/* Tarvolo - minimal reading-first stylesheet */

:root {
  --ink: #1a1a1a;
  --ink-soft: #4a4a4a;
  --ink-faint: #767676;
  --line: #e4e4e4;
  --bg: #ffffff;
  --bg-soft: #fafaf8;
  --accent: #1f4d3d;
  --accent-soft: #eef4f1;
  --warn: #8a4b12;
  --warn-soft: #fdf4e9;
  --max: 680px;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

/* header */
.site-header {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  margin-bottom: 56px;
}

.site-header .wrap {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}

.brand span { color: var(--accent); }

.brand-wrap { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }

.brand-sub {
  font-size: 11px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--ink-faint);
  white-space: nowrap;
}

.kicker {
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}

.site-header nav a {
  color: var(--ink-faint);
  text-decoration: none;
  font-size: 14px;
  margin-left: 20px;
}

.site-header nav a:hover { color: var(--ink); }

/* type */
h1 {
  font-size: 2.05rem;
  line-height: 1.25;
  letter-spacing: -0.022em;
  margin: 0 0 20px;
  font-weight: 700;
}

h2 {
  font-size: 1.32rem;
  line-height: 1.35;
  letter-spacing: -0.012em;
  margin: 56px 0 16px;
  font-weight: 700;
}

h3 {
  font-size: 1.05rem;
  margin: 32px 0 10px;
  font-weight: 700;
}

p { margin: 0 0 20px; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 2px; }

ul, ol { margin: 0 0 20px; padding-left: 24px; }

li { margin-bottom: 8px; }

strong { font-weight: 650; }

/* article meta */
.meta {
  font-size: 14px;
  color: var(--ink-faint);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.meta span + span::before {
  content: "·";
  margin: 0 10px;
}

.dek {
  font-size: 1.12rem;
  color: var(--ink-soft);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* tables */
.table-wrap { overflow-x: auto; margin: 0 0 28px; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
}

th, td {
  text-align: left;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

th {
  font-weight: 650;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-faint);
  border-bottom: 1px solid var(--ink-faint);
  white-space: nowrap;
}

td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

tbody tr:last-child td { border-bottom: 1px solid var(--line); }

/* callout */
.note {
  background: var(--accent-soft);
  border-left: 3px solid var(--accent);
  padding: 18px 20px;
  margin: 0 0 28px;
  font-size: 16px;
}

.note p:last-child { margin-bottom: 0; }

.note-caveat {
  background: var(--warn-soft);
  border-left-color: var(--warn);
}

/* pull number */
.bignum {
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0 0 4px;
  color: var(--accent);
}

.bignum-label {
  font-size: 14px;
  color: var(--ink-faint);
  margin-bottom: 32px;
}

/* post list */
.post-list { list-style: none; padding: 0; margin: 0; }

.post-list li {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
  margin: 0;
}

.post-list a {
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--ink);
  text-decoration: none;
  display: block;
  margin-bottom: 4px;
}

.post-list a:hover { color: var(--accent); }

.post-list .sub {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0;
}

.post-list .date {
  font-size: 13px;
  color: var(--ink-faint);
  display: block;
  margin-top: 6px;
}

/* footer */
.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 72px;
  padding: 28px 0 56px;
  font-size: 14px;
  color: var(--ink-faint);
}

.site-footer p { margin: 0 0 8px; }

/* responsive */
@media (max-width: 600px) {
  body { font-size: 16px; }
  h1 { font-size: 1.62rem; }
  h2 { font-size: 1.2rem; margin-top: 44px; }
  .site-header { margin-bottom: 40px; }
  .bignum { font-size: 2.1rem; }
  table { font-size: 14px; }
  th, td { padding: 9px 8px; }
}