/* ============================================================
   ANVIL · Division pages + Divisions index
   Rendered by divisions.js. Requires tokens + base + components.
   ============================================================ */

/* ---- Framed cover (continuity with hero/ecosystem) ---- */
.div-hero {
  position: relative;
  /* Portada anclada abajo, pero sin dejar ~40% negro arriba en el primer pintado
     (crítica 2026-07-05 · P2). 68vh→56vh sube el contenido conservando el recurso. */
  min-height: 56vh;
  display: flex;
  align-items: flex-end;
  padding: 0 64px 72px;
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}
/* ADS v2 · colores del sistema (roles + señal), diseño del hero conservado */
.div-hero .frame-mark { position: absolute; width: 18px; height: 18px; border-color: var(--register-mark); opacity: 1; z-index: 4; }
.div-hero .fm-tl { top: 28px; left: 28px;     border-top: 1px solid; border-left: 1px solid; }
.div-hero .fm-tr { top: 28px; right: 28px;    border-top: 1px solid; border-right: 1px solid; }
.div-hero .fm-bl { bottom: 28px; left: 28px;  border-bottom: 1px solid; border-left: 1px solid; }
.div-hero .fm-br { bottom: 28px; right: 28px; border-bottom: 1px solid; border-right: 1px solid; }
.div-hero__content { position: relative; z-index: 3; max-width: 1000px; }
.div-hero .dh-code {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.2em;
  text-transform: uppercase; color: var(--ink-lo); margin-bottom: 22px;
}
.div-hero .dh-code .dot { display: inline-block; width: 6px; height: 6px; background: var(--signal); margin-right: 8px; vertical-align: middle; }
.div-hero .dh-name {
  font-family: var(--font-sans); font-weight: 300;
  font-size: clamp(52px, 10vw, 150px); line-height: 0.9; letter-spacing: -0.045em; color: var(--ink-hi);
}
.div-hero .dh-claim {
  margin-top: 22px; font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--ink-lo);
}
.div-hero .dh-lede { margin-top: 26px; max-width: 560px; font-size: 17px; line-height: 1.55; color: var(--ink-mid); }

/* ---- Hero: giant ghost number (parallax) + masked name reveal ---- */
.dh-ghost {
  position: absolute; right: 1vw; top: 40%; transform: translateY(-50%);
  font-family: var(--font-sans); font-weight: 200;
  font-size: min(48vh, 42vw); line-height: 1; white-space: nowrap;
  color: transparent; -webkit-text-fill-color: transparent;
  /* Relleno halftone estilo cómic: puntos Ben-Day con filas alternadas (2ª capa
     desplazada media celda), recortados al glifo. SIN contorno (solo la trama).
     impeccable-disable gradient-text -- numeral fantasma decorativo (relleno de
     puntos, no texto legible); efecto pedido explícitamente y coherente con el
     punteado alternado del sistema (Gantt). */
  background-image:
    radial-gradient(var(--ink-lo) 0.7px, transparent 1.1px),
    radial-gradient(var(--ink-lo) 0.7px, transparent 1.1px);
  background-size: 4px 4px;
  background-position: 0 0, 2px 2px;
  -webkit-background-clip: text; background-clip: text;
  z-index: 1; pointer-events: none; user-select: none;
}
.dh-name .mask { display: block; overflow: hidden; padding-bottom: 0.08em; }
.dh-name .mask > span { display: block; transform: translateY(112%); animation: dhMaskUp 1000ms var(--ease-out) 140ms forwards; }
@keyframes dhMaskUp { to { transform: translateY(0); } }

/* ---- Positioning ---- */
.div-positioning p { font-size: 16px; line-height: 1.7; color: var(--cold-silver); margin-bottom: 18px; max-width: 620px; }
.div-positioning p strong { color: var(--platinum); font-weight: 400; }

/* ---- Disciplines as a pinned sequence ---- */
.disc-flow { position: relative; }
.disc-flow__grid { display: grid; grid-template-columns: 1fr 0.78fr; gap: 64px; align-items: start; }
.disc-flow__sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; }
.disc-stage { position: relative; width: 100%; min-height: 42vh; }
.disc-big {
  position: absolute; left: 0; top: 0; right: 0;
  display: flex; flex-direction: column; gap: 14px;
  opacity: 0; transform: translateY(18px); pointer-events: none;
  transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out);
}
.disc-big.lit { opacity: 1; transform: none; }
.disc-big .db-num { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.2em; color: var(--titanium-blue); }
.disc-big .db-name { font-size: clamp(40px, 6vw, 92px); font-weight: 300; letter-spacing: -0.04em; line-height: 0.95; color: var(--platinum); }
.disc-flow__steps { padding: 22vh 0; }
.disc-step {
  min-height: 58vh; display: flex; align-items: center; gap: 24px;
  border-top: 1px solid var(--hairline);
  opacity: 0.28; transition: opacity 500ms var(--ease-out);
}
.disc-step.is-active { opacity: 1; }
.disc-step .ds-num { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; color: var(--label-info); }
.disc-step .ds-name { font-size: 22px; letter-spacing: -0.015em; color: var(--cold-silver); }

@media (prefers-reduced-motion: reduce) {
  .dh-name .mask > span { animation: none; transform: none; }
}
@media (max-width: 1000px) {
  .dh-ghost { display: none; }
  .disc-flow__grid { grid-template-columns: 1fr; gap: 0; }
  .disc-flow__sticky { position: sticky; top: 60px; height: auto; padding: 22px 0 8px;
    background: linear-gradient(to bottom, var(--obsidian) 78%, transparent); z-index: 5; }
  .disc-stage { min-height: 110px; }
  .disc-big .db-name { font-size: clamp(34px, 11vw, 56px); }
  .disc-flow__steps { padding: 0; }
  .disc-step { min-height: 46vh; }
}

/* ---- Disciplines grid ---- */
.disc-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline);
}
.disc-cell {
  border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  padding: 28px 24px 36px; min-height: 150px;
  display: flex; flex-direction: column; justify-content: space-between;
}
.disc-cell .dc-num { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; color: var(--label-info); }
.disc-cell .dc-name { font-size: 18px; letter-spacing: -0.015em; color: var(--platinum); margin-top: 40px; }

/* ---- Alignment statement ---- */
.div-align { display: grid; grid-template-columns: 200px 1fr; gap: 48px; align-items: baseline; }
.div-align .da-pillar { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--titanium-blue); padding-top: 10px; }
.div-align .da-line { font-size: clamp(26px, 3.4vw, 44px); font-weight: 400; letter-spacing: -0.022em; line-height: 1.12; color: var(--platinum); max-width: 760px; }

/* ---- Within the ecosystem (cross-links) ---- */
.div-connects { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.connect-card {
  border: 1px solid var(--hairline); border-radius: 4px; padding: 24px;
  display: flex; flex-direction: column; gap: 10px; min-height: 130px;
  background: var(--carbon); color: var(--muted-chrome);
  transition: background 320ms var(--ease-out), border-color 320ms var(--ease-out), transform 320ms var(--ease-out);
}
.connect-card:hover { background: rgba(255,255,255,0.018); border-color: var(--steel-border); }
.connect-card .cc-code { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; color: var(--label-info); }
.connect-card .cc-name { font-size: 19px; letter-spacing: -0.015em; color: var(--platinum); }
.connect-card .cc-claim { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-chrome); margin-top: auto; }

/* ---- Prev / next division ---- */
.div-pager { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--hairline); }
.div-pager a {
  padding: 36px 32px; display: flex; flex-direction: column; gap: 8px;
  transition: background 320ms var(--ease-out);
}
.div-pager a:hover { background: rgba(255,255,255,0.018); }
.div-pager a.next { text-align: right; border-left: 1px solid var(--hairline); align-items: flex-end; }
.div-pager .dp-label { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--label-info); }
.div-pager .dp-name { font-size: 22px; letter-spacing: -0.02em; color: var(--platinum); }

/* ---- Divisions index grid ---- */
.divx-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--hairline); border-left: 1px solid var(--hairline);
}
.divx-cell {
  border-right: 1px solid var(--hairline); border-bottom: 1px solid var(--hairline);
  padding: 32px 28px 36px; min-height: 220px;
  display: flex; flex-direction: column; justify-content: space-between;
  color: var(--muted-chrome);
  transition: background 320ms var(--ease-out);
}
.divx-cell:hover { background: rgba(255,255,255,0.018); }
.divx-cell .dx-code { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.18em; color: var(--label-info); }
.divx-cell .dx-name { font-size: 24px; font-weight: 400; letter-spacing: -0.02em; color: var(--platinum); margin-top: 44px; }
.divx-cell .dx-claim { font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted-chrome); margin-top: 10px; }
.divx-cell.substrate { grid-column: 1 / -1; min-height: auto; flex-direction: row; align-items: center; gap: 24px; }
.divx-cell.substrate .dx-name { margin-top: 0; }

@media (max-width: 1000px) {
  .div-hero { padding: 0 32px 56px; }
  .disc-grid, .divx-grid { grid-template-columns: repeat(2, 1fr); }
  .div-connects { grid-template-columns: 1fr; }
  .div-align { grid-template-columns: 1fr; gap: 16px; }
  .divx-cell.substrate { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .div-hero { padding: 0 20px 40px; min-height: 50vh; }
  .disc-grid, .divx-grid { grid-template-columns: 1fr; }
  .div-pager { grid-template-columns: 1fr; }
  .div-pager a.next { text-align: left; align-items: flex-start; border-left: none; border-top: 1px solid var(--hairline); }
}

/* ---- Embed mode (inside the home expand-from-card overlay) ---- */
html.embed { background: var(--obsidian); }
html.embed #scroll-progress,
html.embed .div-pager { display: none; }
/* the pager is the natural end of the content; in embed the over-scroll-to-close
   takes its place, so add a little breathing room at the bottom instead */
html.embed .page { padding-bottom: 12vh; }