.site-header.nav {
  position: fixed;
  top: 12px;
  left: 2vw;
  width: 96vw;
  height: 64px;
  padding: 0 18px;
  display: flex;
  align-items: center;
  color: #f3efeb;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 999px;
  background: rgba(12, 17, 22, .78);
  box-shadow: 0 14px 38px rgba(8, 13, 17, .2);
  backdrop-filter: blur(18px) saturate(1.15);
  z-index: 50;
}

.site-header.nav .brand {
  position: absolute;
  top: -1px;
  left: 50%;
  width: 84px;
  height: 78px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .34);
  border-top: 0;
  border-radius: 0 0 18px 18px;
  background: #f3efeb;
  box-shadow: 0 14px 30px rgba(7, 12, 17, .22);
  transform: translateX(-50%);
  z-index: 2;
}

.site-header.nav .brand-logo {
  display: block;
  width: 38px;
  height: 38px;
  filter: none;
}

.site-header.nav > nav {
  width: 100%;
  height: 100%;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr)) 104px repeat(3, minmax(0, 1fr));
  align-items: center;
  gap: 2px;
}

.site-header.nav > nav a {
  min-width: 0;
  padding: 10px 8px;
  border-radius: 999px;
  color: rgba(243, 239, 235, .76);
  text-align: center;
  text-decoration: none;
  white-space: nowrap;
  font: 600 10px var(--mono, "DM Mono", monospace);
  letter-spacing: .035em;
  text-transform: uppercase;
  transition: color .22s ease, background-color .22s ease, box-shadow .22s ease, transform .22s ease;
}

.site-header.nav > nav a:nth-child(4) { grid-column: 5; }
.site-header.nav > nav a:nth-child(5) { grid-column: 6; }
.site-header.nav > nav a:nth-child(6) { grid-column: 7; }

.site-header.nav > nav a:hover,
.site-header.nav > nav a:focus-visible {
  color: #fff;
  background: rgba(237, 156, 105, .17);
  box-shadow: inset 0 0 0 1px rgba(255, 205, 173, .18), 0 0 22px rgba(231, 131, 78, .13);
  transform: translateY(-1px);
}

.site-header.nav > nav a[aria-current="page"] {
  color: #fff;
  background: linear-gradient(110deg, rgba(231, 139, 83, .24), rgba(86, 137, 170, .2));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2);
}

.site-header.nav .menu-button {
  display: none;
  border: 0;
  background: none;
  padding: 5px;
  color: #f3efeb;
}

.site-header.nav .language-switch {
  position: absolute;
  top: calc(100% + 7px);
  right: 3px;
  margin: 0;
  padding: 5px 9px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(12, 17, 22, .72);
  color: rgba(243, 239, 235, .82);
  box-shadow: 0 9px 24px rgba(8, 13, 17, .12);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  gap: 5px;
  font: 500 10px var(--mono, "DM Mono", monospace);
  letter-spacing: .05em;
}

.site-header.nav .language-switch button {
  border: 0;
  background: none;
  padding: 4px 1px;
  color: inherit;
  font: inherit;
  cursor: pointer;
  opacity: .46;
}

.site-header.nav .language-switch button.active {
  opacity: 1;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.language-notice {
  position: fixed;
  top: 104px;
  right: 4vw;
  z-index: 120;
  max-width: min(360px, calc(100vw - 32px));
  padding: 12px 17px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  background: rgba(17, 22, 27, .88);
  color: #f5f3ef;
  box-shadow: 0 12px 35px rgba(0, 0, 0, .2);
  backdrop-filter: blur(14px);
  font: 500 10px/1.4 var(--mono, "DM Mono", monospace);
  letter-spacing: .035em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(-8px);
  pointer-events: none;
  transition: opacity .22s ease, transform .22s ease;
}

.language-notice.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.has-global-nav .back {
  top: 94px;
  z-index: 40;
  padding: 7px 10px;
  border-radius: 999px;
  background: rgba(243, 239, 235, .74);
  backdrop-filter: blur(10px);
}

@media (max-width: 1040px) {
  .site-header.nav > nav a {
    padding-inline: 4px;
    font-size: 9px;
  }
}

@media (max-width: 900px) {
  .site-header.nav {
    top: 10px;
    left: 4vw;
    width: 92vw;
    height: 58px;
    padding: 0 14px;
    border-radius: 22px;
    border-color: rgba(255, 255, 255, .13);
    background: rgba(12, 17, 22, .56);
    box-shadow: 0 12px 30px rgba(8, 13, 17, .14);
  }

  .site-header.nav .brand {
    position: static;
    width: 38px;
    height: 38px;
    border: 0;
    border-radius: 9px;
    background: transparent;
    box-shadow: none;
    transform: none;
  }

  .site-header.nav .brand-logo {
    width: 36px;
    height: 36px;
  }

  .site-header.nav .menu-button {
    display: block;
    margin: 0 63px 0 auto;
    padding: 8px;
    min-width: 44px;
    min-height: 44px;
    font: 600 10px var(--mono, "DM Mono", monospace);
    letter-spacing: .04em;
    text-transform: uppercase;
  }

  .site-header.nav > nav {
    display: none;
  }

  .site-header.nav.open > nav {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    left: auto;
    width: min(310px, 92vw);
    height: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    border: 1px solid rgba(255, 255, 255, .16);
    border-radius: 22px;
    background: rgba(12, 17, 22, .94);
    box-shadow: 0 22px 48px rgba(7, 12, 17, .28);
    backdrop-filter: blur(18px);
    transform-origin: top right;
    animation: mobile-menu-enter .28s cubic-bezier(.2,.75,.25,1) both;
  }

  .site-header.nav.open > nav a {
    padding: 12px 14px;
    color: rgba(243, 239, 235, .82);
    text-align: left;
    font-size: 10px;
    text-shadow: none;
    opacity: 0;
    transform: translateY(-5px);
    animation: mobile-menu-item-enter .24s ease forwards;
  }

  .site-header.nav.open > nav a:nth-child(1) { animation-delay: .045s; }
  .site-header.nav.open > nav a:nth-child(2) { animation-delay: .07s; }
  .site-header.nav.open > nav a:nth-child(3) { animation-delay: .095s; }
  .site-header.nav.open > nav a:nth-child(4) { animation-delay: .12s; }
  .site-header.nav.open > nav a:nth-child(5) { animation-delay: .145s; }
  .site-header.nav.open > nav a:nth-child(6) { animation-delay: .17s; }

  .site-header.nav.open > nav a[aria-current="page"] {
    color: #fff;
  }

  .site-header.nav .language-switch {
    top: 50%;
    right: 14px;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    transform: translateY(-50%);
    backdrop-filter: none;
  }

  .site-header.nav .language-switch button {
    position: relative;
  }

  .site-header.nav .language-switch button::after {
    content: "";
    position: absolute;
    inset: -12px -8px;
  }

  .has-global-nav .back {
    top: 86px;
  }

  .language-notice {
    top: 80px;
    right: 16px;
    left: 16px;
    max-width: none;
    border-radius: 18px;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-header.nav > nav a {
    transition: none;
  }

  .language-notice {
    transition: none;
  }

  .site-header.nav.open > nav,
  .site-header.nav.open > nav a {
    animation: none;
    opacity: 1;
    transform: none;
  }
}

@keyframes mobile-menu-enter {
  from {
    opacity: 0;
    transform: translateY(-8px) scale(.985);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes mobile-menu-item-enter {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}