:root {
  color-scheme: dark;
  --bg: #0c0c0d;
  --raised: #141415;
  --rule: #26262a;
  --rule-soft: #1a1a1c;
  --text: #e9e6e1;
  --dim: #9b978f;
  --faint: #62605b;
  --accent: #d9795d;
  --yes: #8ab273;
  --no: #c96f5c;
  --str: #97a985;
  --kw: #f3efe9;
  --num: #c98a6b;
  --com: #5d5b56;
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light;
    --bg: #f4f2ee;
    --raised: #eae7e1;
    --rule: #d5d1c8;
    --rule-soft: #e2ded6;
    --text: #1b1a18;
    --dim: #57544e;
    --faint: #8b877f;
    --accent: #b0522f;
    --yes: #4a7a2a;
    --no: #a8452c;
    --str: #4a7a2a;
    --kw: #1b1a18;
    --num: #9c5a38;
    --com: #8b877f;
  }
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Manrope", ui-sans-serif, system-ui, sans-serif;
  font-optical-sizing: auto;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

code,
pre,
.mono {
  font-family: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas,
    monospace;
}

.wrap {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 32px;
}

@media (max-width: 640px) {
  .wrap {
    padding: 0 20px;
  }
}

a {
  color: inherit;
  text-decoration-color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
  transition: color 180ms var(--ease);
}

a:hover {
  color: var(--accent);
}

.label {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--faint);
}

.topbar {
  border-bottom: 1px solid var(--rule);
}

.topbar .wrap {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding-top: 14px;
  padding-bottom: 14px;
}

.topbar nav a {
  margin-left: 18px;
  text-decoration: none;
}

@media (max-width: 560px) {
  .topbar .wrap {
    justify-content: flex-end;
  }

  .topbar .wrap > span {
    display: none;
  }
}

header.hero {
  padding: 72px 0 0;
}

.wordmark {
  font-size: clamp(2.8rem, 11vw, 6.5rem);
  font-weight: 800;
  letter-spacing: -0.055em;
  line-height: 0.92;
  margin: 0;
}

.wordmark span {
  color: var(--accent);
  display: inline-block;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding: 30px 0 64px;
  border-bottom: 1px solid var(--rule);
}

@media (min-width: 860px) {
  .hero-grid {
    grid-template-columns: 1.05fr 1fr;
    gap: 64px;
    align-items: end;
  }
}

.hero-grid > *,
.rule-entry > *,
.fork-body > * {
  min-width: 0;
}

.hero-grid p {
  margin: 0;
  font-size: 1.15rem;
  color: var(--dim);
  max-width: 42ch;
  text-wrap: pretty;
}

.hero-grid p strong {
  color: var(--text);
  font-weight: 600;
}

.install {
  border: 1px solid var(--rule);
  background: var(--raised);
}

.install-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 14px;
  border-bottom: 1px solid var(--rule);
}

.install pre {
  margin: 0;
  padding: 14px;
  overflow-x: auto;
  font-size: 0.78rem;
  line-height: 1.95;
}

@media (max-width: 640px) {
  .install pre {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
    line-height: 1.75;
  }
}

.install .prompt {
  color: var(--faint);
  user-select: none;
}

.install .cmd {
  color: var(--accent);
}

button {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--faint);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  transition: color 180ms var(--ease);
}

button:hover {
  color: var(--accent);
}

#copy.done {
  color: var(--yes);
}

section {
  padding: 64px 0 0;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 20px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--text);
}

h2 {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0;
}

.lede {
  margin: 18px 0 0;
  color: var(--dim);
  font-size: 1.05rem;
  max-width: 68ch;
}

.lede code,
.rule-note code,
.also code,
.fork code {
  color: var(--text);
  font-size: 0.86em;
  background: var(--raised);
  padding: 1px 5px;
}

.ledger {
  margin-top: 26px;
}

.ledger-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--rule-soft);
}

@media (min-width: 720px) {
  .ledger-row {
    grid-template-columns: 200px 1fr;
    align-items: baseline;
  }
}

.ledger-row dt {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.88rem;
  color: var(--accent);
  transition: transform 260ms var(--ease);
}

.ledger-row:hover dt {
  transform: translateX(5px);
}

.ledger-row dd {
  margin: 0;
  color: var(--dim);
  font-size: 1rem;
  transition: color 260ms var(--ease);
}

.ledger-row:hover dd {
  color: var(--text);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 0;
  margin: 26px 0 8px;
}

.filters button {
  padding: 4px 0;
  color: var(--faint);
}

.filters button::after {
  content: "/";
  margin: 0 10px;
  color: var(--rule);
}

.filters button:last-child::after {
  content: "";
}

.filters button span {
  position: relative;
  display: inline-block;
  padding-bottom: 4px;
}

.filters button span::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 240ms var(--ease);
}

.filters button[aria-pressed="true"] {
  color: var(--text);
}

.filters button[aria-pressed="true"] span::after {
  transform: scaleX(1);
}

.rule-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0 28px;
  padding: 34px 0;
  border-top: 1px solid var(--rule);
}

@media (min-width: 720px) {
  .rule-entry {
    grid-template-columns: 72px 1fr;
  }
}

.rule-entry[hidden] {
  display: none;
}

.rule-num {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--rule);
  line-height: 1;
  letter-spacing: -0.02em;
  transition: color 320ms var(--ease);
}

.rule-entry:hover .rule-num {
  color: var(--accent);
}

@media (max-width: 719px) {
  .rule-num {
    font-size: 0.8rem;
    margin-bottom: 8px;
  }
}

h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.rule-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
}

.rule-note {
  margin: 10px 0 0;
  color: var(--dim);
  font-size: 1.02rem;
  max-width: 66ch;
}

.panes {
  display: grid;
  grid-template-columns: 1fr;
  margin-top: 22px;
  border: 1px solid var(--rule);
}

@media (min-width: 860px) {
  .panes {
    grid-template-columns: 1fr 1fr;
  }
}

.pane {
  min-width: 0;
  padding: 0 0 16px;
}

.pane.good {
  background: var(--raised);
  border-top: 1px solid var(--rule);
}

@media (min-width: 860px) {
  .pane.good {
    border-top: 0;
    border-left: 1px solid var(--rule);
  }
}

.pane .label {
  display: block;
  padding: 11px 16px 14px;
}

.pane.bad .label {
  color: var(--no);
}

.pane.good .label {
  color: var(--yes);
}

.pane pre {
  margin: 0;
  padding: 0 16px;
  overflow-x: auto;
  font-size: 0.75rem;
  line-height: 1.75;
  color: var(--dim);
  tab-size: 2;
}

.tok-str {
  color: var(--str);
}

.tok-kw {
  color: var(--kw);
}

.tok-num {
  color: var(--num);
}

.tok-com {
  color: var(--com);
  font-style: italic;
}

.also-label {
  display: block;
  padding-bottom: 10px;
}

.also {
  border-top: 1px solid var(--rule);
  padding-top: 34px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 860px) {
  .also {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
}

.also h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.also p {
  margin: 0;
  font-size: 0.97rem;
  color: var(--dim);
}

.fork {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

@media (min-width: 860px) {
  .fork-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 26px;
  }
}

.fork p {
  margin: 0 0 16px;
  font-size: 1.02rem;
  color: var(--dim);
}

.fork pre {
  border: 1px solid var(--rule);
  background: var(--raised);
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 0.75rem;
  color: var(--dim);
  margin: 0;
}

footer {
  margin-top: 80px;
  border-top: 1px solid var(--rule);
}

footer .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 18px;
  padding-bottom: 60px;
}

@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0;
    transform: translateY(14px);
    transition:
      opacity 620ms var(--ease),
      transform 620ms var(--ease);
    transition-delay: calc(var(--reveal-index, 0) * 60ms);
  }

  .js .reveal.is-visible {
    opacity: 1;
    transform: none;
  }

  .js .hero-rise {
    opacity: 0;
    animation: rise 720ms var(--ease) forwards;
    animation-delay: calc(var(--rise-index, 0) * 90ms);
  }

  .wordmark span {
    animation: stretch 900ms var(--ease) 260ms both;
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes stretch {
  from {
    transform: scaleX(0.1);
  }

  to {
    transform: scaleX(1);
  }
}