.section-nav {
  position: fixed;
  top: 8.5rem;
  left: 2.2rem;
  z-index: 12;
  display: grid;
  width: 10.5rem;
  pointer-events: none;
}

.section-nav a {
  width: fit-content;
  padding: .18rem 0;
  color: #8d8d8d;
  font-size: .82rem;
  line-height: 1.35;
  opacity: 0;
  pointer-events: none;
  text-decoration: none;
  transform: translateX(-.7rem);
  transition:
    color 180ms var(--ease),
    opacity 320ms var(--motion-ease),
    transform 420ms var(--spring);
}

.section-nav.is-visible a {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(0);
  transition-delay: calc(var(--section-nav-index, 0) * 45ms);
}

.section-nav a.is-active,
.section-nav a:hover,
.section-nav a:focus-visible {
  color: var(--ink);
}

.section-nav a:focus-visible {
  outline: 1px solid currentColor;
  outline-offset: .2rem;
}

@media (max-width: 1179px) {
  .section-nav {
    top: 3.5rem;
    left: .75rem;
    right: .75rem;
    display: flex;
    width: auto;
    overflow-x: auto;
    padding: .125rem;
    border: 1px solid rgba(0,0,0,.1);
    border-radius: 999px;
    background: rgba(255,255,255,.82);
    backdrop-filter: blur(14px);
    box-shadow: 0 .55rem 1.5rem rgba(0,0,0,.06);
    opacity: 0;
    transform: translateY(-.6rem);
    transition: opacity 260ms var(--motion-ease), transform 340ms var(--spring);
    scrollbar-width: none;
  }

  .section-nav::-webkit-scrollbar {
    display: none;
  }

  .section-nav.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .section-nav a,
  .section-nav.is-visible a {
    display: grid;
    min-height: 2.75rem;
    flex: 0 0 auto;
    place-items: center;
    padding: 0 .85rem;
    border-radius: 999px;
    opacity: 1;
    transform: none;
    white-space: nowrap;
  }

  .section-nav a.is-active {
    background: rgba(0,0,0,.07);
  }
}

@media (max-width: 760px) {
  .section-nav {
    top: 2.875rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .section-nav,
  .section-nav a,
  .section-nav.is-visible a {
    transition: none;
  }
}