/* ============================================================
   brand.css — Brand Style Guide / Design System público de BORR
   Importado solo por brand.html.
   Nomenclatura: prefijo bd- para todos los componentes de esta página.
   Regla: ningún valor hex directo en componentes — solo tokens.
============================================================ */

/* ── Layout base ── */

.bd-page {
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  /* fix: base.css tiene body { overflow-x: hidden } que puede romper position: sticky del nav */
  overflow-x: clip;
}

/* Permitir sticky del nav heredado desde html, no desde body */
html:has(body.bd-page) { overflow-x: clip; }

/* brand.html usa cursor nativo (override del cursor custom del body global) */
body.bd-page,
body.bd-page * { cursor: auto; }

body.bd-page a,
body.bd-page button,
body.bd-page [role="button"],
body.bd-page .skip-link { cursor: pointer; }

/* ── Layout con sidebar ── */

.bd-layout {
  display: flex;
  align-items: flex-start;
}

.bd-sidebar {
  position: sticky;
  top: 57px;
  flex-shrink: 0;
  width: 180px;
  height: calc(100vh - 57px);
  padding: clamp(32px, 4vw, 56px) 0 32px clamp(16px, 3vw, 32px);
  overflow-y: auto;
  scrollbar-width: none;
}

.bd-sidebar::-webkit-scrollbar { display: none; }

.bd-sidebar-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bd-sidebar-link {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-decoration: none;
  padding: 5px 0;
  transition: color 0.2s;
}

.bd-sidebar-link:hover { color: var(--text-secondary); }
.bd-sidebar-link.is-active { color: var(--text); }

@media (max-width: 900px) {
  .bd-layout  { display: block; }
  .bd-sidebar { display: none; }
}

/* ── Nav mínimo ── */

.bd-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px clamp(24px, 5vw, 80px);
  background: var(--surface);
  border-bottom: 1px solid var(--border-subtle);
}

.bd-nav-logo {
  display: flex;
  align-items: center;
  color: var(--text);
  line-height: 0;
  transition: opacity var(--duration-base);
}

.bd-nav-logo:hover { opacity: 0.6; }

.bd-nav-logo:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 4px;
  border-radius: var(--radius-1);
}

.bd-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-full);
  transition: color var(--duration-base) var(--ease), background var(--duration-base) var(--ease);
  flex-shrink: 0;
}
.bd-theme-toggle:hover { color: var(--text); background: var(--border-subtle); }
.bd-theme-toggle:focus-visible { outline: 2px dashed currentColor; outline-offset: 2px; }

.bd-nav-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Contenedor general ── */

.bd-container {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  padding-left: clamp(24px, 5vw, 80px);
  padding-right: clamp(24px, 5vw, 80px);
}

/* ── Sección base ── */

.bd-section {
  padding-top: clamp(80px, 10vw, 140px);
  padding-bottom: clamp(80px, 10vw, 140px);
  border-bottom: 1px solid var(--border-subtle);
}

.bd-section:last-of-type { border-bottom: none; }

/* ── Ritmo de fondos por sección ── */

.bd-section--sand      { background: var(--surface); }
.bd-section--dark      { background: var(--surface-dark); }
.bd-section--dark .bd-section-tag,
.bd-section--dark h2,
.bd-section--dark p    { color: var(--text-on-dark-secondary); }
.bd-section--dark h2   { color: var(--text-on-dark); }
.bd-section--dark .bd-section-tag { color: var(--text-on-dark-muted); }
.bd-section--wet-sand  { background: var(--surface-alt); }

/* ── Etiqueta de sección ── */

.bd-section-tag {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 32px;
}

/* ── Heading y párrafo de intro de sección ── */

.bd-section-h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}

.bd-section--dark .bd-section-h2 { color: var(--text-on-dark); }

.bd-section-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 52ch;
  margin-bottom: 0;
}

.bd-section--dark .bd-section-intro { color: var(--text-on-dark-secondary); }

.bd-section-intro--spaced { margin-bottom: clamp(48px, 6vw, 80px); }

/* ══════════════════════════════════════════
   01 — DECLARACIÓN
══════════════════════════════════════════ */

.bd-declaration {
  min-height: 100svh;
  background: var(--surface);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding-top: clamp(120px, 15vw, 200px);
  padding-bottom: clamp(80px, 10vw, 140px);
  border-bottom: 1px solid var(--border-subtle);
}

.bd-declaration-inner {
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  padding-left: clamp(24px, 5vw, 80px);
  padding-right: clamp(24px, 5vw, 80px);
}

.bd-declaration-h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 9vw, 9rem);
  font-weight: 800;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: clamp(32px, 4vw, 56px);
  max-width: 18ch;
}

.bd-declaration-sub {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: max(50vw, 52ch);
}

.bd-declaration-meta {
  margin-top: clamp(48px, 6vw, 80px);
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.bd-declaration-meta-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-muted);
  flex-shrink: 0;
}

/* ══════════════════════════════════════════
   02 — LOGO
══════════════════════════════════════════ */

/* Los tres contextos de color — sin gaps, responsive */
.bd-logo-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: clamp(40px, 5vw, 64px);
  overflow: hidden;
}

.bd-logo-cell {
  flex: 1 1 280px;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(32px, 4vw, 56px);
  position: relative;
}

.bd-logo-cell--sand  { background: var(--surface); }
.bd-logo-cell--dark  { background: var(--surface-dark); }
.bd-logo-cell--rose  { background: var(--color-rose); }

/* Escala de tamaños dentro de cada celda */
.bd-logo-sizes {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 24px;
  width: 100%;
}

.bd-logo-sizes svg {
  display: block;
  flex-shrink: 0;
  width: auto;
}

.bd-logo-cell--sand svg  { color: var(--text); }
.bd-logo-cell--dark svg  { color: var(--text-on-dark); }
.bd-logo-cell--rose svg  { color: var(--text); }

.bd-logo-cell-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bd-logo-cell--sand  .bd-logo-cell-label { color: var(--text-muted); }
.bd-logo-cell--dark  .bd-logo-cell-label { color: var(--text-on-dark-muted); }
.bd-logo-cell--rose  .bd-logo-cell-label { color: var(--text-secondary); }

/* Nota currentColor */
.bd-logo-currentcolor-note {
  margin-top: clamp(32px, 4vw, 48px);
  padding: 24px 28px;
  background: var(--surface-alt);
  border-left: 2px solid var(--border-medium);
}

.bd-logo-currentcolor-note p {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* Reglas de uso — etiquetas y valores (sección siempre oscura) */

.bd-section--dark .bd-logo-rule-label {
  color: var(--text-on-dark-muted);
}

.bd-section--dark .bd-logo-rule-value {
  color: var(--text-on-dark-secondary);
}

.bd-logo-rules {
  margin-top: clamp(48px, 6vw, 80px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}


.bd-logo-rule-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: block;
}

.bd-logo-rule-value {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
}

/* Clearspace — logo centrado en rectángulo punteado */

.bd-logo-clearspace {
  margin-top: clamp(48px, 6vw, 80px);
  display: flex;
  align-items: center;
  gap: 48px;
  padding: clamp(48px, 6vw, 80px) clamp(32px, 4vw, 56px);
  background: var(--surface-alt);
}

.bd-logo-clearspace-demo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 40px 56px;
  border: 1.5px dashed var(--border-medium);
}

.bd-logo-clearspace-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.bd-logo-clearspace-caption {
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 16px;
}

.bd-logo-clearspace p {
  color: var(--text-secondary);
}

.bd-logo-clearspace-svg {
  color: var(--text);
}

[data-theme="dark"] .bd-logo-clearspace {
  background: var(--surface);
}

.bd-logo-clearspace-note {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  color: var(--text-muted);
  margin: 0;
  line-height: 1.5;
}

/* Isotipo — las dos R */

.bd-logo-isotipo-section {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-logo-isotipo-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: block;
}

.bd-section--dark .bd-logo-isotipo-title {
  color: var(--text-on-dark-muted);
}

.bd-logo-isotipo-desc {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  line-height: 1.5;
  max-width: 52ch;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.bd-section--dark .bd-logo-isotipo-desc {
  color: var(--text-on-dark-secondary);
}

.bd-logo-isotipo-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

.bd-logo-isotipo-cell {
  aspect-ratio: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 20px;
  padding: 32px;
}

.bd-logo-isotipo-cell--sand { background: var(--surface); border: 1px solid var(--border-subtle); }
.bd-logo-isotipo-cell--dark { background: var(--surface-dark); }
.bd-logo-isotipo-cell--rose { background: var(--color-rose); }

.bd-logo-isotipo-cell--sand svg { color: var(--text); }
.bd-logo-isotipo-cell--dark svg { color: var(--text-on-dark); }
.bd-logo-isotipo-cell--rose svg { color: var(--text); }

.bd-logo-isotipo-cell svg {
  width: clamp(48px, 8vw, 80px);
  height: auto;
}

.bd-logo-isotipo-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.bd-logo-isotipo-cell--sand .bd-logo-isotipo-label { color: var(--text-muted); }
.bd-logo-isotipo-cell--dark .bd-logo-isotipo-label { color: var(--text-on-dark-muted); }
.bd-logo-isotipo-cell--rose .bd-logo-isotipo-label { color: var(--text-secondary); }

/* ══════════════════════════════════════════
   03 — COLOR
══════════════════════════════════════════ */

/* Intro token semántico */
.bd-color-token-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 52ch;
  margin-top: clamp(16px, 2vw, 24px);
  margin-bottom: 0;
}

/* Parte A: tokens en contexto UI */

.bd-color-tokens {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

.bd-color-row {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  padding: clamp(24px, 3vw, 40px) clamp(24px, 3vw, 40px);
  background: var(--surface);
  transition: background var(--duration-base);
}

/* Cada fila muestra el token en su contexto real */
.bd-color-row--ink        { background: var(--surface); }
.bd-color-row--secondary  { background: var(--surface); }
.bd-color-row--muted      { background: var(--surface); }
.bd-color-row--on-dark    { background: var(--surface-dark); }
.bd-color-row--accent     { background: var(--surface); }
.bd-color-row--surface    { background: var(--surface); border: 1px solid var(--border-subtle); }
.bd-color-row--surface-alt{ background: var(--surface-alt); }
.bd-color-row--surface-dark{ background: var(--surface-dark); }
.bd-color-row--rose       { background: var(--color-rose); }

.bd-color-swatch {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-2);
  flex-shrink: 0;
  border: 1px solid var(--border-subtle);
}

/* Swatches coloreados por contexto */
.bd-color-row--ink         .bd-color-swatch { background: var(--text); border: none; }
.bd-color-row--secondary   .bd-color-swatch { background: var(--text-secondary); border: none; }
.bd-color-row--muted       .bd-color-swatch { background: var(--text-muted); border: none; }
.bd-color-row--on-dark     .bd-color-swatch { background: var(--text-on-dark); border: none; }
.bd-color-row--accent      .bd-color-swatch { background: var(--text-accent); border: none; }
.bd-color-row--surface     .bd-color-swatch { background: var(--surface); }
.bd-color-row--surface-alt .bd-color-swatch { background: var(--surface-alt); }
.bd-color-row--surface-dark .bd-color-swatch{ background: var(--surface-dark); border: none; }
.bd-color-row--rose        .bd-color-swatch { background: var(--color-rose); }

.bd-color-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bd-color-token {
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  font-feature-settings: "ss01";
}

.bd-color-row--ink          .bd-color-token,
.bd-color-row--secondary    .bd-color-token,
.bd-color-row--muted        .bd-color-token,
.bd-color-row--accent       .bd-color-token,
.bd-color-row--surface      .bd-color-token,
.bd-color-row--surface-alt  .bd-color-token,
.bd-color-row--rose         .bd-color-token { color: var(--text); }

.bd-color-row--on-dark      .bd-color-token,
.bd-color-row--surface-dark .bd-color-token { color: var(--text-on-dark); }

.bd-color-hex {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.1em;
}

.bd-color-row--ink          .bd-color-hex,
.bd-color-row--secondary    .bd-color-hex,
.bd-color-row--muted        .bd-color-hex,
.bd-color-row--accent       .bd-color-hex,
.bd-color-row--surface      .bd-color-hex,
.bd-color-row--surface-alt  .bd-color-hex,
.bd-color-row--rose         .bd-color-hex { color: var(--text-muted); }

.bd-color-row--on-dark      .bd-color-hex,
.bd-color-row--surface-dark .bd-color-hex { color: var(--text-on-dark-muted); }

.bd-color-contrast {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
}

.bd-color-contrast--pass {
  background: var(--border-subtle);
  color: var(--text-secondary);
}

.bd-color-contrast--pass-dark {
  background: var(--glass-dark-bg);
  color: var(--text-on-dark);
}

.bd-color-example-text {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: 1.5;
}

.bd-color-row--ink         .bd-color-example-text { color: var(--text); }
.bd-color-row--secondary   .bd-color-example-text { color: var(--text-secondary); }
.bd-color-row--muted       .bd-color-example-text { color: var(--text-muted); }
.bd-color-row--on-dark     .bd-color-example-text { color: var(--text-on-dark); }
.bd-color-row--accent      .bd-color-example-text { color: var(--text-accent); }
.bd-color-row--surface-dark .bd-color-example-text{ color: var(--text-on-dark-secondary); }
.bd-color-row--rose        .bd-color-example-text { color: var(--text); }

/* Parte B: Brand application con imágenes reales */

.bd-color-brand-title {
  margin-top: clamp(64px, 8vw, 100px);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.bd-color-brand-desc {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  color: var(--text-muted);
  margin-bottom: 32px;
}

.bd-brand-application-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}

.bd-brand-app-card {
  aspect-ratio: 1;
  position: relative;
  overflow: hidden;
}

.bd-brand-app-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}

.bd-brand-app-card--metal   .bd-brand-app-card-bg { background-image: url('../images/metal-sheet.png'); }
.bd-brand-app-card--salmon  .bd-brand-app-card-bg { background-image: url('../images/salmon-wall.png'); }
.bd-brand-app-card--concrete .bd-brand-app-card-bg { background-image: url('../images/concrete-wall.png'); }

.bd-brand-app-card-logo {
  position: relative;
  z-index: var(--z-base);
  width: 40%;
  max-width: 200px;
}

.bd-brand-app-card--metal   .bd-brand-app-card-logo { color: var(--text-on-dark); }
.bd-brand-app-card--salmon  .bd-brand-app-card-logo { color: var(--color-ink); }
.bd-brand-app-card--concrete .bd-brand-app-card-logo { color: var(--color-ink); }

/* ══════════════════════════════════════════
   04 — TIPOGRAFÍA
══════════════════════════════════════════ */

/* Familia: Bricolage Grotesque */

.bd-type-family {
  margin-bottom: clamp(64px, 8vw, 100px);
}

.bd-type-family-header {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-subtle);
}

.bd-type-family-name {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.bd-type-family-token {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.bd-type-family-role {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-muted);
  margin-left: auto;
}

/* Pesos Bricolage */

.bd-type-weights {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bd-type-weight-row {
  display: flex;
  align-items: baseline;
  gap: 32px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.bd-type-weight-row:last-child { border-bottom: none; }

.bd-type-weight-num {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-muted);
  min-width: 40px;
  flex-shrink: 0;
}

.bd-type-weight-sample {
  flex: 1;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.5rem);
  line-height: 1.1;
  color: var(--text);
}

/* DM Sans demo */

.bd-type-sans-demo {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 24px;
}


.bd-type-sans-role {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: block;
}

/* Lora demo */

.bd-type-serif-para {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.65;
  color: var(--text-secondary);
  max-width: 60ch;
  margin-top: 24px;
}

.bd-type-serif-para--quote {
  font-style: italic;
  margin-top: 24px;
}

/* Escala tipográfica */

.bd-type-scale {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-type-scale-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.bd-type-scale-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bd-type-scale-item {
  display: flex;
  align-items: baseline;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.bd-type-scale-item:last-child { border-bottom: none; }

.bd-type-scale-meta {
  flex-shrink: 0;
  min-width: 140px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.bd-type-scale-token {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.bd-type-scale-px {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 400;
}

.bd-type-scale-sample {
  font-family: var(--font-sans);
  color: var(--text);
  line-height: 1.2;
}

/* ══════════════════════════════════════════
   05 — ESPACIO
══════════════════════════════════════════ */

/* Sistema de espaciado */

.bd-space-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.bd-space-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: clamp(64px, 8vw, 100px);
}

.bd-space-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.bd-space-block {
  background: var(--surface-white);
  box-shadow: var(--shadow-subtle);
  height: 8px;
}

.bd-space-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.1em;
}

/* Grid visual 4/8px */
.bd-space-item--4px   .bd-space-block { width: 4px; }
.bd-space-item--8px   .bd-space-block { width: 8px; }
.bd-space-item--12px  .bd-space-block { width: 12px; }
.bd-space-item--16px  .bd-space-block { width: 16px; }
.bd-space-item--20px  .bd-space-block { width: 20px; }
.bd-space-item--24px  .bd-space-block { width: 24px; }
.bd-space-item--32px  .bd-space-block { width: 32px; }
.bd-space-item--40px  .bd-space-block { width: 40px; }
.bd-space-item--48px  .bd-space-block { width: 48px; }
.bd-space-item--56px  .bd-space-block { width: 56px; }
.bd-space-item--64px  .bd-space-block { width: 64px; }
.bd-space-item--80px  .bd-space-block { width: 80px; }
.bd-space-item--96px  .bd-space-block { width: 96px; }
.bd-space-item--120px .bd-space-block { width: 120px; }

/* Border radius */

.bd-radius-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.bd-radius-grid {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: 24px;
}

.bd-radius-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}

.bd-radius-block {
  width: 80px;
  height: 80px;
  background: var(--surface-white);
  box-shadow: var(--shadow-medium);
}

.bd-radius-block--1    { border-radius: var(--radius-1); }
.bd-radius-block--2    { border-radius: var(--radius-2); }
.bd-radius-block--3    { border-radius: var(--radius-3); }
.bd-radius-block--4    { border-radius: var(--radius-4); }
.bd-radius-block--full {
  border-radius: var(--radius-full);
  width: 80px;
  height: 80px;
}

.bd-radius-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.08em;
}

/* ══════════════════════════════════════════
   05b — SOMBRA (nueva sección)
══════════════════════════════════════════ */

.bd-shadow-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 52ch;
  margin-bottom: 0;
}

.bd-shadow-grid {
  margin-top: clamp(40px, 5vw, 64px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
}

.bd-shadow-item {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.bd-shadow-card {
  background: var(--surface-white);
  padding: 32px 28px;
  min-height: 120px;
  display: flex;
  align-items: flex-end;
}

.bd-shadow-card--subtle     { box-shadow: var(--shadow-subtle); }
.bd-shadow-card--medium     { box-shadow: var(--shadow-medium); }
.bd-shadow-card--pronounced { box-shadow: var(--shadow-pronounced); }

.bd-shadow-meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.bd-shadow-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.bd-shadow-token {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.bd-shadow-use {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  line-height: 1.5;
}

/* ══════════════════════════════════════════
   06 — VOZ
══════════════════════════════════════════ */

/* Encabezados en contexto oscuro */
.bd-section--dark .bd-section-tag { color: var(--text-on-dark-muted); }
.bd-section--dark h2 { color: var(--text-on-dark); }

/* Columnas de voz: sin cards, texto que respira */
.bd-voice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 4vw, 64px);
  margin-top: clamp(40px, 5vw, 64px);
}

.bd-voice-col-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 32px;
  display: block;
}

.bd-voice-col--do   .bd-voice-col-title { color: var(--text-on-dark-muted); }
.bd-voice-col--dont .bd-voice-col-title { color: var(--text-on-dark-muted); }

.bd-voice-examples {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Ejemplos sin card: solo texto separado por línea divisoria */
.bd-voice-example {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-strong);
  position: relative;
}

.bd-voice-example:last-child {
  border-bottom: none;
}

/* Quitar fondos de las columnas — limpio */
.bd-voice-col--do   .bd-voice-example { background: none; }
.bd-voice-col--dont .bd-voice-example { background: none; }

.bd-voice-quote {
  font-family: var(--font-serif);
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.5;
  display: block;
  margin-bottom: 8px;
}

.bd-voice-col--do   .bd-voice-quote { color: var(--text-on-dark); }

/* Lo que no decimos: tachado + muted, sin tarjeta */
.bd-voice-col--dont .bd-voice-quote {
  color: var(--text-on-dark-muted);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

/* FIX 2 — dark mode: subir opacidad del texto tachado para pasar WCAG AA */
[data-theme="dark"] .bd-voice-col--dont .bd-voice-quote {
  color: var(--color-white-65);
}

.bd-voice-note {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

/* Vocabulario prohibido */

.bd-vocab-section {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-vocab-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: 32px;
  display: block;
}

.bd-vocab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
}

.bd-vocab-term {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: 400;
  color: var(--text-on-dark-muted);
  padding: 8px 16px;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-full);
  text-decoration: line-through;
  text-decoration-thickness: 1px;
}

/* Principios de tono */

.bd-tone-principles {
  margin-top: clamp(48px, 6vw, 80px);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2px;
}

.bd-tone-principle {
  padding: 32px;
  background: var(--surface-dark);
  border-top: 1px solid var(--border-strong);
}

.bd-tone-principle-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: 12px;
  display: block;
}

.bd-tone-principle-desc {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-on-dark);
}

/* ── Footer ── */

.bd-footer {
  padding: 48px clamp(24px, 5vw, 80px);
  background: var(--surface-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.bd-footer-brand {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
}

.bd-footer-version {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--text-on-dark-muted);
}

.bd-footer-back {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  transition: color var(--duration-base);
}

.bd-footer-back:hover { color: var(--text-on-dark); }

.bd-footer-back:focus-visible {
  outline: 2px solid var(--text-on-dark);
  outline-offset: 4px;
}

/* ── Focus global ── */

:focus-visible {
  outline: 2px solid var(--text);
  outline-offset: 3px;
}

.bd-section--dark :focus-visible {
  outline-color: var(--text-on-dark);
}

/* ── Skip link ── */

.bd-page .skip-link {
  position: absolute;
  top: -100%;
  left: 24px;
  z-index: var(--z-overlay);
  background: var(--surface);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: 700;
  padding: 8px 16px;
  border: 2px solid var(--text);
  border-radius: var(--radius-2);
  transition: top var(--duration-fast);
}

.bd-page .skip-link:focus { top: 16px; }

/* ══════════════════════════════════════════
   01b — FUNDAMENTOS
══════════════════════════════════════════ */

/* Bloque base — estructura común a los 7 bloques */
.bd-fund-block {
  margin-top: clamp(64px, 8vw, 100px);
  padding-top: clamp(40px, 5vw, 64px);
  border-top: 1px solid var(--border-subtle);
}

.bd-fund-block:first-of-type {
  margin-top: clamp(48px, 6vw, 80px);
}

/* Header del bloque */
.bd-fund-block-header {
  margin-bottom: clamp(32px, 4vw, 48px);
}

.bd-fund-block-h3 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text);
  letter-spacing: -0.01em;
}

/* Cuerpo de bloque — para texto corrido (bloques 4, 5, 6) */
.bd-fund-block-body {
  max-width: 72ch;
}

/* Texto de párrafos */
.bd-fund-body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.bd-fund-body:last-child {
  margin-bottom: 0;
}

/* Layout dos columnas — bloques 1 y 2 */
.bd-fund-block-body--two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  max-width: none;
}

.bd-fund-col {
  /* nada extra — hereda .bd-fund-body */
}

/* Grid de valores — bloque 3 */
.bd-fund-values-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(24px, 3vw, 40px);
  list-style: none;
  margin: 0;
  padding: 0;
}

.bd-fund-value-item {
  padding: clamp(24px, 3vw, 36px);
  background: var(--surface);
  border-top: 2px solid var(--border-subtle);
}

.bd-fund-value-title {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 12px;
}

.bd-fund-value-desc {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
}

/* Adjetivos de apertura — bloque 4 */
.bd-fund-adjectives {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: clamp(28px, 3vw, 40px);
}

/* Pull quote — bloque 5 */
.bd-fund-pullquote {
  margin: clamp(28px, 3vw, 40px) 0;
  padding-left: clamp(20px, 3vw, 32px);
  border-left: 3px solid var(--text);
}

.bd-fund-pullquote p {
  font-family: var(--font-serif);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  line-height: 1.4;
  font-style: italic;
  color: var(--text);
  margin: 0;
}

/* Exclusión — bloque 6 */
.bd-fund-exclusion {
  margin-top: clamp(32px, 4vw, 48px);
  padding: clamp(24px, 3vw, 36px);
  background: var(--surface-dark);
  border-left: 3px solid var(--text-on-dark-muted);
}

.bd-fund-exclusion-label {
  display: block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  margin-bottom: 16px;
}

.bd-fund-exclusion-body {
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.7;
  color: var(--text-on-dark-secondary);
  margin: 0;
}

/* Lista de principios — bloque 7 */
.bd-fund-block--principles {
  /* hereda el bloque base */
}

.bd-fund-principles-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bd-fund-principle-item {
  display: flex;
  align-items: baseline;
  gap: clamp(20px, 3vw, 36px);
  padding: clamp(20px, 2.5vw, 32px) 0;
  border-bottom: 1px solid var(--border-subtle);
}

.bd-fund-principle-item:last-child {
  border-bottom: none;
}

.bd-fund-principle-num {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  flex-shrink: 0;
  min-width: 28px;
}

.bd-fund-principle-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 2rem);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

/* ══════════════════════════════════════════
   07 — VOZ: bloques extendidos
══════════════════════════════════════════ */

/* Tono por contexto */

.bd-tone-contexts {
  margin-top: clamp(48px, 6vw, 80px);
}

.bd-tone-context-grid {
  margin-top: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.bd-tone-context {
  padding: clamp(28px, 3.5vw, 48px);
  border: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bd-tone-context-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  display: block;
}

.bd-tone-context-desc {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: 1.7;
  color: var(--text-on-dark-secondary);
  margin: 0;
}

.bd-tone-context-example {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-on-dark-muted);
  border-left: 2px solid var(--border-strong);
  padding-left: 16px;
  margin: 4px 0 0;
}

/* Elevator pitch */

.bd-pitch-section {
  margin-top: clamp(48px, 6vw, 80px);
}

.bd-pitch-section .bd-tone-principle-desc {
  margin-top: 8px;
  margin-bottom: 32px;
  max-width: 60ch;
}

.bd-pitch-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.bd-pitch-version {
  padding: clamp(28px, 3.5vw, 48px);
  border: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.bd-pitch-version-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  display: block;
}

.bd-pitch-text {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--text-on-dark);
  margin: 0;
}

/* Boilerplate */

.bd-boilerplate-section {
  margin-top: clamp(48px, 6vw, 80px);
}

.bd-boilerplate-section .bd-tone-principle-desc {
  margin-top: 8px;
  margin-bottom: 32px;
  max-width: 60ch;
}

.bd-boilerplate-card {
  padding: clamp(32px, 4vw, 56px);
  border: 1px solid var(--border-strong);
  border-left: 3px solid var(--text-on-dark-muted);
}

.bd-boilerplate-text {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.8;
  color: var(--text-on-dark-secondary);
  margin: 0;
  max-width: 72ch;
}

/* CTAs estándar */

.bd-cta-section {
  margin-top: clamp(48px, 6vw, 80px);
}

.bd-cta-section .bd-tone-principle-desc {
  margin-top: 8px;
  margin-bottom: 32px;
  max-width: 60ch;
}

.bd-cta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.bd-cta-item {
  padding: clamp(28px, 3.5vw, 48px);
  border-top: 1px solid var(--border-strong);
  border-right: 1px solid var(--border-strong);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.bd-cta-item:nth-child(even) {
  border-right: none;
}

.bd-cta-context {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  display: block;
}

.bd-cta-text {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text-on-dark);
  display: block;
}

.bd-cta-note {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: 1.5;
  color: var(--text-on-dark-muted);
  display: block;
}

/* ══════════════════════════════════════════
   04b — TIPOGRAFÍA: Interlineado y reglas de aplicación
══════════════════════════════════════════ */

/* ── Bloque: Interlineado por nivel ── */

.bd-type-leading {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-type-leading-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  max-width: 60ch;
  margin-top: 24px;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.bd-type-leading-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--border-subtle);
}

.bd-type-leading-th {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  text-align: left;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--surface);
}

.bd-type-leading-row {
  border-bottom: 1px solid var(--border-subtle);
}

.bd-type-leading-row:last-child {
  border-bottom: none;
}

.bd-type-leading-td {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: var(--lh-base);
  color: var(--text);
  padding: 16px 20px;
  vertical-align: top;
}

.bd-type-leading-code {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-1);
  padding: 2px 6px;
  white-space: nowrap;
}

.bd-type-leading-px {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

.bd-type-leading-note {
  color: var(--text-secondary);
  font-size: var(--fs-caption);
  line-height: var(--lh-relaxed);
}

.bd-type-leading-display {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  color: var(--text);
}

/* Fila doble: dos opciones de line-height en la misma celda */
.bd-type-leading-dual-item {
  display: block;
  padding: 4px 0;
  line-height: var(--lh-snug);
}

.bd-type-leading-dual-item + .bd-type-leading-dual-item {
  border-top: 1px solid var(--border-subtle);
  margin-top: 4px;
}

.bd-type-leading-context {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-muted);
  margin-left: 4px;
}

/* ── Bloque: Cómo se aplica el sistema, web vs. documento ── */

.bd-type-rules {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-type-rules-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  max-width: 60ch;
  margin-top: 24px;
  margin-bottom: clamp(32px, 4vw, 48px);
}

.bd-type-rules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--border-subtle);
}

.bd-type-rules-col {
  padding: clamp(28px, 3.5vw, 48px);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bd-type-rules-col + .bd-type-rules-col {
  border-left: 1px solid var(--border-subtle);
}

.bd-type-rules-col-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
}

.bd-type-rules-col-sub {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 400;
  color: var(--text-muted);
  display: block;
  margin-bottom: 16px;
}

.bd-type-rules-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.bd-type-rules-item {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
}

.bd-type-rules-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.bd-type-rules-code {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-1);
  padding: 2px 6px;
  white-space: nowrap;
}

/* ══════════════════════════════════════════
   02b — LOGO: Usos incorrectos (Bloque A)
══════════════════════════════════════════ */

.bd-logo-error-section {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-logo-error-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-top: clamp(32px, 4vw, 48px);
}

.bd-logo-error-cell {
  display: flex;
  flex-direction: column;
  gap: 0;
  background: var(--surface-dark);
}

/* Celda del caso "sin contraste" tiene su propio fondo */
.bd-logo-error-cell--no-contrast {
  background: var(--color-ink-20);
}

.bd-logo-error-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(32px, 4vw, 48px) clamp(24px, 3vw, 40px);
  min-height: 140px;
}

/* Color del logo en cada celda: por defecto blanco sobre fondo oscuro */
.bd-logo-error-cell:not(.bd-logo-error-cell--no-contrast) .bd-logo-error-preview svg {
  color: var(--text-on-dark);
}

/* Caso sin contraste: el logo en tinta sobre fondo casi igual */
.bd-logo-error-cell--no-contrast .bd-logo-error-preview svg {
  color: var(--color-ink);
}

/* Transformaciones de error vía clase */
.bd-logo-error--gradient {
  filter: hue-rotate(180deg) saturate(3);
}

.bd-logo-error--rotated {
  transform: rotate(90deg);
}

.bd-logo-error--stretched {
  transform: scaleX(1.5);
}

.bd-logo-error--shadow {
  filter: drop-shadow(4px 4px 8px rgba(0,0,0,0.6));
}

.bd-logo-error--color-alterado {
  color: #e63946;
}

.bd-logo-error-info {
  padding: clamp(20px, 2.5vw, 28px) clamp(20px, 2.5vw, 28px) clamp(24px, 3vw, 32px);
  display: flex;
  flex-direction: column;
  gap: 8px;
  border-top: 1px solid var(--border-strong);
}

.bd-logo-error-cell--no-contrast .bd-logo-error-info {
  border-top-color: var(--border-medium);
}

.bd-logo-error-badge {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-1);
  padding: 3px 8px;
  width: fit-content;
}

.bd-logo-error-cell--no-contrast .bd-logo-error-badge {
  color: var(--text);
  border-color: var(--border-medium);
}

.bd-logo-error-note {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: 1.6;
  color: var(--text-on-dark-secondary);
  margin: 0;
}

.bd-logo-error-cell--no-contrast .bd-logo-error-note {
  color: var(--text-secondary);
}

/* ══════════════════════════════════════════
   02c — LOGO: Lockup con tagline (Bloque B)
══════════════════════════════════════════ */

.bd-logo-lockup-section {
  margin-top: clamp(64px, 8vw, 100px);
}

.bd-logo-lockup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: clamp(32px, 4vw, 48px);
}

.bd-logo-lockup-cell {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  padding: clamp(32px, 4vw, 56px);
}

.bd-logo-lockup-cell--sand {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
}

.bd-logo-lockup-cell--dark {
  background: var(--surface-dark);
}

.bd-logo-lockup-cell--rose {
  background: var(--color-rose);
}

/* Lockup: logo + tagline apilados */
.bd-logo-lockup {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-4);
}

.bd-logo-lockup svg {
  display: block;
  width: auto;
  flex-shrink: 0;
}

/* Colores del lockup según contexto */
.bd-logo-lockup-cell--sand .bd-logo-lockup {
  color: var(--text);
}

.bd-logo-lockup-cell--dark .bd-logo-lockup {
  color: var(--text-on-dark);
}

.bd-logo-lockup-cell--rose .bd-logo-lockup {
  color: var(--text);
}

/* Tagline */
.bd-logo-lockup-tagline {
  font-family: var(--font-serif);
  font-size: var(--fs-caption);
  font-weight: 400;
  font-style: normal;
  letter-spacing: 0.08em;
  line-height: 1;
  color: currentColor;
  display: block;
}

/* Etiqueta de contexto en la celda */
.bd-logo-lockup-label {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.bd-logo-lockup-cell--sand .bd-logo-lockup-label {
  color: var(--text-muted);
}

.bd-logo-lockup-cell--dark .bd-logo-lockup-label {
  color: var(--text-on-dark-muted);
}

.bd-logo-lockup-cell--rose .bd-logo-lockup-label {
  color: var(--text-secondary);
}

/* ══════════════════════════════════════════
   03b — COLOR: Combos prohibidos (Bloque C)
══════════════════════════════════════════ */

.bd-color-combo-section {
  margin-top: clamp(64px, 8vw, 100px);
  margin-bottom: clamp(64px, 8vw, 100px);
}

.bd-color-combo-title {
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 8px;
}

.bd-color-combo-intro {
  font-family: var(--font-serif);
  font-size: var(--fs-base);
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 52ch;
  margin-bottom: 0;
}

.bd-color-combo-list {
  margin-top: clamp(32px, 4vw, 48px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
}

/* Filas de combos prohibidos — extienden bd-color-row */
.bd-color-combo-row--forbidden {
  display: grid;
  grid-template-columns: 160px 1fr 1fr;
  align-items: start;
  gap: 32px;
  padding: clamp(20px, 2.5vw, 32px) clamp(24px, 3vw, 40px);
  background: var(--surface);
}

.bd-color-combo-row--on-dark {
  background: var(--surface-dark);
}

.bd-color-combo-row--on-rose {
  background: var(--surface);
}

/* Demo: zona de previsualización del combo */
.bd-color-combo-demo {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 16px;
  min-height: 72px;
  border-radius: var(--radius-2);
  border: 1px solid var(--border-subtle);
  flex-shrink: 0;
  align-self: center;
}

.bd-color-combo-row--on-dark .bd-color-combo-demo {
  border-color: var(--border-strong);
}

.bd-color-combo-sample {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  font-weight: 400;
  line-height: 1.4;
  /* color y background vienen como style inline del token real */
}

.bd-color-combo-note {
  font-family: var(--font-sans);
  font-size: var(--fs-caption);
  line-height: 1.6;
  margin: 0;
  align-self: center;
  color: var(--text-secondary);
}

.bd-color-combo-row--on-dark .bd-color-combo-note {
  color: var(--text-on-dark-secondary);
}

/* Badge de fallo — análogo a bd-color-contrast--pass */
.bd-color-contrast--fail {
  background: rgba(192, 57, 43, 0.12);
  color: #c0392b;
  font-family: var(--font-sans);
  font-size: var(--fs-xs);
  font-weight: 500;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: var(--radius-1);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
  border: 1px solid rgba(192, 57, 43, 0.25);
}

/* ── Responsive ── */

@media (max-width: 900px) {
  /* bd-logo-grid es flex. Forzar columna para que no queden 2+1 desparejos en tablet */
  .bd-logo-cell { flex: 1 1 100%; }
  .bd-brand-application-grid { grid-template-columns: 1fr; }
  .bd-voice-grid { grid-template-columns: 1fr; }
  .bd-color-row { flex-wrap: wrap; gap: 16px; }
  .bd-type-weight-row { flex-wrap: wrap; }
  .bd-type-scale-item { flex-wrap: wrap; }
  .bd-type-scale-meta { min-width: auto; }
  .bd-shadow-grid { grid-template-columns: 1fr; }

  /* Fundamentos — colapsar dos columnas a una */
  .bd-fund-block-body--two-col { grid-template-columns: 1fr; }
  .bd-fund-values-grid { grid-template-columns: 1fr; }
  .bd-fund-principle-item { gap: 16px; }

  /* Voz extendida — colapsar grids de 2 columnas */
  .bd-tone-context-grid { grid-template-columns: 1fr; }
  .bd-pitch-grid { grid-template-columns: 1fr; }
  .bd-cta-grid { grid-template-columns: 1fr; }
  .bd-cta-item { border-right: none; border-left: 1px solid var(--border-strong); }

  /* Tipografía extendida — colapsar tabla y grid de reglas */
  .bd-type-leading-table thead { display: none; }
  .bd-type-leading-table,
  .bd-type-leading-table tbody,
  .bd-type-leading-row { display: block; }
  .bd-type-leading-td {
    display: block;
    padding: 4px 16px;
  }
  .bd-type-leading-td:first-child { padding-top: 16px; }
  .bd-type-leading-td:last-child {
    padding-bottom: 16px;
    color: var(--text-muted);
    font-size: var(--fs-xs);
  }
  .bd-type-leading-td::before {
    display: block;
    font-family: var(--font-sans);
    font-size: var(--fs-xs);
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 2px;
  }
  .bd-type-leading-td:nth-child(1)::before { content: "Font size"; }
  .bd-type-leading-td:nth-child(2)::before { content: "Line height"; }
  .bd-type-leading-td:nth-child(3)::before { content: "Nota"; }
  .bd-type-leading-row {
    border-bottom: 1px solid var(--border-subtle);
    padding: 0;
  }

  .bd-type-rules-grid { grid-template-columns: 1fr; }
  .bd-type-rules-col + .bd-type-rules-col {
    border-left: none;
    border-top: 1px solid var(--border-subtle);
  }

  /* Bloque A: logo errores — 2 columnas en tablet, 1 en mobile */
  .bd-logo-error-grid { grid-template-columns: repeat(2, 1fr); }

  /* Bloque B: lockup — 1 columna */
  .bd-logo-lockup-grid { grid-template-columns: 1fr; }

  /* Bloque C: combos prohibidos — colapsar a columna */
  .bd-color-combo-row--forbidden {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .bd-color-combo-demo {
    min-height: 56px;
    width: 100%;
  }
}

@media (max-width: 600px) {
  .bd-logo-clearspace {
    flex-direction: column;
    gap: 32px;
    padding: clamp(32px, 6vw, 48px) clamp(20px, 4vw, 32px);
  }
  .bd-logo-clearspace-demo {
    padding: 32px 40px;
    max-width: 100%;
  }
  .bd-logo-clearspace-demo svg {
    max-width: 100%;
    height: auto;
  }
  .bd-logo-isotipo-cell { padding: 20px; gap: 12px; }
  .bd-type-family-header { flex-wrap: wrap; gap: 8px; }
  .bd-type-family-role { margin-left: 0; }
  .bd-footer {
    flex-direction: column;
    text-align: center;
    align-items: flex-start;
  }
  .bd-space-grid { gap: 16px; }

  /* Color rows: asegurar que swatch + info + example no rompan layout */
  .bd-color-row { padding: 20px; }
  .bd-color-info { width: 100%; }
  .bd-color-example-text { width: 100%; }

  /* Voice examples: line-through puede cortar raro en mobile */
  .bd-voice-quote { font-size: 1.0625rem; }

  /* Vocab pills en mobile — permitir wrap sin cortar términos */
  .bd-vocab-list { gap: 6px; }
  .bd-vocab-term { padding: 6px 12px; }

  /* Bloque A: logo errores — 1 columna en mobile */
  .bd-logo-error-grid { grid-template-columns: 1fr; }
}

/* 375px y menos — safety net para pantallas muy chicas */
@media (max-width: 380px) {
  .bd-container {
    padding-left: 20px;
    padding-right: 20px;
  }
  .bd-declaration-inner {
    padding-left: 20px;
    padding-right: 20px;
  }
  .bd-nav { padding: 16px 20px; }
  .bd-logo-cell { padding: 24px 20px; }
  .bd-space-grid { gap: 12px 16px; }
}