:root {
  --paper: #f7f5ef;
  --paper-line: #dedad0;
  --ink: #17171a;
  --ink-soft: #58564d;
  --accent: #a83a2c;
  --accent-soft: #f1ddd6;
  --mono-label: #8c8a7c;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #17181a;
    --paper-line: #34332c;
    --ink: #ece7db;
    --ink-soft: #b3ae9e;
    --accent: #e2705f;
    --accent-soft: #3a201c;
    --mono-label: #8f8c7c;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Serif', Georgia, serif;
  line-height: 1.7;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-weight: 500;
  color: var(--ink);
  margin: 0 0 0.4em;
  text-wrap: balance;
}

p { color: var(--ink-soft); margin: 0 0 1.1em; max-width: 62ch; }

a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.mono {
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
}

/* Layout */
.layout {
  display: grid;
  grid-template-columns: 200px minmax(0, 700px);
  gap: 56px;
  max-width: 980px;
  margin: 0 auto;
  padding-block: 56px 80px;
}

.margin-col {
  position: sticky;
  top: 40px;
  align-self: start;
  height: fit-content;
}

.file-tab {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--mono-label);
  display: flex;
  flex-direction: column;
  gap: 2px;
  border-bottom: 1px solid var(--paper-line);
  padding-bottom: 14px;
  margin-bottom: 20px;
}

.toc { display: flex; flex-direction: column; gap: 12px; }

.toc a {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  gap: 10px;
  align-items: baseline;
}

.toc a:hover { color: var(--accent); }
.toc a em {
  font-style: normal;
  color: var(--mono-label);
  font-size: 0.78rem;
}

.file-updated {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--mono-label);
  margin-top: 28px;
  padding-top: 14px;
  border-top: 1px solid var(--paper-line);
  line-height: 1.5;
}

/* Masthead */
.masthead { padding-top: 4px; margin-bottom: 56px; }

.eyebrow {
  font-family: 'IBM Plex Mono', monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  color: var(--accent);
  margin: 0 0 10px;
}

h1 { font-size: clamp(2.1rem, 5vw, 3rem); font-weight: 600; }

.masthead-role {
  font-size: 1.05rem;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

.ticker {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-block: 10px;
  margin-bottom: 22px;
}

.ticker-cell {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding: 4px 20px;
  border-right: 1px solid var(--paper-line);
}
.ticker-cell:first-child { padding-left: 0; }
.ticker-cell:last-child { border-right: none; }

.ticker-label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--mono-label);
}

.ticker-value {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.masthead-links {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.88rem;
}
.masthead-links a { color: var(--ink); }
.masthead-links a:hover { color: var(--accent); }
.masthead-links .sep { color: var(--paper-line); margin: 0 12px; }

/* Sections */
.doc-section {
  padding-top: 44px;
  border-top: 1px solid var(--paper-line);
  margin-bottom: 8px;
}

.doc-section h2 {
  display: flex;
  align-items: baseline;
  gap: 14px;
  font-size: 1.3rem;
  margin-bottom: 24px;
}

.sec-num {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 500;
}

.fact-strip {
  margin: 20px 0 0;
  display: grid;
  gap: 6px;
  font-size: 0.92rem;
}
.fact-strip div { display: flex; gap: 8px; }
.fact-strip dt {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--mono-label);
  width: 64px;
  flex: none;
  padding-top: 2px;
}
.fact-strip dd { margin: 0; color: var(--ink-soft); }

/* Ledger rows */
.ledger-row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 20px;
  padding-block: 26px;
  border-bottom: 1px solid var(--paper-line);
}
.ledger-row:last-of-type { border-bottom: none; }

.ledger-date {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--mono-label);
  line-height: 1.5;
}

.ledger-body h3 { font-size: 1.08rem; margin-bottom: 2px; }
.ledger-org {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 10px;
}
.ledger-body p:last-child { margin-bottom: 0; }

/* Tags / boards */
.tag-board {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.tag {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 7px 12px;
  border: 1px solid var(--paper-line);
  color: var(--ink-soft);
}

.contact-section p { max-width: 52ch; }

.disclosures {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--paper-line);
}
.disclosures p {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  color: var(--mono-label);
  margin: 0;
}

/* Responsive */
@media (max-width: 860px) {
  .layout {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-block: 32px 56px;
  }
  .margin-col {
    position: static;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
  }
  .file-tab { border-bottom: none; padding-bottom: 0; margin-bottom: 0; flex-direction: row; gap: 10px; }
  .toc { flex-direction: row; flex-wrap: wrap; gap: 16px; }
  .file-updated { border-top: none; padding-top: 0; margin-top: 0; }
  .ledger-row { grid-template-columns: 1fr; gap: 4px; }
  .ledger-date { order: 2; margin-top: 4px; }
}