/* ============================================================
   SITE NAVBAR
   ============================================================ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-overlays);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 20px;
  height: 44px;
  background: var(--nav-color);
  border-bottom: var(--border) var(--nav-alt);
  backdrop-filter: var(--blur-light);
  -webkit-backdrop-filter: var(--blur-light);
  box-shadow: var(--shadow-sm);
}

.site-nav__brand {
  font-family: var(--font-primary);
  font-size: var(--font-size-md);
  font-weight: 700;
  color: var(--nav-alt);
  text-decoration: none;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.site-nav__brand:hover { color: #fff; }

.site-nav__links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav__links a {
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  color: var(--nav-alt);
  text-decoration: none;
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  border: 1px solid transparent;
  transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
}
.site-nav__links a:hover {
  color: #fff;
  border-color: var(--nav-alt);
  background: rgba(23, 219, 216, 0.08);
}
.site-nav__links a.active {
  color: #fff;
  border-color: var(--nav-alt);
  background: rgba(23, 219, 216, 0.14);
}

@media (max-width: 860px) {
  .site-nav { height: auto; flex-wrap: wrap; padding: 8px 12px; gap: 8px; }
  .site-nav__links { flex-wrap: wrap; gap: 2px; }
}