/* ==========================================================================
   XRMN — xrmntoken.wiki
   Visual language: reference entry.
   Paper white, near-black text, single crimson accent, contents box.
   ========================================================================== */

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body,h1,h2,h3,h4,p,ul,ol,li,figure,blockquote,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
img,svg{display:block;max-width:100%}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
table{border-collapse:collapse;width:100%}

:root{
  --paper:#fdfdfb;
  --paper-2:#f5f5f1;
  --card:#ffffff;
  --ink:#1a1a1a;
  --ink-2:#333330;
  --body:#3d3d38;
  --muted:#6b6b63;
  --rule:#dcdcd4;
  --rule-2:#c6c6bc;
  --red:#c0282f;
  --red-d:#96201f;

  --f-display:'Libre Baskerville',Georgia,serif;
  --f-body:'Source Sans 3','Source Sans Pro',system-ui,sans-serif;

  --maxw:1080px;
  --gutter:clamp(20px,5vw,44px);
  --ease:cubic-bezier(.2,.72,.26,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
}

html{background:var(--paper)}
body{
  font-family:var(--f-body);
  font-size:clamp(16px,1.03vw,17.5px);
  line-height:1.78;
  color:var(--body);
  background:linear-gradient(180deg,#fefefc 0%,#fafaf7 60%,#fefefc 100%);
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.22;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='2' stitchTiles='stitch'/><feColorMatrix type='saturate' values='0'/></filter><rect width='160' height='160' filter='url(%23n)' opacity='.5'/></svg>");
}
.wrap{position:relative;z-index:2}
.shell{width:min(100% - 2*var(--gutter),var(--maxw));margin-inline:auto}

h1,h2,h3,h4{font-family:var(--f-display);color:var(--ink);font-weight:700;line-height:1.24;letter-spacing:-.005em}
h1{font-size:clamp(1.85rem,3.9vw,2.85rem);line-height:1.18}
h2{font-size:clamp(1.32rem,2.3vw,1.72rem);padding-bottom:.35em;border-bottom:1px solid var(--rule)}
h3{font-size:clamp(1.02rem,1.4vw,1.16rem)}
p{margin-block:0 1.15em}
strong{color:var(--ink);font-weight:600}
a{color:var(--red-d);text-decoration:none;border-bottom:1px solid rgba(192,40,47,.35)}
a:hover{color:var(--red);border-bottom-color:var(--red)}
em{font-style:italic}

.eyebrow{font-family:var(--f-body);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--muted);font-weight:600}
.hatnote{font-style:italic;color:var(--muted);font-size:.94rem;padding:10px 0 0}

.skip{position:absolute;left:12px;top:-64px;z-index:100;background:var(--red);color:#fff;
  padding:12px 18px;font-weight:600;transition:top .25s var(--ease)}
.skip:focus{top:12px}
:focus-visible{outline:2.5px solid var(--red);outline-offset:3px}

/* ---- header ------------------------------------------------------------ */
.hdr{background:rgba(253,253,251,.92);backdrop-filter:blur(10px);position:sticky;top:0;z-index:40;
  border-bottom:1px solid var(--rule-2)}
.hdr__in{display:flex;align-items:center;gap:clamp(12px,2.4vw,28px);min-height:60px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;border:0}
.brand:hover{border:0}
.brand b{font-family:var(--f-display);font-size:1.06rem;font-weight:700}
.brand b i{font-style:italic;color:var(--red)}
.brand small{display:block;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:1px}
.nav{margin-left:auto;display:flex;gap:clamp(11px,2vw,22px)}
.nav a{font-size:.83rem;color:var(--muted);text-decoration:none;border:0;padding:6px 0;white-space:nowrap;
  border-bottom:2px solid transparent;transition:color .25s var(--ease),border-color .25s var(--ease)}
.nav a:hover,.nav a.is-on{color:var(--ink);border-bottom-color:var(--red)}

/* ---- hero + infobox ---------------------------------------------------- */
.hero{padding:clamp(34px,5vw,64px) 0 clamp(20px,3vw,32px);border-bottom:1px solid var(--rule)}
.hero__grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(24px,4vw,48px);align-items:start}
.hero h1{margin:.35em 0 .5em;max-width:26ch}
.hero__lede{font-family:var(--f-display);font-size:clamp(1.02rem,1.5vw,1.2rem);line-height:1.7;color:var(--ink-2);max-width:52ch}

.infobox{border:1px solid var(--rule-2);background:var(--card);font-size:.85rem}
.infobox h2{font-family:var(--f-body);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);padding:11px 14px;border-bottom:1px solid var(--rule);margin:0;font-weight:600}
.infobox dl{padding:4px 14px 12px}
.infobox .row{display:grid;grid-template-columns:1fr;gap:2px;padding:9px 0;border-bottom:1px dashed var(--rule)}
.infobox .row:last-child{border-bottom:0}
.infobox dt{color:var(--muted);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase}
.infobox dd{color:var(--ink);font-weight:600}

/* ---- layout ------------------------------------------------------------ */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:clamp(24px,4vw,48px);
  padding:clamp(26px,4vw,48px) 0 clamp(46px,7vw,88px)}
article{min-width:0}

/* contents box */
.toc{border:1px solid var(--rule-2);background:var(--paper-2);padding:16px 20px;margin-bottom:2em}
.toc h2{font-family:var(--f-body);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);border:0;padding:0;margin-bottom:12px;font-weight:600}
.toc ol{counter-reset:t;display:grid;grid-template-columns:1fr 1fr;gap:6px 24px}
.toc li{counter-increment:t}
.toc a{display:grid;grid-template-columns:22px 1fr;gap:6px;border:0;color:var(--ink-2);font-size:.9rem;padding:3px 0}
.toc a::before{content:counter(t) ".";color:var(--red);font-variant-numeric:tabular-nums}
.toc a:hover{color:var(--red)}

.sect{padding-block:clamp(22px,3vw,36px);scroll-margin-top:80px}
.sect h2{margin-bottom:.7em}
.prose p{margin-bottom:1.15em}
.prose ul{margin:0 0 1.2em;display:flex;flex-direction:column;gap:.5em}
.prose li{padding-left:1.5em;position:relative}
.prose li::before{content:"\2022";position:absolute;left:.3em;color:var(--red)}

/* definition list */
.deflist{margin:1.5em 0;border-top:1px solid var(--rule)}
.deflist > div{display:grid;grid-template-columns:190px 1fr;gap:18px;padding:14px 0;border-bottom:1px solid var(--rule)}
.deflist dt{font-family:var(--f-display);font-weight:700;color:var(--ink);font-size:.98rem}
.deflist dd{font-size:.93rem;color:var(--body)}
.deflist dd p{margin:0}

/* question list */
.qs{margin:1.6em 0;display:flex;flex-direction:column;gap:12px}
.qs li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 18px;background:var(--paper-2);
  border-left:3px solid var(--red)}
.qs b{font-family:var(--f-display);color:var(--red);font-size:1.05rem;line-height:1;padding-top:.2em}
.qs p{margin:0;font-size:.95rem;color:var(--ink-2)}

/* cycle */
.cycle{margin:1.6em 0;border:1px solid var(--rule-2);background:var(--card)}
.cycle li{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:14px 16px;border-bottom:1px solid var(--rule);
  align-items:baseline}
.cycle li:last-child{border-bottom:0}
.cycle em{font-style:normal;font-family:var(--f-display);color:var(--red);font-weight:700}
.cycle b{color:var(--ink);font-weight:600}

.quote{margin:1.6em 0;padding:16px 0 16px 22px;border-left:3px solid var(--rule-2);
  font-family:var(--f-display);font-size:clamp(1.05rem,1.8vw,1.32rem);line-height:1.5;color:var(--ink)}

/* table */
.tbl-wrap{overflow-x:auto;margin:1.6em 0;border:1px solid var(--rule-2)}
table{font-size:.9rem;min-width:500px}
caption{caption-side:top;text-align:left;font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);padding:12px 14px;border-bottom:1px solid var(--rule);background:var(--paper-2)}
th,td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--rule);vertical-align:top}
thead th{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);background:var(--paper-2)}
tbody tr:last-child td{border-bottom:0}
td strong{color:var(--ink)}

figure.inline{margin:1.8em 0;border:1px solid var(--rule-2);background:var(--card)}
figure.inline img{width:100%;height:clamp(190px,29vw,330px);object-fit:cover}
figure.inline figcaption{padding:11px 14px;font-size:.84rem;color:var(--muted);border-top:1px solid var(--rule)}

/* faq */
.faq{margin-top:1.4em;border-top:1px solid var(--rule-2)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;padding:17px 38px 17px 0;position:relative;font-family:var(--f-display);
  font-weight:700;font-size:1.02rem;color:var(--ink);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:6px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--red);border-bottom:2px solid var(--red);
  transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease)}
.faq details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq summary:hover{color:var(--red)}
.faq .a{padding:0 0 18px;font-size:.94rem}
.faq .a p:last-child{margin-bottom:0}

/* sticky side */
.side{position:sticky;top:78px;align-self:start;display:flex;flex-direction:column;gap:16px}
.side .box{border:1px solid var(--rule-2);background:var(--card);padding:15px 16px}
.side h3{font-family:var(--f-body);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:10px;font-weight:600}
.side ul{display:flex;flex-direction:column;gap:9px}
.side li{font-size:.87rem;color:var(--ink-2);padding-left:1.1em;position:relative}
.side li::before{content:"";position:absolute;left:0;top:.58em;width:6px;height:6px;background:var(--red);
  border-radius:50%}
.side p{font-size:.87rem;color:var(--ink-2);margin:0}

.rv{opacity:0;transform:translateY(14px);transition:opacity .75s var(--ease-out),transform .75s var(--ease-out)}
.rv.in{opacity:1;transform:none}
.no-js .rv{opacity:1;transform:none}

/* ---- footer ------------------------------------------------------------ */
.ftr{border-top:2px solid var(--ink);padding:clamp(36px,5vw,58px) 0 28px;margin-top:16px}
.ftr__top{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:clamp(24px,5vw,52px);
  padding-bottom:26px;border-bottom:1px solid var(--rule)}
.ftr__brand b{font-family:var(--f-display);font-size:1.16rem;color:var(--ink);font-weight:700;
  display:flex;align-items:center;gap:10px}
.ftr__brand b i{font-style:italic;color:var(--red)}
.ftr__brand p{margin-top:12px;font-size:.86rem;color:var(--muted);max-width:42ch}
.linknet__label{font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-bottom:13px}
.linknet ul{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:8px 22px}
.linknet a{display:block;font-size:.85rem;color:var(--ink-2);border:0;padding:6px 0;
  border-bottom:1px solid transparent;transition:border-color .25s var(--ease)}
.linknet a:hover{color:var(--red);border-bottom-color:var(--rule-2)}
.linknet small{display:block;font-size:.73rem;color:var(--muted)}
.ftr__legal{padding-top:20px;display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:space-between;
  font-size:.78rem;color:var(--muted)}

/* ---- responsive -------------------------------------------------------- */
@media (max-width:940px){
  .hero__grid,.layout{grid-template-columns:1fr;gap:26px}
  .infobox{order:-1}
  .side{position:static;top:auto;flex-direction:row;flex-wrap:wrap}
  .side .box{flex:1 1 250px}
  .ftr__top{grid-template-columns:1fr;gap:26px}
}
@media (max-width:600px){
  .nav{display:none}
  .toc ol{grid-template-columns:1fr}
  .deflist > div{grid-template-columns:1fr;gap:5px}
  .ftr__legal{flex-direction:column;gap:9px}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .rv{opacity:1;transform:none}
}