:root {
  --bg: #fbfbf9;
  --bg-alt: #f1f1ec;
  --fg: #16181d;
  --muted: #565b66;
  --line: #dcdcd4;
  --accent: #0b6e4f;
  --accent-fg: #ffffff;
  --code-bg: #ecece5;
  --warn: #9a4b00;
  --max: 68rem;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013;
    --bg-alt: #161a1f;
    --fg: #e8eaed;
    --muted: #a0a7b2;
    --line: #2a3038;
    --accent: #3ddc97;
    --accent-fg: #06130d;
    --code-bg: #1b2027;
    --warn: #f0a050;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans", sans-serif;
}
a { color: var(--accent); text-underline-offset: 2px; }
code, pre, .mono { font-family: ui-monospace, "JetBrains Mono", "Cascadia Code", Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: .1em .35em; border-radius: 4px; font-size: .9em; }
pre { background: var(--code-bg); padding: 1rem; border-radius: 8px; overflow-x: auto; font-size: .88rem; line-height: 1.5; }
pre code { background: none; padding: 0; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

header.site { border-bottom: 1px solid var(--line); }
header.site .wrap { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; align-items: center; justify-content: space-between; padding-top: .9rem; padding-bottom: .9rem; }
.brand { font-weight: 700; color: var(--fg); text-decoration: none; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
nav.site { display: flex; flex-wrap: wrap; gap: .25rem 1.1rem; font-size: .95rem; }
nav.site a { color: var(--muted); text-decoration: none; }
nav.site a:hover, nav.site a[aria-current="page"] { color: var(--fg); }

.hero { padding: 4.5rem 0 3.5rem; border-bottom: 1px solid var(--line); }
.eyebrow { font-size: .85rem; letter-spacing: .08em; text-transform: uppercase; color: var(--accent); font-weight: 600; margin: 0 0 1rem; }
h1 { font-size: clamp(2rem, 5.5vw, 3.4rem); line-height: 1.1; letter-spacing: -.025em; margin: 0 0 1.25rem; max-width: 22ch; }
.lede { font-size: clamp(1.05rem, 2.2vw, 1.25rem); color: var(--muted); max-width: 46rem; margin: 0 0 2rem; }
.cta { display: flex; flex-wrap: wrap; gap: .75rem; }
.btn { display: inline-block; padding: .7rem 1.2rem; border-radius: 8px; font-weight: 600; text-decoration: none; border: 1px solid var(--line); color: var(--fg); }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }

section { padding: 3.5rem 0; border-bottom: 1px solid var(--line); }
section.alt { background: var(--bg-alt); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.1rem); letter-spacing: -.02em; line-height: 1.2; margin: 0 0 1rem; }
h3 { font-size: 1.1rem; margin: 0 0 .4rem; }
p { margin: 0 0 1rem; max-width: 46rem; }
.sub { color: var(--muted); max-width: 46rem; margin-bottom: 2rem; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(17rem, 1fr)); }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 1.25rem; background: var(--bg); }
.card p { font-size: .95rem; color: var(--muted); margin: 0; }

.stats { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr)); margin: 1.5rem 0; }
.stat b { display: block; font-size: 2.2rem; line-height: 1; color: var(--accent); letter-spacing: -.02em; }
.stat span { font-size: .9rem; color: var(--muted); }

ol.flow { counter-reset: s; list-style: none; padding: 0; margin: 0 0 1rem; display: grid; gap: .6rem; max-width: 46rem; }
ol.flow li { counter-increment: s; border: 1px solid var(--line); border-radius: 8px; padding: .75rem 1rem .75rem 3rem; position: relative; background: var(--bg); }
ol.flow li::before { content: counter(s); position: absolute; left: 1rem; top: .75rem; font-weight: 700; color: var(--accent); }

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; min-width: 36rem; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .7rem .9rem; border-bottom: 1px solid var(--line); }
th { background: var(--bg-alt); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.yes { color: var(--accent); font-weight: 600; }
.no { color: var(--warn); font-weight: 600; }

ul.tight { padding-left: 1.2rem; max-width: 46rem; }
ul.tight li { margin: .3rem 0; }
.note { border-left: 3px solid var(--warn); padding: .5rem 1rem; background: var(--bg-alt); border-radius: 0 8px 8px 0; max-width: 46rem; }

footer.site { padding: 2.5rem 0 3rem; color: var(--muted); font-size: .9rem; }
footer.site p { max-width: none; }

@media (max-width: 640px) {
  table { min-width: 0; font-size: .88rem; }
  th, td { padding: .55rem .6rem; }
  .hero { padding: 3rem 0 2.5rem; }
  section { padding: 2.5rem 0; }
}