:root {
  --paper: #f3f3f5;
  --surface: #ffffff;
  --ink: #18181b;
  --muted: #5c5c66;
  --line: #dcdce2;
  --thread: #6e56cf;
  --code-bg: #1d1d22;
  --code-ink: #e8e8ee;
  --code-tag: #b9a8f5;
  --code-attr: #8fc5a8;
  --font: 'Geist', system-ui, sans-serif;
  --mono: 'Geist Mono', ui-monospace, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --paper: #141417;
    --surface: #1c1c21;
    --ink: #ededf1;
    --muted: #a0a0ab;
    --line: #2e2e36;
    --thread: #9d88f0;
    --code-bg: #0f0f12;
    color-scheme: dark;
  }
}
:root[data-theme='dark'] {
  --paper: #141417;
  --surface: #1c1c21;
  --ink: #ededf1;
  --muted: #a0a0ab;
  --line: #2e2e36;
  --thread: #9d88f0;
  --code-bg: #0f0f12;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.6 var(--font);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--thread); outline-offset: 3px; border-radius: 6px; }

.wrap { width: min(1120px, 100% - 32px); margin-inline: auto; }

/* Header */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 18px; text-decoration: none; }
.brand img { width: 32px; height: 32px; }
.top nav { display: flex; align-items: center; gap: 20px; font-size: 15px; color: var(--muted); }
.top nav a { text-decoration: none; }
.top nav a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 56px 0 40px; }
.hero h1 {
  margin: 0;
  max-width: 18ch;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1;
  letter-spacing: -0.045em;
  font-weight: 650;
}
.hero p.lead { max-width: 56ch; margin: 24px 0 0; font-size: clamp(18px, 2.2vw, 21px); color: var(--muted); }
.agents { margin: 18px 0 0; font-size: 15px; color: var(--muted); }
.agents strong { color: var(--ink); font-weight: 550; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 20px; border-radius: 10px;
  font-weight: 550; font-size: 16px; text-decoration: none;
  border: 1px solid var(--line); background: var(--surface);
}
.btn.primary { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn:hover { border-color: var(--thread); }
.note { margin-top: 14px; font-size: 14px; color: var(--muted); }

.shot {
  position: relative;
  margin-top: 56px;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 30px 80px -30px rgb(40 30 90 / 35%);
  background: var(--surface);
}

/* Sections */
section { padding: 72px 0 0; }
h2 { font-size: clamp(28px, 4vw, 40px); line-height: 1.1; letter-spacing: -0.03em; font-weight: 620; margin: 0 0 12px; max-width: 22ch; }
.sub { color: var(--muted); margin: 0; max-width: 60ch; }

.steps { list-style: none; padding: 0; margin: 36px 0 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; border-top: 2px solid var(--ink); }
.steps li { padding: 18px 20px 0 0; }
.steps li b { display: block; font-size: 15px; color: var(--thread); font-weight: 600; margin-bottom: 6px; }
.steps li h3 { margin: 0 0 6px; font-size: 19px; letter-spacing: -0.01em; font-weight: 600; }
.steps li p { margin: 0; color: var(--muted); font-size: 15.5px; }

.split { display: grid; grid-template-columns: 1fr 1.15fr; gap: 40px; align-items: center; margin-top: 36px; }
pre.code {
  margin: 0; padding: 22px 24px; border-radius: 12px; overflow-x: auto;
  background: var(--code-bg); color: var(--code-ink);
  font: 400 13.5px/1.65 var(--mono);
}
.code .t { color: var(--code-tag); }
.code .a { color: var(--code-attr); }
.code .c { color: #8b8b96; }
.split ul { margin: 18px 0 0; padding-left: 20px; color: var(--muted); }
.split li { margin: 6px 0; }

.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; margin: 36px 0 0; }
.features div { padding: 18px 0; border-top: 1px solid var(--line); }
.features dt { font-weight: 600; font-size: 17px; }
.features dd { margin: 4px 0 0; color: var(--muted); font-size: 15.5px; }

.canvas-shot { margin-top: 36px; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); }

table.dl { width: 100%; border-collapse: collapse; margin-top: 28px; font-size: 15.5px; }
.dl th, .dl td { text-align: left; padding: 14px 12px 14px 0; border-top: 1px solid var(--line); vertical-align: top; }
.dl th { font-weight: 600; white-space: nowrap; }
.dl code { font: 400 14px var(--mono); background: var(--surface); border: 1px solid var(--line); padding: 2px 6px; border-radius: 5px; }

footer { margin-top: 96px; padding: 28px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14.5px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }

@media (min-width: 861px) {
  .dl code { white-space: nowrap; }
}
@media (max-width: 860px) {
  .steps { grid-template-columns: 1fr 1fr; row-gap: 24px; }
  .split { grid-template-columns: 1fr; }
  .features { grid-template-columns: 1fr; }
  .top nav .hide-sm { display: none; }
}
@media (max-width: 520px) {
  .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 32px; }
  .dl th, .dl td { display: block; padding: 4px 0; border: 0; }
  .dl tr { display: block; padding: 12px 0; border-top: 1px solid var(--line); }
}

p code, li code { font: 400 0.88em var(--mono); background: var(--surface); border: 1px solid var(--line); padding: 1px 5px; border-radius: 5px; }