:root {
  --black: #080c0b;
  --surface: #0b1110;
  --shadow-a: #070a09;
  --shadow-b: #080b0a;
  --ink: #f4f7f0;
  --muted: #adb8ae;
  --acid: #ccff33;
  --violet: #958cff;
  --line: rgba(244, 247, 240, 0.16);
  --mouse-x: 50%;
  --mouse-y: 24%;
  --display: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --body: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

html {
  color-scheme: dark;
}

body {
  min-width: 20rem;
  margin: 0;
  color: var(--ink);
  background: var(--black);
  font-family: var(--body);
}

a {
  color: inherit;
}

:focus-visible {
  outline: 3px solid var(--acid);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 30;
  padding: 0.7rem 1rem;
  color: var(--black);
  background: var(--acid);
  font-weight: 750;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 20;
  padding: clamp(1.1rem, 3vw, 2rem) clamp(1.1rem, 4vw, 3.5rem);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.site-nav a {
  display: inline-flex;
  min-height: 2.75rem;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0;
  color: var(--ink);
  text-decoration: none;
}

.site-domain {
  color: var(--muted);
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--acid);
}

.hero {
  position: relative;
  display: grid;
  min-height: 100svh;
  overflow: hidden;
  padding: 7rem 2rem 4rem;
  place-items: center;
  background:
    radial-gradient(38rem circle at var(--mouse-x) var(--mouse-y), rgba(204, 255, 51, 0.1), transparent 65%),
    radial-gradient(circle at 72% 32%, rgba(149, 140, 255, 0.15), transparent 28rem),
    linear-gradient(150deg, var(--shadow-a) 8%, var(--surface) 56%, var(--shadow-b) 100%);
  text-align: center;
}

.hero::before {
  position: absolute;
  inset: 0;
  opacity: 0.1;
  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='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.5'/%3E%3C/svg%3E");
  content: "";
  pointer-events: none;
}

.system {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.grid-plane {
  position: absolute;
  right: -10%;
  bottom: -35%;
  left: -10%;
  height: 72%;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: clamp(2.5rem, 5vw, 5rem) clamp(2.5rem, 5vw, 5rem);
  -webkit-mask-image: linear-gradient(to bottom, transparent, black 32%);
  mask-image: linear-gradient(to bottom, transparent, black 32%);
  transform: perspective(35rem) rotateX(56deg);
  transform-origin: center top;
}

.scan-line {
  position: absolute;
  top: 27%;
  right: 8%;
  left: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(204, 255, 51, 0.52), transparent);
  box-shadow: 0 0 2.5rem 0.2rem rgba(204, 255, 51, 0.14);
  animation: scan 10s ease-in-out infinite alternate;
}

.node {
  position: absolute;
  width: 0.36rem;
  height: 0.36rem;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 1.5rem 0.35rem rgba(204, 255, 51, 0.32);
}

.node-one {
  top: 24%;
  left: 17%;
}

.node-two {
  top: 64%;
  right: 18%;
  background: var(--violet);
  box-shadow: 0 0 1.5rem 0.35rem rgba(149, 140, 255, 0.34);
}

.node-three {
  right: 37%;
  bottom: 14%;
}

.prompt {
  position: absolute;
  right: clamp(1.25rem, 4vw, 3.5rem);
  bottom: clamp(1.2rem, 3vw, 2rem);
  color: rgba(204, 255, 51, 0.55);
  font-family: var(--mono);
  font-size: 0.64rem;
  letter-spacing: 0.08em;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  flex-direction: column;
}

h1 {
  display: flex;
  margin: 0;
  flex-direction: column;
  font-family: var(--display);
  font-size: clamp(4.5rem, 13vw, 11rem);
  font-weight: 900;
  letter-spacing: -0.075em;
  line-height: 0.72;
  text-transform: uppercase;
}

.code-word {
  color: var(--acid);
  font-family: var(--mono);
  font-size: 0.66em;
  letter-spacing: -0.1em;
}

.hero-inner > p {
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.05rem, 2.5vw, 1.55rem);
  font-style: italic;
  letter-spacing: 0.1em;
}

.speech-link {
  display: inline-flex;
  align-items: center;
  gap: 2.5rem;
  margin-top: clamp(3rem, 6vw, 4.5rem);
  padding: 0.7rem 0;
  border-bottom: 1px solid rgba(244, 247, 240, 0.44);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-decoration: none;
  text-transform: uppercase;
  transition: border-color 180ms ease, color 180ms ease;
}

.speech-link:hover,
.speech-link:focus-visible {
  border-color: var(--acid);
  color: var(--acid);
}

.js h1 > span,
.js .hero-inner > p,
.js .speech-link {
  opacity: 0;
  animation: enter 750ms ease-out forwards;
}

.js .code-word {
  animation-delay: 100ms;
}

.js .hero-inner > p {
  animation-delay: 220ms;
}

.js .speech-link {
  animation-delay: 380ms;
}

@keyframes enter {
  from {
    opacity: 0;
    transform: translateY(1.4rem);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scan {
  to {
    opacity: 0.45;
    transform: translateY(44vh);
  }
}

@media (max-width: 540px) {
  .site-header {
    padding-top: 1rem;
  }

  .hero {
    padding: 6.5rem 1.25rem 3.5rem;
  }

  h1 {
    font-size: clamp(4.1rem, 22vw, 6.5rem);
  }

  .grid-plane {
    bottom: -14%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .js h1 > span,
  .js .hero-inner > p,
  .js .speech-link {
    opacity: 1;
    transform: none;
  }
}