:root {
  color-scheme: dark;
  --void: #07090c;
  --graphite: #10151b;
  --rule: #2a323c;
  --ink: #eef2f5;
  --mist: #a9b2bc;
  --accent: #e3b45b;
  --display: "Avenir Next Condensed", "Arial Narrow", "Helvetica Neue", sans-serif;
  --body: "Avenir Next", Avenir, "Helvetica Neue", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--void);
  color: var(--ink);
  font-family: var(--body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--display); text-wrap: balance; }
p, li { text-wrap: pretty; }

.skip-link {
  position: fixed;
  top: max(0.75rem, env(safe-area-inset-top));
  left: max(0.75rem, env(safe-area-inset-left));
  z-index: 10;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--void);
  transform: translateY(-180%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.site-header,
main,
footer {
  width: min(100% - 3rem, 78rem);
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.75rem;
  border-bottom: 1px solid var(--rule);
}
.brand {
  display: inline-flex;
  gap: 0.6rem;
  align-items: baseline;
  font-family: var(--display);
  font-size: 1.1rem;
  font-weight: 700;
  text-decoration: none;
}
.brand span { color: var(--accent); font: 1rem Georgia, serif; }
nav { display: flex; gap: clamp(1rem, 3vw, 2rem); }
nav a, footer a { color: var(--mist); font-size: 0.875rem; text-decoration: none; }
nav a:hover, footer a:hover { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(31rem, 1.1fr);
  gap: clamp(3rem, 7vw, 6.5rem);
  align-items: center;
  min-height: calc(100dvh - 4.75rem);
  padding-block: 5.5rem;
}
.star-name {
  margin-bottom: 1.5rem;
  color: var(--accent);
  font-weight: 650;
}
h1 {
  max-width: 14ch;
  margin-bottom: 1.75rem;
  font-size: clamp(3.6rem, 4.5vw, 4.2rem);
  font-weight: 650;
  line-height: 0.9;
}
.lede {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: #c7cdd3;
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  line-height: 1.7;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.65rem 1.05rem;
  border: 1px solid var(--rule);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}
.button:hover { border-color: var(--accent); }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--void); }
.button.primary:hover { background: #f0c66f; }

.facts {
  display: flex;
  gap: 1.75rem;
  margin: 2.5rem 0 0;
  padding: 0;
  list-style: none;
}
.facts li { display: grid; gap: 0.1rem; }
.facts span { color: var(--mist); font-size: 0.72rem; }
.facts strong { font-size: 0.82rem; font-weight: 650; font-variant-numeric: tabular-nums; }

.boundary-map {
  min-width: 0;
  margin: 0;
  border: 1px solid var(--rule);
  background: var(--graphite);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}
.map-head {
  display: flex;
  justify-content: space-between;
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--rule);
  color: var(--mist);
  font: 0.7rem var(--mono);
  font-variant-numeric: tabular-nums;
}
.state { display: inline-flex; gap: 0.5rem; align-items: center; color: var(--accent); }
.state span { font-size: 0.65rem; }
.map-body { display: grid; grid-template-columns: minmax(0, 1fr) 10rem minmax(0, 1fr); min-height: 24rem; }
.process-side, .host-side { padding: 2rem 1.5rem; }
.map-label { margin-bottom: 0.5rem; color: var(--mist); font-size: 0.75rem; }
.process-side strong, .host-side strong { font: 600 0.82rem var(--mono); font-variant-numeric: tabular-nums; }
.process-side ul, .host-side ul {
  display: grid;
  gap: 0.9rem;
  margin: 2.5rem 0 0;
  padding: 0;
  color: var(--mist);
  font: 0.7rem/1.5 var(--mono);
  list-style: none;
}
.gate {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 1.25rem 0.75rem;
  border-inline: 1px solid var(--accent);
  background: #171611;
}
.gate > p { display: flex; justify-content: center; gap: 0.25rem; margin-bottom: 1.5rem; color: var(--accent); font-size: 0.72rem; font-weight: 700; white-space: nowrap; }
.gate ol { display: grid; gap: 1rem; margin: 0; padding: 0; list-style: none; }
.gate li { display: grid; gap: 0.25rem; padding-block: 0.75rem; border-block: 1px solid #423923; font: 0.62rem/1.35 var(--mono); }
.gate li span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gate li b { color: var(--accent); font-weight: 650; }
.gate li.denied b { color: var(--mist); }
.boundary-map figcaption { padding: 0.9rem 1rem; border-top: 1px solid var(--rule); color: var(--mist); font-size: 0.72rem; }

.boundary { padding-block: 7.5rem; border-block: 1px solid var(--rule); }
.section-intro { display: grid; grid-template-columns: 1fr 0.85fr; gap: 5rem; align-items: end; }
.section-intro h2, .ownership h2, .install h2 { margin-bottom: 0; font-size: clamp(2.5rem, 5.2vw, 4.8rem); line-height: 1; }
.section-intro p { margin-bottom: 0; color: var(--mist); }
.contract { margin-top: 5rem; border-block: 1px solid var(--rule); }
.contract-head, .contract article { display: grid; grid-template-columns: 1fr 1fr 10rem; gap: 2rem; }
.contract-head { padding-block: 0.75rem; color: var(--mist); font-size: 0.72rem; }
.contract-head span:last-child { grid-column: 3; }
.contract article { align-items: start; padding-block: 1.75rem; border-top: 1px solid var(--rule); }
.contract article > div { display: grid; grid-template-columns: 5rem 1fr; gap: 1rem; }
.step { color: var(--accent); font-size: 0.74rem; }
.contract h3 { margin-bottom: 0; font-size: 1rem; }
.contract article p { margin-bottom: 0; color: var(--mist); font-size: 0.88rem; }
.contract article > strong { font: 600 0.7rem var(--mono); text-align: right; }

.ownership { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid var(--rule); }
.ownership > div { padding-block: 6.5rem; }
.ownership > div:first-child { padding-right: 4rem; }
.ownership > div + div { padding-left: 4rem; border-left: 1px solid var(--rule); }
.ownership h2 { max-width: 12ch; font-size: clamp(2.2rem, 4vw, 3.7rem); }
.ownership ul { display: grid; gap: 0.85rem; margin: 2.5rem 0 0; padding-left: 1.2rem; color: var(--mist); }
.ownership li::marker { color: var(--accent); }

.install { display: grid; grid-template-columns: 0.72fr 1.28fr; gap: 5rem; align-items: center; padding-block: 7.5rem; }
.install h2 { margin-bottom: 1.5rem; }
.install-copy p { color: var(--mist); }
.install-copy > a { color: var(--accent); font-size: 0.9rem; font-weight: 650; }
.terminal { min-width: 0; border: 1px solid var(--rule); background: var(--graphite); }
.terminal-head { display: flex; justify-content: space-between; padding: 0.75rem 1rem; border-bottom: 1px solid var(--rule); color: var(--mist); font: 0.68rem var(--mono); }
.terminal pre { margin: 0; padding: 1.5rem; overflow-x: auto; color: #d5dbe0; font: 0.76rem/1.85 var(--mono); font-variant-numeric: tabular-nums; }
.prompt { color: var(--accent); }

footer { display: flex; justify-content: space-between; gap: 2rem; padding-block: 2rem; border-top: 1px solid var(--rule); color: var(--mist); font-size: 0.8rem; }
footer p { margin: 0; }
footer div { display: flex; gap: 1.5rem; }

@media (max-width: 960px) {
  .hero, .section-intro, .install { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .hero-copy { max-width: 44rem; }
  .boundary-map { max-width: 44rem; }
  .section-intro, .install { gap: 2.5rem; }
}

@media (max-width: 700px) {
  .site-header, main, footer { width: min(100% - 2rem, 78rem); }
  .site-header { min-height: 4.25rem; }
  nav a:not(:last-child) { display: none; }
  .hero { padding-block: 4rem 5rem; }
  h1 { font-size: clamp(3.8rem, 20vw, 5.8rem); }
  .facts { flex-wrap: wrap; gap: 1rem 1.5rem; }
  .boundary-map { margin-inline: -1rem; }
  .map-body { grid-template-columns: 1fr; }
  .process-side, .host-side { padding: 1.5rem 1rem; }
  .process-side ul, .host-side ul { margin-top: 1.25rem; }
  .gate { border-block: 1px solid var(--accent); border-inline: 0; }
  .gate ol { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; }
  .gate li { min-width: 0; }
  .boundary { padding-block: 5rem; }
  .contract { margin-top: 3rem; }
  .contract-head { display: none; }
  .contract article { grid-template-columns: 1fr; gap: 1rem; }
  .contract article > strong { text-align: left; }
  .ownership { grid-template-columns: 1fr; }
  .ownership > div { padding-block: 4.5rem; }
  .ownership > div:first-child { padding-right: 0; }
  .ownership > div + div { padding-left: 0; border-top: 1px solid var(--rule); border-left: 0; }
  .install { padding-block: 5rem; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}