:root {
  --bg: #ffffff;
  --ink: #111111;
  --muted: #5c5c5c;
  --line: #e8e8e8;
  --sans: "Inter", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --gutter: clamp(1.25rem, 5vw, 5.5rem);
  --pane: #0c0c0e;
  --pane-ink: #eceae4;
  --pane-dim: #8c8980;
  --acid: #7aa2ff;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--ink); }
body {
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 1px solid var(--ink); outline-offset: 3px; }

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 80;
  background: var(--ink);
  color: #fff;
  padding: 0.5rem 0.8rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.skip:focus { top: 1rem; }

.kicker {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.sw-hero {
  padding: 8.5rem var(--gutter) 4.5rem;
  max-width: 46rem;
}
.sw-hero h1 {
  margin-top: 0.7rem;
  font-weight: 500;
  font-size: clamp(2.1rem, 4.8vw, 3.6rem);
  letter-spacing: -0.035em;
  line-height: 1.06;
}
.lede {
  margin-top: 1.1rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
  max-width: 34rem;
}

.feat {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 4rem;
  align-items: center;
  padding: 4.5rem var(--gutter);
  border-top: 1px solid var(--line);
}
.feat-flip { grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); }
.feat-flip .feat-copy { order: 2; }
.feat-copy h2 {
  margin: 0.65rem 0 0.85rem;
  font-weight: 500;
  font-size: clamp(1.55rem, 2.8vw, 2.15rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.feat-copy p:not(.kicker) {
  color: var(--muted);
  font-size: 1.02rem;
  line-height: 1.6;
  max-width: 28rem;
}

.pane {
  background: var(--pane);
  color: var(--pane-ink);
  border: 1px solid #1c1c1f;
  min-height: 20rem;
  overflow: hidden;
}
.pane-bar {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid #222226;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pane-dim);
}
.pane-bar i {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: #2a2a2e;
}
.pane-bar span { margin-left: 0.55rem; color: var(--pane-ink); }
.pane-bar em { margin-left: auto; font-style: normal; }

.swarm {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.swarm li {
  display: grid;
  grid-template-columns: 0.7rem 1fr auto;
  gap: 0.55rem;
  align-items: baseline;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid #1c1c1f;
  border-right: 1px solid #1c1c1f;
  font-family: var(--mono);
  font-size: 0.72rem;
}
.swarm li:nth-child(2n),
.swarm li:last-child { border-right: none; }
.swarm li:last-child { grid-column: 1 / -1; }
.swarm b { display: none; }
.swarm span { color: var(--pane-ink); }
.swarm em { font-style: normal; color: var(--pane-dim); }
.swarm li::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  margin-top: 0.28rem;
  background: #3a3a40;
}
.swarm li.is-run::before { background: #5d8cff; box-shadow: 0 0 0 3px rgba(93, 140, 255, 0.18); }
.swarm li.is-rev::before { background: #c9a227; }
.swarm li.is-wait::before { background: #5a5a62; }

.arch { padding: 1.15rem 1.15rem 1.4rem; }
.arch-obj {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 1.1rem;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--pane-dim);
}
.arch-obj span {
  font-family: var(--sans);
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  text-transform: none;
  color: var(--pane-ink);
}
.arch ol { list-style: none; }
.arch li {
  display: grid;
  grid-template-columns: 1.8rem 6.2rem 1fr;
  gap: 0.7rem;
  padding: 0.7rem 0;
  border-top: 1px solid #222226;
  font-size: 0.88rem;
}
.arch i {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--pane-dim);
  padding-top: 0.2rem;
}
.arch b { font-weight: 500; }
.arch span { color: var(--pane-dim); }
.arch li.is-now { color: var(--acid); }
.arch li.is-now span { color: #9db6ff; }

.graph {
  display: block;
  width: 100%;
  height: auto;
  padding: 1.6rem 1.2rem 1.8rem;
  color: #3a3a40;
}
.graph .nodes rect {
  fill: #141416;
  stroke: #2a2a30;
}
.graph .nodes rect.is-on {
  fill: #172033;
  stroke: #5d8cff;
}
.graph .labels text {
  fill: var(--pane-ink);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-anchor: middle;
}

.cli {
  display: grid;
  grid-template-columns: minmax(0, 0.75fr) minmax(0, 1.25fr);
  gap: 3.5rem;
  align-items: end;
  padding: 5.5rem var(--gutter) 6rem;
  border-top: 1px solid var(--line);
}
.cli-lockup { max-width: 22rem; }
.cli-lockup img {
  width: 2.6rem;
  height: auto;
  background: transparent;
  margin-bottom: 1.1rem;
}
.cli-mark {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.cli-mark span {
  font-size: 0.55rem;
  letter-spacing: 0;
  vertical-align: super;
  margin-left: 0.12em;
}
.cli h2 {
  margin: 0.55rem 0 0.8rem;
  font-weight: 500;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  letter-spacing: -0.03em;
}
.cli-lockup p:not(.cli-mark) {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.55;
}
.term-body {
  margin: 0;
  padding: 1.2rem 1.15rem 1.4rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--pane-ink);
  white-space: pre-wrap;
}
.term-body .p { color: var(--acid); margin-right: 0.45rem; }
.term-out { display: block; color: var(--pane-dim); padding: 0.1rem 0 0.55rem 1.05rem; }
.term-line { display: block; }
.caret {
  display: inline-block;
  width: 0.45em;
  height: 1em;
  margin-left: 0.08em;
  background: var(--pane-ink);
  vertical-align: -0.15em;
  animation: blink 1s steps(1) infinite;
}
@keyframes blink {
  50% { opacity: 0; }
}

@media (max-width: 900px) {
  .feat,
  .feat-flip,
  .cli { grid-template-columns: 1fr; gap: 1.8rem; }
  .feat-flip .feat-copy { order: 0; }
  .swarm { grid-template-columns: 1fr; }
  .swarm li { border-right: none; }
  .arch li { grid-template-columns: 1.8rem 1fr; }
  .arch li span { grid-column: 2; }
}