/* ==========================================================
   BEARER
   Two worlds on one page: the desk (dark, dense, live) and the
   certificate (cream, engraved). No infinite animation anywhere.
   Accent colour is semantic only.
   ========================================================== */

:root{
  /* desk */
  --desk:#12151A;
  --panel:#171B21;
  --panel-2:#1C212A;
  --line:#262C34;
  --line-2:#333B46;
  --text:#DBE0E6;
  --dim:#8A939E;
  --dimmer:#616B76;

  /* paper */
  --paper:#EFE9DA;
  --paper-2:#E6DFCC;
  --ink:#17301F;
  --ink-2:#3D5A47;
  --ink-3:#6B7F70;
  --rule:#B2A488;
  --stamp:#8C2F2A;

  /* semantic */
  --up:#4FB07C;
  --down:#D9584C;
  --live:#D6A93C;

  --mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --sans:"IBM Plex Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  --serif:"EB Garamond",Georgia,"Times New Roman",serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--desk);color:var(--text);
  font-family:var(--sans);font-size:14px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.dim{color:var(--dim)}
.r{text-align:right}
.up{color:var(--up)} .down{color:var(--down)}

.wrap{max-width:1180px;margin:0 auto;padding:0 20px 80px}

/* ---------- tape ---------- */
.tape{
  position:sticky;top:0;z-index:40;background:var(--panel);
  border-bottom:1px solid var(--line);
}
.tape-in{
  max-width:1180px;margin:0 auto;padding:0 20px;height:42px;
  display:flex;align-items:center;gap:22px;overflow-x:auto;
  scrollbar-width:none;
}
.tape-in::-webkit-scrollbar{display:none}
.tape-brand{
  font-family:var(--mono);font-weight:600;font-size:12px;letter-spacing:.14em;
  color:var(--text);padding-right:4px;flex:0 0 auto;
}
.tape-i{display:flex;align-items:baseline;gap:7px;flex:0 0 auto;white-space:nowrap}
.tape-i b{font-weight:500;font-size:11px;color:var(--dimmer);text-transform:uppercase;letter-spacing:.07em}
.tape-i i{font-style:normal;font-family:var(--mono);font-size:12.5px;font-variant-numeric:tabular-nums}
.tape-state{
  margin-left:auto;flex:0 0 auto;font-family:var(--mono);font-size:11px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--dimmer);
  border:1px solid var(--line-2);border-radius:2px;padding:2px 8px;
}
.tape-state.live{color:var(--up);border-color:rgba(79,176,124,.45)}
.tape-state.pre{color:var(--live);border-color:rgba(214,169,60,.45)}

/* ---------- masthead ---------- */
.mast{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;padding:34px 0 14px;border-bottom:1px solid var(--line);
}
h1{
  font-family:var(--serif);font-weight:600;font-size:38px;line-height:1;
  margin:0;letter-spacing:-.005em;
}
.sub{margin:8px 0 0;color:var(--dim);font-size:14.5px}
.mast-r{display:flex;gap:8px;flex:0 0 auto}
.btn{
  display:inline-block;font-family:var(--mono);font-size:12px;letter-spacing:.04em;
  padding:7px 14px;border:1px solid var(--line-2);border-radius:2px;
  text-decoration:none;color:var(--text);background:var(--panel);
  transition:border-color .12s ease,background .12s ease;
}
.btn:hover{border-color:var(--dim);background:var(--panel-2)}
.btn-p{background:var(--text);color:var(--desk);border-color:var(--text);font-weight:600}
.btn-p:hover{background:#fff;border-color:#fff}
.btn[aria-disabled="true"]{opacity:.45;pointer-events:none}

.lede{
  max-width:70ch;margin:20px 0 34px;font-size:16px;line-height:1.6;color:#C3CAD2;
}

/* ---------- sections ---------- */
section{margin:0 0 46px}
.sh{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;
  border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:16px}
.sh h2{font-family:var(--sans);font-size:14px;font-weight:600;margin:0;letter-spacing:.01em}
.sh-note{font-size:12.5px;color:var(--dimmer)}

/* ---------- certificate ---------- */
.cert-wrap{margin:0 0 46px}
.cert{
  position:relative;background:var(--paper);color:var(--ink);
  border-radius:2px;overflow:hidden;
  box-shadow:0 1px 0 rgba(255,255,255,.05),0 18px 44px rgba(0,0,0,.5);
  background-image:
    radial-gradient(circle at 18% 12%, rgba(23,48,31,.045) 0 1px, transparent 1px),
    radial-gradient(circle at 72% 68%, rgba(23,48,31,.04) 0 1px, transparent 1px);
  background-size:11px 11px, 17px 17px;
}
.cert-guilloche{display:block;width:100%;height:26px}
.cert-guilloche-b{transform:scaleY(-1)}
.cert-body{padding:22px 30px 16px;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}

.cert-head{text-align:center;padding-bottom:14px;border-bottom:1px double var(--rule)}
.cert-issuer{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.22em;text-transform:uppercase;
  color:var(--ink-2);
}
.cert-title{
  font-family:var(--serif);font-size:clamp(30px,5.4vw,52px);line-height:1.02;
  font-weight:600;margin:6px 0 4px;letter-spacing:.005em;
}
.cert-strap{font-family:var(--serif);font-style:italic;font-size:15px;color:var(--ink-2)}

.cert-issueline{
  display:flex;align-items:baseline;justify-content:center;gap:10px;flex-wrap:wrap;
  padding:11px 0 0;font-family:var(--serif);font-size:15px;color:var(--ink-2);
}
.cert-issueline b{
  font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink);
  border-bottom:1px solid var(--rule);padding-bottom:1px;
}

.cert-mid{
  display:grid;grid-template-columns:168px 1fr 176px;gap:26px;align-items:start;
  padding:14px 0 18px;
}
.cert-rosette canvas{display:block;width:168px;height:168px}
.cert-legal p{
  font-family:var(--serif);font-size:15.5px;line-height:1.5;margin:0 0 10px;
}
.cert-legal p:last-child{margin-bottom:0}
.cert-legal b{font-weight:600}
.cert-denom{border-left:1px solid var(--rule);padding-left:20px}
.dk{font-family:var(--mono);font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-3);margin-top:12px}
.dk:first-child{margin-top:0}
.dv{font-family:var(--mono);font-size:16px;font-weight:500;margin-top:2px;font-variant-numeric:tabular-nums}

.cert-foot{
  display:grid;grid-template-columns:1.75fr .8fr 1fr 1fr;gap:18px;
  padding-top:14px;border-top:1px double var(--rule);
}
.cfk{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.cfv{font-size:12.5px;margin-top:3px;word-break:break-all}
/* a 42 character address has to sit on one line to read as a serial */
#c-serial{font-size:11px;letter-spacing:.005em;word-break:normal;overflow-wrap:anywhere}
.cf-sig{text-align:center}
.sig{
  font-family:var(--serif);font-style:italic;font-size:24px;line-height:1.1;
  border-bottom:1px solid var(--ink-3);padding-bottom:2px;margin-bottom:4px;
}

.microprint{
  overflow:hidden;white-space:nowrap;text-overflow:clip;
  font-family:var(--mono);font-size:4.2px;letter-spacing:.055em;
  color:rgba(23,48,31,.42);padding:8px 0 2px;user-select:none;
}

/* perforation + coupons */
.perf{
  height:0;border-top:1px dashed var(--rule);
  position:relative;margin:0 14px;
}
.coupons{
  display:flex;gap:0;overflow-x:auto;padding:12px 14px 16px;
  scrollbar-width:thin;
}
.coupon{
  flex:0 0 116px;border-right:1px dashed var(--rule);padding:8px 12px 6px;
  position:relative;cursor:pointer;background:transparent;
  transition:transform .14s ease, background .14s ease;
  text-align:left;font:inherit;color:inherit;border-top:0;border-left:0;border-bottom:0;
}
.coupon:first-child{padding-left:2px}
.coupon:hover{background:rgba(23,48,31,.055);transform:translateY(-2px)}
.coupon:focus-visible{outline:2px solid var(--ink);outline-offset:-2px}
.coupon .cn{font-family:var(--mono);font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.coupon .cd{font-family:var(--mono);font-size:12px;margin-top:2px;font-variant-numeric:tabular-nums}
.coupon .cs{font-family:var(--mono);font-size:10.5px;margin-top:4px;color:var(--ink-2)}
.coupon.paid .cs{color:var(--stamp)}
.coupon .stamp{
  position:absolute;right:8px;top:14px;
  font-family:var(--mono);font-size:9px;letter-spacing:.14em;
  color:var(--stamp);border:1.5px solid var(--stamp);border-radius:2px;
  padding:1px 4px;transform:rotate(-11deg);opacity:.85;
}
.coupon.due{background:rgba(214,169,60,.12)}
.coupon.due .cs{color:#8A6A14;font-weight:600}
.coupon.pending{opacity:.52}
.coupon.pending .cs{color:var(--ink-3)}
.coupon.pending:hover{opacity:.8}

.cert-note{margin:10px 2px 0;font-size:12.5px;color:var(--dimmer)}

/* ---------- tables ---------- */
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:16px}
.tscroll{overflow-x:auto;border:1px solid var(--line);border-radius:2px;background:var(--panel)}
table.dt{width:100%;border-collapse:collapse;font-size:13px}
.grid2 table.dt{border:1px solid var(--line);background:var(--panel);border-radius:2px}
table.dt th,table.dt td{padding:8px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
table.dt tbody tr:last-child th,table.dt tbody tr:last-child td{border-bottom:0}
table.dt th{font-weight:500;color:var(--dim);width:38%;white-space:nowrap}
table.dt td{font-family:var(--mono);font-size:12.5px;font-variant-numeric:tabular-nums}
table.dt.dt-l th{width:auto;color:var(--dimmer);font-family:var(--sans);font-size:11px;
  letter-spacing:.06em;text-transform:uppercase;white-space:nowrap;
  border-bottom:1px solid var(--line-2);background:var(--panel-2);position:sticky;top:0}
table.dt.dt-l td{white-space:nowrap}
table.dt.dt-l td.r,table.dt.dt-l th.r{text-align:right}
tr.empty td{color:var(--dimmer);font-family:var(--sans);font-size:13px;text-align:center;padding:22px 12px}
td a{color:var(--text);text-decoration:none;border-bottom:1px solid var(--line-2)}
td a:hover{border-bottom-color:var(--dim)}
.badge{
  display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.07em;
  text-transform:uppercase;border:1px solid var(--line-2);border-radius:2px;
  padding:1px 5px;color:var(--dim);
}
.badge.ex{color:var(--down);border-color:rgba(217,88,76,.4)}

/* ---------- stats ---------- */
.stat{background:var(--panel);border:1px solid var(--line);border-radius:2px;padding:14px 16px}
.sk{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dimmer)}
.sv{font-family:var(--mono);font-size:23px;font-variant-numeric:tabular-nums;margin-top:6px;line-height:1.1}
.sn{font-size:12px;color:var(--dim);margin-top:5px}

.prose{max-width:76ch;margin-top:16px}
.prose p{margin:0 0 11px;color:#BEC6CE;font-size:14px}
.prose p:last-child{margin-bottom:0}

/* ---------- chart ---------- */
.chart-box{border:1px solid var(--line);border-radius:2px;background:var(--panel);overflow:hidden}
.chart-box iframe{display:block;width:100%;height:520px;border:0}
.chart-ph{padding:56px 20px;text-align:center;color:var(--dimmer);font-size:13px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding-top:22px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1fr 1fr 200px;gap:26px}
.fk{font-size:11px;letter-spacing:.07em;text-transform:uppercase;color:var(--dimmer);margin-bottom:6px}
.foot-grid p{margin:0;font-size:13px;color:var(--dim);line-height:1.55}
.flinks{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:12.5px}
.flinks li{margin-bottom:5px}
.flinks a{text-decoration:none;color:var(--text);border-bottom:1px solid var(--line-2)}
.flinks a:hover{border-bottom-color:var(--dim)}
.foot-b{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:22px;padding-top:14px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:11.5px;color:var(--dimmer);
}

/* ---------- responsive ---------- */
@media (max-width:940px){
  .cert-mid{grid-template-columns:1fr;gap:16px}
  .cert-rosette{display:none}
  /* label/value rows, so the pairs never interleave */
  .cert-denom{border-left:0;border-top:1px solid var(--rule);padding-left:0;padding-top:12px;
    display:grid;grid-template-columns:auto 1fr;gap:6px 16px;align-items:baseline}
  .dk{margin-top:0;align-self:baseline}
  .dv{margin-top:0;text-align:right}
  .cert-foot{grid-template-columns:1fr 1fr}
  .grid2,.grid3{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}
@media (max-width:620px){
  .wrap{padding:0 14px 60px}
  .tape-in{padding:0 14px}
  h1{font-size:30px}
  .cert-body{padding:16px 16px 12px}
  .cert-foot{grid-template-columns:1fr;gap:12px}
  .cf-sig{text-align:left}
  .lede{font-size:15px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
}

/* a rehearsal is a real payment on another token, run to prove the
   machinery before issue. Never dressed up as a BEARER coupon. */
tr.reh td{background:rgba(214,169,60,.06);color:var(--dim)}
tr.reh td:first-child{color:var(--text)}

/* ---------- the argument ---------- */
.arg{
  background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--up);
  border-radius:2px;padding:22px 26px 18px;margin:0 0 8px;
}
.arg-1{margin:0 0 12px;font-size:16.5px;line-height:1.55;color:#C7CFD7;max-width:78ch}
.arg-2{margin:0 0 18px;font-size:20px;line-height:1.4;color:var(--text);font-weight:500;max-width:60ch}
.arg-2 b{color:var(--up);font-weight:600}
.arg-1 b{color:var(--text);font-weight:600}
.arg-rows{display:grid;gap:0;border-top:1px solid var(--line)}
.ar{display:grid;grid-template-columns:190px 1fr;gap:18px;padding:9px 0;border-bottom:1px solid var(--line)}
.ar:last-child{border-bottom:0}
.ark{font-size:12px;letter-spacing:.05em;text-transform:uppercase;color:var(--dimmer)}
.arv{font-size:13.5px;color:var(--dim)}
.arv b{color:var(--text);font-weight:600}

/* ---------- the calculator ---------- */
.calc{display:grid;grid-template-columns:340px 1fr;gap:16px;align-items:stretch}
.calc-in{background:var(--panel);border:1px solid var(--line);border-radius:2px;padding:18px 20px}
.calc-in label{display:block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dimmer);margin-bottom:12px}
.calc-v{font-size:30px;margin:12px 0 14px;font-variant-numeric:tabular-nums;line-height:1}
input[type=range]{
  -webkit-appearance:none;appearance:none;width:100%;height:3px;background:var(--line-2);
  border-radius:2px;outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:15px;height:15px;border-radius:50%;
  background:var(--text);cursor:pointer;border:0;
}
input[type=range]::-moz-range-thumb{
  width:15px;height:15px;border-radius:50%;background:var(--text);cursor:pointer;border:0;
}
input[type=range]:focus-visible{outline:2px solid var(--up);outline-offset:4px}
.calc-presets{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.pbtn{
  font-family:var(--mono);font-size:11px;padding:4px 9px;border:1px solid var(--line-2);
  border-radius:2px;background:transparent;color:var(--dim);cursor:pointer;
  transition:border-color .12s ease,color .12s ease;
}
.pbtn:hover{border-color:var(--dim);color:var(--text)}
.pbtn:focus-visible{outline:2px solid var(--up);outline-offset:2px}
.calc-out{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:2px;overflow:hidden}
.co{background:var(--panel);padding:18px 18px 16px;display:flex;flex-direction:column;justify-content:center}
.cok{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--dimmer)}
.cov{font-size:27px;margin-top:8px;line-height:1;font-variant-numeric:tabular-nums}
.con{font-size:12px;color:var(--dim);margin-top:6px}
@media(max-width:940px){
  .calc{grid-template-columns:1fr}
  .calc-out{grid-template-columns:1fr}
  .ar{grid-template-columns:1fr;gap:2px}
}