:root {
  --bg: #F7F3ED;
  --surface: #FFFFFF;
  --text: #4E4437;
  --muted: #857762;
  --border: #DDD5C8;
  --accent: #AE9C80;
  --accent-strong: #8E7A5B;
  --link: #6E5C3F;
  --max-width: 880px;
  --radius: 12px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

a { color: var(--link); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text);
  font-size: 18px;
}
.brand img { width: 28px; height: 28px; }
.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 14px;
}
.nav a { color: var(--muted); }
.nav a:hover { color: var(--accent-strong); text-decoration: none; }
.nav .cta {
  background: var(--accent-strong);
  color: #fff;
  padding: 6px 12px;
  border-radius: 999px;
  font-weight: 600;
}
.nav .cta:hover { background: var(--text); }

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1, h2, h3 { color: var(--text); line-height: 1.25; }
h1 { font-size: 32px; margin: 0 0 8px; }
h2 { font-size: 22px; margin: 32px 0 12px; }
h3 { font-size: 18px; margin: 24px 0 8px; }

.lede {
  font-size: 18px;
  color: var(--muted);
  margin: 0 0 24px;
  max-width: 60ch;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin: 16px 0;
}

.kbd {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
  color: var(--text);
}

ul, ol { padding-left: 22px; }
li { margin: 6px 0; }

.tag {
  display: inline-block;
  background: #ECE4D6;
  color: var(--accent-strong);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  font-weight: 600;
  margin-right: 6px;
  margin-bottom: 6px;
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--surface);
  margin-top: 64px;
}
.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--muted);
}
.site-footer__inner nav { display: flex; flex-wrap: wrap; gap: 14px; }
.site-footer__inner nav a { color: var(--muted); }

.update {
  border-left: 3px solid var(--accent-strong);
  padding: 0 0 0 14px;
  margin: 18px 0;
}
.update__date { color: var(--muted); font-size: 13px; }
.update__title { margin: 4px 0 6px; }

@media (max-width: 640px) {
  h1 { font-size: 26px; }
  h2 { font-size: 19px; }
  .site-header__inner { padding: 12px 16px; }
  main { padding: 24px 16px 48px; }
}