.api-hero {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.api-hero__inner,
.api-shell {
  width: min(68rem, calc(100% - 2rem));
  margin: 0 auto;
}

.api-hero__inner {
  padding: clamp(1.5rem, 4vw, 2.8rem) 0;
}

.api-hero h1 {
  margin: 0.2rem 0 0;
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.05;
}

.api-hero p:last-child {
  max-width: 48rem;
  margin: 0.7rem 0 0;
  color: var(--muted);
  line-height: 1.55;
}

.api-shell {
  padding: 1.4rem 0 3rem;
}

.api-notice {
  display: flex;
  gap: 0.55rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--cornell-red-dark);
  background: var(--surface-alt);
  color: var(--muted);
  font-size: 0.85rem;
  line-height: 1.5;
}

.api-notice strong {
  color: var(--ink);
  white-space: nowrap;
}

.api-section {
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--border);
}

.api-section:last-child {
  border-bottom: 0;
}

.api-section h2 {
  margin: 0.18rem 0 0.55rem;
  font-family: var(--serif);
  font-size: 1.45rem;
}

.api-section p,
.api-steps {
  max-width: 56rem;
  line-height: 1.6;
}

.api-endpoint {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 0.8rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--border-strong);
  background: var(--surface-alt);
}

.api-endpoint a {
  flex: 0 0 auto;
  font-weight: 800;
}

.api-steps {
  padding-left: 1.3rem;
}

.api-steps li {
  margin: 0.35rem 0;
}

.api-field-grid {
  display: grid;
  grid-template-columns: minmax(7rem, 10rem) minmax(0, 1fr);
  border-top: 1px solid var(--border);
}

.api-field-grid > * {
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--border);
}

.api-field-grid code {
  color: var(--cornell-red-dark);
  font-weight: 800;
}

.api-code {
  overflow-x: auto;
  margin: 0.8rem 0 0;
  padding: 1rem;
  border: 1px solid var(--border-strong);
  background: var(--surface-alt);
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.55;
}

.api-shell code {
  overflow-wrap: anywhere;
}

@media (max-width: 620px) {
  .api-notice,
  .api-endpoint {
    align-items: flex-start;
    flex-direction: column;
  }

  .api-field-grid {
    grid-template-columns: 1fr;
  }

  .api-field-grid code {
    padding-bottom: 0.1rem;
    border-bottom: 0;
  }

  .api-field-grid span {
    padding-top: 0.1rem;
  }
}