/* Shared site header: the homepage navigation, reused on every page.
   Rules are scoped to header.site-header so page stylesheets cannot reshape it.
   Mirrors the header rules in home.css; keep both in step.
   .scrolled is listed so legacy bundle rules (.site-header.scrolled) never win. */
header.site-header,
header.site-header.scrolled {
  --sh-nav: 80px;
  --sh-gutter: clamp(22px, 4.5vw, 88px);
  --sh-blue: #0052ff;
  --sh-ice: #9bbdff;
  --sh-line: #ffffff24;
  --sh-mono: "IBM Plex Mono", monospace;
  box-sizing: border-box;
  height: var(--sh-nav);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin: 0;
  padding: 0 var(--sh-gutter);
  background: #0b1015f5;
  color: #f5f6f4;
  border-bottom: 1px solid #ffffff15;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  font: 16px/1.6 "Archivo", Arial, Helvetica, sans-serif;
  letter-spacing: normal;
  text-transform: none;
  -webkit-font-smoothing: antialiased;
  transition: none;
}
/* Pages whose content was laid out beneath an overlaid header keep it out of flow. */
header.site-header.site-header--fixed,
header.site-header.site-header--fixed.scrolled {
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
}
header.site-header *,
header.site-header *::before,
header.site-header *::after {
  box-sizing: border-box;
}
header.site-header a {
  color: inherit;
  text-decoration: none;
  border: 0;
  border-radius: 0;
  background: none;
  min-height: 0;
  font-weight: inherit;
  letter-spacing: inherit;
  -webkit-tap-highlight-color: transparent;
}
header.site-header a:focus-visible,
header.site-header button:focus-visible,
header.site-header summary:focus-visible {
  outline: 2px solid var(--sh-ice);
  outline-offset: 6px;
}
header.site-header nav {
  margin: 0;
  padding: 0;
  border: 0;
  background: none;
  position: static;
}
header.site-header .brand {
  display: inline-block;
  font-size: 27px;
  line-height: 1.15;
  white-space: nowrap;
  padding: 0;
  color: inherit;
}
header.site-header .desktop-nav {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 12px;
  line-height: 1.6;
}
header.site-header .desktop-nav a {
  color: #b9c0c8;
  padding: 0;
  transition: color 0.2s;
}
header.site-header .desktop-nav a:hover,
header.site-header .desktop-nav a[aria-current] {
  color: #fff;
}
header.site-header .desktop-nav a[aria-current] {
  text-decoration: underline;
  text-decoration-color: var(--sh-blue);
  text-decoration-thickness: 1px;
  text-underline-offset: 8px;
}
header.site-header .header-actions {
  display: flex;
  gap: 24px;
  align-items: center;
  margin: 0;
}
header.site-header .header-contact {
  display: inline-block;
  font-size: 12px;
  line-height: 1.6;
  padding: 11px 17px;
  border: 1px solid #ffffff40;
  color: #f5f6f4;
  white-space: nowrap;
  transition:
    background 0.2s,
    border 0.2s;
}
header.site-header .header-contact span {
  margin-left: 24px;
  color: var(--sh-ice);
}
header.site-header .header-contact:hover,
header.site-header .header-contact[aria-current] {
  background: var(--sh-blue);
  border-color: var(--sh-blue);
}
header.site-header .header-contact:hover span,
header.site-header .header-contact[aria-current] span {
  color: #fff;
}
header.site-header .language {
  position: relative;
  display: block;
  margin: 0;
  font: 10px var(--sh-mono);
  letter-spacing: normal;
  color: inherit;
}
header.site-header .language summary {
  display: block;
  cursor: pointer;
  list-style: none;
  min-width: 0;
  padding: 12px 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
}
header.site-header .language summary::-webkit-details-marker {
  display: none;
}
header.site-header .language summary::marker {
  content: "";
}
header.site-header .language summary span {
  margin-left: 5px;
  color: inherit;
  font-size: inherit;
  transform: none;
  transition: none;
}
header.site-header .language nav {
  display: block;
  position: absolute;
  right: 0;
  top: 42px;
  min-width: 150px;
  background: #19212b;
  border: 1px solid var(--sh-line);
  padding: 10px;
  box-shadow: 0 12px 40px #0006;
  backdrop-filter: none;
}
header.site-header .language a {
  display: block;
  padding: 10px;
  color: #f5f6f4;
  font: inherit;
  letter-spacing: normal;
  transition: none;
}
header.site-header .language a:hover {
  background: #ffffff15;
}
header.site-header .language a[aria-current] {
  color: var(--sh-ice);
  background: none;
}
header.site-header .menu-toggle {
  display: none;
  width: 34px;
  height: 44px;
  margin: 0;
  padding: 10px 4px;
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
header.site-header .menu-toggle span {
  display: block;
  width: 25px;
  height: 1px;
  background: #fff;
  margin: 6px 0;
  transition: transform 0.25s;
}
header.site-header .mobile-nav {
  display: none;
}
body.menu-open {
  overflow: hidden;
}
@media (max-width: 1100px) {
  header.site-header .desktop-nav {
    gap: 20px;
  }
  header.site-header .header-actions {
    gap: 16px;
  }
}
@media (max-width: 850px) and (min-width: 761px) {
  header.site-header .desktop-nav {
    gap: 14px;
  }
  header.site-header .desktop-nav a {
    font-size: 10px;
  }
  header.site-header .brand {
    font-size: 24px;
  }
  header.site-header .header-contact {
    font-size: 10px;
    padding: 10px;
  }
  header.site-header .header-contact span {
    margin-left: 9px;
  }
  header.site-header .header-actions {
    gap: 12px;
  }
  header.site-header .language {
    font-size: 9px;
  }
}
@media (max-width: 760px) {
  header.site-header {
    --sh-nav: 66px;
    --sh-gutter: 22px;
    gap: 14px;
  }
  header.site-header .brand {
    font-size: 23px;
  }
  header.site-header .desktop-nav {
    display: none;
  }
  header.site-header .header-actions {
    gap: 17px;
  }
  header.site-header .header-contact {
    font-size: 10px;
    padding: 9px 12px;
  }
  header.site-header .header-contact span {
    margin-left: 15px;
  }
  header.site-header .language {
    font-size: 9px;
  }
  header.site-header .menu-toggle {
    display: block;
  }
  header.site-header .mobile-nav {
    display: flex;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
    position: absolute;
    top: 65px;
    left: 0;
    right: 0;
    height: calc(100vh - 65px);
    height: calc(100svh - 65px);
    background: #0b1015;
    padding: 28px var(--sh-gutter);
    flex-direction: column;
    overflow-y: auto;
    transition:
      opacity 0.2s,
      visibility 0.2s;
  }
  header.site-header .mobile-nav > a {
    font-size: 29px;
    line-height: 1.6;
    letter-spacing: -0.04em;
    padding: 20px 0;
    border-bottom: 1px solid #ffffff20;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #f5f6f4;
  }
  header.site-header .mobile-nav > a[aria-current] {
    color: var(--sh-ice);
  }
  header.site-header .mobile-nav > a span {
    font: 10px var(--sh-mono);
    letter-spacing: normal;
    color: #667d98;
  }
  header.site-header .mobile-nav > a:last-child {
    font-size: 19px;
    color: var(--sh-ice);
    margin-top: 20px;
  }
  header.site-header.menu-open .mobile-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  header.site-header.menu-open .menu-toggle span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }
  header.site-header.menu-open .menu-toggle span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }
}
@media (max-width: 420px) {
  header.site-header .header-contact {
    display: none;
  }
}