/* Compi: a product story with normal document scrolling. */
:root {
  color-scheme: dark;
  --bg: #151515;
  --surface: #1e1f1c;
  --raised: #252620;
  --line: #36382f;
  --text: #f1f0e8;
  --body: #c4c6bb;
  --muted: #a2a698;
  --accent: #dffb35;
  --selected: #2b301d;
  --button: #dffb35;
  --button-hover: #edff81;
  --button-ink: #171912;
  --selection-bg: #dffb35;
  --selection-text: #171912;
  --shadow: #0004;
  --sans: 'IBM Plex Sans', Arial, sans-serif;
  --mono: 'IBM Plex Mono', Consolas, monospace;
}
/* Exact semantic colors from compi-client/themes/warm-carbon.json. */
:root[data-theme="warm-carbon"] {
  color-scheme: dark;
  --bg: #171613;
  --surface: #211f1a;
  --raised: #2b2922;
  --line: #403c31;
  --text: #f4f1e8;
  --body: #f4f1e8;
  --muted: #aaa394;
  --accent: #e5c07b;
  --selected: #4b402b;
  --button: #e5c07b;
  --button-hover: #e5c07b;
  --button-ink: #171613;
  --selection-bg: #4b402b;
  --selection-text: #f4f1e8;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.65 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
a, button { touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible, video:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--selection-bg); color: var(--selection-text); }
img, video { display: block; max-width: 100%; height: auto; }
h1, h2, h3, p, figure, pre { margin: 0; }
.wrap { width: min(1240px, calc(100% - 96px)); margin-inline: auto; }
.eyebrow { font: 11px/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.eyebrow .index { color: var(--accent); margin-right: 12px; }
.skip { position: fixed; top: -100px; left: 16px; z-index: 20; padding: 10px 16px; background: var(--button); color: var(--button-ink); }
.skip:focus { top: 12px; }
.js-only { display: none; }
.enhanced .js-only { display: inline-flex; }
.site-header { position: sticky; top: 0; z-index: 10; background: var(--bg); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-size: 23px; font-weight: 600; letter-spacing: -.05em; }
.brand img { width: 34px; height: 34px; border-radius: 7px; }
nav { display: flex; align-items: center; gap: 26px; font-size: 12px; }
nav a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; position: relative; color: var(--muted); }
nav a:hover, nav a[aria-current="location"] { color: var(--text); }
nav .chapter-link[aria-current="location"]::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px; background: var(--accent); }
.github { width: 16px; height: 16px; filter: invert(1); }

.page-theme-toggle { align-items: center; justify-content: center; width: 44px; height: 44px; padding: 0; border: 1px solid var(--line); border-radius: 50%; color: var(--text); background: transparent; flex: 0 0 auto; }
.page-theme-toggle:hover { background: var(--surface); }
.moon-icon { display: none; }
[data-theme="warm-carbon"] .sun-icon { display: none; }
[data-theme="warm-carbon"] .moon-icon { display: block; }
.hero { padding-block: 83px 72px; }
.hero-top { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: end; }
.platform-label { margin-bottom: 25px; }
h1 { font-size: clamp(43px, 5vw, 72px); line-height: 1.055; letter-spacing: -.055em; font-weight: 500; text-wrap: balance; }
h1 span { color: var(--accent); }
.lead { max-width: 440px; font-size: 18px; line-height: 1.65; color: var(--body); }
.actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 27px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 17px; border: 1px solid var(--button); border-radius: 4px; background: var(--button); color: var(--button-ink); font-size: 13px; font-weight: 500; line-height: 1.3; }
.button:hover { background: var(--button-hover); }
.button.secondary { border-color: var(--muted); color: var(--text); background: transparent; }
.button.secondary:hover { background: var(--surface); }
.install-notes { margin-top: 17px; max-width: 440px; font-size: 11px; line-height: 1.7; color: var(--muted); }
.install-notes p + p { margin-top: 6px; }
.install-notes a { text-decoration: underline; text-underline-offset: 3px; }
.hero-figure { margin-top: 51px; }
.media-label { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 12px; font: 11px/1.6 var(--mono); color: var(--muted); }
.media-label .live-dot { display: inline-block; width: 5px; height: 5px; margin-right: 7px; border-radius: 50%; background: var(--accent); vertical-align: middle; }
.shot { display: block; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #171717; box-shadow: 0 24px 65px var(--shadow); }
.shot img { width: 100%; height: auto; }
figcaption { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-top: 13px; font: 11px/1.6 var(--mono); color: var(--muted); }
figcaption a { display: inline-flex; align-items: center; min-height: 44px; }
figcaption a:hover { color: var(--accent); }
.explore-cue { display: flex; align-items: center; justify-content: space-between; margin-top: 43px; padding-top: 21px; border-top: 1px solid var(--line); font: 11px/1.6 var(--mono); color: var(--muted); }
.explore-cue a { display: inline-flex; align-items: center; min-height: 44px; gap: 18px; color: var(--text); }
.chapter { padding-block: 108px 112px; border-top: 1px solid var(--line); }
.chapter-heading { display: grid; grid-template-columns: 1.35fr 1fr; gap: 80px; align-items: end; margin-bottom: 62px; }
.chapter-heading .eyebrow { margin-bottom: 22px; }
h2 { max-width: 780px; font-size: clamp(37px, 4.2vw, 58px); line-height: 1.09; letter-spacing: -.045em; font-weight: 500; text-wrap: balance; }
.chapter-intro { max-width: 410px; font-size: 17px; color: var(--body); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; margin-top: 14px; gap: 10px; font-size: 12px; color: var(--text); text-decoration: underline; text-decoration-color: var(--muted); text-underline-offset: 5px; }
.text-link:hover { color: var(--accent); }
.agent-layout { display: grid; grid-template-columns: 1.4fr 1fr; gap: 80px; align-items: start; }
.command-board { position: sticky; top: 125px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); min-width: 0; }
.command-head { display: flex; align-items: center; justify-content: space-between; padding: 10px 22px; border-bottom: 1px solid var(--line); font: 11px/1.5 var(--mono); color: var(--muted); }
.copy { display: inline-flex; align-items: center; min-height: 44px; padding: 7px 0 7px 12px; background: transparent; border: 0; color: var(--text); font: 11px var(--mono); }
.copy:hover { color: var(--accent); }
.command-row { padding: 25px 24px; border-bottom: 1px solid var(--line); }
.command-row:last-of-type { border-bottom: 0; }
.command-row.active { background: var(--selected); }
.command-row .label { display: block; margin-bottom: 11px; font: 10px/1.5 var(--mono); color: var(--muted); }
.command-row code { display: block; overflow-x: auto; font: 12px/1.9 var(--mono); white-space: nowrap; color: var(--text); }
.command-row code::before { content: '$ '; color: var(--accent); }
.command-foot { padding: 16px 22px; border-top: 1px solid var(--line); font: 10px/1.7 var(--mono); color: var(--muted); }
.copy-status { min-height: 20px; margin: 0 22px 12px; color: var(--accent); font: 11px/1.7 var(--mono); }
.agent-step { padding: 8px 0 43px; }
.agent-step + .agent-step { padding-top: 29px; border-top: 1px solid var(--line); }
.agent-step h3 { font-size: 25px; line-height: 1.2; font-weight: 500; letter-spacing: -.025em; margin-bottom: 15px; }
.agent-step p { max-width: 390px; color: var(--body); font-size: 16px; }
.agent-note { margin-top: 5px; font-size: 12px; color: var(--muted); max-width: 410px; }
.workspace-chapter { background: var(--surface); border-bottom: 1px solid var(--line); }
.workspace-story { display: block; grid-template-columns: minmax(0, 1.85fr) minmax(0, 1fr); align-items: start; gap: 72px; }
.desktop-story-media { display: none; position: sticky; top: 121px; min-width: 0; }
.scene-nav { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 16px; }
.scene-nav a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 4px; font-size: 11px; color: var(--muted); }
.scene-nav a[aria-current="step"] { color: var(--text); border-color: var(--muted); background: var(--raised); }
.scene-nav a:hover { color: var(--text); }
.workspace-step { padding-block: 24px 48px; border-bottom: 1px solid var(--line); }
.workspace-step:last-child { border-bottom: 0; }
.workspace-step .step-index { font: 11px var(--mono); color: var(--muted); margin-bottom: 20px; }
.workspace-step[data-active="true"] .step-index { color: var(--accent); }
.workspace-step h3 { font-size: 32px; line-height: 1.12; letter-spacing: -.035em; font-weight: 500; margin-bottom: 20px; text-wrap: balance; }
.workspace-step p { color: var(--body); font-size: 16px; max-width: 420px; }
.workspace-step .boundary { margin-top: 16px; color: var(--muted); font-size: 12px; }
.inline-story-media { margin-top: 30px; }
.inline-story-media img { width: 100%; height: auto; }
.workspace-steps { min-width: 0; }
.return-chapter { border-top: 0; }
.return-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 88px; align-items: start; }
.return-step { display: grid; grid-template-columns: 28px 1fr; gap: 16px; padding-block: 23px; border-top: 1px solid var(--line); }
.return-step .number { font: 11px/1.8 var(--mono); color: var(--accent); }
.return-step h3 { font-size: 19px; line-height: 1.4; font-weight: 500; margin-bottom: 7px; letter-spacing: -.015em; }
.return-step p { font-size: 14px; color: var(--body); }
.video-frame { min-width: 0; }
.video-frame video { width: 100%; aspect-ratio: 16/9; border: 1px solid var(--line); border-radius: 7px; background: #171717; box-shadow: 0 18px 45px var(--shadow); }
.video-frame .availability { margin-top: 23px; padding-top: 17px; border-top: 1px solid var(--line); font-size: 11px; color: var(--muted); }
.video-frame .availability a { text-decoration: underline; text-underline-offset: 3px; }
.lifecycle-note { font-size: 11px; color: var(--muted); margin-top: 15px; }
footer { padding-block: 45px; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.footer-brand { display: flex; align-items: center; gap: 22px; }
.footer-brand .brand { font-size: 22px; }
.footer-brand span { color: var(--muted); font-size: 11px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 25px; font-size: 12px; }
.footer-links a { display: inline-flex; align-items: center; min-height: 44px; }
.footer-links a:hover { color: var(--accent); }
@media (min-width: 901px) and (min-height: 701px) {
  .enhanced .workspace-story { display: grid; }
  .enhanced .desktop-story-media { display: block; }
  .enhanced .inline-story-media { display: none; }
  .enhanced .workspace-step { min-height: clamp(420px, 56svh, 640px); display: flex; flex-direction: column; justify-content: center; padding-block: 70px; }
  .enhanced .workspace-step:first-child { padding-top: 26px; }
}
@media (max-width: 1100px) {
  .wrap { width: calc(100% - 64px); }
  .hero-top, .chapter-heading, .agent-layout { gap: 45px; }
  .workspace-story { gap: 40px; grid-template-columns: 1.65fr 1fr; }
  .return-layout { gap: 48px; }
  nav { gap: 19px; }
  .button { padding-inline: 12px; }
}
@media (max-width: 900px), (max-height: 700px) {
  .workspace-story { display: block; }
  .workspace-step { padding-block: 35px 55px; }
  .workspace-step + .workspace-step { padding-top: 55px; }
  .workspace-step h3 { max-width: 550px; }
  .workspace-step p { max-width: 600px; }
  .desktop-story-media { display: none; }
  .inline-story-media { display: block; }
  .command-board { position: static; }
}
@media (max-width: 760px) {
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 68px; gap: 15px; }
  .brand { font-size: 21px; }
  .brand img { width: 30px; height: 30px; }
  nav { gap: 14px; }
  nav .chapter-link { display: none; }
  .hero { padding-block: 51px 50px; }
  .hero-top, .chapter-heading, .agent-layout, .return-layout { grid-template-columns: 1fr; gap: 28px; }
  h1 { font-size: clamp(41px, 8.3vw, 61px); max-width: 640px; }
  .lead { max-width: 590px; font-size: 17px; }
  .actions { margin-top: 23px; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: stretch; }
  .actions .button { min-width: 0; min-height: 50px; text-align: center; }
  .install-notes { max-width: 590px; }
  .hero-figure { margin-top: 34px; }
  .media-label { font-size: 10px; }
  figcaption { font-size: 10px; gap: 14px; }
  .explore-cue { margin-top: 25px; font-size: 10px; }
  .explore-cue > span { display: none; }
  .chapter { padding-block: 65px 70px; }
  .chapter-heading { margin-bottom: 34px; gap: 23px; }
  h2 { font-size: clamp(36px, 7.6vw, 47px); }
  .chapter-intro { max-width: 590px; font-size: 16px; }
  .agent-layout { gap: 35px; }
  .command-row { padding: 20px 18px; }
  .command-row code { font-size: 11px; }
  .command-head, .command-foot { padding-inline: 18px; }
  .agent-step h3 { font-size: 23px; }
  .agent-step { padding-bottom: 27px; }
  .agent-step p { max-width: 590px; font-size: 15px; }
  .agent-note { max-width: 590px; }
  .workspace-step h3 { font-size: 30px; }
  .workspace-step p { font-size: 15px; }
  .return-layout { gap: 38px; }
  .return-step p { font-size: 14px; }
  .footer-inner { align-items: start; flex-direction: column; gap: 17px; }
  .footer-links { gap: 22px; }
  footer { padding-block: 31px; }
}
@media (max-width: 380px) {
  .wrap { width: calc(100% - 28px); }
  nav { gap: 10px; font-size: 11px; }
  .button { font-size: 12px; padding-inline: 10px; }
  .media-label .meta-detail { display: none; }
  figcaption { flex-wrap: wrap; }
  .footer-links { gap: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}