/* ============================================================
   Custronix — Decisiones basadas en datos e IA
   Dirección visual: "sala de servidores" — superficies de marca
   siempre oscuras (chrome, hero, bandas) contra un lienzo de
   lectura que sí sigue el tema; naranja como única señal.
   Tipografía IBM Plex (Condensed / Sans / Mono).
   ============================================================ */

:root {
  /* Superficies de marca: fijas en ambos temas, son la identidad. */
  --ink: #0e2841;
  --ink-deep: #071827;
  --ink-abyss: #040d16;
  --text-on-ink: #f4f7fa;
  --nav-muted: #c9d5df;
  --on-ink-soft: #9db3c6;

  /* Acento: única señal de color. */
  --accent: #ff6600;
  --accent-lift: #ff8a3d;
  --accent-deep: #ad4400;

  /* Lienzo de lectura: cambia con el tema. */
  --heading: #0e2841;
  --ink-soft: #48515a;
  --paper: #eef1f4;
  --paper-raised: #ffffff;
  --paper-sunken: #e4e9ee;
  --line: #d7dee5;
  --text: #10171d;
  --link: #ad4400;
  --shadow: 22px rgba(7, 24, 39, 0.10);

  --font-display: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
  --font-body: "IBM Plex Sans", Arial, sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 6rem;
  --space-7: 9rem;

  --radius: 4px;
  --radius-lg: 1.25rem;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --heading: #dbe7ef;
    --ink-soft: #9aa7b2;
    --accent-deep: #ffb066;
    --paper: #0b1420;
    --paper-raised: #101c2b;
    --paper-sunken: #081120;
    --line: #223146;
    --text: #e7edf2;
    --link: #ff7a1f;
    --shadow: 24px rgba(0, 0, 0, 0.38);
  }
}

:root[data-theme="dark"] {
  --heading: #dbe7ef;
  --ink-soft: #9aa7b2;
  --accent-deep: #ffb066;
  --paper: #0b1420;
  --paper-raised: #101c2b;
  --paper-sunken: #081120;
  --line: #223146;
  --text: #e7edf2;
  --link: #ff7a1f;
  --shadow: 24px rgba(0, 0, 0, 0.38);
}

* { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.65;
  font-size: 1rem;
  overflow-x: hidden;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Especificidad mínima a propósito: `:root:not([data-theme=...]) a` pesaba
   (0,2,1) y ganaba a .brand, .nav-link y .subnav-link, tiñendo de naranja
   todo el chrome. El cambio de tema va ahora en el token, no en el selector. */
a { color: var(--link); }

a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  text-wrap: balance;
  color: var(--heading);
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.wrap { width: min(92%, 72rem); margin: 0 auto; }
.wrap-narrow { width: min(92%, 46rem); margin: 0 auto; }

/* ---------- barra de progreso de lectura ---------- */

.read-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--accent), var(--accent-lift));
  z-index: 60;
  pointer-events: none;
}

/* ---------- chrome superior ---------- */

.site-chrome { position: sticky; top: 0; z-index: 40; }

.statusbar {
  background: var(--ink-abyss);
  color: var(--text-on-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  border-bottom: 1px solid rgba(255, 102, 0, 0.55);
}

.statusbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-2);
  padding: 0.4rem 0;
  overflow-x: auto;
  white-space: nowrap;
  scrollbar-width: none;
}

.statusbar .wrap::-webkit-scrollbar { height: 0; }

/* En pantallas estrechas no caben las dos mitades: se conserva la línea de
   marca y se retira el prompt decorativo, que no aporta información. */
@media (max-width: 40rem) {
  .statusbar { font-size: 0.66rem; }
  .statusbar .wrap { justify-content: center; }
  .statusbar .wrap > span:first-child { display: none; }
}

.statusbar .dot { color: var(--accent); }

.statusbar .cursor {
  display: inline-block;
  width: 0.5em; height: 1em;
  margin-left: 0.15em;
  vertical-align: -0.15em;
  background: var(--accent);
  animation: blink 1.1s steps(1) infinite;
}

@keyframes blink { 0%,49% { opacity: 1 } 50%,100% { opacity: 0 } }

.site-header {
  position: relative;
  background-color: var(--ink);
  color: var(--text-on-ink);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  transition: padding 260ms var(--ease), background-color 260ms var(--ease);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0.95rem 0;
  transition: padding 260ms var(--ease);
}

.site-chrome.is-condensed .site-header .wrap { padding: 0.5rem 0; }
.site-chrome.is-condensed .site-header { background-color: var(--ink-deep); }

.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  letter-spacing: -0.01em;
  color: var(--text-on-ink);
  text-decoration: none;
  white-space: nowrap;
}

.brand img { height: 1.7rem; width: auto; display: block; }

.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

nav.primary {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scrollbar-width: none;
}

nav.primary::-webkit-scrollbar { height: 0; }

/* Botón hamburguesa: solo existe en anchos estrechos. */
.nav-toggle {
  display: none;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  width: 2.4rem; height: 2.4rem;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
  color: var(--text-on-ink);
  cursor: pointer;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.nav-toggle:hover { background: rgba(255, 255, 255, 0.09); border-color: var(--accent); }

.nav-toggle-box { position: relative; display: block; width: 1.15rem; height: 0.8rem; }

.nav-toggle-box span {
  position: absolute;
  left: 0; right: 0;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  transition: transform 260ms var(--ease), opacity 160ms var(--ease);
}

.nav-toggle-box span:nth-child(1) { top: 0; }
.nav-toggle-box span:nth-child(2) { top: 50%; margin-top: -1px; }
.nav-toggle-box span:nth-child(3) { bottom: 0; }

.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(1) { transform: translateY(0.39rem) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle-box span:nth-child(3) { transform: translateY(-0.39rem) rotate(-45deg); }

.nav-link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--nav-muted);
  padding: 0.35rem 0;
  white-space: nowrap;
  transition: color 160ms var(--ease);
}

.nav-link::after {
  content: "";
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 2px;
  background: var(--accent);
  transition: right 220ms var(--ease);
}

.nav-link:hover { color: var(--text-on-ink); }
.nav-link:hover::after,
.nav-link[aria-current="page"]::after { right: 0; }
.nav-link[aria-current="page"] { color: var(--text-on-ink); }

.theme-toggle {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.4rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: transparent;
  color: var(--text-on-ink);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.theme-toggle:hover {
  background: rgba(255, 255, 255, 0.09);
  border-color: var(--accent);
}

.theme-toggle svg { width: 1rem; height: 1rem; flex: 0 0 auto; }

.theme-toggle-state {
  display: none;
  align-items: center;
  gap: 0.4rem;
}

/* Claro por defecto; oscuro gana explícito o por preferencia del sistema. */
.theme-toggle .state-moon { display: flex; }
.theme-toggle .state-sun { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle .state-moon { display: none; }
  :root:not([data-theme="light"]) .theme-toggle .state-sun { display: flex; }
}

:root[data-theme="dark"] .theme-toggle .state-moon { display: none; }
:root[data-theme="dark"] .theme-toggle .state-sun { display: flex; }
:root[data-theme="light"] .theme-toggle .state-moon { display: flex; }
:root[data-theme="light"] .theme-toggle .state-sun { display: none; }

/* ---------- navegación en móvil: panel desplegable ---------- */

@media (max-width: 52rem) {
  .nav-toggle { display: inline-flex; }

  nav.primary {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
    background: var(--ink-deep);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 20px 34px rgba(0, 0, 0, 0.42);
    max-height: 0;
    visibility: hidden;
    transition: max-height 300ms var(--ease), visibility 300ms;
  }

  nav.primary.is-open { max-height: 24rem; visibility: visible; }

  .nav-link {
    padding: 0.95rem var(--space-3);
    font-size: 0.82rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  }

  /* En columna, la señal de activo pasa de subrayado a barra lateral. */
  .nav-link::after {
    right: auto;
    left: 0; top: 0; bottom: 0;
    width: 3px; height: auto;
    transform: scaleX(0);
    transform-origin: left center;
    transition: transform 200ms var(--ease);
  }

  .nav-link:hover::after,
  .nav-link[aria-current="page"]::after { right: auto; transform: scaleX(1); }
}

/* ============================================================
   HERO — superficie de marca con parallax por capas
   ============================================================ */

.hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-deep);
  color: var(--text-on-ink);
  padding: var(--space-7) 0 var(--space-6);
  min-height: min(86vh, 46rem);
  display: flex;
  align-items: center;
}

.hero-layer {
  position: absolute;
  inset: -18% 0 -18% 0;
  z-index: -2;
  will-change: transform;
}

.hero-grid {
  background-image: url("img/hero-grid.svg");
  background-repeat: repeat;
  background-size: 240px 240px;
  opacity: 0.85;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 45%, #000 20%, transparent 78%);
  mask-image: radial-gradient(ellipse 90% 70% at 70% 45%, #000 20%, transparent 78%);
}

.hero-orb {
  z-index: -1;
  background:
    radial-gradient(38rem 30rem at 78% 38%, rgba(255, 102, 0, 0.20), transparent 68%),
    radial-gradient(34rem 28rem at 12% 78%, rgba(79, 122, 150, 0.28), transparent 70%);
}

/* Velo bajo el texto: garantiza contraste sobre la retícula. */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(100deg, var(--ink-deep) 6%, rgba(7, 24, 39, 0.86) 38%, rgba(7, 24, 39, 0.30) 66%, transparent 88%);
}

.hero-inner {
  display: grid;
  grid-template-columns: 1.35fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
  width: min(92%, 72rem);
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(3rem, 8.5vw, 6.4rem);
  line-height: 0.94;
  letter-spacing: -0.035em;
  margin: 0.4rem 0 var(--space-3);
  color: var(--text-on-ink);
}

.hero .lede {
  color: #cfdce7;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  max-width: 34rem;
  margin: 0 0 var(--space-4);
}

.hero .eyebrow { color: var(--accent-lift); }

.hero-portrait {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  will-change: transform;
}

.hero-portrait::before {
  content: "";
  position: absolute;
  inset: -1.1rem;
  border: 1px solid rgba(255, 138, 61, 0.5);
  border-radius: 50%;
}

.hero-portrait::after {
  content: "";
  position: absolute;
  inset: -2.4rem;
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 50%;
}

.hero-portrait img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
  border-radius: 50%;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.5);
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 2rem;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.scroll-cue-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent-lift);
  padding-left: 0.28em; /* compensa el tracking del último carácter */
}

.scroll-cue-ring {
  position: relative;
  display: grid;
  place-items: center;
  width: 3.3rem;
  height: 3.3rem;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: rgba(255, 102, 0, 0.12);
  color: var(--accent-lift);
  transition: background-color 200ms var(--ease), transform 200ms var(--ease);
}

.scroll-cue:hover .scroll-cue-ring {
  background: rgba(255, 102, 0, 0.26);
  transform: translateY(4px);
}

.scroll-cue-ring svg {
  width: 1.6rem;
  height: 1.6rem;
  animation: cue-bounce 1.6s var(--ease) infinite;
}

/* Halo que se expande: es lo que hace notoria la señal a distancia. */
.scroll-cue-ring::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  animation: cue-halo 1.8s ease-out infinite;
}

@keyframes cue-bounce {
  0%, 100% { transform: translateY(-5px); }
  50%      { transform: translateY(5px); }
}

@keyframes cue-halo {
  0%   { transform: scale(1); opacity: 0.75; }
  100% { transform: scale(2); opacity: 0; }
}

@media (max-width: 52rem) {
  .hero { min-height: auto; padding: var(--space-5) 0; }
  .hero-inner { grid-template-columns: 1fr; gap: var(--space-4); }
  .hero-portrait { max-width: 13rem; margin: 0 auto; order: -1; }
  .hero-portrait::after { inset: -1.6rem; }
  .scroll-cue { display: none; }
  .hero::before { background: linear-gradient(180deg, rgba(7,24,39,0.55), var(--ink-deep) 55%); }
}

/* ---------- banda de métricas ---------- */

.metrics {
  background: var(--ink);
  color: var(--text-on-ink);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: var(--space-4) 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: var(--space-3);
}

.metric { border-left: 2px solid var(--accent); padding-left: var(--space-2); }

.metric .value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 2.9rem);
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  display: block;
}

.metric .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-ink-soft);
  display: block;
  margin-top: 0.4rem;
}

/* ============================================================
   BANDAS DE CONTENIDO
   ============================================================ */

.band { padding: var(--space-6) 0; }
.band-sunken { background: var(--paper-sunken); }

.band-ink {
  background: var(--ink-deep);
  color: var(--text-on-ink);
}

.band-ink h1, .band-ink h2, .band-ink h3 { color: var(--text-on-ink); }

/* Las tarjetas siempre están sobre su propia superficie clara/oscura, no
   sobre el fondo de la banda: heredaban --text-on-ink de la regla de arriba
   y quedaban casi invisibles (gris sobre blanco) en tema claro. Título en
   naranja de acento, a pedido, en vez de volver al navy estándar. */
.band-ink .pillar-card h3,
.band-ink .decision-card h3,
.band-ink .action-card h3,
.band-ink .qa-item h3,
.band-ink .verdict h3,
.band-ink .activity-card h3 { color: var(--accent-deep); }

:root:not([data-theme="light"]) .band-ink .pillar-card h3,
:root:not([data-theme="light"]) .band-ink .decision-card h3,
:root:not([data-theme="light"]) .band-ink .action-card h3,
:root:not([data-theme="light"]) .band-ink .qa-item h3,
:root:not([data-theme="light"]) .band-ink .verdict h3,
:root:not([data-theme="light"]) .band-ink .activity-card h3 { color: var(--accent); }
.band-ink .lede { color: #cfdce7; }
.band-ink .eyebrow { color: var(--accent-lift); }

.page-head { padding: var(--space-6) 0 var(--space-4); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-deep);
  display: block;
  margin-bottom: var(--space-2);
}

:root:not([data-theme="light"]) .eyebrow { color: var(--accent); }

.page-title {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin: 0 0 var(--space-3);
}

.section-title { font-size: clamp(1.7rem, 3.2vw, 2.4rem); margin: 0 0 var(--space-3); }

.lede {
  font-size: clamp(1.05rem, 1.5vw, 1.22rem);
  color: var(--ink-soft);
  max-width: 44rem;
  margin: 0 0 var(--space-4);
}

.prose { max-width: 44rem; }
.prose p { margin: 0 0 var(--space-3); }
.prose h2 { font-size: 1.6rem; margin: var(--space-5) 0 var(--space-2); }
.prose ul { padding-left: 1.1rem; }
.prose li { margin-bottom: var(--space-2); }

/* ---------- tags ---------- */

.tag-row { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: var(--space-2) 0 0; }

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  padding: 0.35rem 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  color: #cfdce7;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.tag:hover { border-color: var(--accent); transform: translateY(-2px); }

/* ---------- callout ---------- */

.callout {
  border-left: 3px solid var(--accent);
  padding: var(--space-3);
  background: var(--paper-raised);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  margin: var(--space-4) 0;
  box-shadow: 0 10px var(--shadow);
}

.callout .eyebrow { margin-bottom: var(--space-1); }

/* ---------- historia de marca ---------- */

.brand-story {
  display: grid;
  grid-template-columns: 13rem 1fr;
  gap: var(--space-5);
  align-items: center;
}

.logo-plate {
  background: #d6e8f5;
  border: 1px solid #b9d4e8;
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: 0 14px var(--shadow);
}

.logo-plate img { width: 100%; display: block; }

.syllable { color: var(--accent-deep); font-weight: 700; }
:root:not([data-theme="light"]) .syllable { color: var(--accent); }
.band-ink .syllable { color: var(--accent-lift); }

@media (max-width: 46rem) {
  .brand-story { grid-template-columns: 1fr; gap: var(--space-3); }
  .logo-plate { max-width: 11rem; margin: 0 auto; }
}

/* ---------- tarjetas (pilares / decisiones) ---------- */

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.pillar-card,
.decision-card {
  position: relative;
  overflow: hidden;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-3) var(--space-3);
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.pillar-card::before,
.decision-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lift));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 320ms var(--ease);
}

.pillar-card:hover,
.decision-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 18px var(--shadow);
}

.pillar-card:hover::before,
.decision-card:hover::before { transform: scaleX(1); }

.pillar-card svg {
  color: var(--accent-deep);
  width: 1.9rem; height: 1.9rem;
  margin-bottom: var(--space-2);
}

:root:not([data-theme="light"]) .pillar-card svg { color: var(--accent); }

.pillar-card h3 { margin: 0 0 0.5rem; font-size: 1.25rem; }
.pillar-card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* ---------- ficha de datos ---------- */

.fact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr));
  gap: var(--space-4) var(--space-3);
  margin-top: var(--space-5);
}

.fact { border-top: 2px solid var(--accent); padding-top: var(--space-2); }

.fact dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.4rem;
}

.fact dd { margin: 0; font-size: 1rem; }

/* ---------- gráfico ---------- */

.chart-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  padding: var(--space-4);
  margin-bottom: var(--space-4);
  overflow-x: auto;
  box-shadow: 0 14px var(--shadow);
}

.chart-caption {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin: var(--space-3) 0 0;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
  margin-bottom: var(--space-3);
}

.chart-legend span { display: inline-flex; align-items: center; gap: 0.45rem; }
.chart-legend .swatch { width: 1rem; height: 2px; display: inline-block; }

.data-chart .grid-line { stroke: var(--line); stroke-width: 1; }

.data-chart .axis-label {
  font-family: var(--font-mono);
  font-size: 9px;
  fill: var(--ink-soft);
}

.data-chart .line-pactado {
  fill: none;
  stroke: var(--ink-soft);
  stroke-width: 2;
  stroke-dasharray: 4 3;
}

.data-chart .area-real { fill: url(#realFade); opacity: 0; transition: opacity 700ms var(--ease) 500ms; }
.is-visible .data-chart .area-real { opacity: 1; }

.data-chart .line-real {
  fill: none;
  stroke: var(--accent-deep);
  stroke-width: 2.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
}

.is-visible .data-chart .line-real {
  animation: draw 1500ms var(--ease) 220ms forwards;
}

@keyframes draw { to { stroke-dashoffset: 0 } }

:root:not([data-theme="light"]) .data-chart .line-real { stroke: var(--accent); }

.data-chart .endpoint { fill: var(--accent-deep); opacity: 0; transition: opacity 400ms var(--ease) 1500ms; }
.is-visible .data-chart .endpoint { opacity: 1; }
:root:not([data-theme="light"]) .data-chart .endpoint { fill: var(--accent); }

.data-chart .endpoint-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  fill: var(--heading);
  opacity: 0;
  transition: opacity 400ms var(--ease) 1600ms;
}

.is-visible .data-chart .endpoint-label { opacity: 1; }

/* ---------- tabla ---------- */

.data-log {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--paper-raised);
  box-shadow: 0 14px var(--shadow);
}

.data-log-scroll { overflow-x: auto; }

table.data-table { width: 100%; border-collapse: collapse; min-width: 42rem; }

table.data-table caption {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.05em;
  color: var(--ink-soft);
  padding: var(--space-2) var(--space-3) 0;
}

table.data-table th,
table.data-table td {
  text-align: left;
  padding: 0.85rem var(--space-3);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

table.data-table thead th {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border-bottom: 2px solid var(--accent);
}

table.data-table td.idx {
  font-family: var(--font-mono);
  color: var(--accent-deep);
  font-variant-numeric: tabular-nums;
  width: 3rem;
}

:root:not([data-theme="light"]) table.data-table td.idx { color: var(--accent); }
table.data-table tr:last-child td { border-bottom: none; }
table.data-table tbody tr { transition: background-color 140ms var(--ease); }
table.data-table tbody tr:hover { background-color: color-mix(in srgb, var(--accent) 7%, transparent); }

/* ---------- decisiones ---------- */

.decision-scale {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.decision-card { display: flex; flex-direction: column; gap: var(--space-2); }

.decision-card .horizon {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.decision-card .horizon-bar {
  height: 4px;
  border-radius: 2px;
  background: var(--line);
  position: relative;
  overflow: hidden;
  margin-top: 0.5rem;
}

.decision-card .horizon-bar span {
  position: absolute;
  inset: 0 auto 0 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-lift));
  border-radius: 2px;
  width: 0;
  transition: width 900ms var(--ease) 200ms;
}

.decision-card.is-visible[data-horizon="operativa"] .horizon-bar span { width: 20%; }
.decision-card.is-visible[data-horizon="tactica"] .horizon-bar span { width: 55%; }
.decision-card.is-visible[data-horizon="estrategica"] .horizon-bar span { width: 95%; }

.decision-card h3 { margin: 0; font-size: 1.3rem; }

.decision-card .justificacion {
  border-top: 1px dashed var(--line);
  padding-top: var(--space-2);
  margin-top: auto;
  font-size: 0.94rem;
  color: var(--ink-soft);
}

.decision-card .justificacion strong { color: var(--text); }

/* ---------- paginador ---------- */

.page-nav {
  padding: var(--space-5) 0;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

.page-nav a { text-decoration: none; transition: opacity 160ms var(--ease); }
.page-nav a:hover { text-decoration: underline; }
.page-nav .next { margin-left: auto; text-align: right; }

/* ---------- pie ---------- */

.site-footer {
  background-color: var(--ink-abyss);
  color: var(--on-ink-soft);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.03em;
  border-top: 1px solid rgba(255, 102, 0, 0.35);
}

.site-footer .wrap {
  padding: var(--space-4) 0;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.site-footer a { color: #cfe0eb; }

/* ============================================================
   MOVIMIENTO: revelados al scroll
   ============================================================ */

[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

[data-reveal="left"] { transform: translateX(-32px); }
[data-reveal="right"] { transform: translateX(32px); }
[data-reveal="scale"] { transform: scale(0.96); }

[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  [data-reveal] { opacity: 1; transform: none; }
  .hero-layer { transform: none !important; }
  .scroll-cue-ring svg,
  .scroll-cue-ring::after { animation: none; }
  .scroll-cue-ring::after { opacity: 0; }
}

/* ============================================================
   PORTAFOLIO — navegación secundaria, tarjetas de actividad,
   KPIs, gráficos y descargas (Actividad Integradora 2)
   ============================================================ */

.subnav {
  background: var(--ink-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.subnav .wrap {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0.15rem 0;
}

.subnav .wrap::-webkit-scrollbar { height: 0; }

.subnav-link {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--on-ink-soft);
  padding: 0.6rem 0;
  white-space: nowrap;
  transition: color 160ms var(--ease);
}

.subnav-link:hover { color: var(--text-on-ink); }

.subnav-link[aria-current="page"] { color: var(--accent-lift); }

.subnav-link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--accent);
}

/* ---------- tarjetas de actividad (portada) ---------- */

.activity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.activity-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  text-decoration: none;
  color: inherit;
  overflow: hidden;
  transition: transform 240ms var(--ease), box-shadow 240ms var(--ease), border-color 240ms var(--ease);
}

.activity-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lift));
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform 320ms var(--ease);
}

.activity-card:hover {
  transform: translateY(-6px);
  border-color: color-mix(in srgb, var(--accent) 45%, var(--line));
  box-shadow: 0 18px var(--shadow);
}

.activity-card:hover::before { transform: scaleX(1); }

.activity-card h3 { margin: 0; font-size: 1.4rem; }
.activity-card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

.activity-card .go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-deep);
}

:root:not([data-theme="light"]) .activity-card .go { color: var(--accent); }

/* ---------- KPIs (indicadores) ---------- */

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.kpi {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
}

.kpi .kpi-label {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  display: block;
}

.kpi .kpi-value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.9rem, 3.4vw, 2.5rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--heading);
  display: block;
  margin: 0.35rem 0 0.2rem;
}

.kpi .kpi-note { font-size: 0.88rem; color: var(--ink-soft); margin: 0; }
.kpi .kpi-formula {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  margin-top: var(--space-2);
  padding-top: 0.6rem;
  display: block;
  word-break: break-word;
}

.kpi.is-bad .kpi-value { color: #c0392b; }
:root:not([data-theme="light"]) .kpi.is-bad .kpi-value { color: #ff8a7a; }
.kpi.is-good .kpi-value { color: #1e7a4a; }
:root:not([data-theme="light"]) .kpi.is-good .kpi-value { color: #61d69b; }

/* ---------- descargas ---------- */

.download-row { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-3); }

.download {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.7rem 1.1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-raised);
  color: inherit;
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.download:hover { border-color: var(--accent); transform: translateY(-2px); }
.download svg { width: 1rem; height: 1rem; color: var(--accent-deep); }
:root:not([data-theme="light"]) .download svg { color: var(--accent); }

/* ---------- gráficos generados ---------- */

.chart-grid-line { stroke: var(--line); stroke-width: 1; }
.chart-axis { font-family: var(--font-mono); font-size: 10px; fill: var(--ink-soft); }
.chart-value { font-family: var(--font-mono); font-size: 10px; fill: var(--heading); font-weight: 500; }

.bar-pactado { fill: var(--ink-soft); }
.bar-real    { fill: var(--accent-deep); }
:root:not([data-theme="light"]) .bar-real { fill: var(--accent); }

.bar-grow { transform: scaleY(0); transform-origin: bottom; transition: transform 900ms var(--ease); }
.is-visible .bar-grow { transform: scaleY(1); }

.dot-point { fill: var(--accent-deep); opacity: 0.62; }
:root:not([data-theme="light"]) .dot-point { fill: var(--accent); }
.trend-line { fill: none; stroke: var(--heading); stroke-width: 2; stroke-dasharray: 5 4; }

.pareto-bar { fill: var(--accent-deep); }
:root:not([data-theme="light"]) .pareto-bar { fill: var(--accent); }
.pareto-line { fill: none; stroke: var(--heading); stroke-width: 2; }
.pareto-dot { fill: var(--heading); }
.ref-line { stroke: #c0392b; stroke-width: 1.5; stroke-dasharray: 6 4; }
:root:not([data-theme="light"]) .ref-line { stroke: #ff8a7a; }

/* ---------- preguntas de interpretación ---------- */

.qa { margin-top: var(--space-4); }

.qa-item {
  border-left: 3px solid var(--accent);
  background: var(--paper-raised);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-3);
  margin-bottom: var(--space-3);
  box-shadow: 0 10px var(--shadow);
}

.qa-item h3 { margin: 0 0 var(--space-2); font-size: 1.2rem; }
.qa-item p:last-child { margin-bottom: 0; }

/* ---------- bloque de transcripción de IA ---------- */

.transcript {
  background: var(--ink-abyss);
  color: #cfdce7;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.7;
  max-height: 32rem;
  overflow-y: auto;
  white-space: pre-wrap;
  margin-top: var(--space-3);
}

.transcript strong { color: var(--accent-lift); font-weight: 500; }

.verdict-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.verdict {
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--paper-raised);
  padding: var(--space-3);
}

.verdict h3 { margin: 0 0 0.6rem; font-size: 1.05rem; }
.verdict ul { margin: 0; padding-left: 1.1rem; font-size: 0.92rem; color: var(--ink-soft); }
.verdict li { margin-bottom: 0.6rem; }
.verdict.ok { border-top: 3px solid #1e7a4a; }
.verdict.warn { border-top: 3px solid var(--accent); }
.verdict.no { border-top: 3px solid #c0392b; }

/* ============================================================
   MOVIMIENTO INTERNO — escalonado de hijos, insignias y detalle
   ============================================================ */

/* Los hijos de un contenedor entran en cascada; el retardo lo fija el JS
   con --i para no depender de nth-child hasta un número arbitrario. */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
  transition-delay: calc(var(--i, 0) * 80ms);
}

[data-stagger].is-visible > * { opacity: 1; transform: none; }

/* El contenedor marcado por el JS solo sirve de disparador: no se anima él
   mismo, o el bloque entero se desvanecería además de sus hijos. */
[data-reveal="plain"] { opacity: 1; transform: none; transition: none; }

/* Insignia de actividad: cumple el requisito académico sin romper el tono. */
.activity-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--accent);
  border-radius: 999px;
  color: var(--accent-deep);
  margin-bottom: var(--space-2);
}

:root:not([data-theme="light"]) .activity-badge { color: var(--accent); }
.band-ink .activity-badge, .hero .activity-badge { color: var(--accent-lift); }

.activity-badge::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  animation: badge-pulse 2.4s ease-out infinite;
}

@keyframes badge-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.35; transform: scale(1.5); }
}

/* Subrayado que se dibuja bajo los títulos de sección al aparecer. */
.section-title.underlined { position: relative; padding-bottom: 0.6rem; }

.section-title.underlined::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  height: 3px; width: 3.5rem;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lift));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 700ms var(--ease) 180ms;
}

[data-reveal].is-visible .section-title.underlined::after,
.is-visible.section-title.underlined::after { transform: scaleX(1); }

/* Puntos de la dispersión: aparecen en cascada. */
.is-visible .dot-point {
  animation: dot-pop 420ms var(--ease) backwards;
}

@keyframes dot-pop {
  from { opacity: 0; transform: scale(0.2); transform-box: fill-box; transform-origin: center; }
  to   { opacity: 0.62; transform: scale(1); }
}

/* Línea acumulada del Pareto: se dibuja. */
.pareto-line {
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
}

.is-visible .pareto-line { animation: draw 1400ms var(--ease) 420ms forwards; }

.pareto-dot, .chart-value { opacity: 0; transition: opacity 420ms var(--ease); }
.is-visible .pareto-dot, .is-visible .chart-value { opacity: 1; transition-delay: 900ms; }

/* Fila de tabla resaltada al pasar: refuerza la lectura de datos. */
.data-table tbody tr { position: relative; }

/* Las tarjetas de veredicto marcan su naturaleza con un icono de color. */
.verdict h3::before {
  content: "";
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 2px;
  margin-right: 0.55rem;
  vertical-align: middle;
}

.verdict.ok h3::before   { background: #1e7a4a; }
.verdict.warn h3::before { background: var(--accent); }
.verdict.no h3::before   { background: #c0392b; }

@media (prefers-reduced-motion: reduce) {
  [data-stagger] > * { opacity: 1; transform: none; }
  .activity-badge::before,
  .is-visible .dot-point { animation: none; }
  .section-title.underlined::after { transform: scaleX(1); }
  .pareto-dot, .chart-value { opacity: 1; }
  .is-visible .pareto-line { animation: none; stroke-dashoffset: 0; }
}

/* ---------- etiqueta académica bajo el rótulo del menú ---------- */

nav.primary { align-items: center; }

.nav-link {
  display: flex;
  flex-direction: column;
  gap: 0.12rem;
  line-height: 1.2;
}

.nav-link-tag {
  font-size: 0.63rem;
  letter-spacing: 0.1em;
  color: var(--accent);
  text-transform: none;
}

.nav-link[aria-current="page"] .nav-link-tag { color: var(--accent-lift); }

@media (max-width: 52rem) {
  /* En el panel desplegable la etiqueta va debajo con el mismo sangrado. */
  .nav-link { gap: 0.15rem; }
  .nav-link-tag { font-size: 0.66rem; }
}

/* El paginador inferior sí se lee como enlace de acento. */
.page-nav a { color: var(--link); }

/* ============================================================
   INTEGRADORA 3 — diagrama causa-problema-consecuencia,
   matriz de alternativas, escenarios y cronograma
   ============================================================ */

.diagram-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  box-shadow: 0 14px var(--shadow);
  overflow-x: auto;
}

.diagram-node rect {
  fill: var(--paper-sunken);
  stroke: var(--line);
  stroke-width: 1.4;
}

.diagram-node.diagram-problem rect {
  fill: color-mix(in srgb, var(--accent) 10%, var(--paper-sunken));
  stroke: var(--accent);
  stroke-width: 2;
}

.diagram-eyebrow {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  fill: var(--accent-deep);
}

:root:not([data-theme="light"]) .diagram-eyebrow { fill: var(--accent); }

.diagram-problem .diagram-eyebrow {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.diagram-text {
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 600;
  fill: var(--heading);
}

.diagram-problem .diagram-text { font-size: 13.5px; }

.diagram-arrow {
  fill: none;
  stroke: var(--ink-soft);
  stroke-width: 1.6;
  opacity: 0.7;
}

.diagram-arrowhead { fill: var(--ink-soft); opacity: 0.7; }

/* Las flechas se dibujan al aparecer, como el resto de los gráficos. */
.diagram-arrow {
  stroke-dasharray: 260;
  stroke-dashoffset: 260;
}

.is-visible.diagram-arrow { animation: draw 700ms var(--ease) forwards; }

/* ---------- matriz de alternativas ---------- */

.matrix-score {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2.4rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.matrix-score.s-alta { background: color-mix(in srgb, #1e7a4a 16%, transparent); color: #1e7a4a; }
.matrix-score.s-media { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent-deep); }
.matrix-score.s-baja { background: color-mix(in srgb, #c0392b 16%, transparent); color: #c0392b; }

:root:not([data-theme="light"]) .matrix-score.s-media { color: var(--accent); }
:root:not([data-theme="light"]) .matrix-score.s-baja { color: #ff8a7a; }
:root:not([data-theme="light"]) .matrix-score.s-alta { color: #61d69b; }

.matrix-total {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  font-variant-numeric: tabular-nums;
}

tr.matrix-winner td {
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  border-top: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
}

tr.matrix-winner td:first-child { border-left: 2px solid var(--accent); }
tr.matrix-winner td:last-child { border-right: 2px solid var(--accent); }

/* ---------- objetivos y acciones (propuesta de mejora) ---------- */

.objective-list {
  display: grid;
  gap: var(--space-2);
  margin: var(--space-3) 0;
  list-style: none;
  padding: 0;
  counter-reset: obj;
}

.objective-list li {
  counter-increment: obj;
  position: relative;
  padding: var(--space-2) var(--space-3) var(--space-2) 3.2rem;
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  /* Explícito: sin esto hereda el blanco de .band-ink cuando la lista vive
     ahí (referencias), texto blanco sobre tarjeta blanca. */
  color: var(--text);
}

.objective-list li a { color: var(--link); word-break: break-word; }

.objective-list li::before {
  content: counter(obj);
  position: absolute;
  left: 0.9rem; top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--accent-deep);
  font-size: 1.1rem;
}

:root:not([data-theme="light"]) .objective-list li::before { color: var(--accent); }

.action-card {
  background: var(--paper-raised);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: var(--space-3);
  margin-bottom: var(--space-3);
}

.action-card h3 { margin: 0 0 var(--space-2); font-size: 1.15rem; }

.action-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--line);
}

.action-meta dt {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.2rem;
}

.action-meta dd { margin: 0; font-size: 0.92rem; }

/* ---------- escenarios A/B ---------- */

.scenario-cols {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: var(--space-3);
  margin: var(--space-4) 0;
}

.scenario-card {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--line);
}

.scenario-card.scenario-a { background: color-mix(in srgb, #c0392b 6%, var(--paper-raised)); border-top: 3px solid #c0392b; }
.scenario-card.scenario-b { background: color-mix(in srgb, #1e7a4a 6%, var(--paper-raised)); border-top: 3px solid #1e7a4a; }

.scenario-card h3 { margin-top: 0; }

/* ---------- transcripción de prompt (IA, actividad 3) ---------- */

.prompt-block {
  background: var(--paper-sunken);
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
  white-space: pre-wrap;
  margin: var(--space-2) 0 var(--space-4);
}

/* ---------- cronograma (Gantt sencillo) ---------- */

.gantt {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper-raised);
  padding: var(--space-4);
  margin: var(--space-4) 0;
  box-shadow: 0 14px var(--shadow);
  overflow-x: auto;
}

.gantt-row {
  display: grid;
  grid-template-columns: 12rem 1fr;
  align-items: center;
  gap: var(--space-2);
  min-width: 40rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line);
}

.gantt-row:last-child { border-bottom: none; }

.gantt-label { font-size: 0.88rem; }

.gantt-track {
  position: relative;
  height: 1.6rem;
  background: var(--paper-sunken);
  border-radius: 999px;
}

.gantt-bar {
  position: absolute;
  top: 0; bottom: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-lift));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 900ms var(--ease) 200ms;
}

.is-visible .gantt-bar { transform: scaleX(1); }

.gantt-months {
  display: grid;
  grid-template-columns: 12rem 1fr;
  gap: var(--space-2);
  min-width: 40rem;
  margin-bottom: 0.4rem;
}

.gantt-months-track {
  display: grid;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.gantt-continues {
  position: absolute;
  right: 0.3rem; top: 50%;
  transform: translateY(-50%);
  color: var(--paper-raised);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
}