/* ==========================================================================
   Buscador global — ícono en el header que expande un panel tipo acordeón
   a todo el ancho debajo de la barra principal (todas las páginas), y
   estilos de la página de resultados (buscar.html).
   ========================================================================== */

.site-header__search {
  display: flex;
  align-items: center;
}

.site-header__search-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  flex-shrink: 0;
  border-radius: 50%;
  color: var(--color-primary);
  background: transparent;
  transition: background var(--transition-fast), color var(--transition-fast);
}

.site-header__search-toggle:hover {
  background: var(--color-bg-muted);
}

.site-header__search-toggle svg {
  width: 20px;
  height: 20px;
}

.site-header__search.is-open .site-header__search-toggle {
  background: var(--color-bg-muted);
  color: var(--color-primary-dark);
}

/* Panel acordeón: cuelga a todo el ancho de la barra principal (que es
   position:relative), pegado justo debajo, y se abre/cierra con una
   transición suave de altura — nunca tapa los links, nunca queda tapado
   por el hero (hereda el z-index del header). */
.site-header__search-panel {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--color-white);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: max-height var(--transition-base), opacity var(--transition-base);
}

.site-header__search-panel.is-open {
  max-height: min(520px, 80vh);
  opacity: 1;
  pointer-events: auto;
}

.site-header__search-panel-inner {
  padding-block: var(--space-md);
  position: relative;
}

.site-header__search-form {
  position: relative;
  display: flex;
  align-items: center;
}

.site-header__search-form-icon {
  position: absolute;
  left: 1.25rem;
  width: 18px;
  height: 18px;
  color: var(--color-text-muted);
  pointer-events: none;
}

.site-header__search-input {
  width: 100%;
  padding: 0.85rem 1.5rem 0.85rem 3.1rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-bg-alt);
  font-size: var(--fs-sm);
}

.site-header__search-input:focus {
  outline: none;
  border-color: var(--color-primary-light);
  background: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.site-header__search-results {
  position: relative;
  margin-top: var(--space-2xs);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2xs);
  max-height: 60vh;
  overflow-y: auto;
  z-index: var(--z-overlay);
}

.search-preview__group {
  padding: var(--space-2xs) var(--space-2xs) var(--space-xs);
}

.search-preview__group + .search-preview__group {
  border-top: 1px solid var(--color-bg-muted);
}

.search-preview__group-label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: var(--space-2xs) var(--space-xs) var(--space-3xs);
}

.search-preview__item {
  display: flex;
  flex-direction: column;
  padding: var(--space-2xs) var(--space-xs);
  border-radius: var(--radius-sm);
  color: var(--color-text);
}

.search-preview__item:hover,
.search-preview__item:focus {
  background: var(--color-bg-alt);
}

.search-preview__item-title {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.search-preview__item-subtitle {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
}

.search-preview__empty {
  padding: var(--space-sm);
  font-size: var(--fs-sm);
  color: var(--color-text-muted);
  text-align: center;
}

.search-preview__all {
  display: block;
  margin-top: var(--space-2xs);
  padding: var(--space-xs);
  text-align: center;
  border-top: 1px solid var(--color-bg-muted);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.search-preview__all:hover {
  color: var(--color-primary-light);
}

/* ============================== PÁGINA DE RESULTADOS (buscar.html) ============================== */

.search-page-form {
  display: flex;
  gap: var(--space-2xs);
  max-width: 560px;
  margin: var(--space-md) auto 0;
}

.search-page-form input {
  flex: 1;
  padding: 0.85rem 1.25rem;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.12);
  color: var(--color-white);
  font-size: var(--fs-sm);
}

.search-page-form input::placeholder {
  color: rgba(255, 255, 255, 0.65);
}

.search-page-form input:focus {
  outline: none;
  border-color: var(--color-white);
}

.search-summary {
  margin-top: var(--space-sm);
  color: rgba(255, 255, 255, 0.85);
  font-size: var(--fs-sm);
}

/* Las 3 secciones de resultados (cursos/profesionales/blog) van apiladas
   una tras otra: el padding genérico de .section (pensado para secciones
   sueltas de landing) deja demasiado aire entre categorías acá. */
[data-search-courses],
[data-search-professionals],
[data-search-publications] {
  padding-block: var(--space-lg);
}

/* Resultados en texto, estilo Google: breadcrumb + título enlazado + snippet */
.search-results-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  max-width: var(--container-narrow);
}

.search-result__breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3xs);
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  color: var(--color-success);
}

.search-result__separator {
  color: var(--color-text-muted);
}

.search-result__title {
  display: inline-block;
  margin-top: var(--space-3xs);
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 700;
  line-height: var(--lh-tight);
  color: var(--color-primary);
  text-decoration: none;
}

.search-result__title:hover,
.search-result__title:focus {
  text-decoration: underline;
}

.search-result__title:visited {
  color: var(--color-primary-light);
}

.search-result + .search-result {
  padding-top: var(--space-sm);
  border-top: 1px solid var(--color-bg-muted);
}

.search-result__snippet {
  margin-top: var(--space-3xs);
  font-size: var(--fs-sm);
  line-height: var(--lh-normal);
  color: var(--color-text);
}

.search-result__snippet strong {
  color: var(--color-text);
}

.search-load-more:not([hidden]) {
  display: flex;
  justify-content: center;
  margin-top: var(--space-lg);
}

.search-empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
  color: var(--color-text-muted);
}

.search-empty-state svg {
  width: 48px;
  height: 48px;
  color: var(--color-border);
  margin-bottom: var(--space-md);
}

.search-empty-state__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

@media (max-width: 640px) {
  .search-page-form {
    flex-direction: column;
  }
}