/* trx exchange — editorial serif. cream paper, hairlines, no cards where a line will do. */

:root{
  --bg:#fbf9f4;
  --card:#ffffff;
  --accent:#8a6a2f;
  --accent-2:#a8843f;
  --ink:#17150f;
  --muted:#756c5c;
  --line:#e8e2d5;
  --line-2:#cec5b2;
  --r:4px;
  --serif:'Fraunces',Georgia,'Times New Roman',serif;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  --wrap:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--sans);font-size:17px;line-height:1.66;
  font-feature-settings:"kern" 1;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--ink)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;font-optical-sizing:auto;margin:0}
p{margin:0 0 1.05em}
ul,ol{margin:0 0 1.2em;padding-left:1.15em}
li{margin:0 0 .5em}
strong{font-weight:600}
em{font-style:italic}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;width:100%}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:10px 16px;z-index:9}
.skip:focus{left:8px;top:8px}

.eyebrow{
  font-family:var(--mono);font-size:11px;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted);margin:0 0 14px;
}
.eyebrow .n{color:var(--accent)}

/* ---------- header: no background, no border ---------- */
.hdr{padding:26px 0 8px}
.hdr-in{display:flex;align-items:center;gap:20px;flex-wrap:wrap}
.logo{
  display:inline-flex;align-items:center;gap:9px;color:var(--ink);
  text-decoration:none;font-family:var(--serif);font-size:19px;font-weight:600;
  letter-spacing:-.01em;flex:0 0 auto;min-width:0;
}
.logo svg{flex:0 0 auto}
.hdr nav{
  display:flex;gap:22px;flex-wrap:wrap;justify-content:center;
  flex:1 1 auto;min-width:0;
}
.hdr nav a{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);text-decoration:none;padding:3px 0;border-bottom:1px solid transparent;
}
.hdr nav a:hover,.hdr nav a.on{color:var(--ink);border-bottom-color:var(--accent)}
.hdr .side{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);text-decoration:none;flex:0 0 auto;white-space:nowrap;
}
.hdr .side:hover{color:var(--ink)}

/* ---------- hero ---------- */
.hero{padding:34px 0 66px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.27fr) minmax(0,.73fr);gap:46px;align-items:center}
.hero-grid>*{min-width:0}
h1{
  font-size:clamp(38px,5.6vw,70px);line-height:1.03;letter-spacing:-.022em;
  margin:0 0 22px;
}
h1 em{display:block;color:var(--accent);font-style:italic;letter-spacing:-.03em}
.lede{font-size:18px;color:#3a352b;max-width:38ch;margin:0 0 30px}
.hero figure{margin:0}
.hero figure img{border-radius:var(--r);aspect-ratio:4/5;object-fit:cover;width:100%}
.hero figcaption{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-top:10px;
}

/* ---------- the one-line form: fields on hairlines, no card ---------- */
.form{display:flex;align-items:flex-end;gap:14px;flex-wrap:wrap;margin:0 0 16px}
.f{display:flex;flex-direction:column;gap:6px;min-width:0;flex:1 1 92px}
.f.f-amt{flex:1.3 1 104px}
.f label{
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
}
.f input,.f select{
  font-family:var(--serif);font-size:21px;font-weight:600;color:var(--ink);
  background:transparent;border:0;border-bottom:1px solid var(--line-2);
  border-radius:0;padding:6px 0;width:100%;min-width:0;
  appearance:none;-webkit-appearance:none;
}
.f select{
  background-image:linear-gradient(45deg,transparent 50%,var(--accent) 50%),linear-gradient(135deg,var(--accent) 50%,transparent 50%);
  background-position:calc(100% - 9px) 55%,calc(100% - 4px) 55%;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:20px;
}
.f input:focus,.f select:focus{outline:none;border-bottom-color:var(--accent)}
.f input[readonly]{color:var(--accent)}
.btn{
  font-family:var(--mono);font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  background:var(--ink);color:#fdfbf6;border:1px solid var(--ink);border-radius:var(--r);
  padding:14px 18px;text-decoration:none;display:inline-block;text-align:center;
  flex:0 0 auto;cursor:pointer;
}
.btn:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.form .btn{margin-bottom:1px}
.quote-line{
  display:flex;gap:18px;flex-wrap:wrap;align-items:center;
  font-family:var(--mono);font-size:12.5px;color:var(--muted);
}
.quote-line b{color:var(--ink);font-weight:500}
.flip{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  background:none;border:0;border-bottom:1px solid var(--line-2);color:var(--accent);
  padding:2px 0;cursor:pointer;
}
.flip:hover{color:var(--ink);border-bottom-color:var(--ink)}
.fine{font-size:13px;color:var(--muted);margin:14px 0 0;max-width:46ch}

@media (min-width:1140px){
  .form{flex-wrap:nowrap}
  .f,.f.f-amt{flex:1 1 0}
}

/* ---------- sections split by a hairline, not by a background ---------- */
section{border-top:1px solid var(--line);padding:58px 0}
.sec{display:grid;grid-template-columns:150px minmax(0,1fr);gap:40px;align-items:start}
.sec>*{min-width:0}
.sec-head{position:sticky;top:26px}
h2{font-size:clamp(28px,3.2vw,40px);line-height:1.12;letter-spacing:-.018em;margin:0 0 20px}
h2 em{color:var(--accent);font-style:italic}
h3{font-size:20px;line-height:1.3;margin:0 0 8px}
.body-col{max-width:64ch}
.body-col.wide{max-width:none}

/* ---------- editorial pair list with leader dots ---------- */
.pairs{list-style:none;margin:8px 0 22px;padding:0;border-top:1px solid var(--line)}
.pairs li{
  display:flex;align-items:baseline;gap:10px;margin:0;
  padding:13px 0;border-bottom:1px solid var(--line);
}
.pairs .nm{
  font-family:var(--serif);font-size:20px;font-weight:600;color:var(--ink);
  text-decoration:none;flex:0 0 auto;min-width:0;white-space:nowrap;
}
a.nm:hover{color:var(--accent)}
.pairs .dots{
  flex:1 1 auto;min-width:16px;height:1px;
  border-bottom:1px dotted var(--line-2);transform:translateY(-4px);
}
.pairs .val{
  font-family:var(--mono);font-size:14px;color:var(--ink);flex:0 0 auto;
  white-space:nowrap;text-align:right;min-width:0;
}
.pairs .val span{color:var(--muted)}
.pairs .tag{
  font-family:var(--mono);font-size:10px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--accent);flex:0 0 auto;
}
.col-head{
  display:flex;justify-content:space-between;gap:12px;
  font-family:var(--mono);font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
}

/* ---------- steps ---------- */
ol.tl{list-style:none;margin:0;padding:0;counter-reset:st}
ol.tl li{
  counter-increment:st;position:relative;padding:0 0 26px 58px;margin:0;
  border-left:1px solid var(--line);margin-left:11px;
}
ol.tl li::before{
  content:counter(st,decimal-leading-zero);
  position:absolute;left:-11px;top:2px;width:22px;height:22px;border-radius:50%;
  background:var(--bg);border:1px solid var(--line-2);color:var(--accent);
  font-family:var(--mono);font-size:10px;display:flex;align-items:center;justify-content:center;
}
ol.tl li:last-child{border-left-color:transparent;padding-bottom:0}
ol.tl p{margin:0 0 .6em;color:#3a352b}
ol.tl p:last-child{margin-bottom:0}

/* ---------- pull quote ---------- */
.pull{
  border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);
  margin:34px 0;padding:34px 0;
}
.pull p{
  font-family:var(--serif);font-style:italic;font-weight:600;
  font-size:clamp(24px,3.4vw,40px);line-height:1.16;letter-spacing:-.02em;
  color:var(--accent);margin:0;max-width:20ch;
}
.pull cite{
  display:block;margin-top:16px;font-style:normal;
  font-family:var(--mono);font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);
}

/* ---------- figures, notes, small tables ---------- */
figure{margin:0 0 20px}
figure img{border-radius:var(--r);width:100%}
figcaption{
  font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-top:9px;
}
.side-fig{margin:0}
.note{
  border-left:2px solid var(--accent);padding:2px 0 2px 18px;margin:24px 0;
  color:#3a352b;
}
.mono{font-family:var(--mono);font-size:14px}
.tw{overflow-x:auto;margin:0 0 20px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;min-width:420px;font-size:15px}
th,td{text-align:left;padding:12px 14px 12px 0;border-bottom:1px solid var(--line);vertical-align:top}
th{
  font-family:var(--mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted);font-weight:400;
}

/* two-column split inside a section */
.split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:40px;align-items:start}
.split>*{min-width:0}

/* ---------- faq as dictionary entries ---------- */
.dict{border-top:1px solid var(--line)}
.dict details{border-bottom:1px solid var(--line);padding:16px 0}
.dict summary{
  font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink);cursor:pointer;list-style:none;display:flex;gap:14px;align-items:flex-start;
}
.dict summary::-webkit-details-marker{display:none}
.dict summary::before{content:"+";color:var(--accent);flex:0 0 auto;font-size:13px;line-height:1.3}
.dict details[open] summary::before{content:"–"}
.dict summary:hover{color:var(--accent)}
.dict details>p{margin:12px 0 0 28px;max-width:62ch;color:#3a352b}
.dict details>p:first-of-type{margin-top:14px}

/* ---------- closing block ---------- */
.close{text-align:left}
.close h2{max-width:16ch}
.close .btn{margin-top:10px}

/* ---------- footer ---------- */
footer{border-top:1px solid var(--line);padding:38px 0 54px;color:var(--muted);font-size:14px}
.f-grid{display:flex;gap:30px;flex-wrap:wrap;justify-content:space-between;align-items:flex-start}
.f-grid>*{min-width:0}
footer nav{display:flex;gap:20px;flex-wrap:wrap}
footer a{color:var(--muted);text-decoration:none;border-bottom:1px solid var(--line)}
footer a:hover{color:var(--ink)}
.f-note{max-width:52ch;font-size:13px;line-height:1.6}

/* ---------- 404 ---------- */
.mini{padding:70px 0 40px;border-top:0}
.mini h1{font-size:clamp(34px,5vw,58px)}

/* ---------- legal ---------- */
.legal{max-width:70ch}
.legal h2{font-size:24px;margin:34px 0 12px}
.legal p{font-size:16px}

/* ---------- breakpoints ---------- */
@media (max-width:980px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero figure img{aspect-ratio:16/10}
  .sec{grid-template-columns:1fr;gap:16px}
  .sec-head{position:static}
  .split{grid-template-columns:1fr;gap:28px}
  .lede{max-width:none}
}
@media (max-width:720px){
  body{font-size:16px}
  .wrap{padding:0 18px}
  .hdr{padding:18px 0 4px}
  .hdr-in{gap:12px}
  .hdr nav{justify-content:flex-start;gap:16px;order:3;flex-basis:100%}
  .hdr .side{margin-left:auto}
  .hero{padding:24px 0 48px}
  section{padding:44px 0}
  .form{flex-direction:column;align-items:stretch;gap:16px}
  .f,.f.f-amt{flex:1 1 auto;width:100%}
  .form .btn{width:100%;margin-bottom:0;padding:16px 18px}
  .pairs li{flex-wrap:wrap;gap:6px 10px}
  .pairs .dots{min-width:10px}
  .pairs .val{width:100%;text-align:left}
  ol.tl li{padding-left:44px}
  .pull p{max-width:none}
  .dict summary{font-size:11px;letter-spacing:.1em}
  .dict details>p{margin-left:0}
}
@media (max-width:440px){
  .hdr nav{gap:12px}
  .hdr nav a{font-size:10px;letter-spacing:.08em}
  .logo{font-size:17px}
  .hdr .side{font-size:10px;letter-spacing:.08em}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}