.ia-page {
  padding: 84px 22px 80px;
  color: var(--color-text-secondary);
  font-family: var(--font-primary);
}

.ia-shell {
  width: min(100%, 980px);
  margin: 0 auto;
}

.ia-breadcrumb,
.ia-meta,
.ia-eyebrow,
.ia-section-label,
.ia-table-caption {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.ia-breadcrumb {
  margin: 0 0 30px;
  color: var(--color-text-muted, #6b7280);
}

.ia-breadcrumb a,
.ia-page a {
  color: var(--global-signal);
  text-underline-offset: .18em;
}

.ia-hero {
  padding: 0 0 38px;
  border-bottom: 1px solid var(--color-border);
}

.ia-eyebrow,
.ia-section-label {
  color: var(--global-signal);
}

.ia-eyebrow {
  margin-bottom: 14px;
}

.ia-title {
  max-width: 900px;
  margin: 0;
  color: var(--global-midnight);
  font-size: clamp(2.25rem, 5.6vw, 4.25rem);
  font-weight: 800;
  letter-spacing: -.045em;
  line-height: 1.06;
}

.ia-definition {
  max-width: 820px;
  margin: 24px 0 18px;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.7;
}

.ia-meta {
  color: var(--color-text-muted, #6b7280);
  letter-spacing: .07em;
  text-transform: none;
}

.ia-toc {
  display: grid;
  grid-template-columns: minmax(150px, .65fr) 2fr;
  gap: 22px;
  margin: 30px 0 38px;
  padding: 22px 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.ia-toc h2 {
  margin: 0;
  color: var(--global-midnight);
  font-size: 1rem;
}

.ia-toc ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 24px;
  margin: 0;
  padding-left: 18px;
}

.ia-toc li {
  line-height: 1.5;
}

.ia-section {
  padding: 36px 0;
  border-top: 1px solid var(--color-border);
  scroll-margin-top: 84px;
}

.ia-section h2 {
  margin: 8px 0 18px;
  color: var(--global-midnight);
  font-size: clamp(1.65rem, 3.2vw, 2.25rem);
  letter-spacing: -.025em;
  line-height: 1.2;
}

.ia-section h3 {
  margin: 26px 0 8px;
  color: var(--global-midnight);
  font-size: 1.15rem;
  line-height: 1.35;
}

.ia-section p,
.ia-section li {
  font-size: 1rem;
  line-height: 1.78;
}

.ia-section p {
  margin: 0 0 14px;
}

.ia-section ul,
.ia-section ol {
  padding-left: 1.35rem;
}

.ia-note {
  margin: 22px 0;
  padding: 18px 22px;
  border-left: 3px solid var(--global-signal);
  background: var(--color-surface);
  line-height: 1.7;
}

.ia-table-wrap {
  overflow-x: auto;
  margin: 20px 0;
  border: 1px solid var(--color-border);
}

.ia-role-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: var(--color-surface);
}

.ia-role-table th,
.ia-role-table td {
  padding: 16px;
  border-right: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
  line-height: 1.6;
}

.ia-role-table th {
  color: var(--global-midnight);
  font-size: .78rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.ia-role-table td:first-child {
  min-width: 150px;
  color: var(--global-midnight);
  font-weight: 700;
}

.ia-step-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
  padding: 0;
  list-style: none;
  counter-reset: audit-step;
}

.ia-step-list li {
  position: relative;
  min-height: 120px;
  padding: 20px 20px 20px 58px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  counter-increment: audit-step;
}

.ia-step-list li::before {
  position: absolute;
  top: 18px;
  left: 18px;
  color: var(--global-signal);
  content: counter(audit-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-weight: 600;
}

.ia-resource-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 22px;
}

.ia-resource {
  padding: 22px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.ia-resource h3 {
  margin-top: 0;
}

.ia-resource p {
  margin-bottom: 8px;
}

.ia-faq details {
  padding: 17px 0;
  border-bottom: 1px solid var(--color-border);
}

.ia-faq summary {
  color: var(--global-midnight);
  cursor: pointer;
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.5;
}

.ia-faq details p {
  max-width: 850px;
  margin: 12px 0 0;
}

.ia-source-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 18px;
}

.ia-source-list a {
  font-size: .92rem;
}

.ia-contact {
  margin: 26px 0 0;
  padding: 22px 24px;
  border-left: 3px solid var(--global-signal);
  background: var(--color-surface);
  font-size: 1.08rem;
  line-height: 1.7;
}

@media (max-width: 680px) {
  .ia-page {
    padding: 78px 18px 56px;
  }

  .ia-toc {
    grid-template-columns: 1fr;
    gap: 14px;
    padding: 18px;
  }

  .ia-toc ul,
  .ia-step-list,
  .ia-resource-grid {
    grid-template-columns: 1fr;
  }

  .ia-step-list li {
    min-height: 0;
  }
}