:root {
  --paper: #f6f1e7;
  --card: #fffdf8;
  --ink: #2b2620;
  --ink-soft: #6b6157;
  --rule: #e4dccd;
  --accent: #c8642c;
  --accent-ink: #9a4517;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #1b1916;
    --card: #24211d;
    --ink: #efe8dc;
    --ink-soft: #b3a999;
    --rule: #3a352e;
    --accent: #e7894f;
    --accent-ink: #f0a273;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

a { color: var(--accent-ink); text-underline-offset: 2px; }
a:hover { color: var(--accent); }

.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }

header.site {
  border-bottom: 1px solid var(--rule);
}
header.site .wrap {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding-top: 18px; padding-bottom: 18px; flex-wrap: wrap;
}
.brand {
  font-weight: 700; font-size: 20px; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.brand span { color: var(--accent); }
nav a { margin-left: 18px; color: var(--ink-soft); text-decoration: none; font-size: 15px; }
nav a:first-child { margin-left: 0; }
nav a:hover, nav a[aria-current="page"] { color: var(--ink); }

main { padding: 48px 0 64px; }

h1 { font-size: 34px; line-height: 1.2; letter-spacing: -0.02em; margin: 0 0 12px; }
h2 { font-size: 22px; line-height: 1.3; margin: 40px 0 8px; }
h3 { font-size: 18px; margin: 28px 0 6px; }
p, ul { margin: 0 0 14px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }

.lede { font-size: 20px; color: var(--ink-soft); margin-bottom: 36px; }
.meta { color: var(--ink-soft); font-size: 15px; }

.card {
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 16px;
  padding: 24px;
  margin: 0 0 20px;
}
.card h2 { margin-top: 0; }
.badge {
  display: inline-block; font-size: 13px; font-weight: 600;
  color: var(--accent-ink); border: 1px solid var(--accent);
  border-radius: 999px; padding: 2px 10px; margin-bottom: 10px;
}

.summary {
  background: var(--card);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
  padding: 16px 20px;
  margin: 24px 0 8px;
}
.summary ul { margin: 0; }

footer.site {
  border-top: 1px solid var(--rule);
  color: var(--ink-soft); font-size: 14px;
}
footer.site .wrap { padding-top: 20px; padding-bottom: 32px; }
footer.site a { color: var(--ink-soft); }

@media (max-width: 480px) {
  h1 { font-size: 28px; }
  .lede { font-size: 18px; }
  main { padding: 32px 0 48px; }
}