:root {
  --paper: #e7ece8;
  --paper-2: #dfe6e1;
  --ink: #1e2a24;
  --muted: #5a675e;
  --rule: #c9d3cc;
  --stamp: #8c2f1a;
  --forest: #163a2c;
  --wash: #dce8d8;
  --warn: #8c2f1a;
  --focus: #245c44;
  --max: 42rem;
  --wide: 64rem;
  --serif: "Literata", "Iowan Old Style", "Palatino Linotype", Palatino, serif;
  --sans: "Commissioner", "Avenir Next", "Segoe UI", sans-serif;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; overflow-x: hidden; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-weight: 450;
  font-size: 1.125rem;
  line-height: 1.55;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--forest);
  color: var(--paper);
  padding: 0.5rem 1rem;
}
.skip:focus { left: 0.5rem; top: 0.5rem; z-index: 10; }

a {
  color: var(--forest);
  text-underline-offset: 0.18em;
}
a:hover { color: var(--stamp); }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.mast {
  border-bottom: 1px solid var(--rule);
  padding: 1.1rem 1.25rem 0.85rem;
}

.mast-inner {
  max-width: var(--wide);
  margin: 0 auto;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.wordmark {
  font-family: var(--serif);
  font-weight: 750;
  font-size: 1.65rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark:hover { color: var(--stamp); }

.nav {
  display: flex;
  gap: 1.25rem;
  font-family: var(--sans);
  font-size: 0.95rem;
  font-weight: 580;
}
.nav a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  padding-bottom: 0.1rem;
}
.nav a:hover,
.nav a[aria-current="page"] {
  border-bottom-color: var(--stamp);
  color: var(--ink);
}

.nav-toggle {
  display: none;
  font-family: var(--sans);
  font-weight: 580;
  background: transparent;
  border: 1px solid var(--ink);
  color: var(--ink);
  padding: 0.3rem 0.7rem;
  cursor: pointer;
}

.mast-note {
  max-width: var(--wide);
  margin: 0.65rem auto 0;
  font-family: var(--sans);
  font-size: 0.82rem;
  color: var(--muted);
  overflow-wrap: break-word;
}

main {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.lede,
.article {
  max-width: var(--max);
}

h1, h2, h3 {
  font-weight: 650;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.55rem);
  margin: 0 0 0.85rem;
  overflow-wrap: break-word;
}

h2 {
  font-size: 1.4rem;
  margin: 2.2rem 0 0.7rem;
}

h3 {
  font-size: 1.15rem;
  margin: 1.6rem 0 0.5rem;
}

.kicker {
  font-family: var(--sans);
  font-size: 0.92rem;
  color: var(--stamp);
  margin: 0 0 0.4rem;
}

.dek {
  font-size: 1.22rem;
  color: var(--ink);
  margin: 0 0 1.4rem;
}

.source,
.updated,
.fine {
  font-family: var(--sans);
  font-size: 0.86rem;
  color: var(--muted);
}

p { margin: 0 0 1rem; }

.article p,
.article li { max-width: 40rem; }

ul, ol { padding-left: 1.2rem; }
li { margin-bottom: 0.4rem; }

.sheet {
  background: var(--paper-2);
  border-left: 5px solid var(--forest);
  padding: 1.1rem 1.2rem 0.9rem;
  margin: 1.4rem 0 1.8rem;
}

.sheet h2 {
  margin-top: 0;
  font-size: 1.05rem;
  font-family: var(--sans);
  font-weight: 700;
}

.rows {
  list-style: none;
  margin: 0;
  padding: 0;
}

.rows li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  border-bottom: 1px dotted var(--rule);
  padding: 0.45rem 0;
  font-family: var(--sans);
  font-size: 0.98rem;
}

.rows li > span:first-child {
  min-width: 0;
  overflow-wrap: anywhere;
}

.rows .n {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--forest);
}

.rows .delta {
  color: var(--stamp);
}

.board-wrap {
  overflow-x: auto;
  margin: 1rem 0 1.5rem;
}

.board {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--sans);
  font-size: 0.95rem;
  margin: 0;
}

.board th,
.board td {
  text-align: left;
  padding: 0.55rem 0.4rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.board th {
  font-weight: 580;
  color: var(--muted);
}

.board td.n {
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: 1.05rem;
  white-space: nowrap;
}

.example {
  background: var(--wash);
  padding: 1rem 1.15rem;
  margin: 1.3rem 0;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.tool-list,
.guide-list {
  list-style: none;
  margin: 0 0 2rem;
  padding: 0;
}

.tool-list li,
.guide-list li {
  border-top: 1px solid var(--rule);
  padding: 0.9rem 0;
}

.tool-list a,
.guide-list a {
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}
.tool-list a:hover,
.guide-list a:hover { color: var(--stamp); }

.tool-list p,
.guide-list p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.98rem;
}

form.work {
  display: grid;
  gap: 0.85rem;
  margin: 1.2rem 0;
  max-width: 28rem;
}

.field {
  display: grid;
  gap: 0.25rem;
}

.field label {
  font-family: var(--sans);
  font-size: 0.88rem;
  font-weight: 580;
}

.field input,
.field select {
  font-family: var(--sans);
  font-size: 1.05rem;
  font-variant-numeric: tabular-nums;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--ink);
  background: #f4f7f4;
  color: var(--ink);
  border-radius: 0;
  width: 100%;
}

.out {
  margin: 1.25rem 0 0;
  padding: 1rem 0 0;
  border-top: 2px solid var(--forest);
}

.out .big {
  font-family: var(--sans);
  font-size: 1.85rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  color: var(--forest);
  line-height: 1.1;
}

.out .label {
  font-family: var(--sans);
  font-size: 0.88rem;
  color: var(--muted);
  margin-bottom: 0.2rem;
}

.ad-slot {
  border: 1px dashed var(--rule);
  min-height: 5.5rem;
  display: grid;
  place-items: center;
  margin: 1.75rem 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.78rem;
}

.foot {
  border-top: 1px solid var(--rule);
  padding: 2rem 1.25rem 2.5rem;
  font-family: var(--sans);
  font-size: 0.9rem;
  color: var(--muted);
}

.foot-inner { max-width: var(--wide); margin: 0 auto; }

.foot-mark {
  font-family: var(--serif);
  font-weight: 750;
  color: var(--ink);
  font-size: 1.15rem;
  margin: 0 0 0.5rem;
}

.foot-links {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.2rem;
  padding: 0;
  margin: 1rem 0;
}
.foot-links a { color: var(--ink); }

.foot-copy { margin: 0; }

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
  .mast-inner {
    flex-direction: column;
    align-items: flex-start;
  }
  .nav-toggle { display: inline-block; }
  .nav {
    display: none;
    width: 100%;
    flex-direction: column;
    gap: 0.6rem;
    padding: 0.4rem 0 0.6rem;
  }
  .nav-toggle[aria-expanded="true"] + .nav { display: flex; }
  body { font-size: 1.05rem; }
  .rows li {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }
  .board {
    font-size: 0.84rem;
  }
  .board td.n {
    white-space: normal;
  }
  .sheet,
  .example,
  .article p,
  .article li {
    overflow-wrap: anywhere;
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}