.site-header {
  background: #0b0d10f5;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(14px);
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 88px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 13px;
  text-decoration: none;
  flex-shrink: 0;
}
.brand-mark {
  height: 40px;
  width: 40px;
  display: grid;
  place-items: center;
  border: 1px solid #62846a;
  color: var(--mint);
  font-family: Georgia, serif;
  font-size: 24px;
}
.brand-text {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  line-height: 1.5;
}
.brand-text small {
  font-size: 0.57rem;
  letter-spacing: 0.15em;
  color: var(--muted);
  display: block;
  font-weight: 400;
}
.header-tools {
  display: flex;
  align-items: center;
  gap: 14px;
}
.nav {
  display: flex;
  gap: 23px;
  align-items: center;
}
.nav a {
  font-size: 0.73rem;
  color: #b5bcc2;
  text-decoration: none;
  padding: 33px 0;
  position: relative;
  white-space: nowrap;
}
.nav a:hover,
.nav a[aria-current="page"] {
  color: white;
}
.nav a[aria-current="page"]:after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
}
.nav .nav-support {
  color: var(--mint);
}
.menu-toggle {
  display: none;
  background: transparent;
  color: white;
  border: 1px solid var(--border);
  padding: 8px 11px;
  font-size: 0.8rem;
}
.utility {
  border-bottom: 1px solid var(--border);
  padding: 8px 0;
  font:
    10px ui-monospace,
    monospace;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.utility .wrap {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.utility a {
  text-decoration: none;
  color: var(--gold);
}
@media (max-width: 1150px) {
  .nav {
    gap: 14px;
  }
  .nav a {
    font-size: 0.68rem;
  }
  .brand-text {
    font-size: 0.7rem;
  }
  .brand-mark {
    width: 34px;
    height: 34px;
  }
}
@media (max-width: 1000px) {
  .header-top {
    min-height: 74px;
  }
  .menu-toggle {
    display: block;
  }
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #101619;
    border-bottom: 1px solid var(--border);
    padding: 15px 24px;
    max-height: 75vh;
    overflow: auto;
    box-shadow: 0 15px 25px #0005;
  }
  .nav.is-open {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 24px;
  }
  .nav a {
    padding: 15px 0;
    font-size: 0.9rem;
  }
  .nav a[aria-current="page"]:after {
    height: 1px;
  }
  .utility .wrap > span:last-child {
    display: none;
  }
  .header-tools {
    gap: 8px;
  }
  .quick-exit {
    font-size: 0.67rem;
    padding: 8px;
  }
  .brand-text {
    font-size: 0.65rem;
  }
  .brand-text small {
    font-size: 0.5rem;
  }
}
@media (max-width: 390px) {
  .brand-mark {
    width: 28px;
    height: 32px;
    font-size: 20px;
  }
  .brand {
    gap: 8px;
  }
  .menu-toggle {
    font-size: 0.7rem;
    padding: 8px;
  }
  .header-top {
    gap: 8px;
  }
  .quick-exit {
    padding: 8px 7px;
  }
}
@media (max-width: 450px) {
  .brand-text small {
    max-width: 125px;
    white-space: normal;
    letter-spacing: 0.06em;
  }
  .brand-text {
    font-size: 0.59rem;
  }
  .brand {
    gap: 8px;
  }
  .header-top {
    gap: 8px;
  }
  .brand-mark {
    width: 28px;
    height: 32px;
  }
  .menu-toggle {
    white-space: nowrap;
    font-size: 0.66rem;
    padding: 8px;
  }
  .quick-exit {
    font-size: 0.62rem;
    padding: 8px;
  }
  .header-tools {
    gap: 7px;
  }
}
@media (max-width: 1000px) {
  .no-js .header-top {
    flex-wrap: wrap;
  }
  .no-js .nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: static;
    order: 3;
    width: 100%;
    padding: 10px 0;
    max-height: none;
    box-shadow: none;
  }
  .no-js .menu-toggle {
    display: none;
  }
  .no-js .site-header {
    position: static;
  }
}