/* 2026 midnight ledger: navy folder, gold rule, CSV grid */
:root{
  --navy:#152238;
  --gold:#c9a227;
  --paper:#f6f1e4;
  --ink:#1a1c16;
  --mute:#6b6456;
  --sans:"Noto Sans SC","PingFang SC",sans-serif;
  --display:"Fraunces","Songti SC",serif;
  --mono:"IBM Plex Mono",ui-monospace,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
section[id]{scroll-margin-top:68px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);line-height:1.7}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
code{font-family:var(--mono);color:#3a4d2c}
.sk{position:absolute;left:-999px}
.sk:focus{left:8px;top:8px;background:var(--gold);padding:8px;z-index:40}
.topgold{position:sticky;top:0;z-index:30;display:flex;justify-content:space-between;align-items:center;padding:10px 20px;background:var(--navy);color:var(--gold);border-bottom:3px solid var(--gold)}
.brand small{display:block;font-family:var(--mono);font-size:11px;font-weight:400;color:#d7c99a}
#nav{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center}
#nav a{font-size:13px;color:#d7c99a}
#nav a.on{color:#fff}
.go{background:var(--gold)!important;color:var(--navy)!important;padding:6px 12px;font-weight:700}
.fold{display:none;background:transparent;color:var(--gold);border:1px solid var(--gold);padding:6px 10px}
.hero{position:relative}
.hero>img{width:100%;height:min(52vh,480px);object-fit:cover}
.wiz{display:flex;gap:0;margin:0;padding:0;list-style:none;background:var(--navy);color:#d7c99a}
.wiz li{flex:1;text-align:center;padding:10px 6px;font-family:var(--mono);font-size:12px;border-right:1px solid #2a3c58}
.wiz li.on{background:var(--gold);color:var(--navy);font-weight:700}
.sheet{width:min(860px,calc(100% - 32px));margin:24px auto 0;background:#fff;padding:28px;border:1px solid #e4dcc8;box-shadow:0 1px 0 #e4dcc8}
.lab{font-family:var(--mono);font-size:12px;letter-spacing:.14em;color:#6a5420;margin:0 0 8px}
h1,h2,h3{margin:0 0 10px;line-height:1.2;font-family:var(--display)}
h1{font-size:clamp(1.7rem,4vw,2.7rem)}
.map{margin:16px 0;padding:12px;background:#f3eee0;border-top:2px solid var(--gold)}
.map strong{display:block;margin:4px 0}
.map p{margin:0;color:var(--mute);font-size:14px}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.btn{display:inline-flex;align-items:center;padding:9px 14px;background:var(--navy);color:var(--gold);border:0;font-weight:700;font-size:14px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--navy);font-weight:400}
.w{width:min(1040px,calc(100% - 32px));margin:0 auto;padding:64px 0}
.navy{background:#e8e0cc}
.trio,.duo,.ladder{display:grid;gap:14px;margin-top:16px}
.trio{grid-template-columns:repeat(3,1fr)}
.duo{grid-template-columns:1fr 1fr}
.ladder{grid-template-columns:1fr 1fr}
.trio article,.duo article,.ladder article{background:#fff;padding:16px;border-bottom:3px solid var(--navy)}
.warn{border-bottom-color:var(--gold)!important}
ul{margin:0;padding-left:1.1em}
figure{margin:28px 0 0}
figcaption{font-size:13px;color:var(--mute);margin-top:8px}
footer{background:var(--navy);color:var(--gold)}
.end{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:22px 0}
@media(max-width:860px){
  .fold{display:block}
  #nav{display:none;position:absolute;top:52px;left:10px;right:10px;flex-direction:column;background:var(--navy);padding:10px}
  #nav.open{display:flex}
  .trio,.duo,.ladder,.wiz{grid-template-columns:1fr;flex-direction:column}
  .wiz{flex-direction:column}
  .end{flex-direction:column;align-items:flex-start}
}