:root {
  --header-accent: #0071e3;
  --header-surface: #161618;
  --header-glass: rgba(22, 22, 24, .72);
  --header-glass-strong: rgba(22, 22, 24, .84);
  --header-spring: cubic-bezier(.22, 1, .36, 1);
}

body > .site-header,
body > .site-head {
  z-index: 50;
  top: 0;
  left: 0;
  width: 100%;
  height: 3.5rem;
  min-height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 max(1.5rem, calc((100% - 70rem) / 2));
  color: #fff;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Noto Sans SC Variable", sans-serif;
  background: var(--header-glass);
  border-bottom: 0;
  -webkit-backdrop-filter: blur(1.5rem) saturate(180%);
  backdrop-filter: blur(1.5rem) saturate(180%);
  transition:
    background-color .28s var(--header-spring),
    box-shadow .28s var(--header-spring),
    -webkit-backdrop-filter .28s var(--header-spring),
    backdrop-filter .28s var(--header-spring);
}

body > .site-header { position: fixed; }
body > .site-head { position: sticky; }
body > .site-header.is-scrolled {
  height: 3.5rem;
  background: var(--header-glass-strong);
  box-shadow: 0 .5rem 1.75rem rgba(0, 0, 0, .12);
  -webkit-backdrop-filter: blur(1.75rem) saturate(185%);
  backdrop-filter: blur(1.75rem) saturate(185%);
}

body > .site-header::after,
body > .site-head::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: .875rem;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(0, 0, 0, .09), transparent);
  opacity: .55;
}

.site-header .brand,
.site-head .brand {
  flex: 0 0 auto;
  gap: .5625rem;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -.025em;
}

.site-header .brand b,
.site-head .brand b { color: var(--header-accent); }
.site-header .brand-mark,
.site-head .brand-mark { width: 1.875rem; height: 1.875rem; opacity: 1; }

.main-nav,
.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5625rem;
  color: rgba(255, 255, 255, .76);
  font-size: .75rem;
  font-weight: 550;
}

.main-nav > a,
.site-nav > a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  color: rgba(255, 255, 255, .76);
  border: 0;
  transition: color .16s ease, transform 90ms ease-out;
}

.main-nav > a[href*="contact"]:not(.nav-cta),
.site-nav > a[href*="contact"]:not(.header-cta) {
  display: none !important;
}

.main-nav > a:hover,
.site-nav > a:hover,
.main-nav > a[aria-current="page"],
.site-nav > a[aria-current="page"] { color: #fff; }
.main-nav > a:active,
.site-nav > a:active { transform: scale(.97); }

.site-header .language-menu summary,
.site-head .language-menu summary {
  gap: 6px;
  min-height: 2.75rem;
  padding: 0 .625rem;
  font-family: inherit;
  font-size: .75rem;
  font-weight: 550;
}

.site-header .language-menu summary > span,
.site-head .language-menu summary > span { font-size: .5625rem; }

.site-header .language-menu summary::after,
.site-head .language-menu summary::after {
  content: '⌄';
  margin-top: -.1875rem;
  font-family: inherit;
  font-size: .6875rem;
  font-weight: 550;
}

.site-header .language-menu-popover,
.site-head .language-menu-popover {
  width: 19rem;
  min-width: 19rem;
  max-height: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .125rem;
  overflow: visible;
}

.site-header .nav-cta,
.site-head .header-cta {
  flex: 0 0 auto;
  min-height: 1.875rem;
  padding: .3125rem .75rem;
  color: #fff;
  background: var(--header-accent);
  border: 0;
  border-radius: 999px;
  font: inherit;
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .01em;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .08);
  cursor: pointer;
  transition: transform 90ms ease-out, background-color .16s ease, box-shadow .16s ease;
}

.site-header .nav-cta:hover,
.site-head .header-cta:hover {
  background: #0077ed;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .14);
}

.site-header .nav-cta:active,
.site-head .header-cta:active { transform: scale(.96); }
.nav-cta span { display: none; }

.site-header .menu-button,
.site-head .menu-button {
  display: none;
  z-index: 2;
  padding: .5rem;
  color: #fff;
  background: none;
  border: 0;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform 100ms ease-out;
}

.site-header .menu-button:active,
.site-head .menu-button:active { transform: scale(.94); }

.site-header .menu-button span,
.site-head .menu-button span {
  display: block;
  width: 1.375rem;
  height: .0625rem;
  margin: .375rem 0;
  background: currentColor;
  transition: transform .3s var(--header-spring), opacity .16s ease;
}

body.menu-open .menu-button span:first-child { transform: translateY(.21875rem) rotate(45deg); }
body.menu-open .menu-button span:last-child { transform: translateY(-.21875rem) rotate(-45deg); }

@media (max-width: 1180px) {
  .main-nav,
  .site-nav { gap: 1.125rem; }
}

@media (min-width: 981px) {
  body > .site-header > .main-nav,
  body > .site-head > .site-nav { background: transparent; }
}

@media (max-width: 980px) {
  body > .site-header,
  body > .site-head { height: 3.25rem; min-height: 3.25rem; padding: 0 1.125rem; }
  .site-header.is-scrolled { height: 3.25rem; }
  .site-header .menu-button,
  .site-head .menu-button { display: block; }
  .main-nav,
  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.375rem;
    color: #fff;
    background: rgba(17, 18, 20, .82);
    -webkit-backdrop-filter: blur(1.875rem) saturate(180%);
    backdrop-filter: blur(1.875rem) saturate(180%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate3d(.625rem, -.875rem, 0) scale(.985);
    transform-origin: top right;
    will-change: transform, opacity;
    transition:
      opacity .22s ease-out,
      transform .36s var(--header-spring),
      visibility 0s linear .36s;
    font-size: 1.25rem;
  }
  .main-nav.is-open,
  .site-nav.is-open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    transition-delay: 0s;
  }
  .main-nav > a,
  .site-nav > a {
    display: inline-flex !important;
    min-height: 2.75rem;
    color: rgba(255, 255, 255, .9);
  }
  .main-nav .language-menu summary,
  .site-nav .language-menu summary { font-size: 1.0625rem; }
  .main-nav .language-menu-popover,
  .site-nav .language-menu-popover {
    position: fixed;
    top: 50%;
    left: 50%;
    right: auto;
    width: min(20rem, calc(100vw - 1.5rem));
    min-width: 0;
    max-height: none;
    overflow: visible;
    transform: translate3d(-50%, calc(-50% - .5rem), 0) scale(.96);
    transform-origin: center;
  }
  .main-nav .language-menu.is-visible .language-menu-popover,
  .site-nav .language-menu.is-visible .language-menu-popover { transform: translate3d(-50%, -50%, 0); }
  .site-header .nav-cta,
  .site-head .header-cta {
    min-height: 2.75rem;
    padding: .625rem 1.0625rem;
    font-size: 1rem;
  }
  body.menu-open { overflow: hidden; }
  body.menu-open .site-header,
  body.menu-open .site-head { -webkit-backdrop-filter: none; backdrop-filter: none; }
}

@media (prefers-reduced-motion: reduce) {
  .main-nav,
  .site-nav,
  .menu-button,
  .menu-button span { transition-duration: .01ms !important; }

  .main-nav,
  .site-nav { transform: none; }
}

@media (prefers-reduced-transparency: reduce) {
  body > .site-header,
  body > .site-head {
    background: var(--header-surface);
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }
  .main-nav,
  .site-nav { background: transparent; -webkit-backdrop-filter: none; backdrop-filter: none; }
}

@media (max-width: 980px) and (prefers-reduced-transparency: reduce) {
  .main-nav,
  .site-nav { background: var(--header-surface); }
}

@media (prefers-contrast: more) {
  .site-header,
  .site-head {
    background: #000;
    box-shadow: inset 0 -1px #fff;
  }

  body > .site-header::after,
  body > .site-head::after { display: none; }
}