:root {
  --paper: #ffffff;
  --ink: #16181d;
  --muted: #5d6470;
  --rule: #e6e8ec;
  --well: #f4f5f7;
  --pass: #1f9d55;
  --crate: #f5c518;
  --measure: 40rem;
  --page: 70rem;
  --gutter: clamp(1rem, 4vw, 3rem);
  --sans: "Bricolage Grotesque", system-ui, sans-serif;
  /* Body text in a static face, Safari drew the variable Bricolage heavy at every weight */
  --text: "IBM Plex Sans", system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--text);
  font-size: 1.0625rem;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration-color: var(--crate);
  text-decoration-thickness: 0.14em;
  text-underline-offset: 0.18em;
}

a:hover {
  text-decoration-color: currentColor;
}

:focus-visible {
  outline: 3px solid var(--crate);
  outline-offset: 3px;
  border-radius: 4px;
}

code,
pre {
  font-family: var(--mono);
  font-size: 0.9em;
}

:not(pre) > code {
  background: var(--well);
  padding: 0.08em 0.35em;
  border-radius: 4px;
}

pre,
pre.z-code {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  overflow-x: auto;
  background: var(--well);
  color: var(--ink);
  border-radius: 8px;
  line-height: 1.55;
}

h1,
h2,
h3 {
  font-family: var(--sans);
  /* Safari drops font-weight once variation settings are set, so the weight goes in them too */
  font-variation-settings: "opsz" 64, "wght" 700;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0;
}

h2 {
  font-size: clamp(1.75rem, 3.2vw, 2.4rem);
}

h3 {
  font-size: 1.3rem;
}

/* Header and footer */

.site-header,
.site-footer {
  max-width: var(--page);
  margin: 0 auto;
  padding: 1.25rem var(--gutter);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--sans);
  font-variation-settings: "opsz" 64, "wght" 750;
  font-weight: 750;
  font-size: 1.3rem;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.site-header nav {
  display: flex;
  gap: 1.5rem;
}

.site-header nav a {
  color: var(--muted);
  text-decoration: none;
}

.site-header nav a:hover {
  color: var(--ink);
}

.site-footer {
  margin-top: 6rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.95rem;
}

/* Home */

.home {
  max-width: var(--page);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.home section {
  padding: clamp(4rem, 8vw, 6.5rem) 0 0;
}

.home section > h2 {
  max-width: var(--measure);
  margin-bottom: 1.5rem;
}

/* One-column sections sit in the middle, under the centered hero, text still left-aligned */
.how {
  max-width: var(--measure);
  margin-inline: auto;
}

.home p,
.home li {
  max-width: var(--measure);
}

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.home .hero {
  padding-top: clamp(2rem, 6vw, 4.5rem);
}

.mascot {
  width: 5.5rem;
  height: auto;
}

.hero h1 {
  font-size: clamp(2.4rem, 5.6vw, 4.4rem);
  max-width: 17ch;
  margin-top: 1.25rem;
}

.lede {
  font-size: 1.2rem;
  color: var(--muted);
  margin: 1.5rem auto 0;
}

/* Install box */

.install {
  width: min(100%, 42rem);
  margin-top: 2.25rem;
}

.tabs {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.tabs button {
  font: inherit;
  font-size: 0.92rem;
  border: 0;
  background: none;
  color: var(--muted);
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
}

.tabs button[aria-selected="true"] {
  background: var(--ink);
  color: var(--paper);
}

.command {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--well);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 0.85rem 0.85rem 0.85rem 1.1rem;
  text-align: left;
}

.command[hidden] {
  display: none;
}

.command code {
  flex: 1;
  overflow-x: auto;
  white-space: nowrap;
  background: none;
  padding: 0;
  font-size: 0.95rem;
}

.command .prompt {
  color: var(--muted);
  user-select: none;
}

.copy {
  font: inherit;
  font-size: 0.85rem;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink);
  border-radius: 6px;
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}

.install-note {
  margin: 0.85rem auto 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* The PR checks panel */

.pr {
  width: min(100%, 44rem);
  margin: 3rem 0 0;
  text-align: left;
  border: 1px solid var(--rule);
  border-radius: 12px;
  box-shadow: 0 1px 2px rgba(22, 24, 29, 0.04), 0 12px 32px -12px rgba(22, 24, 29, 0.12);
  overflow: hidden;
}

.pr-title {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--rule);
}

.pr-title span {
  display: block;
  color: var(--muted);
  font-size: 0.92rem;
}

.checks {
  list-style: none;
  margin: 0;
  padding: 0.5rem 1.25rem;
}

.home .checks li {
  max-width: none;
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.45rem 0;
  font-size: 0.95rem;
}

.checks li span:last-child {
  color: var(--muted);
}

.dot {
  flex: none;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  align-self: center;
}

.dot.ok {
  background: var(--pass);
}

.pr-merge {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1rem 1.25rem;
  background: var(--well);
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.95rem;
}

.merge-button {
  background: var(--pass);
  color: #fff;
  font-weight: 600;
  padding: 0.45rem 0.9rem;
  border-radius: 6px;
}

/* The numbers table */

.note {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* How it works, a real sequence */

.steps {
  list-style: none;
  counter-reset: step;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.5rem;
}

.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 3.5rem;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.2rem;
  height: 2.2rem;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--crate);
  font-weight: 700;
}

.steps strong {
  display: block;
}

/* Two columns that fall to one */

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 22rem), 1fr));
  gap: 1.5rem 3rem;
  align-items: start;
}

.split ul {
  margin: 0;
  padding-left: 1.2rem;
}

.split li + li {
  margin-top: 0.5rem;
}

.guarantees h3 {
  margin-bottom: 0.75rem;
}

/* Docs */

.docs {
  max-width: var(--page);
  margin: 0 auto;
  padding: 1rem var(--gutter) 0;
  display: grid;
  grid-template-columns: 13rem minmax(0, 1fr);
  gap: 3.5rem;
}

.doc-nav {
  position: sticky;
  top: 1.5rem;
  align-self: start;
  font-size: 0.95rem;
}

.doc-nav > a {
  font-weight: 700;
  text-decoration: none;
}

.doc-nav ol {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  border-left: 1px solid var(--rule);
}

.doc-nav li a {
  display: block;
  padding: 0.3rem 0 0.3rem 0.9rem;
  margin-left: -1px;
  border-left: 3px solid transparent;
  text-decoration: none;
  color: var(--muted);
}

.doc-nav li a:hover {
  color: var(--ink);
}

.doc-nav li a[aria-current="page"] {
  color: var(--ink);
  font-weight: 600;
  border-left-color: var(--crate);
}

.doc {
  min-width: 0;
}

.doc h1 {
  font-size: clamp(2.2rem, 4.5vw, 3rem);
  margin: 0.5rem 0 1.5rem;
}

.doc h2 {
  font-size: 1.6rem;
  margin: 2.75rem 0 0.75rem;
}

.doc table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0;
  font-size: 0.95rem;
  display: block;
  overflow-x: auto;
}

.doc th,
.doc td {
  text-align: left;
  vertical-align: top;
  padding: 0.55rem 0.9rem 0.55rem 0;
  border-bottom: 1px solid var(--rule);
}

.doc th {
  font-weight: 650;
}

.doc li + li {
  margin-top: 0.35rem;
}

.doc-list {
  list-style: none;
  padding: 0;
  margin: 2rem 0 0;
}

.doc-list li {
  padding: 1rem 0;
  border-top: 1px solid var(--rule);
}

.doc-list a {
  font-weight: 650;
  font-size: 1.15rem;
}

.doc-list p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

.doc-pager {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.5rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--rule);
}

@media (max-width: 52rem) {
  .docs {
    grid-template-columns: minmax(0, 1fr);
    gap: 1.5rem;
  }

  .doc-nav {
    position: static;
  }
}