:root {
  --bg: #080808;
  --fg: #ecebe7;
  --muted: #6f706c;
  --line: #20211f;
  --acid: #b7ff00;
  --ease: cubic-bezier(.2,.7,.2,1);
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 50% 43%, rgba(255,255,255,.022), transparent 34rem),
    var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .09;
  background-image:
    linear-gradient(rgba(255,255,255,.017) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.017) 1px, transparent 1px);
  background-size: 52px 52px;
  -webkit-mask-image: radial-gradient(circle at center, #000, transparent 76%);
  mask-image: radial-gradient(circle at center, #000, transparent 76%);
}

.page {
  min-height: 100svh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  padding: 34px 42px 26px;
}

.brand {
  display: flex;
  justify-content: center;
}

.wordmark {
  display: block;
  width: clamp(190px, 21vw, 300px);
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

.hero {
  display: grid;
  place-items: center;
  align-content: center;
  gap: clamp(48px, 7vh, 82px);
  padding: 6vh 0 8vh;
}

.symbol-wrap {
  width: min(54vw, 470px);
  display: grid;
  place-items: center;
  perspective: 900px;
}

.symbol {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
  transform-style: preserve-3d;
  transition: transform 650ms var(--ease), filter 500ms var(--ease);
  filter: drop-shadow(0 0 0 rgba(183,255,0,0));
}

.symbol-body { fill: var(--fg); }
.symbol-core {
  fill: var(--acid);
  animation: corePulse 4.8s ease-in-out infinite;
}

.copy { text-align: center; }

h1 {
  margin: 0;
  font-size: clamp(38px, 6.9vw, 84px);
  line-height: .91;
  font-weight: 250;
  letter-spacing: -.045em;
}

.footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  color: var(--muted);
  border-top: 1px solid var(--line);
  padding-top: 18px;
  font-size: 10px;
  letter-spacing: .24em;
}

.footer > :last-child { text-align: right; }

.status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.status i {
  width: 6px;
  height: 6px;
  display: inline-block;
  background: var(--acid);
  transform: rotate(45deg);
  box-shadow: 0 0 10px rgba(183,255,0,.42);
}

@keyframes corePulse {
  0%, 100% {
    opacity: .78;
    filter: drop-shadow(0 0 5px rgba(183,255,0,.14));
  }
  50% {
    opacity: 1;
    filter: drop-shadow(0 0 15px rgba(183,255,0,.48));
  }
}

@media (hover: hover) {
  .symbol-wrap:hover .symbol {
    filter: drop-shadow(0 0 18px rgba(183,255,0,.035));
  }

  .symbol-wrap:hover .symbol-core {
    animation-duration: 1.8s;
  }
}

@media (max-width: 680px) {
  .page { padding: 24px 20px 20px; }
  .wordmark { width: clamp(170px, 56vw, 230px); }
  .hero { gap: 48px; padding-top: 4vh; }
  .symbol-wrap { width: min(84vw, 390px); }

  .footer {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .status { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .symbol-core { animation: none; }
  .symbol { transition: none; }
}
