:root {
  --paper: #f5f4f0;
  --card: #ffffff;
  --border: #e8e6df;
  --ink: #17181a;
  --muted: #8a8880;
  --blue: #3478f6;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: -apple-system, "SF Pro Text", "Helvetica Neue", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 96px;
}
.eyebrow {
  color: var(--blue);
  font-weight: 800;
  letter-spacing: 0.22em;
  font-size: 13px;
}
h1 {
  font-size: 40px;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 10px 0 6px;
}
.meta { color: var(--muted); font-size: 14px; margin-bottom: 34px; }
h2 { font-size: 22px; margin: 36px 0 8px; letter-spacing: -0.01em; }
p, li { color: #3a3a38; font-size: 16px; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 20px 24px;
  margin: 18px 0;
}
footer { color: var(--muted); font-size: 13px; margin-top: 60px; }