:root {
  --paper: #0c0a18;
  --paper-light: #151225;
  --paper-deep: #13102a;
  --ink: #ffffff;
  --ink-soft: #b0acc0;
  --muted: #7a7490;
  --red: #e86a2d;
  --red-dark: #e86a2d;
  --blue: #e86a2d;
  --amber: #c4883d;
  --green: #ffffff;
  --line: #2a2640;
  --line-dark: #3d3658;
  --serif: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --sans: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --shell: min(1384px, calc(100vw - 56px));
  --ease: cubic-bezier(.22, .75, .2, 1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background:
    radial-gradient(ellipse 58% 42% at 0% 0%, rgba(232, 106, 45, .05) 0%, transparent 72%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body::before {
  display: none;
}

::selection {
  background: var(--red);
  color: var(--paper);
}

a {
  color: inherit;
  text-decoration: none;
}

button,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  color: inherit;
}

img,
svg {
  display: block;
  max-width: 100%;
}

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

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 200;
  padding: 10px 14px;
  background: var(--red);
  color: var(--paper);
  font-family: var(--mono);
  font-size: .75rem;
  transform: translateY(-160%);
}

.skip-link:focus {
  transform: none;
}

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

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 120;
  height: 3px;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--red);
}

.masthead {
  position: sticky;
  top: 0;
  z-index: 90;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 10, 24, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.masthead-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.wordmark {
  display: inline-flex;
  align-items: baseline;
  gap: .36em;
  font-family: var(--mono);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.wordmark-slop {
  position: relative;
}

.wordmark-slop::after {
  content: "";
  position: absolute;
  left: -.08em;
  right: -.08em;
  top: 52%;
  height: 2px;
  background: var(--red);
  transform: rotate(-4deg);
}

.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  font-family: var(--mono);
  color: var(--muted);
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.nav a,
.footer-links a {
  position: relative;
}

.nav a::after,
.footer-links a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -5px;
  height: 1px;
  background: var(--red);
  transition: right .25s var(--ease);
}

.nav a:hover::after,
.nav a:focus-visible::after,
.footer-links a:hover::after,
.footer-links a:focus-visible::after {
  right: 0;
}

.repo-link {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 0 13px;
  border: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: .69rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: background .2s, color .2s;
}

.repo-link:hover {
  border-color: var(--red);
  background: var(--red);
  color: var(--paper);
}

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-grid {
  min-height: 720px;
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(420px, 1fr);
  align-items: center;
  gap: clamp(52px, 5vw, 76px);
  padding-block: 76px 96px;
}

.eyebrow,
.section-number,
.micro-label,
.proof-head,
.proof-label,
.pane-head,
.legend,
.package-list {
  font-family: var(--mono);
  font-size: .68rem;
  font-weight: 500;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 34px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--red);
  box-shadow: 0 0 0 4px rgba(232, 106, 45, .16);
}

.hero h1,
.section-head h2,
.ai-role h2,
.revision-copy h2,
.install-copy h2,
.credits h2 {
  margin: 0;
  font-family: var(--serif);
  font-weight: 700;
  letter-spacing: -.025em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 820px;
  font-size: clamp(4rem, 5.4vw, 5.75rem);
  line-height: .92;
}

.hero h1 em {
  color: var(--red);
  font-style: normal;
}

.hero-lede {
  max-width: 610px;
  margin: 34px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1.05rem, 1.3vw, 1.22rem);
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-top: 34px;
}

.button,
.text-link {
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 0 17px;
  border: 1px solid var(--line-dark);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.button-primary {
  border-color: var(--red);
  background: var(--red);
  color: var(--paper);
  box-shadow: none;
}

.button-primary:hover {
  transform: translateY(-2px);
  box-shadow: none;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 4px;
}

.text-link:hover {
  color: var(--red-dark);
  border-color: var(--red);
}

.hero-uses {
  max-width: 650px;
  margin: 42px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: .9rem;
}

.hero-uses span {
  margin-right: 10px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.proof-sheet {
  position: relative;
  margin: 0;
  padding: 32px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--red);
  background: var(--paper-light);
  box-shadow: none;
  transform: none;
}

.proof-sheet::before {
  display: none;
}

.proof-holes {
  display: none;
}

.proof-holes i {
  width: 12px;
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--paper);
}

.proof-head {
  display: flex;
  justify-content: space-between;
  padding-bottom: 15px;
  border-bottom: 1px solid var(--line-dark);
}

.proof-head b {
  color: var(--red);
}

.proof-block {
  padding: 24px 0;
}

.proof-block + .proof-block {
  border-top: 1px solid var(--line);
}

.proof-label {
  display: block;
  margin-bottom: 10px;
  color: var(--muted);
}

.proof-block blockquote {
  min-height: 4.6em;
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.35;
}

.proof-before blockquote {
  color: var(--ink-soft);
}

.proof-before .cut {
  color: var(--muted);
  text-decoration: line-through;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
}

.proof-before .flag {
  background: rgba(232, 106, 45, .12);
}

.proof-after blockquote {
  color: var(--green);
}

.proof-arrow {
  position: absolute;
  right: 30px;
  top: 47%;
  color: var(--red);
  font-family: var(--serif);
  font-size: 1.7rem;
  font-style: italic;
}

.proof-foot {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding-top: 18px;
  border-top: 1px solid var(--line-dark);
}

.proof-foot ul {
  display: flex;
  flex-wrap: wrap;
  gap: 7px 14px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: .64rem;
  text-transform: uppercase;
}

.proof-foot li::before {
  content: "×";
  margin-right: 5px;
}

.proof-foot button {
  flex: 0 0 auto;
  padding: 0 0 3px;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .65rem;
  text-transform: uppercase;
}

.margin-note {
  display: none;
}

.hero-rule {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  justify-content: space-around;
  padding: 11px 4vw;
  border-top: 1px solid var(--line);
  background: var(--paper-deep);
  color: var(--muted);
  font-family: var(--mono);
  font-size: .62rem;
  letter-spacing: .16em;
  text-transform: uppercase;
}

.section {
  padding-block: 112px;
  border-bottom: 1px solid var(--line);
}

.section-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 400px);
  align-items: end;
  gap: 70px;
  margin-bottom: 74px;
}

.section-head .section-number {
  grid-column: 1 / -1;
  margin-bottom: -42px;
}

.section-number {
  display: block;
  color: var(--red-dark);
}

.section-head h2,
.ai-role h2,
.revision-copy h2,
.install-copy h2 {
  font-size: clamp(2.8rem, 4.4vw, 4.6rem);
  line-height: .94;
  text-transform: uppercase;
}

.section-head p,
.revision-copy > p,
.install-copy > p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.12rem;
  line-height: 1.55;
}

.benefit-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}

.benefit-list li {
  min-height: 220px;
  display: flex;
  flex-direction: column;
  padding: 22px 22px 26px 0;
  border-bottom: 1px solid var(--line);
}

.benefit-list li + li {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.benefit-list > li > span {
  color: var(--red);
  font-family: var(--mono);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .08em;
}

.benefit-list div {
  margin-top: auto;
}

.benefit-list h3 {
  margin: 0 0 12px;
  font-size: 1.25rem;
  line-height: 1.1;
  text-transform: uppercase;
}

.benefit-list p {
  margin: 0;
  color: var(--ink-soft);
  font-size: .9rem;
}

.use-cases {
  margin-top: 76px;
}

.use-cases-head {
  display: grid;
  grid-template-columns: 1fr 3fr;
  align-items: end;
  gap: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark);
}

.use-cases-head h3 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.08;
  letter-spacing: -.04em;
  text-transform: uppercase;
}

.use-case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.use-case-grid article {
  min-height: 150px;
  padding: 22px 22px 24px 0;
  border-bottom: 1px solid var(--line);
}

.use-case-grid article + article {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.use-case-grid span {
  color: var(--red);
  font-family: var(--mono);
  font-size: .64rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.use-case-grid p {
  margin: 28px 0 0;
  color: var(--ink-soft);
  font-size: .92rem;
}

.route {
  margin-top: 88px;
}

.route-intro {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 30px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark);
}

.micro-label {
  color: var(--red-dark);
}

.route-intro h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 600;
  letter-spacing: -.035em;
}

.route-list {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}

.route-list li {
  position: relative;
  min-height: 176px;
  display: flex;
  flex-direction: column;
  padding: 21px 18px 18px 0;
  border-bottom: 1px solid var(--line);
}

.route-list li + li {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.route-list li:not(:last-child)::after {
  content: "→";
  position: absolute;
  top: 18px;
  right: 9px;
  color: var(--red);
  font-family: var(--mono);
}

.route-list span {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .62rem;
}

.route-list b {
  margin-top: auto;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
}

.route-list small {
  margin-top: 6px;
  color: var(--muted);
  font-size: .77rem;
  line-height: 1.35;
}

.ai-role {
  padding-block: 104px;
  overflow: hidden;
  background: var(--paper-deep);
  color: var(--ink);
}

.ai-role-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(60px, 10vw, 150px);
  align-items: center;
}

.section-number-light {
  color: var(--red);
}

.ai-role h2 {
  margin-top: 26px;
}

.ai-role-copy p {
  max-width: 580px;
  margin: 34px 0;
  color: var(--ink-soft);
  font-size: 1.17rem;
}

.ai-role-copy a {
  display: inline-flex;
  gap: 10px;
  border-bottom: 1px solid var(--line-dark);
  padding-bottom: 4px;
  color: var(--ink);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.anchor-test {
  position: relative;
  padding: 34px 40px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--red);
  background: var(--paper-light);
  box-shadow: none;
  transform: none;
}

.anchor-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line-dark);
  font-family: var(--mono);
  font-size: .7rem;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.stamp {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 2px solid var(--red);
  border-radius: 50%;
  color: var(--red);
  font-size: .85rem;
  transform: none;
}

.anchor-test ol {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: anchor;
}

.anchor-test li {
  counter-increment: anchor;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 12px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.3rem;
}

.anchor-test li::before {
  content: counter(anchor, decimal-leading-zero);
  color: var(--red);
  font-family: var(--mono);
  font-size: .62rem;
}

.section-head-row .section-number {
  grid-column: auto;
  margin: 0 0 24px;
}

.workbench {
  background: var(--paper);
}

.workbench-frame {
  display: grid;
  grid-template-columns: 1fr 1fr;
  border: 1px solid var(--line);
  box-shadow: none;
}

.draft-pane,
.review-pane {
  min-width: 0;
}

.draft-pane {
  display: flex;
  flex-direction: column;
  background: var(--paper-deep);
}

.review-pane {
  display: flex;
  flex-direction: column;
  border-left: 1px solid var(--line);
  background: var(--paper-light);
}

.pane-head {
  min-height: 49px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid var(--line);
}

.pane-head b {
  color: var(--red-dark);
}

.draft-pane textarea {
  width: 100%;
  min-height: 360px;
  flex: 1;
  resize: vertical;
  padding: 30px;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.65;
}

.draft-pane textarea:focus {
  box-shadow: inset 0 0 0 2px var(--red);
}

.pane-actions {
  min-height: 54px;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 0 20px;
  border-top: 1px solid var(--line);
}

.pane-actions button {
  padding: 0 0 2px;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  background: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .65rem;
  text-transform: uppercase;
}

.annotated-copy {
  min-height: 250px;
  padding: 30px;
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.25rem;
  line-height: 1.65;
}

.annotated-copy .empty {
  color: var(--muted);
  font-style: italic;
}

.hl {
  position: relative;
  padding: 0 .05em;
  cursor: help;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.hl-t1 {
  background: rgba(232, 106, 45, .16);
  text-decoration: underline;
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.hl-t2,
.hl-t3 {
  background: rgba(232, 106, 45, .09);
  text-decoration: underline dotted var(--red);
}

.hl-pat,
.hl-open {
  background: rgba(232, 106, 45, .08);
  text-decoration: underline wavy var(--red) 1px;
  text-underline-offset: 4px;
}

.review-footer {
  margin-top: auto;
  border-top: 1px solid var(--line);
}

.review-footer > p {
  margin: 0;
  padding: 17px 20px;
  color: var(--ink-soft);
  font-size: .86rem;
}

.review-footer strong {
  color: var(--ink);
}

.review-hits {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.review-hits li {
  padding: 9px 12px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: .62rem;
  text-transform: lowercase;
}

.legend {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 28px;
  margin-top: 24px;
  color: var(--muted);
}

.legend span {
  display: flex;
  align-items: center;
  gap: 8px;
}

.swatch {
  width: 14px;
  height: 8px;
}

.swatch-red { background: rgba(232, 106, 45, .28); border-bottom: 2px solid var(--red); }
.swatch-amber { background: rgba(232, 106, 45, .14); }
.swatch-blue { background: rgba(232, 106, 45, .08); border-bottom: 1px solid var(--red); }

.rule-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line-dark);
  list-style: none;
}

.rule-list li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  min-height: 180px;
  padding: 28px 24px 28px 0;
  border-bottom: 1px solid var(--line);
}

.rule-list li:nth-child(even) {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.rule-list > li > span {
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: .64rem;
}

.rule-list h3 {
  margin: -5px 0 12px;
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.05;
}

.rule-list p {
  max-width: 440px;
  margin: 0;
  color: var(--ink-soft);
  font-size: .95rem;
}

.library {
  background: var(--paper-deep);
}

.library-grid {
  border-top: 1px solid var(--line-dark);
}

.library-note {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 28px;
  margin-bottom: 42px;
  padding: 20px 0;
  border-top: 1px solid var(--line-dark);
  border-bottom: 1px solid var(--line);
}

.library-note > span {
  color: var(--red);
  font-family: var(--mono);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.library-note p {
  max-width: 960px;
  margin: 0;
  color: var(--ink-soft);
  font-size: .9rem;
  line-height: 1.65;
}

.library-note code {
  color: var(--ink);
  font-size: .82em;
}

.library-entry {
  border-bottom: 1px solid var(--line);
}

.library-entry-head {
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 18px;
}

.library-entry-head h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 1.8rem;
  font-weight: 500;
}

.library-entry-head small {
  color: var(--muted);
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.library-list summary {
  min-height: 58px;
  display: grid;
  grid-template-columns: 1fr 24px;
  align-items: center;
  gap: 18px;
  padding-left: 110px;
  border-top: 1px solid var(--line);
  cursor: pointer;
  list-style: none;
  color: var(--ink-soft);
  font-family: var(--mono);
  font-size: .66rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.library-list summary::-webkit-details-marker {
  display: none;
}

.library-list summary::after {
  content: "+";
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: 1.2rem;
}

.library-list[open] summary::after {
  content: "−";
}

.library-example {
  display: grid;
  grid-template-columns: 110px 1fr 1fr;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--paper);
}

.library-example-label {
  padding: 22px 18px 22px 0;
  color: var(--red);
  font-family: var(--mono);
  font-size: .62rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.library-example > div {
  min-height: 145px;
  padding: 20px 24px;
  border-left: 1px solid var(--line);
}

.library-example small {
  display: block;
  margin-bottom: 18px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .6rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.library-example p {
  max-width: 620px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.55;
}

.library-example > div:last-child p {
  color: var(--ink);
}

.word-cloud,
.pattern-index {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 0 0 38px;
}

.word-entry {
  min-height: 72px;
  padding: 15px 18px 15px 0;
  border-top: 1px solid var(--line);
}

.word-entry:nth-child(3n + 2),
.word-entry:nth-child(3n + 3) {
  padding-left: 18px;
  border-left: 1px solid var(--line);
}

.word-entry b {
  display: block;
  font-family: var(--mono);
  font-size: .72rem;
  font-weight: 500;
}

.word-entry small {
  display: block;
  margin-top: 6px;
  color: var(--muted);
  font-size: .76rem;
}

.word-entry small::before {
  content: "→ ";
  color: var(--red-dark);
}

.pattern-entry {
  min-height: 145px;
  padding: 20px 22px 20px 0;
  border-top: 1px solid var(--line);
}

.pattern-entry:nth-child(3n + 2),
.pattern-entry:nth-child(3n + 3) {
  padding-left: 22px;
  border-left: 1px solid var(--line);
}

.pattern-entry span {
  color: var(--red-dark);
  font-family: var(--mono);
  font-size: .58rem;
  letter-spacing: .07em;
  text-transform: uppercase;
}

.pattern-entry h3 {
  margin: 7px 0 10px;
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 500;
  line-height: 1.1;
}

.pattern-entry p {
  margin: 0;
  color: var(--muted);
  font-size: .76rem;
}

.revision {
  background: var(--paper);
}

.revision-grid,
.install-grid {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  align-items: center;
  gap: clamp(70px, 11vw, 150px);
}

.revision-copy h2,
.install-copy h2 {
  margin: 26px 0 34px;
}

.revision-copy .text-link {
  margin-top: 28px;
}

.diff-demo {
  border: 1px solid var(--line);
  background: var(--paper-light);
  box-shadow: none;
}

.diff-tabs,
.install-tabs {
  display: flex;
  border-bottom: 1px solid var(--line);
}

.diff-tabs button,
.install-tabs button {
  min-height: 48px;
  flex: 1;
  border: 0;
  border-right: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  font-family: var(--mono);
  font-size: .65rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.diff-tabs button:last-child,
.install-tabs button:last-child {
  border-right: 0;
}

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

.diff-paper {
  min-height: 330px;
  display: none;
  place-items: center;
  padding: 52px;
  background: var(--paper-light);
}

.diff-paper.active {
  display: grid;
}

.diff-paper p {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  line-height: 1.5;
}

.diff-paper del {
  color: var(--muted);
  text-decoration-color: var(--red);
  text-decoration-thickness: 2px;
}

.diff-paper ins {
  color: var(--green);
  background: rgba(232, 106, 45, .1);
  text-decoration: none;
}

.install {
  background: var(--paper-light);
  color: var(--ink);
}

.install .section-number {
  color: var(--red);
}

.install-copy > p {
  color: var(--ink-soft);
}

.package-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  margin-top: 36px;
  border: 1px solid var(--line-dark);
}

.package-list span {
  padding: 10px 12px;
  border-right: 1px solid var(--line-dark);
}

.terminal {
  border: 1px solid var(--line);
  background: var(--paper);
  box-shadow: none;
}

.install-tabs {
  border-color: var(--line);
}

.install-tabs button {
  border-color: var(--line);
  color: var(--ink-soft);
}

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

.install-pane {
  position: relative;
  display: none;
}

.install-pane.active {
  display: block;
}

.install-pane pre {
  min-height: 250px;
  margin: 0;
  display: flex;
  align-items: center;
  overflow: auto;
  padding: 42px 32px 70px;
  color: var(--ink);
  font-size: .78rem;
  line-height: 1.8;
  white-space: pre-wrap;
}

.install-pane > button {
  position: absolute;
  right: 18px;
  bottom: 18px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid var(--red);
  background: transparent;
  color: var(--red);
  cursor: pointer;
  font-family: var(--mono);
  font-size: .63rem;
  text-transform: uppercase;
}

.install-pane > button:hover,
.install-pane > button.copied {
  background: var(--red);
  color: var(--paper);
}

.credits {
  padding-block: 86px;
  border-bottom: 1px solid var(--line);
  background: var(--paper-deep);
}

.credits-grid {
  display: grid;
  grid-template-columns: .6fr 1.4fr;
  gap: 80px;
}

.credits h2 {
  margin-top: 18px;
  font-size: 3.2rem;
  line-height: .95;
}

.credits p {
  max-width: 760px;
  margin: 0;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.credits p a {
  color: var(--red-dark);
  border-bottom: 1px solid currentColor;
}

.footer {
  padding-block: 34px;
  background: var(--paper);
  color: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 40px;
}

.footer p {
  margin: 0;
  color: var(--muted);
  font-size: .8rem;
}

.footer-links {
  display: flex;
  justify-content: end;
  gap: 22px;
  font-family: var(--mono);
  font-size: .65rem;
  text-transform: uppercase;
}

.footer-links a::after {
  background: var(--red);
}

.footer-mark .wordmark-slop::after {
  background: var(--red);
}

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

.js .reveal.in-view {
  opacity: 1;
  transform: none;
}

@media (max-width: 1120px) {
  .hero-grid {
    min-height: auto;
    grid-template-columns: 1fr;
    gap: 52px;
    padding-block: 66px 90px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero h1 {
    font-size: clamp(3.8rem, 7.5vw, 4.8rem);
  }

  .proof-sheet {
    width: min(670px, calc(100% - 18px));
    margin-inline: auto;
  }

}

@media (max-width: 1040px) {
  :root {
    --shell: min(100% - 36px, 900px);
  }

  .benefit-list,
  .use-case-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .benefit-list li:nth-child(odd),
  .use-case-grid article:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .benefit-list li:nth-child(even),
  .use-case-grid article:nth-child(even) {
    padding-left: 22px;
    border-left: 1px solid var(--line);
  }

  .route-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .route-list li:nth-child(4) {
    border-left: 0;
  }

  .ai-role-grid,
  .revision-grid,
  .install-grid {
    grid-template-columns: 1fr;
  }

  .ai-role-copy {
    max-width: 720px;
  }

  .anchor-test,
  .diff-demo,
  .terminal {
    width: min(760px, calc(100% - 14px));
    margin-inline: auto;
  }

  .word-cloud,
  .pattern-index {
    grid-template-columns: repeat(2, 1fr);
  }

  .word-entry:nth-child(3n + 2),
  .word-entry:nth-child(3n + 3),
  .pattern-entry:nth-child(3n + 2),
  .pattern-entry:nth-child(3n + 3) {
    padding-left: 0;
    border-left: 0;
  }

  .word-entry:nth-child(even),
  .pattern-entry:nth-child(even) {
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 760px) {
  :root {
    --shell: calc(100% - 28px);
  }

  .masthead-inner {
    min-height: 62px;
  }

  .nav {
    display: none;
  }

  .repo-link {
    margin-left: auto;
  }

  .hero-grid {
    gap: 38px;
    padding-block: 52px 82px;
  }

  .hero h1 {
    font-size: clamp(3.15rem, 14vw, 4.1rem);
  }

  .hero-lede {
    font-size: 1.05rem;
  }

  .hero-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 22px;
  }

  .hero-uses {
    margin-top: 34px;
    font-size: .84rem;
    line-height: 1.55;
  }

  .hero-uses span {
    display: block;
    margin: 0 0 7px;
  }

  .proof-sheet {
    width: 100%;
    padding: 22px 20px;
    box-shadow: none;
  }

  .proof-sheet::before {
    left: 33px;
  }

  .proof-holes {
    left: 10px;
  }

  .proof-foot {
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
    padding-top: 14px;
  }

  .proof-head {
    padding-bottom: 12px;
  }

  .proof-block {
    padding: 18px 0;
  }

  .proof-block blockquote {
    min-height: 0;
    font-size: 1.08rem;
    line-height: 1.45;
  }

  .proof-arrow {
    right: 18px;
    font-size: 1.25rem;
  }

  .margin-note {
    display: none;
  }

  .hero-rule {
    justify-content: space-between;
  }

  .section {
    padding-block: 74px;
  }

  .section-head,
  .section-head-row {
    grid-template-columns: 1fr;
    gap: 26px;
    margin-bottom: 52px;
  }

  .section-head .section-number,
  .section-head-row .section-number {
    grid-column: auto;
    margin: 0 0 4px;
  }

  .section-head h2,
  .ai-role h2,
  .revision-copy h2,
  .install-copy h2 {
    font-size: clamp(2.45rem, 10.5vw, 3.6rem);
  }

  .benefit-list,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .benefit-list li,
  .benefit-list li:nth-child(even),
  .use-case-grid article,
  .use-case-grid article:nth-child(even) {
    min-height: 0;
    padding: 24px 0;
    border-left: 0;
  }

  .benefit-list div {
    margin-top: 42px;
  }

  .use-cases {
    margin-top: 72px;
  }

  .use-cases-head {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .use-case-grid p {
    margin-top: 14px;
  }

  .route {
    margin-top: 78px;
  }

  .route-intro {
    align-items: flex-start;
    flex-direction: column;
  }

  .route-list {
    grid-template-columns: 1fr 1fr;
  }

  .route-list li:nth-child(odd) {
    padding-left: 0;
    border-left: 0;
  }

  .route-list li:nth-child(even) {
    padding-left: 16px;
    border-left: 1px solid var(--line);
  }

  .route-list li {
    min-height: 156px;
  }

  .ai-role {
    padding-block: 88px 100px;
  }

  .ai-role-grid {
    gap: 68px;
  }

  .anchor-test {
    width: 100%;
    padding: 28px 24px 16px;
    box-shadow: none;
  }

  .anchor-test li {
    font-size: 1.1rem;
  }

  .workbench-frame {
    grid-template-columns: 1fr;
    box-shadow: none;
  }

  .review-pane {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .draft-pane textarea,
  .annotated-copy {
    min-height: 280px;
    padding: 22px;
    font-size: 1.08rem;
  }

  .rule-list {
    grid-template-columns: 1fr;
  }

  .rule-list li,
  .rule-list li:nth-child(even) {
    min-height: 0;
    padding: 24px 0;
    border-left: 0;
  }

  .word-cloud,
  .pattern-index {
    grid-template-columns: 1fr;
  }

  .word-entry,
  .word-entry:nth-child(even),
  .pattern-entry,
  .pattern-entry:nth-child(even) {
    min-height: 0;
    padding: 14px 0;
    border-left: 0;
  }

  .library-entry-head {
    min-height: 64px;
  }

  .library-note {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-bottom: 30px;
  }

  .library-entry-head h3 {
    font-size: 1.55rem;
  }

  .library-entry-head small {
    font-size: .58rem;
  }

  .library-example {
    grid-template-columns: 1fr;
  }

  .library-example-label {
    padding: 18px 0;
  }

  .library-example > div {
    min-height: 0;
    padding: 20px 0;
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .library-list summary {
    min-height: 54px;
    padding-left: 0;
  }

  .revision-grid,
  .install-grid {
    gap: 64px;
  }

  .diff-demo,
  .terminal {
    width: 100%;
    box-shadow: none;
  }

  .diff-paper {
    min-height: 280px;
    padding: 32px 24px;
  }

  .install-pane pre {
    min-height: 280px;
    padding-inline: 20px;
    font-size: .68rem;
  }

  .credits-grid,
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-links {
    flex-wrap: wrap;
    justify-content: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .js .reveal {
    opacity: 1;
    transform: none;
  }
}