#site-nav {
  position: relative;
  z-index: 40;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-block: 0.45rem;
  color: var(--primary-blue);
}

#site-nav::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 100vw;
  height: 100%;
  transform: translateX(-50%);
  background: #fff;
  border-bottom: 1px solid rgba(15, 23, 42, 0.14);
  box-shadow: 0 8px 24px rgba(2, 12, 27, 0.08);
  pointer-events: none;
  z-index: -1;
}

#site-nav .site-nav__brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

#site-nav .site-nav__logo {
  width: 200px;
  height: auto;
  display: block;
}

#site-nav .site-nav__menu {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: clamp(0.85rem, 2vw, 2rem);
}

#site-nav .site-nav__item {
  position: relative;
}

#site-nav .site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.97rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: none;
}

#site-nav .site-nav__icon {
  width: 0.95rem;
  height: 0.95rem;
}

#site-nav .site-nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -0.42rem;
  height: 3px;
  border-radius: 999px;
  background: var(--primary-orange);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

#site-nav .site-nav__link:hover::after,
#site-nav .site-nav__link:focus-visible::after {
  transform: scaleX(1);
}

#site-nav .site-nav__toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid rgba(15, 23, 42, 0.18);
  background: rgba(255, 255, 255, 0.66);
  cursor: pointer;
  padding: 0;
}

#site-nav .site-nav__toggle-bar {
  display: block;
  width: 22px;
  height: 2px;
  margin: 0 auto 5px;
  background: var(--primary-blue);
  transition: transform 200ms ease, opacity 200ms ease;
}

#site-nav .site-nav__toggle-bar:last-child {
  margin-bottom: 0;
}

#site-nav .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

#site-nav .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}

#site-nav .site-nav__toggle[aria-expanded="true"] .site-nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

#site-nav .site-nav__dropdown {
  display: none;
  list-style: none;
  margin: 0;
  padding: 0.45rem 0;
  position: absolute;
  top: calc(100% + 0.4rem);
  left: 0;
  min-width: 15rem;
  background: #fff;
  border: 1px solid var(--primary-blue-light);
  border-radius: 12px;
  box-shadow: 0 12px 22px rgba(2, 12, 27, 0.14);
  z-index: 60;
}

#site-nav .site-nav__item--dropdown:hover .site-nav__dropdown,
#site-nav .site-nav__item--dropdown:focus-within .site-nav__dropdown {
  display: block;
}

#site-nav .site-nav__dropdown-link,
#site-nav .site-nav__signout {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.65rem 1rem;
  color: var(--primary-blue);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  background: transparent;
  border: 0;
  cursor: pointer;
  text-align: left;
}

#site-nav .site-nav__dropdown-link:hover,
#site-nav .site-nav__signout:hover {
  background: var(--primary-blue-lighter);
}

#site-nav .site-nav__dropdown-separator {
  height: 1px;
  margin: 0.35rem 0;
  background: rgba(15, 23, 42, 0.14);
}

body.landing-page #site-nav {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
}

body.landing-page #site-nav::before {
  background: rgba(255, 255, 255, 0.5);
  border-bottom: 1px solid rgba(15, 23, 42, 0.12);
  box-shadow: 0 8px 24px rgba(2, 12, 27, 0.08);
  backdrop-filter: blur(10px) saturate(130%);
  -webkit-backdrop-filter: blur(10px) saturate(130%);
}

@media (max-width: 980px) {
  #site-nav .site-nav__toggle {
    display: block;
  }

  body.journey-planner-page #site-nav .site-nav__toggle {
    display: none;
  }

  #site-nav .site-nav__menu {
    display: none;
    position: absolute;
    right: 1.25rem;
    top: calc(100% + 0.45rem);
    width: min(320px, calc(100vw - 2.5rem));
    flex-direction: column;
    align-items: stretch;
    gap: 0.2rem;
    padding: 0.65rem;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(15, 23, 42, 0.14);
    box-shadow: 0 16px 30px rgba(2, 12, 27, 0.18);
  }

  #site-nav .site-nav__menu.is-open {
    display: flex;
  }

  #site-nav .site-nav__link {
    padding: 0.55rem 0.35rem;
  }

  #site-nav .site-nav__link::after {
    bottom: 0.2rem;
  }

  #site-nav .site-nav__dropdown {
    display: block;
    position: static;
    min-width: 0;
    margin-top: 0.1rem;
    border: 0;
    box-shadow: none;
    border-radius: 8px;
    padding: 0.2rem 0;
    background: rgba(15, 23, 42, 0.03);
  }

  #site-nav .site-nav__link--account {
    pointer-events: none;
  }

  #site-nav .site-nav__item--dropdown:hover .site-nav__dropdown {
    display: block;
  }
}

@media (prefers-reduced-motion: reduce) {
  #site-nav .site-nav__link::after,
  #site-nav .site-nav__toggle-bar {
    transition: none !important;
  }
}