.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 2px dashed #7eb0dc;
  box-shadow: 0 2px 0 rgba(126, 176, 220, 0.25);
}

.site-nav-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.site-nav-brand {
  font-size: 14px;
  font-weight: 800;
  color: #2e4266;
  text-decoration: none;
  letter-spacing: 0.02em;
}

.site-nav-brand:hover {
  color: #2b9fff;
}

.site-nav-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.site-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 14px;
  border-radius: 10px;
  border: 2px solid #7eb0dc;
  background: #fff;
  color: #5a7399;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 2px 2px 0 #7eb0dc;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.site-nav-link:hover {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 #4a7ab5;
  color: #2e4266;
}

.site-nav-link--active {
  background: linear-gradient(180deg, #d6eeff 0%, #fff 100%);
  color: #2b9fff;
  border-color: #4a7ab5;
  box-shadow: 2px 2px 0 #4a7ab5, 0 0 0 2px #d6eeff;
  pointer-events: none;
}

@media (max-width: 640px) {
  .site-nav-inner {
    padding: 8px 12px;
  }

  .site-nav-link {
    flex: 1;
    justify-content: center;
    min-width: 120px;
  }
}