.institutional-hero {
  background: var(--am-color-navy);
  color: var(--am-color-white);
  padding: 72px 0 64px;
  border-bottom: 5px solid var(--am-color-red);
}

.institutional-hero .eyebrow { color: var(--am-color-red-soft); letter-spacing: 0; }
.institutional-hero h1 {
  max-width: 900px;
  margin: 8px 0 18px;
  font: 800 4.8rem/.94 var(--am-font-display);
  letter-spacing: 0;
}
.institutional-hero p {
  max-width: 760px;
  margin: 0;
  color: var(--am-color-text-on-dark);
  font-size: 1.08rem;
  line-height: 1.65;
}
.institutional-updated {
  display: block;
  margin-top: 22px;
  color: var(--am-color-text-subtle-dark);
  font-size: .78rem;
  font-weight: 700;
}

.institutional-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 760px);
  gap: 64px;
  justify-content: center;
  align-items: start;
  padding: 58px 0 88px;
}
.institutional-nav {
  position: sticky;
  top: 78px;
  border-top: 3px solid var(--am-color-ink);
}
.institutional-nav strong {
  display: block;
  padding: 14px 0 10px;
  font-size: .72rem;
  letter-spacing: 0;
  text-transform: uppercase;
}
.institutional-nav a {
  display: block;
  padding: 10px 0;
  border-top: 1px solid var(--am-color-line);
  color: var(--am-color-muted);
  font-size: .84rem;
  font-weight: 700;
}
.institutional-nav a:hover,
.institutional-nav a[aria-current="page"] { color: var(--am-color-red); }
.institutional-content {
  min-width: 0;
  font-family: var(--am-font-editorial);
  font-size: 1.05rem;
  line-height: 1.78;
}
.institutional-content section {
  padding: 0 0 34px;
  margin: 0 0 34px;
  border-bottom: 1px solid var(--am-color-line);
  scroll-margin-top: 82px;
}
.institutional-content section:last-child { border-bottom: 0; margin-bottom: 0; }
.institutional-content h2 {
  margin: 0 0 14px;
  font: 800 1.75rem/1.14 var(--am-font-display);
  letter-spacing: 0;
}
.institutional-content h3 {
  margin: 24px 0 9px;
  font: 800 1.08rem/1.25 var(--am-font-display);
}
.institutional-content p { margin: 0 0 16px; }
.institutional-content ul,
.institutional-content ol { margin: 12px 0 16px; padding-left: 22px; }
.institutional-content li { margin: 7px 0; padding-left: 3px; }
.institutional-content a { color: var(--am-color-red); text-decoration: underline; text-underline-offset: 3px; }
.institutional-content .lead {
  margin: 0 0 38px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--am-color-line);
  font: 600 1.25rem/1.65 var(--am-font-editorial);
  color: var(--am-color-ink);
}
.principles-grid,
.contact-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 24px 0;
  font-family: var(--am-font-ui);
}
.principle,
.contact-method {
  border: 1px solid var(--am-color-line);
  border-top: 3px solid var(--am-color-red);
  padding: 20px;
  border-radius: var(--am-radius-panel);
}
.principle strong,
.contact-method strong { display: block; font: 800 1rem var(--am-font-display); }
.principle p,
.contact-method p { margin: 7px 0 0; color: var(--am-color-muted); font-size: .88rem; line-height: 1.55; }
.contact-method a { display: inline-block; margin-top: 10px; font-size: .84rem; font-weight: 800; }
.policy-note {
  margin: 24px 0;
  padding: 20px 22px;
  border-left: 4px solid var(--am-color-red);
  background: var(--am-color-warm);
  font-family: var(--am-font-ui);
  font-size: .9rem;
  line-height: 1.6;
}
.policy-note strong { display: block; margin-bottom: 5px; }
.institutional-cta {
  margin-top: 34px;
  padding: 28px;
  background: var(--am-color-navy);
  color: var(--am-color-white);
  font-family: var(--am-font-ui);
}
.institutional-cta h2 { color: var(--am-color-white); }
.institutional-cta p { color: var(--am-color-text-muted-dark); }
.institutional-cta a {
  display: inline-block;
  padding: 10px 14px;
  border-radius: var(--am-radius-public);
  background: var(--am-color-white);
  color: var(--am-color-ink);
  font-weight: 800;
  text-decoration: none;
}

@media (max-width: 820px) {
  .institutional-hero { padding: 52px 0 46px; }
  .institutional-hero h1 { font-size: 3.5rem; }
  .institutional-layout { grid-template-columns: 1fr; gap: 34px; padding: 40px 0 64px; }
  .institutional-nav { position: static; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 20px; }
  .institutional-nav strong { grid-column: 1 / -1; }
}

@media (max-width: 520px) {
  .institutional-hero h1 { font-size: 2.65rem; }
  .institutional-hero p { font-size: 1rem; }
  .institutional-nav,
  .principles-grid,
  .contact-grid { grid-template-columns: 1fr; }
  .institutional-content { font-size: 1rem; }
}