.qa-hero h1 {
  max-width: 10ch;
  font-size: clamp(3.7rem, 8.2vw, 7.2rem);
}

.qa-details {
  padding: clamp(62px, 8vw, 104px) 0 clamp(42px, 6vw, 78px);
  border-top: 1px solid var(--policy-line);
}

.qa-heading {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.qa-heading h2 {
  margin-bottom: 18px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(2.6rem, 5.5vw, 4.8rem);
  line-height: 0.96;
  letter-spacing: 0;
  text-wrap: balance;
}

.qa-heading > p:last-child {
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.15rem);
}

.faq-list {
  max-width: 980px;
  margin: clamp(42px, 6vw, 70px) auto 0;
  border-top: 1px solid var(--policy-line);
}

.faq-list details {
  border-bottom: 1px solid var(--policy-line);
}

.faq-list summary {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 28px;
  gap: 24px;
  align-items: center;
  padding: clamp(24px, 3vw, 34px) 0;
  color: var(--ink);
  cursor: pointer;
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  font-weight: 760;
  line-height: 1.18;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary::after {
  content: "+";
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--policy-line);
  border-radius: 50%;
  color: var(--mint-dark);
  font-size: 1.1rem;
  line-height: 1;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list summary:hover,
.faq-list summary:focus-visible {
  color: var(--mint-dark);
}

.faq-list summary:focus-visible {
  outline: 3px solid rgba(82, 189, 168, 0.38);
  outline-offset: 5px;
}

.faq-answer {
  max-width: 880px;
  padding: 0 50px clamp(30px, 4vw, 46px) 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 1.75;
}

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

.faq-answer a {
  color: var(--mint-dark);
  font-weight: 760;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--mint-dark) 38%, transparent);
  text-underline-offset: 0.18em;
}

.faq-answer strong {
  color: var(--ink);
}

.qa-formula {
  overflow-x: auto;
  padding: 18px 20px;
  border: 1px solid var(--policy-line);
  border-radius: 8px;
  background: var(--policy-panel);
  color: var(--ink);
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.92em;
  white-space: nowrap;
}

@media (max-width: 560px) {
  .qa-hero h1 {
    font-size: clamp(3.25rem, 16vw, 4.8rem);
  }

  .qa-details {
    padding: 54px 0 36px;
  }

  .faq-list summary {
    grid-template-columns: minmax(0, 1fr) 26px;
    gap: 14px;
  }

  .faq-list summary::after {
    width: 26px;
    height: 26px;
  }

  .faq-answer {
    padding-right: 0;
  }
}