/* header.css — page header with brand lockup + nav */

.cfm-header {
  background: var(--color-bg-primary);
  padding: var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--color-border-strong);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.cfm-brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.cfm-brand__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  background: #000;
  border: 1px solid var(--color-platform-oum);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-platform-oum);
  font-size: 24px;
  font-weight: var(--font-weight-medium);
  position: relative;
}

.cfm-brand__icon::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: linear-gradient(to right, #008000 0% 33%, #ffd700 33% 66%, #c1121f 66% 100%);
  border-radius: 0 0 2px 2px;
}

.cfm-brand__wordmark {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-fg-primary);
  letter-spacing: 0.1em;
  line-height: 1;
}

.cfm-brand__wordmark-fm { color: var(--color-accent-primary); }

.cfm-brand__subline {
  font-size: var(--font-size-xs);
  letter-spacing: var(--letter-spacing-wide);
  color: var(--color-accent-secondary);
  margin-top: var(--space-1);
}