/* Sticky header — wordmark left, Sign In + Download right, always visible. */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}

.site-logo {
  font-family: var(--font-display);
  font-weight: var(--font-weight-display);
  font-size: 1.375rem;
  color: var(--color-text);
}

.logo-accent {
  color: var(--color-amber-text);
}

.site-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

@media (max-width: 480px) {
  .site-header-actions {
    gap: var(--space-2);
  }

  .site-header-actions .btn {
    padding-inline: var(--space-3);
    font-size: 0.8125rem;
  }
}