/* ═══════════════════════════════════════════════════════════
   RepublicMC — Header Component
   ═══════════════════════════════════════════════════════════ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.55);
  border-bottom: var(--glass-border);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.50) inset;
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 68px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  font-size: 0.875rem;
}

.brand-mark {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  background: var(--accent);
  display: grid;
  place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-mark img {
  width: 26px;
  height: 26px;
}

.brand-copy span {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.14em;
  margin-bottom: 1px;
}

.brand-copy strong {
  font-size: 0.9rem;
  color: var(--text);
}

/* ── Responsive Header ──────────────────────────────────── */
@media (max-width: 1180px) {
  .navbar {
    flex-wrap: wrap;
  }
}

@media (max-width: 820px) {
  .site-header {
    z-index: 1100;
    background: #ffffff;
    border-bottom: 1px solid #d0dce7;
    box-shadow: 0 2px 10px rgba(15, 23, 42, 0.08);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

  .navbar {
    position: relative;
    flex-wrap: nowrap;
    gap: 10px;
  }
}