:root {
  color-scheme: dark;
  --void: #030507;
  --ink: #eef5ff;
  --muted: #8994a7;
  --line: rgba(238, 245, 255, 0.13);
  --signal: #23f7c5;
  --violet: #8b5cf6;
  --amber: #ffb86b;
  --red: #ff496d;
  --panel: rgba(8, 13, 19, 0.72);
  --shadow: 0 26px 90px rgba(0, 0, 0, 0.46);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background: var(--void);
}

body {
  min-width: 320px;
  margin: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    radial-gradient(circle at 82% 12%, rgba(139, 92, 246, 0.2), transparent 28%),
    var(--void);
  background-size: 44px 44px, 44px 44px, auto, auto;
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

a {
  color: inherit;
  text-decoration: none;
}

.siteHeader {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(16px, 4vw, 56px);
  color: var(--ink);
}

.brand,
.navLinks,
.headerAction {
  border: 1px solid var(--line);
  background: rgba(3, 5, 7, 0.56);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  padding: 8px 12px 8px 8px;
  font-weight: 800;
}

.brandGlyph {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  background: var(--signal);
  color: var(--void);
  font-weight: 900;
}

.navLinks {
  justify-self: center;
  display: flex;
  gap: 4px;
  padding: 6px;
}

.navLinks a,
.headerAction,
.primaryButton,
.secondaryButton {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  padding: 0 15px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.navLinks a {
  color: var(--muted);
}

.navLinks a:hover {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.07);
}

.headerAction {
  color: var(--signal);
}

.hero {
  position: relative;
  min-height: 94vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

#signalCanvas,
#transmissionCanvas,
.scanlines {
  position: absolute;
  inset: 0;
}

#signalCanvas,
#transmissionCanvas {
  width: 100%;
  height: 100%;
}

.scanlines {
  pointer-events: none;
  opacity: 0.34;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 8px,
    rgba(255, 255, 255, 0.055) 9px
  );
  mix-blend-mode: screen;
}

.heroContent {
  position: relative;
  z-index: 2;
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding-top: 70px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--signal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 980px;
  margin: 0;
  font-size: clamp(84px, 18vw, 220px);
  line-height: 0.78;
  letter-spacing: 0;
  text-shadow:
    0 0 26px rgba(35, 247, 197, 0.32),
    6px 0 0 rgba(255, 73, 109, 0.16),
    -6px 0 0 rgba(139, 92, 246, 0.18);
}

.heroCopy {
  max-width: 720px;
  margin: 30px 0 0;
  color: rgba(238, 245, 255, 0.78);
  font-size: clamp(19px, 2.4vw, 31px);
  line-height: 1.35;
}

.heroActions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 36px;
}

.primaryButton {
  background: var(--signal);
  color: var(--void);
}

.secondaryButton {
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
}

.signalPanel {
  position: absolute;
  right: clamp(18px, 4vw, 64px);
  bottom: clamp(18px, 6vw, 78px);
  z-index: 3;
  width: min(310px, calc(100% - 36px));
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(3, 5, 7, 0.62);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.signalPanel span,
.signalPanel p {
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
}

.signalPanel strong {
  display: block;
  margin: 8px 0;
  color: var(--amber);
  font-size: 34px;
}

.manifesto {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: clamp(86px, 14vw, 160px) 0;
}

.manifesto p {
  max-width: 1030px;
  margin: 0;
  color: rgba(238, 245, 255, 0.72);
  font-size: clamp(29px, 5vw, 70px);
  line-height: 1.05;
}

.manifesto p + p {
  margin-top: 42px;
}

.manifesto span {
  color: var(--ink);
}

.section,
.artifactBand,
footer {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.section {
  padding: clamp(78px, 11vw, 130px) 0;
}

.split,
.culture {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(34px, 8vw, 94px);
  align-items: start;
}

h2 {
  margin: 0;
  font-size: clamp(38px, 6vw, 82px);
  line-height: 0.96;
  letter-spacing: 0;
}

.copyStack p,
.culture p,
.artifactBand p,
.transmission p,
footer p {
  color: rgba(238, 245, 255, 0.67);
  font-size: 17px;
  line-height: 1.75;
}

.copyStack p {
  margin: 0 0 22px;
}

.artifactBand {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.artifactBand article {
  min-height: 270px;
  padding: 28px;
  background: rgba(7, 11, 17, 0.94);
}

.artifactBand span {
  display: inline-flex;
  margin-bottom: 58px;
  color: var(--signal);
  font-size: 13px;
  font-weight: 900;
}

.artifactBand strong {
  display: block;
  font-size: 28px;
}

.cultureGraphic {
  position: sticky;
  top: 108px;
  min-height: 420px;
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(35, 247, 197, 0.16), transparent 38%),
    linear-gradient(315deg, rgba(255, 73, 109, 0.17), transparent 44%),
    rgba(7, 11, 17, 0.78);
  box-shadow: var(--shadow);
}

.cultureGraphic::before,
.cultureGraphic::after {
  content: "";
  position: absolute;
  inset: 34px;
  border: 1px solid rgba(35, 247, 197, 0.25);
}

.cultureGraphic::after {
  inset: 72px;
  border-color: rgba(139, 92, 246, 0.28);
  transform: rotate(7deg);
}

.codeBlock {
  position: absolute;
  left: 28px;
  right: 28px;
  bottom: 28px;
  display: grid;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  background: rgba(3, 5, 7, 0.72);
}

.codeBlock span {
  color: var(--muted);
  font-size: 13px;
}

.codeBlock span:nth-child(1),
.codeBlock span:nth-child(4) {
  color: var(--signal);
}

.transmission {
  position: relative;
  min-height: 560px;
  display: grid;
  align-items: center;
  overflow: hidden;
  margin-top: 40px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.transmissionInner {
  position: relative;
  z-index: 2;
  width: min(900px, calc(100% - 36px));
  margin: 0 auto;
  text-align: center;
}

.transmissionInner h2 {
  font-size: clamp(48px, 9vw, 112px);
}

.terminalLine {
  width: fit-content;
  max-width: 100%;
  margin: 36px auto 0;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  border: 1px solid var(--line);
  background: rgba(3, 5, 7, 0.64);
}

.terminalLine span {
  width: 10px;
  height: 18px;
  background: var(--signal);
  animation: blink 0.9s steps(2, start) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 34px 0 48px;
}

footer strong {
  color: var(--signal);
}

footer p {
  max-width: 680px;
  margin: 0;
  text-align: right;
  font-size: 13px;
}

@media (max-width: 880px) {
  .siteHeader {
    grid-template-columns: auto auto;
  }

  .navLinks {
    display: none;
  }

  .split,
  .culture,
  .artifactBand {
    grid-template-columns: 1fr;
  }

  .signalPanel {
    position: relative;
    right: auto;
    bottom: auto;
    width: min(1160px, calc(100% - 36px));
    margin: -112px auto 34px;
  }

  .cultureGraphic {
    position: relative;
    top: auto;
  }

  footer {
    display: grid;
  }

  footer p {
    text-align: left;
  }
}

@media (max-width: 520px) {
  .siteHeader {
    padding: 12px;
  }

  .brand {
    padding-right: 10px;
  }

  .brandGlyph {
    width: 30px;
    height: 30px;
  }

  .headerAction {
    min-height: 38px;
    padding-inline: 12px;
    font-size: 12px;
  }

  .hero {
    min-height: 88vh;
  }

  .heroContent {
    padding-top: 90px;
  }

  .heroActions {
    display: grid;
  }

  .primaryButton,
  .secondaryButton {
    width: 100%;
  }

  .manifesto p {
    font-size: clamp(32px, 11vw, 54px);
  }

  .terminalLine {
    width: 100%;
    justify-content: center;
    font-size: 12px;
  }
}