/* Header */
.site-header {
  background: var(--ia-surface);
  border-bottom: 1px solid var(--ia-border);
  padding: 1rem 0;
}
.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ia-primary);
}
.site-footer {
  background: var(--ia-text);
  color: var(--ia-text-light);
  padding: 2rem 0;
  margin-top: 4rem;
  text-align: center;
}