/*
 * Lex Digitalis · RC12.2
 * Sistema visual global del Core público.
 * Alcance: shell público, navegación, footer y primitivas visuales compartidas.
 * No altera el motor Express/Avanzado, Memento, scoring, preguntas, pagos ni área privada.
 */

:root {
  /* Color */
  --ld-color-canvas: #fbfaf7;
  --ld-color-surface: #ffffff;
  --ld-color-surface-soft: #f4f1e8;
  --ld-color-surface-muted: #f2f4f7;
  --ld-color-ink: #15203a;
  --ld-color-ink-strong: #0f1727;
  --ld-color-muted: #566176;
  --ld-color-muted-strong: #465166;
  --ld-color-border: #ded9cc;
  --ld-color-border-strong: #c9c2b2;
  --ld-color-brand: #1d2940;
  --ld-color-brand-strong: #0f1727;
  --ld-color-accent: #b8943b;
  --ld-color-accent-strong: #d9b95c;
  --ld-color-accent-text: #755a16;
  --ld-color-success: #21613a;
  --ld-color-warning: #7a5a12;
  --ld-color-danger: #a51f17;
  --ld-color-focus: #2868c7;

  /* Compatibility aliases inherited by RC11/RC12 surfaces. */
  --background: var(--ld-color-canvas);
  --foreground: var(--ld-color-ink);
  --card: var(--ld-color-surface);
  --card-2: var(--ld-color-surface-soft);
  --muted: var(--ld-color-muted);
  --muted-2: var(--ld-color-muted-strong);
  --primary: var(--ld-color-brand);
  --primary-2: var(--ld-color-brand-strong);
  --accent: var(--ld-color-accent);
  --accent-strong: var(--ld-color-accent-strong);
  --accent-deep: var(--ld-color-accent-text);
  --border: var(--ld-color-border);
  --soft: var(--ld-color-surface-soft);
  --success: var(--ld-color-success);
  --warning: var(--ld-color-warning);
  --danger: var(--ld-color-danger);
  --ink: var(--ld-color-ink);

  /* Typography: local/system stack only; no third-party dependency. */
  --ld-font-body: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --ld-font-heading: ui-serif, Georgia, Cambria, "Times New Roman", Times, serif;
  --ld-font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --font-body: var(--ld-font-body);
  --font-heading: var(--ld-font-heading);
  --font-mono: var(--ld-font-mono);
  --ld-text-xs: 0.75rem;
  --ld-text-sm: 0.875rem;
  --ld-text-md: 1rem;
  --ld-text-lg: 1.125rem;
  --ld-text-xl: 1.25rem;
  --ld-leading-tight: 1.14;
  --ld-leading-body: 1.65;

  /* Spacing: 4px base rhythm. */
  --ld-space-1: 0.25rem;
  --ld-space-2: 0.5rem;
  --ld-space-3: 0.75rem;
  --ld-space-4: 1rem;
  --ld-space-5: 1.25rem;
  --ld-space-6: 1.5rem;
  --ld-space-8: 2rem;
  --ld-space-10: 2.5rem;
  --ld-space-12: 3rem;
  --ld-space-16: 4rem;
  --ld-space-20: 5rem;

  /* Shape / depth */
  --ld-radius-sm: 0.625rem;
  --ld-radius-md: 0.875rem;
  --ld-radius-lg: 1.25rem;
  --ld-radius-xl: 1.75rem;
  --ld-radius-pill: 999px;
  --r-sm: var(--ld-radius-sm);
  --r-md: var(--ld-radius-md);
  --r-lg: var(--ld-radius-lg);
  --ld-shadow-sm: 0 1px 2px rgba(15, 23, 39, 0.06), 0 5px 16px rgba(15, 23, 39, 0.05);
  --ld-shadow-md: 0 14px 38px rgba(15, 23, 39, 0.10);
  --ld-shadow-lg: 0 24px 64px rgba(15, 23, 39, 0.16);
  --shadow-1: var(--ld-shadow-sm);
  --shadow-2: var(--ld-shadow-lg);
  --shadow: var(--ld-shadow-sm);

  /* Layout */
  --ld-container: 1180px;
  --ld-header-height: 84px;
  --ld-mobile-header-height: 72px;
  --container: var(--ld-container);

  /* Motion */
  --ld-ease: cubic-bezier(.2, .7, .2, 1);
  --ld-duration-fast: 140ms;
  --ld-duration: 220ms;
}

html {
  color-scheme: light;
  scroll-padding-top: 1rem;
}

body {
  background: var(--ld-color-canvas);
  color: var(--ld-color-ink);
  font-family: var(--ld-font-body);
  line-height: var(--ld-leading-body);
}

::selection {
  background: rgba(184, 148, 59, 0.24);
  color: var(--ld-color-ink-strong);
}

/* Keyboard focus: one global, high-contrast contract. */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--ld-color-focus);
  outline-offset: 3px;
}

.skip-link:focus-visible {
  outline-color: var(--ld-color-focus);
}

/* Public shell spacing follows the RC11.16 lateral-navigation baseline. */
.is-public-page .page-hero {
  padding-top: clamp(4.5rem, 7vw, 7rem);
}

.site-main .container {
  width: min(var(--ld-container), calc(100% - 2.5rem));
}

.site-main .section {
  padding-top: clamp(4.5rem, 7vw, 6.75rem);
  padding-bottom: clamp(4.5rem, 7vw, 6.75rem);
}

.site-main .eyebrow {
  color: var(--ld-color-accent-text);
  font-size: var(--ld-text-xs);
  font-weight: 800;
  letter-spacing: 0.18em;
}

.site-main h1,
.site-main h2,
.site-main h3,
.site-main h4 {
  text-wrap: balance;
}

.site-main h1 {
  letter-spacing: -0.025em;
}

.site-main h2 {
  letter-spacing: -0.018em;
}

.site-main p,
.site-main li {
  text-wrap: pretty;
}

/* Shared public controls. Scoped away from the Express modal and private shell. */
.site-main .btn,
.site-sidebar .btn,
.site-footer .btn,
.site-footer .footer-cta {
  min-height: 46px;
  border-radius: var(--ld-radius-md);
  transition:
    background-color var(--ld-duration) var(--ld-ease),
    border-color var(--ld-duration) var(--ld-ease),
    color var(--ld-duration) var(--ld-ease),
    box-shadow var(--ld-duration) var(--ld-ease),
    transform var(--ld-duration) var(--ld-ease);
}

.site-main .btn-primary,
.site-sidebar .btn-primary,
.site-footer .btn-primary,
.site-footer .footer-cta {
  background: var(--ld-color-brand-strong);
  border-color: var(--ld-color-brand-strong);
  color: #fff;
  box-shadow: 0 7px 18px rgba(15, 23, 39, 0.14);
}

.site-main .btn-primary:hover,
.site-sidebar .btn-primary:hover,
.site-footer .btn-primary:hover,
.site-footer .footer-cta:hover {
  background: #25334f;
  border-color: #25334f;
  color: #fff;
  transform: translateY(-1px);
}

.site-main .btn-outline,
.site-footer .btn-outline {
  background: rgba(255,255,255,.84);
  border-color: var(--ld-color-border-strong);
  color: var(--ld-color-ink-strong);
}

.site-main .btn-outline:hover,
.site-footer .btn-outline:hover {
  border-color: var(--ld-color-accent);
  background: #fff;
}

.site-main .card,
.site-main .wizard-card,
.site-main .legal-index,
.site-main .legal-table-wrap {
  border-color: var(--ld-color-border);
  border-radius: var(--ld-radius-lg);
  box-shadow: var(--ld-shadow-sm);
}

.site-main form:not(.audit-express-form) input:not([type="checkbox"]):not([type="radio"]),
.site-main form:not(.audit-express-form) select,
.site-main form:not(.audit-express-form) textarea {
  min-height: 46px;
  border: 1px solid var(--ld-color-border-strong);
  border-radius: var(--ld-radius-md);
  background: #fff;
  color: var(--ld-color-ink);
  padding: 0.72rem 0.85rem;
  transition: border-color var(--ld-duration-fast) ease, box-shadow var(--ld-duration-fast) ease;
}

.site-main form:not(.audit-express-form) textarea {
  min-height: 140px;
  resize: vertical;
}

.site-main form:not(.audit-express-form) input:not([type="checkbox"]):not([type="radio"]):focus,
.site-main form:not(.audit-express-form) select:focus,
.site-main form:not(.audit-express-form) textarea:focus {
  border-color: var(--ld-color-focus);
  box-shadow: 0 0 0 3px rgba(40, 104, 199, 0.13);
}

.site-main .alert-info,
.v6-public-flash {
  border-radius: var(--ld-radius-md);
}

/* C02 · Navigation exception approved after RC12.2 visual review.
 * The public navigation keeps the RC11.16 lateral sidebar and its original
 * 1080px mobile transition. main.css remains the canonical layout source.
 * RC12.2 visual tokens continue to apply to shared controls and C13 footer.
 */

/* C13 · Footer architecture */
.site-footer.site-footer-premium {
  position: relative;
  margin: 0;
  padding: clamp(3.5rem, 6vw, 5.5rem) 0 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(184,148,59,.12), transparent 28%),
    linear-gradient(180deg, #15203a 0%, #0f1727 100%);
  color: #f7f5ef;
  border-top: 1px solid rgba(255,255,255,.08);
}

.site-footer .footer-panel,
.site-footer .footer-bottom {
  width: min(var(--ld-container), calc(100% - 2.5rem));
}

.site-footer .footer-grid-premium {
  display: grid !important;
  grid-template-columns: minmax(220px, 1.35fr) repeat(3, minmax(150px, 1fr)) !important;
  gap: clamp(1.8rem, 4vw, 4rem) !important;
  align-items: start;
}

.site-footer .footer-column {
  display: grid !important;
  align-content: start;
  gap: .6rem !important;
}

.site-footer .footer-column-brand {
  gap: 1.25rem !important;
}

.site-footer .footer-brand-single {
  width: min(360px, 100%);
  height: auto;
  overflow: visible;
  border-radius: 0;
  background: transparent;
  border: 0;
}

.site-footer .footer-brand-single img {
  display: block;
  width: 360px !important;
  max-width: 100%;
  height: auto !important;
  object-fit: contain;
}

.site-footer .footer-brand-copy {
  max-width: 34ch;
  color: rgba(247,245,239,.72);
  font-size: .92rem;
  line-height: 1.6;
}

.site-footer .footer-brand-actions {
  display: grid !important;
  justify-items: start;
  gap: .65rem !important;
}

.site-footer .footer-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: .72rem 1rem;
  text-decoration: none;
  font-size: .88rem;
  font-weight: 800;
}

.site-footer .footer-secondary-link {
  color: rgba(247,245,239,.76) !important;
  font-size: .86rem;
  text-decoration: underline;
  text-decoration-color: rgba(217,185,92,.46);
  text-underline-offset: .2em;
}

.site-footer .footer-title {
  margin-bottom: .45rem;
  color: #fff !important;
  font-size: .76rem !important;
  font-weight: 850 !important;
  letter-spacing: .13em;
  text-transform: uppercase;
}

.site-footer .footer-column > a:not(.footer-cta):not(.footer-secondary-link) {
  width: fit-content;
  color: rgba(247,245,239,.70) !important;
  font-size: .88rem !important;
  line-height: 1.45;
  text-decoration: none;
  transition: color var(--ld-duration-fast) ease;
}

.site-footer .footer-column > a:not(.footer-cta):not(.footer-secondary-link):hover {
  color: #fff !important;
}

.site-footer .footer-bottom-premium {
  margin-top: clamp(2.8rem, 5vw, 4.5rem) !important;
  padding: 1.2rem 0 calc(1.2rem + env(safe-area-inset-bottom)) !important;
  display: flex !important;
  justify-content: space-between !important;
  gap: 1rem !important;
  border-top: 1px solid rgba(255,255,255,.11) !important;
  color: rgba(247,245,239,.57) !important;
  font-size: .78rem !important;
}

.site-footer .footer-bottom-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: .8rem;
}

.site-footer .footer-bottom-links a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255,255,255,.22);
  text-underline-offset: .18em;
}

@media (max-width: 900px) {
  .site-footer .footer-grid-premium {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
  }

  .site-footer .footer-column-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .site-main .container,
  .site-footer .footer-panel,
  .site-footer .footer-bottom {
    width: min(100% - 1.5rem, var(--ld-container));
  }

  .site-main .section {
    padding-top: 3.75rem;
    padding-bottom: 3.75rem;
  }

  .site-footer .footer-grid-premium {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
  }

  .site-footer .footer-column-brand {
    grid-column: auto;
  }

  .site-footer .footer-bottom-premium {
    align-items: flex-start !important;
    flex-direction: column !important;
  }

  .site-footer .footer-bottom-links {
    justify-content: flex-start;
  }
}

/* Accessibility: motion is an enhancement, never a dependency. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }

  .site-main .btn:hover,
  .site-sidebar .btn:hover,
  .site-footer .btn:hover,
  .site-footer .footer-cta:hover {
    transform: none !important;
  }
}

@media print {
  .site-sidebar,
  .mobile-topbar,
  .sidebar-backdrop,
  .site-footer {
    display: none !important;
  }

  .site-main {
    padding-top: 0 !important;
  }
}

/* Preserve contrast over the inherited photographic Home hero until RC12.3 rewrites it. */
.site-main .hero-impact .hero-impact-eyebrow {
  color: var(--ld-color-accent-strong);
}