:root {
  --bg: #ffffff;
  --surface: #f6f5fa;
  --text: #0a0a0f;
  --muted: #474b57;
  --faint: #6b7080;
  --border: #d4d2de;
  --line: rgba(10, 10, 15, 0.06);
  --accent: #6d28d9;
  --accent-ink: #ffffff;
  --signal: #3f6212;
  --warn: #a16207;
  --term-bg: #11111b;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --display: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07070a;
    --surface: #101017;
    --text: #f5f5f8;
    --muted: #b6bac6;
    --faint: #8a8f9e;
    --border: #2b2b38;
    --line: rgba(255, 255, 255, 0.045);
    --accent: #b197fc;
    --accent-ink: #07070a;
    --signal: #a3e635;
    --warn: #fbbf24;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 var(--sans);
}

::selection { background: var(--accent); color: var(--accent-ink); }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

code, pre { font-family: var(--mono); font-size: 0.86em; }
p code, h3 code, li code {
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 0.05em 0.35em;
}

main, .top, footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 22px;
  padding-bottom: 22px;
  position: relative;
  z-index: 1;
}
.brand img { display: block; height: 25px; width: auto; }
.top nav { display: flex; gap: 24px; font: 500 14px var(--mono); }
.top nav a { color: var(--muted); }
.top nav a:hover { color: var(--accent); text-decoration: none; }

/* Sections */
section { padding: 72px 0; }

.label {
  font: 500 13px var(--mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 14px;
}
.label::before { content: "// "; color: var(--faint); }

h1, h2, h3 { font-family: var(--display); }
h1 {
  font-size: clamp(38px, 6.4vw, 72px);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0 0 28px;
  max-width: 15em;
}
h1 em { font-style: normal; color: var(--accent); }
h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.025em;
  margin: 0 0 32px;
}
h3 { font-size: 19px; font-weight: 700; letter-spacing: -0.01em; margin: 0 0 8px; }

.caret {
  display: inline-block;
  width: 0.5em;
  height: 0.82em;
  margin-left: 0.12em;
  vertical-align: -0.04em;
  background: var(--signal);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* Hero */
.hero { position: relative; padding-top: 64px; }
.hero::before {
  content: "";
  position: absolute;
  inset: -120px -50vw 0;
  z-index: -1;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  background-position: center top;
  mask-image: radial-gradient(ellipse 60% 70% at 50% 30%, #000 30%, transparent 100%);
}
.eyebrow {
  display: inline-block;
  font: 500 13px var(--mono);
  color: var(--muted);
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 5px 12px;
  margin: 0 0 28px;
}
.ok { color: var(--signal); }
.lede {
  font-size: 19px;
  color: var(--muted);
  max-width: 38em;
  margin: 0 0 40px;
}

/* Install */
.install { max-width: 860px; }
.tabs { display: flex; }
.tabs button {
  font: 500 13px var(--mono);
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-bottom: none;
  margin-right: -1px;
  padding: 8px 16px;
  cursor: pointer;
}
.tabs button:hover { color: var(--text); }
.tabs button[aria-selected="true"] {
  color: var(--accent-ink);
  background: var(--accent);
  border-color: var(--accent);
}
.cmd {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--text);
  box-shadow: 6px 6px 0 var(--accent);
  padding: 16px 16px 16px 20px;
}
.cmd[hidden] { display: none; }
.cmd code {
  flex: 1;
  min-width: 0;
  overflow-wrap: anywhere;
  font-size: 14.5px;
  font-weight: 500;
}
.p { color: var(--signal); font-weight: 700; user-select: none; }
.copy {
  flex: none;
  font: 700 12px var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--text);
  padding: 7px 12px;
  cursor: pointer;
}
.copy:hover { background: var(--text); color: var(--bg); }
.note { font-size: 14.5px; color: var(--faint); margin: 22px 0 0; }

/* Demo */
.demo { padding-top: 8px; }
.window {
  background: var(--term-bg);
  border: 1px solid var(--text);
  box-shadow: 10px 10px 0 var(--accent);
}
.bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  background: #181825;
  border-bottom: 1px solid #2b2b38;
  font: 500 12px var(--mono);
  color: #8a8f9e;
}
.bar::before {
  content: "";
  width: 10px;
  height: 10px;
  background: #a3e635;
}
.window img { display: block; width: 100%; height: auto; }
.caption { font: 13.5px/1.6 var(--mono); color: var(--faint); margin: 26px 0 0; }
.caption code { color: var(--text); background: none; border: none; padding: 0; font-size: 1em; }

/* Features */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
}
.grid article {
  background: var(--bg);
  padding: 26px 26px 28px;
  border-top: 3px solid transparent;
  transition: border-color 0.15s, background-color 0.15s;
}
.grid article:hover { border-top-color: var(--accent); background: var(--surface); }
.grid p { margin: 0; color: var(--muted); font-size: 15.5px; }

/* Agents */
.sub { color: var(--muted); max-width: 40em; margin: -14px 0 32px; }
.table { border-top: 1px solid var(--text); }
.row {
  display: grid;
  grid-template-columns: 160px 1fr auto;
  gap: 8px 24px;
  align-items: baseline;
  padding: 14px 4px;
  border-bottom: 1px solid var(--border);
}
.row code { font-size: 15px; font-weight: 700; color: var(--accent); }
.row span { color: var(--text); }
.st { font: 500 12.5px var(--mono); text-align: right; }
.st::before { content: "■ "; }
.st.ok { color: var(--signal); }
.st.wait { color: var(--warn); }
.more { margin: 22px 0 0; font: 500 14px var(--mono); }

/* Quick start */
.quick pre {
  background: var(--term-bg);
  color: #e6e6ef;
  border: 1px solid var(--text);
  padding: 22px 24px;
  margin: 0;
  overflow-x: auto;
  line-height: 1.85;
}
.quick pre code { font-size: 14px; }
.quick .p { color: #a3e635; }
.c { color: #7f849c; }

/* Docs */
.docs .label { margin-bottom: 20px; }
.doclist {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 0 40px;
  border-top: 1px solid var(--text);
}
.doclist li { padding: 12px 0; border-bottom: 1px solid var(--border); }
.doclist a { font-family: var(--display); font-weight: 700; color: var(--text); margin-right: 10px; }
.doclist a::after { content: " →"; color: var(--accent); }
.doclist a:hover { color: var(--accent); text-decoration: none; }
.doclist span { color: var(--faint); font-size: 15px; }

footer {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border);
  padding-top: 28px;
  padding-bottom: 48px;
  font: 13px var(--mono);
  color: var(--faint);
}
footer p { margin: 0; }
footer a { color: var(--muted); }
footer a:hover { color: var(--accent); }

@media (prefers-reduced-motion: reduce) {
  .caret { animation: none; }
  .grid article { transition: none; }
}

@media (max-width: 640px) {
  body { font-size: 16px; }
  main, .top, footer { padding: 0 16px; }
  .top { padding-top: 16px; padding-bottom: 16px; }
  .top nav { gap: 14px; }
  .top nav .gh { display: none; }
  section { padding: 52px 0; }
  .hero { padding-top: 36px; }
  .eyebrow { font-size: 11.5px; }
  .lede { font-size: 17px; }
  .cmd { box-shadow: 4px 4px 0 var(--accent); }
  .window { box-shadow: 5px 5px 0 var(--accent); }
  .row { grid-template-columns: 1fr; gap: 2px; }
  .st { text-align: left; }
  footer { padding-top: 24px; padding-bottom: 36px; }
}