.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 32px;
  height: 56px;
  background: var(--bg);
  border-bottom: 1px solid #2c3140;
}

.brand { font-weight: 700; margin-right: 24px; }

.nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 0.95rem;
}
.nav a:hover { color: var(--text); background: var(--tile); }
.nav a.active { color: var(--text); background: var(--tile-hover); }