/* Dark, type-led: Inter for the text, Inter Tight for the titles, JetBrains Mono for the labels.
   The three fonts are served from fonts/ (SIL OFL), latin subset, variable weight. */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "Inter Tight";
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: url("fonts/inter-tight-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
  font-family: "JetBrains Mono";
  font-style: normal;
  font-weight: 100 800;
  font-display: swap;
  src: url("fonts/jetbrains-mono-latin-wght-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  --bg: #0a0a0a;
  --bg-alt: #141414;
  --panel: #171717;
  --panel-2: #1c1c1c;
  --well: #0f0f0f;
  --line: #262626;
  --line-2: #333333;
  --ink: #fafafa;
  --ink-2: #a3a3a3;
  /* The dimmest text: 4.9:1 on --panel-2, more on the darker backgrounds. */
  --ink-3: #8a8a8a;
  --pink: #f7a9c4;
  --green: #4ade80;
  /* The app's status icons, dark mode (app/src/styles.css). */
  --ok: #63d296;
  --missing: #aab2cc;
  --warn: #f2c04e;
  --error: #ff8a7a;
  --on-status: #0a0a0a;
  --radius: 12px;
  --gutter: 24px;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --head: "Inter Tight", "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: dark;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scroll-behavior: smooth; scroll-padding-top: 88px; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 var(--sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--head);
  font-weight: 600;
  color: var(--ink);
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 6.2vw, 76px); line-height: 0.98; letter-spacing: -0.04em; }
h2 { font-size: clamp(34px, 4.4vw, 56px); line-height: 1.02; letter-spacing: -0.035em; }
h3 { font-size: 20px; line-height: 1.2; letter-spacing: -0.015em; }
h4 { font-size: 18px; line-height: 1.25; letter-spacing: -0.01em; }
p { margin: 0; text-wrap: pretty; }
img { max-width: 100%; height: auto; }
strong { font-weight: 600; color: var(--ink); }

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: rgba(250, 250, 250, 0.35);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { text-decoration-color: currentColor; }

:focus-visible { outline: 2px solid var(--pink); outline-offset: 3px; }

code {
  font: 0.86em/1.4 var(--mono);
  color: #e5e5e5;
  background: #1f1f1f;
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 6px;
  overflow-wrap: anywhere;
}

.note { color: var(--ink-3); font-size: 14px; }

.wrap { max-width: calc(1232px + 2 * var(--gutter)); margin: 0 auto; padding: 0 var(--gutter); }

.skip {
  position: absolute;
  left: 12px;
  top: -80px;
  z-index: 50;
  padding: 8px 16px;
  background: #fff;
  color: #0a0a0a;
  border-radius: 999px;
  font-weight: 500;
  text-decoration: none;
}
.skip:focus { top: 12px; }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

@media (min-width: 480px) {
  .nowrap { white-space: nowrap; }
}

/* Labels over the titles: a pill, mono capitals, one gradient per section. */

.tag {
  display: inline-block;
  margin: 0;
  padding: 6px 14px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--t1), var(--t2));
  color: #111111;
  font: 500 12px/1.5 var(--mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.tag-pink-blue { --t1: #f9a8d4; --t2: #93c5fd; }
.tag-violet-pink { --t1: #c4b5fd; --t2: #f9a8d4; }
.tag-yellow-teal { --t1: #fde68a; --t2: #5eead4; }
.tag-pink-orange { --t1: #fda4af; --t2: #fdba74; }
.tag-green-blue { --t1: #86efac; --t2: #7dd3fc; }
.tag-red-green { --t1: #fca5a5; --t2: #86efac; }
.tag-blue-violet { --t1: #93c5fd; --t2: #d8b4fe; }
.tag-violet-blue { --t1: #a5b4fc; --t2: #f0abfc; }
.tag-green-teal { --t1: #bbf7d0; --t2: #34d399; }
.tag + h2 { margin-top: 20px; }

/* Buttons and links */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: 500 15px/1.2 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn-white { padding: 12px 24px; background: #ffffff; color: #0a0a0a; }
.btn-white:hover { background: #e5e5e5; color: #0a0a0a; }
.btn-lg { padding: 15px 30px; font-size: 16px; }
.btn-sm { padding: 8px 16px; font-size: 14px; }
.btn-ghost { padding: 10px 20px; background: var(--panel); color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { background: var(--panel-2); border-color: #525252; color: var(--ink); }
.btn-icon { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-2);
  font-size: 15px;
  text-decoration: none;
}
.link-arrow:hover { color: var(--ink); }
.arrow {
  flex: none;
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.15s ease;
}
.link-arrow:hover .arrow { transform: translateX(3px); }

/* Announcement, then the bar that stays on top */

.announce { background: #ffffff; color: #0a0a0a; font-size: 14px; }
.announce-in {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px 14px;
  min-height: 44px;
  padding-top: 7px;
  padding-bottom: 7px;
  text-align: center;
}
.announce-pill {
  padding: 5px 12px;
  border-radius: 999px;
  background: #0a0a0a;
  color: #ffffff;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  white-space: nowrap;
}
.announce-pill:hover { background: #2a2a2a; color: #ffffff; }
.announce :focus-visible { outline-color: #0a0a0a; }

.top {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(10, 10, 10, 0.8);
  -webkit-backdrop-filter: saturate(1.4) blur(14px);
  backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.top-in { display: flex; align-items: center; gap: 36px; height: 64px; }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font: 600 18px/1 var(--head);
  letter-spacing: -0.02em;
  text-decoration: none;
  white-space: nowrap;
  flex: none;
}
.top-nav { display: flex; gap: 28px; font-size: 15px; }
.top-nav a { color: var(--ink-2); text-decoration: none; white-space: nowrap; }
.top-nav a:hover { color: var(--ink); }
.top-actions { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.top-gh { color: var(--ink-2); font-size: 15px; text-decoration: none; }
.top-gh:hover { color: var(--ink); }

@media (max-width: 1180px) {
  .top-gh { display: none; }
  .top-nav { gap: 22px; }
  .top-in { gap: 28px; }
}

/* Below 980px the name, the five links and the button no longer fit on one row:
   two rows, the sections as a strip that scrolls, not pinned. */
@media (max-width: 980px) {
  html { scroll-padding-top: 16px; }
  .top { position: relative; }
  .top-in { flex-wrap: wrap; height: auto; gap: 0 16px; padding-top: 12px; }
  .top-nav {
    order: 3;
    width: calc(100% + 2 * var(--gutter));
    margin: 0 calc(-1 * var(--gutter));
    padding: 14px var(--gutter);
    gap: 20px;
    overflow-x: auto;
    scrollbar-width: none;
  }
  .top-nav::-webkit-scrollbar { display: none; }
}

/* Hero */

.hero { position: relative; overflow: hidden; padding: 88px 0 112px; text-align: center; }
.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 720px;
  height: 420px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(247, 169, 196, 0.13), rgba(147, 197, 253, 0.05) 60%, transparent);
  pointer-events: none;
}
.hero-in { position: relative; display: flex; flex-direction: column; align-items: center; }
.hero-bibo {
  width: 112px;
  margin-bottom: 28px;
  filter: drop-shadow(0 18px 30px rgba(247, 169, 196, 0.16));
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  50% { transform: translateY(-8px); }
}
.hero h1 { margin-top: 24px; max-width: 15em; }
.h1-line { display: inline-block; }
.lead { margin-top: 28px; max-width: 37em; text-wrap: balance; color: var(--ink-2); font-size: clamp(17px, 1.6vw, 19px); line-height: 1.6; }
.for { margin-top: 14px; color: var(--ink); font-size: 15.5px; font-weight: 500; }

.dl { display: flex; flex-direction: column; align-items: center; margin-top: 40px; }
.dl-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px 28px; }
.dl-meta { margin-top: 16px; color: var(--ink-3); font-size: 14px; }
.dl-mobile { max-width: 28em; margin-top: 4px; color: var(--ink); font-weight: 500; }
.dl-others {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 14px;
  margin-top: 20px;
  color: var(--ink-3);
  font-size: 14px;
}
.dl-others ul { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; margin: 0; padding: 0; list-style: none; }
.dl-others a { font-weight: 500; }
.dl-version { margin-top: 8px; color: var(--ink-3); font-size: 13.5px; }
.dl-version a { color: var(--ink-2); }
.dl-warn {
  max-width: 36em;
  margin-top: 32px;
  padding: 12px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--ink-2);
  font-size: 14px;
}

/* Sections */

.section { padding: 120px 0; }
.section-alt { background: var(--bg-alt); }
.section-how { padding-top: 24px; }
.h-center { text-align: center; }
.section-lead { max-width: 40em; margin-top: 20px; color: var(--ink-2); font-size: 18px; line-height: 1.6; }

/* 01 / 02 / 03 */

.trio {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.trio li { padding: 32px 28px 36px; background: var(--panel); }
.num { color: var(--ink-3); font: 400 12px/1 var(--mono); letter-spacing: 0.04em; }
.trio h3 { margin-top: 28px; font-size: 24px; letter-spacing: -0.025em; }
.trio p:not(.num) { margin-top: 10px; color: var(--ink-2); font-size: 15px; }

/* What Bibo installs: the text, and a tree of what goes in */

.split { display: grid; grid-template-columns: minmax(0, 4.5fr) minmax(0, 7.5fr); gap: 64px; align-items: center; }
.split-more { margin-top: 28px; }
.org-panel {
  margin: 0;
  padding: 48px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.org { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; padding: 0; list-style: none; }
.org-cell { position: relative; display: flex; justify-content: center; padding: 28px 5px 0; }
.org-root { grid-row: 1; grid-column: 1 / -1; padding: 0 0 28px; }
.org-outils { grid-row: 2; grid-column: 1; }
.org-claude { grid-row: 2; grid-column: 2; }
.org-obsidian { grid-row: 2; grid-column: 3; }
.org-gbrain { grid-row: 2; grid-column: 4; }
.org-auto { grid-row: 3; grid-column: 2; }
.org-cerveau { grid-row: 3; grid-column: 3; }
.org-voyage { grid-row: 3; grid-column: 4; }

/* The lines: Bibo down to a bar, the bar down to each box, each box down to what it brings. */
.org-cell::before,
.org-cell::after { content: ""; position: absolute; border: 0 solid #3f3f3f; }
.org-root::after { left: 50%; bottom: 0; height: 28px; border-left-width: 1px; }
.org-cell:not(.org-root)::after { left: 50%; top: 0; height: 28px; border-left-width: 1px; }
.org-outils::before,
.org-claude::before,
.org-obsidian::before,
.org-gbrain::before { top: 0; left: 0; right: 0; border-top-width: 1px; }
.org-outils::before { left: 50%; }
.org-gbrain::before { right: 50%; }

.node {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  max-width: 200px;
  padding: 8px 16px;
  background: var(--well);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  text-align: left;
}
.org-root .node { width: auto; max-width: none; padding: 7px 20px 7px 8px; }
.node img { flex: none; width: 30px; height: 30px; }
.node-text { display: flex; flex-direction: column; min-width: 0; }
.node-name { color: var(--ink); font: 600 13.5px/1.25 var(--head); letter-spacing: -0.005em; }
.node-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 2px;
  color: var(--ink-3);
  font-size: 12px;
  line-height: 1.3;
  white-space: nowrap;
}
.dot { flex: none; width: 6px; height: 6px; border-radius: 50%; background: #525252; }
.dot-on { background: var(--green); box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.18); }

/* The step being installed walks through the tree, in the app's order. */
/* Same specificity as the delays below, which come after: the shorthand must not reset them. */
.org-cell .node { animation: node-on 14s infinite; }
.org-cell .dot { animation: dot-on 14s infinite; }
.org-root .node, .org-root .dot { animation: none; }
.org-claude .node, .org-claude .dot { animation-delay: 0s; }
.org-outils .node, .org-outils .dot { animation-delay: 2s; }
.org-gbrain .node, .org-gbrain .dot { animation-delay: 4s; }
.org-obsidian .node, .org-obsidian .dot { animation-delay: 6s; }
.org-cerveau .node, .org-cerveau .dot { animation-delay: 8s; }
.org-auto .node, .org-auto .dot { animation-delay: 10s; }
.org-voyage .node, .org-voyage .dot { animation-delay: 12s; }
@keyframes node-on {
  0%, 12.5% { background: #0d1a11; border-color: rgba(74, 222, 128, 0.75); box-shadow: 0 0 0 4px rgba(74, 222, 128, 0.1), 0 0 28px rgba(74, 222, 128, 0.12); }
  14.3%, 100% { background: var(--well); border-color: var(--line-2); box-shadow: none; }
}
@keyframes dot-on {
  0%, 12.5% { background: var(--green); box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.2); }
  14.3%, 100% { background: #525252; box-shadow: none; }
}

/* Framed grids: cells parted by 1px lines */

.grid-frame {
  display: grid;
  gap: 1px;
  margin: 56px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.grid-frame > .cell { padding: 32px 28px 36px; background: var(--bg); }
.section-alt .grid-frame > .cell { background: var(--bg-alt); }
.cell > p, .cell > .plain, .cell > .mini-steps { margin-top: 10px; color: var(--ink-2); font-size: 15px; }
.cell > .icon + h3 { margin-top: 20px; }
.cell .label {
  margin-top: 24px;
  color: var(--ink-3);
  font: 500 11px/1.4 var(--mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.cell .note { font-size: 14px; color: var(--ink-3); }
.icon {
  width: 24px;
  height: 24px;
  fill: none;
  stroke: var(--ink-2);
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.needs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.softs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.after { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.after h3 { font-size: 20px; }

.plain { margin: 0; padding: 0; list-style: none; }
.plain > li + li { margin-top: 8px; }
.mini-steps { padding-left: 20px; }
.mini-steps li + li { margin-top: 6px; }
.mini-steps li::marker { color: var(--ink-3); font-family: var(--mono); font-size: 13px; }
.opt {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 9px;
  vertical-align: 2px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  color: var(--ink-2);
  font: 500 11px/1.5 var(--mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Install tabs */

.tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 40px;
  padding: 4px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 999px;
}
.tabs a, .tabs button {
  padding: 9px 24px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: var(--ink-2);
  font: 500 15px/1.2 var(--sans);
  text-decoration: none;
  cursor: pointer;
}
.tabs button:hover { color: var(--ink); }
.tabs button[aria-selected="true"] { background: #ffffff; color: #0a0a0a; }

.panel { margin-top: 32px; }
.panel + .panel { margin-top: 72px; }
.js .panel + .panel { margin-top: 32px; }
.panel-title { margin-bottom: 12px; font-size: 26px; letter-spacing: -0.025em; }
.js .panel-title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}
.panel-lead { margin-bottom: 20px; color: var(--ink-2); }

.steps { margin: 0; padding: 0; list-style: none; counter-reset: step; border-bottom: 1px solid var(--line); }
.steps > li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr) minmax(0, 1fr);
  gap: 16px 48px;
  align-items: start;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}
.steps > li::before {
  content: counter(step, decimal-leading-zero);
  padding-top: 8px;
  color: var(--ink-3);
  font: 400 13px/1 var(--mono);
}
.step-text { grid-column: 2; }
/* A step without a picture takes the whole width. */
.steps > li:not(:has(> .shot, > .shot-pair)) > .step-text { grid-column: 2 / 4; max-width: 46em; }
.steps > li > .shot, .steps > li > .shot-pair { grid-column: 3; }
.steps h4 { margin-bottom: 10px; font-size: 22px; letter-spacing: -0.02em; }
.step-text p { color: var(--ink-2); }
.step-text p + p { margin-top: 12px; }
.step-text .note { font-size: 14.5px; }
.steps .btn { margin-top: 6px; }

.shot {
  margin: 0;
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.shot .zoom { display: block; width: fit-content; max-width: 100%; margin: 0 auto; border-radius: 8px; cursor: zoom-in; }
.shot img { display: block; border-radius: 8px; }
.shot .img-dialog { border-radius: 18px; }
.shot .img-narrow { width: 380px; }
.shot figcaption { margin-top: 14px; color: var(--ink-3); font-size: 13.5px; text-align: center; }
.shot-pair { display: grid; gap: 16px; }

.callout {
  position: relative;
  margin-top: 32px;
  padding: 24px 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.callout::before {
  content: "";
  position: absolute;
  top: 22px;
  bottom: 22px;
  left: -1px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(var(--pink), #93c5fd);
}
.callout h4 { margin-bottom: 8px; }
.callout p { color: var(--ink-2); font-size: 15px; }
.callout p + p { margin-top: 10px; }

.alt-box {
  margin-top: 32px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.alt-box h4 { font-size: 22px; letter-spacing: -0.02em; }
.alt-box > * + * { margin-top: 12px; }
.alt-box p { color: var(--ink-2); }

/* Commands */

pre.cmd {
  margin: 14px 0;
  padding: 16px 18px;
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: #e5e5e5;
  font: 13.5px/1.65 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
pre.cmd code { padding: 0; background: none; border: 0; color: inherit; font: inherit; }
.cmd-wrap { position: relative; margin: 14px 0; }
.cmd-wrap pre.cmd { margin: 0; padding-right: 96px; }
.copy {
  position: absolute;
  top: 10px;
  right: 10px;
  padding: 5px 11px;
  background: var(--panel-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  color: var(--ink-2);
  font: 500 12.5px/1.2 var(--sans);
  cursor: pointer;
}
.copy:hover { color: var(--ink); border-color: #525252; }

/* Bibo's screens */

.journey { margin: 24px 0 0; padding: 0; list-style: none; }
.journey > li {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  gap: 32px 72px;
  align-items: center;
  padding: 56px 0;
  border-top: 1px solid var(--line);
}
.journey > li:first-child { border-top: 0; }
.journey > li:nth-child(even) { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); }
.journey > li:nth-child(even) > .j-text { order: 2; }
.j-num { color: var(--ink-3); font: 500 12px/1 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.j-text h3 { margin: 16px 0 18px; font-size: clamp(24px, 2.4vw, 32px); line-height: 1.1; letter-spacing: -0.03em; }
.j-text p, .j-text .plain { color: var(--ink-2); }
.j-text > p + p, .j-text > .legend, .j-text > .plain, .j-text > .legend + p { margin-top: 12px; }
.journey .shot { padding: 16px; }

.legend { margin: 0; padding: 0; list-style: none; color: var(--ink-2); font-size: 15px; }
.legend li { display: flex; align-items: flex-start; gap: 10px; }
.legend li + li { margin-top: 6px; }
/* The app's status icons (app/src/app.js, ICONS). */
.ic { flex: none; width: 18px; height: 18px; margin-top: 3px; }
.ic-ok { color: var(--ok); }
.ic-missing { color: var(--missing); }
.ic-warn { color: var(--warn); }
.ic-error { color: var(--error); }
.ic .ic-bg { fill: currentColor; }
.ic .ic-fg { fill: none; stroke: var(--on-status); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.ic .ic-dot { fill: var(--on-status); }
.ic .ic-ring { fill: none; stroke: currentColor; stroke-width: 1.8; }
.ic-missing .ic-ring { stroke-dasharray: 3 2.4; }
.ic .ic-line { fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }

.systems { padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.systems-t { font-size: 26px; letter-spacing: -0.025em; }
.systems-note { margin-top: 6px; }
.systems-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; align-items: start; margin-top: 28px; }
.systems-grid .shot { padding: 14px; }
.systems-grid figcaption { color: var(--ink-2); font-size: 14px; text-align: left; }

.stuck {
  margin-top: 40px;
  padding: 36px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.stuck h3 { font-size: 28px; letter-spacing: -0.03em; }
.stuck > p { margin-top: 10px; color: var(--ink-2); }
.stuck-list { margin: 24px 0 0; padding: 0; list-style: none; counter-reset: stuck; }
.stuck-list li {
  counter-increment: stuck;
  position: relative;
  padding: 18px 0 18px 56px;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
}
.stuck-list li:last-child { padding-bottom: 0; }
.stuck-list li::before {
  content: counter(stuck, decimal-leading-zero);
  position: absolute;
  top: 21px;
  left: 0;
  color: var(--ink-3);
  font: 400 13px/1.2 var(--mono);
}

/* FAQ */

.faq { max-width: 880px; margin-top: 48px; border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 0;
  color: var(--ink);
  font-size: 16.5px;
  font-weight: 500;
  list-style: none;
  cursor: pointer;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 8px;
  height: 8px;
  margin-right: 4px;
  border-right: 1.5px solid var(--ink-2);
  border-bottom: 1.5px solid var(--ink-2);
  transform: translateY(-3px) rotate(45deg);
  transition: transform 0.2s ease;
}
.faq details[open] > summary::after { transform: translateY(2px) rotate(-135deg); }
.faq details > :not(summary) { max-width: 46em; margin: 0 0 14px; color: var(--ink-2); }
.faq details > .cmd-wrap, .faq details > pre.cmd { max-width: none; }
.faq details > :last-child { margin-bottom: 26px; }

/* The command line, and the last call */

.cli-head { display: flex; flex-direction: column; align-items: center; text-align: center; }
.cli-head .section-lead { margin-left: auto; margin-right: auto; }
.term {
  max-width: 780px;
  margin: 48px auto 0;
  background: var(--well);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 12px 10px 16px;
  background: #141414;
  border-bottom: 1px solid var(--line);
}
.term-dots { display: flex; gap: 6px; }
.term-dots span { width: 10px; height: 10px; border-radius: 50%; background: #3a3a3a; }
.term-tabs { display: flex; gap: 2px; padding: 3px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
.term-tabs a, .term-tabs button {
  padding: 4px 12px;
  border: 0;
  border-radius: 6px;
  background: none;
  color: var(--ink-3);
  font: 500 12.5px/1.4 var(--mono);
  text-decoration: none;
  cursor: pointer;
}
.term-tabs button:hover { color: var(--ink); }
.term-tabs button[aria-selected="true"] { background: #2a2a2a; color: var(--ink); }
.term-panel { padding: 20px 20px 22px; }
.term-panel + .term-panel { border-top: 1px solid var(--line); }
.js .term-panel + .term-panel { border-top: 0; }
.term-panel .panel-title { margin-bottom: 10px; color: var(--ink-3); font: 500 12px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; }
.term-note { margin-bottom: 14px; color: var(--ink-2); font-size: 14px; }
.term pre.cmd { margin: 0; padding: 0; background: none; border: 0; font-size: 14px; }
.term .cmd-wrap { margin: 0; }
.term .cmd-wrap pre.cmd { padding: 0 88px 0 0; }
.term .copy { top: -3px; right: 0; }
.ln::before { content: "$ "; color: var(--ink-3); -webkit-user-select: none; user-select: none; }
.cli-after { max-width: 780px; margin: 20px auto 0; color: var(--ink-3); font-size: 14px; text-align: center; }
.cli-after a { color: var(--ink-2); }
.cli-cta { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 16px 28px; margin-top: 56px; }
.cli-cta .dl-mobile, .cli-cta .dl-meta { width: 100%; margin: 0; text-align: center; }

/* Footer */

.foot { padding: 80px 0 40px; border-top: 1px solid var(--line); }
.foot-top { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr); gap: 48px; }
.foot-name {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
  font: 600 clamp(32px, 3.6vw, 44px)/1 var(--head);
  letter-spacing: -0.04em;
}
.foot-name img { width: 44px; height: 44px; }
.foot-brand .note { margin-top: 16px; font-size: 15px; }
.foot-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 32px; }
.foot-cols h2 { margin: 0; font-size: 15px; line-height: 1.2; letter-spacing: -0.01em; }
.foot-cols ul { display: grid; gap: 12px; margin: 18px 0 0; padding: 0; list-style: none; }
.foot-cols a { color: var(--ink-2); font-size: 15px; text-decoration: none; }
.foot-cols a:hover { color: var(--ink); }
.foot-bottom {
  display: grid;
  gap: 8px;
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  color: var(--ink-3);
  font-size: 13.5px;
}
.foot-bottom a { color: var(--ink-2); }

/* Narrower screens */

/* Under 1240px the tree's boxes get too narrow for their text beside the words. */
@media (max-width: 1240px) {
  .split { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .split-text { max-width: 44em; }
}

@media (max-width: 1024px) {
  .section { padding: 96px 0; }
  .softs, .after { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .journey > li, .journey > li:nth-child(even) { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 40px; }
  .steps > li { gap: 16px 32px; }
}

@media (max-width: 900px) {
  .foot-top { grid-template-columns: minmax(0, 1fr); }
  .systems-grid { grid-template-columns: minmax(0, 1fr); max-width: 560px; }
  .journey > li, .journey > li:nth-child(even) { grid-template-columns: minmax(0, 1fr); padding: 44px 0; }
  .journey > li:nth-child(even) > .j-text { order: 0; }
  .steps > li { grid-template-columns: 48px minmax(0, 1fr); gap: 20px 12px; }
  .steps > li > .shot, .steps > li > .shot-pair { grid-column: 2; }
  .steps > li:not(:has(> .shot, > .shot-pair)) > .step-text { grid-column: 2; }
}

/* The three steps one under the other, and the tree as a list that goes down */
@media (max-width: 760px) {
  .trio { grid-template-columns: minmax(0, 1fr); }
  .trio h3 { margin-top: 18px; }
  .org-panel { padding: 24px 18px; }
  .org { grid-template-columns: minmax(0, 1fr); }
  .org .org-cell { grid-row: auto; grid-column: auto; justify-content: flex-start; padding: 6px 0 6px 30px; }
  .org .org-root { padding: 0 0 6px; }
  .org .org-auto, .org .org-cerveau, .org .org-voyage { padding-left: 58px; }
  .org .node { width: auto; max-width: 100%; }
  .org-cell::before, .org-cell::after { border-width: 0; }
  .org-root::after { left: 15px; bottom: 0; height: 6px; border-left-width: 1px; }
  /* The trunk, from Bibo down to the last box of the second row. */
  .org-cell:not(.org-root)::before { top: 0; bottom: 0; left: 15px; right: auto; border-top-width: 0; border-left-width: 1px; }
  .org-cell.org-gbrain::before { bottom: 50%; }
  .org-cell.org-voyage::before { display: none; }
  /* An elbow to each box. */
  .org-cell:not(.org-root)::after { top: 50%; left: 15px; width: 15px; height: 0; border-left-width: 0; border-top-width: 1px; }
  .org-cell.org-auto::after, .org-cell.org-cerveau::after, .org-cell.org-voyage::after { top: 0; left: 43px; width: 15px; height: 50%; border-left-width: 1px; border-top-width: 0; border-bottom-width: 1px; }
}

@media (max-width: 640px) {
  :root { --gutter: 16px; }
  .section { padding: 72px 0; }
  .section-how { padding-top: 8px; }
  .hero { padding: 48px 0 72px; }
  .hero-bibo { width: 88px; margin-bottom: 20px; }
  .lead { margin-top: 22px; }
  .section-lead { font-size: 17px; }
  .needs, .softs, .after { grid-template-columns: minmax(0, 1fr); }
  .grid-frame > .cell { padding: 26px 20px 30px; }
  .grid-frame, .trio { margin-top: 40px; }
  .tabs { margin-top: 32px; }
  .tabs a, .tabs button { padding: 9px 18px; }
  .steps > li { grid-template-columns: 34px minmax(0, 1fr); gap: 16px 6px; padding: 28px 0; }
  .steps > li > .shot, .steps > li > .shot-pair { grid-column: 1 / -1; }
  .steps h4 { font-size: 20px; }
  .shot { padding: 12px; }
  .journey .shot { padding: 10px; }
  .callout, .alt-box { padding: 22px 20px; }
  .stuck { padding: 26px 20px; }
  .stuck-list li { padding-left: 40px; }
  .cmd-wrap pre.cmd { padding-right: 18px; padding-top: 46px; }
  .term .cmd-wrap pre.cmd { padding: 38px 0 0; }
  .term-panel { padding: 18px 16px 20px; }
  .faq summary { font-size: 16px; padding: 20px 0; }
  .foot { padding-top: 64px; }
  .foot-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 32px 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}