:root {
  --paper: #e7eef2;
  --ink: #141b22;
  --mute: #5a6873;
  --rule: #c3ced6;
  --brass: #6d5a3a;
  --signal: #2f4a40;
  --halt: #8a3535;
  --well: #10161c;
  --foam: #dce6ec;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--paper);
  color: var(--ink);
}

body {
  font-family: "Source Sans 3", "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.55;
}

.stage {
  position: relative;
  min-height: 100vh;
  background: var(--well);
  color: var(--foam);
}

#world {
  display: block;
  width: 100%;
  height: 100vh;
  cursor: grab;
}

#world:active {
  cursor: grabbing;
}

.stage .bar {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 3;
  padding: 1.2rem 1.6rem 0;
}

.stage .mark,
.stage nav a {
  color: var(--foam);
}

.stage nav a {
  color: #9aa8b2;
}

.stage nav a:hover {
  color: var(--foam);
}

.hud {
  position: absolute;
  left: 1.6rem;
  bottom: 1.4rem;
  z-index: 3;
  width: min(34rem, calc(100% - 20rem));
  pointer-events: auto;
}

.hud .kicker {
  color: #c4a574;
}

.hud .tick {
  margin: 0;
  font-size: clamp(3rem, 8vw, 6.2rem);
  color: var(--foam);
}

.hud h1 {
  margin: 0 0 0.35rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
  max-width: 22ch;
  color: var(--foam);
}

.hud .stats {
  margin-top: 0.6rem;
}

.hud .stats div {
  border-top-color: #2a343c;
}

.hud .stats dt,
.hud .hint,
.hud .live {
  color: #8b99a3;
}

.hud .stats dd {
  color: var(--foam);
}

.tape {
  position: absolute;
  top: 4.4rem;
  right: 1.2rem;
  z-index: 3;
  width: min(18rem, 34vw);
  max-height: calc(100vh - 5.4rem);
  overflow: auto;
}

.tape .kicker {
  color: #c4a574;
}

.tape .list li,
.tape .record li {
  border-top-color: #2a343c;
  color: var(--foam);
}

.tape .empty,
.tape .patch {
  color: #8b99a3;
}

#ribbon {
  display: block;
  width: 100%;
  height: 56px;
  margin-top: 0.85rem;
  border: 1px solid #2a343c;
  background: #0c1116;
}

.bar,
main,
.foot {
  position: relative;
  z-index: 2;
}

.bar {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.4rem 4.5rem 0;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: inherit;
  text-decoration: none;
}

.mark img {
  width: 1.45rem;
  height: 1.45rem;
  border: 1px solid var(--rule);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 1.1rem;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

nav a,
.foot a,
.kits a {
  color: var(--mute);
  text-decoration: none;
}

nav a:hover,
.foot a:hover,
.kits a:hover {
  color: var(--ink);
}

main {
  max-width: 68rem;
  margin: 0 auto;
  padding: 4.5rem 4.5rem 5rem;
}

.kicker {
  margin: 0 0 0.7rem;
  color: var(--brass);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
.tick {
  font-family: "Fraunces", Georgia, serif;
  font-weight: 480;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

h1 {
  margin: 0 0 1.25rem;
  font-size: clamp(2.6rem, 6vw, 4.6rem);
  max-width: 16ch;
}

h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  max-width: 18ch;
}

.lede,
.copy p,
.hint {
  color: var(--mute);
}

.lede {
  margin: 0;
  max-width: 38rem;
  font-size: 1.12rem;
}

.hero {
  display: grid;
  gap: 2.2rem;
}

@media (min-width: 960px) {
  .hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(14rem, 0.95fr);
    align-items: end;
    gap: 3rem;
  }
}

.hero-art {
  margin: 0;
}

.hero-art img {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--rule);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.8rem;
}

.btn {
  appearance: none;
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font: inherit;
  font-size: 0.88rem;
  padding: 0.62rem 0.95rem;
  text-decoration: none;
  cursor: pointer;
}

.btn.quiet,
a.btn.quiet {
  background: transparent;
  color: var(--ink);
}

.btn:hover,
.btn:focus-visible {
  background: var(--signal);
  border-color: var(--signal);
  color: var(--paper);
  outline: 2px solid var(--brass);
  outline-offset: 2px;
}

.theses {
  display: grid;
  gap: 2rem;
  margin-top: 5rem;
  padding-top: 1.6rem;
  border-top: 1px solid var(--rule);
}

@media (min-width: 860px) {
  .theses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2.5rem;
  }
}

.theses h2 {
  margin: 0 0 0.85rem;
  font-size: clamp(1.35rem, 2.2vw, 1.7rem);
  max-width: 14ch;
}

.theses p {
  margin: 0;
  color: var(--mute);
  font-size: 0.98rem;
}

.pulse {
  margin: 5rem 0 0;
  padding-top: 1.4rem;
  border-top: 1px solid var(--rule);
}

.tick {
  margin: 0;
  font-size: clamp(3.2rem, 10vw, 7rem);
  font-variant-numeric: tabular-nums;
}

.stats {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 1.2rem 0 0.6rem;
}

.stats div {
  padding: 0.7rem 0.8rem 0.7rem 0;
  border-top: 1px solid var(--rule);
}

.stats dt {
  color: var(--mute);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stats dd {
  margin: 0.2rem 0 0;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 1.15rem;
}

.live {
  margin: 0;
  color: var(--mute);
  font-size: 0.85rem;
}

.live[data-state="up"] {
  color: var(--signal);
}

.live[data-state="down"] {
  color: var(--halt);
}

.sight-ctrl {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.7rem;
}

.sight-ctrl label {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: #8b99a3;
}

.sight-ctrl input[type="range"] {
  width: 100%;
  accent-color: var(--brass);
}

.sight-side {
  display: grid;
  gap: 1.6rem;
}

#happening {
  max-height: 22rem;
}

.dot {
  display: inline-block;
  width: 0.55rem;
  height: 0.55rem;
  margin-right: 0.4rem;
  vertical-align: middle;
}

.dot.nexus { background: var(--brass); }
.dot.cairn { background: var(--ink); }
.dot.vantage { background: var(--signal); }
.dot.hollow { background: var(--mute); }

.split {
  display: grid;
  gap: 2rem;
  margin-top: 5rem;
}

@media (min-width: 860px) {
  .split {
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
  }
}

.copy p {
  margin: 0 0 1rem;
}

.facts {
  margin: 1.2rem 0 0;
  padding: 0;
  list-style: none;
}

.facts li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule);
  color: var(--ink);
  font-size: 0.95rem;
}

.panel,
.ledger {
  margin-top: 4.5rem;
}

.panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-end;
  margin-bottom: 1rem;
}

.panel-head .hint,
.well .hint {
  margin: 0.45rem 0 0;
  max-width: 40rem;
}

.sheet {
  margin: 0;
  overflow: auto;
  padding: 1.05rem 1.1rem;
  background: var(--well);
  color: var(--foam);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.74rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.sheet.tight {
  min-height: 8rem;
}

#brief,
#skill-install,
#api-sheet {
  min-height: 12rem;
  max-height: 22rem;
}

.build-facts {
  margin-top: 1.6rem;
}

.kits .hint a {
  margin-right: 0.55rem;
}

.kits {
  display: grid;
  gap: 1rem;
  margin-top: 1rem;
}

@media (min-width: 860px) {
  .kits {
    grid-template-columns: 1fr 1fr;
  }
}

.kit-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 0.45rem;
}

h3 {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--brass);
}

.ledger {
  display: grid;
  gap: 1rem;
}

@media (min-width: 860px) {
  .ledger {
    grid-template-columns: 1fr 1fr;
  }

  .wide {
    grid-column: 1 / -1;
  }
}

.well {
  padding: 1.1rem 0 0;
  border-top: 1px solid var(--rule);
}

.list,
.record {
  list-style: none;
  margin: 0.4rem 0 0;
  padding: 0;
}

.list li,
.record li {
  padding: 0.7rem 0;
  border-top: 1px solid var(--rule);
  font-size: 0.92rem;
}

.empty,
.patch {
  color: var(--mute);
}

.patch {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.78rem;
}

.record {
  max-height: 18rem;
  overflow: auto;
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
}

.foot {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0 4.5rem 3rem;
  color: var(--mute);
  font-size: 0.85rem;
}

code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.86em;
}

@media (max-width: 800px) {
  .bar,
  main,
  .foot {
    padding-left: 2.2rem;
    padding-right: 1.2rem;
  }

  .hud {
    width: calc(100% - 2.2rem);
    left: 1.1rem;
  }

  .tape {
    position: relative;
    top: auto;
    right: auto;
    width: auto;
    max-height: none;
    padding: 0 1.1rem 1.4rem;
    background: var(--well);
  }

  .stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}