/*
 Header & navigation
 -------------------------------------------------- */
.nvl-topbar {
  background: var(--color-topbar);
  color: var(--color-text-on-dark);
  font-size: 0.875rem;
}
.nvl-topbar .container,
.site-header .container {
  max-width: 100%;
  width: 100%;
  margin: 0;
  padding: 0;
}
.nvl-topbar .inner {
  display: flex;
  align-items: center;
  gap: 1.375rem;
  padding: 0.5rem 2.5rem;
}
.nvl-topbar .item {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  opacity: 0.95;
  color: inherit;
}
.nvl-topbar .item svg {
  flex: 0 0 auto;
  opacity: 0.9;
}
.nvl-topbar a {
  color: inherit;
  text-decoration: none;
}
.nvl-topbar .spacer {
  flex: 1 1 auto;
}
.nvl-topbar .track {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  background: rgba(255, 255, 255, 0.12);
  font-weight: 600;
  transition: background-color .2s ease, border-color .2s ease, transform .02s ease;
}
.nvl-topbar .track:hover,
.nvl-topbar .track:focus {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.36);
  transform: translateY(-1px);
}
.nvl-topbar .track-icon {
  display: inline-block;
  margin-left: 0.35rem;
  font-size: 1.1em;
}

.site-header {
  background: #fff;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  z-index: 10;
}
.site-header .inner {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  padding: 1.25rem 2.5rem;
}
.site-branding {
  flex: 0 0 auto;
}
.site-branding img {
  display: block;
  max-height: 52px;
  width: auto;
}
.site-branding .site-title {
  color: var(--color-text-dark);
  font-weight: 700;
  text-decoration: none;
}
.primary-nav {
  flex: 1 1 auto;
}
.primary-nav__toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  color: var(--color-text-dark);
  box-shadow: var(--shadow-sm);
  transition: background-color .2s ease, border-color .2s ease, transform .02s ease;
  margin-left: auto;
}
.primary-nav__toggle:hover,
.primary-nav__toggle:focus {
  background: var(--color-bg-section);
  border-color: color-mix(in oklab, var(--color-border), #000 15%);
}
.primary-nav__toggle-bars {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
}
.primary-nav__toggle-bars span {
  display: block;
  width: 18px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  transition: transform .2s ease, opacity .2s ease;
}
.primary-nav__menu {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 2.25rem;
  margin: 0;
  padding: 0;
}
.primary-nav__menu > li > a {
  position: relative;
  display: inline-block;
  color: var(--color-text-body);
  text-decoration: none;
  font-size: 1.125rem;
  font-weight: 700;
  letter-spacing: .01em;
  padding: 0.35rem 0;
  transition: color .15s ease;
}

.primary-nav__menu > li > a:hover::before,
.primary-nav__menu > li > a:focus::before {
  transform: scaleX(1);
}
.primary-nav__menu .current-menu-item > a {
  color: var(--color-primary);
}

.language-switch {
  flex: 0 0 auto;
  margin-left: 1.5rem;
  font-size: 0.9rem;
}
.language-switch ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}
.language-switch__item {
  display: inline-flex;
}
.language-switch__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: color-mix(in oklab, var(--color-text-body), #000 12%);
  text-decoration: none;
  transition: color .2s ease;
}
.language-switch__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .2s ease;
}
.language-switch__item.is-current .language-switch__link,
.language-switch__link[aria-current="true"] {
  color: var(--color-primary);
  cursor: default;
}
.language-switch__item.is-current .language-switch__link::after,
.language-switch__link[aria-current="true"]::after {
  transform: scaleX(1);
}
.language-switch__item:not(.is-current) .language-switch__link:hover,
.language-switch__item:not(.is-current) .language-switch__link:focus {
  color: var(--color-primary-hover);
}
.language-switch__item:not(.is-current) .language-switch__link:hover::after,
.language-switch__item:not(.is-current) .language-switch__link:focus::after {
  transform: scaleX(1);
}
.language-switch--drawer {
  display: none;
}

.site-header.is-menu-open .primary-nav__toggle-bars span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-header.is-menu-open .primary-nav__toggle-bars span:nth-child(2) {
  opacity: 0;
}
.site-header.is-menu-open .primary-nav__toggle-bars span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@media (prefers-reduced-motion: reduce) {
  .primary-nav__menu > li > a::before,
  .primary-nav__toggle,
  .primary-nav__toggle-bars span,
  .nvl-topbar .track {
    transition: none;
  }
}

@media (max-width: 1100px) {
  .site-header .inner {
    gap: 2rem;
    padding: 1rem 2rem;
  }
  .nvl-topbar .inner {
    padding: 0.5rem 2rem;
    gap: 1rem;
  }
}

@media (max-width: 992px) {
  .nvl-topbar {
    display: none;
  }
  .primary-nav__toggle {
    display: inline-flex;
  }
  .site-header .inner {
    position: relative;
  }
  .primary-nav {
    position: absolute;
    inset: 100% 0 auto 0;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 16px 22px rgba(0, 0, 0, 0.06);
    display: none;
  }
  .site-header.is-menu-open .primary-nav {
    display: block;
  }
  .primary-nav__menu {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 1rem 1.5rem;
  }
  .primary-nav__menu > li + li {
    border-top: 1px solid var(--color-border);
  }
  .primary-nav__menu > li > a {
    padding: 0.75rem 0;
  }
  .language-switch--header {
    display: none;
  }
  .language-switch--drawer {
    display: block;
    border-top: 1px solid var(--color-border);
    padding: 0.9rem 1.5rem 1.2rem;
  }
  .language-switch--drawer ul {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.75rem;
  }
}

@media (max-width: 768px) {
  .nvl-topbar .inner {
    flex-wrap: wrap;
    padding: 0.65rem 1.25rem;
    gap: 0.75rem 1rem;
  }
  .nvl-topbar .item {
    flex: 1 1 calc(50% - 1rem);
    min-width: 220px;
  }
  .nvl-topbar .spacer {
    display: none;
  }
  .site-header .inner {
    padding: 0.9rem 1.25rem;
  }
}

@media (max-width: 520px) {
  .nvl-topbar .item {
    flex-basis: 100%;
  }
  .primary-nav__menu {
    padding: 0.75rem 1rem;
  }
}