:root {
  --bg: #f7f5f0;
  --ink: #1a1a1a;
  --muted: #5a5a5a;
  --line: #d9d4c8;
  --accent: #0b5fff;
  --card: #ffffff;
  --max: 42rem;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.05rem;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
.wrap { max-width: calc(var(--max) + 8rem); margin: 0 auto; padding: 0 1.25rem; }
.site-header {
  border-bottom: 1px solid var(--line);
  background: var(--card);
  position: sticky; top: 0; z-index: 10;
}
.brand-row {
  display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between;
  gap: 0.75rem 1.5rem; padding: 1rem 0 0.75rem;
}
.masthead {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-weight: 700; font-size: 1.35rem; letter-spacing: -0.02em;
  color: var(--ink); text-decoration: none;
}
.tagline { color: var(--muted); font-size: 0.9rem; margin: 0; }
nav.primary {
  display: flex; flex-wrap: wrap; gap: 0.35rem 1rem;
  padding: 0 0 0.9rem;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 0.92rem;
}
nav.primary a { color: var(--ink); text-decoration: none; }
nav.primary a:hover, nav.primary a[aria-current="page"] { color: var(--accent); text-decoration: underline; }
main { padding: 2rem 0 3rem; }
h1, h2, h3 {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  line-height: 1.25; letter-spacing: -0.02em;
}
h1 { font-size: clamp(1.75rem, 4vw, 2.25rem); margin: 0 0 1rem; }
h2 { font-size: 1.25rem; margin: 2rem 0 0.75rem; }
p { margin: 0 0 1rem; }
.lede { font-size: 1.15rem; color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 1.25rem 1.35rem; margin: 1.25rem 0;
}
.note {
  border-left: 3px solid var(--accent);
  padding: 0.75rem 1rem; background: #eef4ff; margin: 1.25rem 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 0.95rem;
}
ul { padding-left: 1.25rem; }
li { margin: 0.35rem 0; }
.site-footer {
  border-top: 1px solid var(--line); background: var(--card);
  padding: 1.5rem 0 2rem;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  font-size: 0.88rem; color: var(--muted);
}
.footer-nav { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; margin-bottom: 0.75rem; }
.footer-nav a { color: var(--muted); }
.email { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
@media (max-width: 640px) {
  .brand-row { flex-direction: column; align-items: flex-start; }
  nav.primary { gap: 0.5rem 0.85rem; }
}