:root{
  --bg:#FAF7F2; --ink:#221E2C; --plum:#5B2A86; --gold:#B7791F;
  --rule:#E4DED4; --card:#FFFFFF; --muted:#6B6470;
  --head:"Palatino Linotype","Book Antiqua",Palatino,serif;
  --body:"Lucida Sans Unicode","Lucida Grande",Verdana,sans-serif;
  --data:"Courier New",Courier,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--body);font-size:16.5px;line-height:1.7;
}
a{color:var(--plum);text-decoration:none}
a:hover{text-decoration:underline}
a:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
img{max-width:100%;height:auto;display:block;border-radius:3px}
code,kbd,samp,.mono{font-family:var(--data)}

/* ---------- header / bar rail ---------- */
.site-head{
  position:sticky;top:0;z-index:50;background:var(--bg);
  border-bottom:1px solid var(--rule);
}
.head-row{
  max-width:1180px;margin:0 auto;padding:.6rem 1rem .35rem;
  display:flex;align-items:flex-end;gap:1rem;flex-wrap:wrap;
}
.brand{display:flex;align-items:center;gap:.6rem;color:var(--ink)}
.brand:hover{text-decoration:none}
.mono-sig{width:44px;height:44px;flex:0 0 auto}
.wordmark{
  font-family:var(--head);font-size:1.12rem;letter-spacing:.06em;
  text-transform:uppercase;line-height:1.1;
}
.brand .domain{
  display:block;font-family:var(--data);font-size:.7rem;color:var(--muted);
  letter-spacing:.02em;margin-top:.15rem;
}
.head-spacer{flex:1 1 auto}
.bars{
  display:flex;align-items:flex-end;gap:.35rem;
  flex-wrap:wrap;
}
.bar{position:relative;margin:0}
.bar>summary{
  list-style:none;cursor:pointer;display:flex;flex-direction:column;
  align-items:center;justify-content:flex-end;gap:.25rem;
  border:1px solid var(--rule);border-bottom:none;
  border-radius:4px 4px 0 0;padding:.45rem .7rem .5rem;
  background:linear-gradient(180deg,#fff, #f3eee6);
  min-width:96px;text-align:center;
}
.bar>summary::-webkit-details-marker{display:none}
.bar>summary::marker{content:""}
.bar-code{font-family:var(--data);font-size:.68rem;color:var(--muted);letter-spacing:.08em}
.bar-name{font-family:var(--head);font-size:.82rem;line-height:1.1}
.bar[data-h="1"]>summary{height:58px}
.bar[data-h="2"]>summary{height:70px}
.bar[data-h="3"]>summary{height:82px}
.bar[data-h="4"]>summary{height:94px}
.bar[data-h="5"]>summary{height:106px}
.bar.is-active>summary{background:var(--plum);border-color:var(--plum)}
.bar.is-active .bar-code{color:#EADFF5}
.bar.is-active .bar-name{color:#fff}
.bar-panel{
  position:absolute;right:0;top:100%;min-width:290px;z-index:60;
  background:var(--card);border:1px solid var(--rule);border-radius:4px;
  padding:.5rem;box-shadow:0 10px 24px rgba(34,30,44,.12);
}
.bar-panel a{
  display:block;padding:.34rem .5rem;border-radius:3px;
  font-size:.86rem;color:var(--ink);border-left:2px solid transparent;
}
.bar-panel a:hover{background:#F5F0E8;text-decoration:none}
.bar-panel a[aria-current="page"]{
  border-left-color:var(--gold);color:var(--plum);font-weight:bold;background:#F7F2E9;
}
.bar-axis{
  height:10px;position:relative;border-top:1px solid var(--ink);
  background:repeating-linear-gradient(90deg,var(--muted) 0 1px,transparent 1px 14px);
  background-size:14px 5px;background-position:0 0;background-repeat:repeat-x;
}
.bar-axis::after{
  content:"";position:absolute;left:0;right:0;top:5px;height:5px;
  background:repeating-linear-gradient(90deg,var(--muted) 0 1px,transparent 1px 56px);
}
.mobile-strip{display:none}

/* ---------- main ---------- */
main{max-width:900px;margin:0 auto;padding:1.6rem 1rem 3rem}
main.wide{max-width:1040px}
h1,h2,h3,h4{font-family:var(--head);line-height:1.25;color:var(--ink)}
h1{font-size:2rem;margin:.2rem 0 .6rem}
h2{font-size:1.38rem;margin:2rem 0 .5rem;border-bottom:1px solid var(--rule);padding-bottom:.3rem}
h3{font-size:1.1rem;margin:1.4rem 0 .35rem;color:var(--plum)}
p{margin:.6rem 0}
.lead{font-size:1.1rem;color:#3a3546}
.kicker{font-family:var(--data);font-size:.74rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gold)}
.rule{height:1px;background:var(--rule);border:0;margin:1.6rem 0}
figure{margin:1.4rem 0;background:var(--card);border:1px solid var(--rule);
  border-radius:4px;padding:.7rem}
figcaption{font-family:var(--data);font-size:.76rem;color:var(--muted);margin-top:.5rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:680px){.grid2{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--rule);border-radius:4px;padding:.9rem 1rem}
.note{border-left:3px solid var(--gold);background:#FBF7EF;padding:.7rem 1rem;border-radius:0 4px 4px 0}
.stat{font-family:var(--data);font-size:.85rem}
table{border-collapse:collapse;width:100%;margin:1rem 0;font-size:.9rem}
th,td{border:1px solid var(--rule);padding:.45rem .6rem;text-align:left}
th{background:#F3EEE6;font-family:var(--head)}
td.num{font-family:var(--data);text-align:right}
dl.gloss dt{font-weight:bold;color:var(--plum);margin-top:.8rem}
dl.gloss dd{margin:.15rem 0 0 0}
.btn{
  display:inline-block;margin:.5rem .4rem .5rem 0;padding:.6rem 1.1rem;
  background:var(--plum);color:#fff;border-radius:4px;font-family:var(--head);
  border:1px solid var(--plum);
}
.btn:hover{background:#4a2170;text-decoration:none}
.btn.ghost{background:transparent;color:var(--plum)}
.svg-fig{width:100%;height:auto;background:var(--card);border:1px solid var(--rule);border-radius:4px}

/* FAQ */
details.faq{border:1px solid var(--rule);border-radius:4px;background:var(--card);margin:.5rem 0}
details.faq>summary{cursor:pointer;padding:.6rem .8rem;font-family:var(--head);color:var(--plum)}
details.faq>div{padding:0 .8rem .7rem}

/* form */
form.stack label{display:block;margin:.7rem 0 .2rem;font-size:.9rem}
form.stack input[type=text],form.stack input[type=email],
form.stack select,form.stack textarea{
  width:100%;padding:.55rem .6rem;border:1px solid var(--rule);border-radius:4px;
  font-family:var(--body);font-size:.95rem;background:#fff;color:var(--ink);
}
form.stack textarea{min-height:150px}
.consent{display:flex;gap:.5rem;align-items:flex-start;margin-top:.9rem;font-size:.88rem}

/* cookie notice */
.cookie-note{
  max-width:1180px;margin:.4rem auto 0;padding:.45rem .9rem;
  border:1px dashed var(--rule);border-radius:4px;background:#F6F1E9;
  font-size:.8rem;color:#4a4453;
}
.cookie-note a{color:var(--plum)}

/* ---------- footer ---------- */
.site-foot{
  border-top:2px solid var(--ink);background:#F4EFE6;margin-top:2rem;
  padding:1.6rem 1rem 2.4rem;
}
.foot-wrap{max-width:1180px;margin:0 auto}
.freq-title{font-family:var(--data);font-size:.78rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);margin-bottom:.7rem}
.freq{
  display:grid;grid-template-columns:repeat(5,1fr);
  border:1px solid var(--rule);background:var(--card);border-radius:4px;
}
.freq-col{border-right:1px solid var(--rule);padding:.6rem .7rem}
.freq-col:last-child{border-right:0}
.freq-col h4{font-size:.85rem;margin:0 0 .35rem;font-family:var(--head)}
.freq-col h4 span{font-family:var(--data);font-size:.66rem;color:var(--gold);display:block}
.freq-col a{display:block;font-size:.8rem;padding:.12rem 0;color:#3d3748}
.foot-meta{
  margin-top:1.2rem;display:grid;grid-template-columns:1.3fr 1fr;gap:1.2rem;
  font-size:.82rem;color:#4a4453;
}
.foot-meta h4{font-family:var(--head);font-size:.92rem;margin:0 0 .3rem}
.foot-legal{margin:.9rem 0 0;font-size:.78rem;line-height:1.9}
.foot-legal a{margin-right:.2rem;color:var(--plum)}
.disclaimer{
  margin-top:1.2rem;padding:.8rem 1rem;border:1px solid var(--rule);
  background:#fff;border-radius:4px;font-size:.8rem;color:#4a4453;
}
.copy{margin-top:.8rem;font-family:var(--data);font-size:.72rem;color:var(--muted)}

@media (max-width:900px){
  .freq{grid-template-columns:repeat(2,1fr)}
  .foot-meta{grid-template-columns:1fr}
}
@media (max-width:760px){
  .bars{width:100%;overflow-x:auto;flex-wrap:nowrap;padding-bottom:.2rem}
  .bar{flex:0 0 auto}
  .bar[data-h="1"]>summary,.bar[data-h="2"]>summary,.bar[data-h="3"]>summary,
  .bar[data-h="4"]>summary,.bar[data-h="5"]>summary{height:auto;min-width:150px}
  .bar-panel{
    position:static;box-shadow:none;border:none;background:transparent;
    min-width:210px;padding:.2rem 0 0;
  }
  .bar:not([open])>.bar-panel{display:block}
  .bar:not([open])::details-content{content-visibility:visible}
  .bar-axis{display:none}
}