/* ============================================================
   FAQ.CSS — Unified accordion FAQ component
   Dark theme (default) · Light theme (.blog-page)
   First item open by default via .faq-item--open in HTML
   ============================================================ */

/* ── Layout ── */
.faq-section {
  margin-top: 3rem; /* override per-page if needed */
}

.faq-list {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}

/* ── Item ── */
.faq-item {
  border-bottom: 1px solid var(--line);
  position: relative;
}

.faq-item:last-child {
  border-bottom: none;
}

/* Accent bar on left */
.faq-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--red);
  opacity: 0;
  transition: opacity 0.25s;
}

.faq-item.open::before,
.faq-item:hover::before {
  opacity: 1;
}

/* ── Trigger (button) ── */
.faq-item__trigger {
  width: 100%;
  background: rgba(255, 255, 255, 0.02);
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem 2rem;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--white);
  line-height: 1.5;
  transition: background 0.2s;
}

.faq-item__trigger:hover        { background: rgba(255, 255, 255, 0.04); }
.faq-item.open .faq-item__trigger { background: rgba(26, 45, 90, 0.5); }

/* ── Plus/minus icon ── */
.faq-item__icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid rgba(200, 210, 232, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1;
  color: var(--muted);
}

.faq-item.open .faq-item__icon {
  background: rgba(204, 31, 31, 0.15);
  border-color: rgba(204, 31, 31, 0.4);
  color: #f07070;
}

/* ── Answer panel ── */
.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 2rem;
}

.faq-item.open .faq-item__answer {
  padding: 0 2rem 1.5rem;
}

.faq-item__answer p {
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 300;
  color: rgba(200, 210, 232, 0.65);
  line-height: 1.85;
  margin: 0;
}

.faq-item__answer a {
  color: var(--blue-light);
  text-decoration: none;
  transition: color 0.2s;
}

.faq-item__answer a:hover { color: var(--white); }

/* ============================================================
   LIGHT THEME — blog article pages (.blog-page on <body>)
   ============================================================ */

.blog-page .faq-list {
  border-color: var(--blog-rule);
}

.blog-page .faq-item {
  border-bottom-color: var(--blog-rule);
}

.blog-page .faq-item::before {
  background: var(--blog-accent);
}

.blog-page .faq-item__trigger {
  background: var(--blog-white);
  color: var(--blog-ink);
}

.blog-page .faq-item__trigger:hover {
  background: var(--blog-accent-lt);
}

.blog-page .faq-item.open .faq-item__trigger {
  background: var(--blog-accent-lt);
}

.blog-page .faq-item__icon {
  border-color: var(--blog-rule);
  color: var(--blog-soft);
}

.blog-page .faq-item.open .faq-item__icon {
  background: var(--blog-accent-lt);
  border-color: var(--blog-accent);
  color: var(--blog-accent);
}

.blog-page .faq-item__answer p {
  color: var(--blog-mid);
  font-weight: 400;
}

.blog-page .faq-item__answer a {
  color: var(--blog-accent);
}

.blog-page .faq-item__answer a:hover {
  color: var(--blog-ink);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 560px) {
  .faq-section {
    margin-top: 2rem;
  }

  .faq-item__trigger {
    font-size: 0.9rem;
    padding: 1.25rem 1.25rem;
  }

  .faq-item__answer {
    padding: 0 1.25rem;
  }

  .faq-item.open .faq-item__answer {
    padding: 0 1.25rem 1.25rem;
  }

  .faq-item__answer p {
    font-size: 0.86rem;
  }
}