@import url("tokens.css");

@property --ring-a {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

@property --ring-b {
  syntax: "<angle>";
  initial-value: 120deg;
  inherits: false;
}

@property --ring-c {
  syntax: "<angle>";
  initial-value: 240deg;
  inherits: false;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  overflow-x: clip;
}

html {
  height: 100%;
  background: var(--color-paper);
}

body {
  margin: 0;
  min-height: 100dvh;
  color: var(--color-ink);
  font-family: var(--font-body);
  font-weight: 400;
  background:
    radial-gradient(42% 36% at 52% 44%, var(--color-paper-emit), transparent 70%),
    radial-gradient(28% 24% at 78% 18%, oklch(40% 0.06 265 / 0.35), transparent 72%),
    var(--color-paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.stage {
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding-block: var(--space-3xl) var(--space-4xl);
  padding-inline: max(var(--page-gutter), env(safe-area-inset-left))
    max(var(--page-gutter), env(safe-area-inset-right));
}

.spotlight {
  position: absolute;
  inset: 0;
  z-index: var(--z-spotlight);
  pointer-events: none;
  background: radial-gradient(
    38rem circle at var(--mx) var(--my),
    oklch(78% 0.16 55 / 0.16),
    transparent 58%
  );
}

.field {
  position: absolute;
  z-index: var(--z-base);
  width: min(92vw, 54rem);
  aspect-ratio: 1.18 / 1;
  pointer-events: none;
  transform: translate(4%, -6%) rotate(-8deg);
}

.ring,
.orbit {
  position: absolute;
  inset: var(--inset);
  border-radius: 50%;
  pointer-events: none;
}

.ring {
  border: 1px solid oklch(96% 0.02 85 / 0.08);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 1.2px), #000 calc(100% - 1.2px));
  mask: radial-gradient(farthest-side, transparent calc(100% - 1.2px), #000 calc(100% - 1.2px));
}

.ring--a {
  --inset: 6%;
  background: conic-gradient(
    from var(--ring-a),
    transparent 0 64%,
    oklch(78% 0.16 55 / 0.22) 74%,
    oklch(96% 0.02 85 / 0.9) 82%,
    oklch(78% 0.16 55 / 0.28) 90%,
    transparent 100%
  );
  animation: spin-a var(--dur-orbit-a) linear infinite;
}

.ring--b {
  --inset: 16%;
  background: conic-gradient(
    from var(--ring-b),
    transparent 0 62%,
    oklch(78% 0.16 55 / 0.2) 76%,
    oklch(96% 0.02 85 / 0.75) 86%,
    transparent 100%
  );
  animation: spin-b var(--dur-orbit-b) linear infinite reverse;
}

.ring--c {
  --inset: 27%;
  background: conic-gradient(
    from var(--ring-c),
    transparent 0 70%,
    oklch(78% 0.16 55 / 0.18) 82%,
    oklch(96% 0.02 85 / 0.6) 90%,
    transparent 100%
  );
  animation: spin-c var(--dur-orbit-c) linear infinite;
}

.orbit--a {
  --inset: 6%;
  animation: turn-a var(--dur-orbit-a) linear infinite;
}

.orbit--b {
  --inset: 16%;
  animation: turn-b var(--dur-orbit-b) linear infinite reverse;
}

.orbit--c {
  --inset: 27%;
  animation: turn-c var(--dur-orbit-c) linear infinite;
}

.sat {
  position: absolute;
  top: 0;
  left: 50%;
  width: 5px;
  height: 5px;
  margin: -2.5px 0 0 -2.5px;
  border-radius: 50%;
  background: var(--color-ink);
  box-shadow: 0 0 12px 2px var(--color-glow);
}

.orbit--b .sat {
  width: 3px;
  height: 3px;
  margin: -1.5px 0 0 -1.5px;
}

.sat--warm {
  width: 4px;
  height: 4px;
  margin: -2px 0 0 -2px;
  background: var(--color-accent);
}

.name {
  position: relative;
  z-index: var(--z-name);
  margin: 0;
  width: 100%;
  max-width: 18ch;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  column-gap: 0.32em;
  row-gap: 0;
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 400;
  font-size: var(--text-display);
  line-height: 1.02;
  letter-spacing: -0.032em;
  text-align: center;
  color: var(--color-ink);
  overflow-wrap: anywhere;
  text-shadow:
    0 0 48px oklch(78% 0.16 55 / 0.28),
    0 0 120px oklch(78% 0.16 55 / 0.16);
  animation: reveal var(--dur-long) var(--ease-out) both;
}

.name span {
  display: block;
  flex: 0 0 auto;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.07;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@keyframes spin-a {
  to {
    --ring-a: 360deg;
  }
}

@keyframes spin-b {
  to {
    --ring-b: 480deg;
  }
}

@keyframes spin-c {
  to {
    --ring-c: 600deg;
  }
}

@keyframes turn-a {
  from {
    transform: rotate(18deg);
  }
  to {
    transform: rotate(378deg);
  }
}

@keyframes turn-b {
  from {
    transform: rotate(210deg);
  }
  to {
    transform: rotate(-150deg);
  }
}

@keyframes turn-c {
  from {
    transform: rotate(300deg);
  }
  to {
    transform: rotate(660deg);
  }
}

@keyframes reveal {
  from {
    opacity: 0;
    transform: scale(0.985);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 420px) {
  .name {
    flex-direction: column;
    align-items: center;
    letter-spacing: -0.02em;
    line-height: 1.06;
  }

  .field {
    width: min(140vw, 28rem);
  }
}

@media (min-width: 40rem) {
  .field {
    width: min(88vw, 62rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .ring--a,
  .ring--b,
  .ring--c,
  .orbit--a,
  .orbit--b,
  .orbit--c,
  .name {
    animation: none;
  }

  .name {
    opacity: 1;
    transform: none;
  }

  .spotlight {
    --mx: 50%;
    --my: 42%;
  }
}