.authority-hero {
  background:
    radial-gradient(circle at 18% 20%, rgba(0, 200, 255, 0.22), transparent 28rem),
    radial-gradient(circle at 82% 12%, rgba(0, 120, 255, 0.28), transparent 24rem),
    linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 54%, #003b95 100%);
  color: var(--white);
  padding: 8rem 0 4.5rem;
  position: relative;
  overflow: hidden;
}

.authority-hero h1,
.authority-hero p {
  color: var(--white);
}

.authority-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 3rem;
  align-items: center;
}

.authority-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0.4rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}

.authority-lede {
  font-size: 1.16rem;
  max-width: 760px;
  margin: 1.25rem 0 0;
  color: rgba(255, 255, 255, 0.82) !important;
}

.authority-panel {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(12px);
}

.authority-panel h2 {
  color: var(--white);
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.authority-panel ul {
  display: grid;
  gap: 0.85rem;
}

.authority-panel li {
  color: rgba(255, 255, 255, 0.82);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-top: 0.85rem;
}

.authority-panel li:first-child {
  border-top: 0;
  padding-top: 0;
}

.answer-band {
  background: var(--off-white);
  border-bottom: 1px solid var(--grey-200);
  padding: 2.5rem 0;
}

.answer-box {
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-left: 5px solid var(--blue);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.answer-box strong {
  color: var(--navy);
}

.authority-content {
  padding: 4.5rem 0;
}

.authority-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 3rem;
  align-items: start;
}

.authority-main {
  display: grid;
  gap: 3rem;
}

.authority-main section {
  scroll-margin-top: 6rem;
}

.authority-main h2 {
  color: var(--navy);
  margin-bottom: 1rem;
}

.authority-main h3 {
  color: var(--navy);
  margin: 1.5rem 0 0.65rem;
}

.authority-main p,
.authority-main li {
  color: var(--text-mid);
}

.authority-main ul,
.authority-main ol {
  list-style: disc;
  padding-left: 1.2rem;
}

.authority-main li {
  margin: 0.5rem 0;
}

.toc-card {
  position: sticky;
  top: 6rem;
  background: var(--white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.toc-card h2 {
  font-size: 1rem;
  color: var(--navy);
  margin-bottom: 0.75rem;
}

.toc-card a {
  display: block;
  color: var(--text-mid);
  padding: 0.45rem 0;
  border-top: 1px solid var(--grey-100);
  font-size: 0.92rem;
}

.toc-card a:first-of-type {
  border-top: 0;
}

.toc-card a:hover {
  color: var(--blue);
}

.proof-grid,
.deliverable-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}

.proof-card,
.deliverable-card {
  background: var(--off-white);
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
}

.proof-card strong,
.deliverable-card strong {
  display: block;
  color: var(--navy);
  margin-bottom: 0.45rem;
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
  font-size: 0.94rem;
}

.comparison-table th {
  background: var(--navy);
  color: var(--white);
  text-align: left;
  padding: 0.85rem 1rem;
}

.comparison-table td {
  border-bottom: 1px solid var(--grey-200);
  padding: 0.85rem 1rem;
  vertical-align: top;
}

.comparison-table tr:nth-child(even) {
  background: var(--off-white);
}

.cta-panel {
  background: var(--gradient-primary);
  border-radius: var(--radius-md);
  padding: 2rem;
  color: var(--white);
}

.cta-panel h2,
.cta-panel p {
  color: var(--white);
}

.faq-list {
  display: grid;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--grey-200);
  border-radius: var(--radius-sm);
  padding: 1.25rem;
  background: var(--white);
}

.faq-item h3 {
  margin-top: 0;
}

.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
}

.related-links a {
  border: 1px solid var(--grey-200);
  border-radius: 999px;
  color: var(--navy);
  padding: 0.55rem 0.9rem;
  background: var(--white);
}

.related-links a:hover {
  border-color: var(--blue);
  color: var(--blue);
}

@media (max-width: 900px) {
  .authority-hero__grid,
  .authority-grid,
  .proof-grid,
  .deliverable-grid {
    grid-template-columns: 1fr;
  }

  .toc-card {
    position: static;
  }
}