:root {
  --ink: #1c2420;
  --muted: #5a6862;
  --accent: #177e63;
  --accent-soft: #e7f4ef;
  --rule: #e2e8e5;
  --bg: #fcfdfc;
}
* { box-sizing: border-box; margin: 0; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
}
.wrap { max-width: 680px; margin: 0 auto; padding: 0 1.25rem; }
.sans { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }

header.site {
  border-bottom: 1px solid var(--rule);
  padding: 1.1rem 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}
header.site .wrap { display: flex; align-items: baseline; justify-content: space-between; }
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; color: var(--ink); text-decoration: none; }
.brand span { color: var(--accent); }
nav.top { font-size: 0.85rem; }
nav.top a { color: var(--muted); text-decoration: none; margin-left: 1rem; }
nav.top a:hover { color: var(--accent); }

.hero { padding: 3.5rem 0 2.5rem; }
h1 { font-size: 2.1rem; line-height: 1.2; letter-spacing: -0.015em; font-weight: 700; }
.hero p.lede { margin-top: 1rem; font-size: 1.15rem; color: var(--muted); }

section.topics { padding: 1rem 0 2rem; }
.topic { border-top: 1px solid var(--rule); padding: 1.6rem 0; }
.topic h2 { font-size: 1.25rem; margin-bottom: 0.5rem; letter-spacing: -0.01em; }
.topic p { color: var(--ink); }
.topic p.pick { margin-top: 0.75rem; font-size: 0.95rem; color: var(--muted); }
.topic p.pick a { color: var(--accent); }
.topic a.more {
  display: inline-block;
  margin-top: 0.6rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.kicker {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--accent);
  display: block;
  margin-bottom: 0.35rem;
}
section.method {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 1.5rem 1.6rem;
  margin: 0.5rem 0 3rem;
}
section.method h2 { font-size: 1.1rem; margin-bottom: 0.6rem; }
section.method ul { padding-left: 1.2rem; }
section.method li { margin-bottom: 0.35rem; }

/* Articles */
main.article { padding: 2.5rem 0 3rem; }
main.article h1 { font-size: 1.85rem; }
.updated {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.8rem;
  color: var(--muted);
  margin-top: 0.6rem;
}
main.article p.lede { margin-top: 1rem; font-size: 1.1rem; color: var(--muted); }
main.article h2 { font-size: 1.3rem; letter-spacing: -0.01em; margin: 2.4rem 0 0.6rem; }
main.article p { margin-top: 0.75rem; }
main.article ul, main.article ol { margin-top: 0.75rem; padding-left: 1.3rem; }
main.article li { margin-bottom: 0.4rem; }
main.article a { color: var(--accent); }
.tablewrap { overflow-x: auto; margin-top: 1rem; }
table {
  border-collapse: collapse;
  width: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
}
th, td { text-align: left; padding: 0.6rem 0.7rem; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); }
td:first-child { font-weight: 600; white-space: nowrap; }
.pickbox {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 1.3rem 1.5rem;
  margin-top: 2.4rem;
}
.pickbox h2 { margin-top: 0 !important; font-size: 1.1rem !important; }
.pickbox p.fine { font-size: 0.8rem; color: var(--muted); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; margin-top: 0.7rem; }
.sources { margin-top: 2.5rem; border-top: 1px solid var(--rule); padding-top: 1.2rem; }
.sources h2 { font-size: 1rem !important; margin-top: 0 !important; }
.sources ol { font-size: 0.85rem; color: var(--muted); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; }
.crosslink { margin-top: 2rem; font-size: 0.95rem; }

footer {
  border-top: 1px solid var(--rule);
  padding: 1.5rem 0 2.5rem;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 0.85rem;
  color: var(--muted);
}
footer a { color: var(--muted); }

@media (max-width: 480px) {
  h1 { font-size: 1.65rem; }
  main.article h1 { font-size: 1.5rem; }
  .hero { padding: 2.5rem 0 1.5rem; }
}