/* ============================================================
 * farpa DS · component · breadcrumb · v1.0.0 · 2026-05-10
 * ------------------------------------------------------------
 * Trilha de navegação · ativada gate S→B item D4 (CPO).
 * Aparece em páginas-filhas (não na home).
 *
 * Padrão:
 *   <nav class="farpa-breadcrumb" aria-label="Caminho">
 *     <ol>
 *       <li><a href="/pt/">Início</a></li>
 *       <li aria-current="page">Estruturas</li>
 *     </ol>
 *   </nav>
 *
 * Posição: entre header global e <main>. Não sticky.
 * ============================================================ */

.farpa-breadcrumb {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--sp-3) var(--sp-5) 0;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-muted);
}

.farpa-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.farpa-breadcrumb li {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.farpa-breadcrumb li + li::before {
  content: "/";
  color: var(--fg-muted);
  margin-right: var(--sp-1);
}

.farpa-breadcrumb a {
  color: var(--fg-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--motion-fast) var(--ease-standard);
}

.farpa-breadcrumb a:hover {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

.farpa-breadcrumb [aria-current="page"] {
  color: var(--fg);
  font-weight: var(--fw-medium);
}

[data-theme="hc"] .farpa-breadcrumb {
  color: currentColor;
}
[data-theme="hc"] .farpa-breadcrumb a {
  color: currentColor;
  border-bottom-color: currentColor;
}