:root {
  --ink: #1b1a17;
  --ink-soft: #55524b;
  --ink-faint: #8b877e;
  --paper: #f7f5f0;
  --card: #ffffff;
  --rule: #e2ded4;
  --accent: #1b1a17;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #f2efe8;
    --ink-soft: #b0aca3;
    --ink-faint: #7d7970;
    --paper: #15140f;
    --card: #1d1c17;
    --rule: #2e2c26;
    --accent: #f2efe8;
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
}

body {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 40px 24px;
}

body.centered { justify-content: center; }

main { width: 100%; max-width: 560px; }

.mark {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 34px;
  text-decoration: none;
  border: 0;
  color: var(--ink);
}

.mark:hover { border: 0; }
.mark svg { display: block; flex: none; }

.wordmark {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(1.6rem, 5vw, 2.15rem);
  line-height: 1.28;
  font-weight: 600;
  letter-spacing: -0.022em;
  margin: 0 0 20px;
  text-wrap: balance;
}

h2 {
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 32px 0 10px;
}

p { margin: 0 0 16px; }

.lede {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin: 0 0 34px;
  max-width: 48ch;
}

.body-copy { color: var(--ink-soft); }
.body-copy strong { color: var(--ink); font-weight: 600; }

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 12px;
  padding: 22px 24px;
  margin-bottom: 34px;
}

.label {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 8px;
}

.card p { margin: 0 0 14px; color: var(--ink-soft); }
.card p:last-child { margin: 0; }

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
  padding-bottom: 1px;
  transition: border-color 0.15s ease;
}

a:hover { border-bottom-color: var(--accent); }

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 2px;
}

.updated {
  font-size: 0.85rem;
  color: var(--ink-faint);
  margin: 0 0 30px;
}

footer {
  border-top: 1px solid var(--rule);
  padding-top: 20px;
  margin-top: 44px;
  font-size: 0.85rem;
  color: var(--ink-faint);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  align-items: baseline;
}

footer p { margin: 0; }
footer nav { display: flex; flex-wrap: wrap; gap: 8px 18px; }