.site-header,
.project-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 40;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 28px;
  background: rgba(7, 7, 7, .34);
  border-bottom: 1px solid rgba(255,255,255,.055);
  -webkit-backdrop-filter: blur(14px) saturate(112%);
  backdrop-filter: blur(14px) saturate(112%);
  mix-blend-mode: normal !important;
  box-shadow: 0 7px 24px rgba(0,0,0,.06);
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease, opacity .25s ease;
}

.site-header::after,
.project-header::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(255,255,255,.012), rgba(255,255,255,0));
}

.site-header .brand,
.site-header .site-nav,
.project-header .project-brand,
.project-header .project-nav {
  position: relative;
  z-index: 1;
}

.site-header .site-nav,
.project-header .project-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-header .site-nav a,
.project-header .project-nav a,
.nav-work-button {
  font-size: 13px;
  letter-spacing: .04em;
  text-transform: none;
}

.site-header .brand img,
.project-header .project-brand img {
  filter: none !important;
  opacity: 1;
}

.site-header .site-nav a,
.project-header .project-nav a,
.nav-work-button {
  color: rgba(255,255,255,.94);
  text-shadow: 0 1px 10px rgba(0,0,0,.35);
  transition: color .18s ease, opacity .18s ease;
}

.nav-work {
  position: relative;
}

.nav-work-button {
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  cursor: pointer;
}

.nav-work-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  min-width: 220px;
  padding: 10px 0;
  background: #000;
  border: 1px solid rgba(255,255,255,.14);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -4px);
  transition: opacity .16s ease, transform .16s ease, visibility .16s ease;
}

.nav-work-menu a {
  display: block;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 12px;
}

.nav-work:hover .nav-work-menu,
.nav-work:focus-within .nav-work-menu,
.nav-work.is-open .nav-work-menu {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.site-header .site-nav a:hover,
.project-header .project-nav a:hover {
  color: #fff;
}

.mobile-menu-toggle {
  display: none;
}

@media (max-width: 760px) {
  html {
    scroll-padding-top: 76px;
  }

  body {
    padding-top: 76px;
  }

  .site-header,
  .project-header {
    top: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 76px;
    padding: 0 20px;
    background: #000;
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    transform: translateY(0);
    transition: transform .24s ease;
  }

  .site-header.world-preview-header {
    position: fixed;
  }

  .site-header.mobile-header-hidden,
  .project-header.mobile-header-hidden {
    transform: translateY(-100%);
  }

  .site-header .brand img,
  .project-header .project-brand img {
    width: 145px;
    height: auto;
  }

  .mobile-menu-toggle {
    position: relative;
    z-index: 2;
    display: flex;
    flex: 0 0 44px;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: #fff;
    cursor: pointer;
  }

  .mobile-menu-toggle span {
    display: block;
    width: 22px;
    height: 1px;
    background: currentColor;
    transition: transform .2s ease, opacity .2s ease;
  }

  .mobile-menu-open .mobile-menu-toggle span:first-child {
    transform: translateY(6px) rotate(45deg);
  }

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

  .mobile-menu-open .mobile-menu-toggle span:last-child {
    transform: translateY(-6px) rotate(-45deg);
  }

  .site-header .site-nav,
  .project-header .project-nav {
    position: absolute;
    z-index: 2;
    top: 100%;
    right: 0;
    left: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    width: 100%;
    max-height: calc(100dvh - 76px);
    padding: 16px 20px 24px;
    overflow-x: hidden;
    overflow-y: auto;
    background: #000;
    box-sizing: border-box;
    overscroll-behavior: contain;
  }

  .site-header.mobile-menu-open .site-nav,
  .project-header.mobile-menu-open .project-nav {
    display: flex;
  }

  .site-header .site-nav a,
  .project-header .project-nav a,
  .nav-work-button {
    display: block;
    width: 100%;
    min-height: 48px;
    padding: 13px 0;
    font-size: 18px;
    line-height: 22px;
    text-align: left;
  }

  .nav-work {
    width: 100%;
  }

  .nav-work-menu {
    position: static;
    display: none;
    width: 100%;
    min-width: 0;
    padding: 0 0 8px 12px;
    border: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: none;
  }

  .nav-work.is-open .nav-work-menu {
    display: block;
    transform: none;
  }

  .site-header .nav-work-menu a,
  .project-header .nav-work-menu a {
    min-height: 44px;
    padding: 10px 0 10px 12px;
    font-size: 14px;
    white-space: normal;
  }

  .site-header .language-selector,
  .project-header .language-selector {
    display: flex;
    flex-basis: auto;
    justify-content: flex-start;
    gap: 6px;
    width: 100%;
    min-width: 0;
    margin: 14px 0 0;
    padding: 12px 0 0;
    border: 0;
    border-top: 1px solid rgba(255,255,255,.18);
  }

  .site-header .language-button,
  .project-header .language-button {
    flex: 0 0 44px;
    width: 44px;
    height: 44px;
    font-size: 12px;
  }

  .worlds-intro {
    padding-top: 32px;
  }

  body.project-page main > .project-hero {
    margin-top: 0;
  }

  body.project-page-coralie main > .project-hero,
  body.corporate-page .corporate-hero,
  body.live-world-page .world-preview,
  body.view-architecture .hero {
    height: calc(100dvh - 76px);
    min-height: calc(100dvh - 76px);
  }
}