/* ==========================================================================
   Metalegal — hoja de estilos global (Fase 1)
   Sitio estático. Sin dependencias de build. Mobile-first.
   Paleta oficial de marca únicamente.
   ========================================================================== */

/* ---------- Tokens de marca ---------- */
:root {
  /* Colores oficiales */
  --color-azul-oscuro: #050a30;
  --color-gris-claro: #f4f2f6;
  --color-azul-grisaceo: #afc1d0;
  --color-blanco: #ffffff;

  /* Derivados utilitarios (mezclas de los oficiales, no colores nuevos) */
  --azul-oscuro-90: rgba(5, 10, 48, 0.90);
  --azul-oscuro-08: rgba(5, 10, 48, 0.08);
  --azul-oscuro-04: rgba(5, 10, 48, 0.04);
  --azul-grisaceo-30: rgba(175, 193, 208, 0.30);
  --azul-grisaceo-15: rgba(175, 193, 208, 0.15);

  /* Tipografía */
  --font-titulares: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-cuerpo: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  /* Escala tipográfica fluida */
  --fs-hero: clamp(2.25rem, 1.4rem + 4vw, 4rem);
  --fs-h1: clamp(1.9rem, 1.3rem + 2.6vw, 3rem);
  --fs-h2: clamp(1.5rem, 1.15rem + 1.6vw, 2.25rem);
  --fs-h3: clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem);
  --fs-body: clamp(1rem, 0.97rem + 0.15vw, 1.125rem);
  --fs-small: 0.875rem;

  /* Espaciados */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2.5rem;
  --space-6: 4rem;
  --space-7: 6rem;

  --radius: 14px;
  --radius-sm: 8px;
  --max-width: 1180px;
  --header-h: 76px;

  --shadow-sm: 0 2px 10px rgba(5, 10, 48, 0.06);
  --shadow-md: 0 14px 40px rgba(5, 10, 48, 0.10);

  /* Curvas de easing por tipo de movimiento (no una sola para todo) */
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);      /* entradas/salidas: tarjetas, menú móvil, flechas */
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);   /* elementos en movimiento continuo: barras, progreso */
  --ease-hover: ease;                                /* cambios de color/fondo en hover */
}

/* ---------- Reset ligero ---------- */
*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 1rem); }

body {
  margin: 0;
  font-family: var(--font-cuerpo);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--color-azul-oscuro);
  background: var(--color-gris-claro);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-titulares);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
  color: var(--color-azul-oscuro);
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }

p { margin: 0 0 var(--space-3); }

a { color: var(--color-azul-oscuro); text-decoration-color: var(--color-azul-grisaceo); text-underline-offset: 3px; }
a:hover { text-decoration-color: var(--color-azul-oscuro); }

ul { margin: 0 0 var(--space-3); padding-left: 1.2em; }
li { margin-bottom: var(--space-2); }

/* Accesibilidad: foco visible */
:focus-visible {
  outline: 3px solid var(--color-azul-oscuro);
  outline-offset: 2px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--color-azul-oscuro);
  color: var(--color-blanco);
  padding: var(--space-2) var(--space-3);
  z-index: 200;
  border-radius: 0 0 var(--radius-sm) 0;
}
.skip-link:focus { left: 0; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

/* ---------- Layout ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.section { padding-block: var(--space-6); }
.section--tight { padding-block: var(--space-5); }
.section--dark {
  background: var(--color-azul-oscuro);
  color: var(--color-gris-claro);
}
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: var(--color-blanco); }
.section--grisaceo { background: var(--azul-grisaceo-15); }
.section--blanco { background: var(--color-blanco); }

.eyebrow {
  display: inline-block;
  font-family: var(--font-cuerpo);
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #3a4a6b; /* azul oscuro aclarado, mantiene contraste AA sobre fondos claros */
  margin-bottom: var(--space-2);
}
.section--dark .eyebrow { color: var(--color-azul-grisaceo); }

.lead { font-size: 1.15em; max-width: 62ch; }
.measure { max-width: 68ch; }
.center { text-align: center; }
.mx-auto { margin-inline: auto; }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-family: var(--font-cuerpo);
  font-weight: 600;
  font-size: 1rem;
  line-height: 1;
  padding: 0.9em 1.5em;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: transform 160ms var(--ease-out), background 200ms var(--ease-hover), color 200ms var(--ease-hover), border-color 200ms var(--ease-hover);
}
@media (hover: hover) and (pointer: fine) {
  .btn:hover { transform: translateY(-2px); }
}
.btn:active { transform: scale(0.97); transition-duration: 120ms; }
.btn--primary {
  background: var(--color-azul-oscuro);
  color: var(--color-blanco);
}
.btn--primary:hover { background: #0a1352; }
.btn--secondary {
  background: transparent;
  color: var(--color-azul-oscuro);
  border-color: var(--color-azul-oscuro);
}
.btn--secondary:hover { background: var(--azul-oscuro-08); }
.section--dark .btn--secondary {
  color: var(--color-blanco);
  border-color: var(--color-azul-grisaceo);
}
.section--dark .btn--secondary:hover { background: rgba(255, 255, 255, 0.12); }
.btn--light {
  background: var(--color-blanco);
  color: var(--color-azul-oscuro);
}
.btn--light:hover { background: var(--color-gris-claro); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--space-3); }

/* ---------- Header / navegación ---------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--header-h);
  background: rgba(244, 242, 246, 0.85);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid var(--azul-grisaceo-30);
  z-index: 100;
}
.site-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.brand { display: inline-flex; align-items: center; }
.brand img { height: 40px; width: auto; }

.nav-toggle {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: 0;
  cursor: pointer;
  padding: 10px;
  margin-right: -10px;
}
.nav-toggle span {
  width: 26px; height: 2px;
  background: var(--color-azul-oscuro);
  transition: transform 220ms var(--ease-in-out), opacity 160ms var(--ease-hover);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
}
.main-nav a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.98rem;
  color: var(--color-azul-oscuro);
  padding-block: 0.4em;
  position: relative;
}
.main-nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 2px;
  background: var(--color-azul-oscuro);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 200ms var(--ease-out);
}
.main-nav a[aria-current="page"]::after { transform: scaleX(1); }
@media (hover: hover) and (pointer: fine) {
  .main-nav a:hover::after { transform: scaleX(1); }
}
.main-nav a[aria-current="page"] { font-weight: 700; }
.main-nav .btn { color: var(--color-blanco); }
.main-nav .btn::after { display: none; }

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; }
  .main-nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    background: var(--color-gris-claro);
    border-bottom: 1px solid var(--azul-grisaceo-30);
    padding: var(--space-4);
    transform: translateY(-120%);
    transition: transform 240ms var(--ease-out);
    box-shadow: var(--shadow-md);
  }
  .main-nav.is-open { transform: translateY(0); }
  .main-nav ul { flex-direction: column; align-items: stretch; gap: var(--space-3); }
  .main-nav .btn { justify-content: center; }
}
@media (min-width: 861px) {
  .nav-toggle { display: none; }
  .main-nav { display: block !important; transform: none !important; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + var(--space-6));
  padding-bottom: var(--space-6);
  background:
    radial-gradient(120% 120% at 100% 0%, var(--azul-grisaceo-15) 0%, transparent 55%),
    var(--color-gris-claro);
}
.hero h1 { font-size: var(--fs-hero); max-width: 20ch; }
.hero .lead { margin-bottom: var(--space-4); }
.page-hero {
  position: relative;
  overflow: hidden;
  padding-top: calc(var(--header-h) + var(--space-5));
  padding-bottom: var(--space-5);
}
.hero > .container,
.page-hero > .container { position: relative; z-index: 1; }

/* Fondo animado del hero: líneas que se dibujan al cargar + drift continuo sutil */
.hero-lines {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}
.hero-lines svg {
  width: 100%;
  height: 100%;
  display: block;
  transform-origin: center;
  animation: hero-drift 26s var(--ease-in-out) infinite alternate;
}
.hero-lines path {
  fill: none;
  stroke: var(--color-azul-oscuro);
  stroke-width: 1.6;
  stroke-linecap: round;
  opacity: 0.12;
  stroke-dasharray: 1;
  stroke-dashoffset: 1;
  animation: hero-draw 1.6s var(--ease-out) forwards;
}
.hero-lines path:nth-child(1) { animation-delay: 0ms; }
.hero-lines path:nth-child(2) { animation-delay: 90ms; }
.hero-lines path:nth-child(3) { animation-delay: 180ms; }
.hero-lines path:nth-child(4) { animation-delay: 270ms; }
.hero-lines path:nth-child(5) { animation-delay: 360ms; }
.hero-lines path:nth-child(6) { animation-delay: 450ms; }

@keyframes hero-draw {
  to { stroke-dashoffset: 0; }
}
@keyframes hero-drift {
  from { transform: scale(1.02) translate(0, 0); }
  to { transform: scale(1.07) translate(-1.5%, -1%); }
}

/* Entrada escalonada del texto del hero: corre al cargar, no depende de scroll/IO */
.hero-in {
  opacity: 0;
  transform: translateY(18px);
  animation: hero-in 700ms var(--ease-out) both;
}
p.eyebrow.hero-in { animation-delay: 40ms; }
h1.hero-in { animation-delay: 130ms; }
p.lead.hero-in { animation-delay: 220ms; }
.btn-row.hero-in { animation-delay: 310ms; }

@keyframes hero-in {
  from { opacity: 0; transform: translateY(18px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  .hero-lines svg { animation: none; transform: none; }
  .hero-lines path { animation: none; stroke-dashoffset: 0; }
}

/* ---------- Grids y tarjetas ---------- */
.grid { display: grid; gap: var(--space-4); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }

.card {
  background: var(--color-blanco);
  border: 1px solid var(--azul-grisaceo-30);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
}
.card h3 { margin-bottom: var(--space-2); }
.card__icon {
  width: 52px; height: 52px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--color-azul-oscuro);
  color: var(--color-blanco);
  margin-bottom: var(--space-3);
}
.card__icon svg { width: 26px; height: 26px; }
.card__link {
  display: inline-flex; align-items: center; gap: 0.35em;
  font-weight: 600; text-decoration: none; font-size: 0.95rem;
  margin-top: var(--space-2);
}
.card__link .arrow { display: inline-block; transition: transform 200ms var(--ease-out); }
@media (hover: hover) and (pointer: fine) {
  .card__link:hover .arrow { transform: translateX(4px); }
}

.section-head { max-width: 60ch; margin-bottom: var(--space-5); }
.section-head.center { margin-inline: auto; }

/* ---------- CTA final ---------- */
.cta-band { text-align: center; }
.cta-band .btn-row { justify-content: center; }

/* ---------- Metodología: diagrama de pilares ---------- */
.pilares-diagram {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr));
  gap: var(--space-3);
  margin-block: var(--space-5);
}
.pilar-node {
  position: relative;
  background: var(--color-blanco);
  border: 1px solid var(--azul-grisaceo-30);
  border-top: 4px solid var(--color-azul-oscuro);
  border-radius: var(--radius);
  padding: var(--space-4);
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 220ms var(--ease-out), box-shadow 220ms var(--ease-out);
}
@media (hover: hover) and (pointer: fine) {
  .pilar-node:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
}
.pilar-node .num {
  display: inline-grid; place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-azul-oscuro);
  color: var(--color-blanco);
  font-family: var(--font-titulares);
  font-weight: 600;
  margin-bottom: var(--space-2);
}
.pilar-node h3 { font-size: 1.15rem; margin-bottom: var(--space-1); }
.pilar-node p { font-size: 0.92rem; margin: 0; color: #3a4a6b; }

.pilar-detail {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-4);
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--azul-grisaceo-30);
  align-items: start;
}
.pilar-detail:last-child { border-bottom: 0; }
.pilar-detail .num {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 50%;
  background: var(--azul-grisaceo-15);
  border: 2px solid var(--color-azul-oscuro);
  font-family: var(--font-titulares);
  font-size: 1.5rem;
  font-weight: 600;
}
.isotipo-support {
  display: grid; place-items: center;
  padding: var(--space-5);
}
.isotipo-support img { width: min(240px, 60%); opacity: 0.95; }

/* ---------- Sobre mí ---------- */
.bio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}
@media (min-width: 860px) {
  .bio-grid { grid-template-columns: 320px 1fr; }
}
.foto-placeholder {
  aspect-ratio: 4 / 5;
  border: 2px dashed var(--color-azul-grisaceo);
  border-radius: var(--radius);
  display: grid;
  place-items: center;
  text-align: center;
  padding: var(--space-4);
  color: #3a4a6b;
  background: var(--azul-grisaceo-15);
  font-size: var(--fs-small);
}
.credencial-list {
  list-style: none; padding: 0; margin: var(--space-4) 0 0;
  display: grid; gap: var(--space-3);
}
.credencial-list li {
  padding-left: 1.6em; position: relative; margin: 0;
}
.credencial-list li::before {
  content: "◆";
  position: absolute; left: 0; top: 0.1em;
  color: var(--color-azul-grisaceo);
}
.testimonio-placeholder {
  border: 2px dashed var(--color-azul-grisaceo);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: var(--azul-grisaceo-15);
  font-style: italic;
  color: #3a4a6b;
}

/* ---------- Servicios ---------- */
.servicio {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--azul-grisaceo-30);
  scroll-margin-top: calc(var(--header-h) + 1rem);
}
.servicio:last-of-type { border-bottom: 0; }
.servicio__meta {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}
@media (min-width: 760px) {
  .servicio__meta { grid-template-columns: repeat(2, 1fr); }
}
.info-block h4 {
  font-family: var(--font-cuerpo);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: var(--fs-small);
  color: #3a4a6b;
  margin-bottom: var(--space-1);
}

/* ---------- Formularios ---------- */
.form-field { margin-bottom: var(--space-4); }
.form-field label { display: block; font-weight: 600; margin-bottom: var(--space-1); }
.form-field input,
.form-field textarea {
  width: 100%;
  font: inherit;
  padding: 0.75em 0.9em;
  border: 1px solid var(--color-azul-grisaceo);
  border-radius: var(--radius-sm);
  background: var(--color-blanco);
  color: var(--color-azul-oscuro);
}
.form-field textarea { min-height: 140px; resize: vertical; }
.form-field input:focus,
.form-field textarea:focus { outline: 3px solid var(--color-azul-oscuro); outline-offset: 1px; }
.form-note { font-size: var(--fs-small); color: #3a4a6b; }

.placeholder-flag {
  display: block;
  border: 1px dashed var(--color-azul-grisaceo);
  background: var(--azul-grisaceo-15);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
  font-size: var(--fs-small);
  color: #3a4a6b;
  margin-bottom: var(--space-4);
}

/* ---------- Autodiagnóstico ---------- */
.diag-shell { max-width: 760px; margin-inline: auto; }
.diag-progress {
  display: flex; align-items: center; gap: var(--space-2);
  margin-bottom: var(--space-4);
  font-size: var(--fs-small);
  color: #3a4a6b;
}
.diag-progress__bar {
  flex: 1; height: 8px; border-radius: 99px;
  background: var(--azul-grisaceo-30); overflow: hidden;
}
.diag-progress__fill {
  height: 100%; width: 100%;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--color-azul-oscuro);
  transition: transform 280ms var(--ease-in-out);
}
.diag-step { display: none; }
.diag-step.is-active { display: block; animation: fade-up 320ms var(--ease-out) both; }
.diag-question { margin-bottom: var(--space-4); }
.diag-question > p { font-weight: 600; margin-bottom: var(--space-2); }
.diag-options { display: grid; gap: var(--space-2); }
.diag-option {
  display: flex; align-items: flex-start; gap: 0.7em;
  border: 1px solid var(--color-azul-grisaceo);
  border-radius: var(--radius-sm);
  padding: 0.8em 1em;
  cursor: pointer;
  transition: border-color 180ms var(--ease-hover), background 180ms var(--ease-hover);
}
@media (hover: hover) and (pointer: fine) {
  .diag-option:hover { background: var(--azul-grisaceo-15); }
}
.diag-option input { margin-top: 0.35em; accent-color: var(--color-azul-oscuro); }
.diag-option:has(input:checked) {
  border-color: var(--color-azul-oscuro);
  background: var(--azul-oscuro-04);
  box-shadow: inset 0 0 0 1px var(--color-azul-oscuro);
}
.diag-nav { display: flex; justify-content: space-between; gap: var(--space-3); margin-top: var(--space-5); }
.diag-error { color: #7a1020; font-weight: 600; font-size: var(--fs-small); margin-top: var(--space-2); }

/* Resultados */
.result-score {
  text-align: center;
  padding: var(--space-5);
  border-radius: var(--radius);
  background: var(--color-azul-oscuro);
  color: var(--color-blanco);
  margin-bottom: var(--space-5);
}
.result-score .num {
  font-family: var(--font-titulares);
  font-size: clamp(3rem, 2rem + 6vw, 5rem);
  line-height: 1;
  display: block;
}
.result-score .nivel { font-size: 1.3rem; font-weight: 600; color: var(--color-azul-grisaceo); }

.bars { display: grid; gap: var(--space-3); margin-block: var(--space-4); }
.bar-row { display: grid; grid-template-columns: 130px 1fr auto; gap: var(--space-3); align-items: center; }
.bar-track { height: 16px; border-radius: 99px; background: var(--azul-grisaceo-30); overflow: hidden; }
.bar-fill {
  height: 100%; width: 100%; border-radius: 99px;
  background: var(--color-azul-oscuro);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.9s var(--ease-in-out);
}
.bar-row .lbl { font-size: 0.95rem; font-weight: 600; }
.bar-row .val { font-variant-numeric: tabular-nums; font-size: var(--fs-small); color: #3a4a6b; }
@media (max-width: 520px) {
  .bar-row { grid-template-columns: 1fr auto; }
  .bar-row .bar-track { grid-column: 1 / -1; order: 3; }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-azul-oscuro);
  color: var(--color-gris-claro);
  padding-block: var(--space-6) var(--space-4);
}
.site-footer a { color: var(--color-azul-grisaceo); text-decoration: none; }
.site-footer a:hover { color: var(--color-blanco); text-decoration: underline; }
.footer-grid {
  display: grid;
  gap: var(--space-5);
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
}
.footer-grid h4 { color: var(--color-blanco); font-family: var(--font-cuerpo); font-size: var(--fs-small); text-transform: uppercase; letter-spacing: 0.1em; }
.footer-grid img { height: 42px; margin-bottom: var(--space-3); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: var(--space-2); }
.footer-bottom {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(175, 193, 208, 0.25);
  font-size: var(--fs-small);
  color: var(--color-azul-grisaceo);
  display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between;
}

/* ---------- Animación fade-in en scroll ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 600ms var(--ease-out), transform 600ms var(--ease-out); }
.reveal.is-visible { opacity: 1; transform: none; }

/* Stagger: elementos de un mismo grid o diagrama entran en cascada, no todos a la vez */
.grid > .reveal:nth-child(1),
.pilares-diagram > .reveal:nth-child(1) { transition-delay: 0ms; }
.grid > .reveal:nth-child(2),
.pilares-diagram > .reveal:nth-child(2) { transition-delay: 60ms; }
.grid > .reveal:nth-child(3),
.pilares-diagram > .reveal:nth-child(3) { transition-delay: 120ms; }
.grid > .reveal:nth-child(4),
.pilares-diagram > .reveal:nth-child(4) { transition-delay: 180ms; }
.grid > .reveal:nth-child(5),
.pilares-diagram > .reveal:nth-child(5) { transition-delay: 240ms; }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ---------- v2: autorización de datos y escala del autodiagnóstico ---------- */
.form-check label {
  display: flex; align-items: flex-start; gap: 0.6em;
  font-weight: 400; font-size: var(--fs-small); line-height: 1.5;
}
.form-check input[type="checkbox"] {
  width: auto; flex: 0 0 auto; margin-top: 0.3em;
  accent-color: var(--color-azul-oscuro);
}
.diag-options--scale .diag-option small { color: #3a4a6b; font-size: 0.85rem; line-height: 1.4; }
@media (min-width: 900px) {
  .diag-options--scale { grid-template-columns: repeat(5, 1fr); }
  .diag-options--scale .diag-option { flex-direction: column; gap: 0.4em; padding: 0.8em; }
  .diag-options--scale .diag-option input { margin-top: 0; }
}
.legal-text h2 { margin-top: var(--space-5); font-size: 1.4rem; }
.legal-text ul { padding-left: 1.2em; }

/* ---------- v2.1: contraste, elementos y ADN ---------- */
.hero.section--dark {
  background:
    radial-gradient(120% 120% at 100% 0%, rgba(175, 193, 208, 0.16) 0%, transparent 55%),
    var(--color-azul-oscuro);
}
.section--dark .hero-lines path { stroke: var(--color-azul-grisaceo); opacity: 0.22; }
.section--dark .lead { color: var(--color-gris-claro); }
.section--dark .pilar-node h3 { color: var(--color-azul-oscuro); }
.section--dark .pilar-node { border-top-color: var(--color-azul-grisaceo); }
.elementos-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 200px), 1fr)); }
.pilar-node .pregunta { font-style: italic; font-weight: 600; color: var(--color-azul-oscuro); margin-bottom: var(--space-2); }

.adn-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr));
  gap: var(--space-5);
  align-items: center;
}
.adn-list { list-style: none; padding: 0; margin: var(--space-4) 0 0; display: grid; gap: var(--space-2); }
.adn-list li {
  display: flex; align-items: center; gap: 0.8em;
  padding: 0.75em 1em;
  border: 1px solid var(--azul-grisaceo-30);
  border-left: 4px solid var(--color-azul-grisaceo);
  border-radius: var(--radius-sm);
  background: var(--color-blanco);
  font-weight: 600;
  animation: adn-hl 8s infinite;
}
.adn-n {
  display: inline-grid; place-items: center; flex: 0 0 auto;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--color-azul-oscuro); color: var(--color-blanco);
  font-size: 0.9rem;
}
.adn-visual svg { width: 100%; max-width: 380px; display: block; margin-inline: auto; overflow: visible; }
.adn-dot circle { fill: var(--color-azul-oscuro); stroke: var(--color-blanco); stroke-width: 5; }
.adn-dot text { fill: var(--color-blanco); font: 700 22px/1 Inter, system-ui, sans-serif; text-anchor: middle; }
.adn-dot { transform-box: fill-box; transform-origin: center; animation: adn-pulse 8s infinite; }
.adn-dot:nth-of-type(1), .adn-list li:nth-child(1) { animation-delay: 0s; }
.adn-dot:nth-of-type(2), .adn-list li:nth-child(2) { animation-delay: 2s; }
.adn-dot:nth-of-type(3), .adn-list li:nth-child(3) { animation-delay: 4s; }
.adn-dot:nth-of-type(4), .adn-list li:nth-child(4) { animation-delay: 6s; }
@keyframes adn-pulse {
  0%, 25%, 100% { transform: scale(1); }
  6%, 19% { transform: scale(1.3); }
}
@keyframes adn-hl {
  0%, 25%, 100% { border-left-color: var(--color-azul-grisaceo); box-shadow: none; }
  6%, 19% { border-left-color: var(--color-azul-oscuro); box-shadow: var(--shadow-sm); }
}
@media (prefers-reduced-motion: reduce) {
  .adn-dot, .adn-list li { animation: none; }
}

/* ---------- Testimonios ---------- */
.testimonio {
  margin: 0;
  background: var(--color-blanco);
  border: 1px solid var(--azul-grisaceo-30);
  border-top: 4px solid var(--color-azul-oscuro);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--space-3);
}
.testimonio blockquote {
  margin: 0;
  font-family: var(--font-titulares);
  font-size: 1.15rem;
  line-height: 1.5;
  color: var(--color-azul-oscuro);
}
.testimonio figcaption { font-weight: 600; color: #3a4a6b; }

/* ---------- Foto de perfil ---------- */
.foto-perfil {
  display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
}