/* =====================================================================
   FAQ Page — Accordion + Search
   Depends on: tokens.css (--d3-*), page_hero.css (.b-hero)
   Loaded by: Faq controller via $data['css_script']
===================================================================== */

/* ============================================================
   FAQ SECTION
============================================================ */
.faq-section {
  padding: clamp(3rem, 6vw, 5rem) 0 clamp(3.5rem, 7vw, 6rem);
  background: var(--d3-paper);
}

/* ============================================================
   SEARCH BAR
============================================================ */
.faq-search {
  max-width: 560px;
  margin: 0 auto clamp(2rem, 4vw, 3rem);
  position: relative;
}

.faq-search__input {
  width: 100%;
  padding: 14px 48px 14px 44px;
  font-family: var(--d3-ff-body);
  font-size: .95rem;
  color: var(--d3-ink);
  background: var(--d3-white);
  border: 1.5px solid var(--d3-rule);
  border-radius: var(--d3-r);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

.faq-search__input::placeholder {
  color: var(--d3-steel);
}

.faq-search__input:focus {
  border-color: var(--d3-brand);
  box-shadow: 0 0 0 3px rgba(252, 55, 46, .1);
}

.faq-search__icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--d3-steel);
  font-size: .9rem;
  pointer-events: none;
}

.faq-search__clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: none;
  align-items: center;
  justify-content: center;
  border: none;
  background: var(--d3-paper-2);
  color: var(--d3-steel);
  border-radius: 50%;
  cursor: pointer;
  font-size: .75rem;
  transition: background .2s, color .2s;
}

.faq-search__clear:hover {
  background: var(--d3-paper-3);
  color: var(--d3-ink);
}

.faq-search__clear.is-visible {
  display: inline-flex;
}

/* ============================================================
   COUNTER
============================================================ */
.faq-counter {
  text-align: center;
  font-family: var(--d3-ff-nav);
  font-size: .8rem;
  color: var(--d3-steel);
  margin-bottom: 1.5rem;
  letter-spacing: .03em;
}

/* ============================================================
   ACCORDION
============================================================ */
.faq-accordion {
  max-width: 820px;
  margin: 0 auto;
}

/* ============================================================
   FAQ ITEM
============================================================ */
.faq-item {
  border: 1px solid var(--d3-rule);
  border-radius: var(--d3-r);
  margin-bottom: .75rem;
  background: var(--d3-white);
  overflow: hidden;
  transition: box-shadow .25s, border-color .25s;
}

.faq-item:hover {
  border-color: var(--d3-rule-hard);
}

.faq-item.is-open {
  border-color: var(--d3-brand);
  box-shadow: 0 4px 20px -8px rgba(252, 55, 46, .15);
}

/* --- Trigger (question button) --- */
.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: clamp(1rem, 2vw, 1.25rem) clamp(1.1rem, 2.5vw, 1.5rem);
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  font-family: var(--d3-ff-disp);
  font-size: clamp(.95rem, 1.5vw, 1.05rem);
  font-weight: 600;
  color: var(--d3-ink);
  line-height: 1.4;
  letter-spacing: -.01em;
  transition: color .2s;
}

.faq-trigger:hover {
  color: var(--d3-brand);
}

.faq-trigger:focus-visible {
  outline: 2px solid var(--d3-brand);
  outline-offset: -2px;
}

.faq-item.is-open .faq-trigger {
  color: var(--d3-brand);
}

/* --- Number --- */
.faq-trigger__no {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--d3-ff-nav);
  font-size: .72rem;
  font-weight: 600;
  color: var(--d3-steel);
  background: var(--d3-paper-2);
  border-radius: 50%;
  transition: background .2s, color .2s;
}

.faq-item.is-open .faq-trigger__no {
  background: var(--d3-brand);
  color: #fff;
}

/* --- Question text --- */
.faq-trigger__text {
  flex: 1;
  min-width: 0;
}

/* --- Chevron icon --- */
.faq-trigger__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--d3-steel);
  transition: transform .3s cubic-bezier(.2, .7, .2, 1), color .2s;
}

.faq-trigger__icon svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  stroke-width: 2.2;
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.faq-item.is-open .faq-trigger__icon {
  transform: rotate(180deg);
  color: var(--d3-brand);
}

/* --- Answer panel --- */
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.2, .7, .2, 1),
              opacity .3s ease;
  opacity: 0;
}

.faq-item.is-open .faq-answer {
  max-height: 800px;
  opacity: 1;
}

.faq-answer__inner {
  padding: 0 clamp(1.1rem, 2.5vw, 1.5rem) clamp(1.1rem, 2vw, 1.5rem) clamp(3.5rem, 5vw, 4.2rem);
  font-family: var(--d3-ff-body);
  font-size: .92rem;
  color: var(--d3-ink-soft);
  line-height: 1.72;
}

.faq-answer__inner p {
  margin: 0 0 .75rem;
}

.faq-answer__inner p:last-child {
  margin-bottom: 0;
}

/* ============================================================
   EMPTY STATE
============================================================ */
.faq-empty {
  text-align: center;
  padding: clamp(3rem, 6vw, 5rem) 0;
}

.faq-empty__icon {
  font-size: 2.5rem;
  color: var(--d3-steel-2);
  margin-bottom: 1rem;
}

.faq-empty__title {
  font-family: var(--d3-ff-disp);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--d3-ink);
  margin-bottom: .5rem;
}

.faq-empty__text {
  font-size: .9rem;
  color: var(--d3-steel);
  max-width: 40ch;
  margin: 0 auto;
  line-height: 1.6;
}

/* --- No results (search) --- */
.faq-no-results {
  display: none;
  text-align: center;
  padding: clamp(2.5rem, 5vw, 4rem) 0;
}

.faq-no-results.is-visible {
  display: block;
}

.faq-no-results__icon {
  font-size: 2rem;
  color: var(--d3-steel-2);
  margin-bottom: .75rem;
}

.faq-no-results__title {
  font-family: var(--d3-ff-disp);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--d3-ink);
  margin-bottom: .4rem;
}

.faq-no-results__text {
  font-size: .88rem;
  color: var(--d3-steel);
  line-height: 1.5;
}

/* --- Hidden by search --- */
.faq-item.is-hidden {
  display: none;
}

/* --- Highlight matching text --- */
.faq-highlight {
  background: rgba(252, 55, 46, .12);
  border-radius: 2px;
  padding: 0 2px;
}

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width: 768px) {
  .faq-trigger {
    gap: .75rem;
  }

  .faq-trigger__no {
    width: 24px;
    height: 24px;
    font-size: .65rem;
  }

  .faq-answer__inner {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

@media (max-width: 480px) {
  .faq-trigger__no {
    display: none;
  }
}

/* ============================================================
   REDUCED MOTION
============================================================ */
@media (prefers-reduced-motion: reduce) {
  .faq-answer {
    transition: none;
  }

  .faq-trigger__icon {
    transition: none;
  }
}

/* ============================================================
   PRINT
============================================================ */
@media print {
  .faq-answer {
    max-height: none !important;
    opacity: 1 !important;
  }

  .faq-search,
  .faq-counter {
    display: none;
  }

  .faq-item {
    break-inside: avoid;
    border-color: #ccc;
  }
}