.site-header {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 40;
  width: 100%;
  box-sizing: border-box;
  padding-left: env(safe-area-inset-left, 0px);
  padding-right: env(safe-area-inset-right, 0px);
  background: rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(8px);
  transform: translateY(0);
  transition: transform 0.28s ease;
  will-change: transform;
}

.site-header.is-hidden {
  transform: translateY(-100%);
}

.header-inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: space-between;
  height: 6.25vw;
  min-height: 96px;
  min-width: 0;
  box-sizing: border-box;
}

.brand {
  flex-shrink: 0;
}

.brand-vector {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.958vw;
  min-width: 76px;
}

.brand-vector > img:first-child {
  width: 100%;
  height: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 3.698vw;
  color: #fff;
}

.site-menu-toggle,
.site-mobile-nav-overlay {
  display: none;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.469vw;
  width: 0;
  height: 2px;
  background: currentColor;
  transition: width var(--transition);
}

.site-nav a:hover::after {
  width: 100%;
}

.nav-dropdown-wrap {
  position: relative;
  align-self: stretch;
  display: flex;
  align-items: center;
}

.nav-dropdown-wrap::after {
  content: "";
  position: absolute;
  left: 0;
  top: 100%;
  width: 100%;
  height: 1.042vw;
}

.site-nav .about-sidenav {
  position: absolute;
  top: calc(100% + 3.042vw);
  left: 50%;
  transform: translateX(-50%);
  min-width: 10.417vw;
  background: rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0.625vw;
  padding: 0.417vw;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.site-nav .about-sidenav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.site-nav .about-sidenav a {
  display: block;
  padding: 0.625vw 0.833vw;
  border-radius: 0.417vw;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
}

.site-nav .about-sidenav a:hover,
.site-nav .about-sidenav a:focus-visible,
.site-nav .about-sidenav a.active {
  background: var(--color-primary);
  color: #fff;
}

.nav-dropdown-wrap:hover .about-sidenav,
.nav-dropdown-wrap:focus-within .about-sidenav,
.nav-dropdown-wrap.is-open .about-sidenav {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.site-nav .about-sidenav a::after {
  display: none;
}

.header-actions {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  gap: 1.25vw;
}

.language-btn {
  display: inline-flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  white-space: nowrap;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  line-height: 0;
}

.language-btn img {
  flex-shrink: 0;
  width: 1.823vw;
  min-width: 35px;
  height: 1.823vw;
  min-height: 35px;
  display: block;
  object-fit: contain;
}

.language-dropdown-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.language-dropdown-wrap::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 100%;
  width: 170px;
  height: 3.042vw;
  min-height: 12px;
  transform: translateX(-50%);
}

.header-actions .language-sidenav {
  position: absolute;
  top: calc(100% + 3.042vw);
  left: 50%;
  right: auto;
  transform: translateX(-50%);
  width: 170px;
  min-width: 170px;
  padding: 8px;
  background: rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
  z-index: 50;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.header-actions .language-sidenav a {
  display: block;
  height: 48px;
  padding: 8px 16px;
  border-radius: 12px;
  color: rgba(255, 255, 255, 0.88);
  line-height: 32px;
  white-space: nowrap;
  transition: background var(--transition), color var(--transition);
  text-align: left;
}

.header-actions .language-sidenav a:hover,
.header-actions .language-sidenav a:focus-visible,
.header-actions .language-sidenav a.active {
  background: var(--color-primary);
  color: #fff;
}

.header-actions .language-sidenav li:first-child a:not(:hover):not(:focus-visible):not(.active) {
  background: transparent;
}

.header-actions .language-sidenav a::after {
  display: none;
}

.header-actions .language-sidenav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 4px;
}

.language-dropdown-wrap:hover .language-sidenav,
.language-dropdown-wrap:focus-within .language-sidenav {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

@media screen and (max-width: 1200px) {
  .site-nav {
    gap: 28px;
  }
}

@media screen and (max-width: 768px) {
  body.mobile-nav-open {
    overflow: hidden;
  }

  .site-header {
    background: rgba(0, 0, 0, 0.4);
  }

  .header-inner {
    height: auto;
    min-height: 76px;
    padding: 14px 0;
    flex-wrap: nowrap;
    gap: 8px;
  }

  .brand-vector {
    width: 56px;
    min-width: 56px;
  }

  .site-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    margin-left: auto;
    cursor: pointer;
    z-index: 62;
  }

  .site-menu-toggle span {
    width: 18px;
    height: 2px;
    background: #fff;
    border-radius: 999px;
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  .site-header.is-mobile-nav-open .site-menu-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header.is-mobile-nav-open .site-menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .site-header.is-mobile-nav-open .site-menu-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-nav {
    display: flex;
    position: fixed;
    top: 0;
    right: 0;
    width: min(82vw, 360px);
    height: 100vh;
    padding: 92px 20px 24px;
    background: rgba(9, 41, 56, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    transform: translateX(106%);
    transition: transform 0.28s ease;
    z-index: 61;
    overflow-y: auto;
  }

  .site-header.is-mobile-nav-open .site-nav {
    transform: translateX(0);
  }

  .site-mobile-nav-overlay {
    display: block;
    position: fixed;
    inset: 0;
    border: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 60;
  }

  .site-header.is-mobile-nav-open .site-mobile-nav-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .site-nav > a,
  .site-nav .nav-dropdown-trigger {
    width: 100%;
    font-size: 16px;
    line-height: 1.5;
    padding: 10px 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
  }

  .site-nav .nav-dropdown-wrap {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
  }

  .site-nav .about-sidenav {
    position: static;
    transform: none;
    min-width: 0;
    width: 100%;
    padding: 0;
    border: 0;
    border-radius: 10px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    background: rgba(255, 255, 255, 0.04);
    box-shadow: none;
  }

  .site-nav .about-sidenav a {
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
  }

  .header-actions {
    margin-left: 8px;
    gap: 8px;
    flex: 0 0 auto;
  }

  .header-actions .language-sidenav {
    top: calc(100% + 8px);
    left: 50%;
    right: auto;
    transform: translateX(-50%);
    width: 170px;
    min-width: 170px;
    padding: 8px;
  }

  .language-dropdown-wrap::after {
    height: 8px;
    min-height: 8px;
  }

  .language-btn img {
    width: 35px;
    min-width: 35px;
    height: 35px;
    min-height: 35px;
  }

  .site-header .pill-btn.pill-btn-light {
    min-width: min-content;
    max-width: none;
    flex-shrink: 0;
    white-space: nowrap;
    padding: 0 8px 0 12px;
    gap: 6px;
  }

  .site-header .pill-btn.pill-btn-light .pill-btn-text {
    white-space: nowrap;
    word-break: keep-all;
  }
}