/* Explainer pages — standalone; palette mirrors ../style.css */
:root {
  --paper: #f7f4ee; --card: #fffdf9; --ink: #23211c; --muted: #6e6a5f;
  --faint: #97927f; --line: #e4dfd2; --line-soft: #ece8dc;
  --money: #99311f; --money-deep: #7a2419;
  --c-ro: #6f2014; --c-fit: #99412c; --c-cfdr: #bb6647; --c-cfdl: #d48f6b; --c-con: #e7b896;
  --c-cm: #5f8098; --c-ccl: #2e4a5e; --c-ets: #46677e; --c-tnuos: #84a3b8; --c-bsuos: #b3c8d8;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "IBM Plex Sans", -apple-system, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--money); outline-offset: 2px; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: var(--sans); font-size: 16px; line-height: 1.5;
}
.num { font-variant-numeric: tabular-nums; }

/* explainer layout */
.xwrap { max-width: 760px; margin: 0 auto; padding: 0 16px 48px; }
.crumb { font-size: 0.72rem; color: var(--faint); margin: 14px 0; }
.crumb a { color: var(--money-deep); }
.xhead { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.xhead .chip { width: 16px; height: 16px; border-radius: 4px; flex: none; }
.xhead h1 { font-family: var(--serif); font-size: 1.6rem; margin: 0; }
.badge { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.07em;
  border-radius: 999px; padding: 3px 10px; color: #fff; background: var(--money-deep); }
.badge.est { background: var(--c-cm); }
.xstrip { display: flex; flex-wrap: wrap; background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; overflow: hidden; margin: 16px 0 20px; }
.xstrip .m { flex: 1 1 0; min-width: 140px; padding: 9px 13px; border-right: 1px solid var(--line-soft); }
.xstrip .k { font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--faint); }
.xstrip .v { font-size: 1.08rem; font-weight: 650; color: var(--money-deep); }
.xbody h2 { font-family: var(--serif); font-size: 1.05rem; color: var(--money-deep); margin: 20px 0 6px; }
.xbody p { font-size: 0.92rem; line-height: 1.6; margin: 0 0 10px; }
.spark { display: flex; align-items: flex-end; gap: 2px; height: 56px; margin: 10px 0 4px; }
.spark i { background: var(--spark-c, var(--c-cfdr)); flex: 1; border-radius: 2px 2px 0 0; min-height: 2px; }
.bill { background: var(--card); border: 1px dashed var(--line); border-radius: 10px;
  padding: 12px 16px; font-size: 0.85rem; }
.bill .ln { display: flex; justify-content: space-between; padding: 3px 0; }
.bill .hi { background: #f3e3dc; margin: 0 -8px; padding: 3px 8px; border-radius: 5px;
  color: var(--money-deep); font-weight: 600; }
.src { font-size: 0.8rem; color: var(--muted); }
.src a { color: var(--money-deep); }

/* footer */
.vfoot { border-top: 1px solid var(--line); margin-top: 26px; padding-top: 10px;
  font-size: 0.72rem; color: var(--faint); display: flex; justify-content: space-between;
  gap: 10px; flex-wrap: wrap; }
.vfoot a { color: var(--money-deep); }