/* ——————————————————————————————————————————————
   Weir Research — site stylesheet
   Ledger aesthetic: white paper, green-black ink,
   Spectral for prose, Archivo for data.
   —————————————————————————————————————————————— */

:root {
  --paper: #ffffff;
  --ink: #17221c;
  --ink-soft: #5c6861;
  --rule: #d7ded8;
  --rule-strong: #17221c;
  --ledger: #1e6b4e;
  --ledger-deep: #14503a;
  --sell: #9a3b2e;
  --wash: #f2f5f2;
  --wash-warm: #f7f6f1;

  --serif: "Spectral", Georgia, serif;
  --grot: "Archivo", "Helvetica Neue", Arial, sans-serif;

  --col: 44rem;       /* reading column */
  --col-wide: 58rem;  /* tables & ledger */
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  font-feature-settings: "liga" 1;
}

/* ———— layout ———— */

.shell {
  max-width: var(--col-wide);
  margin: 0 auto;
  padding: 0 1rem 6rem;
}

.prose, .masthead-inner, .foot-inner {
  max-width: var(--col);
  margin-left: auto;
  margin-right: auto;
}

.wide { max-width: var(--col-wide); margin-left: auto; margin-right: auto; }

/* ———— masthead ———— */

.masthead { padding: 2.75rem 0 0; }

.wordmark {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.45rem;
  letter-spacing: -0.01em;
  color: var(--ink);
  text-decoration: none;
}
.wordmark em { font-style: italic; font-weight: 500; color: var(--ledger-deep); }

.masthead-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.6rem 1.5rem;
}

nav.site-nav { font-family: var(--grot); font-size: 0.86rem; }
nav.site-nav a {
  color: var(--ink-soft);
  text-decoration: none;
  margin-left: 1.15rem;
  padding-bottom: 0.2rem;
}
nav.site-nav a:first-child { margin-left: 0; }
nav.site-nav a:hover { color: var(--ledger-deep); }
nav.site-nav a[aria-current="page"] {
  color: var(--ink);
  border-bottom: 2px solid var(--ledger);
}

/* the ledger rule: thin over thick, an accountant's closing line inverted */
.masthead::after {
  content: "";
  display: block;
  max-width: var(--col-wide);
  margin: 1.1rem auto 0;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 3px solid var(--rule-strong);
  height: 3px;
}

/* ———— type scale ———— */

h1, h2, h3 { font-family: var(--serif); line-height: 1.2; letter-spacing: -0.012em; }

h1 { font-size: 2.1rem; font-weight: 600; margin: 2.6rem 0 0.4rem; }
h2 { font-size: 1.4rem; font-weight: 600; margin: 2.6rem 0 0.7rem; }
h3 { font-size: 1.08rem; font-weight: 600; margin: 2rem 0 0.4rem; }

p { margin: 0 0 1.1rem; }
a { color: var(--ledger-deep); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--ledger); }

.kicker {
  font-family: var(--grot);
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin: 2.6rem 0 -2.2rem;
}

.dek {
  font-size: 1.18rem;
  line-height: 1.55;
  color: var(--ink-soft);
  margin: 0.3rem 0 1.6rem;
}

.byline {
  font-family: var(--grot);
  font-size: 0.86rem;
  color: var(--ink-soft);
  margin: 0 0 2.2rem;
}
.byline b { color: var(--ink); font-weight: 600; }

hr { border: 0; border-top: 1px solid var(--rule); margin: 2.6rem 0; }

blockquote {
  margin: 1.4rem 0;
  padding: 0.1rem 0 0.1rem 1.1rem;
  border-left: 3px solid var(--ledger);
  color: var(--ink);
  font-style: italic;
}

ul, ol { padding-left: 1.3rem; margin: 0 0 1.1rem; }
li { margin-bottom: 0.35rem; }

strong { font-weight: 600; }

/* ———— data: tables, figures, chips ———— */

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

table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--grot);
  font-size: 0.875rem;
  line-height: 1.45;
  margin: 1.4rem 0 0.5rem;
}

caption {
  caption-side: top;
  text-align: left;
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  padding-bottom: 0.55rem;
}
caption .sub {
  display: block;
  font-family: var(--grot);
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 0.15rem;
}

th {
  text-align: left;
  font-weight: 600;
  font-size: 0.82rem;
  color: var(--ink);
  background: var(--wash);
  padding: 0.5rem 0.65rem;
  border-top: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule);
}

td {
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

td.num, th.num { text-align: right; }

/* accountant's double rule closes every table */
tbody tr:last-child td { border-bottom: 3px double var(--rule-strong); }

tr.total td { font-weight: 600; border-top: 1px solid var(--rule-strong); }

.tablenote {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 0.8rem;
  color: var(--ink-soft);
  margin: 0.4rem 0 2rem;
}

/* exhibit figures */
figure.exhibit { margin: 1.6rem 0 0.4rem; }
figure.exhibit figcaption {
  font-family: var(--serif);
  font-size: 1rem;
  font-weight: 600;
  padding-bottom: 0.1rem;
}
figure.exhibit figcaption .sub {
  display: block;
  font-family: var(--grot);
  font-weight: 400;
  font-size: 0.82rem;
  color: var(--ink-soft);
  margin-top: 0.15rem;
}
figure.exhibit img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 0.7rem;
  border: 1px solid var(--rule);
}

.scroll { overflow-x: auto; }

/* status chips */
.chip {
  display: inline-block;
  font-family: var(--grot);
  font-size: 0.74rem;
  font-weight: 600;
  padding: 0.12rem 0.5rem 0.16rem;
  border-radius: 3px;
  white-space: nowrap;
}
.chip.long   { color: var(--ledger-deep); background: #e5f0ea; }
.chip.watch  { color: #7a6212; background: #f6efd8; }
.chip.exited { color: var(--sell); background: #f6e7e3; }
.chip.note   { color: var(--ink-soft); background: var(--wash); }

.pos { color: var(--ledger-deep); }
.neg { color: var(--sell); }

/* verdict cells in evidence ledgers */
td.good    { color: var(--ledger-deep); font-weight: 600; }
td.neutral { color: var(--ink-soft); font-weight: 600; }
td.watch   { color: #7a6212; font-weight: 600; }

/* ———— index: entry lists ———— */

.entries { list-style: none; padding: 0; margin: 0.8rem 0 0; }
.entries li {
  display: grid;
  grid-template-columns: 7.2rem 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--rule);
  margin: 0;
}
.entries .date {
  font-family: var(--grot);
  font-size: 0.82rem;
  color: var(--ink-soft);
  font-variant-numeric: tabular-nums;
}
.entries .title { font-family: var(--serif); font-size: 1.02rem; }
.entries .title a { color: var(--ink); text-decoration: none; }
.entries .title a:hover { color: var(--ledger-deep); text-decoration: underline; }
.entries .title .dek-inline {
  display: block;
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 0.1rem;
}

/* ———— pitch header block ———— */

.pitch-facts {
  font-family: var(--grot);
  font-size: 0.86rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10.5rem, 1fr));
  gap: 0.55rem 1.4rem;
  padding: 1rem 1.1rem;
  background: var(--wash);
  border-top: 1px solid var(--rule-strong);
  border-bottom: 3px double var(--rule-strong);
  margin: 1.6rem 0 2.2rem;
}
.pitch-facts div span { display: block; color: var(--ink-soft); font-size: 0.76rem; }
.pitch-facts div b { font-weight: 600; font-variant-numeric: tabular-nums; }

/* ———— paper: equations & references ———— */

.eq {
  font-family: var(--serif);
  font-style: italic;
  text-align: center;
  margin: 1.3rem 0;
  font-size: 1rem;
}
.eq .eqno { float: right; font-style: normal; color: var(--ink-soft); font-family: var(--grot); font-size: 0.82rem; }

.refs { list-style: none; padding: 0; margin: 0.8rem 0 0; font-size: 0.95rem; }
.refs li { padding-left: 1.6rem; text-indent: -1.6rem; margin-bottom: 0.55rem; }

/* ———— footer ———— */

footer.site-foot {
  margin-top: 5rem;
  border-top: 1px solid var(--rule-strong);
  padding-top: 1.2rem;
  font-family: var(--grot);
  font-size: 0.8rem;
  color: var(--ink-soft);
}
footer.site-foot a { color: var(--ink-soft); }

/* ———— small screens ———— */

@media (max-width: 560px) {
  body { font-size: 1rem; }
  h1 { font-size: 1.7rem; }
  .entries li { grid-template-columns: 1fr; gap: 0.15rem; }
  .pitch-facts { grid-template-columns: 1fr 1fr; }
}

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

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}

/* "Latest in each series" cards (home page) */
:root {
  --c-thesis: var(--ledger);
  --c-macro: var(--sell);
  --c-update: #7a6212;
  --c-paper: var(--ink-soft);
}
.series { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 1rem 0 0.4rem; }
@media (min-width: 62rem) { .series { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 30rem) { .series { grid-template-columns: 1fr; } }
.scard { border: 1px solid var(--rule); border-top: 3px solid var(--sc); padding: 0.9rem 1rem 0.8rem; background: var(--paper); display: flex; flex-direction: column; gap: 0.35rem; }
.scard .slabel { font-family: var(--grot); font-size: 0.72rem; letter-spacing: 0.08em; text-transform: uppercase; font-weight: 600; color: var(--sc); }
.scard .stitle { font-family: var(--serif); font-size: 1.02rem; font-weight: 600; line-height: 1.3; }
.scard .stitle a { text-decoration: none; color: inherit; }
.scard .sdate { font-family: var(--grot); font-size: 0.78rem; color: var(--ink-soft); }
.scard .sdek { font-size: 0.88rem; line-height: 1.45; color: var(--ink-soft); flex: 1; }
.scard .sfact { font-family: var(--grot); font-size: 0.78rem; color: var(--ink); border-top: 1px solid var(--rule); padding-top: 0.5rem; }
.scard .sall { font-family: var(--grot); font-size: 0.78rem; }

/* print pagination: smaller figures, no orphaned headings or captions */
@media print {
  .masthead { display: none; }
  .scroll { overflow: visible; }
  figure.exhibit, .wide .scroll, .series, table { break-inside: avoid; }
  figure.exhibit img { max-height: 32vh; width: auto; max-width: 84%; display: block; margin: 0 auto; }
  .tablenote { break-before: avoid; }
  h1, h2, h3, .flaghead, .fires { break-after: avoid; }
}