:root {
  color-scheme: dark;
  --ink: #f8fafc;
  --muted: #94a3b8;
  --canvas: #020617;
  --surface: #0f172a;
  --rule: #334155;
  --accent: #38bdf8;
  --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }

html { background: var(--canvas); }

body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

a { color: inherit; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }

h1, h2, h3 { margin: 0; line-height: 1.05; text-wrap: balance; }
p { margin: 0; color: var(--muted); text-wrap: pretty; }

.shell { width: min(100% - 3rem, 72rem); margin-inline: auto; }

.skip-link {
  position: absolute;
  top: 1rem;
  left: -9999px;
  z-index: 50;
  padding: .5rem 1rem;
  color: var(--canvas);
  background: var(--accent);
  font-family: var(--mono);
}

.skip-link:focus { left: 1rem; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
  border-bottom: 1px solid var(--rule);
}

.wordmark { display: inline-flex; gap: .625rem; align-items: center; font-size: 1.125rem; font-weight: 700; text-decoration: none; }
.wordmark span { color: var(--accent); }
nav { display: flex; gap: 1.5rem; font-size: .9375rem; }
nav a { color: var(--muted); text-decoration: none; }

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(20rem, .9fr);
  gap: clamp(3rem, 8vw, 7rem);
  align-items: center;
  min-height: calc(100dvh - 5rem);
  padding-block: 5rem;
}

.hero > *, .section-heading > *, .code-section > * { min-width: 0; }
.hero-copy h1 { max-width: 10ch; font-size: clamp(3.5rem, 7.5vw, 6.75rem); }
.hero-copy > p { max-width: 38rem; margin-top: 2rem; font-size: clamp(1.125rem, 2vw, 1.375rem); }

.install-command {
  display: flex;
  gap: .875rem;
  width: fit-content;
  margin-top: 2rem;
  padding: .75rem 1rem;
  border: 1px solid var(--rule);
  background: var(--surface);
  font-family: var(--mono);
  font-size: .9375rem;
}

.install-command span { color: var(--accent); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; margin-top: 2rem; }

.button {
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: .625rem 1rem;
  border: 1px solid var(--accent);
  color: var(--canvas);
  background: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.button:hover { color: var(--ink); background: transparent; }
.text-link { color: var(--muted); text-underline-offset: .25rem; }

.specimen { margin: 0; border: 1px solid var(--rule); background: var(--surface); }
.specimen figcaption { display: flex; justify-content: space-between; gap: 1rem; padding: .875rem 1rem; border-bottom: 1px solid var(--rule); font-size: .875rem; }
.specimen-data { color: var(--muted); font-family: var(--mono); font-variant-numeric: tabular-nums; }

.specimen-stage { position: relative; display: grid; min-height: 30rem; place-items: center; overflow: hidden; background: #000; }
.specimen-stage img { z-index: 10; width: 13.5rem; height: auto; image-rendering: pixelated; }
.axis { position: absolute; z-index: 0; background: var(--rule); }
.axis-x { width: 100%; height: 1px; }
.axis-y { width: 1px; height: 100%; }

.specimen-metrics { display: grid; grid-template-columns: repeat(3, 1fr); margin: 0; border-top: 1px solid var(--rule); }
.specimen-metrics div { padding: .75rem 1rem; }
.specimen-metrics div + div { border-left: 1px solid var(--rule); }
.specimen-metrics dt { color: var(--muted); font-size: .75rem; }
.specimen-metrics dd { margin: .125rem 0 0; font-family: var(--mono); font-size: .875rem; font-variant-numeric: tabular-nums; }

.pipeline { padding-block: 4rem; border-block: 1px solid var(--rule); }
.pipeline h2 { max-width: 18ch; font-size: clamp(2rem, 4vw, 3.25rem); }
.pipeline ol { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; margin: 3rem 0 0; padding: 0; background: var(--rule); list-style: none; }
.pipeline li { display: flex; gap: .75rem; padding: 1.25rem; background: var(--canvas); }
.pipeline li span { color: var(--accent); font-family: var(--mono); font-variant-numeric: tabular-nums; }

.section { padding-block: 7rem; }
.section + .section { border-top: 1px solid var(--rule); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(18rem, .7fr); gap: 3rem; align-items: end; }
.section-heading h2, .closing h2 { max-width: 18ch; font-size: clamp(2.5rem, 5vw, 4.5rem); }
.section-heading p { max-width: 38rem; }

.feature-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 3rem 2rem; margin-top: 5rem; }
.feature-grid article { padding-top: 1.5rem; border-top: 1px solid var(--rule); }
.feature-grid h3 { font-size: 1.5rem; }
.feature-grid p { max-width: 35rem; margin-top: .75rem; }

.code-section { display: grid; grid-template-columns: .8fr 1.2fr; gap: 4rem; align-items: start; }
.code-section .section-heading { display: block; }
.code-section .section-heading p { margin-top: 1.5rem; }
pre { margin: 0; padding: 2rem; overflow-x: auto; border: 1px solid var(--rule); background: #000; font-family: var(--mono); font-size: .9375rem; line-height: 1.75; }
.code-keyword, .code-number { color: var(--accent); }
.code-string { color: #cbd5e1; }

.format-list, .benchmark-list { margin: 4rem 0 0; border-top: 1px solid var(--rule); }
.format-list div, .benchmark-list div { display: grid; grid-template-columns: minmax(10rem, .5fr) 1fr; gap: 2rem; padding-block: 1.25rem; border-bottom: 1px solid var(--rule); }
.format-list dt, .benchmark-list dt { color: var(--muted); }
.format-list dd, .benchmark-list dd { margin: 0; }
.limits { max-width: 52rem; margin-top: 2rem; }
.benchmark-list dd { color: var(--accent); font-family: var(--mono); text-align: right; font-variant-numeric: tabular-nums; }

.closing { display: flex; flex-direction: column; align-items: flex-start; padding-block: 8rem; border-top: 1px solid var(--rule); }
.closing .install-command { margin-block: 2rem; }
.site-footer { display: flex; justify-content: space-between; padding-block: 2rem; border-top: 1px solid var(--rule); font-size: .875rem; }
.version { color: var(--accent); font-family: var(--mono); font-variant-numeric: tabular-nums; }

@media (max-width: 52rem) {
  .shell { width: min(100% - 2rem, 72rem); }
  .site-header { align-items: flex-start; padding-block: 1.25rem; }
  nav { gap: 1rem; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-block: 4rem; }
  .hero-copy h1 { font-size: clamp(3.25rem, 15vw, 5rem); }
  .specimen-stage { min-height: 24rem; }
  .pipeline ol, .feature-grid { grid-template-columns: 1fr 1fr; }
  .section-heading, .code-section { grid-template-columns: 1fr; gap: 2rem; }
}

@media (max-width: 34rem) {
  nav a:not(:last-child) { display: none; }
  .hero-copy h1 { max-width: 100%; font-size: clamp(3rem, 13.5vw, 4rem); }
  .specimen figcaption { display: grid; }
  .pipeline ol, .feature-grid { grid-template-columns: 1fr; }
  .section { padding-block: 5rem; }
  .format-list div, .benchmark-list div { grid-template-columns: 1fr; gap: .25rem; }
  .benchmark-list dd { text-align: left; }
  .site-footer { display: grid; gap: .25rem; }
}