:root {
  --ink: #1b1d22;
  --muted: #5d6270;
  --line: #e4e1da;
  --paper: #fbfaf7;
  --accent: #2f5d50;
  --accent-soft: #e6efe9;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 17px/1.7 var(--sans); -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
header.site {
  position: sticky; top: 0; z-index: 10;
  background: rgba(251,250,247,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.bar { max-width: 1080px; margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { font: 600 20px var(--serif); color: var(--ink); text-decoration: none; display: flex; align-items: center; gap: 10px; }
.brand .logo { display: block; height: 40px; width: auto; }
nav a { margin-left: 6px; padding: 7px 14px; border-radius: 999px; color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); background: var(--accent-soft); }
nav a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

.hero { max-width: 1080px; margin: 0 auto; padding: 64px 24px 32px; }
.eyebrow { text-transform: uppercase; letter-spacing: .14em; font-size: 12px; color: var(--accent); font-weight: 700; }
h1 { font: 500 clamp(36px, 6vw, 56px)/1.1 var(--serif); margin: 10px 0 14px; letter-spacing: -.01em; }
.meta { color: var(--muted); font-size: 15px; }

.layout { max-width: 1080px; margin: 0 auto; padding: 8px 24px 80px; display: grid; grid-template-columns: 240px 1fr; gap: 56px; }
.toc { position: sticky; top: 84px; align-self: start; font-size: 14px; }
.toc h2 { font: 700 12px var(--sans); text-transform: uppercase; letter-spacing: .12em; color: var(--muted); margin: 0 0 10px; }
.toc ol { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--line); }
.toc a { display: block; padding: 5px 0 5px 14px; color: var(--muted); text-decoration: none; margin-left: -1px; border-left: 2px solid transparent; }
.toc a:hover { color: var(--ink); border-left-color: var(--accent); }

article { max-width: 700px; }
article .lead { font-size: 19px; color: #33363d; }
article section { padding-top: 12px; scroll-margin-top: 80px; }
article h2 { font: 500 26px/1.3 var(--serif); margin: 36px 0 8px; }
article h2 .n { color: var(--accent); margin-right: 10px; font-family: var(--sans); font-size: 15px; font-weight: 700; vertical-align: 3px; }
article h3 { font-size: 17px; margin: 22px 0 4px; }
article ul { padding-left: 22px; }
article li { margin: 4px 0; }
.note { background: var(--accent-soft); border-radius: 12px; padding: 18px 22px; margin: 24px 0; font-size: 16px; }
.contact { border: 1px solid var(--line); background: #fff; border-radius: 14px; padding: 22px 24px; margin-top: 18px; }

.cards { max-width: 1080px; margin: 0 auto; padding: 8px 24px 96px; display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.card { display: block; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 32px; text-decoration: none; color: var(--ink); transition: transform .2s, box-shadow .2s, border-color .2s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(30,40,35,.08); border-color: #cfd8d2; }
.card .icon { width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; font-size: 22px; }
.card h2 { font: 500 26px var(--serif); margin: 18px 0 6px; }
.card p { color: var(--muted); margin: 0 0 18px; }
.card .go { color: var(--accent); font-weight: 600; font-size: 15px; }

footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer.site .bar { padding: 24px; }
footer.site a { color: var(--muted); margin-left: 16px; }

@media (max-width: 820px) {
  .layout { grid-template-columns: 1fr; gap: 8px; }
  .toc { position: static; background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px 18px; }
  .hero { padding-top: 40px; }
  nav a { padding: 6px 10px; margin-left: 2px; }
}
@media print {
  header.site, .toc, footer.site { display: none; }
  .layout { display: block; }
}