:root {
  --ink: #16191b;
  --muted: #5b6468;
  --line: #dfe4e2;
  --bg: #fafbfa;
  --card: #ffffff;
  --sage: #5f8573;
  --sage-soft: #e7efeb;
  --head: #07080b;
  --head-ink: #eef2f0;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e7ecea;
    --muted: #9aa5a1;
    --line: #262c2b;
    --bg: #0d0f11;
    --card: #14181a;
    --sage: #8fb3a1;
    --sage-soft: #1a2420;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--sage); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }

.top {
  background: var(--head);
  color: var(--head-ink);
  padding: 18px 20px;
}
.top-inner {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.top img { height: 22px; width: auto; display: block; }
.top nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 15px; }
.top nav a { color: var(--head-ink); text-decoration: none; opacity: .8; }
.top nav a:hover, .top nav a[aria-current] { opacity: 1; text-decoration: underline; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

.hero { padding: 24px 0 8px; }
.hero h1 { font-size: clamp(30px, 6vw, 44px); line-height: 1.15; margin: 0 0 16px; letter-spacing: -.02em; }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 24px; max-width: 34em; }
.pill {
  display: inline-block;
  background: var(--sage-soft);
  color: var(--sage);
  border-radius: 999px;
  padding: 4px 12px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 18px;
}
.features {
  list-style: none;
  padding: 0;
  margin: 32px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}
.features li {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 18px;
}
.features strong { display: block; margin-bottom: 4px; }
.features span { color: var(--muted); font-size: 15px; line-height: 1.5; }

.doc h1 { font-size: clamp(28px, 5vw, 36px); line-height: 1.2; margin: 0 0 6px; letter-spacing: -.01em; }
.doc .meta { color: var(--muted); font-size: 15px; margin: 0 0 32px; }
.doc h2 { font-size: 22px; margin: 40px 0 10px; padding-top: 8px; border-top: 1px solid var(--line); }
.doc h3 { font-size: 18px; margin: 26px 0 8px; }
.doc ul { padding-left: 1.2em; }
.doc li { margin: 4px 0; }
.note {
  background: var(--sage-soft);
  border-radius: 12px;
  padding: 14px 18px;
  margin: 20px 0;
}
.table-wrap { overflow-x: auto; margin: 12px 0 20px; }
table { border-collapse: collapse; width: 100%; font-size: 15px; line-height: 1.5; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; color: var(--muted); white-space: nowrap; }

footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
  padding: 24px 20px 40px;
}
footer .inner { max-width: 760px; margin: 0 auto; display: flex; gap: 8px 20px; flex-wrap: wrap; }
footer a { color: var(--muted); }