:root {
  --ink: #1b1b1f;
  --muted: #5c5c66;
  --rule: #e2e2e6;
  --bg: #ffffff;
  --accent: #1f5f4b;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.65 ui-sans-serif, system-ui, "Segoe UI", Helvetica, Arial, sans-serif;
}

.wrap {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

header {
  border-bottom: 1px solid var(--rule);
  margin-bottom: 3rem;
  padding-bottom: 1.5rem;
}

header .name {
  font-size: 1.1rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--ink);
}

nav { margin-top: 0.75rem; }

nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 1.25rem;
  font-size: 0.9rem;
}

nav a:hover { color: var(--accent); text-decoration: underline; }

h1 {
  font-size: 1.9rem;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 0.6rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1rem;
  margin: 1.75rem 0 0.4rem;
}

p, li { color: var(--ink); }

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  margin-bottom: 2rem;
}

address {
  font-style: normal;
  line-height: 1.7;
}

a { color: var(--accent); }

ul { padding-left: 1.2rem; }

li { margin-bottom: 0.35rem; }

dl { margin: 0; }
dt { font-weight: 600; margin-top: 1rem; }
dd { margin: 0.15rem 0 0; color: var(--muted); }

footer {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--rule);
  font-size: 0.875rem;
  color: var(--muted);
}

footer a { color: var(--muted); }

.todo {
  background: #fff8e1;
  border-left: 3px solid #d9a300;
  padding: 0.75rem 1rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}