/* Sticky header with menu */
#site_header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #001070;
  border-bottom: 1px solid #000d5a;
}

.header_container {
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
  padding: 12px 0;
  display: flex;
  align-items: center;
}

/* Align header content with #map on desktop */
@media (min-width: 1200px) {
  .header_container {
    margin-left: 100px;
    margin-right: 100px;
  }
}

.header_logo {
  font-size: 18px;
  font-weight: bold;
  color: var(--accent, #ffffff);
  text-decoration: none;
  margin-right: 30px;
  margin-left: 29.25px;
}

.header_nav {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav_link {
  color: #ecf0f1;
  text-decoration: none;
  font-size: 14px;
  padding: 4px 0;
}

.nav_link:hover {
  color: #ffffff;
}

.nav_link.active {
  color: #ffffff;
  font-weight: bold;
}

/* Language toggle and dark mode button in header */
.header_controls {
  position: relative;
  margin-left: auto;
  width: 60px;
  height: 24px;
}

.header_controls #theme_toggle {
  position: absolute;
  left: 15px;
  top: 0px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.header_controls #lang_toggle {
  position: absolute;
  left: 35px;
  top: 5px;
  display: inline-flex;
  align-items: center;
}