:root {
  --ground: #f4f4f2;
  --ink: #22261f;
  --muted: #767c72;
  --faint: #a4a89f;
  --line: #e0e1dc;
  --accent: #5f7a5c;
  --body: "IBM Plex Sans", ui-sans-serif, system-ui, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ground: #151715;
    --ink: #dcded8;
    --muted: #8d938a;
    --faint: #666b63;
    --line: #262a25;
    --accent: #8fae8a;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0 24px;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 560px;
  margin: 0;
  padding-block: 88px 96px;
}

@media (min-width: 900px) {
  body { padding-left: 88px; }
}

.top {
  display: flex;
  align-items: baseline;
  gap: 24px;
  margin-bottom: 84px;
}

.mark {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.top nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  font-size: 13px;
}

.top nav a {
  color: var(--faint);
  text-decoration: none;
}

.top nav a:hover,
.top nav a[aria-current="page"] { color: var(--ink); }

h1 {
  font-size: 23px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: balance;
  margin: 0 0 20px;
}

.lede {
  color: var(--muted);
  max-width: 32em;
  margin: 0 0 6px;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 40px;
  font-family: var(--mono);
  font-size: 13px;
}

.links a { border-bottom-color: var(--line); }
.links a:not([href]) { border-bottom-color: transparent; }

section { margin-top: 72px; }

h2 {
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: lowercase;
  color: var(--faint);
  margin: 0 0 22px;
}

h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0;
}

p { margin: 0 0 18px; }
p:last-child { margin-bottom: 0; }

a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

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

.lede a,
article p a { border-bottom-color: var(--line); }

.posts { display: flex; flex-direction: column; gap: 26px; }

.post-row {
  display: block;
  border: 0;
  text-decoration: none;
  color: inherit;
}

.post-row time {
  display: block;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  margin-bottom: 4px;
  font-variant-numeric: tabular-nums;
}

.post-row:hover h3 { color: var(--accent); }
.post-row p { color: var(--muted); font-size: 15px; margin: 4px 0 0; }


article h1 { font-size: 22px; margin-bottom: 8px; }
article .stamp { font-family: var(--mono); font-size: 12px; color: var(--faint); }
article h2 {
  font-family: var(--body);
  font-size: 16px;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--ink);
  margin: 40px 0 12px;
}
article p { color: var(--muted); max-width: 34em; }

.todo {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
  margin-top: 40px;
}

footer {
  margin-top: 96px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--faint);
}

footer a { color: var(--faint); border-bottom-color: transparent; }
footer a:hover { color: var(--muted); }

@media (max-width: 520px) {
  .wrap { padding-block: 56px 64px; }
  .top { margin-bottom: 52px; }
}