:root {
  --paper: #f3ead7;
  --paper-2: #e8dcc3;
  --ink: #1c1712;
  --ink-soft: #4a4036;
  --rule: #8c2b24;
  --rule-soft: rgba(140, 43, 36, 0.28);
  --wash: #faf6ec;
  --card: #fffaf0;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --serif: "Source Serif 4", "Iowan Old Style", Palatino, "Palatino Linotype", serif;
  --display: "Cormorant Garamond", "Source Serif 4", serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(140, 43, 36, 0.07), transparent 55%),
    linear-gradient(180deg, var(--wash) 0%, var(--paper) 28%, var(--paper-2) 100%);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.55;
  min-height: 100vh;
}

a { color: var(--rule); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

.mast {
  max-width: 980px;
  margin: 0 auto;
  padding: 36px 28px 0;
}
.mast-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  border-bottom: 3px solid var(--ink);
  padding-bottom: 10px;
}
.wordmark {
  font-family: var(--display);
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.38em;
  text-transform: uppercase;
  color: var(--ink);
}
.wordmark span { color: var(--rule); letter-spacing: 0.38em; }
.issue {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-soft);
}
.mast h1 {
  font-family: var(--display);
  font-weight: 500;
  font-size: clamp(42px, 7vw, 78px);
  line-height: 0.9;
  margin: 22px 0 8px;
  letter-spacing: -0.02em;
}
.deck {
  max-width: 62ch;
  color: var(--ink-soft);
  font-size: 19px;
  margin: 0 0 22px;
}
.nav {
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding: 10px 0;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.nav a { color: var(--ink); }

.page {
  max-width: 980px;
  margin: 0 auto;
  padding: 28px 28px 80px;
}

.kicker {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--rule);
  margin: 0 0 8px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
@media (min-width: 860px) {
  .grid.two { grid-template-columns: 1.4fr 0.8fr; align-items: start; }
  .grid.cards { grid-template-columns: 1fr 1fr; }
}

.paper-card {
  background: var(--card);
  border: 1px solid rgba(28, 23, 18, 0.14);
  padding: 22px 22px 18px;
  box-shadow: 0 1px 0 rgba(28,23,18,0.04);
}
.paper-card .id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--rule);
}
.paper-card h2 {
  font-family: var(--display);
  font-weight: 600;
  font-size: 28px;
  line-height: 1.12;
  margin: 8px 0 10px;
}
.paper-card h2 a { color: var(--ink); }
.paper-card p { margin: 0 0 12px; color: var(--ink-soft); font-size: 16.5px; }
.meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}

aside.note {
  background: var(--ink);
  color: var(--paper);
  padding: 22px;
}
aside.note h3 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin: 0 0 10px;
  color: #e8c4bf;
}
aside.note p { margin: 0; font-size: 15.5px; line-height: 1.5; color: #f3ead7; }
aside.note a { color: #f0c7c2; }

.article {
  background: var(--card);
  border: 1px solid rgba(28, 23, 18, 0.14);
  padding: 42px 46px 56px;
}
@media (max-width: 700px) {
  .article { padding: 26px 20px 40px; }
}
.article header { border-bottom: 2px solid var(--ink); padding-bottom: 18px; margin-bottom: 28px; }
.article .id {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--rule);
}
.article h1 {
  font-family: var(--display);
  font-weight: 600;
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.08;
  margin: 10px 0 12px;
}
.authors { font-style: italic; color: var(--ink-soft); margin: 0 0 6px; }
.article h2 {
  font-family: var(--display);
  font-size: 26px;
  margin: 34px 0 10px;
  font-weight: 600;
}
.article h3 {
  font-size: 18px;
  margin: 22px 0 8px;
}
.article p { margin: 0 0 14px; }
.article .abstract {
  font-size: 19px;
  line-height: 1.5;
  border-left: 3px solid var(--rule);
  padding-left: 16px;
  margin: 0 0 28px;
}
.article ul, .article ol { margin: 0 0 16px; padding-left: 22px; }
.article li { margin: 0 0 6px; }
.article blockquote {
  margin: 18px 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--ink);
  font-style: italic;
  color: var(--ink-soft);
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 15px;
  margin: 8px 0 20px;
}
th, td {
  text-align: left;
  border-bottom: 1px solid rgba(28,23,18,0.16);
  padding: 7px 8px 7px 0;
  vertical-align: top;
}
th {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  font-weight: 500;
}
code, .src {
  font-family: var(--mono);
  font-size: 0.86em;
}
.source {
  margin-top: 36px;
  padding-top: 16px;
  border-top: 1px solid rgba(28,23,18,0.18);
  font-size: 15px;
  color: var(--ink-soft);
}
.back {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 18px;
  color: var(--ink);
}

footer.colophon {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 28px 48px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  border-top: 1px solid rgba(28,23,18,0.18);
  padding-top: 16px;
}

.nums {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin: 8px 0 24px;
}
@media (min-width: 700px) { .nums { grid-template-columns: repeat(4, 1fr); } }
.num {
  background: var(--ink);
  color: var(--paper);
  padding: 14px 14px 12px;
}
.num b {
  display: block;
  font-family: var(--display);
  font-size: 28px;
  font-weight: 600;
  line-height: 1;
  margin-bottom: 6px;
}
.num span {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #e8c4bf;
}