/* Whitepaper layout for /whitepapers/uk-gov-sandbox-walkthrough/ */
.doc-outer {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 1.25rem 4rem;
}
.doc-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #295f4e;
  margin-bottom: 12px;
}
.doc-title {
  font-size: clamp(1.55rem, 4vw, 2rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 10px;
}
.doc-subtitle {
  font-size: 1.05rem;
  color: #555e6a;
  margin-bottom: 20px;
}
.abstract {
  background: #f7f4ee;
  border-left: 4px solid #295f4e;
  padding: 20px 24px;
  margin: 0 0 32px;
}
.section {
  margin-bottom: 40px;
}
.section h2 {
  font-size: 1.35rem;
  border-bottom: 1px solid #d8d4cc;
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.section h3 {
  font-size: 1.05rem;
  margin: 1rem 0 0.45rem;
}
.section p,
.section li {
  line-height: 1.65;
  max-width: 72ch;
}
.cta-block {
  background: #f0f7f4;
  border: 2px solid #295f4e;
  padding: 20px 24px;
  margin: 32px 0;
  border-radius: 8px;
}
.cta-block a {
  font-weight: 600;
  color: #295f4e;
}
.faq-block details {
  border: 1px solid #d8d4cc;
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  margin: 0.45rem 0;
  background: #f7f4ee;
}
.faq-block summary {
  cursor: pointer;
  font-weight: 700;
}
@media (max-width: 640px) {
  .doc-outer { padding: 0 0.85rem 3rem; }
}