:root {
  --paper: #f4f5f3;
  --ink: #15171a;
  --ink-muted: #5e6368;
  --verde: #146b52;
  --rosso: #c21f2b;
  --hairline: rgba(21, 23, 26, 0.16);
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.65;
  font-size: 17px;
}
.wrap { max-width: 640px; margin: 0 auto; padding: 48px 24px 96px; }
.masthead {
  display: flex; align-items: baseline; gap: 14px;
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 14px; margin-bottom: 40px;
}
.masthead a { text-decoration: none; }
.brand {
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-weight: 700; font-size: 22px; color: var(--ink); letter-spacing: -0.5px;
}
.brand .dot { color: var(--rosso); }
.tag { font-style: italic; color: var(--ink-muted); font-size: 15px; }
nav { margin-left: auto; display: flex; gap: 18px; }
nav a {
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 13px; letter-spacing: 0.08em; text-transform: lowercase;
  color: var(--ink-muted); text-decoration: none;
}
nav a:hover, nav a.active { color: var(--verde); }
h1 { font-style: italic; font-weight: 600; font-size: 34px; letter-spacing: -0.5px; margin-bottom: 6px; }
.updated {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--ink-muted); margin-bottom: 36px;
}
h2 {
  font-family: -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 15px; letter-spacing: 0.02em;
  margin: 34px 0 10px; padding-top: 22px;
  border-top: 1px solid var(--hairline);
}
p, ul { margin-bottom: 14px; color: var(--ink); }
ul { padding-left: 22px; }
li { margin-bottom: 8px; }
a { color: var(--verde); }
.lede { font-size: 19px; }
.foot {
  margin-top: 64px; padding-top: 16px; border-top: 1px solid var(--hairline);
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px; letter-spacing: 0.1em; color: var(--ink-muted);
}
.cards { display: grid; gap: 16px; margin-top: 36px; }
.card {
  border: 1px solid var(--hairline); border-left: 2px solid var(--verde);
  border-radius: 10px; padding: 18px 20px; text-decoration: none; color: var(--ink);
  background: rgba(255, 255, 255, 0.4);
}
.card b { font-family: -apple-system, "Helvetica Neue", Arial, sans-serif; }
.card span { display: block; color: var(--ink-muted); font-size: 15px; margin-top: 2px; }