:root {
  color-scheme: dark;
  --background: #020617;
  --surface: #0f172a;
  --rule: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #fbbf24;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--background); color: var(--text); font: 400 1rem/1.6 "Avenir Next", Avenir, "Segoe UI", sans-serif; }
a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
p { text-wrap: pretty; }
h1, h2, h3 { text-wrap: balance; }
.container { width: min(100% - 3rem, 74rem); margin-inline: auto; }
.skip-link { position: absolute; top: -5rem; left: 1rem; z-index: 10; padding: .6rem 1rem; background: var(--accent); color: var(--background); }
.skip-link:focus { top: 1rem; color: var(--background); }

.site-header { border-bottom: 1px solid var(--rule); }
.header-inner, .footer-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; }
.header-inner { min-height: 5.5rem; }
.brand { font-size: 1.4rem; font-weight: 700; }
.brand-mark { color: var(--accent); margin-left: .15rem; }
nav { display: flex; gap: 1.75rem; color: var(--muted); font-size: .93rem; }

.hero { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); align-items: center; gap: clamp(2.5rem, 6vw, 6rem); padding-block: clamp(5rem, 10vw, 9rem); }
h1 { max-width: 11ch; margin: 0; font-size: clamp(3.2rem, 6vw, 5.8rem); font-weight: 600; line-height: 1.04; }
.hero-copy > p { max-width: 50ch; margin: 2rem 0 0; color: var(--muted); font-size: 1.18rem; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.3rem; margin-top: 2rem; }
.button { display: inline-block; padding: .8rem 1.2rem; border: 1px solid var(--accent); border-radius: .35rem; background: var(--accent); color: var(--background); font-weight: 700; }
.button:hover { background: transparent; color: var(--accent); }
.quiet-link { color: var(--text); font-weight: 600; }
.quiet-link span { margin-left: .15rem; color: var(--accent); }

.artifact { min-width: 0; margin: 0; padding: 1.5rem; border: 1px solid var(--rule); border-radius: .8rem; background: var(--surface); }
.artifact-heading, .formula-line { display: flex; align-items: center; gap: 1rem; font: 500 .8rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.artifact-heading { justify-content: space-between; padding-bottom: 1rem; color: var(--muted); }
.artifact-heading span:first-child { color: var(--text); }
.formula-line { padding: .7rem 1rem; border: 1px solid var(--rule); border-radius: .35rem; background: var(--background); }
.formula-line span { padding-right: 1rem; border-right: 1px solid var(--rule); color: var(--muted); }
.formula-line code { color: var(--accent); white-space: nowrap; }
.artifact table { width: 100%; margin-top: 1.2rem; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.artifact caption { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.artifact th, .artifact td { width: 25%; height: 3rem; border: 1px solid var(--rule); text-align: center; }
.artifact th { color: var(--muted); font-weight: 500; font-size: .85rem; }
.artifact td.selected { border: 2px solid var(--accent); color: var(--accent); font-weight: 700; }
figcaption { margin-top: 1rem; color: var(--muted); font-size: .86rem; }

.details { display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); gap: clamp(2.5rem, 8vw, 8rem); padding-bottom: clamp(5rem, 10vw, 9rem); }
h2 { margin: 0; font-size: clamp(2rem, 3vw, 3rem); font-weight: 600; line-height: 1.15; }
.section-intro p, .install p { max-width: 40ch; margin-top: 1rem; color: var(--muted); }
.feature { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 2rem; padding: 1.35rem 0; border-top: 1px solid var(--rule); }
.feature:last-child { border-bottom: 1px solid var(--rule); }
.feature h3, .feature p { margin: 0; }
.feature h3 { font-size: 1.08rem; font-weight: 600; }
.feature p { color: var(--muted); }

.install { border-top: 1px solid var(--rule); }
.install-inner { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 8vw, 8rem); padding-block: clamp(4rem, 7vw, 7rem); }
pre { margin: 0 0 1.2rem; padding: 1.3rem 1.5rem; overflow-x: auto; border: 1px solid var(--rule); border-radius: .4rem; background: var(--surface); color: var(--accent); font: 500 .95rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.site-footer { border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }
.footer-inner { min-height: 5rem; }

@media (max-width: 850px) {
  .hero, .details { grid-template-columns: 1fr; }
  .hero { padding-bottom: 5rem; }
  .artifact { max-width: 38rem; }
  .details { gap: 2rem; }
}
@media (max-width: 580px) {
  .container { width: min(100% - 2rem, 74rem); }
  .header-inner { min-height: 4.5rem; }
  nav { gap: 1rem; font-size: .85rem; }
  .hero { padding-top: 4rem; }
  h1 { font-size: clamp(2.7rem, 12vw, 4rem); }
  .hero-copy > p { font-size: 1.05rem; }
  .feature, .install-inner { grid-template-columns: 1fr; gap: .5rem; }
  .feature { padding-block: 1.2rem; }
  .install-inner { gap: 1.5rem; }
  .footer-inner { align-items: flex-start; flex-direction: column; justify-content: center; gap: .25rem; padding-block: 1rem; }
}