line-height: 1.25; }
.acm-th-hm-cta {
  margin-top: 44px; display: flex; flex-wrap: wrap; align-items: center; gap: 24px;
  padding: 28px 30px; background: var(--p3); color: #fff; border-top: 3px solid var(--s1);
}
.acm-th-hm-cta-text { flex: 1 1 280px; }
.acm-th-hm-cta-text strong { display: block; font-family: var(--f-display); font-weight: 700; font-size: 19px; letter-spacing: -0.01em; margin-bottom: 6px; color: #fff; }
.acm-th-hm-cta-text span { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--s1); }
.acm-th-hm-btn { display: inline-flex; align-items: center; gap: 10px; padding: 16px 22px; background: var(--s1); color: #fff; font-family: var(--f-display); font-weight: 700; font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase; text-decoration: none; box-shadow: 0 8px 24px rgba(232,175,79,0.25); }
@media (max-width: 1024px) { .acm-th-hm-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 720px)  { .acm-th-hm-grid { grid-template-columns: repeat(3, 1fr); } }

/* Inline link */
.acm-th-inline-link { margin-top: 26px; display: inline-flex; align-items: center; gap: 10px; font-family: var(--f-display); font-weight: 700; font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--p2); text-decoration: none; padding-bottom: 4px; border-bottom: 2px solid var(--p2); }
/* En secciones de fondo oscuro el inline-link va en blanco. */
.acm-th-bg-deep .acm-th-inline-link, .acm-th-bg-black .acm-th-inline-link { color: #fff; border-bottom-color: var(--s1); }

@media (max-width: 1023px) {
  .acm-th-grid { grid-template-columns: repeat(2, 1fr) !important; }
  .acm-th-split, .acm-th-split:has(.acm-th-split-figure), .acm-th-hero { grid-template-columns: 1fr; gap: 28px; }
  .acm-th-split-items, .acm-th-split:has(.acm-th-split-figure) .acm-th-split-items { grid-template-columns: 1fr; gap: 24px; }
}
@media (max-width: 600px) {
  .acm-th-grid { grid-template-columns: 1fr !important; }
  .acm-th-y { padding: 64px 0; }
}