/* =============================================================
   Casona San José — Anchor Nav (in-page)
   Barra sticky bajo el header. Hairlines, DM Sans uppercase.
   Subrayado activo verde-cajón. Scroll horizontal en mobile.
   Referencia: AnchorNav.jsx del design system.
   ============================================================= */


/* -----------------------------------------------------------
   POSICIÓN STICKY — bajo el header fijo (76px desktop)
   Admin bar suma 32px (desktop) / 46px (<782px).
   ----------------------------------------------------------- */

.csn-anchornav {
  position: sticky;
  top: 76px;
  z-index: 30;
  background: var(--bg-soft);
  border-top:    1px solid var(--color-borde);
  border-bottom: 1px solid var(--color-borde);
}

.admin-bar .csn-anchornav              { top: 108px; } /* 76 + 32 */

@media (max-width: 782px) {
  .admin-bar .csn-anchornav            { top: 122px; } /* 76 + 46 */
}

@media (max-width: 720px) {
  .csn-anchornav                       { top: 68px;  }
  .admin-bar .csn-anchornav            { top: 114px; } /* 68 + 46 */
}


/* -----------------------------------------------------------
   INNER — scroll horizontal sin barra visible
   ----------------------------------------------------------- */

.csn-anchornav__inner {
  max-width: var(--container-wide);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
  display: flex;
  justify-content: center;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.csn-anchornav__inner::-webkit-scrollbar {
  display: none;
}


/* -----------------------------------------------------------
   LINKS — DM Sans uppercase, subrayado activo
   ----------------------------------------------------------- */

.csn-anchornav a {
  flex-shrink: 0;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-sombra);
  text-decoration: none;
  padding: 22px 22px;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition:
    color       var(--duration-fast) var(--ease-out),
    border-color var(--duration-fast) var(--ease-out);
}

.csn-anchornav a:first-child { padding-inline-start: 0; }

.csn-anchornav a:hover {
  color: var(--color-noche);
}

.csn-anchornav a.is-active {
  color: var(--color-noche);
  border-bottom-color: var(--color-verde-cajon);
}


/* -----------------------------------------------------------
   MOBILE
   ----------------------------------------------------------- */

@media (max-width: 768px) {
  .csn-anchornav__inner {
    justify-content: flex-start;
  }
}

@media (max-width: 720px) {
  .csn-anchornav a {
    padding: 18px 14px;
    font-size: 11px;
  }
  .csn-anchornav a:first-child { padding-inline-start: 0; }
}


/* -----------------------------------------------------------
   PREFERS-REDUCED-MOTION
   ----------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .csn-anchornav a {
    transition: none;
  }
}