:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1a1c1e;
  --muted: #5b6066;
  --accent: #2f6df6;
  --card: #f5f7fa;
  --border: #e2e6ea;
  --todo-bg: #fff4c2;
  --todo-fg: #6a5300;
  --maxw: 46rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --fg: #e7eaee;
    --muted: #9aa1a9;
    --accent: #6ea0ff;
    --card: #171a20;
    --border: #262b33;
    --todo-bg: #3a3410;
    --todo-fg: #ffe27a;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 2.5rem 1.25rem 4rem; }

header.site { display: flex; align-items: baseline; gap: .6rem; margin-bottom: 2rem; }
header.site .brand { font-weight: 700; font-size: 1.15rem; letter-spacing: -.01em; }
header.site nav { margin-left: auto; display: flex; gap: 1.1rem; }

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

h1 { font-size: 1.9rem; line-height: 1.2; letter-spacing: -.02em; margin: 0 0 .4rem; }
h2 { font-size: 1.25rem; margin: 2.2rem 0 .6rem; letter-spacing: -.01em; }

p, ul, table { margin: 0 0 1rem; }
ul { padding-left: 1.2rem; }
li { margin: .3rem 0; }

.lede { font-size: 1.1rem; }
.muted { color: var(--muted); }
.meta { color: var(--muted); font-size: .9rem; margin-bottom: 2rem; }

table { width: 100%; border-collapse: collapse; font-size: .95rem; }
th, td { text-align: left; vertical-align: top; padding: .6rem .7rem; border: 1px solid var(--border); }
th { background: var(--card); font-weight: 600; }

/* Marks a value the owner must fill before the page goes live. */
.todo {
  background: var(--todo-bg);
  color: var(--todo-fg);
  padding: 0 .35em;
  border-radius: .25em;
  font-weight: 600;
}

.cta {
  display: inline-block;
  margin: .3rem .6rem .3rem 0;
  padding: .55rem .9rem;
  background: var(--accent);
  color: #fff;
  border-radius: .5rem;
  font-weight: 600;
}
.cta:hover { text-decoration: none; filter: brightness(1.05); }

footer.site {
  margin-top: 3rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: .9rem;
}