:root {
  color-scheme: dark;
  --night: #060a13;
  --deep: #0a1120;
  --surface: #101a2d;
  --surface-2: #152239;
  --line: #283752;
  --ink: #edf4ff;
  --muted: #9aabc5;
  --accent: #70dfc3;
  --display: "Avenir Next Condensed", "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --body: "Avenir Next", Avenir, "Segoe UI", sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

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

a { color: inherit; }
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  padding: 0.65rem 0.9rem;
  background: var(--ink);
  color: var(--night);
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }

.site-header,
main,
footer {
  width: min(100% - 3rem, 76rem);
  margin-inline: auto;
}
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
}
.star-mark {
  width: 0.7rem;
  aspect-ratio: 1;
  background: var(--accent);
  border-radius: 50%;
}
nav { display: flex; gap: clamp(1rem, 3vw, 2rem); }
nav a, footer a { color: var(--muted); font-size: 0.875rem; text-decoration: none; }
nav a:hover, footer a:hover { color: var(--ink); }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(23rem, 0.9fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
  min-height: calc(100svh - 5rem);
  padding-block: 5rem;
}
.constellation {
  margin: 0 0 1.4rem;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 650;
}
h1, h2, h3, p { margin-top: 0; }
h1, h2 { font-family: var(--display); text-wrap: balance; }
p { text-wrap: pretty; }
h1 {
  max-width: 9ch;
  margin-bottom: 1.5rem;
  font-size: clamp(4.8rem, 11vw, 8.5rem);
  font-weight: 650;
  line-height: 0.82;
}
.lede {
  max-width: 38rem;
  margin-bottom: 2rem;
  color: #c3cfe2;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  line-height: 1.65;
}
.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }
.button {
  display: inline-flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 650;
  text-decoration: none;
}
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--night); }
.button:hover { border-color: var(--accent); }
.button.primary:hover { background: color-mix(in srgb, var(--accent) 80%, white); }
.facts {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin: 2.25rem 0 0;
  padding: 0;
  color: var(--muted);
  font-size: 0.8rem;
  list-style: none;
}
.facts strong { color: var(--ink); font-weight: 650; }

.instrument {
  position: relative;
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25);
}
.instrument-head {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3rem;
  padding-inline: 1rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font: 0.72rem var(--mono);
}
.signal { display: inline-flex; align-items: center; gap: 0.55rem; color: var(--accent); }
.signal::before { width: 0.45rem; aspect-ratio: 1; border-radius: 50%; background: currentColor; box-shadow: 0 0 0.8rem currentColor; content: ""; }
.instrument-body { position: relative; min-height: 25rem; padding: 1.5rem; font-family: var(--mono); font-variant-numeric: tabular-nums; }
.command { margin-bottom: 1.5rem; color: var(--muted); font-size: 0.78rem; }
.command b { color: var(--accent); font-weight: 500; }
.rows { border: 1px solid var(--line); background: rgb(6 10 19 / 0.58); }
.row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: center;
  min-height: 3.25rem;
  padding: 0.65rem 0.8rem;
  color: #cbd7e8;
  font-size: 0.74rem;
}
.row + .row { border-top: 1px solid var(--line); }
.row strong { color: var(--ink); font-weight: 550; }
.row small { color: var(--muted); font-size: 0.68rem; }
.path { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hit { color: var(--night); background: var(--accent); }
.tag { padding: 0.18rem 0.4rem; border: 1px solid var(--line); color: var(--accent); font-size: 0.66rem; white-space: nowrap; }
.stream { display: grid; gap: 0.75rem; }
.message { max-width: 88%; padding: 0.8rem 0.9rem; border-left: 2px solid var(--accent); background: rgb(6 10 19 / 0.66); color: #ccd8e9; font-size: 0.74rem; }
.message:nth-child(even) { justify-self: end; border-color: var(--accent); }
.message small { display: block; margin-bottom: 0.3rem; color: var(--muted); }
.meter { display: grid; grid-template-columns: 5.5rem 1fr auto; gap: 0.75rem; align-items: center; color: var(--muted); font-size: 0.68rem; }
.meter + .meter { margin-top: 1rem; }
.track { height: 0.28rem; background: var(--line); }
.track i { display: block; width: var(--value); height: 100%; background: var(--accent); }
.diagram { position: relative; min-height: 20rem; }
.node { position: absolute; width: 7.5rem; padding: 0.7rem; border: 1px solid var(--line); background: var(--deep); color: var(--muted); font-size: 0.68rem; }
.node strong { display: block; margin-bottom: 0.25rem; color: var(--ink); font-size: 0.75rem; }
.node.core { inset: 38% auto auto 37%; border-color: var(--accent); }
.node.nw { inset: 4% auto auto 2%; }
.node.ne { inset: 2% 1% auto auto; }
.node.sw { inset: auto auto 3% 5%; }
.node.se { inset: auto 2% 5% auto; }
.orbit { position: absolute; inset: 19% 13%; border: 1px solid color-mix(in srgb, var(--accent) 45%, transparent); border-radius: 50%; transform: rotate(-9deg); }
.code {
  min-height: 12rem;
  margin: 0;
  overflow-x: auto;
  color: #cbd7e8;
  font: 0.76rem/1.85 var(--mono);
  white-space: pre;
}
.code .key { color: var(--accent); }
.code .value { color: var(--accent); }
.code .dim { color: var(--muted); }

.features { padding-block: 7rem; border-block: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 4rem; align-items: end; }
h2 { margin-bottom: 0; font-size: clamp(2.6rem, 6vw, 5rem); line-height: 0.98; }
.section-heading p, .install-copy p { margin-bottom: 0; color: var(--muted); }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 4rem; border-top: 1px solid var(--line); }
.feature-grid article { padding: 2rem 2rem 0 0; }
.feature-grid article + article { padding-left: 2rem; border-left: 1px solid var(--line); }
h3 { margin-bottom: 0.8rem; font-size: 1.05rem; }
.feature-grid p { margin-bottom: 0; color: var(--muted); font-size: 0.9rem; }

.install { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 5rem; align-items: center; padding-block: 7rem; }
.install h2 { margin-bottom: 1.5rem; }
.terminal { min-width: 0; border: 1px solid var(--line); background: var(--deep); }
.terminal-bar { padding: 0.7rem 1rem; border-bottom: 1px solid var(--line); color: var(--muted); font: 0.68rem var(--mono); }
.terminal pre { margin: 0; padding: 1.3rem; overflow-x: auto; color: #d5deeb; font: 0.77rem/1.8 var(--mono); }
.terminal .prompt { color: var(--accent); }

footer { display: flex; justify-content: space-between; gap: 2rem; padding-block: 2rem; color: var(--muted); font-size: 0.8rem; }
footer p { margin: 0; }
footer div { display: flex; gap: 1.5rem; }

@media (max-width: 880px) {
  .hero, .section-heading, .install { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .instrument { max-width: 38rem; }
  .section-heading, .install { gap: 2.5rem; }
}

@media (max-width: 620px) {
  .site-header, main, footer { width: min(100% - 2rem, 76rem); }
  .site-header { min-height: 4.25rem; }
  nav a:not(:last-child) { display: none; }
  .hero { padding-block: 3.5rem 4.5rem; }
  h1 { font-size: clamp(4.1rem, 23vw, 6.25rem); }
  .instrument { margin-inline: -1rem; }
  .instrument-body { min-height: 22rem; padding: 1rem; }
  .facts { gap: 0.75rem 1rem; }
  .features, .install { padding-block: 4.5rem; }
  .feature-grid { grid-template-columns: 1fr; margin-top: 2.5rem; }
  .feature-grid article { padding: 1.5rem 0; }
  .feature-grid article + article { padding-left: 0; border-top: 1px solid var(--line); border-left: 0; }
  footer { flex-direction: column; }
}

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