@font-face {
  font-family: "IBM Plex Sans";
  font-weight: 400;
  font-display: swap;
  src: url("fonts/IBMPlexSans-Regular-Latin1.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Sans";
  font-weight: 500;
  font-display: swap;
  src: url("fonts/IBMPlexSans-Medium-Latin1.woff2") format("woff2");
}
@font-face {
  font-family: "IBM Plex Mono";
  font-weight: 400;
  font-display: swap;
  src: url("fonts/IBMPlexMono-Regular-Latin1.woff2") format("woff2");
}

/* Identity 03 tokens, see brand/tokens.json. */
:root {
  --ink: #171917;
  --paper: #FAFAF7;
  --acid: #D9F378;
  --slate: #656B63;
  --line: #D9DDD3;
  --panel: #ECEEE7;
  --code: #F0F1EA;
  --bg: var(--paper);
  --text: var(--ink);
  --muted: var(--slate);
  --sans: "IBM Plex Sans", Arial, Helvetica, sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171917;
    --text: #FAFAF7;
    --muted: #C2C6BC;
    --line: #33362F;
    --code: #1F211E;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 17px/1.65 var(--sans);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-underline-offset: 3px; }
a:focus-visible, .button:focus-visible { outline: 3px solid var(--acid); outline-offset: 3px; border-radius: 4px; }
code, pre { font-family: var(--mono); font-size: 14px; }
h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; line-height: 1.15; margin: 0 0 16px; }
h2 { font-size: 32px; }
h3 { font-size: 19px; margin-bottom: 8px; }
p { margin: 0 0 16px; }

.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--acid); color: var(--ink); padding: 8px 12px; z-index: 10; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 24px; padding-bottom: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 500; font-size: 22px; letter-spacing: -0.03em; }
.top nav { display: flex; gap: 24px; font-size: 15px; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--text); }

.hero { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr); gap: 48px; align-items: center; padding-top: 48px; padding-bottom: 72px; }
.eyebrow, .facts, .note { font-family: var(--mono); font-size: 13px; color: var(--muted); }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 20px; }
h1 { font-size: clamp(42px, 6.4vw, 76px); letter-spacing: -0.035em; line-height: 1.02; margin-bottom: 24px; }
.lead { font-size: 19px; color: var(--muted); max-width: 40em; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 20px; }
.button { display: inline-block; padding: 12px 20px; border-radius: 8px; background: var(--text); color: var(--bg); text-decoration: none; font-weight: 500; font-size: 16px; }
.button.ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1.5px var(--text); }
.art { margin: 0; background: var(--panel); border-radius: 16px; padding: 12px; }
.hero-art { padding: 24px; }

section + section { border-top: 1px solid var(--line); }
.story, .how, .try, .coverage, .walkthrough { padding-top: 72px; padding-bottom: 72px; }
.story p { font-size: 21px; line-height: 1.6; max-width: 46em; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.steps li { counter-increment: step; }
.steps h3::before { content: counter(step) ". "; color: var(--muted); }
.steps .art { margin-bottom: 20px; }
.steps p { color: var(--muted); font-size: 16px; }
pre { background: var(--code); border: 1px solid var(--line); border-radius: 10px; padding: 16px; overflow-x: auto; line-height: 1.55; margin: 0; }
.codes { margin: 0; display: grid; gap: 6px; font-size: 15px; }
.codes div { display: flex; gap: 12px; align-items: baseline; }
.codes dt { font-family: var(--mono); background: var(--code); border: 1px solid var(--line); border-radius: 6px; min-width: 30px; text-align: center; }
.codes dd { margin: 0; color: var(--muted); }

.try { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 48px; align-items: center; }
.terminal { background: #171917; color: #FAFAF7; border: 0; padding: 22px 24px; font-size: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.terminal .prompt { color: #C2C6BC; }
.terminal .blocked { background: var(--acid); color: #171917; }
.note code { background: var(--code); padding: 1px 6px; border-radius: 4px; }

.cols { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; margin: 32px 0 24px; }
.cols ul { margin: 0; padding-left: 20px; }
.cols li { margin-bottom: 6px; }
.cols .out { color: var(--muted); }

.walkthrough { display: grid; grid-template-columns: minmax(0, 0.6fr) minmax(0, 1.4fr); gap: 48px; align-items: center; }
.walkthrough p { max-width: 40em; }

.foot { border-top: 1px solid var(--line); padding-top: 32px; padding-bottom: 48px; color: var(--muted); font-size: 15px; }
.small-brand { font-size: 18px; color: var(--text); margin-bottom: 12px; }
.fine { font-family: var(--mono); font-size: 12px; }

@media (max-width: 860px) {
  .hero, .try, .walkthrough, .cols { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 24px; gap: 32px; }
  .walkthrough .art { max-width: 320px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .top nav { gap: 14px; font-size: 14px; }
  .top nav a[href="#coverage"] { display: none; }
  h2 { font-size: 26px; }
  .story p { font-size: 18px; }
}