/* ---- reset ---- */
*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, ul, ol, figure, table { margin: 0; padding: 0; }
ul, ol { list-style: none; }

:root {
  --paper: #F1F4F6;
  --panel: #FFFFFF;
  --ink: #10171F;
  --muted: #67747F;
  --rule: #D8E0E6;
  --rise: #B4531A;
  --fall: #0F7A6B;
  --link: #1B4B8F;

  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --sans: "Archivo", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;

  --gutter: clamp(1rem, 4vw, 2.5rem);
  --measure: 76rem;
}

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

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }

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

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

/* ---- masthead ---- */
.masthead {
  border-bottom: 1px solid var(--rule);
  background: var(--panel);
  position: sticky; top: 0; z-index: 10;
}
.masthead .wrap {
  display: flex; align-items: baseline; gap: 1.5rem;
  padding-block: 0.85rem; flex-wrap: wrap;
}
.wordmark {
  font-weight: 800; font-size: 1.05rem; letter-spacing: -0.03em;
  color: var(--ink); text-transform: uppercase;
}
.wordmark:hover { text-decoration: none; }
.wordmark span { color: var(--rise); }
.masthead nav { display: flex; gap: 1.1rem; margin-left: auto; }
.masthead nav a {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em;
  text-transform: uppercase; color: var(--muted);
}
.masthead nav a:hover { color: var(--ink); }

/* ---- hero ---- */
.hero { padding-block: clamp(2.5rem, 7vw, 4.5rem) 2rem; }
.hero h1 {
  font-size: clamp(2rem, 5.5vw, 3.4rem);
  font-weight: 800; letter-spacing: -0.035em; line-height: 1.05;
  max-width: 20ch;
}
.hero p.standfirst {
  margin-top: 1rem; max-width: 54ch; font-size: 1.08rem; color: var(--muted);
}

/* counters strip */
.counters {
  display: flex; flex-wrap: wrap; gap: 2.25rem;
  margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--rule);
}
.counter .n {
  font-family: var(--mono); font-size: 1.75rem; font-weight: 600;
  letter-spacing: -0.02em; display: block;
}
.counter .l {
  font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
}

/* ---- section furniture ---- */
.section { padding-block: 2.5rem; }
.section-head {
  display: flex; align-items: baseline; gap: 1rem;
  border-bottom: 2px solid var(--ink); padding-bottom: 0.5rem;
  margin-bottom: 1.25rem;
}
.section-head h2 {
  font-size: 0.78rem; font-weight: 700; letter-spacing: 0.11em;
  text-transform: uppercase;
}
.section-head .aside {
  margin-left: auto; font-family: var(--mono); font-size: 0.72rem;
  color: var(--muted);
}

/* ---- the tape: dated change feed ---- */
.tape { border-top: 1px solid var(--rule); }
.entry {
  display: grid;
  grid-template-columns: 6.5rem 1fr;
  gap: 0 1.25rem;
  padding-block: 0.85rem;
  border-bottom: 1px solid var(--rule);
  align-items: baseline;
}
.entry:hover { background: var(--panel); }
.entry .when {
  font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
  letter-spacing: 0.02em; white-space: nowrap;
}
.entry .what { font-size: 0.95rem; }
.entry .who { font-weight: 700; }
.entry .plan {
  font-family: var(--mono); font-size: 0.78rem; color: var(--muted);
}

/* ---- SIGNATURE: the diff ---- */
.diff {
  font-family: var(--mono); font-size: 0.88rem; white-space: nowrap;
  display: inline-flex; align-items: baseline; gap: 0.4rem;
}
.diff .was {
  text-decoration: line-through; text-decoration-thickness: 1px;
  color: var(--muted);
}
.diff .arrow { color: var(--muted); }
.diff .now { font-weight: 600; }
.diff .pct {
  font-size: 0.74rem; padding: 0.05rem 0.35rem; border-radius: 2px;
  font-weight: 600;
}
.diff.up .now, .diff.up .pct { color: var(--rise); }
.diff.up .pct { background: color-mix(in srgb, var(--rise) 10%, transparent); }
.diff.down .now, .diff.down .pct { color: var(--fall); }
.diff.down .pct { background: color-mix(in srgb, var(--fall) 10%, transparent); }

/* ---- tables ---- */
.tbl-scroll { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 0.9rem; }
th {
  text-align: left; font-family: var(--mono); font-weight: 500;
  font-size: 0.68rem; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--muted); padding: 0.5rem 0.9rem 0.5rem 0;
  border-bottom: 1px solid var(--ink); white-space: nowrap;
}
td {
  padding: 0.6rem 0.9rem 0.6rem 0;
  border-bottom: 1px solid var(--rule); vertical-align: baseline;
}
td.num, th.num { font-family: var(--mono); text-align: right; padding-right: 0; }
tr:last-child td { border-bottom: none; }
.plan-name { font-weight: 600; }

.tag {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.05em;
  text-transform: uppercase; color: var(--muted);
  border: 1px solid var(--rule); border-radius: 2px; padding: 0.05rem 0.3rem;
}

/* ---- panels & grids ---- */
.panel {
  background: var(--panel); border: 1px solid var(--rule);
  padding: 1.25rem 1.4rem;
}
.grid { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.cell { background: var(--panel); padding: 1.1rem 1.25rem; }
.cell h3 { font-size: 0.95rem; font-weight: 700; letter-spacing: -0.01em; }
.cell p { font-size: 0.85rem; color: var(--muted); margin-top: 0.3rem; }
.cell .stat {
  font-family: var(--mono); font-size: 1.4rem; font-weight: 600;
  display: block; margin-bottom: 0.15rem;
}

/* ---- sparkline ---- */
.spark { display: block; width: 100%; height: 3.5rem; overflow: visible; }
.spark path.line { fill: none; stroke: var(--ink); stroke-width: 1.5; }
.spark circle { fill: var(--rise); }
.spark .base { stroke: var(--rule); stroke-width: 1; }

/* ---- meta / provenance ---- */
.provenance {
  font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
  border-left: 2px solid var(--rule); padding-left: 0.8rem; line-height: 1.7;
}

.empty {
  font-family: var(--mono); font-size: 0.85rem; color: var(--muted);
  padding: 2rem 0; border-bottom: 1px solid var(--rule);
}

/* ---- footer ---- */
footer {
  margin-top: 3rem; border-top: 1px solid var(--rule);
  background: var(--panel); padding-block: 2rem;
}
footer .wrap { display: flex; flex-wrap: wrap; gap: 1.5rem 3rem; }
footer p, footer a {
  font-family: var(--mono); font-size: 0.72rem; color: var(--muted);
  line-height: 1.8;
}
footer .disclaimer { max-width: 46ch; }

/* ---- responsive ---- */
@media (max-width: 40rem) {
  .entry { grid-template-columns: 1fr; gap: 0.2rem; }
  .counters { gap: 1.25rem 2rem; }
  .hero { padding-block: 2rem 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .masthead { position: static; }
  body { background: #fff; }
}