.nav {
  position: relative;
  z-index: 50;
  background: var(--c-white);
}

@media (min-width: 1025px) {
  [data-page="residents"] .nav,
  [data-page="benefits"] .nav,
  [data-page="leadership"] .nav {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
  }
}

.nav__inner {
  display: flex;
  align-items: flex-start;
  height: calc(142 * var(--u));
  padding: calc(34.1 * var(--u)) calc(61.9 * var(--u)) 0
    calc(var(--gutter) - 6.1 * var(--u));
}

.logo {
  display: block;
  flex-shrink: 0;
}

.logo__img {
  width: calc(264 * var(--u));
  height: auto;
}

.nav__menu {
  display: flex;
  align-items: flex-start;
  margin-top: calc(26 * var(--u));
  margin-left: auto;
}

.nav__list {
  display: flex;
  margin-top: calc(13.2 * var(--u));
}

.nav__list li:nth-child(2) {
  margin-left: calc(27.7 * var(--u));
}
.nav__list li:nth-child(3) {
  margin-left: calc(33.3 * var(--u));
}
.nav__list li:nth-child(4) {
  margin-left: calc(40.4 * var(--u));
}
.nav__list li:nth-child(5) {
  margin-left: calc(30 * var(--u));
}

.nav__link {
  position: relative;
  display: block;
  font-size: calc(17.4 * var(--u));
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.nav__link::after {
  content: "";
  position: absolute;
  top: calc(28.8 * var(--u));
  left: calc(2 * var(--u));
  right: 0;
  height: 2px;
  background: var(--c-teal);
  transform: scaleX(0);
  transition: transform var(--transition);
}

.nav__link:hover::after,
[data-page="home"] .nav__link--home::after,
[data-page="clusters"] .nav__link--clusters::after,
[data-page="residents"] .nav__link--residents::after,
[data-page="benefits"] .nav__link--benefits::after,
[data-page="leadership"] .nav__link--leadership::after {
  transform: scaleX(1);
}

[data-page="home"] .nav__link--home,
[data-page="clusters"] .nav__link--clusters,
[data-page="residents"] .nav__link--residents,
[data-page="benefits"] .nav__link--benefits,
[data-page="leadership"] .nav__link--leadership {
  color: var(--c-teal);
}

.lang {
  position: relative;
  margin-top: calc(17.3 * var(--u));
  margin-left: calc(44 * var(--u));
  font-size: calc(15.3 * var(--u));
  font-weight: 600;
  line-height: 1;
}

.lang__toggle {
  display: flex;
  align-items: center;
  gap: calc(14 * var(--u));
  cursor: pointer;
  outline: none;
  transition: color var(--transition);
}

.lang__toggle::after {
  content: "";
  width: calc(7 * var(--u));
  height: calc(7 * var(--u));
  margin-top: calc(-4 * var(--u));
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition:
    transform 0.3s var(--ease-out),
    margin-top 0.3s var(--ease-out);
}

.lang:hover .lang__toggle,
.lang:focus-within .lang__toggle {
  color: var(--c-teal);
}

.lang:hover .lang__toggle::after,
.lang:focus-within .lang__toggle::after {
  margin-top: calc(3 * var(--u));
  transform: rotate(-135deg);
}

.lang__toggle:focus-visible {
  border-radius: 2px;
  outline: 2px solid var(--c-teal);
  outline-offset: 4px;
}

.lang__menu {
  position: absolute;
  top: calc(100% + 18px);
  right: -14px;
  z-index: 60;
  width: 196px;
  margin: 0;
  padding: 6px;
  background: var(--c-white);
  border: 1px solid var(--c-border);
  border-radius: 12px;
  box-shadow: 0 18px 40px rgba(37, 60, 69, 0.14);
  font-size: 15px;
  opacity: 0;
  visibility: hidden;
  translate: 0 -6px;
  transition:
    opacity 0.25s ease,
    translate 0.3s var(--ease-out),
    visibility 0s linear 0.3s;
}

.lang__menu::before {
  content: "";
  position: absolute;
  inset: -20px 0 100% 0;
}

.lang__menu::after {
  content: "";
  position: absolute;
  top: -6px;
  right: 22px;
  width: 10px;
  height: 10px;
  background: var(--c-white);
  border-top: 1px solid var(--c-border);
  border-left: 1px solid var(--c-border);
  rotate: 45deg;
}

.lang:hover .lang__menu,
.lang:focus-within .lang__menu {
  opacity: 1;
  visibility: visible;
  translate: 0 0;
  transition:
    opacity 0.25s ease,
    translate 0.3s var(--ease-out),
    visibility 0s;
}

.lang__option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--c-text);
  transition:
    background var(--transition),
    color var(--transition);
}

.lang__code {
  display: grid;
  place-items: center;
  width: 30px;
  height: 22px;
  border-radius: 6px;
  background: #f1f4f5;
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  transition:
    background var(--transition),
    color var(--transition);
}

.lang__option:hover,
.lang__option:focus-visible {
  background: var(--c-teal-soft);
  color: var(--c-teal-dark);
  outline: none;
}

.lang__option:hover .lang__code,
.lang__option:focus-visible .lang__code {
  background: var(--c-white);
  color: var(--c-teal-dark);
}

.lang__option[aria-current="true"] {
  color: var(--c-teal-dark);
}

.lang__option[aria-current="true"] .lang__code {
  background: var(--c-teal);
  color: var(--c-white);
}

.lang__option[aria-current="true"]::after {
  content: "";
  width: 5px;
  height: 10px;
  margin: -3px 4px 0 auto;
  border-right: 2px solid var(--c-teal);
  border-bottom: 2px solid var(--c-teal);
  rotate: 45deg;
}

.nav__cta {
  width: calc(182 * var(--u));
  min-height: calc(49 * var(--u));
  margin-left: calc(37.4 * var(--u));
  padding: 0;
  font-size: calc(15.3 * var(--u));
  color: var(--c-teal);
}

.nav__toggle {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.nav__burger {
  display: none;
  width: 44px;
  height: 44px;
  margin-left: auto;
  padding: 10px;
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  cursor: pointer;
}

.nav__burger span,
.nav__burger span::before,
.nav__burger span::after {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--c-text);
  border-radius: 2px;
  transition:
    transform var(--transition),
    background var(--transition);
}

.nav__burger span {
  position: relative;
  top: 10px;
}

.nav__burger span::before,
.nav__burger span::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav__burger span::before {
  top: -7px;
}
.nav__burger span::after {
  top: 7px;
}

.nav__toggle:focus-visible + .nav__burger {
  outline: 2px solid var(--c-blue);
  outline-offset: 2px;
}

.nav__toggle:checked + .nav__burger span {
  background: transparent;
}

.nav__toggle:checked + .nav__burger span::before {
  transform: translateY(7px) rotate(45deg);
}

.nav__toggle:checked + .nav__burger span::after {
  transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 1024px) {
  .nav__inner {
    align-items: center;
    height: var(--nav-h);
    padding: 0 var(--gutter);
  }

  .logo__img {
    width: 160px;
  }

  .nav__burger {
    display: block;
  }

  .nav__menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: var(--sp-4);
    margin: 0;
    padding: var(--sp-4) var(--gutter) var(--sp-6);
    background: var(--c-white);
    border-top: 1px solid var(--c-border);
    box-shadow: var(--shadow-card);
  }

  .nav__toggle:checked ~ .nav__menu {
    display: flex;
  }

  .nav__list {
    flex-direction: column;
    margin: 0;
  }

  .nav__list li:nth-child(n) {
    margin: 0;
  }

  .nav__link {
    padding-block: var(--sp-3);
    font-size: 17px;
    border-bottom: 1px solid var(--c-border);
  }

  .nav__link::after {
    display: none;
  }

  .lang {
    margin: 0;
    font-size: 15px;
  }

  .lang__toggle {
    display: none;
  }

  .lang__menu,
  .lang:hover .lang__menu,
  .lang:focus-within .lang__menu {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    width: auto;
    padding: 4px;
    background: #f1f4f5;
    border: 0;
    border-radius: 12px;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    translate: none;
  }

  .lang__menu::before,
  .lang__menu::after,
  .lang__option[aria-current="true"]::after,
  .lang__code {
    display: none;
  }

  .lang__option {
    justify-content: center;
    padding: 10px 6px;
    font-size: 14px;
    color: var(--c-muted);
  }

  .lang__option[aria-current="true"] {
    background: var(--c-white);
    color: var(--c-teal-dark);
    box-shadow: 0 2px 8px rgba(37, 60, 69, 0.1);
  }

  .nav__cta {
    width: 100%;
    min-height: 48px;
    margin: 0;
    font-size: 15px;
  }
}