/* =====================================================================
   Plantilla 404 — Página no encontrada
   Bloques err404-* (botones en buttons.css).
   ===================================================================== */

.err404 {
  display: flex;
  align-items: center;
  min-height: 70vh;
  padding-block: var(--fdq-space-xl);
}
.err404__inner {
  width: 100%;
  max-width: 46rem;
  margin-inline: auto;
  padding-inline: var(--fdq-space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--fdq-space-md);
}

.err404__code {
  margin: 0;
  font-family: var(--fdq-font-heading);
  font-weight: 800;
  line-height: 1;
  font-size: clamp(80px, 18vw, 160px);
  letter-spacing: var(--fdq-tracking-tight-2);
  color: var(--fdq-secondary-container);
}
.err404__title {
  margin: 0;
  color: #fff;
  font-size: clamp(28px, 4vw, 40px);
  line-height: 1.15;
  letter-spacing: var(--fdq-tracking-tight-1);
}
.err404__text {
  margin: 0;
  max-width: 36rem;
  font-size: var(--fdq-fs-body-lg);
  color: rgba(255, 255, 255, 0.9);
}

/* ---------- CTA ---------- */
.err404__cta { gap: var(--fdq-space-md); flex-wrap: wrap; justify-content: center; }

/* ---------- Enlaces útiles ---------- */
.err404__links {
  margin-top: var(--fdq-space-md);
  padding-top: var(--fdq-space-lg);
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}
.err404__links-title {
  margin: 0 0 var(--fdq-space-sm);
  font-size: var(--fdq-fs-label);
  font-weight: 700;
  letter-spacing: var(--fdq-tracking-caps);
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
}
.err404__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--fdq-space-xs) var(--fdq-space-md);
}
.err404__list li { margin: 0; }
.err404__list a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--fdq-duration-base) var(--fdq-ease-out);
}
.err404__list a:hover,
.err404__list a:focus { color: var(--fdq-secondary-container); }