.site-nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: var(--z-header);
  background-color: var(--color-nav-bg);
  -webkit-backdrop-filter: blur(25px);
  backdrop-filter: blur(25px);
  border-bottom: 1px solid var(--color-nav-border);
  color: var(--color-nav-text);

  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  transition: transform var(--transition-base),
    opacity var(--transition-base),
    visibility 0s linear var(--transition-base);
}

.site-nav.is-visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  transition: transform var(--transition-base),
    opacity var(--transition-base),
    visibility 0s;
}

.site-nav__inner {
  display: flex;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3rem);
  min-height: var(--nav-h);
  padding-inline: var(--container-inset);
}

.site-nav__logo {
  display: inline-flex;
  flex-shrink: 0;
}

.site-nav__logo img {
  display: block;
  width: 190px;
  height: auto;
}

.site-nav__links {
  display: flex;
  flex: 1;
  justify-content: center;
  flex-wrap: wrap;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-nav__links a {
  position: relative;
  font-size: var(--text-base);
  line-height: 1;
  font-weight: var(--fw-regular);
  color: var(--color-nav-text);
  transition: color var(--transition-fast);
}

.site-nav__links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1.5px;
  background-color: currentColor;
  transition: width var(--transition-base);
}

.site-nav__links a:hover {
  color: var(--color-brand);
}

.site-nav__links a.is-current {
  color: var(--color-ink);
}

.site-nav__links a:hover::after,
.site-nav__links a.is-current::after {
  width: 100%;
}

.site-nav__cta {
  color: var(--color-on-dark);
  background-color: var(--color-ink);
}

.site-nav__cta:hover {
  background-color: var(--color-brand);
  color: var(--color-on-brand);
}

.site-nav__menu-cta-item {
  display: none;
}

.site-nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
}

.site-nav__toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  margin-inline: auto;
  background-color: var(--color-nav-text);
  transition: transform var(--transition-fast),
    opacity var(--transition-fast);
}

.site-nav.is-open .site-nav__toggle-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.site-nav.is-open .site-nav__toggle-bar:nth-child(2) {
  opacity: 0;
}
.site-nav.is-open .site-nav__toggle-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

@supports not (
  (backdrop-filter: blur(2px)) or (-webkit-backdrop-filter: blur(2px))
) {
  .site-nav {
    background-color: var(--color-nav-bg-solid);
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-nav {
    transform: none;
    transition: opacity var(--transition-base),
      visibility 0s linear var(--transition-base);
  }
  .site-nav.is-visible {
    transition: opacity var(--transition-base), visibility 0s;
  }
}

section[id] {
  scroll-margin-top: var(--nav-h);
}

@media (max-width: 900px) {
  .site-nav__inner {
    position: relative;
    flex-wrap: nowrap;
    justify-content: space-between;
    gap: var(--space-sm);
    padding-inline: var(--space-md);
  }

  .site-nav__logo {
    order: 1;
    min-width: 0;
  }

  .site-nav__toggle {
    display: flex;
    order: 2;
  }

  .site-nav .site-nav__cta {
    display: none;
  }

  .site-nav__logo img {
    width: 150px;
    max-width: 100%;
  }

  .site-nav__links {
    position: absolute;
    top: 100%;
    inset-inline: 0;
    flex: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding-block: var(--space-xs) var(--space-sm);
    background-color: var(--color-nav-menu-bg);
    -webkit-backdrop-filter: blur(25px);
    backdrop-filter: blur(25px);
    border-bottom: 1px solid var(--color-nav-border);

    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity var(--transition-fast),
      transform var(--transition-fast),
      visibility 0s linear var(--transition-fast);
  }

  .site-nav.is-open .site-nav__links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity var(--transition-fast),
      transform var(--transition-fast), visibility 0s;
  }

  .site-nav__links a {
    display: block;
    padding: var(--space-sm) var(--gutter);
    font-size: var(--text-lg);
  }

  .site-nav__links a::after {
    display: none;
  }

  .site-nav__menu-cta-item {
    display: block;
    padding: var(--space-md) var(--gutter) var(--space-xs);
  }
  .site-nav__links .site-nav__menu-cta {
    display: flex;
    width: 100%;
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
    color: var(--color-on-dark);
    background-color: var(--color-ink);
  }
  .site-nav__links .site-nav__menu-cta:hover {
    background-color: var(--color-brand);
    color: var(--color-on-brand);
  }
}

@media (max-width: 600px) {
  .site-nav__inner {
    min-height: var(--nav-h-mobile);
  }
  .site-nav__logo img {
    width: 132px;
  }

  section[id] {
    scroll-margin-top: var(--nav-h-mobile);
  }
}