:root {
  color-scheme: dark light;
  --bg: #0a0d12;
  --panel: #11161f;
  --panel-2: #0d1219;
  --text: #e8edf4;
  --muted: #9aa7b8;
  --line: #1f2937;
  --accent: #7dd3fc;
  --accent-strong: #38bdf8;
  --accent-ink: #05121a;
  --ok: #86efac;
  --radius: 14px;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f7f9fc;
    --panel: #ffffff;
    --panel-2: #eef3f9;
    --text: #0f172a;
    --muted: #526173;
    --line: #d7e0ea;
    --accent: #0369a1;
    --accent-strong: #075985;
    --accent-ink: #ffffff;
    --ok: #15803d;
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

::selection {
  background: var(--accent);
  color: var(--accent-ink);
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--panel);
  padding: 10px 14px;
  z-index: 10;
}

.skip:focus {
  left: 12px;
  top: 12px;
}

.site-header,
main,
.site-footer {
  width: min(1080px, 100% - 48px);
  margin-inline: auto;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  color: var(--text);
}

.brand .brand-m {
  color: var(--accent);
}

.brand:hover {
  text-decoration: none;
  color: var(--accent-strong);
}

.brand:hover .brand-m {
  color: var(--accent-strong);
}

.brand-logo {
  display: flex;
}

.brand svg {
  display: block;
  height: 22px;
  width: auto;
}

.name-m {
  color: var(--accent);
}

.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  font-size: 0.92rem;
}

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

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

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: 48px;
  padding: 72px 0 64px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2.1rem, 4.6vw, 3.5rem);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
}

.lede {
  margin: 20px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 1.12rem;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 28px 0 0;
}

.button {
  display: inline-block;
  padding: 11px 18px;
  border: 1px solid var(--accent);
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  font-size: 0.95rem;
}

.button:hover {
  background: var(--accent-strong);
  border-color: var(--accent-strong);
  text-decoration: none;
}

.button.ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--text);
}

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

.hero-code,
.sample,
.feature,
.step,
.doc {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
}

.hero-code {
  margin: 0;
  overflow: hidden;
  box-shadow: 0 20px 50px rgb(0 0 0 / 0.18);
}

.card-head,
.sample-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-2);
}

.card-head code,
.file,
.label {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--muted);
}

.badge {
  padding: 2px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

pre {
  margin: 0;
  padding: 16px 18px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.6;
  tab-size: 4;
}

pre code {
  font: inherit;
  white-space: pre;
}

.hero > *,
.features > *,
.samples > *,
.steps > *,
.docs > * {
  min-width: 0;
}

pre {
  max-width: 100%;
}

.source {
  background: var(--panel);
  color: var(--text);
}

.output {
  border-top: 1px solid var(--line);
  background: var(--panel-2);
}

/* Mini token colors, matched to the language's real lexer kinds. */
:root {
  --tk-com: #8b9bb0;
  --tk-kw: #ff9ecd;
  --tk-fn: #86d9ff;
  --tk-call: #c3b4ff;
  --tk-str: #a5e6a0;
  --tk-num: #ffcf8b;
  --tk-op: #9fb0c4;
}

@media (prefers-color-scheme: light) {
  :root {
    --tk-com: #6b7a8d;
    --tk-kw: #b3005e;
    --tk-fn: #005f9e;
    --tk-call: #5a3fb8;
    --tk-str: #1a7f37;
    --tk-num: #a35200;
    --tk-op: #5a6a7d;
  }
}

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

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

.tk-fn {
  color: var(--tk-fn);
}

.tk-call {
  color: var(--tk-call);
}

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

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

.tk-op {
  color: var(--tk-op);
}

.tk-id,
.tk-she {
  color: inherit;
}

.label {
  display: block;
  padding: 10px 18px 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.stdout {
  color: var(--ok);
  padding-top: 6px;
}

.section {
  padding: 56px 0;
  border-top: 1px solid var(--line);
}

.section-head {
  max-width: 62ch;
  margin-bottom: 28px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  letter-spacing: -0.015em;
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

.features,
.docs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature,
.doc {
  padding: 20px 22px;
}

.feature h3,
.doc h3,
.step h3,
.sample-head h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}

.feature p,
.doc p,
.sample-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.93rem;
}

.callout {
  max-width: 78ch;
  margin: 26px 0 0;
  padding: 16px 20px;
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  background: var(--panel);
  color: var(--text);
  font-size: 1.02rem;
}

.doc {
  display: block;
  color: var(--text);
  transition: border-color 120ms ease, transform 120ms ease;
}

.doc:hover {
  border-color: var(--accent);
  text-decoration: none;
  transform: translateY(-2px);
}

.sample-index-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}

.sample-index-card h3,
.sample-index-card p {
  margin: 0;
}

.sample-index-card footer {
  margin-top: auto;
  padding-top: 8px;
  font-size: 0.84rem;
}

.samples {
  display: grid;
  gap: 22px;
}

.sample {
  overflow: hidden;
}

.sample-head {
  align-items: flex-start;
}

.sample-head > div {
  min-width: 0;
}

.sample-head .file {
  flex-shrink: 0;
  padding-top: 2px;
  white-space: nowrap;
}

.steps {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}

.step:last-child {
  grid-column: 1 / -1;
}

.step {
  position: relative;
  padding: 18px;
  overflow: hidden;
}

.step h3 {
  counter-increment: step;
}

.step h3::before {
  content: counter(step) ". ";
  color: var(--accent);
  font-family: var(--mono);
}

.step-code {
  margin-top: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-2);
  font-size: 0.78rem;
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 8px 24px;
  padding: 28px 0 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0;
  }

  .features,
  .docs,
  .steps {
    grid-template-columns: 1fr;
  }

  .site-header {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .site-header nav {
    width: 100%;
    gap: 10px;
    font-size: 0.85rem;
  }
}

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

  .doc {
    transition: none;
  }

  .doc:hover {
    transform: none;
  }
}

@media (max-width: 700px) {
  .source code,
  .stdout code,
  .step-code code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }

  .sample-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .sample-head .file {
    white-space: normal;
    overflow-wrap: anywhere;
  }

  .step-code {
    font-size: 0.72rem;
  }
}

.step-note {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.86rem;
}

.step-note code {
  color: var(--ok);
}

.sample-foot,
.hero-open {
  margin: 0;
  padding: 10px 16px;
  border-top: 1px solid var(--line);
  background: var(--panel);
  font-size: 0.84rem;
  text-align: right;
}

.sample-foot a,
.hero-open a {
  color: var(--accent);
}