:root {
  --adaptive-nav-red: #ff1648;
  --adaptive-nav-dark: 5, 5, 6;
  --adaptive-nav-light: 243, 241, 234;
}

.adaptive-nav {
  box-sizing: border-box;
  position: fixed;
  z-index: 90;
  inset: 0 0 auto;
  width: 100%;
  min-height: 78px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  padding: 14px clamp(22px, 4vw, 72px);
  border: 0;
  overflow: visible;
  background: transparent;
  color: #f8f7f3;
  font-family: Montserrat, Arial, sans-serif;
  font-size: 13px;
  line-height: 1.2;
  transition: color .65s cubic-bezier(.22, 1, .36, 1);
  isolation: isolate;
}

.adaptive-nav::before,
.adaptive-nav::after {
  content: "";
  position: absolute;
  z-index: -1;
  inset: 0;
  height: 140%;
  pointer-events: none;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, #000 54%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, #000 54%, transparent 100%);
  transition: opacity .72s cubic-bezier(.22, 1, .36, 1);
}

.adaptive-nav::before {
  background: linear-gradient(to bottom,
    rgba(var(--adaptive-nav-dark), .94) 0%,
    rgba(var(--adaptive-nav-dark), .77) 42%,
    rgba(var(--adaptive-nav-dark), .34) 72%,
    rgba(var(--adaptive-nav-dark), 0) 100%);
  opacity: 1;
}

.adaptive-nav::after {
  background: linear-gradient(to bottom,
    rgba(var(--adaptive-nav-light), .96) 0%,
    rgba(var(--adaptive-nav-light), .8) 42%,
    rgba(var(--adaptive-nav-light), .38) 72%,
    rgba(var(--adaptive-nav-light), 0) 100%);
  opacity: 0;
}

.adaptive-nav.is-light { color: #17191a; }
.adaptive-nav.is-light::before { opacity: 0; }
.adaptive-nav.is-light::after { opacity: 1; }

.adaptive-nav a {
  color: inherit;
  text-decoration: none;
}

.adaptive-nav__back {
  justify-self: start;
  width: max-content;
  font-size: 12px;
  letter-spacing: .02em;
  transition: color .2s ease;
}

.adaptive-nav__back:hover,
.adaptive-nav__back:focus-visible { color: var(--adaptive-nav-red); }

.adaptive-nav__brand {
  justify-self: center;
  white-space: nowrap;
  font-size: 23px;
  font-weight: 300;
  letter-spacing: -.06em;
}

.adaptive-nav__brand strong {
  color: var(--adaptive-nav-red);
  font: 700 1.5em/.7 Vollkorn, Georgia, serif;
}

.adaptive-nav .adaptive-nav__context {
  justify-self: end;
  color: #aaa;
  font-size: 11px;
  letter-spacing: .15em;
  text-transform: uppercase;
  transition: color .65s cubic-bezier(.22, 1, .36, 1);
}

.adaptive-nav.is-light .adaptive-nav__context { color: #5d6060; }

@media (max-width: 700px) {
  .adaptive-nav {
    min-height: 68px;
    grid-template-columns: 1fr auto;
    padding-inline: 18px;
  }

  .adaptive-nav__brand {
    justify-self: end;
    font-size: 19px;
  }

  .adaptive-nav .adaptive-nav__context { display: none; }
  .adaptive-nav--home { grid-template-columns: 1fr; }
  .adaptive-nav--home .adaptive-nav__brand { justify-self: center; }
  .adaptive-nav--home .adaptive-nav__back { display: none; }
}