/* hpwh vault overview */
:root {
  --bg: #0a0c10;
  --bg-elev: #12151c;
  --bg-inset: #0e1117;
  --ink: #e6e1d6;
  --ink-dim: #9a9386;
  --ink-faint: #6b655c;
  --rule: #2a3140;
  --rule-soft: #1c222c;
  --brass: #c4a46a;
  --brass-dim: #8a7348;
  --steel: #7f9bb3;
  --copper: #c17a58;
  --oxide: #6e8f74;
  --measure: 46rem;
  --folio: 72rem;
}

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

html { font-size: 17px; scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  min-height: 100vh;
  color: var(--ink);
  background: var(--bg);
  font-family: "IBM Plex Serif", "Source Serif 4", Georgia, serif;
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: 0.005em;
}

#night {
  position: fixed;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.07;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.skip {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 5;
  padding: 0.4rem 0.7rem;
  background: var(--brass);
  color: #111;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.8rem;
}

.skip:focus { top: 1rem; }

.mast,
main,
.colophon {
  position: relative;
  z-index: 2;
}

.mast {
  max-width: var(--folio);
  margin: 0 auto;
  padding: 3.2rem 1.4rem 1.6rem;
  border-bottom: 1px solid var(--rule);
}

.kicker,
.num,
.label,
.layer-kicker,
.badge,
.tag,
figcaption,
.stat-row span,
.part-grid code,
.context {
  font-family: "IBM Plex Sans", "Helvetica Neue", sans-serif;
}

.kicker {
  margin: 0 0 0.85rem;
  color: var(--brass);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.7rem;
  max-width: 22ch;
  font-size: clamp(1.85rem, 4vw, 2.55rem);
  font-weight: 500;
  line-height: 1.18;
  letter-spacing: -0.02em;
}

h1 .dates {
  display: inline-block;
  color: var(--ink-dim);
  font-style: italic;
  font-weight: 400;
  letter-spacing: 0;
}

.context {
  margin: 0 0 1.15rem;
  color: var(--ink-dim);
  font-size: 0.92rem;
  font-weight: 500;
}

.quest {
  margin: 0 0 1rem;
  max-width: 58ch;
  font-size: 1.08rem;
}

.quest .label {
  display: inline-block;
  margin-right: 0.55rem;
  padding: 0.08rem 0.4rem;
  border: 1px solid var(--brass-dim);
  color: var(--brass);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  vertical-align: 0.12em;
}

.read-as {
  margin: 0;
  max-width: 62ch;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

code {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.86em;
  color: var(--brass);
}

main {
  max-width: var(--folio);
  margin: 0 auto;
  padding: 0 1.4rem 4rem;
}

.folio {
  padding: 2.6rem 0 0.4rem;
  border-bottom: 1px solid var(--rule-soft);
}

.sec-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 0.7rem;
}

.num {
  margin: 0;
  color: var(--brass-dim);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
}

h2 {
  margin: 0;
  font-size: 1.45rem;
  font-weight: 500;
  letter-spacing: -0.015em;
}

h3 {
  margin: 0 0 0.55rem;
  font-size: 1.15rem;
  font-weight: 500;
}

.lede {
  max-width: var(--measure);
  margin: 0 0 1.4rem;
  color: var(--ink-dim);
}

.stat-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 0.6rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
}

.stat-row li {
  padding: 0.75rem 0.7rem 0.65rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
}

.stat-row b {
  display: block;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.stat-row span {
  color: var(--ink-dim);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16.5rem, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.5rem;
}

.chart-card {
  margin: 0 0 1.4rem;
  padding: 0.95rem 1rem 1rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
}

.chart-card.wide { padding: 1rem 1.1rem 1.15rem; }

figcaption {
  margin: 0 0 0.3rem;
  color: var(--ink);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.chart-note {
  margin: 0 0 0.75rem;
  color: var(--ink-dim);
  font-size: 0.84rem;
}

.chart-note.warn { color: var(--copper); }

.chart-frame {
  position: relative;
  height: 220px;
}

.chart-frame.tall { height: 280px; }

.plain {
  width: 100%;
  border-collapse: collapse;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.84rem;
}

.plain caption {
  caption-side: top;
  text-align: left;
  margin-bottom: 0.45rem;
  color: var(--ink-dim);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.plain th,
.plain td {
  padding: 0.4rem 0.5rem 0.4rem 0;
  border-bottom: 1px solid var(--rule-soft);
  text-align: left;
  vertical-align: top;
}

.plain th { color: var(--ink-faint); font-weight: 500; }

.plain.compact { margin-top: 0.9rem; }

.layer {
  max-width: 54rem;
  margin: 0 0 2rem;
  padding: 1.15rem 0 0.2rem;
}

.layer-kicker {
  margin: 0 0 0.25rem;
  color: var(--steel);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.layer p { margin: 0 0 0.7rem; }

.formula {
  padding: 0.65rem 0.8rem;
  background: var(--bg-inset);
  border-left: 2px solid var(--brass-dim);
  font-size: 0.95rem;
}

.stock-list {
  display: grid;
  gap: 0.7rem;
  margin: 0.9rem 0 1.3rem;
}

.stock-list > div {
  display: grid;
  grid-template-columns: 8.2rem 1fr;
  gap: 0.7rem;
  padding-bottom: 0.7rem;
  border-bottom: 1px solid var(--rule-soft);
}

.stock-list dt {
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brass);
}

.stock-list dd { margin: 0; }

.flag {
  display: inline-block;
  padding: 0 0.3rem;
  border: 1px solid var(--brass-dim);
  color: var(--brass);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.68rem;
  font-style: normal;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.part-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 1.1rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
}

.part-grid li {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  padding: 0.65rem 0.7rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
}

.part-grid code {
  color: var(--brass);
  font-size: 0.78rem;
}

.part-grid span {
  color: var(--ink-dim);
  font-size: 0.88rem;
}

.dossier {
  max-width: 54rem;
  margin: 0 0 1.2rem;
  padding: 1rem 1.05rem 0.85rem;
  background: var(--bg-elev);
  border: 1px solid var(--rule-soft);
}

.dossier p { margin: 0 0 0.65rem; }

.tag {
  margin-left: 0.45rem;
  color: var(--ink-faint);
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.flag-line { color: var(--copper); }

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

.tensions li {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--rule);
}

.tensions li:first-child { border-top: 1px solid var(--rule); }

.t-a,
.t-b {
  margin: 0;
  font-size: 0.98rem;
}

.t-a { color: var(--steel); }
.t-b { color: var(--copper); }

.vs {
  margin: 0.15rem 0 0;
  color: var(--ink-faint);
  font-family: "IBM Plex Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.not-decision {
  max-width: 54rem;
  padding: 1.15rem 1.2rem 1.05rem;
  background: var(--bg-elev);
  border: 1px solid var(--brass-dim);
}

.badge {
  display: inline-block;
  margin: 0 0 0.7rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--brass);
  color: var(--brass);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.not-decision p { margin: 0 0 0.7rem; }

.impl {
  font-size: 1.08rem;
  font-style: italic;
}

.holes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.4rem;
  max-width: 54rem;
}

.holes ul {
  margin: 0.3rem 0 0;
  padding-left: 1.1rem;
}

.holes li { margin: 0.2rem 0; }

.stack-note {
  max-width: var(--measure);
  margin: 1.3rem 0 0;
  color: var(--ink-dim);
  font-size: 0.92rem;
}

.colophon {
  max-width: var(--folio);
  margin: 0 auto;
  padding: 1.6rem 1.4rem 3rem;
  color: var(--ink-faint);
  font-size: 0.84rem;
}

.colophon p { margin: 0 0 0.45rem; max-width: 70ch; }

@media (max-width: 960px) {
  .stat-row { grid-template-columns: repeat(3, 1fr); }
  .part-grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  html { font-size: 16px; }
  .mast { padding-top: 2rem; }
  h1 { max-width: none; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .stock-list > div { grid-template-columns: 1fr; gap: 0.2rem; }
  .tensions li {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
  .holes { grid-template-columns: 1fr; }
  .chart-frame,
  .chart-frame.tall { height: 240px; }
}

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