:root {
  color-scheme: light dark;
  --bg: #eef1f6; --panel: #fff; --text: #12161c; --muted: #59636f;
  --border: #dbe1ea; --accent: #92470f; --soft: #fff3e8;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1116; --panel: #161b22; --text: #e7ecf3; --muted: #a3afbf;
    --border: #354152; --accent: #f0a268; --soft: #2b211b; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.6 system-ui, -apple-system, "Segoe UI", sans-serif; }
a { color: var(--accent); text-underline-offset: .2em; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.skip { position: absolute; top: -100px; left: 16px; z-index: 2; padding: 10px; background: var(--panel); }
.skip:focus { top: 8px; }
.topbar { display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 14px; padding: 18px max(20px, calc((100% - 1160px) / 2));
  border-bottom: 1px solid var(--border); background: var(--panel); }
.brand { text-decoration: none; color: var(--text); font-weight: 800; letter-spacing: .12em; }
.brand span { color: var(--muted); font-size: 12px; letter-spacing: .02em; }
.topbar nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: 13px; }
[aria-current="page"] { font-weight: 750; }
main { max-width: 1200px; margin: auto; padding: 32px 20px 64px; }
.hero { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; align-items: center; margin-bottom: 30px; }
h1 { font-size: clamp(32px, 5vw, 56px); line-height: 1.1; letter-spacing: -.04em; margin: 12px 0; }
h2 { font-size: 25px; letter-spacing: -.02em; margin: 0 0 12px; }
h3 { font-size: 18px; margin: 0; }
p { max-width: 85ch; }
.intro { color: var(--muted); max-width: 52ch; font-size: 17px; }
.eyebrow { text-transform: uppercase; font-size: 11px; letter-spacing: .12em; color: var(--muted); font-weight: 700; }
.research-note { padding: 20px; border-left: 3px solid var(--accent); background: var(--soft); }
.research-note p { margin-bottom: 0; font-size: 13px; }
.badge { display: inline-block; border: 1px solid var(--border); border-radius: 6px;
  padding: 4px 9px; font-size: 12px; font-weight: 700; background: var(--soft); color: var(--accent); }
.section-nav { display: flex; gap: 22px; flex-wrap: wrap; border-block: 1px solid var(--border);
  padding: 14px 0; margin-bottom: 24px; font-size: 13px; }
.data-status { padding: 16px 20px; border: 1px solid var(--border);
  border-left: 3px solid var(--accent); border-radius: 8px; background: var(--soft); }
section { scroll-margin-top: 20px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 24px; margin-top: 22px; min-width: 0; }
.empty { color: var(--muted); padding: 18px; border: 1px dashed var(--border); border-radius: 8px; }
.signal, .history { border-top: 1px solid var(--border); margin-top: 24px; padding-top: 22px; }
.signal-head { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.quote-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 24px; }
dl > div { min-width: 0; padding: 5px 0; }
dt { color: var(--muted); font-size: 12px; }
dd { margin: 3px 0 0; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.warnings { background: var(--soft); padding: 14px 14px 14px 32px; border-radius: 6px; font-size: 13px; }
.source { color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.metric { font-size: clamp(22px, 3vw, 32px); font-weight: 750; letter-spacing: -.02em; }
footer { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; margin-top: 30px; font-size: 12px; color: var(--muted); }
footer p { margin-right: auto; }
details { margin-top: 10px; overflow-wrap: anywhere; }
summary { cursor: pointer; }
@media (max-width: 700px) {
  .hero { grid-template-columns: 1fr; gap: 16px; }
  .quote-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  section { padding: 18px; }
}
@media (max-width: 420px) {
  .quote-grid { grid-template-columns: 1fr; }
  main { padding-inline: 12px; }
  .topbar nav { gap: 12px; }
}