:root {
  --bg: #f4f6f1;
  --ink: #15342d;
  --muted: #4a5f58;
  --rule: #d3dbd2;
  --accent: #1d6b57;
  --mono-bg: #1d6b57;
  --mono-ink: #f2f5ef;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1f1b;
    --ink: #eef2ea;
    --muted: #a7bcb4;
    --rule: #27403a;
    --accent: #7fd0b4;
    --mono-bg: #7fd0b4;
    --mono-ink: #15342d;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 18px/1.6 var(--font);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.wrap { width: 100%; max-width: 44rem; margin: 0 auto; padding-inline: 1.5rem; }
header { padding-block: 2rem 0; }
.brand { display: flex; align-items: center; gap: 0.75rem; font-weight: 650; letter-spacing: 0.01em; }
.brand a { display: flex; align-items: center; gap: 0.75rem; color: inherit; text-decoration: none; }
.mono {
  width: 2.5rem; height: 2.5rem; border-radius: 0.6rem;
  background: var(--mono-bg); color: var(--mono-ink);
  display: grid; place-items: center;
  font-weight: 700; font-size: 1.05rem; letter-spacing: -0.02em;
}
main { flex: 1; padding-block: clamp(2rem, 6vh, 4rem) 3rem; }
h1 { text-wrap: balance; font-size: clamp(1.9rem, 5.6vw, 2.8rem); line-height: 1.1; margin: 0 0 0.75rem; letter-spacing: -0.02em; }
h2 { font-size: 1.2rem; line-height: 1.3; margin: 2.5rem 0 0.5rem; }
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }
.lede { font-size: clamp(1.1rem, 2.4vw, 1.3rem); line-height: 1.5; color: var(--muted); margin: 0 0 1.5rem; max-width: 36rem; }
.meta { color: var(--muted); font-size: 0.9rem; margin: 0 0 2rem; }
.faq { border-top: 1px solid var(--rule); }
details { border-bottom: 1px solid var(--rule); padding-block: 0.9rem; }
summary { cursor: pointer; font-weight: 600; line-height: 1.4; }
summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
details > :not(summary) { margin-top: 0.6rem; margin-bottom: 0; }
details ul { margin-bottom: 0; }
a { color: var(--accent); text-underline-offset: 0.2em; overflow-wrap: anywhere; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
footer { padding-block: 1.5rem 2rem; color: var(--muted); font-size: 0.9rem; }
footer a { margin-right: 1rem; }
@media (max-width: 34rem) {
  body { font-size: 17px; }
}