/* Whitepaper summary layout for /whitepapers/post-quantum-attestation/ */

.whitepaper-article {
  --wp-ink: #1a1e24;
  --wp-muted: #555e6a;
  --wp-accent: #295f4e;
  --wp-accent-soft: #f0f7f4;
  --wp-rule: #d8d4cc;
  --wp-chalk: #f7f4ee;
  --wp-max: 1120px;
  --wp-prose: 720px;
}

/* Single-column layout: summary template has no sidebar */
.whitepaper-article .wp-layout {
  display: block;
  max-width: var(--wp-max);
  margin: 0 auto;
  padding: 40px 40px 72px;
  box-sizing: border-box;
}

.whitepaper-article .wp-prose {
  max-width: var(--wp-prose);
  margin: 0 auto;
  min-width: 0;
}

.whitepaper-article .wp-hero {
  padding: 0 0 36px;
  border-bottom: 2px solid var(--wp-ink);
  margin-bottom: 32px;
}

.whitepaper-article .wp-kicker {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wp-accent);
  margin: 0 0 12px;
}

.whitepaper-article .wp-hero h1 {
  font-size: clamp(1.75rem, 3.8vw, 2.35rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--wp-ink);
  margin: 0 0 14px;
  max-width: 28ch;
}

.whitepaper-article .wp-subtitle {
  font-size: 1.08rem;
  font-weight: 400;
  color: var(--wp-muted);
  max-width: 58ch;
  line-height: 1.55;
  margin: 0;
}

.whitepaper-article .aeo-glance {
  margin-bottom: 1.25rem;
}

.whitepaper-article .aeo-definition {
  margin-bottom: 1.5rem;
}

.whitepaper-article .wp-abstract {
  background: var(--wp-chalk);
  border-left: 4px solid var(--wp-accent);
  padding: 20px 24px;
  margin: 0 0 40px;
  border-radius: 0 4px 4px 0;
}

.whitepaper-article .wp-abstract p {
  font-size: 0.92rem;
  line-height: 1.72;
  color: #333840;
  margin: 0;
}

.whitepaper-article .wp-section {
  margin-bottom: 48px;
  scroll-margin-top: 24px;
}

.whitepaper-article .wp-section h2 {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--wp-ink);
  letter-spacing: -0.01em;
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--wp-rule);
  line-height: 1.25;
}

.whitepaper-article .wp-section p {
  margin: 0 0 16px;
  color: #282d35;
  line-height: 1.75;
}

.whitepaper-article .wp-section ul {
  padding-left: 1.4rem;
  margin: 0 0 16px;
  color: #282d35;
}

.whitepaper-article .wp-section li {
  margin-bottom: 6px;
  line-height: 1.65;
}

.whitepaper-article .wp-section a {
  color: var(--wp-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.whitepaper-article .wp-section a:hover {
  opacity: 0.85;
}

.whitepaper-article .seo-faq details {
  border: 1px solid var(--wp-rule);
  border-radius: 8px;
  padding: 0.7rem 0.85rem;
  margin: 0.45rem 0;
  background: var(--wp-chalk);
}

.whitepaper-article .seo-faq summary {
  cursor: pointer;
  font-weight: 700;
  color: var(--wp-ink);
}

.whitepaper-article .seo-faq details p {
  margin: 0.65rem 0 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: #282d35;
}

.whitepaper-article .wp-cta {
  background: var(--wp-accent-soft);
  border: 2px solid var(--wp-accent);
  padding: 20px 24px;
  margin: 32px 0 0;
  border-radius: 8px;
}

.whitepaper-article .wp-cta p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--wp-ink);
}

.whitepaper-article .wp-cta a {
  font-weight: 600;
  color: var(--wp-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.whitepaper-article .wp-cta a:hover {
  opacity: 0.85;
}

@media (max-width: 960px) {
  .whitepaper-article .wp-hero h1 {
    max-width: none;
  }
}

@media (max-width: 640px) {
  .whitepaper-article .wp-layout {
    padding: 28px 20px 56px;
  }

  .whitepaper-article .wp-hero {
    padding-bottom: 28px;
    margin-bottom: 24px;
  }

  .whitepaper-article .wp-abstract,
  .whitepaper-article .wp-cta {
    padding: 16px 18px;
  }
}

@media print {
  .whitepaper-article .wp-cta {
    border-width: 1px;
  }
}