/* ============================================================
   Verdict · web corporativa (páginas en castellano)
   Se carga DESPUÉS de styles.css, que queda congelado porque lo
   usan tal cual las páginas inglesas. Aquí van las correcciones
   y los componentes nuevos; los tokens son los de styles.css.
   ============================================================ */

/* ---------- Superficies del navegador ---------- */
html { scrollbar-color: var(--line-strong) var(--surface); caret-color: var(--primary); }
:focus-visible { outline: 3px solid var(--upside); outline-offset: 3px; }
.prose a, .inline-link {
  color: var(--primary); text-decoration: underline;
  text-decoration-thickness: 1px; text-underline-offset: 3px;
}
.prose a:hover, .inline-link:hover { text-decoration-thickness: 2px; }
.muted { color: var(--ink-muted); }
.num, .simv { font-variant-numeric: tabular-nums; }

/* ---------- Navegación ----------
   Fuera el cristal esmerilado: la barra es papel opaco. Con cinco enlaces
   y el descriptor largo, la barra se pliega antes (1100 px) que en la
   landing (720 px). */
.nav { backdrop-filter: none; -webkit-backdrop-filter: none; background: var(--bg); }
.nav-links { gap: 0.1rem; }
.nav-links a { padding-inline: 0.6rem; white-space: nowrap; font-size: 0.92rem; }
.nav-cta .btn { white-space: nowrap; }
.nav-inner { gap: 1rem; }
.nav .lang-switch { margin-left: 0.2rem; padding-left: 0.45rem; }
.nav-links a[aria-current="page"] { color: var(--ink); background: var(--surface-2); }
.nav .logo-sub {
  font-family: var(--font-body); text-transform: none; letter-spacing: 0;
  font-size: 0.68rem; font-weight: 500; color: var(--ink-muted); margin-top: 4px;
}
.footer .logo-sub { font-family: var(--font-body); text-transform: none; letter-spacing: 0; font-size: 0.75rem; }
@media (max-width: 1240px) { .nav .logo-sub { display: none; } }
@media (max-width: 1100px) {
  .nav-links { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav[data-open="true"] .nav-links {
    display: flex; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--bg); border-bottom: 1px solid var(--line);
    padding: 0.5rem var(--gutter) 1rem;
    box-shadow: 0 24px 40px -30px oklch(0.20 0.03 160 / .45);
  }
  .nav[data-open="true"] .nav-links a { padding: 0.85rem 0; border-radius: 0; border-top: 1px solid var(--line); font-size: 1rem; }
  .nav[data-open="true"] .nav-links a:first-child { border-top: 0; }
  .nav[data-open="true"] .nav-links a[aria-current="page"] { background: none; color: var(--primary); }
  .nav[data-open="true"] .lang-switch { margin: 0.35rem 0 0; padding: 0.7rem 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .nav[data-open="true"] .lang-switch a { border-top: 0; padding: 0.3rem 0.4rem; }
}

/* ---------- Migas de pan ---------- */
.crumbs ol { list-style: none; margin: 0 0 1.4rem; padding: 0; display: flex; flex-wrap: wrap; gap: 0.2rem 0.5rem; font-size: 0.86rem; color: var(--ink-muted); }
.crumbs li + li::before { content: "/"; margin-right: 0.5rem; color: var(--line-strong); }
.crumbs a { color: var(--ink-muted); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.crumbs a:hover { color: var(--primary); text-decoration-color: currentColor; }
.crumbs [aria-current] { color: var(--ink-body); }

/* ---------- Cabecera de página interior ----------
   El mismo papel pautado del hero de la home, más corto. */
.page-hero { position: relative; isolation: isolate; overflow: hidden; padding-top: clamp(2rem, 4vw, 3.25rem); padding-bottom: clamp(2.75rem, 5.5vw, 4.5rem); border-bottom: 1px solid var(--line); }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(to right, var(--rule) 1px, transparent 1px), linear-gradient(to bottom, var(--rule) 1px, transparent 1px);
  background-size: var(--grid-step) var(--grid-step);
  -webkit-mask-image: linear-gradient(to bottom, #000 0 30%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0 30%, transparent 100%);
}
.page-hero h1 { font-size: clamp(2.05rem, 1.25rem + 3.2vw, 3.5rem); letter-spacing: -0.036em; line-height: 1.04; font-weight: 800; max-width: 20ch; }
.page-hero h1 em {
  font-family: var(--font-accent); font-style: italic; font-weight: 400; font-size: 1.06em; letter-spacing: -0.005em;
}
.page-hero .lead { margin-top: var(--lead-xl); max-width: 58ch; }
.page-hero .hero-actions { margin-top: 1.9rem; }
.page-hero-grid { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr); gap: clamp(2rem, 5vw, 4rem); align-items: end; }
.hero-aside { border-top: 1px solid var(--line-strong); padding-top: 1rem; }
.hero-aside .k { display: block; font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }
.hero-aside ul { list-style: none; margin: 0.8rem 0 0; padding: 0; display: grid; gap: 0.55rem; }
.hero-aside li { font-size: 0.95rem; color: var(--ink-body); line-height: 1.45; padding-left: 1.2rem; position: relative; }
.hero-aside li::before { content: "→"; position: absolute; left: 0; color: var(--primary); font-family: var(--font-mono); font-size: 0.85rem; }

.link-arrow { display: inline-flex; align-items: center; gap: 0.45rem; font-weight: 600; color: var(--primary); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
.link-arrow::after { content: "→"; transition: transform .25s var(--ease-out); text-decoration: none; }
.link-arrow:hover::after { transform: translateX(3px); }
.on-dark .link-arrow, .blind .link-arrow { color: var(--upside); }

/* ---------- Etiquetas de evidencia ----------
   Cuatro estados posibles, y el texto siempre dice cuál es: el borde es
   sólo el refuerzo. Discontinuo = cifras inventadas (simulación). Punteado
   = ejemplo de razonamiento sin cifras. Continuo = hecho real. */
.ev { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.35rem 0.8rem; margin: 0 0 1rem; }
.ev-label {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.32rem 0.7rem; border-radius: 6px; line-height: 1.2; color: var(--ink);
}
.ev-sim .ev-label { border: 1px dashed var(--leak-ink); color: var(--leak-ink); background: var(--leak-soft); }
.ev-metodo .ev-label { border: 1px dotted var(--primary); color: var(--primary); background: var(--bg); }
.ev-externo .ev-label { border: 1px solid var(--line-strong); color: var(--ink-body); background: var(--surface); }
.ev-note { font-size: 0.86rem; color: var(--ink-muted); }
.on-dark .ev-sim .ev-label, .thesis .ev-sim .ev-label { border-color: var(--leak-on-dark); color: var(--leak-on-dark); background: transparent; }
.on-dark .ev-metodo .ev-label, .thesis .ev-metodo .ev-label { border-color: var(--upside); color: var(--upside); background: transparent; }
.on-dark .ev-note, .thesis .ev-note { color: var(--on-dark-muted); }

/* marco de una simulación: la etiqueta vive dentro de la pieza, no en el pie */
.sim-frame {
  border: 1px dashed var(--line-strong); border-radius: var(--radius-lg);
  background: var(--bg); padding: clamp(1.25rem, 3vw, 2.1rem);
}
.sim-frame h3 { font-size: clamp(1.15rem, 1rem + 0.7vw, 1.45rem); letter-spacing: -0.025em; }
.sim-frame > p:not(.ev) { margin-top: 0.7rem; color: var(--ink-body); max-width: 68ch; }
.sim-frame .chart, .sim-frame .tabla-scroll { margin-top: clamp(1.25rem, 2.6vw, 1.75rem); }
.sim-foot { margin-top: 1.25rem; padding-top: 1rem; border-top: 1px solid var(--line); font-size: 0.9rem; color: var(--ink-muted); max-width: 72ch; }
.sim-foot b { color: var(--ink); }
.growth .sim-frame { background: var(--bg); }
.sim-frame + .sim-frame { margin-top: clamp(1.5rem, 3vw, 2rem); }

/* ---------- Dato → lectura → decisión ----------
   La pieza con la que Verdict entrega: el orden es la información, así
   que se dibuja como cadena. El lima sólo toca la decisión. */
.dld { list-style: none; margin: 0; padding: 0; }
.dld li {
  position: relative; display: grid; grid-template-columns: 7.5rem minmax(0, 1fr);
  gap: 0.3rem 1.25rem; align-items: baseline; padding: 0.95rem 0 0.95rem 1.9rem;
}
.dld li::before {
  content: ""; position: absolute; left: 0; top: 1.3rem; z-index: 1;
  width: 9px; height: 9px; border-radius: 50%; background: var(--bg); border: 2px solid var(--line-strong);
}
.dld li::after { content: ""; position: absolute; left: 5px; top: 1.3rem; bottom: -0.95rem; width: 1px; background: var(--line-strong); }
.dld li:last-child::after { display: none; }
.dld .k { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }
.dld .v { color: var(--ink-body); line-height: 1.55; max-width: 60ch; }
.dld .v b { color: var(--ink); font-weight: 600; }
.dld li.is-decision::before { background: var(--upside); border-color: var(--upside); box-shadow: 0 0 0 5px oklch(0.86 0.19 128 / .2); }
.dld li.is-decision .k { color: var(--upside-ink); }
.dld li.is-decision .v { color: var(--ink); font-weight: 500; }
.dld .br { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.6rem; align-items: start; padding: 0.35rem 0; }
.dld .mk { width: 20px; height: 20px; border-radius: 6px; display: grid; place-items: center; font-family: var(--font-mono); font-size: 0.72rem; line-height: 1; margin-top: 2px; }
.dld .mk.ex { background: oklch(0.94 0.055 158); color: var(--primary); }
.dld .mk.no { background: var(--leak-soft); color: var(--leak-ink); }
.dld .br.no { color: var(--ink-body); font-weight: 400; }

/* sobre oscuro (hero de la home, tarjetas de conclusión) */
.on-dark .dld li::before { background: var(--primary-deep); border-color: var(--on-dark-line); }
.on-dark .dld li::after { background: var(--on-dark-line); }
.on-dark .dld .k { color: var(--on-dark-muted); }
.on-dark .dld .v { color: var(--on-dark-muted); }
.on-dark .dld .v b { color: var(--on-dark); }
.on-dark .dld li.is-decision::before { background: var(--upside); border-color: var(--upside); box-shadow: 0 0 0 5px oklch(0.86 0.19 128 / .16); }
.on-dark .dld li.is-decision .k { color: var(--upside); }
.on-dark .dld li.is-decision .v { color: var(--on-dark); }

/* tarjeta oscura de conclusión (hero) */
.verdict-card {
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--primary-deep); color: var(--on-dark);
  border-radius: var(--radius-lg); padding: clamp(1.35rem, 2.6vw, 2rem);
  box-shadow: 0 34px 64px -34px oklch(0.185 0.032 160 / .6), 0 6px 16px -8px oklch(0.185 0.032 160 / .3);
}
.verdict-card::before {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(to right, var(--rule-dark) 1px, transparent 1px), linear-gradient(to bottom, var(--rule-dark) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask-image: radial-gradient(110% 90% at 90% 0%, #000, transparent 70%);
  mask-image: radial-gradient(110% 90% at 90% 0%, #000, transparent 70%);
}
.verdict-card .vc-t { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.2rem, 1rem + 0.8vw, 1.55rem); line-height: 1.2; letter-spacing: -0.025em; color: var(--on-dark); max-width: 22ch; }
.verdict-card .dld { margin-top: 1rem; }
.verdict-card .dld li { grid-template-columns: 1fr; padding-top: 0.75rem; padding-bottom: 0.75rem; }
.verdict-card .vc-foot { margin-top: 0.9rem; padding-top: 0.9rem; border-top: 1px solid var(--on-dark-line); font-size: 0.86rem; }
.verdict-card .vc-foot a { color: var(--upside); text-decoration: underline; text-underline-offset: 3px; }

/* ---------- Gráficos (HTML + CSS) ----------
   Un solo momento de movimiento en la web: las barras se trazan al
   entrar en pantalla. Sin JS, o con movimiento reducido, ya dibujadas. */
.chart { position: relative; }
.track { position: relative; display: block; height: 12px; border-radius: 3px; background: var(--surface-2); }
.bar { position: absolute; top: 0; bottom: 0; left: var(--l); width: var(--w); border-radius: 3px; transform-origin: left center; }
.js [data-draw] .bar { transform: scaleX(0); transition: transform 1s var(--ease-out); }
.js [data-draw].in .bar { transform: scaleX(1); }
.js [data-draw] .b-neg { transform-origin: right center; }
.b-roas { background: var(--primary); }
.b-pos { background: var(--primary-strong); }
.b-neg { background: var(--leak); }
.b-total { background: var(--primary); }
.b-cost { background: var(--leak-soft); box-shadow: inset 0 0 0 1px var(--leak); }
.has-zero::after { content: ""; position: absolute; left: var(--z); top: -5px; bottom: -5px; width: 1px; background: var(--ink-muted); }
.tick { position: absolute; left: var(--x); top: -6px; bottom: -6px; width: 2px; margin-left: -1px; background: var(--ink); border-radius: 1px; }
.chart .val { font-family: var(--font-mono); font-weight: 500; font-size: 0.95rem; color: var(--ink); white-space: nowrap; }
.chart .sub { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-muted); white-space: nowrap; }
.chart-key { margin-top: 1rem; font-size: 0.86rem; color: var(--ink-muted); display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.k-tick { display: inline-block; width: 2px; height: 16px; background: var(--ink); border-radius: 1px; }

/* ROAS frente a contribución */
.cr-head, .cr-row { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr) minmax(0, 1fr); gap: 0.5rem clamp(1.25rem, 3vw, 2.5rem); align-items: center; }
.cr-head { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-muted); padding-bottom: 0.7rem; border-bottom: 1px solid var(--line); }
.cr-row { padding: 1.05rem 0; border-bottom: 1px solid var(--line); }
.cr-name { font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.cr-cell { display: grid; grid-template-columns: minmax(0, 1fr) 5.25rem; gap: 0.3rem 0.9rem; align-items: center; }
.cr-cell .val { text-align: right; }
.cr-cell .sub { grid-column: 1 / -1; }
.cr-row.is-neg .cr-contrib .val { color: var(--leak-ink); }
.cr-row.is-neg .cr-name::after { content: "Pierde dinero"; display: block; margin-top: 0.15rem; font-weight: 500; font-size: 0.8rem; color: var(--leak-ink); }

/* cascada */
.wf { list-style: none; margin: 0; padding: 0; }
.wf-row { display: grid; grid-template-columns: 13rem minmax(0, 1fr) 6.5rem; gap: 0.5rem 1.25rem; align-items: center; padding: 0.55rem 0; }
.wf-row + .wf-row { border-top: 1px solid var(--line); }
.wf-k { font-size: 0.95rem; color: var(--ink-body); }
.wf-row.is-sub .wf-k { font-weight: 600; color: var(--ink); }
.wf-row.is-cost .wf-k::before { content: "− "; color: var(--leak-ink); font-family: var(--font-mono); }
.wf-row.is-cost .val { color: var(--leak-ink); }
.wf-row .val { text-align: right; }
.wf-row.is-out { border-top: 1px solid var(--ink) !important; margin-top: 0.25rem; padding-top: 0.8rem; }
.wf-row.is-out .wf-k { font-weight: 700; color: var(--ink); }
.wf-row.is-out .b-total { background: var(--upside); box-shadow: inset 0 0 0 1px var(--upside-ink); }
.wf-row.is-out .val { color: var(--upside-ink); font-size: 1.05rem; }

/* concentración */
.cc-row { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 0.5rem 1.25rem; align-items: center; padding: 0.5rem 0; }
.cc-k { font-weight: 600; color: var(--ink); font-size: 0.95rem; }
.cc-bar { display: flex; height: 34px; border-radius: 4px; overflow: hidden; background: var(--surface-2); }
.seg { flex: 0 0 var(--w); display: flex; align-items: center; justify-content: center; min-width: 0; overflow: hidden; box-shadow: inset -2px 0 0 var(--bg); }
.seg:last-child { box-shadow: none; }
.seg-v { font-family: var(--font-mono); font-size: 0.74rem; font-weight: 500; white-space: nowrap; }
.s1 { background: var(--primary-deep); color: var(--on-dark); }
.s2 { background: var(--primary); color: var(--on-dark); }
.s3 { background: oklch(0.78 0.06 158); color: var(--ink); }
.s4 { background: oklch(0.91 0.03 158); color: var(--ink); }
.seg.is-thin .seg-v { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); }
.js [data-draw] .cc-bar { clip-path: inset(0 100% 0 0); transition: clip-path 1.1s var(--ease-out); }
.js [data-draw].in .cc-bar { clip-path: inset(0 0 0 0); }
.cc-legend { list-style: none; margin: 1.1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem 1.4rem; font-size: 0.86rem; color: var(--ink-muted); }
.cc-legend li { display: inline-flex; align-items: center; gap: 0.5rem; }
.sw { width: 12px; height: 12px; border-radius: 3px; flex: none; }
.sw.s4 { box-shadow: inset 0 0 0 1px var(--line-strong); }

/* tablas de simulación */
.sim-table tbody th { min-width: 13rem; }
.sim-table tr.is-key th, .sim-table tr.is-key td { background: var(--surface); font-weight: 600; }
.sim-table tr.is-key .simv { color: var(--ink); }
.row-sub { display: block; font-weight: 400; font-size: 0.82rem; color: var(--ink-muted); margin-top: 0.15rem; }

/* ---------- Síntomas (home) ----------
   Cada síntoma es una puerta: la fila entera es el enlace. */
.symptoms { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--on-dark-line); }
.symptoms a {
  display: grid; grid-template-columns: minmax(0, 1fr) 14rem 1.5rem; gap: 0.4rem clamp(1.25rem, 3vw, 2.5rem);
  align-items: baseline; padding: clamp(1.1rem, 2.1vw, 1.5rem) 0; border-bottom: 1px solid var(--on-dark-line);
  transition: background .25s;
}
.symptoms .s { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.15rem, 0.95rem + 0.95vw, 1.6rem); letter-spacing: -0.025em; line-height: 1.2; color: var(--on-dark); text-wrap: balance; }
.symptoms .a { font-family: var(--font-mono); font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--on-dark-muted); }
.symptoms .go { font-family: var(--font-mono); color: var(--on-dark-muted); transition: transform .25s var(--ease-out), color .2s; }
.symptoms a:hover .s { text-decoration: underline; text-decoration-color: var(--upside); text-decoration-thickness: 2px; text-underline-offset: 6px; }
.symptoms a:hover .go { transform: translateX(4px); color: var(--upside); }
.symptoms a:hover .a { color: var(--on-dark); }
.symptoms a:focus-visible { outline: 3px solid var(--upside); outline-offset: 4px; border-radius: 4px; }

/* ---------- Índice de problemas y de casos ---------- */
.index-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.index-list > li { border-bottom: 1px solid var(--line); }
.index-item { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 0.8rem clamp(1.5rem, 4vw, 3.5rem); padding: clamp(1.5rem, 3vw, 2.25rem) 0; }
.index-item h2, .index-item h3 { font-size: clamp(1.35rem, 1.05rem + 1.2vw, 1.9rem); letter-spacing: -0.03em; line-height: 1.1; }
.index-item h2 a, .index-item h3 a { color: var(--ink); text-decoration: underline; text-decoration-color: transparent; text-underline-offset: 5px; text-decoration-thickness: 2px; transition: text-decoration-color .2s; }
.index-item h2 a:hover, .index-item h3 a:hover { text-decoration-color: var(--upside); }
.index-item .q { margin-top: 0.7rem; font-family: var(--font-accent); font-style: italic; font-size: 1.2rem; color: var(--primary); line-height: 1.3; }
.index-item .d { color: var(--ink-body); max-width: 60ch; }
.index-item .tags { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.4rem; }
.index-item .tags li { font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-muted); border: 1px solid var(--line); border-radius: 999px; padding: 0.24rem 0.6rem; background: var(--bg); }
.index-item .link-arrow { margin-top: 1.1rem; }
.index-item .ev { margin-bottom: 0.8rem; }
.index-group + .index-group { margin-top: clamp(3rem, 6vw, 4.5rem); }
.index-group > h2 { font-size: clamp(1.3rem, 1rem + 1vw, 1.7rem); letter-spacing: -0.025em; }
.index-group > p { margin-top: var(--lead-md); color: var(--ink-muted); max-width: 64ch; margin-bottom: 1.5rem; }
.later-note { margin-top: 2rem; font-size: 0.95rem; color: var(--ink-muted); max-width: 70ch; }
.later-note b { color: var(--ink); }

/* ---------- Bloques de las landings de problema ---------- */
.two-col { display: grid; grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.two-col .section-head { margin-bottom: 0; }

/* síntomas reconocibles: frases en primera persona del cliente */
.quotes { list-style: none; margin: 0; padding: 0; }
.quotes li { padding: 1rem 0 1rem 1.9rem; border-top: 1px solid var(--line); position: relative; font-size: clamp(1.05rem, 0.98rem + 0.35vw, 1.2rem); color: var(--ink); line-height: 1.45; letter-spacing: -0.01em; }
.quotes li:first-child { border-top: 0; padding-top: 0; }
.quotes li::before { content: "«"; position: absolute; left: 0; top: 0.85rem; font-family: var(--font-accent); font-size: 1.6rem; line-height: 1; color: var(--primary); }
.quotes li:first-child::before { top: -0.15rem; }

/* la métrica y lo que no cuenta */
.lies { list-style: none; margin: 0; padding: 0; }
.lies li { display: grid; grid-template-columns: 13rem minmax(0, 1fr); gap: 0.35rem clamp(1.25rem, 3vw, 2.5rem); padding: 1.1rem 0; border-top: 1px solid var(--line); align-items: baseline; }
.lies li:first-child { border-top: 0; padding-top: 0; }
.lies .m { font-family: var(--font-display); font-weight: 700; font-size: 1.12rem; letter-spacing: -0.02em; color: var(--ink); }
.lies .n { color: var(--ink-body); line-height: 1.6; max-width: 62ch; }
.lies .n b { color: var(--ink); }

/* qué cruza Verdict: dato y de dónde sale */
.crossing { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 5vw, 4rem); }
.crossing li { padding: 1rem 0; border-top: 1px solid var(--line); }
.crossing li:nth-child(-n+2) { border-top: 0; padding-top: 0; }
.crossing .k { display: block; font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.crossing .src { display: block; margin-top: 0.3rem; font-family: var(--font-mono); font-size: 0.76rem; color: var(--ink-muted); }

/* decisiones posibles */
.decisions { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 5vw, 4rem); }
.decisions li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.8rem; padding: 1rem 0; border-top: 1px solid var(--line); color: var(--ink-body); line-height: 1.55; }
.decisions li:nth-child(-n+2) { border-top: 0; padding-top: 0; }
.decisions li::before { content: "→"; font-family: var(--font-mono); color: var(--primary); }
.decisions b { color: var(--ink); font-weight: 600; }

/* lo que no puede afirmarse sin datos internos */
.limits { background: var(--surface); border-block: 1px solid var(--line); }
.limits-list { list-style: none; margin: 0; padding: 0; }
.limits-list li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.9rem; padding: 1.05rem 0; border-top: 1px solid var(--line); }
.limits-list li:first-child { border-top: 0; padding-top: 0; }
.limits-list li::before {
  content: "?"; width: 1.55rem; height: 1.55rem; border-radius: 7px; display: grid; place-items: center;
  border: 1px dashed var(--line-strong); color: var(--ink-muted); font-family: var(--font-mono); font-size: 0.8rem; background: var(--bg);
}
.limits-list .t { display: block; font-weight: 600; color: var(--ink); }
.limits-list .d { display: block; margin-top: 0.25rem; color: var(--ink-body); font-size: 0.96rem; line-height: 1.6; max-width: 66ch; }

/* ---------- Growth Diagnosis (bloque compartido) ---------- */
.gd-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.gd-grid h2 { font-size: clamp(1.7rem, 1.1rem + 2.4vw, 2.7rem); letter-spacing: -0.03em; }
.gd-lead { margin-top: var(--lead-lg); color: var(--ink-body); max-width: 56ch; line-height: 1.6; }
.gd-lead + .gd-lead { margin-top: 0.9rem; }
.gd-actions { margin-top: 1.8rem; display: flex; flex-wrap: wrap; align-items: center; gap: 1.1rem 1.6rem; }
.gd-facts { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line-strong); }
.gd-facts li { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 0.3rem 1.25rem; padding: 1rem 0; border-bottom: 1px solid var(--line); }
.gd-facts .k { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); padding-top: 0.2rem; }
.gd-facts .v { color: var(--ink); line-height: 1.5; }
.gd-strip { border-top: 1px solid var(--line); }

/* ---------- Home ---------- */
.home-hero .hero-grid { align-items: start; }
.home-hero .hero-visual { margin-top: clamp(0.5rem, 3vw, 2.5rem); }
.home-hero h1 { max-width: 19ch; font-size: clamp(2.1rem, 1.2rem + 3vw, 3.45rem); }
.proof { display: grid; grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: clamp(2rem, 5vw, 4.5rem); align-items: start; }
.proof .section-head { margin-bottom: 0; }
.proof-actions { margin-top: 1.6rem; display: grid; gap: 0.8rem; justify-items: start; }
.steps4 { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 2rem); counter-reset: s4; }
.steps4 li { position: relative; padding-top: 1.1rem; border-top: 2px solid var(--line-strong); counter-increment: s4; }
.steps4 li:last-child { border-top-color: var(--upside); }
.steps4 .v { display: block; font-family: var(--font-display); font-weight: 700; font-size: clamp(1.2rem, 1rem + 0.8vw, 1.55rem); letter-spacing: -0.028em; color: var(--ink); }
.steps4 .v::after { content: " →"; font-family: var(--font-mono); font-weight: 400; font-size: 0.8em; color: var(--ink-muted); }
.steps4 li:last-child .v::after { content: ""; }
.steps4 .d { display: block; margin-top: 0.55rem; font-size: 0.95rem; color: var(--ink-body); line-height: 1.55; }
.section-link { margin-top: clamp(1.75rem, 3.5vw, 2.5rem); }

/* bloque humano */
.person { display: grid; grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr); gap: clamp(1.75rem, 5vw, 4rem); align-items: center; }
.person-photo { margin: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; aspect-ratio: 1; max-width: 26rem; }
.person-photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 20%; filter: contrast(1.02); }
.person h2 { font-size: clamp(1.6rem, 1.1rem + 2vw, 2.4rem); letter-spacing: -0.03em; }
.person .who { margin-top: 0.5rem; font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.06em; color: var(--primary); }
.person p.t { margin-top: var(--lead-lg); color: var(--ink-body); line-height: 1.6; max-width: 58ch; }
.person-facts { list-style: none; margin: 1.4rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.person-facts li { font-size: 0.92rem; color: var(--ink); border: 1px solid var(--line-strong); border-radius: 999px; padding: 0.4rem 0.85rem; background: var(--bg); }
.person .link-arrow { margin-top: 1.4rem; }

/* sobre verdict: ejecuta / coordina */
.split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 5vw, 4.5rem); }
.split h3 { font-size: 1.2rem; letter-spacing: -0.02em; padding-bottom: 0.85rem; border-bottom: 1px solid var(--line-strong); }
.split ul { list-style: none; margin: 0; padding: 0; }
.split li { padding: 0.85rem 0; border-bottom: 1px solid var(--line); color: var(--ink-body); line-height: 1.55; }
.split li b { color: var(--ink); font-weight: 600; }

/* ---------- Formulario ---------- */
.field .err:not([hidden]) { display: block; }
.field [aria-invalid="true"] { border-color: var(--leak); }
.hp { position: absolute !important; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.consent { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.7rem; align-items: start; font-size: 0.92rem; color: var(--ink-body); line-height: 1.5; cursor: pointer; }
.consent input { width: 1.1rem; height: 1.1rem; margin: 0.15rem 0 0; accent-color: var(--primary); }
.consent a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.form-notice, .form-status { border-radius: var(--radius-sm); padding: 0.95rem 1.1rem; font-size: 0.94rem; line-height: 1.55; }
.form-notice { margin-top: clamp(1.5rem, 3vw, 2rem); background: var(--surface); border: 1px dashed var(--line-strong); color: var(--ink-body); }
.form-notice b, .form-status b { color: var(--ink); }
.form-status.is-error { background: var(--leak-soft); border: 1px solid var(--leak); color: var(--ink); }
.form-status a, .form-notice a { color: var(--primary); text-decoration: underline; }
.btn[disabled] { opacity: 0.6; cursor: progress; transform: none; }
.form-success:not([hidden]) { display: block; }
.form-success:focus { outline: 3px solid var(--upside); outline-offset: 3px; }

/* ---------- Texto legal ---------- */
.prose { max-width: 72ch; }
.prose h2 { margin-top: 2.6rem; font-size: 1.55rem; letter-spacing: -0.02em; }
.prose h3 { margin-top: 1.8rem; font-size: 1.1rem; letter-spacing: -0.01em; }
.prose p, .prose ul { margin-top: 0.8rem; color: var(--ink-body); line-height: 1.65; }
.prose ul { padding-left: 1.2rem; }
.prose li + li { margin-top: 0.35rem; }
.prose .updated { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-muted); margin-top: 1rem; }
.legal-dl { margin: 1rem 0 0; display: grid; gap: 0.4rem; }
.legal-dl div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1rem; padding: 0.5rem 0; border-bottom: 1px solid var(--line); }
.legal-dl dt { font-weight: 600; color: var(--ink); }
.legal-dl dd { margin: 0; color: var(--ink-body); }

/* ---------- Responsive ---------- */
@media (max-width: 1040px) {
  .symptoms a { grid-template-columns: minmax(0, 1fr) 1.5rem; }
  .symptoms .a { grid-column: 1; grid-row: 2; }
  .symptoms .go { grid-column: 2; grid-row: 1; }
  .steps4 { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 1.75rem; }
}
@media (max-width: 940px) {
  .page-hero-grid, .two-col, .gd-grid, .proof, .person, .index-item { grid-template-columns: 1fr; }
  .home-hero .hero-visual { margin-top: 1.5rem; }
  .person-photo { max-width: 18rem; }
  .cr-head { display: none; }
  .cr-row { grid-template-columns: 1fr; gap: 0.7rem; }
  .cr-cell::before { font-family: var(--font-mono); font-size: 0.68rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-muted); grid-column: 1 / -1; }
  .cr-roas::before { content: "ROAS de plataforma"; }
  .cr-contrib::before { content: "Contribución tras publicidad"; }
}
@media (max-width: 720px) {
  .crossing, .decisions, .split { grid-template-columns: 1fr; }
  .crossing li:nth-child(2), .decisions li:nth-child(2) { border-top: 1px solid var(--line); padding-top: 1rem; }
  .lies li, .gd-facts li { grid-template-columns: 1fr; }
  .wf-row { grid-template-columns: minmax(0, 1fr) auto; }
  .wf-row .track { grid-column: 1 / -1; grid-row: 2; }
  .cc-row { grid-template-columns: 1fr; gap: 0.4rem; }
  .steps4 { grid-template-columns: 1fr; }
  .dld li { grid-template-columns: 1fr; gap: 0.25rem; padding-left: 1.7rem; }
  .sim-table tbody th { min-width: 0; }
  .legal-dl div { grid-template-columns: 1fr; gap: 0.2rem; }
}
@media (prefers-reduced-motion: reduce) {
  .js [data-draw] .bar, .js [data-draw] .cc-bar { transform: none; clip-path: none; transition: none; }
  .symptoms a, .symptoms .go, .link-arrow::after { transition: none; }
}

/* encaje: jerarquía de encabezados corregida (h2/h3 en lugar de h3/h4) */
.diag-side .side-title { font-family: var(--font-body); font-weight: 700; font-size: 1.1rem; color: var(--ink); letter-spacing: -0.005em; }
.call-not h3 { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); font-weight: 500; }
.form-success h2 { color: var(--ink); font-size: 1.4rem; }
.diag .crumbs ol { margin-bottom: 1rem; }

/* los .sr-only absolutos de las celdas no deben escapar del contenedor de scroll */
.tabla-scroll { position: relative; }

/* señales de /encaje: una de ellas es una frase completa */
.diag-assure .a { align-items: flex-start; line-height: 1.45; }
.diag-assure .a .dot { margin-top: 0.42em; }

/* formulario en móvil: 16 px evita el zoom de iOS al enfocar un campo, y las opciones
   de radio recuperan el relleno que les quitaba `.field label { padding: 0 }` */
.field input, .field select, .field textarea { font-size: 1rem; }
.field .radio { padding: 0.75rem 0.9rem; font-size: 0.95rem; font-weight: 400; min-height: 44px; }
.check-grid .radio { padding: 0.6rem 0.8rem; font-size: 0.92rem; }
.field .consent { font-weight: 400; font-size: 0.92rem; color: var(--ink-body); }

/* ---------- /encaje: una sola columna, tres bloques ---------- */
.diag-main { max-width: calc(46rem + 2 * var(--gutter)); }
.diag-main .lead { max-width: 56ch; }
.steps-compact { list-style: none; margin: clamp(1.4rem, 3vw, 1.9rem) 0 0; padding: 0; display: grid; gap: 0.55rem; }
.steps-compact li { display: grid; grid-template-columns: 1.7rem minmax(0, 1fr); gap: 0.7rem; align-items: start; color: var(--ink); font-size: 1rem; line-height: 1.45; }
.steps-compact .n { width: 1.7rem; height: 1.7rem; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); border: 1px solid var(--line-strong); font-family: var(--font-mono); font-size: 0.78rem; color: var(--primary); margin-top: -0.1rem; }
.form-block { border: 0; margin: 0; padding: clamp(1.25rem, 3vw, 1.6rem) 0 0; border-top: 1px solid var(--line-strong); display: grid; gap: 1.15rem; min-width: 0; }
.form-block > legend { float: left; width: 100%; padding: 0; margin: 0 0 0.2rem; font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--ink); }
.form-block > legend + * { clear: both; }
.form-block .fieldset { min-width: 0; }
.field legend .opt, .field label .opt { font-weight: 400; color: var(--ink-muted); font-family: var(--font-mono); font-size: 0.72rem; margin-left: 0.3rem; }
.field fieldset[aria-invalid="true"] .radio { border-color: var(--leak); }
.after-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: clamp(2rem, 5vw, 4rem); align-items: start; }
.after-grid .call-not { margin-top: 0; padding-top: 0; border-top: 0; }
@media (max-width: 720px) { .after-grid { grid-template-columns: 1fr; } }

/* por debajo de 521 px .form-row no tenía separación entre campos apilados */
@media (max-width: 520px) { .form-row { display: grid; gap: 1.15rem; } }

/* anclas: la cabecera fija (68 px) no tapa el destino. #solicitud es la entrada directa
   al formulario desde campañas y landings; su título dice qué se solicita. */
html { scroll-padding-top: 5.25rem; }
.form-title { margin-top: clamp(2rem, 4.5vw, 2.75rem); font-size: clamp(1.35rem, 1.1rem + 1vw, 1.7rem); letter-spacing: -0.025em; }
.form-title + .form-notice { margin-top: 1rem; }

/* ============================================================
   Insights (19-09-2026): guías de lectura. Modo Read.
   Una columna de lectura de 68ch con índice lateral fijo en escritorio.
   La respuesta directa abre el artículo con peso de titular pequeño y regla
   lima: es el fragmento que un buscador o un asistente se lleva, así que se
   diseña para leerse solo. Fórmulas como fracción real, no como texto en línea.
   ============================================================ */
.byline { display: flex; flex-wrap: wrap; gap: 0.3rem 0; margin-top: 1.4rem; font-size: 0.9rem; color: var(--ink-muted); }
.byline > span:not(.draft) + span:not(.draft)::before { content: "·"; margin-inline: 0.6rem; color: var(--line-strong); }
.byline a { color: var(--ink); font-weight: 600; text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 3px; }
.byline a:hover { text-decoration-color: currentColor; }
.draft { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.04em; color: var(--leak-ink); background: var(--leak-soft); border: 1px dashed var(--leak-ink); border-radius: 6px; padding: 0.12rem 0.5rem; }
.byline > .draft { margin-left: 0.9rem; }

.art-layout { display: grid; grid-template-columns: minmax(0, 13.5rem) minmax(0, 46rem); gap: clamp(2.5rem, 5vw, 5rem); justify-content: start; }
.toc { position: sticky; top: 6.5rem; align-self: start; font-size: 0.9rem; }
.toc-t { font-weight: 600; color: var(--ink); padding-bottom: 0.7rem; border-bottom: 1px solid var(--line-strong); }
.toc ol { list-style: none; margin: 0.6rem 0 0; padding: 0; counter-reset: toc; }
.toc li { counter-increment: toc; }
.toc a { display: grid; grid-template-columns: 1.6rem minmax(0, 1fr); padding: 0.38rem 0; color: var(--ink-body); line-height: 1.35; text-decoration: none; }
.toc a::before { content: counter(toc, decimal-leading-zero); font-family: var(--font-mono); font-size: 0.7rem; color: var(--ink-muted); padding-top: 0.2rem; }
.toc a:hover { color: var(--primary); }
.toc a[aria-current="true"] { color: var(--ink); font-weight: 600; }
.toc a[aria-current="true"]::before { color: var(--upside-ink); }

.art { min-width: 0; }
.art > h2 { margin-top: clamp(3rem, 6vw, 4.25rem); font-size: clamp(1.45rem, 1.1rem + 1.2vw, 2rem); letter-spacing: -0.028em; line-height: 1.12; scroll-margin-top: 6.5rem; }
.art > h3 { margin-top: 2rem; font-size: 1.15rem; letter-spacing: -0.015em; }
.art > p, .art > ul, .art > ol:not(.steps) { margin-top: 1rem; color: var(--ink-body); line-height: 1.7; max-width: 68ch; font-size: 1.04rem; }
.art > ul { padding-left: 1.2rem; }
.art > ul li + li, .art > ol li + li { margin-top: 0.45rem; }
.art b, .art strong { color: var(--ink); font-weight: 600; }
.art > .sim-frame, .art > .tabla-scroll, .art > .formula, .art > .calc { margin-top: 1.6rem; }
.art .sim-frame { padding: clamp(1.25rem, 2.5vw, 1.75rem); }

/* la respuesta directa */
.art > p.answer { position: relative; margin-top: 0; padding-top: 1.1rem; font-family: var(--font-display); font-weight: 500; font-size: clamp(1.18rem, 1.02rem + 0.55vw, 1.42rem); line-height: 1.42; letter-spacing: -0.012em; color: var(--ink); max-width: 44ch; text-wrap: pretty; }
.art > p.answer::before { content: ""; position: absolute; top: 0; left: 0; width: 3.5rem; height: 3px; border-radius: 2px; background: var(--upside); }
.art > h2 + p.answer { margin-top: 1.1rem; }
.art-section { padding-top: clamp(2.5rem, 5vw, 3.75rem); }

/* fórmula: nombre = fracción, en mono, sobre papel */
.formula { display: flex; flex-wrap: wrap; align-items: center; gap: 0.8rem 1rem; padding: 1.3rem 1.4rem; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); font-size: clamp(0.98rem, 0.9rem + 0.3vw, 1.08rem); line-height: 1.45; color: var(--ink); }
.formula .f-name { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.015em; font-size: 1.08em; }
.formula .f-eq { color: var(--ink-muted); }
.frac { display: inline-grid; text-align: center; vertical-align: middle; }
.frac > span { padding: 0.2rem 0.5rem; }
.frac > span:first-child { border-bottom: 1.5px solid var(--ink); }
.art > p.formula-note { margin-top: 0.7rem; font-size: 0.92rem; color: var(--ink-muted); }

/* pasos: numerados porque el orden es la información */
.steps { list-style: none; margin: 1.2rem 0 0; padding: 0; counter-reset: st; max-width: 68ch; }
.steps li { counter-increment: st; display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 0.9rem; padding: 1rem 0; border-top: 1px solid var(--line); color: var(--ink-body); line-height: 1.6; }
.steps li:first-child { border-top: 0; }
.steps li::before { content: counter(st); display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 50%; border: 1px solid var(--line-strong); font-family: var(--font-mono); font-size: 0.8rem; color: var(--primary); }
.steps b { display: block; color: var(--ink); margin-bottom: 0.15rem; }

/* errores: la trampa y por qué */
.pitfalls { list-style: none; margin: 1.2rem 0 0; padding: 0; max-width: 68ch; }
.pitfalls li { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 0.9rem; padding: 1rem 0; border-top: 1px solid var(--line); color: var(--ink-body); line-height: 1.6; }
.pitfalls li:first-child { border-top: 0; }
.pitfalls li::before { content: "×"; display: grid; place-items: center; width: 22px; height: 22px; margin-top: 2px; border-radius: 6px; background: var(--leak-soft); color: var(--leak-ink); font-family: var(--font-mono); font-size: 0.8rem; }

/* preguntas frecuentes: siempre visibles, para que se lean y se citen */
.faq { margin: 1.2rem 0 0; max-width: 68ch; }
.faq div { padding: 1.1rem 0; border-top: 1px solid var(--line); }
.faq div:first-child { border-top: 0; padding-top: 0; }
.faq dt { font-weight: 600; color: var(--ink); letter-spacing: -0.01em; }
.faq dd { margin: 0.4rem 0 0; color: var(--ink-body); line-height: 1.65; }

/* CTA contextual dentro del artículo */
.art-cta { margin-top: clamp(3rem, 6vw, 4rem); padding: clamp(1.5rem, 3vw, 2.1rem); border-radius: var(--radius); background: var(--primary-deep); color: var(--on-dark); }
.art-cta .t { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.2rem, 1rem + 0.7vw, 1.5rem); letter-spacing: -0.02em; line-height: 1.2; color: var(--on-dark); max-width: 32ch; }
.art-cta .d { margin-top: 0.7rem; color: var(--on-dark-muted); line-height: 1.6; max-width: 58ch; }
.art-cta .cta-row { margin-top: 1.3rem; display: flex; flex-wrap: wrap; align-items: center; gap: 0.9rem 1.5rem; }
.art-cta .link-arrow { color: var(--upside); }

.author-box { margin-top: clamp(2.5rem, 5vw, 3.5rem); display: grid; grid-template-columns: 5.5rem minmax(0, 1fr); gap: 1.25rem; padding-top: 1.6rem; border-top: 1px solid var(--line-strong); }
.author-box img { width: 5.5rem; height: auto; aspect-ratio: 1; object-fit: cover; object-position: top; border-radius: var(--radius-sm); background: var(--surface-2); }
.ab-name { font-weight: 700; color: var(--ink); font-size: 1.05rem; }
.ab-role { margin-top: 0.15rem; font-size: 0.88rem; color: var(--ink-muted); }
.ab-text { margin-top: 0.6rem; color: var(--ink-body); line-height: 1.6; font-size: 0.96rem; max-width: 58ch; }
.author-box .link-arrow { margin-top: 0.7rem; font-size: 0.95rem; }

.related { list-style: none; margin: 1rem 0 0; padding: 0; border-top: 1px solid var(--line-strong); max-width: 68ch; }
.related li { padding: 1rem 0; border-bottom: 1px solid var(--line); }
.related a { font-weight: 600; color: var(--ink); text-decoration: underline; text-decoration-color: var(--line-strong); text-underline-offset: 4px; }
.related a:hover { text-decoration-color: var(--upside); text-decoration-thickness: 2px; }
.related span { display: block; margin-top: 0.3rem; font-size: 0.93rem; color: var(--ink-muted); line-height: 1.5; }
.meta-line { margin-top: 0.6rem; font-family: var(--font-mono); font-size: 0.74rem; color: var(--ink-muted); }

/* calculadora: los datos del lector, en su navegador; el resultado es la conclusión */
.calc { border: 1px solid var(--line-strong); border-radius: var(--radius); overflow: hidden; }
.calc-in { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem 1.25rem; padding: clamp(1.25rem, 2.5vw, 1.6rem); background: var(--surface); }
.calc-in .field { display: grid; gap: 0.35rem; align-content: start; }
.calc-in label { font-weight: 600; font-size: 0.92rem; color: var(--ink); }
.calc-in .hint { font-size: 0.8rem; color: var(--ink-muted); line-height: 1.4; }
.calc-in input[type="number"] { width: 100%; font-family: var(--font-mono); font-size: 1rem; color: var(--ink); padding: 0.6rem 0.75rem; border: 1px solid var(--line-strong); border-radius: 8px; background: var(--bg); font-variant-numeric: tabular-nums; }
.calc-in input:focus-visible { outline: 3px solid oklch(0.86 0.19 128 / .55); outline-offset: 1px; border-color: var(--primary); }
.calc-in .check { grid-column: 1 / -1; display: flex; align-items: center; gap: 0.6rem; font-weight: 500; }
.calc-in .check input { width: 1.1rem; height: 1.1rem; accent-color: var(--primary); }
.calc-out { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); margin: 0; background: var(--primary-deep); color: var(--on-dark); }
.calc-out div { padding: 1.2rem clamp(1rem, 2vw, 1.5rem); }
.calc-out div + div { border-left: 1px solid var(--on-dark-line); }
.calc-out dt { font-size: 0.82rem; color: var(--on-dark-muted); line-height: 1.35; }
.calc-out dd { margin: 0.45rem 0 0; font-family: var(--font-mono); font-weight: 500; font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.8rem); color: var(--on-dark); font-variant-numeric: tabular-nums; }
.calc-out .is-key dd { color: var(--upside); }
.calc-msg { margin: 0; padding: 0.8rem clamp(1rem, 2vw, 1.5rem); font-size: 0.88rem; color: var(--on-dark-muted); background: var(--primary-deep-2); }
.calc-msg.is-warn { color: var(--leak-on-dark); }

@media (max-width: 1100px) {
  .art-layout { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem 1.1rem; }
}
@media (max-width: 620px) {
  .calc-in { grid-template-columns: 1fr; }
  .calc-out { grid-template-columns: 1fr; }
  .calc-out div + div { border-left: 0; border-top: 1px solid var(--on-dark-line); }
  .author-box { grid-template-columns: 4rem minmax(0, 1fr); }
  .author-box img { width: 4rem; }
  .formula { padding: 1rem; }
}
.sim-table tr.is-sub th, .sim-table tr.is-sub td { font-weight: 600; color: var(--ink); border-top: 1px solid var(--line-strong); }
.sim-table td.is-cost { color: var(--leak-ink); }