/*
 * Canonical site navigation.
 * Keep all future header and services-dropdown changes in this file.
 */

.site-header {
  --nav-accent: var(--ntc-red);
  --nav-accent-hover: var(--ntc-red-hover);
  --nav-accent-rgb: var(--ntc-accent-rgb);
  --nav-marker: var(--ntc-dark-accent);
  --nav-on-accent: #fff;
  --nav-outline: color-mix(in srgb, var(--nav-marker) 45%, transparent);
}

/* Express inherits its yellow accent; its filled actions require charcoal text. */
.express-brand-page .site-header {
  --nav-on-accent: var(--ntc-charcoal);
}

.site-header .navbar {
  background: var(--ntc-charcoal);
  border-bottom: 1px solid rgba(255,255,255,.1);
  box-shadow: none;
  padding: 1.25rem 0;
  transition: background-color .25s ease,border-color .25s ease,box-shadow .25s ease,padding .25s ease;
}

/* Variant: the hero owns the top scrim; the closed navigation has no hard lower edge. */
@media (min-width:1200px) {
  .site-header--over-hero .navbar:not(.navbar-scrolled):not(:has(.services-menu.show)) {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
  }
}

.site-header .nav-shell {
  max-width: 1400px;
  column-gap: 1.5rem;
}

/* The single square flag links to the other language. */
.site-header .language-switch {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
  margin-left: auto;
}

.site-header .language-flag {
  display: grid;
  place-items: center;
  flex: 0 0 2.75rem;
  width: 2.75rem;
  height: 2.75rem;
  padding: 8px;
  border: 0;
  border-radius: var(--ntc-radius-control);
  background: transparent;
  text-decoration: none;
  transition: background-color .2s ease;
}

.site-header .language-flag img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--ntc-radius-control);
}

.site-header .language-flag:hover {
  background: rgba(255,255,255,.06);
}

.site-header .language-flag:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.site-header .navbar-brand {
  flex: 0 0 auto;
  padding: 0;
  display: block;
  line-height: 0;
}

.site-header .site-logo {
  height: 2.125rem;
  transition: transform .25s ease;
  width: auto;
  display: block;
}

.site-header .navbar-brand:hover .site-logo {
  transform: translateY(-1px);
}

.site-header .navbar-collapse {
  gap: 1.75rem;
  order: 4;
}

.site-header .navbar-nav {
  align-items: center;
  gap: .5rem;
}

.site-header .navbar .nav-link {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--ntc-radius-control);
  color: #d0d1d3;
  display: flex;
  font-size: .81rem;
  font-weight: 600;
  letter-spacing: .015em;
  min-height: 2.65rem;
  padding: .62rem .82rem;
  position: relative;
  text-shadow: none;
  transition: background-color .2s ease,color .2s ease,transform .2s ease;
}

.site-header .navbar .nav-link:hover,
.site-header .navbar .nav-link:focus-visible {
  background: transparent;
  color: #fff;
  transform: translateY(-1px);
}

.site-header .navbar .nav-link.active {
  background: rgba(var(--nav-accent-rgb),.035);
  box-shadow: inset 0 0 0 1px var(--nav-outline);
  color: #fff;
  padding-left: .82rem;
  font-weight: 700;
}

.site-header .navbar .nav-link.active:not(.dropdown-toggle)::after {
  display: none;
}

.site-header .dropdown-toggle::after,
.site-header .dropdown-toggle.active::after {
  background: none;
  border: 0;
  bottom: auto;
  box-shadow: none;
  color: #c6c7c9;
  content: '\F282';
  display: inline-block;
  font-family: 'bootstrap-icons';
  font-size: .6rem;
  height: auto;
  left: auto;
  margin: 0 0 0 .55rem;
  position: static;
  top: auto;
  transform: none;
  transition: color .2s ease,transform .2s ease;
  width: auto;
}

.site-header .dropdown-toggle.show::after,
.site-header .dropdown-toggle.active.show::after {
  color: #fff;
  transform: rotate(180deg);
}

.site-header .dropdown-toggle.show {
  background: rgba(255,255,255,.06);
  color: #fff;
}

.site-header .services-menu {
  background: var(--ntc-charcoal);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--ntc-radius-control);
  box-shadow: 0 .75rem 2rem rgba(0,0,0,.22);
  margin-top: .75rem;
  max-height: none;
  overflow: visible;
  padding: .65rem;
  width: min(34rem,calc(100vw - 2rem));
}

.site-header .services-menu::before {
  display: none;
}

.site-header .services-menu-heading {
  border-bottom: 1px solid rgba(255,255,255,.1);
  display: flex;
  flex-direction: column;
  gap: .1rem;
  margin: 0 0 .35rem;
  padding: .45rem .65rem .75rem;
}

.site-header .services-menu-heading span {
  color: #fff;
  font-size: .79rem;
  font-weight: 700;
  letter-spacing: .01em;
}

.site-header .services-menu-heading small {
  color: #c6c7c9;
  font-size: .66rem;
  margin-top: .12rem;
}

.site-header .services-menu-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  column-gap: .25rem;
  row-gap: 0;
}

.site-header .services-menu .dropdown-item {
  align-items: center;
  background: transparent;
  border: 0;
  border-radius: var(--ntc-radius-control);
  color: #d0d1d3;
  display: flex;
  font-size: .78rem;
  font-weight: 600;
  justify-content: space-between;
  min-height: 2.75rem;
  padding: .65rem .7rem;
  white-space: normal;
  gap: .6rem;
}

.site-header .services-menu .dropdown-item::after {
  border-right: 1px solid currentColor;
  border-top: 1px solid currentColor;
  content: '';
  flex: 0 0 .38rem;
  height: .38rem;
  opacity: 0;
  transform: translateX(-.2rem) rotate(45deg);
  transition: opacity .18s ease,transform .18s ease;
  width: .38rem;
}

.site-header .services-menu .dropdown-item:hover,
.site-header .services-menu .dropdown-item:focus-visible {
  background: rgba(255,255,255,.06);
  color: #fff;
}

.site-header .services-menu .dropdown-item.active {
  background: rgba(var(--nav-accent-rgb),.12);
  box-shadow: inset 0 0 0 1px var(--nav-outline);
  color: #fff;
  border-color: transparent;
}

.site-header .services-menu .dropdown-item:hover::after,
.site-header .services-menu .dropdown-item:focus-visible::after,
.site-header .services-menu .dropdown-item.active::after {
  opacity: .72;
  transform: translateX(0) rotate(45deg);
}

.site-header .nav-quote-button {
  --bs-btn-color: #fff;
  --bs-btn-bg: transparent;
  --bs-btn-border-color: var(--nav-outline);
  --bs-btn-hover-color: var(--nav-on-accent);
  --bs-btn-hover-bg: var(--nav-accent);
  --bs-btn-hover-border-color: var(--nav-accent);
  --bs-btn-active-color: var(--nav-on-accent);
  --bs-btn-active-bg: var(--nav-accent-hover);
  --bs-btn-active-border-color: var(--nav-accent-hover);
  --bs-btn-disabled-color: var(--nav-on-accent);
  --bs-btn-disabled-bg: var(--nav-accent);
  --bs-btn-disabled-border-color: var(--nav-accent);
  --bs-btn-focus-shadow-rgb: var(--nav-accent-rgb);
  border-radius: var(--ntc-radius-control);
  box-shadow: none;
  font-size: .75rem;
  gap: .65rem;
  margin-left: 0;
  min-height: 2.75rem;
  padding: .65rem 1rem;
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  justify-content: normal;
}

.site-header .nav-tracking-link { border: 0; border-radius: var(--ntc-radius-control); }
.site-header .nav-tracking-link:hover,
.site-header .nav-tracking-link.active { background: transparent; }
.site-header .tracking-quick-link { display: none; }
.site-header .tracking-quick-link:focus-visible { box-shadow: 0 0 0 5px #fff; }

.site-header .home-tracking-link {
  position: fixed;
  right: max(1.5rem, env(safe-area-inset-right));
  bottom: max(1.5rem, env(safe-area-inset-bottom));
  z-index: 1050;
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  padding: .9rem 1.15rem;
  color: var(--ntc-charcoal);
  background: #FFDD33;
  border: 1px solid #FFDD33;
  border-radius: var(--ntc-radius-control);
  box-shadow: 0 .5rem 1.5rem rgba(0,0,0,.24);
  font-size: .84rem;
  font-weight: 700;
  text-decoration: none;
  transition: background-color .2s ease,transform .2s ease;
}

.site-header .home-tracking-link i { font-size: 1rem; }
.site-header .home-tracking-link:hover { background: #E8C72E; border-color: #E8C72E; transform: translateY(-2px); }

.site-header .nav-quote-button:hover,
.site-header .nav-quote-button:focus-visible {
  box-shadow: none;
  transform: translateY(-2px);
}

.site-header .navbar.navbar-scrolled {
  background: var(--ntc-charcoal);
  border-bottom-color: rgba(255,255,255,.1);
  box-shadow: 0 .3rem 1.25rem rgba(0,0,0,.18);
  padding: 1.25rem 0;
}

.site-header .navbar-toggler {
  align-items: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--ntc-radius-control);
  display: none;
  height: 2.75rem;
  justify-content: center;
  padding: 0;
  width: 2.75rem;
  color: #fff;
}

.site-header .navbar-toggler:hover {
  background: rgba(255,255,255,.1);
  border-color: rgba(255,255,255,.4);
}

.site-header .navbar-toggler:focus {
  box-shadow: 0 0 0 .2rem rgba(255,255,255,.2);
}

/* A neutral keyboard focus remains visible on every navigation control. */
.site-header :is(.navbar-brand, .nav-link, .dropdown-item, .nav-quote-button, .navbar-toggler, .tracking-quick-link):focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

.site-header .menu-toggle-icon {
  display: grid;
  gap: 4px;
  width: 1.15rem;
}

.site-header .menu-toggle-icon span {
  background: currentColor;
  display: block;
  height: 2px;
  transform-origin: center;
  transition: opacity .2s ease,transform .25s ease;
  width: 100%;
  border-radius: var(--ntc-radius-detail);
}

.site-header .navbar-toggler[aria-expanded="true"] .menu-toggle-icon span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.site-header .navbar-toggler[aria-expanded="true"] .menu-toggle-icon span:nth-child(2) {
  opacity: 0;
}

.site-header .navbar-toggler[aria-expanded="true"] .menu-toggle-icon span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header .nav-quote-button i {
  font-size: .72rem;
}

.nav-scroll-sentinel {
  pointer-events: none;
  width: 1px;
  height: 1px;
  position: absolute;
  top: 80px;
  left: 0;
}

@media (max-width:1199.98px) {

  /* Ignore a dropdown's retained state while its mobile parent is closed. */
  .site-header--over-hero .navbar:not(.navbar-scrolled):not(:has(.navbar-collapse:is(.show,.collapsing))) {
    background: transparent;
    border-bottom-color: transparent;
    box-shadow: none;
  }

  .site-header .tracking-quick-link:not(.home-tracking-link) {
    position: fixed;
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
    z-index: 1050;
    display: inline-flex;
    align-items: center;
    gap: .55rem;
    padding: .78rem 1rem;
    color: var(--ntc-charcoal);
    background: #fff;
    border-radius: var(--ntc-radius-control);
    box-shadow: 0 .5rem 1.5rem rgba(0,0,0,.3);
    font-size: .82rem;
    font-weight: 700;
    text-decoration: none;
  }

  .site-header .home-tracking-link {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
  }

  .site-header .tracking-quick-link:not(.home-tracking-link):hover,
  .site-header .tracking-quick-link:not(.home-tracking-link):focus-visible { color: var(--ntc-charcoal); background: #DCE3E9; }
  .site-header .tracking-quick-link:focus-visible { outline: 2px solid var(--ntc-charcoal); }

  .site-header .home-tracking-link:focus-visible { outline: 2px solid var(--ntc-charcoal); outline-offset: 3px; }

  .site-header .navbar,
  .site-header .navbar.navbar-scrolled {
    background: var(--ntc-charcoal);
    padding: 1rem 0;
  }

  .site-header .site-logo,
  .site-header .navbar.navbar-scrolled .site-logo {
    height: 1.875rem;
  }

  .site-header .navbar-toggler {
    display: flex;
  }

  .site-header .navbar-collapse {
    background: var(--ntc-charcoal);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--ntc-radius-control);
    box-shadow: 0 .75rem 2rem rgba(0,0,0,.22);
    gap: 0;
    margin-top: .8rem;
    max-height: calc(100svh - 5.5rem);
    overflow-y: auto;
    padding: 1rem;
  }

  .site-header .navbar-nav {
    align-items: stretch;
    gap: .15rem;
  }

  .site-header .navbar-nav .nav-item {
    border-bottom: 0;
  }

  .site-header .navbar .nav-link,
  .site-header .navbar .nav-link.active {
    justify-content: space-between;
    min-height: 3rem;
    padding: .8rem;
  }

  .site-header .navbar .nav-link:hover,
  .site-header .navbar .nav-link:focus-visible {
    transform: none;
  }

  .site-header .services-menu {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.12);
    border-radius: var(--ntc-radius-control);
    box-shadow: none;
    margin: .2rem 0 .45rem;
    padding: .45rem;
    position: static !important;
    transform: none !important;
    width: 100%;
  }

  .site-header .services-menu-heading {
    padding: .4rem .55rem .65rem;
  }

  .site-header .services-menu .dropdown-item {
    min-height: 2.7rem;
    padding: .62rem .6rem;
  }

  .site-header .nav-quote-button {
    margin: .7rem 0 0;
    min-height: 3.1rem;
    width: 100%;
    justify-content: center;
  }

  .site-header .services-menu-grid {
    gap: 0 .25rem;
  }

  .site-header .services-menu .dropdown-item.active {
    background: rgba(255,255,255,.06);
    border-color: rgba(255,255,255,.12);
  }
}

@media (max-width:575.98px) {

  .site-header .nav-shell {
    column-gap: .75rem;
  }

  .site-header .navbar-brand {
    margin-right: 0;
  }

  .site-header .services-menu-grid {
    grid-template-columns: 1fr;
  }

  .site-header .services-menu {
    border-radius: var(--ntc-radius-control);
  }

  .site-header .services-menu .dropdown-item {
    padding: .7rem .8rem;
  }
}

@media (prefers-reduced-motion:reduce) {

  .site-header .navbar,
  .site-header .site-logo,
  .site-header .language-flag,
  .site-header .navbar .nav-link,
  .site-header .dropdown-toggle::after,
  .site-header .services-menu .dropdown-item,
  .site-header .nav-quote-button,
  .site-header .menu-toggle-icon span {
    transition: none;
  }
}

@media (min-width:1200px) {

  .site-header .navbar-collapse {
    order: 2;
  }

  .site-header .language-switch {
    order: 3;
    margin-left: 0;

  }


  .site-header .nav-shell {
    width: 100%;
    padding-left: 3rem;
    padding-right: 3rem;
  }
}