:root {
  --canvas: #101010;
  --lift: #1d1a18;
  --stroke: #3d3a39;
  --hair: #1d1a18;
  --muted: #8a8380;
  --pale: #b8b3b0;
  --bone: #eeeeee;
  --chalk: #fafafa;
  --ink: #101010;
  --signal: #ee6018;
  --metric: #a0ca92;
  --sans: "Geist", Inter, system-ui, sans-serif;
  --mono: "Geist Mono", "IBM Plex Mono", ui-monospace, monospace;
  --max: 1200px;
  --gutter: 40px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
html, body { margin: 0; background: var(--canvas); color: var(--bone); font-family: var(--sans); font-weight: 400; }
body { font-size: 16px; line-height: 1.5; }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 1px solid var(--bone); outline-offset: 3px; }

.skip {
  position: absolute; left: -999px; top: 8px;
}
.skip:focus { left: 8px; background: var(--chalk); color: var(--ink); padding: 8px 12px; z-index: 20; }

.wrap { width: min(var(--max), calc(100% - 2 * var(--gutter))); margin: 0 auto; }
.eyebrow {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--pale); margin: 0 0 16px;
}
.eyebrow .pulse {
  display: inline-block; width: 6px; height: 6px; border-radius: 99px;
  background: var(--signal); margin-right: 8px; vertical-align: 1px;
}

h1, h2, h3 { font-weight: 400; letter-spacing: -0.025em; margin: 0; }
h1 { font-size: clamp(44px, 7vw, 72px); line-height: 1; letter-spacing: -0.04em; max-width: 16ch; }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.12; letter-spacing: -0.025em; }
h3 { font-size: 22px; line-height: 1.25; letter-spacing: -0.02em; }
.lede { font-size: 16px; line-height: 1.5; color: var(--muted); max-width: 42em; margin: 20px 0 0; }
.muted { color: var(--muted); }
.pale { color: var(--pale); }
.mono { font-family: var(--mono); font-size: 13px; letter-spacing: -0.02em; }

.site-header {
  height: 64px; display: flex; align-items: center;
  border-bottom: 1px solid var(--hair);
}
.site-header .wrap { display: flex; align-items: center; gap: 32px; width: min(var(--max), calc(100% - 2 * var(--gutter))); }
.wordmark {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.16em; text-transform: uppercase;
  text-decoration: none; color: var(--bone);
}
nav.primary { display: flex; gap: 20px; flex: 1; }
nav.primary a {
  font-size: 14px; text-decoration: none; color: var(--bone); text-transform: uppercase;
  letter-spacing: 0.04em;
}
nav.primary a[aria-current="page"] { color: var(--pale); }
.header-cta { margin-left: auto; display: flex; gap: 12px; align-items: center; }
.nav-drawer { display: none; position: relative; }
.nav-drawer summary {
  list-style: none; cursor: pointer; font-family: var(--mono); font-size: 12px;
  letter-spacing: 0.16em; text-transform: uppercase; padding: 8px 0; color: var(--bone);
}
.nav-drawer summary::-webkit-details-marker { display: none; }
.nav-drawer nav {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 200px; z-index: 30;
  background: var(--canvas); border: 1px solid var(--stroke); border-radius: 10px; padding: 8px 0;
}
.nav-drawer nav a {
  display: block; padding: 10px 16px; text-decoration: none; text-transform: uppercase;
  letter-spacing: 0.04em; font-size: 14px; color: var(--bone);
}
.nav-drawer nav a:hover { background: var(--lift); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--sans); font-size: 14px; font-weight: 400;
  text-decoration: none; border-radius: 3px; padding: 0 14px; height: 36px;
  border: 0; cursor: pointer; transition: background 160ms var(--ease), color 160ms var(--ease);
}
.btn-light { background: var(--chalk); color: var(--ink); }
.btn-light:hover { background: #fff; }
.btn-dark { background: var(--ink); color: var(--bone); }
.btn-ghost {
  background: transparent; color: var(--bone); border: 1px solid var(--stroke); border-radius: 0; height: auto; padding: 10px 14px;
}
.btn-ghost:hover { border-color: var(--pale); }

.hero { padding: 96px 0 80px; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 32px; }
.hero-meta { margin-top: 16px; color: var(--muted); font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }

.frame {
  margin-top: 80px; background: #0d0d0d; border: 1px solid var(--stroke); border-radius: 10px; overflow: hidden;
}
.frame-bar {
  display: flex; align-items: center; gap: 8px; padding: 10px 14px; border-bottom: 1px solid var(--hair);
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pale);
}
.dots { display: flex; gap: 6px; }
.dots i { width: 8px; height: 8px; border-radius: 99px; background: #3d3a39; display: block; }
.frame-body { display: grid; grid-template-columns: 48px 220px 1fr; min-height: 320px; }
.rail { border-right: 1px solid var(--hair); padding: 12px 8px; display: flex; flex-direction: column; gap: 8px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.rail span { height: 28px; display: grid; place-items: center; border-radius: 3px; }
.rail span.on { background: var(--lift); color: var(--bone); }
.side { border-right: 1px solid var(--hair); padding: 16px; }
.side .label { font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--pale); margin-bottom: 12px; }
.side p { margin: 0; color: var(--muted); font-size: 13px; }
.term { padding: 20px 22px; font-family: var(--mono); font-size: 13px; line-height: 1.7; color: #c8c4bf; }
.term .ok { color: var(--metric); }
.term .warn { color: var(--signal); }
.term .prompt { color: var(--bone); }

.section { padding: 96px 0; }
.section + .section { border-top: 1px solid var(--hair); }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.prose { max-width: 42em; }
.prose p { color: var(--muted); margin: 0 0 16px; }
.prose p:last-child { margin-bottom: 0; }
.prose ul { margin: 0; padding: 0 0 0 1.15em; color: var(--muted); }
.prose li { margin: 0 0 8px; }
.prose a { color: var(--bone); }

.facts { display: grid; gap: 0; border: 1px solid var(--hair); border-radius: 10px; overflow: hidden; }
.fact { padding: 20px 24px; border-top: 1px solid var(--hair); }
.fact:first-child { border-top: 0; }
.fact dt {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pale); margin: 0 0 8px;
}
.fact dd { margin: 0; font-size: 22px; line-height: 1.25; letter-spacing: -0.02em; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.card {
  border: 1px solid var(--hair); border-radius: 10px; padding: 20px;
}
.card h3 { margin-bottom: 8px; }
.card p { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.5; }
.card a { display: inline-block; margin-top: 16px; font-size: 14px; }

.dispatch {
  background: var(--bone); color: var(--ink); border-radius: 10px; padding: 40px;
}
.dispatch .eyebrow { color: #6a6461; }
.dispatch .eyebrow .pulse { background: var(--signal); }
.dispatch h2 { color: var(--ink); max-width: 16ch; }
.dispatch p { color: #4d4947; margin: 16px 0 24px; max-width: 38em; }
.dispatch .btn-dark:hover { background: #000; }

.log { border-top: 1px solid var(--hair); }
.log article { padding: 40px 0; border-bottom: 1px solid var(--hair); }
.log header { display: flex; gap: 16px; align-items: baseline; margin-bottom: 12px; flex-wrap: wrap; }
.log time { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pale); }
.log h2 { font-size: 28px; }
.log ul { margin: 0; padding: 0 0 0 1.1em; color: var(--muted); }
.log li { margin: 0 0 6px; }

.hash {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  font-family: var(--mono); font-size: 12px; color: var(--pale); word-break: break-all;
}
.hash code { color: var(--bone); font-size: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 12px 0; border-bottom: 1px solid var(--hair); vertical-align: top; }
th { font-family: var(--mono); font-size: 12px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--pale); font-weight: 400; }
td.muted { color: var(--muted); }

.site-footer { border-top: 1px solid var(--hair); padding: 56px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; }
.site-footer h2 { font-size: 14px; font-weight: 500; margin-bottom: 12px; }
.site-footer a { display: block; color: var(--muted); text-decoration: none; font-size: 14px; margin: 0 0 8px; }
.site-footer a:hover { color: var(--bone); }
.legal { margin-top: 48px; color: var(--muted); font-size: 12px; font-family: var(--mono); letter-spacing: 0.04em; }

@media (max-width: 900px) {
  :root { --gutter: 20px; }
  nav.primary { display: none; }
  .nav-drawer { display: block; }
  .frame-body, .split, .cards, .foot-grid { grid-template-columns: 1fr; }
  .frame-body { min-height: 0; }
  .rail, .side { display: none; }
  .hero { padding: 64px 0 48px; }
  .section { padding: 64px 0; }
  .dispatch { padding: 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}