:root {
  --ink: #0b0d0c;
  --ink-soft: #111411;
  --paper: #f1efe7;
  --paper-dim: #c8c7bf;
  --muted: #8d938b;
  --line: rgba(241, 239, 231, 0.16);
  --line-strong: rgba(241, 239, 231, 0.3);
  --acid: #c8ff58;
  --acid-deep: #a8e135;
  --max: 1380px;
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px),
    var(--ink);
  background-size: 48px 48px;
  color: var(--paper);
  font-family:
    Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

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

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

.skip-link {
  position: fixed;
  z-index: 100;
  top: 12px;
  left: 12px;
  padding: 10px 14px;
  transform: translateY(-160%);
  background: var(--acid);
  color: var(--ink);
  font-weight: 700;
}

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

.site-header {
  position: relative;
  z-index: 10;
  width: min(calc(100% - 48px), var(--max));
  height: 94px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  border-bottom: 1px solid var(--line);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 750;
  letter-spacing: -0.025em;
}

.brand-mark,
.footer-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border: 1px solid var(--paper);
  border-radius: 50%;
  color: var(--acid);
  font-size: 14px;
}

.brand-name {
  font-size: 17px;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(24px, 4vw, 56px);
  color: var(--paper-dim);
  font-size: 13px;
}

.nav a {
  position: relative;
  padding: 12px 0;
}

.nav a::after {
  position: absolute;
  right: 0;
  bottom: 5px;
  left: 0;
  height: 1px;
  content: "";
  transform: scaleX(0);
  transform-origin: right;
  background: var(--acid);
  transition: transform 220ms ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.online-pill {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper-dim);
  font: 600 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.12em;
}

.online-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 12px rgba(200, 255, 88, 0.75);
}

.hero {
  position: relative;
  width: min(calc(100% - 48px), var(--max));
  min-height: min(780px, calc(100vh - 94px));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(420px, 0.96fr);
  align-items: center;
  gap: 4vw;
  padding: 74px 0 90px;
}

.eyebrow {
  margin: 0 0 28px;
  color: var(--muted);
  font: 600 11px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow span {
  margin-right: 16px;
  color: var(--acid);
}

.hero h1,
.section h2 {
  margin: 0;
  letter-spacing: -0.065em;
  text-wrap: balance;
}

.hero h1 {
  max-width: 850px;
  font-size: clamp(56px, 7.3vw, 112px);
  font-weight: 650;
  line-height: 0.98;
}

.hero h1 span {
  position: relative;
  display: inline-block;
  color: var(--acid);
}

.hero h1 span::after {
  position: absolute;
  right: 0.02em;
  bottom: -0.08em;
  left: 0.02em;
  height: 0.04em;
  content: "";
  background: var(--acid);
  transform: rotate(-1deg);
}

.hero-intro {
  max-width: 650px;
  margin: 34px 0 0;
  color: var(--paper-dim);
  font-size: clamp(16px, 1.25vw, 19px);
  line-height: 1.8;
}

.hero-actions {
  margin-top: 44px;
  display: flex;
  align-items: center;
  gap: 28px;
}

.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  min-width: 210px;
  gap: 28px;
  padding: 16px 18px;
  border: 1px solid var(--acid);
  background: var(--acid);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  transition:
    transform 180ms ease,
    background 180ms ease;
}

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-3px);
  background: var(--paper);
}

.primary-button span {
  font-size: 18px;
}

.build-note {
  color: var(--muted);
  font: 500 9px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.12em;
}

.signal-stage {
  position: relative;
  min-height: 600px;
  overflow: hidden;
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  background:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 25% 25%;
}

.signal-stage::before,
.signal-stage::after {
  position: absolute;
  content: "";
  background: var(--line);
}

.signal-stage::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
}

.signal-stage::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
}

.orbit {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-large {
  width: min(76%, 450px);
  aspect-ratio: 1;
  border-color: var(--acid);
  box-shadow: 0 0 70px rgba(200, 255, 88, 0.05);
}

.orbit-small {
  width: min(44%, 260px);
  aspect-ratio: 1;
  border-style: dashed;
}

.satellite {
  position: absolute;
  z-index: 2;
  display: block;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--acid);
  box-shadow: 0 0 20px rgba(200, 255, 88, 0.4);
}

.satellite-one {
  top: 14%;
  left: 62%;
  animation: float 5s ease-in-out infinite;
}

.satellite-two {
  right: 15%;
  bottom: 23%;
  width: 8px;
  height: 8px;
  animation: float 5s 1.5s ease-in-out infinite reverse;
}

.terminal-card {
  position: absolute;
  z-index: 3;
  right: 6%;
  bottom: 8%;
  width: min(84%, 420px);
  border: 1px solid rgba(200, 255, 88, 0.45);
  background: rgba(11, 13, 12, 0.94);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(12px);
}

.terminal-bar {
  height: 44px;
  padding: 0 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 500 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--acid);
}

.terminal-dots span:nth-child(2) {
  opacity: 0.55;
}

.terminal-dots span:nth-child(3) {
  opacity: 0.25;
}

.terminal-body {
  min-height: 200px;
  padding: 28px 24px;
  font: 500 12px/1.65 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.terminal-body p {
  margin: 0 0 5px;
}

.terminal-body .response {
  margin: 0 0 20px 20px;
  color: var(--muted);
}

.prompt {
  margin-right: 10px;
  color: var(--acid);
}

.cursor {
  display: inline-block;
  width: 7px;
  height: 13px;
  margin-left: 5px;
  vertical-align: -2px;
  background: var(--acid);
  animation: blink 1s steps(1) infinite;
}

.terminal-meta {
  min-height: 45px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
}

.terminal-meta strong {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--paper-dim);
  font-weight: 500;
}

.terminal-meta i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--acid);
}

.coordinate {
  position: absolute;
  z-index: 2;
  top: 20px;
  right: 18px;
  display: flex;
  gap: 14px;
  color: var(--muted);
  font: 500 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
  writing-mode: vertical-rl;
}

.ticker {
  overflow: hidden;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--acid);
  color: var(--ink);
}

.ticker-track {
  width: max-content;
  min-height: 58px;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 0 24px;
  font: 750 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.12em;
  animation: ticker 28s linear infinite;
}

.ticker-track i {
  font-style: normal;
}

.section {
  width: min(calc(100% - 48px), var(--max));
  margin: 0 auto;
  padding: 150px 0;
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(250px, 0.7fr) 1.3fr;
  align-items: end;
  gap: 40px;
  margin-bottom: 64px;
}

.section-heading .eyebrow {
  grid-column: 1 / -1;
  margin-bottom: 0;
}

.section-heading h2 {
  font-size: clamp(46px, 5.5vw, 82px);
  line-height: 1;
}

.section-heading > p:last-child {
  max-width: 430px;
  justify-self: end;
  margin: 0;
  color: var(--muted);
  line-height: 1.75;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.feature-card {
  min-height: 480px;
  padding: 26px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(17, 20, 17, 0.5);
  transition:
    background 250ms ease,
    transform 250ms ease;
}

.feature-card:hover {
  transform: translateY(-6px);
  background: #161a16;
}

.card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font: 600 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.12em;
}

.card-symbol {
  color: var(--acid);
  font-size: 22px;
}

.card-kicker {
  margin: 0 0 13px;
  color: var(--acid);
  font: 500 10px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.feature-card h3 {
  margin: 0 0 18px;
  font-size: clamp(30px, 3vw, 44px);
  font-weight: 580;
  letter-spacing: -0.05em;
}

.feature-card p:not(.card-kicker) {
  max-width: 340px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.coming-label {
  width: fit-content;
  padding: 8px 10px;
  border: 1px solid var(--line);
  color: var(--paper-dim);
  font: 500 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
}

.accent-card {
  background: var(--acid);
  color: var(--ink);
}

.accent-card:hover {
  background: var(--acid-deep);
}

.accent-card .card-topline,
.accent-card .card-kicker,
.accent-card p:not(.card-kicker),
.accent-card .card-symbol {
  color: rgba(11, 13, 12, 0.7);
}

.accent-card .coming-label {
  border-color: rgba(11, 13, 12, 0.25);
  color: var(--ink);
}

.now-section {
  position: relative;
  display: grid;
  grid-template-columns: 0.3fr 1.05fr 0.65fr;
  gap: 5vw;
  align-items: start;
  border-top: 1px solid var(--line);
}

.now-index {
  color: transparent;
  font-size: clamp(110px, 16vw, 250px);
  font-weight: 800;
  line-height: 0.7;
  letter-spacing: -0.08em;
  -webkit-text-stroke: 1px rgba(200, 255, 88, 0.3);
}

.now-content h2,
.about-layout h2 {
  font-size: clamp(48px, 5.4vw, 80px);
  font-weight: 600;
  line-height: 1.05;
}

.now-content > p:last-child {
  max-width: 650px;
  margin: 36px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.now-facts {
  margin: 42px 0 0;
  border-top: 1px solid var(--line);
}

.now-facts div {
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.now-facts dt {
  margin-bottom: 10px;
  color: var(--muted);
  font: 500 9px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
}

.now-facts dd {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--paper-dim);
  font-size: 13px;
}

.about-section {
  border-top: 1px solid var(--line);
}

.about-layout {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 9vw;
  align-items: end;
}

.about-copy {
  padding-bottom: 8px;
}

.about-copy p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.site-footer {
  width: min(calc(100% - 48px), var(--max));
  min-height: 160px;
  margin: 0 auto;
  padding: 36px 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 9px/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.1em;
}

.site-footer > div {
  display: flex;
  align-items: center;
  gap: 12px;
}

.site-footer > p:last-child {
  justify-self: end;
}

.footer-mark {
  width: 30px;
  height: 30px;
}

.js .reveal {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.js .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes blink {
  0%,
  45% {
    opacity: 1;
  }
  46%,
  100% {
    opacity: 0;
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-12px);
  }
}

@keyframes ticker {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1080px) {
  .hero {
    grid-template-columns: 1fr;
    padding-top: 90px;
  }

  .hero-copy {
    position: relative;
    z-index: 4;
  }

  .signal-stage {
    min-height: 520px;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .section-heading > p:last-child {
    justify-self: start;
  }

  .card-grid {
    grid-template-columns: 1fr 1fr;
  }

  .feature-card:last-child {
    grid-column: 1 / -1;
    min-height: 360px;
  }

  .now-section {
    grid-template-columns: 0.2fr 1fr;
  }

  .now-facts {
    grid-column: 2;
  }
}

@media (max-width: 720px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(calc(100% - 32px), var(--max));
  }

  .site-header {
    height: 74px;
    grid-template-columns: 1fr auto;
  }

  .nav {
    display: none;
  }

  .brand-name {
    font-size: 15px;
  }

  .online-pill {
    padding: 8px 10px;
  }

  .hero {
    min-height: 0;
    padding: 72px 0 70px;
  }

  .hero h1 {
    font-size: clamp(48px, 14.7vw, 78px);
    line-height: 1.03;
  }

  .hero-intro {
    font-size: 15px;
    line-height: 1.75;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .signal-stage {
    min-height: 450px;
    margin-top: 12px;
  }

  .terminal-card {
    right: 5%;
    bottom: 6%;
    width: 90%;
  }

  .terminal-body {
    min-height: 180px;
  }

  .section {
    padding: 100px 0;
  }

  .section-heading {
    margin-bottom: 44px;
  }

  .section-heading h2 {
    font-size: 48px;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card:last-child {
    grid-column: auto;
    min-height: 390px;
  }

  .now-section {
    grid-template-columns: 1fr;
    gap: 56px;
  }

  .now-index {
    position: absolute;
    top: 80px;
    right: 0;
    opacity: 0.55;
  }

  .now-content,
  .now-facts {
    position: relative;
    z-index: 1;
    grid-column: 1;
  }

  .now-content h2,
  .about-layout h2 {
    font-size: 48px;
  }

  .about-layout {
    grid-template-columns: 1fr;
    gap: 50px;
  }

  .site-footer {
    grid-template-columns: 1fr;
    padding: 48px 0;
  }

  .site-footer > p:last-child {
    justify-self: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}