.section {
  padding-top: 36px;
}

.section + .section {
  margin-top: 40px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.section p,
.section ul,
.section ol {
  max-width: 65ch;
}

.section > p:not(.eyebrow),
.section-intro {
  margin: 12px 0;
}

.section-intro {
  color: var(--muted);
}

.term-list {
  margin: 18px 0 0;
  border-top: 1px solid var(--fg);
}

.term-row {
  display: grid;
  grid-template-columns: minmax(11rem, 0.8fr) minmax(0, 1.2fr);
  gap: 24px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  transition: background 0.12s ease;
}

.term-row:hover {
  background: var(--surface);
}

.term-row dt {
  color: var(--fg);
  font-weight: 600;
}

.term-row dd {
  margin: 0;
  color: var(--muted);
}

.process {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.process li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: 12px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

.process li:first-child {
  border-top: 1px solid var(--fg);
}

.process li::before {
  content: counter(step, decimal-leading-zero);
  color: var(--faint);
  font-family: var(--mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
}

.process p {
  margin: 4px 0 0;
  color: var(--muted);
}

.boundary {
  margin-top: 18px;
  padding: 16px 18px;
  border-left: 2px solid var(--fg);
  border-radius: 0 8px 8px 0;
  background: var(--surface);
}

.boundary ul {
  margin: 10px 0 0;
  padding-left: 20px;
}

.boundary li {
  margin: 5px 0;
}

.boundary li::marker {
  color: var(--faint);
}

.faq {
  margin-top: 18px;
  border-top: 1px solid var(--fg);
}

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

.faq summary {
  min-height: 44px;
  padding: 11px 6px;
  cursor: pointer;
  color: var(--fg);
  font-weight: 600;
}

.faq details p {
  margin: 0 6px 14px;
  color: var(--muted);
}

.source-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 18px;
  border-top: 1px solid var(--fg);
}

.source-links a {
  min-height: 72px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
  color: var(--fg);
  text-decoration: none;
  transition: background 0.12s ease;
}

.source-links a:nth-child(odd) {
  border-right: 1px solid var(--border);
}

.source-links a:hover,
.source-links a:focus-visible {
  background: var(--surface);
}

.source-links strong,
.source-links span {
  display: block;
}

.source-links span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 0.75rem;
}

@media (max-width: 900px) {
  .term-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 600px) {
  .source-links {
    grid-template-columns: 1fr;
  }

  .source-links a:nth-child(odd) {
    border-right: 0;
  }
}