/* ==========================================================================
   Personitas del Milenio — Design System
   ds.css · Estilos del doc site (siempre light, sin dark mode)
   Fase 2 — Foundations · mobile-first · CSS Grid + Flexbox
   ========================================================================== */

/* --- Reset acotado ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: calc(var(--header-height) + var(--space-4)); }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: var(--line-normal);
  color: var(--color-text-primary);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-text-primary); text-underline-offset: 3px; }
code { font-family: var(--font-mono); font-size: 0.9em; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: 0.1em 0.45em; }
:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); border-radius: var(--radius-sm); }

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

/* --- Jerarquía tipográfica del doc site --------------------------------- */
/* H1–H4 display (Fredoka) · H5–H6 texto (Nunito) */
h1, h2, h3, h4 { font-family: var(--font-display); line-height: var(--line-tight); letter-spacing: var(--tracking-tight); color: var(--color-text-primary); text-wrap: balance; }
h5, h6 { font-family: var(--font-body); color: var(--color-text-primary); text-wrap: balance; }
h5 { font-weight: var(--weight-semibold); line-height: var(--line-snug); }
h6 { font-weight: var(--weight-bold); line-height: var(--line-snug); }
p { text-wrap: pretty; }

/* Escala modular global del doc site */
h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

/* ============================ Header ==================================== */
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--color-surface) 88%, transparent);
  backdrop-filter: saturate(160%) blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  max-width: var(--layout-max); margin: 0 auto; padding: var(--space-3) var(--layout-gutter);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: inherit; }
.brand__logo { width: 132px; height: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-family: var(--font-display); font-weight: var(--weight-semibold); font-size: 1.05rem; }
.brand__sub { font-size: var(--font-size-caption); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-text-secondary); }

.site-nav { display: flex; gap: var(--space-4); flex-wrap: wrap; }
.site-nav a { font-size: var(--font-size-small); font-weight: var(--weight-medium); text-decoration: none; color: var(--color-text-secondary); padding: var(--space-1) 0; border-bottom: 2px solid transparent; }
.site-nav a:hover { color: var(--color-text-primary); border-bottom-color: var(--color-accent); }

/* ============================ Layout =================================== */
main { display: block; }
.section, .hero { max-width: var(--layout-max); margin: 0 auto; padding: var(--space-11) var(--layout-gutter); }

.hero { padding-top: var(--space-11); }
.eyebrow, .section__kicker {
  font-family: var(--font-mono); font-size: var(--font-size-caption); letter-spacing: var(--tracking-wide);
  text-transform: uppercase; color: var(--color-accent-strong); margin: 0 0 var(--space-3);
}
.hero__title { font-size: var(--font-size-h1); margin: 0 0 var(--space-4); max-width: 16ch; }
.hero__lead { font-size: var(--font-size-lead); max-width: 65ch; color: var(--color-text-secondary); margin: 0 0 var(--space-6); }
.hero__meta { list-style: none; display: flex; flex-wrap: wrap; gap: var(--space-3); margin: 0; padding: 0; }
.hero__meta li { display: flex; flex-direction: column; gap: 2px; padding: var(--space-3) var(--space-4); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); min-width: 160px; }
.hero__meta-key { font-size: var(--font-size-caption); text-transform: uppercase; letter-spacing: var(--tracking-wide); color: var(--color-text-secondary); }
.hero__meta-val { font-weight: var(--weight-semibold); }

.section__head { max-width: 70ch; margin-bottom: var(--space-7); }
.section__head h2 { margin: 0 0 var(--space-3); }
.section__desc { color: var(--color-text-secondary); margin: 0; }
.section + .section { border-top: 1px solid var(--color-border); }

/* Subsecciones de Fase 2 */
.subsection { padding-top: var(--space-8); border-top: 1px solid var(--color-border); margin-top: var(--space-8); }
.subsection:first-of-type { border-top: 0; margin-top: 0; padding-top: 0; }
.subsection__title { font-size: var(--font-size-h4); margin: 0 0 var(--space-2); }
.subsection__desc { color: var(--color-text-secondary); margin: 0 0 var(--space-6); max-width: 70ch; }

/* ============================ Swatches (Fase 1) ======================== */
.swatches { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.swatch { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-3); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.swatch__chip { display: block; height: 56px; border-radius: var(--radius-sm); background: var(--swatch, var(--color-surface)); border: 1px solid color-mix(in srgb, var(--color-text-primary) 10%, transparent); }
.swatch__name { font-weight: var(--weight-semibold); font-size: var(--font-size-small); }
.swatch__hex { font-size: var(--font-size-caption); color: var(--color-text-secondary); background: none; border: 0; padding: 0; }

/* ============================ Paleta semántica ========================= */
.roles { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.role { display: flex; gap: var(--space-3); align-items: center; padding: var(--space-3); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.role__chip { flex: 0 0 auto; width: 52px; height: 52px; border-radius: var(--radius-md); background: var(--swatch); border: 1px solid color-mix(in srgb, var(--color-text-primary) 12%, transparent); }
.role__meta { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.role__name { font-weight: var(--weight-semibold); font-size: var(--font-size-small); }
.role__hex { font-size: var(--font-size-caption); color: var(--color-text-secondary); background: none; border: 0; padding: 0; }

/* Badges de contraste */
.badge { align-self: flex-start; font-size: var(--font-size-caption); font-weight: var(--weight-semibold); border-radius: var(--radius-pill); padding: 2px 8px; border: 1px solid transparent; }
.badge--aa { background: color-mix(in srgb, var(--color-lime) 26%, #fff); color: #2E4A19; border-color: color-mix(in srgb, var(--color-lime) 55%, #fff); }
.badge--large { background: color-mix(in srgb, var(--color-canary) 26%, #fff); color: #6B4A00; border-color: color-mix(in srgb, var(--color-canary) 55%, #fff); }
.badge--deco { background: var(--color-gray-200); color: var(--color-gray-700); border-color: var(--color-gray-300); }
.badge--na { background: var(--color-gray-200); color: var(--color-gray-700); }

.roles__subtitle { font-family: var(--font-body); font-weight: var(--weight-bold); font-size: var(--font-size-h6); margin: var(--space-7) 0 var(--space-3); }
.roles__subtitle-note { font-weight: var(--weight-regular); font-size: var(--font-size-small); color: var(--color-text-secondary); }

/* Escala neutra */
.grays { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); }
.gray { display: flex; flex-direction: column; gap: var(--space-2); }
.gray__chip { display: block; height: 60px; border-radius: var(--radius-md); background: var(--swatch); border: 1px solid color-mix(in srgb, var(--color-text-primary) 12%, transparent); }
.gray code { font-size: var(--font-size-caption); color: var(--color-text-secondary); background: none; border: 0; padding: 0; }

/* ============================ Escala tipográfica ====================== */
.type-scale { display: flex; flex-direction: column; }
.type-scale__row { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-5) 0; border-bottom: 1px solid var(--color-border); }
.type-scale__row:last-child { border-bottom: 0; }
.type-scale__label { font-size: var(--font-size-small); font-weight: var(--weight-semibold); color: var(--color-text-primary); }
/* El spec usa el token secundario + tamaño small para no competir con la muestra */
.type-scale__spec { font-size: var(--font-size-small); color: var(--color-text-secondary); background: none; border: 0; padding: 0; }
.type-scale__row p { margin: 0; }

.ts-h1 { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h1); line-height: var(--line-tight); letter-spacing: var(--tracking-tight); }
.ts-h2 { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h2); line-height: var(--line-tight); letter-spacing: var(--tracking-tight); }
.ts-h3 { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h3); line-height: var(--line-snug); }
.ts-h4 { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h4); line-height: var(--line-snug); }
.ts-h5 { font-family: var(--font-body); font-weight: var(--weight-semibold); font-size: var(--font-size-h5); line-height: var(--line-snug); }
.ts-h6 { font-family: var(--font-body); font-weight: var(--weight-bold); font-size: var(--font-size-h6); line-height: var(--line-snug); }
.ts-p  { font-family: var(--font-body); font-weight: var(--weight-regular); font-size: var(--font-size-body); line-height: var(--line-normal); color: var(--color-text-primary); }
.ts-small { font-family: var(--font-body); font-size: var(--font-size-small); line-height: var(--line-normal); color: var(--color-text-secondary); }
.ts-caption { font-family: var(--font-body); font-weight: var(--weight-semibold); font-size: var(--font-size-caption); line-height: var(--line-normal); letter-spacing: var(--tracking-wide); text-transform: uppercase; color: var(--color-text-secondary); }

/* ============================ Espaciado =============================== */
.space-scale { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.space-scale__row { display: grid; grid-template-columns: 92px 1fr auto; align-items: center; gap: var(--space-3); }
.space-scale__token { font-size: var(--font-size-caption); color: var(--color-text-secondary); background: none; border: 0; padding: 0; }
.space-scale__bar { display: block; height: 18px; width: var(--w); min-width: 4px; border-radius: var(--radius-sm); background: linear-gradient(90deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 60%, var(--color-secondary))); }

/* ============================ Radios y sombras ======================== */
.radius-scale { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
.radius-demo { display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-start; }
.radius-demo__box { display: block; width: 100%; height: 84px; background: var(--color-surface); border: 2px solid var(--color-primary); box-shadow: var(--shadow-sm); }

.shadow-scale { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-5); grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); }
.shadow-demo { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-5); background: var(--color-surface); border-radius: var(--radius-lg); }
.shadow-demo span { font-weight: var(--weight-semibold); font-family: var(--font-mono); font-size: var(--font-size-small); }

/* ============================ Comparativa tipográfica (Fase 1) ========= */
.compare { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 900px) { .compare { grid-template-columns: 1fr 1fr; gap: var(--space-6); align-items: start; } }

.option { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); }
.option__head { margin-bottom: var(--space-5); padding-bottom: var(--space-4); border-bottom: 1px solid var(--color-border); }
.option__tag {
  display: inline-block; font-family: var(--font-mono); font-size: var(--font-size-caption); letter-spacing: var(--tracking-wide);
  text-transform: uppercase; color: var(--color-text-inverse); background: var(--color-text-primary); border-radius: var(--radius-pill);
  padding: 4px 12px; margin: 0 0 var(--space-3);
}
.option[data-option="b"] .option__tag { background: var(--color-accent-strong); }
.option__title { font-size: var(--font-size-h4); margin: 0 0 var(--space-2); }
.option__plus { color: var(--color-accent); font-weight: var(--weight-regular); }
.option__note { margin: 0; color: var(--color-text-secondary); font-size: var(--font-size-small); }

.specimen { display: flex; flex-direction: column; gap: var(--space-5); }
.specimen__row { display: flex; flex-direction: column; gap: var(--space-2); }
.specimen__label {
  font-family: var(--font-mono); font-size: var(--font-size-caption); letter-spacing: var(--tracking-wide);
  text-transform: uppercase; color: var(--color-text-secondary);
}
.specimen__row p { margin: 0; }
.specimen__controls { display: flex; flex-wrap: wrap; gap: var(--space-3); }

.type-h1 { font-family: var(--font-display); font-weight: var(--weight-semibold); font-size: var(--font-size-h3); line-height: var(--line-tight); letter-spacing: var(--tracking-tight); }
.type-h2 { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h4); line-height: var(--line-tight); }
.type-h3 { font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h5); line-height: var(--line-snug); }
.type-p  { font-family: var(--font-body); font-size: var(--font-size-body); line-height: var(--line-normal); color: var(--color-text-primary); }

/* ============================ Botones ================================= */
.btn {
  --btn-bg: transparent;
  --btn-fg: var(--color-text-primary);
  --btn-border: transparent;
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-family: var(--font-body); font-weight: var(--weight-semibold);
  font-size: var(--font-size-small); line-height: 1;
  border-radius: var(--radius-pill);
  border: 2px solid var(--btn-border);
  background: var(--btn-bg); color: var(--btn-fg);
  cursor: pointer; text-decoration: none; white-space: nowrap;
  min-height: var(--control-h-md); padding: 0 var(--space-5);
  transition: background-color .14s ease, border-color .14s ease, color .14s ease, box-shadow .14s ease, transform .14s ease;
}
/* Tamaños (alturas por token) */
.btn--sm { min-height: var(--control-h-sm); padding: 0 var(--space-4); font-size: var(--font-size-small); }
.btn--md { min-height: var(--control-h-md); padding: 0 var(--space-5); font-size: var(--font-size-body); }
.btn--lg { min-height: var(--control-h-lg); padding: 0 var(--space-6); font-size: var(--font-size-body); }

/* Variantes */
.btn--primary  { --btn-bg: var(--color-text-primary); --btn-fg: var(--color-text-inverse); }
.btn--secondary{ --btn-bg: var(--color-primary);      --btn-fg: var(--color-text-primary); }
.btn--accent   { --btn-bg: var(--color-accent-strong);--btn-fg: var(--color-text-inverse); }
.btn--outline  { --btn-bg: transparent; --btn-fg: var(--color-text-primary); --btn-border: var(--color-text-primary); }
.btn--ghost    { --btn-bg: transparent; --btn-fg: var(--color-text-primary); }

/* Hover (elevación sutil + color) */
.btn:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn--primary:hover  { --btn-bg: var(--color-gray-800); }
.btn--secondary:hover{ --btn-bg: color-mix(in srgb, var(--color-primary) 85%, #fff); }
.btn--accent:hover   { --btn-bg: color-mix(in srgb, var(--color-accent) 85%, #000); }
.btn--outline:hover  { --btn-bg: color-mix(in srgb, var(--color-text-primary) 8%, #fff); }
.btn--ghost:hover    { --btn-bg: color-mix(in srgb, var(--color-text-primary) 8%, #fff); box-shadow: none; transform: none; }

/* Focus visible — anillo 2px + offset 2px (tokens) */
.btn:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
}
/* Active = pressed (más oscuro, sin elevación) */
.btn:active { transform: translateY(0); box-shadow: none; }
.btn--primary:active  { --btn-bg: var(--color-gray-900); }
.btn--secondary:active{ --btn-bg: color-mix(in srgb, var(--color-primary) 78%, #fff); }
.btn--accent:active   { --btn-bg: color-mix(in srgb, var(--color-accent) 75%, #000); }
.btn--outline:active  { --btn-bg: color-mix(in srgb, var(--color-text-primary) 16%, #fff); }
.btn--ghost:active    { --btn-bg: color-mix(in srgb, var(--color-text-primary) 16%, #fff); }

/* Disabled */
.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: .5; cursor: not-allowed; box-shadow: none; transform: none;
}
.btn:disabled:hover,
.btn[aria-disabled="true"]:hover { box-shadow: none; transform: none; }

/* Loading (spinner CSS) */
.btn.is-loading { color: transparent !important; position: relative; pointer-events: none; }
.btn.is-loading::after {
  content: ""; position: absolute; width: 1em; height: 1em; border-radius: 50%;
  border: 2px solid currentColor; border-color: transparent; border-top-color: var(--color-surface);
  animation: btn-spin .7s linear infinite;
}
.btn.is-loading.btn--outline::after,
.btn.is-loading.btn--ghost::after { border-top-color: var(--color-text-primary); }
@keyframes btn-spin { to { transform: rotate(360deg); } }

.btn__icon { font-size: 1.15em; line-height: 1; }

/* Estados forzados (para el PDF y para la doc: sin hover real) */
.btn.is-hover               { box-shadow: var(--shadow-md); transform: translateY(-1px); }
.btn--primary.is-hover   { --btn-bg: var(--color-gray-800); }
.btn--secondary.is-hover { --btn-bg: color-mix(in srgb, var(--color-primary) 85%, #fff); }
.btn--accent.is-hover    { --btn-bg: color-mix(in srgb, var(--color-accent) 85%, #000); }
.btn--outline.is-hover   { --btn-bg: color-mix(in srgb, var(--color-text-primary) 8%, #fff); }
.btn--ghost.is-hover     { --btn-bg: color-mix(in srgb, var(--color-text-primary) 8%, #fff); box-shadow: none; transform: none; }

.btn.is-focus {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
}
.btn.is-active { transform: translateY(0); box-shadow: none; }
.btn--primary.is-active  { --btn-bg: var(--color-gray-900); }
.btn--secondary.is-active{ --btn-bg: color-mix(in srgb, var(--color-primary) 80%, #fff); }
.btn--accent.is-active   { --btn-bg: color-mix(in srgb, var(--color-accent) 75%, #000); }
.btn--outline.is-active  { --btn-bg: color-mix(in srgb, var(--color-text-primary) 16%, #fff); }
.btn--ghost.is-active    { --btn-bg: color-mix(in srgb, var(--color-text-primary) 16%, #fff); }

/* ============================ Formularios ============================= */
.field { display: flex; flex-direction: column; gap: var(--space-2); max-width: 400px; width: 100%; }
.field__label { font-family: var(--font-body); font-weight: var(--weight-semibold); font-size: var(--font-size-small); color: var(--color-text-primary); }
.field__label .field__req { color: var(--color-accent); }

.field__wrap { position: relative; display: flex; align-items: center; }
.field__wrap .field__icon { position: absolute; left: var(--space-4); font-size: var(--icon-sm); color: var(--color-text-secondary); pointer-events: none; }
.field__wrap .field__icon--trail { left: auto; right: var(--space-4); }

.field__input, .field__select, .field__textarea {
  width: 100%;
  font-family: var(--font-body); font-size: var(--font-size-body); color: var(--color-text-primary);
  min-height: var(--control-h-md);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  transition: border-color .14s ease, box-shadow .14s ease;
}
.field__textarea { min-height: 96px; resize: vertical; padding-top: var(--space-3); }
.field__wrap .field__input { padding-left: var(--space-9); }
.field__wrap--trail .field__input { padding-left: var(--space-4); padding-right: var(--space-9); }

.field__input::placeholder, .field__textarea::placeholder { color: var(--color-text-secondary); }

/* Foco con anillo (2px + offset) */
.field__input:focus-visible, .field__select:focus-visible, .field__textarea:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-color: var(--color-focus-ring);
}
.field.is-focus .field__input,
.field.is-focus .field__select,
.field.is-focus .field__textarea {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
  border-color: var(--color-focus-ring);
}

.field__hint { margin: 0; font-size: var(--font-size-caption); color: var(--color-text-secondary); }

/* Select nativo estilizado */
.field__select {
  appearance: none; -webkit-appearance: none;
  padding-right: var(--space-9);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 256 256' fill='%23203860'><path d='M213.66 101.66l-80 80a8 8 0 0 1-11.32 0l-80-80a8 8 0 0 1 11.32-11.32L128 164.69l74.34-74.35a8 8 0 0 1 11.32 11.32z'/></svg>");
  background-repeat: no-repeat; background-position: right var(--space-4) center;
  cursor: pointer;
}

/* Estado de error */
.field--error .field__input, .field--error .field__select, .field--error .field__textarea {
  border-color: var(--color-accent);
}
.field--error .field__input:focus-visible,
.field--error .field__select:focus-visible,
.field--error .field__textarea:focus-visible,
.field--error.is-focus .field__input {
  outline-color: var(--color-accent); border-color: var(--color-accent);
}
.field__error { display: flex; align-items: center; gap: var(--space-1); margin: 0; font-size: var(--font-size-caption); font-weight: var(--weight-semibold); color: var(--color-accent-strong); }

/* --- Checkbox y Radio ------------------------------------------------- */
.check { display: inline-flex; align-items: center; gap: var(--space-3); cursor: pointer; min-height: var(--control-target-min); font-size: var(--font-size-body); color: var(--color-text-primary); }
.check input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.check__box {
  flex: 0 0 auto; width: 24px; height: 24px; display: grid; place-items: center;
  border: 2px solid var(--color-border-strong); border-radius: var(--radius-sm);
  background: var(--color-surface); transition: background-color .12s ease, border-color .12s ease;
}
.check__box::after { content: ""; width: 12px; height: 12px; transform: scale(0); transition: transform .12s ease; }
.check input[type="checkbox"] + .check__box { border-radius: var(--radius-sm); }
.check input[type="checkbox"] + .check__box::after { background: var(--color-surface); clip-path: polygon(14% 46%, 0 60%, 38% 100%, 100% 22%, 86% 8%, 38% 72%); }
.check input[type="radio"] + .check__box { border-radius: 50%; }
.check input[type="radio"] + .check__box::after { border-radius: 50%; background: var(--color-surface); }

.check input:checked + .check__box { background: var(--color-primary); border-color: var(--color-primary); }
.check input:checked + .check__box::after { transform: scale(1); }
.check input:focus-visible + .check__box { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.check.is-focus .check__box { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.check:has(input:disabled) { opacity: .5; cursor: not-allowed; }

/* --- Toggle switch ---------------------------------------------------- */
.switch { display: inline-flex; align-items: center; gap: var(--space-3); cursor: pointer; min-height: var(--control-target-min); font-size: var(--font-size-body); color: var(--color-text-primary); }
.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.switch__track {
  flex: 0 0 auto; width: 48px; height: 28px; border-radius: var(--radius-pill);
  background: var(--color-gray-400); position: relative; transition: background-color .16s ease;
}
.switch__track::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: #fff; box-shadow: var(--shadow-sm); transition: transform .16s ease;
}
.switch input:checked + .switch__track { background: var(--color-lime); }
.switch input:checked + .switch__track::after { transform: translateX(20px); }
.switch input:focus-visible + .switch__track { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.switch.is-focus .switch__track { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.switch:has(input:disabled) { opacity: .5; cursor: not-allowed; }

/* ============================ Tabla comparativa ======================= */
.table-wrap { overflow-x: auto; border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 560px; }
.compare-table th, .compare-table td { text-align: left; padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); vertical-align: top; }
.compare-table thead th { background: var(--color-text-primary); color: var(--color-text-inverse); font-family: var(--font-display); font-size: var(--font-size-small); letter-spacing: 0; }
.compare-table tbody th { font-weight: var(--weight-semibold); color: var(--color-text-primary); }
.compare-table tbody tr:nth-child(even) { background: var(--color-bg); }
.compare-table tbody tr:last-child th, .compare-table tbody tr:last-child td { border-bottom: 0; }

.note { margin-top: var(--space-6); padding: var(--space-4); background: var(--color-bg); border-left: 4px solid var(--color-secondary); border-radius: var(--radius-sm); color: var(--color-text-secondary); font-size: var(--font-size-small); }

/* ============================ Footer ================================== */
.site-footer { border-top: 1px solid var(--color-border); background: var(--color-bg); }
.site-footer__inner { max-width: var(--layout-max); margin: 0 auto; padding: var(--space-8) var(--layout-gutter); display: grid; gap: var(--space-4); }
.site-footer__brand { display: flex; align-items: center; gap: var(--space-3); margin: 0; font-family: var(--font-display); font-weight: var(--weight-medium); }
.site-footer__brand img { width: 96px; }
.pager { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.pager__item { font-size: var(--font-size-caption); color: var(--color-text-secondary); border: 1px solid var(--color-border); border-radius: var(--radius-pill); padding: 4px 12px; background: var(--color-surface); }
.pager__item--current { background: var(--color-text-primary); color: var(--color-text-inverse); border-color: var(--color-text-primary); }
.site-footer__meta { margin: 0; font-size: var(--font-size-caption); color: var(--color-text-secondary); }

/* ======================================================================
   FASE 3 · BRAND ASSETS
   ====================================================================== */

/* --- 3.1 Logo --------------------------------------------------------- */
.logo-showcase { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .logo-showcase { grid-template-columns: 1fr 1fr; } }
.logo-card { margin: 0; display: flex; flex-direction: column; gap: var(--space-4); align-items: center; justify-content: center; padding: var(--space-7) var(--space-5); border-radius: var(--radius-lg); border: 1px solid var(--color-border); }
.logo-card--light { background: var(--color-surface); }
.logo-card--dark { background: var(--color-text-primary); border-color: var(--color-text-primary); }
.logo-card img { width: min(100%, 360px); height: auto; }
.logo-card figcaption { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: center; font-size: var(--font-size-small); color: var(--color-text-secondary); }
.logo-card--dark figcaption { color: color-mix(in srgb, #fff 80%, transparent); }
.logo-card--dark figcaption code { background: color-mix(in srgb, #fff 14%, transparent); border-color: color-mix(in srgb, #fff 25%, transparent); color: #fff; }

.chip { font-size: var(--font-size-caption); font-weight: var(--weight-semibold); border-radius: var(--radius-pill); padding: 2px 10px; border: 1px solid transparent; }
.chip--ok { background: color-mix(in srgb, var(--color-lime) 24%, #fff); color: #2E4A19; border-color: color-mix(in srgb, var(--color-lime) 50%, #fff); }

.rules__subtitle { font-family: var(--font-body); font-weight: var(--weight-bold); font-size: var(--font-size-h6); margin: var(--space-8) 0 var(--space-3); }
.rules__note { color: var(--color-text-secondary); font-size: var(--font-size-small); max-width: 65ch; margin: 0 0 var(--space-5); }
.rules__note-inline { font-weight: var(--weight-regular); color: var(--color-text-secondary); }

/* Clear space */
.clearspace { position: relative; display: inline-flex; flex-direction: column; gap: var(--space-4); max-width: 100%; }
.clearspace__frame {
  position: relative;
  display: inline-block;
  padding: var(--space-7);
  border: 2px dashed var(--color-primary);
  border-radius: var(--radius-md);
  background:
    repeating-linear-gradient(0deg, transparent 0 7px, color-mix(in srgb, var(--color-primary) 22%, transparent) 7px 8px) padding-box,
    repeating-linear-gradient(90deg, transparent 0 7px, color-mix(in srgb, var(--color-primary) 22%, transparent) 7px 8px) padding-box;
}
.clearspace__frame img { display: block; width: 300px; max-width: 100%; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-2); }
.clearspace__label--x { position: absolute; top: -10px; left: calc(var(--space-7) / 2); transform: translateX(-50%); background: var(--color-primary); color: #fff; font-size: var(--font-size-caption); font-weight: var(--weight-bold); border-radius: var(--radius-sm); padding: 1px 8px; z-index: 1; }
.clearspace__axis { position: absolute; background: var(--color-primary); }
.clearspace__axis--h { top: 50%; left: 0; right: 0; height: 1px; opacity: .35; }
.clearspace__axis--v { left: 50%; top: 0; bottom: 0; width: 1px; opacity: .35; }
.clearspace__caption { margin: 0; font-size: var(--font-size-small); color: var(--color-text-secondary); }

/* Tamaños mínimos */
.logo-sizes { display: flex; flex-wrap: wrap; gap: var(--space-6); align-items: flex-end; }
.logo-size { margin: 0; display: flex; flex-direction: column; gap: var(--space-3); align-items: flex-start; }
.logo-size img { height: auto; }
.logo-size figcaption { font-size: var(--font-size-small); color: var(--color-text-secondary); display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-start; }
.logo-size--print::before { content: ""; display: block; width: 120px; height: 62px; border: 2px dashed var(--color-border-strong); border-radius: var(--radius-sm); background: repeating-linear-gradient(45deg, var(--color-surface), var(--color-surface) 6px, var(--color-bg) 6px, var(--color-bg) 12px); }

/* Usos incorrectos */
.misuse-grid { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 560px) { .misuse-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px) { .misuse-grid { grid-template-columns: repeat(4, 1fr); } }
.misuse { position: relative; display: flex; flex-direction: column; gap: var(--space-3); padding: var(--space-4); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.misuse__frame { display: flex; align-items: center; justify-content: center; height: 96px; overflow: hidden; border-radius: var(--radius-sm); background: var(--color-bg); border: 1px solid var(--color-border); }
.misuse__frame img { width: 150px; height: auto; }
.misuse__frame--lowcontrast { background: var(--color-primary); }
.misuse__badge { position: absolute; top: var(--space-3); right: var(--space-3); width: 24px; height: 24px; display: grid; place-items: center; border-radius: var(--radius-pill); background: var(--color-accent); color: #fff; font-weight: var(--weight-bold); font-size: var(--font-size-small); }
.misuse__text { margin: 0; font-size: var(--font-size-small); color: var(--color-text-primary); }
.misuse--stretch { transform: scaleX(1.7); }
.misuse--recolor { filter: grayscale(1) brightness(.5); }
.misuse--rotate { transform: rotate(-12deg); }

/* --- 3.2 Iconografía -------------------------------------------------- */
.callout { background: var(--color-bg); border: 1px solid var(--color-border); border-left: 4px solid var(--color-primary); border-radius: var(--radius-md); padding: var(--space-5); margin: 0 0 var(--space-7); }
.callout__title { margin: 0 0 var(--space-3); font-weight: var(--weight-bold); font-family: var(--font-body); }
.callout__code { margin: 0 0 var(--space-3); padding: var(--space-4); background: var(--color-text-primary); color: #fff; border-radius: var(--radius-md); overflow-x: auto; }
.callout__code code { background: none; border: 0; color: inherit; font-size: var(--font-size-small); padding: 0; }
.callout__meta { margin: 0; font-size: var(--font-size-small); color: var(--color-text-secondary); }

.icon-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-3); }
@media (min-width: 640px) { .icon-grid { grid-template-columns: repeat(6, 1fr); } }
.icon-cell { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: var(--space-2); aspect-ratio: 1 / 1; padding: var(--space-3); background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-md); color: var(--color-text-primary); }
.icon-cell i { font-size: var(--icon-md); line-height: 1; }
.icon-cell span { font-size: var(--font-size-caption); color: var(--color-text-secondary); }

.icon-sizes, .icon-colors { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-6); align-items: flex-end; }
.icon-size, .icon-color { display: flex; flex-direction: column; align-items: center; gap: var(--space-2); color: var(--color-text-primary); }
.icon-size i, .icon-color i { line-height: 1; }
.icon-color i { font-size: var(--icon-lg); }

/* --- 3.3 / 3.4 Do's & Don'ts ------------------------------------------ */
.dos-donts { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 720px) { .dos-donts { grid-template-columns: 1fr 1fr; } }
.dd { padding: var(--space-5); border-radius: var(--radius-lg); border: 1px solid var(--color-border); background: var(--color-surface); }
.dd--do { border-top: 4px solid var(--color-lime); }
.dd--dont { border-top: 4px solid var(--color-accent); }
.dd__title { display: flex; align-items: center; gap: var(--space-2); margin: 0 0 var(--space-4); font-family: var(--font-body); font-weight: var(--weight-bold); font-size: var(--font-size-h5); }
.dd__icon { font-size: var(--icon-md); line-height: 1; }
.dd__icon--do { color: var(--color-lime); }
.dd__icon--dont { color: var(--color-accent); }
.dd__list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.dd__list li { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--font-size-small); color: var(--color-text-primary); }
.dd__mark { flex: 0 0 auto; font-size: var(--font-size-h5); line-height: 1.3; }
.dd__mark--do { color: var(--color-primary); }
.dd__mark--dont { color: var(--color-accent); }

/* ======================================================================
   FASE 4A · laboratorio de componentes (doc)
   ====================================================================== */
.demo-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .demo-grid--2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .demo-grid--3 { grid-template-columns: repeat(3, 1fr); } }

.demo {
  display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}
.demo__label {
  font-family: var(--font-mono); font-size: var(--font-size-caption);
  letter-spacing: var(--tracking-wide); text-transform: uppercase;
  color: var(--color-text-secondary); margin: 0;
}
.demo__row { display: flex; flex-wrap: wrap; gap: var(--space-3); align-items: center; }

/* Columna de estado (etiqueta + control) para matriz de botones */
.state-matrix { display: grid; gap: var(--space-3); grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
.state-cell { display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-start; }
.state-cell .demo__label { margin: 0; }

/* Formularios: 100% en móvil, columnas en desktop */
.form-grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 720px) { .form-grid--2 { grid-template-columns: 1fr 1fr; } }
.form-actions { display: grid; gap: var(--space-3); }
@media (min-width: 720px) { .form-actions { grid-template-columns: auto auto; justify-content: start; } }

/* Nota accesible y bloques de handoff */
.demo__note { margin: 0; font-size: var(--font-size-caption); color: var(--color-text-secondary); }

/* ======================================================================
   FASE 4B · TARJETAS, BANNERS Y NAVEGACIÓN
   ====================================================================== */

/* --- Cards ------------------------------------------------------------ */
.card-grid { display: grid; gap: var(--space-5); grid-template-columns: 1fr; }
@media (min-width: 640px) { .card-grid--2 { grid-template-columns: 1fr 1fr; } }
@media (min-width: 900px) { .card-grid--3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  display: flex; flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow .16s ease, transform .16s ease;
}
.card__media {
  height: 168px;
  background: var(--card-media, linear-gradient(135deg, var(--color-primary), var(--color-lime)));
  position: relative; display: flex; align-items: flex-end; justify-content: flex-start;
  padding: var(--space-4);
}
.card__age {
  display: inline-flex; align-items: center; gap: var(--space-1);
  background: color-mix(in srgb, #fff 92%, transparent); color: var(--color-text-primary);
  font-size: var(--font-size-caption); font-weight: var(--weight-semibold);
  border-radius: var(--radius-pill); padding: 4px 10px;
}
.card__body { display: flex; flex-direction: column; gap: var(--space-2); padding: var(--space-5); flex: 1; }
.card__meta { font-size: var(--font-size-small); color: var(--color-text-secondary); margin: 0; }
.card__title { font-family: var(--font-display); font-size: var(--font-size-h4); line-height: var(--line-snug); color: var(--color-text-primary); margin: 0; }
.card__desc { font-family: var(--font-body); font-size: var(--font-size-body); color: var(--color-text-secondary); margin: 0; }
.card__footer { margin-top: auto; padding-top: var(--space-2); }
.card__link { display: inline-flex; align-items: center; gap: var(--space-2); font-weight: var(--weight-semibold); font-size: var(--font-size-small); color: var(--color-text-primary); text-decoration: none; }
.card__link i { transition: transform .16s ease; }
.card__link:hover i { transform: translateX(3px); }

/* Card clickeable: hover + focus */
.card--link { cursor: pointer; text-decoration: none; color: inherit; }
.card--link:hover, .card--link.is-hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.card--link:focus-visible, .card--link.is-focus {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* Card de testimonio */
.card--testimonial { justify-content: center; text-align: center; padding: var(--space-7) var(--space-5); }
.card--testimonial .card__quote-icon { font-size: 48px; color: var(--color-primary); margin: 0 auto var(--space-3); }
.card__quote { font-family: var(--font-body); font-style: italic; font-size: var(--font-size-lead); line-height: var(--line-normal); color: var(--color-text-primary); margin: 0 0 var(--space-5); }
.card__author { font-weight: var(--weight-bold); font-family: var(--font-body); color: var(--color-text-primary); margin: 0; }
.card__author-role { font-size: var(--font-size-small); color: var(--color-text-secondary); margin: 0; }

/* --- Banners ---------------------------------------------------------- */
.banner {
  display: flex; flex-direction: column; gap: var(--space-5);
  padding: var(--space-8) var(--space-7);
  border-radius: var(--radius-lg);
  position: relative; overflow: hidden;
}
.banner__eyebrow { font-family: var(--font-mono); font-size: var(--font-size-caption); letter-spacing: var(--tracking-wide); text-transform: uppercase; margin: 0; }
.banner__title { font-family: var(--font-display); font-size: var(--font-size-h2); line-height: var(--line-tight); margin: 0; max-width: 20ch; }
.banner__text { font-family: var(--font-body); font-size: var(--font-size-lead); line-height: var(--line-normal); margin: 0; max-width: 55ch; }
.banner__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); margin-top: var(--space-2); }

.banner--institutional { background: var(--color-text-primary); color: var(--color-text-inverse); }
.banner--institutional .banner__title { color: var(--color-text-inverse); }
.banner--primary { background: var(--color-primary); color: var(--color-text-primary); }
.banner--promo-canary { background: var(--color-secondary); color: var(--color-text-primary); }
.banner--promo-canary .banner__title { color: var(--color-text-primary); }
.banner--promo-tomato { background: var(--color-accent-strong); color: var(--color-text-inverse); }
.banner--promo-tomato .banner__title { color: var(--color-text-inverse); }

.banner__badge { align-self: flex-start; font-size: var(--font-size-caption); font-weight: var(--weight-semibold); border-radius: var(--radius-pill); padding: 3px 10px; background: color-mix(in srgb, #000 12%, transparent); color: inherit; }

/* Botón sobre banners oscuros: outline blanco accesible */
.btn--on-dark { --btn-bg: transparent; --btn-fg: #fff; --btn-border: #fff; }
.btn--on-dark:hover { --btn-bg: rgba(255,255,255,.14); box-shadow: none; transform: none; }
.btn--on-dark.is-hover { --btn-bg: rgba(255,255,255,.14); box-shadow: none; transform: none; }
.btn--on-navy { --btn-bg: #fff; --btn-fg: var(--color-text-primary); }
.btn--on-navy:hover { --btn-bg: var(--color-gray-200); }
.btn--on-navy.is-hover { --btn-bg: var(--color-gray-200); }
.btn--on-light { --btn-bg: var(--color-text-primary); --btn-fg: #fff; }
.btn--on-light:hover { --btn-bg: var(--color-gray-800); }
.btn--on-light.is-hover { --btn-bg: var(--color-gray-800); }
.btn--on-canary { --btn-bg: var(--color-text-primary); --btn-fg: #fff; }
.btn--on-canary:hover { --btn-bg: var(--color-gray-800); }
.btn--on-canary.is-hover { --btn-bg: var(--color-gray-800); }

/* --- Links inline ----------------------------------------------------- */
.link-inline {
  color: var(--color-text-primary); text-decoration: none; font-weight: var(--weight-medium);
  position: relative; padding-bottom: 2px;
}
.link-inline::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 0;
  background: var(--color-accent); transition: width .18s ease;
}
.link-inline:hover::after, .link-inline.is-hover::after { width: 100%; }
.link-inline:focus-visible, .link-inline.is-focus {
  outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); border-radius: var(--radius-sm);
}
.link-inline:active, .link-inline.is-active { color: var(--color-accent-strong); }
.link-inline:active::after, .link-inline.is-active::after { width: 100%; background: var(--color-accent); }

.link-row { display: flex; flex-wrap: wrap; gap: var(--space-5); align-items: center; }

/* --- Breadcrumbs ------------------------------------------------------ */
.breadcrumbs { font-size: var(--font-size-small); }
.breadcrumbs__list { list-style: none; display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); margin: 0; padding: 0; }
.breadcrumbs__item { display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-text-secondary); }
.breadcrumbs__link { color: var(--color-text-secondary); text-decoration: none; border-radius: var(--radius-sm); }
.breadcrumbs__link:hover { color: var(--color-text-primary); text-decoration: underline; text-underline-offset: 3px; }
.breadcrumbs__link:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.breadcrumbs__item[aria-current="page"] { color: var(--color-text-primary); font-weight: var(--weight-semibold); }
.breadcrumbs__sep { color: var(--color-gray-400); font-size: var(--font-size-small); }

/* --- Paginación ------------------------------------------------------- */
.pagination { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-2); list-style: none; margin: 0; padding: 0; }
.pagination__item {
  min-width: var(--control-h-md); min-height: var(--control-h-md);
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-1);
  padding: 0 var(--space-3); border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-primary);
  font-family: var(--font-body); font-weight: var(--weight-semibold); font-size: var(--font-size-small);
  text-decoration: none; cursor: pointer;
}
@media (max-width: 640px) { .pagination__item { min-height: 44px; } }
.pagination__item:hover { background: var(--color-bg); border-color: var(--color-border-strong); }
.pagination__item:focus-visible, .pagination__item.is-focus { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.pagination__item[aria-current="page"], .pagination__item.is-active { background: var(--color-text-primary); color: var(--color-text-inverse); border-color: var(--color-text-primary); }
.pagination__item[aria-disabled="true"], .pagination__item:disabled { opacity: .45; cursor: not-allowed; pointer-events: none; }
.pagination__nav { font-weight: var(--weight-semibold); }

/* ======================================================================
   FASE 4C · HEADER, FOOTER, MODAL Y ACORDEÓN
   ====================================================================== */

/* --- Header de aplicación --------------------------------------------- */
.app-header {
  position: sticky; top: 0; z-index: 60;
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
  border-bottom: 1px solid var(--color-border);
}
.app-header__bar {
  max-width: var(--layout-max); margin: 0 auto;
  padding: var(--space-3) var(--layout-gutter);
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-5);
}
.app-header__brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: inherit; }
.app-header__brand img { width: 128px; height: auto; }

.app-header__nav { display: none; align-items: center; gap: var(--space-5); }
@media (min-width: 900px) { .app-header__nav { display: flex; } }
.nav-link {
  font-family: var(--font-body); font-weight: var(--weight-semibold); font-size: var(--font-size-small);
  color: var(--color-text-secondary); text-decoration: none;
  padding: var(--space-2) var(--space-1); border-bottom: 2px solid transparent;
  transition: color .14s ease, border-color .14s ease;
}
.nav-link:hover, .nav-link[aria-current="page"] { color: var(--color-text-primary); border-bottom-color: var(--color-accent); }
.nav-link:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); border-radius: var(--radius-sm); }

.app-header__actions { display: flex; align-items: center; gap: var(--space-3); }
.app-header__cta { display: none; }
@media (min-width: 900px) { .app-header__cta { display: inline-flex; } }

/* Botón hamburguesa (mobile) */
.menu-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-primary);
  cursor: pointer;
}
.menu-toggle i { font-size: 26px; }
.menu-toggle:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
@media (min-width: 900px) { .menu-toggle { display: none; } }

/* Overlay de menú mobile */
.mobile-menu {
  position: fixed; inset: 0; z-index: 80;
  background: var(--color-surface);
  padding: var(--space-5) var(--layout-gutter) var(--space-8);
  display: flex; flex-direction: column; gap: var(--space-2);
  transform: translateY(-8px); opacity: 0; visibility: hidden;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.mobile-menu.is-open { transform: none; opacity: 1; visibility: visible; }
.mobile-menu__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--space-4); }
.mobile-menu__head img { width: 128px; }
.mobile-menu__close {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius-md);
  border: 1px solid var(--color-border); background: var(--color-surface); color: var(--color-text-primary); cursor: pointer;
}
.mobile-menu__close i { font-size: 26px; }
.mobile-menu__close:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.mobile-menu__link {
  display: flex; align-items: center; min-height: 48px; padding: var(--space-2) 0;
  font-family: var(--font-body); font-weight: var(--weight-semibold); font-size: var(--font-size-lead);
  color: var(--color-text-primary); text-decoration: none; border-bottom: 1px solid var(--color-border);
}
.mobile-menu__link:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); border-radius: var(--radius-sm); }
.mobile-menu__cta { margin-top: var(--space-5); min-height: 48px; width: 100%; }
.mobile-menu__sections { margin-top: var(--space-6); display: flex; flex-wrap: wrap; gap: var(--space-2); }
.mobile-menu__sections .pager__item { text-decoration: none; }

/* --- Footer de aplicación --------------------------------------------- */
.app-footer { background: var(--color-text-primary); color: var(--color-text-inverse); }
.app-footer__inner { max-width: var(--layout-max); margin: 0 auto; padding: var(--space-11) var(--layout-gutter) var(--space-8); }
.app-footer__grid { display: grid; gap: var(--space-8); grid-template-columns: 1fr; }
@media (min-width: 720px) { .app-footer__grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.app-footer__brand { margin: 0 0 var(--space-5); }
.app-footer__brand img { width: 168px; height: auto; }
.app-footer__col-title { font-family: var(--font-body); font-weight: var(--weight-bold); font-size: var(--font-size-h6); color: #fff; margin: 0 0 var(--space-4); }
.app-footer__contact { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.app-footer__contact li { display: flex; gap: var(--space-3); align-items: flex-start; color: #E6EAF0; font-size: var(--font-size-small); }
.app-footer__contact i { color: var(--color-primary); font-size: var(--icon-sm); margin-top: 2px; flex: 0 0 auto; }
.app-footer__links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--space-2); }
.app-footer__links a { color: #E6EAF0; text-decoration: none; font-size: var(--font-size-small); display: inline-flex; min-height: 32px; align-items: center; }
.app-footer__links a:hover { color: #fff; text-decoration: underline; text-underline-offset: 3px; }
.app-footer__links a:focus-visible { outline: var(--focus-ring-width) solid var(--color-primary); outline-offset: var(--focus-ring-offset); border-radius: var(--radius-sm); }
.social-row { display: flex; gap: var(--space-3); }
.social-row a {
  display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px;
  border-radius: var(--radius-md); background: rgba(255,255,255,.10); color: #fff; font-size: var(--icon-sm);
}
.social-row a:hover { background: rgba(255,255,255,.20); }
.social-row a:focus-visible { outline: var(--focus-ring-width) solid var(--color-primary); outline-offset: var(--focus-ring-offset); }
.app-footer__legal {
  margin-top: var(--space-9); padding-top: var(--space-5);
  border-top: 1px solid rgba(255,255,255,.16);
  display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: space-between;
  font-size: var(--font-size-caption); color: #B7C1CE;
}
.app-footer__legal a { color: #B7C1CE; }

/* Pager dentro del footer oscuro */
.app-footer .pager__item { background: rgba(255,255,255,.08); color: #E6EAF0; border-color: rgba(255,255,255,.16); }
.app-footer .pager__item--current { background: #fff; color: var(--color-text-primary); border-color: #fff; }

/* --- Modal (<dialog> nativo) ------------------------------------------ */
.modal {
  border: 0; padding: 0; border-radius: var(--radius-lg);
  width: min(560px, calc(100vw - 2 * var(--space-5)));
  box-shadow: var(--shadow-lg);
  color: var(--color-text-primary); background: var(--color-surface);
}
.modal::backdrop { background: rgba(32, 56, 96, 0.60); }
.modal__inner { padding: var(--space-6); display: flex; flex-direction: column; gap: var(--space-4); }
.modal__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); }
.modal__title { font-family: var(--font-display); font-size: var(--font-size-h4); margin: 0; }
.modal__close {
  flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border-radius: var(--radius-md); border: 1px solid var(--color-border);
  background: var(--color-surface); color: var(--color-text-primary); cursor: pointer;
}
.modal__close i { font-size: 24px; }
.modal__close:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: var(--focus-ring-offset); }
.modal__body { color: var(--color-text-secondary); font-size: var(--font-size-body); margin: 0; }
.modal__actions { display: flex; flex-wrap: wrap; gap: var(--space-3); justify-content: flex-end; }

/* Vista estática del modal para documentación */
.modal-static {
  position: relative; border-radius: var(--radius-lg); overflow: hidden;
  background: rgba(32, 56, 96, 0.60); padding: var(--space-6);
  display: flex; align-items: center; justify-content: center;
}
.modal-static .modal { position: static; box-shadow: var(--shadow-lg); }

/* --- Acordeón (<details>/<summary>) ----------------------------------- */
.accordion { display: flex; flex-direction: column; }
.accordion__item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-3);
  background: var(--color-surface);
  overflow: hidden;
}
.accordion__summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display); font-weight: var(--weight-medium); font-size: var(--font-size-h6);
  color: var(--color-text-primary); cursor: pointer; list-style: none;
}
.accordion__summary::-webkit-details-marker { display: none; }
.accordion__summary:focus-visible { outline: var(--focus-ring-width) solid var(--color-focus-ring); outline-offset: -2px; }
.accordion__summary i { font-size: 20px; color: var(--color-text-secondary); transition: transform .18s ease; }
.accordion__item[open] .accordion__summary i { transform: rotate(180deg); }
.accordion__item[open] .accordion__summary { color: var(--color-accent-strong); }
.accordion__content { padding: 0 var(--space-5) var(--space-5); color: var(--color-text-secondary); font-size: var(--font-size-body); }
.accordion__content p { margin: 0 0 var(--space-3); }
.accordion__content p:last-child { margin-bottom: 0; }

/* ======================================================================
   FASE 5 · LAYOUT, GRID Y UTILIDADES
   ====================================================================== */

/* --- Contenedores ----------------------------------------------------- */
.container { width: 100%; max-width: var(--container-max); margin-inline: auto; padding-inline: var(--container-gutter); }
.container--narrow { max-width: var(--container-narrow); }
.container--wide { max-width: var(--container-wide); }

/* --- Grid de 12 columnas (mobile-first) -------------------------------- */
.ds-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: var(--grid-gap);
}
.ds-grid--gap-4 { gap: var(--space-4); }
.ds-grid--gap-6 { gap: var(--space-6); }

/* Mobile: todo ocupa 12 columnas (100%) */
[class^="col-"], [class*=" col-"] { grid-column: span 12; }
.col-start-1, .col-start-2, .col-start-3, .col-start-4, .col-start-5, .col-start-6,
.col-start-7, .col-start-8, .col-start-9, .col-start-10, .col-start-11, .col-start-12 { grid-column-start: auto; }

@media (min-width: 768px) {
  .col-1  { grid-column: span 1; }  .col-2  { grid-column: span 2; }
  .col-3  { grid-column: span 3; }  .col-4  { grid-column: span 4; }
  .col-5  { grid-column: span 5; }  .col-6  { grid-column: span 6; }
  .col-7  { grid-column: span 7; }  .col-8  { grid-column: span 8; }
  .col-9  { grid-column: span 9; }  .col-10 { grid-column: span 10; }
  .col-11 { grid-column: span 11; } .col-12 { grid-column: span 12; }

  .col-start-1  { grid-column-start: 1; }  .col-start-2  { grid-column-start: 2; }
  .col-start-3  { grid-column-start: 3; }  .col-start-4  { grid-column-start: 4; }
  .col-start-5  { grid-column-start: 5; }  .col-start-6  { grid-column-start: 6; }
  .col-start-7  { grid-column-start: 7; }  .col-start-8  { grid-column-start: 8; }
  .col-start-9  { grid-column-start: 9; }  .col-start-10 { grid-column-start: 10; }
  .col-start-11 { grid-column-start: 11; } .col-start-12 { grid-column-start: 12; }
}

/* --- Utilidades Flex --------------------------------------------------- */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }

/* --- Utilidades Display / visibilidad ---------------------------------- */
.block { display: block; }
.inline-block { display: inline-block; }
.hidden { display: none !important; }

/* Ocultar solo en mobile (< 768px) o solo en desktop (>= 768px).
   Con media queries no pisamos el `display` real del elemento. */
@media (max-width: 767.98px) { .hide-mobile { display: none !important; } }
@media (min-width: 768px) { .hide-desktop { display: none !important; } }

/* --- Demos de documentación (Fase 5) ---------------------------------- */
.bp-scale { list-style: none; margin: 0 0 var(--space-4); padding: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.bp { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: var(--space-3); }
.bp__bar { grid-column: 1 / -1; height: 14px; width: var(--w); border-radius: var(--radius-sm); background: linear-gradient(90deg, var(--color-primary), var(--color-accent)); }
.bp__name { font-family: var(--font-mono); font-weight: var(--weight-bold); font-size: var(--font-size-small); }
.bp__val { font-size: var(--font-size-small); color: var(--color-text-secondary); background: none; border: 0; padding: 0; }

.container-demos { display: flex; flex-direction: column; gap: var(--space-5); }
.container-demo { display: flex; flex-direction: column; gap: var(--space-2); }
.container-demo__bar {
  display: flex; align-items: center; justify-content: center;
  width: var(--con-w); max-width: 100%; min-height: 64px; margin-inline: auto;
  border: 2px dashed var(--color-primary); border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-primary) 8%, transparent);
  font-size: var(--font-size-small); font-weight: var(--weight-semibold); color: var(--color-text-primary);
}

.grid-demos { display: flex; flex-direction: column; gap: var(--space-5); }
.grid-demo { display: flex; flex-direction: column; gap: var(--space-2); }
.demo-col {
  min-height: 56px; display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(13, 177, 202, 0.18);
  border: 1px solid rgba(13, 177, 202, 0.55);
  color: var(--color-text-primary); font-weight: var(--weight-semibold); font-size: var(--font-size-small);
}
.demo-chip {
  display: inline-block; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md);
  background: var(--color-bg); border: 1px solid var(--color-border); font-size: var(--font-size-small); font-weight: var(--weight-medium);
}

/* ======================================================================
   FASE 6 · DIGITAL APPLICATIONS (ensamblaje — sin componentes nuevos)
   ====================================================================== */

/* Stage: rompe el cap de --layout-max (1120px) del doc site para que un
   .container (1200px) se muestre a ancho real, como en el sitio final.
   `overflow-x: clip` en :root evita el scroll horizontal sin afectar el sticky. */
.stage { width: 100vw; max-width: none; margin-inline: calc(50% - 50vw); }

/* --- 6.1 Home Hero ---------------------------------------------------- */
.garden-hero {
  position: relative;
  overflow: clip;
  padding: var(--space-11) var(--layout-gutter);
  isolation: isolate;
}
.garden-hero__inner { display: flex; flex-direction: column; gap: var(--space-4); margin-inline: auto; }
.garden-hero__logo { width: 200px; height: auto; margin-bottom: var(--space-2); }
.garden-hero__title { max-width: 18ch; }
.garden-hero .banner__text { max-width: 52ch; }

/* Formas abstractas de fondo: manchas tipo "jardín" con gradientes de marca */
.garden-hero__shape { position: absolute; border-radius: 50%; filter: blur(48px); opacity: .5; z-index: -1; }
.garden-hero__shape--a { width: 340px; height: 340px; top: -80px; right: -60px;
  background: radial-gradient(circle at 30% 30%, var(--color-sky), transparent 70%); }
.garden-hero__shape--b { width: 300px; height: 300px; bottom: -90px; left: -70px;
  background: radial-gradient(circle at 40% 40%, var(--color-lime), transparent 70%); opacity: .45; }
.garden-hero__shape--c { width: 240px; height: 240px; top: 40%; left: 55%;
  background: radial-gradient(circle at 50% 50%, var(--color-flamingo), transparent 70%); opacity: .35; }

.garden-hero__chips { list-style: none; margin: var(--space-4) 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: var(--space-3); }
.garden-hero__chip {
  display: inline-flex; align-items: center; gap: var(--space-2);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-pill);
  background: color-mix(in srgb, #fff 14%, transparent);
  border: 1px solid color-mix(in srgb, #fff 24%, transparent);
  color: var(--color-text-inverse); font-size: var(--font-size-small); font-weight: var(--weight-semibold);
}
.garden-hero__chip i { color: var(--color-canary); }
@media (min-width: 768px) { .garden-hero__title { font-size: var(--font-size-h1); } }

/* --- 6.2 Nuestros Programas ------------------------------------------ */
.app-programs { padding-block: var(--space-10); }
.app-programs__head { max-width: 60ch; }
.app-programs .ds-grid > .card { align-self: stretch; }

/* --- 6.3 Formulario de Inscripción ----------------------------------- */
.app-form-wrap { padding-block: var(--space-10); }
.app-form { max-width: 100%; }
.app-form__body { padding: var(--space-7); gap: var(--space-3); }
.app-form__title { font-family: var(--font-display); font-size: var(--font-size-h2); line-height: var(--line-tight); margin: 0; color: var(--color-text-primary); }
.app-form__lead { margin: 0 0 var(--space-4); color: var(--color-text-secondary); max-width: 60ch; }
.app-form__form { display: flex; flex-direction: column; gap: var(--space-6); }
.app-form__group {
  font-family: var(--font-display); font-size: var(--font-size-h5); color: var(--color-text-primary);
  margin: 0 0 var(--space-4); padding-bottom: var(--space-2); border-bottom: 1px solid var(--color-border);
}
.app-form__col { display: flex; flex-direction: column; gap: var(--space-5); }
.app-form__col .field { max-width: 100%; }
.app-form__terms { margin-top: var(--space-1); align-items: flex-start; }
.app-form__actions { margin-top: var(--space-2); }

@media (max-width: 719.98px) {
  .app-form__actions .btn { width: 100%; }
}
@media (min-width: 720px) {
  .app-form__actions .btn { min-width: 200px; }
}

/* ======================================================================
   FASE 7 · ACCESIBILIDAD
   ====================================================================== */

/* --- Skip link (SC 2.4.1): visible al primer Tab ----------------------- */
.skip-link {
  position: fixed; top: var(--space-3); left: var(--space-3); z-index: 2000;
  transform: translateY(calc(-100% - var(--space-4)));
  background: var(--color-text-primary); color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-5); border-radius: var(--radius-pill);
  font-family: var(--font-body); font-weight: var(--weight-bold); font-size: var(--font-size-body);
  text-decoration: none; box-shadow: var(--shadow-lg);
  transition: transform .16s ease;
}
.skip-link:focus-visible,
.skip-link:focus {
  transform: none;
  outline: var(--focus-ring-width) solid var(--color-text-inverse);
  outline-offset: var(--focus-ring-offset);
}

/* --- Anillo de foco en superficies oscuras (Navy) --------------------- */
/* El anillo global (Navy) no se vería sobre Navy: usamos blanco. */
.garden-hero :focus-visible,
.banner--institutional :focus-visible,
.banner--promo-tomato :focus-visible,
.banner--primary :focus-visible,
.app-footer :focus-visible,
.mobile-menu :focus-visible,
.modal :focus-visible {
  outline-color: var(--color-text-inverse);
}
.banner--institutional .btn--secondary:focus-visible,
.garden-hero .btn--secondary:focus-visible,
.banner--institutional .btn--on-navy:focus-visible,
.garden-hero .btn--on-navy:focus-visible,
.banner--institutional .btn--on-canary:focus-visible,
.banner--institutional .btn--on-dark:focus-visible { outline-color: var(--color-text-inverse); }

/* --- prefers-reduced-motion (SC 2.3.3) -------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
  /* Elementos con animación propia: se desactivan explícitamente */
  .btn.is-loading::after { animation: none !important; }
  .link-inline::after,
  .link-inline::before { transition: none !important; transform: none !important; }
  .accordion__summary i { transition: none !important; }
  .accordion__item[open] > .accordion__summary i { transform: none !important; }
  .card__link i { transition: none !important; }
}

/* --- prefers-contrast: more (SC 1.4.6 / 1.4.11) ----------------------- */
@media (prefers-contrast: more) {
  :root {
    --color-border: var(--color-border-strong);
    --color-text-secondary: var(--color-text-primary);
    --color-focus-ring: #000000;
  }
  .card, .field__input, .field__select, .field__textarea { border-color: var(--color-gray-700); }
  .badge { border-color: currentColor; }
}

/* --- Demos de documentación (Fase 7) ---------------------------------- */
.motion-demo { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .motion-demo { grid-template-columns: 1fr 1fr; } }
.motion-demo__item {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: var(--space-5); background: var(--color-surface);
  display: flex; flex-direction: column; gap: var(--space-4); align-items: flex-start;
}
.motion-demo__label { font-size: var(--font-size-small); font-weight: var(--weight-semibold); color: var(--color-text-secondary); margin: 0; }
.motion-demo__track { width: 100%; height: 44px; border-radius: var(--radius-pill); background: var(--color-gray-200); overflow: hidden; display: flex; align-items: center; padding: 0 4px; }
.motion-demo__ball { display: block; flex: none; width: 36px; height: 36px; border-radius: 50%; background: var(--color-primary); }
.motion-demo__ball--animate { animation: pdm-slide 1.4s ease-in-out infinite alternate; }
.motion-demo__ball--reduced { animation: none; }
@keyframes pdm-slide { from { transform: translateX(0); } to { transform: translateX(140px); } }

/* Toggle visual de contraste */
.contrast-demo { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .contrast-demo { grid-template-columns: 1fr 1fr; } }
.contrast-demo__panel { border-radius: var(--radius-md); padding: var(--space-5); border: 1px solid var(--color-border); background: var(--color-surface); }
.contrast-demo__panel--more { border: 2px solid var(--color-gray-700); }
.contrast-demo__panel--more .contrast-demo__muted { color: var(--color-text-primary); }
.contrast-demo__muted { color: var(--color-text-secondary); margin: var(--space-2) 0 0; }

/* Checklist WCAG (Fase 7) */
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-2); }
.checklist li { display: flex; align-items: flex-start; gap: var(--space-3); padding: var(--space-3) var(--space-4); border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface); font-size: var(--font-size-body); }
.checklist__icon { flex: none; font-size: 20px; line-height: 1.4; }
.checklist__icon--ok { color: #2E4A19; }
.checklist__icon--fix { color: var(--color-accent-strong); }
.checklist code { font-size: var(--font-size-small); }
.status-pill { display: inline-block; font-size: var(--font-size-caption); font-weight: var(--weight-bold); border-radius: var(--radius-pill); padding: 2px 10px; text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.status-pill--ok { background: color-mix(in srgb, var(--color-lime) 26%, #fff); color: #2E4A19; }
.status-pill--fix { background: color-mix(in srgb, var(--color-canary) 30%, #fff); color: #6B4A00; }

/* Regiones con scroll horizontal (SC 2.1.1): foco alcanzable por teclado */
.table-wrap, .callout__code { scrollbar-color: var(--color-gray-400) transparent; }
.table-wrap:focus-visible, .callout__code:focus-visible {
  outline: var(--focus-ring-width) solid var(--color-focus-ring);
  outline-offset: var(--focus-ring-offset);
}

/* ======================================================================
   FASE 8 · HANDOFF / DOCUMENTACIÓN
   ====================================================================== */

kbd {
  font-family: var(--font-mono); font-size: 0.85em;
  background: var(--color-surface); border: 1px solid var(--color-border-strong);
  border-bottom-width: 2px; border-radius: var(--radius-sm); padding: 0.1em 0.45em;
}

.steps { list-style: none; counter-reset: step; margin: 0; padding: 0; display: grid; gap: var(--space-5); }
.steps > li { counter-increment: step; position: relative; padding-left: var(--space-10); }
.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 0;
  display: grid; place-items: center; width: var(--control-h-md); height: var(--control-h-md);
  border-radius: var(--radius-pill); background: var(--color-primary); color: var(--color-text-primary);
  font-family: var(--font-display); font-weight: var(--weight-semibold); font-size: var(--font-size-h6);
}
.steps__title { font-family: var(--font-display); font-size: var(--font-size-h5); color: var(--color-text-primary); margin: 0 0 var(--space-3); }

/* Cierre elegante (no un apéndice técnico) */
.closing-hero { border-radius: var(--radius-lg); padding: var(--space-10) var(--space-7); }
.closing-hero__inner { max-width: 60ch; margin-inline: auto; text-align: center; }
.closing-hero__logo { width: 160px; height: auto; margin: 0 auto var(--space-4); }
.closing-hero__title { font-family: var(--font-display); font-size: var(--font-size-h2); line-height: var(--line-tight); color: var(--color-text-inverse); margin: 0 0 var(--space-4); }
.closing-hero__text { color: var(--color-text-inverse); opacity: .95; margin: 0; }
.closing-hero__credits { margin: var(--space-6) 0 0; color: var(--color-text-inverse); font-size: var(--font-size-small); }
.closing-hero__credits strong { font-weight: var(--weight-bold); }