/* Shared FoxyEco site header (blog + article pages) */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 64px;
  background: rgba(248, 249, 250, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline-variant, #bbcbbb);
}
.logo-link {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}
.logo-mark {
  width: 32px;
  height: 32px;
  display: block;
  object-fit: contain;
  border-radius: 8px;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--primary, #006d37);
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  color: var(--on-surface-variant, #3d4a3e);
  transition: all 0.2s;
}
.nav-link:hover {
  background: var(--surface-highest, #e1e3e4);
  color: var(--on-surface, #191c1d);
}
.nav-link.active {
  color: var(--primary, #006d37);
}
.nav-link .material-symbols-outlined {
  font-size: 18px;
}
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 8px;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  padding: 5px 9px;
  border-radius: 9999px;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
  color: var(--on-surface-variant, #3d4a3e);
  border: 1px solid var(--outline-variant, #bbcbbb);
  background: transparent;
  transition: all 0.2s;
}
.lang-btn:hover {
  color: var(--primary, #006d37);
  border-color: var(--primary, #006d37);
}
.lang-btn.active {
  background: var(--primary-container, #2ecc71);
  border-color: var(--primary-container, #2ecc71);
  color: var(--on-primary-container, #005027);
}
@media (max-width: 768px) {
  .site-header {
    padding: 0 16px;
  }
  .logo-text {
    font-size: 18px;
  }
  .nav-link span:not(.material-symbols-outlined) {
    display: none;
  }
}