/* ===================== HEADER COMPONENT ===================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  background: rgba(255, 248, 246, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 2px solid var(--outline-variant);
  padding-top: var(--safe-area-top);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 12px var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.logo-text {
  font: var(--text-headline-md);
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--ink), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.lang-btn {
  background: transparent;
  border: none;
  font: var(--text-label-sm);
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  color: var(--ink-dim);
  transition: all var(--transition-fast);
  will-change: transform;
}

.lang-btn:hover {
  transform: translateY(-1px);
  background: rgba(200, 52, 26, 0.08);
}

.lang-btn:active {
  transform: translateY(0);
}

.lang-btn.active {
  background: var(--primary);
  color: var(--surface-pure);
  box-shadow: 0 2px 8px rgba(200, 52, 26, 0.2);
}

.lang-divider {
  color: var(--ink-muted);
}