/* ============================================================
   FAQ — native <details>: works without JavaScript and is
   keyboard-accessible by default.
   ============================================================ */

.faq-group {
  margin-top: clamp(3rem, 6vw, 5rem);
}
.faq-group h2 {
  font-size: var(--fs-24);
  letter-spacing: -0.03em;
}

.faq-list {
  margin-top: var(--sp-6);
  border-top: 1px solid var(--line-strong);
}
.faq-item {
  border-bottom: 1px solid var(--line);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  padding-block: var(--sp-6);
  color: var(--ink);
  font-size: var(--fs-20);
  font-weight: 600;
  letter-spacing: -0.02em;
  cursor: pointer;
  list-style: none;
}
.faq-question::-webkit-details-marker {
  display: none;
}
/* +/- icon: two bars in a ring. Opening spins the ring half a turn while the
   vertical bar retracts, so the plus becomes a minus in one continuous
   motion. Only rotate/scale move; the fill and colours fade on their own. */
.faq-icon {
  position: relative;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink);
  transition:
    rotate 280ms var(--ease-expo),
    scale 140ms var(--ease-expo),
    background-color 200ms ease,
    border-color 200ms ease,
    color 200ms ease;
}
.faq-icon::before,
.faq-icon::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 0.875rem;
  height: 1.5px;
  border-radius: 1px;
  background: currentColor;
}
.faq-icon::after {
  transform: rotate(90deg) scaleX(1);
  transition: transform 280ms var(--ease-expo);
}
@media (hover: hover) and (pointer: fine) {
  .faq-question:hover .faq-icon {
    border-color: var(--ink);
  }
}
.faq-question:active .faq-icon {
  scale: 0.92;
}
.faq-item[open] > .faq-question .faq-icon {
  rotate: 180deg;
  background: var(--night);
  border-color: var(--night);
  color: var(--on-dark);
}
.faq-item[open] > .faq-question .faq-icon::after {
  transform: rotate(90deg) scaleX(0);
}
@media (prefers-reduced-motion: reduce) {
  .faq-icon,
  .faq-icon::after {
    transition-property: background-color, border-color, color;
  }
}

.faq-answer {
  max-width: 42rem;
  padding-bottom: var(--sp-8);
  font-family: var(--font-serif);
  font-size: var(--fs-20);
  line-height: 1.5;
  color: var(--ink-2);
}
.contact-link {
  color: var(--accent-text);
  font-weight: 600;
  text-underline-offset: 3px;
}

.support-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  margin-top: clamp(3rem, 6vw, 5rem);
  padding: var(--sp-8);
  background: var(--accent-tint);
  border-radius: var(--radius-lg);
}
.support-text {
  color: var(--ink);
  font-size: var(--fs-24);
  font-weight: 700;
  letter-spacing: -0.03em;
}