:root {
  --night: #0a1114;
  --ink: #10181c;
  --panel: #25353a;
  --bone: #f1e9d0;
  --muted: #89979a;
  --amber: #ffb341;
  --red: #f04b3e;
  --green: #65d18a;
  --sky: #84989d;
  --viewport-height: 100dvh;
  color-scheme: dark;
  font-family: "DIN Condensed", "Arial Narrow", "Apple SD Gothic Neo", sans-serif;
  background: var(--night);
}

* { box-sizing: border-box; }

html,
body {
  width: 100%;
  min-width: 100%;
  height: 100%;
  min-height: 100%;
  margin: 0;
  overflow: hidden;
  overscroll-behavior: none;
  background:
    radial-gradient(ellipse at 50% 45%, rgb(132 152 157 / 18%), transparent 48%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgb(241 233 208 / 2%) 80px),
    var(--night);
}

body {
  position: fixed;
  inset: 0;
  min-height: var(--viewport-height);
  touch-action: none;
}

button,
canvas { -webkit-tap-highlight-color: transparent; }

#unity-container {
  position: relative;
  width: min(100vw, calc(var(--viewport-height) * 844 / 390));
  height: min(var(--viewport-height), calc(100vw * 390 / 844));
  margin: max(0px, calc((var(--viewport-height) - min(var(--viewport-height), 100vw * 390 / 844)) / 2)) auto 0;
  overflow: hidden;
  background: var(--ink);
  box-shadow: 0 0 0 1px rgb(241 233 208 / 10%), 0 34px 110px rgb(0 0 0 / 76%);
  isolation: isolate;
}

#unity-container::after {
  position: absolute;
  z-index: 9;
  inset: 0;
  content: "";
  border: 1px solid rgb(241 233 208 / 10%);
  pointer-events: none;
}

#unity-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  outline: none;
  background: var(--ink);
}

#loader,
#error-panel {
  position: absolute;
  z-index: 6;
  inset: 0;
  overflow: hidden;
  color: var(--bone);
  background:
    linear-gradient(180deg, rgb(132 152 157 / 94%) 0 44%, rgb(210 154 121 / 92%) 68%, #202b2d 69% 100%);
}

#loader {
  --progress: 0%;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: clamp(18px, 4vw, 34px) clamp(24px, 5vw, 58px);
  transition: opacity 260ms ease, filter 420ms ease, transform 520ms cubic-bezier(.7, 0, .24, 1);
}

#loader::before {
  position: absolute;
  inset: 0;
  content: "";
  opacity: .23;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.76' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
  pointer-events: none;
}

#loader[hidden],
#error-panel[hidden],
#fullscreen-button[hidden] { display: none; }

#loader.is-complete {
  opacity: 0;
  filter: brightness(1.55) blur(2px);
  transform: scale(1.035);
}

#loader > * { position: relative; z-index: 2; }

#loader header {
  display: flex;
  justify-content: space-between;
  padding-bottom: 9px;
  border-bottom: 1px solid rgb(16 24 28 / 38%);
  color: var(--ink);
  font-size: clamp(8px, 1.3vw, 11px);
  font-weight: 900;
  letter-spacing: .14em;
}

.loader__title {
  align-self: center;
  margin-top: -3vh;
}

.loader__title p {
  width: max-content;
  margin: 0 0 4px;
  padding: 4px 7px 3px;
  color: var(--ink);
  background: var(--amber);
  font-size: clamp(8px, 1.5vw, 12px);
  font-weight: 900;
  letter-spacing: .16em;
}

.loader__title h1 {
  margin: 0;
  color: var(--bone);
  font-size: clamp(52px, 11vw, 118px);
  font-stretch: condensed;
  font-weight: 950;
  letter-spacing: -.06em;
  line-height: .78;
  text-shadow: 5px 7px 0 rgb(16 24 28 / 72%);
}

.loader__title strong {
  display: block;
  margin-top: clamp(12px, 2.6vh, 22px);
  color: var(--ink);
  font-size: clamp(12px, 2.1vw, 17px);
  letter-spacing: .03em;
}

.loader__glass {
  position: absolute !important;
  z-index: 1 !important;
  inset: 0;
  pointer-events: none;
}

.loader__glass::before,
.loader__glass::after {
  position: absolute;
  top: -10%;
  bottom: 18%;
  width: 18px;
  content: "";
  background: var(--ink);
  box-shadow: 0 0 0 1px rgb(241 233 208 / 7%);
}

.loader__glass::before { left: 13%; transform: rotate(-13deg); }
.loader__glass::after { right: 13%; transform: rotate(13deg); }

.loader__glass > b {
  position: absolute;
  top: 0;
  left: 50%;
  width: 9px;
  height: 51%;
  background: rgb(16 24 28 / 58%);
  transform: translateX(-50%) rotate(-1deg);
}

.loader__runway {
  position: absolute !important;
  z-index: 1 !important;
  left: 50%;
  bottom: -19%;
  width: 52%;
  height: 58%;
  border-right: 2px solid rgb(241 233 208 / 68%);
  border-left: 2px solid rgb(241 233 208 / 68%);
  background: #30373a;
  transform: translateX(-50%) perspective(360px) rotateX(59deg);
  transform-origin: bottom;
}

.loader__runway::before,
.loader__runway::after {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 4px;
  content: "";
  background: repeating-linear-gradient(180deg, var(--bone) 0 30px, transparent 30px 58px);
}

.loader__runway::before { left: 24%; }
.loader__runway::after { right: 24%; }

.loader__runway span {
  position: absolute;
  left: 50%;
  width: 5px;
  height: 19%;
  background: var(--bone);
  transform: translateX(-50%);
}

.loader__runway span:nth-child(1) { top: 4%; }
.loader__runway span:nth-child(2) { top: 27%; }
.loader__runway span:nth-child(3) { top: 50%; }
.loader__runway span:nth-child(4) { top: 73%; }
.loader__runway span:nth-child(5) { top: 96%; }

#loader footer {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto auto;
  align-items: center;
  gap: 16px;
  color: var(--bone);
  font-size: clamp(8px, 1.4vw, 11px);
  font-weight: 900;
  letter-spacing: .1em;
}

.loader__progress {
  height: 6px;
  overflow: hidden;
  border: 1px solid rgb(241 233 208 / 58%);
  background: rgb(16 24 28 / 58%);
}

.loader__progress i {
  display: block;
  width: var(--progress);
  height: 100%;
  background: var(--amber);
  box-shadow: 0 0 18px rgb(255 179 65 / 52%);
  transition: width 160ms linear;
}

#error-panel {
  padding: 7vw;
  background: var(--ink);
}

#error-panel > span {
  padding: 4px 7px;
  color: var(--bone);
  background: var(--red);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .12em;
}

#error-panel h2 { margin: 20px 0 8px; font-size: clamp(28px, 6vw, 54px); }
#error-panel p { color: var(--muted); }
#error-panel button {
  margin-top: 18px;
  padding: 13px 18px;
  color: var(--ink);
  border: 0;
  background: var(--amber);
  font: 900 12px/1 inherit;
  letter-spacing: .12em;
}

#fullscreen-button {
  position: absolute;
  z-index: 12;
  top: max(58px, calc(env(safe-area-inset-top) + 48px));
  right: max(10px, env(safe-area-inset-right));
  width: 38px;
  height: 38px;
  padding: 0;
  color: var(--bone);
  border: 1px solid rgb(241 233 208 / 22%);
  background: rgb(16 24 28 / 66%);
  font-size: 18px;
}

#rotate-panel {
  position: fixed;
  z-index: 40;
  inset: 0;
  display: none;
  place-content: center;
  justify-items: center;
  gap: 10px;
  padding: 30px;
  text-align: center;
  color: var(--bone);
  background: var(--ink);
}

#rotate-panel i { color: var(--amber); font: normal 54px/1 sans-serif; }
#rotate-panel strong { font-size: 22px; }
#rotate-panel span { color: var(--muted); font-size: 12px; letter-spacing: .08em; }

@media (orientation: portrait) and (max-width: 900px) {
  #rotate-panel { display: grid; }
}

@media (prefers-reduced-motion: reduce) {
  #loader,
  .loader__progress i { transition: none; }
}