/* =============================================================
   Casona San José — FAQ Accordion
   Contenedor estrecho centrado, hairlines, +/− icon.
   Animación grid-template-rows controlada por app.js.
   Referencia: FAQ.jsx del design system.
   ============================================================= */


/* -----------------------------------------------------------
   SECCIÓN — fondo configurable
   ----------------------------------------------------------- */

.csn-faq {
  padding-block: var(--section-padding-y);
  background: var(--color-piedra);
}

.csn-faq--base { background: var(--color-piedra);     }
.csn-faq--alt  { background: var(--color-piedra-alt); }
.csn-faq--soft { background: var(--color-blanco);     }


/* -----------------------------------------------------------
   INNER — contenedor estrecho
   ----------------------------------------------------------- */

.csn-faq__inner {
  max-width: var(--container-narrow);
  margin-inline: auto;
  padding-inline: var(--section-padding-x);
}


/* -----------------------------------------------------------
   HEAD — centrado
   ----------------------------------------------------------- */

.csn-faq__head {
  text-align: center;
  margin-block-end: 56px;
}

.csn-faq__head h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  margin-top: 16px;
  text-wrap: balance;
}

.csn-faq__sub {
  font-family: var(--font-body);
  font-size: var(--type-body-md);
  line-height: var(--leading-relaxed);
  color: var(--color-noche-suave);
  margin: 16px auto 0;
  max-width: 58ch;
}


/* -----------------------------------------------------------
   LISTA — hairlines
   ----------------------------------------------------------- */

.csn-faq__list {
  border-top: 1px solid var(--color-borde);
}

.csn-faq__item {
  border-bottom: 1px solid var(--color-borde);
}


/* -----------------------------------------------------------
   PREGUNTA — botón full-width
   ----------------------------------------------------------- */

.csn-faq__q {
  width: 100%;
  background: none;
  border: 0;
  cursor: pointer;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
  text-align: left;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 17px;
  color: var(--color-noche);
  line-height: var(--leading-normal);
}

.csn-faq__q:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 2px;
}


/* -----------------------------------------------------------
   ICON — +/− (sin chevron, per diseño)
   ----------------------------------------------------------- */

.csn-faq__icon {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
  margin-top: 2px;
}

.csn-faq__icon::before,
.csn-faq__icon::after {
  content: '';
  position: absolute;
  background: var(--color-noche);
}

/* línea horizontal (siempre visible) */
.csn-faq__icon::before {
  width: 18px;
  height: 1.25px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* línea vertical (desaparece cuando está abierto) */
.csn-faq__icon::after {
  width: 1.25px;
  height: 18px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: opacity var(--duration-normal) var(--ease-out);
}

.csn-faq__item.is-open .csn-faq__icon::after {
  opacity: 0;
}


/* -----------------------------------------------------------
   RESPUESTA — animación grid-template-rows 0fr ↔ 1fr
   ----------------------------------------------------------- */

.csn-faq__a-wrap {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-normal) var(--ease-out);
}

.csn-faq__a-inner {
  overflow: hidden;
}

.csn-faq__a-inner p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: var(--leading-relaxed);
  color: var(--color-noche-suave);
  padding: 0 0 28px;
  max-width: 64ch;
  margin: 0;
}


/* -----------------------------------------------------------
   LINK FINAL
   ----------------------------------------------------------- */

.csn-faq__link-wrap {
  text-align: center;
  margin-block-start: 40px;
}

.csn-faq__link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--type-body-sm);
  color: var(--color-noche);
  text-decoration: none;
  padding-block-end: 4px;
  border-bottom: 1px solid var(--color-noche);
  transition:
    color        var(--duration-normal) var(--ease-out),
    border-color var(--duration-normal) var(--ease-out);
}

.csn-faq__link:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.csn-faq__link svg {
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-out);
}

.csn-faq__link:hover svg {
  transform: translateX(4px);
}


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

@media (prefers-reduced-motion: reduce) {
  .csn-faq__icon::after,
  .csn-faq__a-wrap,
  .csn-faq__link,
  .csn-faq__link svg {
    transition: none;
  }
  .csn-faq__link:hover svg {
    transform: none;
  }
}

/* Respuestas de varios párrafos (docx de Daniel, cotejo 2026-09-03) */
.csn-faq__a-inner p:not(:last-child) { padding-bottom: 14px; }