:root {
  --transition-panel: #080a09;
  --signal: #d4e8e8;
  --nav-sweep-fill: #2f3032;
  --nav-sweep-ease: cubic-bezier(.675, .15, .1, 1);
  --nav-sweep-duration-in: .425s;
  --nav-sweep-duration-out: .375s;
  --nav-text-scale-default-hovered: 1.2;
  --nav-text-scale-hover-resting: .85;
  --reveal: #f4f4ee;
  --reveal-ink: #0b0b0b;
}

.home-header {
  --header-bg: #040404;
  --header-fg: #d4e8e8;
  --header-dim: rgba(212, 232, 232, .5);
  --header-line: rgba(212, 232, 232, .3);
  position: fixed;
  z-index: 40;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  height: 38px;
  padding: env(safe-area-inset-top) var(--margin-x) 0;
  background: var(--header-bg);
  color: var(--header-fg);
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity .12s steps(2, end), visibility 0s linear .12s;
}

.home-header.is-visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}

.home-header__item {
  font-family: saans, "SF Mono", ui-monospace, Menlo, monospace;
  font-size: 11px;
  line-height: 1;
  letter-spacing: .08em;
  white-space: nowrap;
}

.home-header__nav {
  display: grid;
  flex: 1 1 auto;
  min-width: 0;
  height: 100%;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  align-items: stretch;
}

.home-header__item {
  position: relative;
  isolation: isolate;
  display: flex;
  width: 100%;
  min-width: 0;
  height: 100%;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border-right: 1px solid var(--header-line);
  color: var(--header-dim);
  opacity: 0;
  text-decoration: none;
  transition: color .18s linear;
}

.home-header__item:first-child {
  border-left: 1px solid var(--header-line);
}

/* SSTR source hover: separate background and mirrored-text layers, both
   revealed from the centre line. Geometry and Nick Fox colours stay local. */
.home-header__item::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: var(--nav-sweep-fill);
  clip-path: polygon(0% 50%, 100% 50%, 100% 50%, 0% 50%);
  content: "";
  pointer-events: none;
  transition: clip-path var(--nav-sweep-duration-out) var(--nav-sweep-ease);
}

.home-header__item::before {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  clip-path: polygon(0% 50%, 100% 50%, 100% 50%, 0% 50%);
  color: inherit;
  content: attr(data-text);
  font: inherit;
  letter-spacing: inherit;
  pointer-events: none;
  scale: var(--nav-text-scale-hover-resting);
  text-transform: inherit;
  transition:
    clip-path var(--nav-sweep-duration-out) var(--nav-sweep-ease),
    scale .35s var(--nav-sweep-ease);
}

.home-header__item > span {
  display: inline-block;
  transition: scale .35s var(--nav-sweep-ease);
}

@media (hover: hover) and (pointer: fine) and (prefers-reduced-motion: no-preference) {
  .home-header__item:hover::after,
  .home-header__item:hover::before,
  .home-header__item:focus-visible::after,
  .home-header__item:focus-visible::before {
    clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%);
    transition: clip-path var(--nav-sweep-duration-in) .05s var(--nav-sweep-ease);
  }

  .home-header__item:hover::before,
  .home-header__item:focus-visible::before {
    scale: 1;
    transition:
      clip-path var(--nav-sweep-duration-in) .05s var(--nav-sweep-ease),
      scale .35s .1s var(--nav-sweep-ease);
  }

  .home-header__item:hover > span,
  .home-header__item:focus-visible > span {
    scale: var(--nav-text-scale-default-hovered);
    transition: scale .35s .05s var(--nav-sweep-ease);
  }
}

.home-header.is-visible .home-header__item {
  animation: homeHeaderFlicker .58s steps(1, end) both;
  animation-delay: calc(.06s + var(--nav-index) * .075s);
}

.home-header-player {
  position: relative;
  display: grid;
  flex: 0 0 clamp(176px, 18vw, 236px);
  height: 100%;
  grid-template-columns: 26px minmax(0, 1fr) 26px;
  border-right: 1px solid var(--header-line);
  opacity: 0;
}

.home-header-player::after {
  position: absolute;
  right: 26px;
  bottom: 0;
  left: 26px;
  height: 1px;
  background: var(--header-fg);
  content: "";
  opacity: .48;
  transform: scaleX(var(--nf-audio-progress, 0));
  transform-origin: left center;
}

.home-header-player button {
  appearance: none;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
  border-left: 1px solid var(--header-line);
  border-radius: 0;
  color: var(--header-dim);
  background: transparent;
  font-family: saans, "SF Mono", ui-monospace, Menlo, monospace;
  cursor: pointer;
}

.home-header-player button:hover,
.home-header-player button:focus-visible {
  color: var(--header-fg);
  background: var(--nav-sweep-fill);
}

.home-header-player button:focus-visible {
  outline: 1px dashed var(--header-fg);
  outline-offset: -4px;
}

.home-header-player__transport {
  font-size: 17px;
  line-height: 1;
}

.home-header-player__main {
  display: grid;
  grid-template-columns: 22px minmax(0, 1fr) auto;
  gap: 7px;
  align-items: center;
  padding-inline: 6px !important;
  text-align: left;
}

.home-header-player__disc {
  position: relative;
  display: block;
  width: 19px;
  height: 19px;
  overflow: hidden;
  border: 1px solid var(--header-line);
  border-radius: 50%;
}

.home-header-player__disc::after {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--header-bg);
  content: "";
  transform: translate(-50%, -50%);
}

.home-header-player__disc img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.home-header-player.is-playing .home-header-player__disc {
  animation: nfHeaderDisc 3.8s linear infinite;
}

.home-header-player__copy {
  display: grid;
  min-width: 0;
  gap: 2px;
}

.home-header-player__copy strong,
.home-header-player__copy small,
.home-header-player__state {
  overflow: hidden;
  font-size: 8px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: .08em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.home-header-player__copy small { color: var(--header-dim); }
.home-header-player__state { color: var(--header-fg); }

.home-header.is-visible .home-header-player {
  animation: homeHeaderFlicker .58s steps(1, end) both;
  animation-delay: .285s;
}

@keyframes nfHeaderDisc { to { transform: rotate(1turn); } }

.home-header__nav a:hover,
.home-header__nav a:focus-visible,
.home-header__nav a[aria-current="page"] {
  color: var(--header-fg);
}

.home-header__item--pending { cursor: default; }

.home-header__nav a:focus-visible {
  outline: 1px dashed var(--header-fg);
  outline-offset: -5px;
}

.home-header__signal {
  position: absolute;
  right: var(--margin-x);
  bottom: 0;
  left: var(--margin-x);
  height: 1px;
  overflow: hidden;
  pointer-events: none;
}

.home-header__signal > span {
  display: block;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, var(--header-line) 0 72%, #ff638d 78%, #83dfff 89%, #52f1e1 100%);
  transform: translate3d(-110%, 0, 0);
  will-change: transform;
}

.home-header.is-visible .home-header__signal > span {
  transform: translate3d(0, 0, 0);
  transition: transform 1.4s cubic-bezier(.27, 1, .18, 1) .1s;
}

@keyframes homeHeaderFlicker {
  0%, 9% { opacity: 0; }
  10%, 17% { opacity: 1; }
  18%, 29% { opacity: 0; }
  30%, 38% { opacity: .42; }
  39%, 48% { opacity: 0; }
  49%, 64% { opacity: 1; }
  65%, 73% { opacity: .22; }
  74%, 100% { opacity: 1; }
}

html[data-transitioning="true"] .home-header {
  pointer-events: none !important;
}

.nf-lib-view,
.nf-resume-view {
  position: fixed;
  z-index: 20;
  top: 38px;
  right: 0;
  bottom: 0;
  left: 0;
  overflow: hidden;
  background: #fff;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
}

.nf-resume-view {
  background: #040404;
}

.nf-lib-view iframe {
  position: absolute;
  top: 50%;
  left: 50%;
  display: block;
  width: 1470px;
  height: 795px;
  border: 0;
  background: #fff;
  transform: translate3d(-50%, -50%, 0) scale(var(--nf-lib-frame-scale, 1));
  transform-origin: 50% 50%;
  will-change: transform;
}

.nf-resume-view iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #040404;
}

html[data-nf-view="lib"] .nf-lib-view {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

html[data-nf-view="resume"] .nf-resume-view {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

html[data-nf-view="lib"] .site,
html[data-nf-view="resume"] .site {
  visibility: hidden;
  pointer-events: none !important;
}

html[data-nf-view="lib"] .home-header,
html[data-nf-view="resume"] .home-header {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
  transition-delay: 0s;
}

.transition-grid,
.transition-text {
  position: fixed;
  z-index: 10000;
  inset: 0;
  pointer-events: none;
}

.transition-grid {
  display: grid;
  grid-template-rows: repeat(4, 1fr);
}

html[data-transitioning="true"] .transition-grid {
  pointer-events: auto;
  cursor: wait;
}

.transition-block {
  position: relative;
  overflow: hidden;
  margin-block: -1px;
  background: var(--reveal);
  transform: scaleX(0);
  transform-origin: left center;
  will-change: transform;
}

.transition-pearl {
  position: absolute;
  inset: 0;
  display: block;
  opacity: .78;
  background: linear-gradient(115deg,
    oklch(.985 .01 70), oklch(.935 .05 25), oklch(.98 .012 320),
    oklch(.935 .045 255), oklch(.975 .016 305), oklch(.985 .01 70));
  background-size: 260% 100%;
  filter: saturate(1);
  will-change: background-position;
}

.transition-pearl__grain {
  position: absolute;
  inset: 0;
  display: block;
  opacity: .3;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  background-size: 240px 240px;
  mix-blend-mode: soft-light;
}

@media (prefers-reduced-motion: no-preference) {
  .transition-pearl { animation: pearlShift 24s ease-in-out infinite; }
  .transition-pearl__grain { animation: pearlFacet 11s ease-in-out infinite alternate; }
}

.transition-text {
  display: grid;
  place-items: center;
  overflow: hidden;
}

.transition-text h2 {
  visibility: hidden;
  margin: 0;
  color: var(--reveal-ink);
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  font-size: clamp(44px, 9.7vw, 148.8px);
  font-weight: 900;
  line-height: .82;
  letter-spacing: -.075em;
  text-align: center;
  white-space: nowrap;
}

.transition-text .word-mask {
  display: inline-block;
  overflow: hidden;
  vertical-align: bottom;
}

.transition-text .word {
  display: inline-block;
  will-change: transform;
}

@media (max-width: 640px) {
  .home-header {
    height: 36px;
  }

  .nf-lib-view,
  .nf-resume-view { top: 36px; }

  .home-header__item {
    font-size: 10px;
  }

  .home-header-player {
    flex-basis: 116px;
    grid-template-columns: 22px minmax(0, 1fr) 22px;
  }

  .home-header-player__main {
    grid-template-columns: 19px auto;
    gap: 5px;
    justify-content: center;
  }

  .home-header-player__copy { display: none; }
  .home-header-player__state { font-size: 7px; }
  .home-header-player::after { right: 22px; left: 22px; }
}

@media (max-width: 430px) {
  .home-header-player {
    flex-basis: 54px;
    grid-template-columns: 1fr;
  }

  .home-header-player__transport,
  .home-header-player__state { display: none; }
  .home-header-player__main { grid-template-columns: 19px; }
  .home-header-player::after { right: 0; left: 0; }
}

@media (prefers-reduced-motion: reduce) {
  .home-header { transition: none; }
  .home-header.is-visible .home-header__item { animation: none; opacity: 1; }
  .home-header.is-visible .home-header__signal > span { transform: none; transition: none; }
  .transition-grid,
  .transition-text { display: none; }
}