/* ============================================================
   PAGE: faq
   ============================================================ */

.faq-page {
  padding: clamp(56px, 8vw, 96px) 0 clamp(80px, 10vw, 120px);
}
.faq-page .container { max-width: var(--container-narrow); }

.faq-header {
  text-align: center;
  margin-bottom: 56px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--text-base);
  color: var(--muted);
  font-weight: 500;
  margin-bottom: 24px;
  transition: color var(--t-base);
}
.back-link:hover { color: var(--blue); }

.faq-page h1 {
  font-family: var(--font-head);
  font-size: clamp(34px, 4.5vw, 52px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.2px;
  color: var(--ink);
  margin-bottom: 18px;
}

.faq-intro {
  font-size: var(--text-lg);
  color: var(--muted);
  line-height: 1.6;
  max-width: 540px;
  margin: 0 auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--t-base), box-shadow var(--t-base);
}
.faq-item[open] {
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
}

.faq-item summary {
  cursor: pointer;
  padding: 22px 28px;
  font-family: var(--font-head);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  list-style: none;
  letter-spacing: -0.3px;
}
.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::after {
  content: '+';
  font-size: 26px;
  font-weight: 400;
  color: var(--muted);
  transition: transform 0.25s, color var(--t-base);
  flex-shrink: 0;
  line-height: 1;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--blue);
}

.faq-answer {
  padding: 0 28px 24px;
  font-size: var(--text-md);
  color: var(--slate);
  line-height: var(--leading-relaxed);
}

.site-footer .container { max-width: var(--container); }

@media (max-width: 640px) {
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-answer { padding: 0 20px 20px; }
}