:root {
  color-scheme: light;
  --ink: #13211b;
  --muted-ink: #53635c;
  --paper: #f5f1e8;
  --panel: #fffdf8;
  --accent: #b8ff5a;
  --line: #cfd7ce;
  --dark: #14241e;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-underline-offset: 0.2em; }

.hero {
  background:
    radial-gradient(circle at 84% 20%, rgba(184, 255, 90, 0.2), transparent 30rem),
    var(--dark);
  color: #f8f7ef;
  min-height: 42rem;
}

nav, main, .section, footer {
  width: min(72rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.4rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
}

nav div { display: flex; gap: 1.2rem; }
nav a { text-decoration: none; }
.brand { font-weight: 800; letter-spacing: -0.02em; }

main { padding: 7rem 0 5rem; }

h1, h2, h3 { line-height: 1.08; letter-spacing: -0.035em; }
h1 { max-width: 15ch; margin: 0.3rem 0 1.5rem; font-size: clamp(3.2rem, 8vw, 6.7rem); }
h2 { max-width: 22ch; margin: 0.35rem 0 1.25rem; font-size: clamp(2.1rem, 5vw, 4rem); }
h3 { font-size: 1.25rem; }

.eyebrow {
  color: #789083;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero .eyebrow { color: var(--accent); }

.lede, .answer { max-width: 52rem; font-size: clamp(1.08rem, 2vw, 1.3rem); }
.lede { color: #d4ded7; }
.answer { margin-bottom: 2rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 2rem 0 3.8rem; }
.button { padding: 0.75rem 1rem; border: 1px solid #84968c; border-radius: 0.25rem; text-decoration: none; font-weight: 750; }
.button.primary { border-color: var(--accent); background: var(--accent); color: var(--ink); }

.proof { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); max-width: 44rem; margin: 0; }
.proof div { border-left: 1px solid #586c61; padding-left: 1rem; }
.proof dt { color: #9cad9f; font-size: 0.78rem; text-transform: uppercase; }
.proof dd { margin: 0.15rem 0 0; font-size: 1.7rem; font-weight: 800; }

.section { padding-block: 6rem; }
.section.muted { width: 100%; padding-inline: max(1.25rem, calc((100% - 72rem) / 2)); background: #e9eee5; }
.section.dark { width: 100%; padding-inline: max(1.25rem, calc((100% - 72rem) / 2)); background: var(--dark); color: #eff4ee; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--panel); }
th, td { padding: 1rem; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; }

.commands, .grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.commands > div, article { background: var(--panel); border: 1px solid var(--line); padding: 1.25rem; }
pre { overflow-x: auto; background: #0f1a16; color: #d9f5d6; padding: 1rem; border-radius: 0.2rem; }
code { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; font-size: 0.9em; }
.machine-links { margin-top: 2rem; }
.dark .eyebrow { color: var(--accent); }
.dark .answer, .dark li { color: #d4ded7; }

footer { padding-block: 2.5rem; color: var(--muted-ink); font-size: 0.9rem; }

@media (max-width: 760px) {
  nav div { display: none; }
  main { padding-top: 4.5rem; }
  .proof { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.2rem 0; }
  .commands, .grid { grid-template-columns: 1fr; }
  .section { padding-block: 4rem; }
}

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