:root {
  --ink: #1b2521; --paper: #f6f4ee; --deep: #0e3b3f;
  --accent: #c65b3c; --line: #d8d2c2; --muted: #5c6b62;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink);
  font-family: 'Iowan Old Style', 'Palatino Linotype', Georgia, serif; line-height: 1.65; }
.wrap { max-width: 680px; margin: 0 auto; padding: 0 24px; }
header.site { border-bottom: 1px solid var(--line); padding: 28px 0; }
header.site .wrap { display: flex; justify-content: space-between; align-items: baseline; }
.brand { font-weight: 700; letter-spacing: .02em; font-size: 1.05rem; color: var(--deep); text-decoration: none; }
nav.top a { font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; font-size: .8rem;
  letter-spacing: .06em; text-transform: uppercase; color: var(--muted); text-decoration: none; }
nav.top a:hover { color: var(--accent); }
nav.top .email { text-transform: none; letter-spacing: normal; margin-left: 18px; }
.hero { padding: 64px 0 12px; }
.hero .kicker { font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--accent); margin-bottom: 14px; }
h1.title { font-size: 2.3rem; line-height: 1.15; margin: 0 0 8px; color: var(--deep); font-weight: 700; }
.subtitle { font-size: 1.05rem; color: var(--muted); font-style: italic; margin: 0 0 40px; }
article p { margin: 0 0 22px; font-size: 1.08rem; }
article h2 { font-size: 1.3rem; color: var(--deep); margin: 44px 0 16px; padding-top: 8px; border-top: 1px solid var(--line); }
article h3 { font-size: 1.05rem; color: var(--deep); margin: 30px 0 12px; font-style: italic; }
.toc { margin: 40px 0 60px; padding: 0; list-style: none; }
.toc li { border-bottom: 1px solid var(--line); }
.toc a { display: flex; justify-content: space-between; align-items: baseline; padding: 16px 0;
  text-decoration: none; color: var(--ink); font-size: 1.02rem; }
.toc a:hover .arrow { transform: translateX(4px); opacity: 1; }
.toc .arrow { color: var(--accent); opacity: .55; transition: transform .15s ease, opacity .15s ease; }
.toc .num { font-family: -apple-system,BlinkMacSystemFont,sans-serif; font-size: .78rem; color: var(--muted); margin-right: 14px; }
.downloads { margin: 50px 0 60px; padding: 28px 24px; background: #fffdf8; border: 1px solid var(--line); }
.downloads h2 { margin-top: 0; border-top: none; font-size: 1.1rem; }
.dl-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.dl-links a { font-family: -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif; font-size: .85rem;
  padding: 10px 16px; border: 1px solid var(--deep); color: var(--deep); text-decoration: none; }
.dl-links a:hover { background: var(--deep); color: #fff; }
.dl-links a.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagenav { display: flex; justify-content: space-between; margin: 60px 0 20px; padding-top: 24px;
  border-top: 1px solid var(--line); font-family: -apple-system,BlinkMacSystemFont,sans-serif; font-size: .85rem; }
.pagenav a { color: var(--deep); text-decoration: none; }
.pagenav a:hover { color: var(--accent); }
.contact { margin: 50px 0 40px; }
.contact a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent); }
footer.site { border-top: 1px solid var(--line); padding: 30px 0 60px;
  font-family: -apple-system,BlinkMacSystemFont,sans-serif; font-size: .8rem; color: var(--muted); }
@media (max-width: 600px) { h1.title { font-size: 1.7rem; } .wrap { padding: 0 18px; } }