:root {
  --bg: #FCFCFB;
  --ink: #1A1A18;
  --body: #35352F;
  --muted: #71716A;
  --rule: rgba(26, 26, 24, 0.12);
  --card: #F4F4F1;
  --accent: #3D5220;
  --accent-ink: #FCFCFB;
  --forest: #28331A;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161614;
    --ink: #F2F2EE;
    --body: #CFCFC7;
    --muted: #8C8C84;
    --rule: rgba(242, 242, 238, 0.14);
    --card: #1F1F1C;
    --accent: #A8C271;
    --accent-ink: #161614;
    --forest: #C8DD86;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding: 2.5rem 1.25rem 5rem;
  background: var(--bg);
  color: var(--body);
  font: 400 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 44rem; margin: 0 auto; }

/* --- masthead ------------------------------------------------------------ */
.masthead {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin-bottom: 3rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--rule);
  font-size: 0.95rem;
}
.masthead a { color: var(--ink); text-decoration: none; font-weight: 600; letter-spacing: -0.01em; }
.masthead a:hover { text-decoration: underline; }
.masthead .sep { color: var(--muted); }
.masthead .here { color: var(--muted); font-weight: 400; }

/* --- type ---------------------------------------------------------------- */
h1 {
  color: var(--ink);
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin: 0 0 0.6rem;
}
h2 {
  color: var(--ink);
  font-size: 1.25rem;
  line-height: 1.3;
  margin: 2.75rem 0 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
}
h2.plain { border-top: 0; padding-top: 0; margin-top: 2.5rem; }
h3 { color: var(--ink); font-size: 1.02rem; margin: 1.75rem 0 0.5rem; }
p, li { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin-bottom: 0.5rem; }
strong { color: var(--ink); font-weight: 600; }
a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.meta { color: var(--muted); font-size: 0.92rem; margin: 0 0 2.5rem; }
.lede { font-size: 1.12rem; margin-bottom: 1.5rem; }
.tagline { color: var(--muted); font-size: 1.12rem; margin: 0 0 2.5rem; }

/* --- blocks -------------------------------------------------------------- */
.callout {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 8px;
  padding: 1.1rem 1.25rem;
  margin: 1.5rem 0;
}
.callout p:last-child, .callout ul:last-child { margin-bottom: 0; }

.card {
  display: block;
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 1.5rem;
  margin: 1.25rem 0;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.15s ease;
}
.card:hover { border-color: var(--accent); }
.card h3 { margin: 0 0 0.35rem; font-size: 1.2rem; letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--muted); font-size: 0.98rem; }
.card .status {
  display: inline-block;
  margin-top: 0.9rem;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--rule);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
}

.features { list-style: none; padding: 0; margin: 1.5rem 0; }
.features li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--rule);
  margin: 0;
}
.features li:last-child { border-bottom: 0; }
.features b { color: var(--ink); display: block; margin-bottom: 0.15rem; }

dl { margin: 1.5rem 0; }
dt { color: var(--ink); font-weight: 600; margin-top: 1.5rem; }
dd { margin: 0.4rem 0 0; }

footer {
  max-width: 44rem;
  margin: 4rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.92rem;
}
footer a { color: var(--muted); }
footer nav { margin-bottom: 0.6rem; }
footer nav a { margin-right: 1rem; }