:root {
  --plum-1: #3b2231;
  --plum-2: #3e2232;
  --plum-3: #402434;
  --plum-4: #422737;
  --plum-5: #462a3a;
  --sans: Inter, "Helvetica Neue", Avenir, Arial, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html, body {
  width: 100%;
  min-height: 100%;
  background-color: var(--plum-1);
}

body {
  margin: 0;
  padding: 0;
  background: var(--plum-1);
  color: white;
  font-family: var(--sans);
  overflow: hidden;
}

.wave-frame {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  min-height: 100dvh;
  overflow: hidden;
  border-radius: 0;
  background: var(--plum-1);
  isolation: isolate;
}

.ocean {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
}

.plum-lines {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: none;
  width: 100%;
  height: 100%;
  background: var(--plum-1);
  pointer-events: none;
}

.pear-tunnel {
  position: absolute;
  inset: 0;
  z-index: -1;
  display: none;
  overflow: hidden;
  background: var(--plum-1);
}

.wave-frame[data-background-mode="tunnel"] .ocean { display: none; }
.wave-frame[data-background-mode="lines"] .ocean {
  inset: auto;
  top: 50%;
  left: 50%;
  width: 100vh;
  width: 100dvh;
  height: 100vw;
  height: 100dvw;
  transform: translate(-50%, -50%) rotate(90deg);
  transform-origin: center;
}
.wave-frame[data-background-mode="tunnel"] .pear-tunnel { display: block; }
.wave-frame[data-background-mode="tunnel"] .planet-overlay { display: block; }
.wave-frame[data-background-mode="waves"] { --logo-anchor-x: clamp(-3.5rem, -4vw, -1.5rem); }
.wave-frame:not([data-background-mode]) .ocean { visibility: hidden; }

.tunnel-shape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  pointer-events: none;
}

.planet-overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: none;
  overflow: hidden;
  pointer-events: none;
}

.planet-marker-shape {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.tunnel-marker circle {
  fill: white;
  opacity: .9;
}

.tunnel-marker text {
  fill: white;
  fill-opacity: 1;
  font-family: "Helvetica Neue", Inter, Avenir, Arial, sans-serif;
  font-size: 8px;
  font-weight: 200;
  letter-spacing: .12em;
  text-transform: lowercase;
}

.stitch {
  fill: none;
  stroke: #f2eeee;
  stroke-width: .75;
  vector-effect: non-scaling-stroke;
  opacity: .25;
}

.notation {
  position: absolute;
  z-index: 2;
  top: calc(max(1rem, env(safe-area-inset-top)) + .48rem);
  left: max(1.25rem, env(safe-area-inset-left));
  display: flex;
  flex-direction: column;
  align-items: center;
  font-size: .72rem;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.corner-name {
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  opacity: .78;
  writing-mode: vertical-rl;
  text-orientation: mixed;
  transform: rotate(180deg);
  line-height: 1;
  letter-spacing: .12em;
}

.social-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  margin-top: .65rem;
}

.social-link {
  --icon-size: 1.4rem;
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.1rem;
  color: white;
  transition: opacity .2s ease, transform .2s ease;
}

.social-link svg { display: block; width: var(--icon-size); height: var(--icon-size); }
.social-link:hover { opacity: .76; transform: translateX(.12rem); }
.social-link:focus-visible { outline: 2px solid white; outline-offset: 3px; border-radius: .45rem; }

.info-nav {
  position: absolute;
  z-index: 5;
  top: max(1rem, env(safe-area-inset-top));
  right: max(1rem, env(safe-area-inset-right));
  display: flex;
  align-items: center;
  gap: 0;
  padding: .16rem;
  border-radius: .62rem;
  background: #180d16;
  box-shadow: 0 .4rem 1.4rem rgba(13, 5, 11, .16);
}

.info-trigger {
  border: 0;
  border-radius: .48rem;
  padding: .32rem;
  color: rgba(255, 255, 255, .78);
  background: transparent;
  font: inherit;
  font-family: "Helvetica Neue", Inter, Avenir, Arial, sans-serif;
  font-size: .72rem;
  font-weight: 200;
  line-height: 1;
  letter-spacing: .08em;
  text-transform: lowercase;
  cursor: pointer;
  transition: color .2s ease, background-color .2s ease;
}

.info-trigger:hover { color: white; }
.info-trigger.is-active { color: rgba(255, 255, 255, .78); background: rgba(255, 255, 255, .11); }
.info-trigger:focus-visible { outline: 2px solid white; outline-offset: 2px; }

.info-panel {
  position: absolute;
  z-index: 4;
  top: 3.5rem;
  right: max(1rem, env(safe-area-inset-right));
  width: min(calc(100% - 2rem), 17.25rem);
  pointer-events: none;
}

.panel-stack { position: relative; width: 100%; }

.info-card {
  position: absolute;
  top: 0;
  right: 0;
  width: 100%;
  max-height: calc(100dvh - 4.7rem);
  overflow: auto;
  padding: .85rem;
  border-radius: .85rem;
  background: #180d16;
  box-shadow: 0 1rem 2.8rem rgba(13, 5, 11, .28);
  opacity: 0;
  pointer-events: none;
  transform: translateX(calc(100% + 2rem));
  transition: transform .42s cubic-bezier(.22, .8, .32, 1), opacity .28s ease;
}

.info-card.is-open { opacity: 1; pointer-events: auto; transform: translateX(0); }

.info-card.is-behind {
  opacity: .5;
  pointer-events: none;
  transform: translateY(.65rem) scale(.985);
  box-shadow: 0 .55rem 1.5rem rgba(13, 5, 11, .2);
}

.info-card.is-exiting {
  pointer-events: none;
  animation: card-exit-down .62s cubic-bezier(.48, .04, .82, .46) forwards;
}

.info-card.is-dismissing {
  pointer-events: none;
  animation: card-dismiss-down .54s cubic-bezier(.48, .04, .82, .46) forwards;
}

@keyframes card-exit-down {
  0% { opacity: 1; transform: translateY(0); }
  66% { opacity: 0; }
  100% { opacity: 0; transform: translateY(calc(100dvh + 2rem)); }
}

@keyframes card-dismiss-down {
  0% { opacity: 1; transform: translateY(0); }
  66% { opacity: 0; }
  100% { opacity: 0; transform: translateY(calc(100dvh + 2rem)); }
}

.panel-view { padding-top: .2rem; animation: panel-content .28s ease; }

@keyframes panel-content {
  from { opacity: 0; transform: translateY(.35rem); }
  to { opacity: 1; transform: none; }
}

.panel-label {
  display: block;
  color: #cc668d;
  font-size: .68rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.panel-view h2 {
  margin: 1rem 0 .3rem;
  font-size: .68rem;
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.02em;
}

.panel-view p {
  margin: 0;
  color: rgba(242, 238, 238, .78);
  font-size: .64rem;
  line-height: 1.55;
}

.panel-subsection + .panel-subsection {
  margin-top: .75rem;
}

.panel-label + .panel-subsection { padding-top: .35rem; }
.panel-subsection:first-of-type h2 { margin-top: 1rem; }
.panel-subsection:not(:first-of-type) h2 { margin-top: 0; }

.panel-image {
  display: block;
  height: auto;
  margin-block: .85rem;
}

.panel-subsection:last-child > .panel-image:last-child { margin-bottom: 0; }

.panel-image--portrait {
  width: 100%;
  object-fit: contain;
}

.panel-image--landscape {
  width: 100%;
  max-width: 100%;
  object-fit: contain;
}

.panel-image--logo {
  width: auto;
  max-width: min(9rem, 70%);
  max-height: 4rem;
  object-fit: contain;
  object-position: left center;
}

.panel-link {
  display: block;
  width: fit-content;
  max-width: 100%;
  margin: .8rem auto 0;
  padding: .45rem .72rem;
  border-radius: .55rem;
  color: white;
  background: var(--plum-3);
  font-size: .66rem;
  letter-spacing: .035em;
  text-align: center;
  text-decoration: none;
  box-shadow: 0 .3rem .8rem rgba(13, 5, 11, .16);
  transition: background-color .2s ease, transform .2s ease;
}

.panel-link:hover { color: white; background: var(--plum-5); transform: translateY(-1px); }
.panel-link:focus-visible { outline: 2px solid white; outline-offset: 2px; }

.panel-status {
  margin: .2rem 0;
  color: rgba(242, 238, 238, .66);
  font-size: .68rem;
  line-height: 1.5;
}

.title-wrap {
  position: absolute;
  z-index: 2;
  top: 50%;
  left: 50%;
  display: grid;
  place-items: center;
  width: auto;
  transform: translate(
    calc(-50% + var(--logo-anchor-x, 0px) + var(--logo-drift-x, 0px)),
    calc(-50% + var(--logo-drift-y, 0px))
  );
}

.title-logo {
  grid-area: 1 / 1;
  width: clamp(11rem, 56vw, 15rem);
  height: auto;
  transform: rotate(calc(var(--pear-angle, -22deg) + var(--logo-drift-angle, 0deg)));
  filter: brightness(0) invert(1) drop-shadow(0 .25rem 1rem rgba(20, 6, 16, .28));
}

.wave-frame[data-logo-colour="pink"] .title-logo {
  filter: drop-shadow(0 .25rem 1rem rgba(20, 6, 16, .28));
}

.wave-frame[data-logo-colour="green"] .title-logo {
  filter: drop-shadow(0 .25rem 1rem rgba(20, 6, 16, .28));
}

.title-logo--main { position: relative; z-index: 2; }

.descriptor {
  position: absolute;
  z-index: 2;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(2.35rem, calc(env(safe-area-inset-bottom) + .85rem));
  left: max(1.25rem, env(safe-area-inset-left));
  margin: 0;
  font-size: .85rem;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: .035em;
  text-align: center;
  text-wrap: balance;
}

.copyright {
  position: fixed;
  z-index: 2;
  right: max(1rem, env(safe-area-inset-right));
  bottom: calc(.7rem + env(safe-area-inset-bottom));
  color: white;
  font-family: "Helvetica Neue", Inter, Avenir, Arial, sans-serif;
  font-size: .65rem;
  font-weight: 200;
  line-height: 1;
  letter-spacing: .06em;
  text-align: right;
  white-space: nowrap;
}

@media (min-width: 651px) {
  .notation {
    top: clamp(1.5rem, 3vw, 2.7rem);
    left: clamp(1.5rem, 3.2vw, 3.5rem);
  }

  .social-link { --icon-size: 1.55rem; width: 2.6rem; height: 2.25rem; }

  .info-nav {
    top: clamp(1.25rem, 2.2vw, 2rem);
    right: clamp(1.25rem, 2.2vw, 2rem);
    padding: .34rem;
  }

  .info-trigger { padding: .52rem .65rem; font-size: .8rem; }

  .info-panel {
    top: clamp(4.7rem, 7vw, 5.8rem);
    right: clamp(1.25rem, 2.2vw, 2rem);
    width: min(31.35vw, 25.1rem);
  }

  .info-card {
    max-height: calc(100dvh - 7rem);
    padding: 1.15rem;
  }

  .panel-label { font-size: .75rem; }
  .panel-view h2 { margin: 1.3rem 0 .35rem; font-size: .75rem; }
  .panel-view p { font-size: .71rem; }
  .panel-subsection + .panel-subsection { margin-top: .9rem; }
  .panel-subsection:first-of-type h2 { margin-top: 1.3rem; }
  .panel-link { font-size: .72rem; }
  .panel-status { font-size: .75rem; }

  .title-wrap {
    width: auto;
    max-width: calc(100% - 4rem);
  }

  .title-logo { width: clamp(20rem, 31vw, 30rem); }

  .descriptor {
    right: auto;
    bottom: clamp(2.8rem, 7vw, 5.8rem);
    left: 50%;
    width: min(46rem, calc(100% - 3rem));
    transform: translateX(-50%);
    font-size: clamp(.85rem, 1vw, .95rem);
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .social-link,
  .info-trigger,
  .panel-link,
  .info-card { transition: none; animation: none; }

  .panel-view { animation: none; }

  .tunnel-shape { display: none; }
}