html {
  scrollbar-gutter: stable;
}

.header {
  height: 88px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 8px;
  border-bottom: 1px solid rgba(255,255,255,0.075);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(14px);
  background:
    linear-gradient(180deg, rgba(2,3,5,0.94), rgba(2,3,5,0.66)),
    radial-gradient(circle at 70% 0%, rgba(255,255,255,0.08), transparent 30%);
}

.brand {
  display: flex;
  align-items: center;
  gap: 17px;
  color: #ebebeb;
  font-family: Orbitron, sans-serif;
  font-size: 18px;
  letter-spacing: 0.43em;
  text-transform: uppercase;
}

.brand-logo {
  width: 54px;
  height: 54px;
  flex: 0 0 54px;
  display: block;
  object-fit: contain;
  opacity: 0.55;
  filter:
    drop-shadow(0 0 8px rgba(255,255,255,0.22))
    drop-shadow(0 0 18px rgba(214,173,104,0.10));
  transition: transform 0.25s ease, filter 0.25s ease;
}

.brand:hover .brand-logo {
  transform: scale(1.04);
  filter:
    drop-shadow(0 0 10px rgba(255,255,255,0.32))
    drop-shadow(0 0 24px rgba(214,173,104,0.18));
}

.nav {
  display: flex;
  gap: 42px;
  align-items: flex-start;
  color: #d8d8d8;
  font-family: Orbitron, sans-serif;
  font-size: 13px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
}

.nav > a,
.nav-parent {
  position: relative;
  padding: 35px 0 28px;
  opacity: 0.86;
}

.nav > a.active,
.nav > a:hover,
.nav-parent:hover,
.nav-parent:focus-visible,
.nav-dropdown.current > .nav-parent {
  opacity: 1;
}

.nav > a.active::after,
.nav > a:hover::after,
.nav-dropdown.current > .nav-parent::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 9px;
  height: 2px;
  background: var(--gold);
  box-shadow: 0 0 14px rgba(214,173,104,0.6);
}

.nav-dropdown {
  position: relative;
}

.nav-parent {
  display: flex;
  align-items: center;
  gap: 9px;
  color: inherit;
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
}

.nav-parent::-webkit-details-marker {
  display: none;
}

.nav-parent:focus-visible {
  outline: 1px solid rgba(214,173,104,0.65);
  outline-offset: 4px;
}

.nav-chevron {
  width: 6px;
  height: 6px;
  margin-top: -4px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg);
  transition: transform 0.18s ease;
}

.nav-dropdown[open] .nav-chevron {
  margin-top: 3px;
  transform: rotate(225deg);
}

.nav-submenu {
  position: absolute;
  top: calc(100% - 7px);
  left: 50%;
  z-index: 50;
  min-width: 170px;
  padding: 7px;
  border: 1px solid rgba(214,173,104,0.25);
  background: rgba(3,4,7,0.97);
  box-shadow: 0 14px 32px rgba(0,0,0,0.42);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(-50%, -5px);
  transition: opacity 0.16s ease, transform 0.16s ease, visibility 0.16s ease;
}

.nav-submenu a {
  display: block;
  padding: 10px 12px;
  color: #d4d4d4;
  font-size: 11px;
  letter-spacing: 0.2em;
  opacity: 0.86;
  white-space: nowrap;
}

/* Submenu states remain restrained and never inherit the main-nav underline. */
.nav .nav-submenu a::after {
  content: none !important;
  display: none !important;
}

.nav-submenu a:hover,
.nav-submenu a:focus-visible,
.nav-submenu a.active {
  color: var(--gold);
  background: rgba(214,173,104,0.07);
  opacity: 1;
}

.nav-submenu a:focus-visible {
  outline: 1px solid rgba(214,173,104,0.55);
  outline-offset: -2px;
}

@media (min-width: 681px) {
  .nav-dropdown:hover .nav-submenu,
  .nav-dropdown:focus-within .nav-submenu,
  .nav-dropdown[open] .nav-submenu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
  }
}

.socials {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 18px;
  color: #f3f3f3;
  font-size: 19px;
}

.socials a {
  opacity: 0.9;
  transition: 0.2s ease;
}

.socials a:hover {
  color: var(--gold);
  opacity: 1;
}

.language-switcher {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-right: 4px;
  color: #777;
  font-family: Orbitron, sans-serif;
  font-size: 10px;
  letter-spacing: 0.16em;
  line-height: 1;
}

.language-switcher a {
  color: inherit;
  opacity: 0.72;
}

.language-switcher a.active {
  color: #f2f2f2;
  opacity: 1;
}

.language-switcher a:hover,
.language-switcher a:focus-visible {
  color: var(--gold);
  opacity: 1;
}

.language-separator {
  color: rgba(255,255,255,0.28);
}

.social-link {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 0;
  color: #f3f3f3;
  background: transparent;
  box-shadow: none;
  opacity: 0.92;
}

.social-link:hover {
  color: var(--gold);
  transform: translateY(-1px);
}

.social-link svg {
  width: 19px;
  height: 19px;
  display: block;
  fill: currentColor;
  stroke: currentColor;
}

@media (max-width: 1100px) {
  .header {
    grid-template-columns: 1fr;
    height: auto;
    gap: 18px;
    padding: 0 8px;
  }

  .brand,
  .nav,
  .socials {
    justify-content: center;
  }

  .brand,
  .nav {
    flex-wrap: nowrap;
  }
}

@media (max-width: 680px) {
  .site {
    width: calc(100% - 24px);
  }

  .brand {
    font-size: 14px;
    letter-spacing: 0.22em;
  }

  .nav {
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 18px;
    font-size: 11px;
  }

  .nav > a,
  .nav-parent {
    padding: 4px 0;
  }

  .nav > a.active::after,
  .nav > a:hover::after,
  .nav-dropdown.current > .nav-parent::after {
    bottom: -6px;
  }

  .nav-parent {
    justify-content: center;
  }

  .nav-submenu {
    position: static;
    display: none;
    min-width: 150px;
    margin-top: 10px;
    padding: 6px;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: none;
    box-shadow: 0 10px 24px rgba(0,0,0,0.32);
  }

  .nav-dropdown[open] .nav-submenu {
    display: grid;
  }

  .nav-submenu a {
    padding: 9px 12px;
    text-align: left;
  }

  .socials {
    gap: 16px;
  }

  .language-switcher {
    margin-right: 2px;
  }
}