@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600&family=Public+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --paper:#FAF9F6;
  --paper-dim:#F2F0EA;
  --ink:#16201C;
  --ink-soft:#454F4A;
  --navy:#1B2A3D;
  --navy-deep:#101B29;
  --brass:#9C7A3C;
  --brass-soft:#C7A96A;
  --line:#D9D6CD;
  --zone-spectator:#8B6A4E;
  --zone-participant:#5C6B70;
  --zone-practitioner:#24435C;
  --max:840px;
  --max-wide:1080px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important; transition:none !important; scroll-behavior:auto !important;}
}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Public Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size:17px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3{
  font-family:'Fraunces', serif;
  font-weight:500;
  color:var(--navy-deep);
  margin:0;
  letter-spacing:-0.01em;
}

a{color:var(--navy-deep);}
a:focus-visible, button:focus-visible{outline:2px solid var(--brass); outline-offset:3px;}

.wrap{max-width:var(--max); margin:0 auto; padding:0 24px;}
.wrap-wide{max-width:var(--max-wide); margin:0 auto; padding:0 24px;}

header.site{
  position:sticky; top:0; z-index:20;
  background:rgba(250,249,246,0.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--max-wide); margin:0 auto; padding:16px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:20px;
}
.wordmark{
  font-family:'Fraunces', serif; font-weight:600; font-size:19px;
  color:var(--navy-deep); text-decoration:none; letter-spacing:-0.01em;
}
.wordmark span{color:var(--brass);}
.navlinks{display:flex; gap:26px; list-style:none; margin:0; padding:0; flex-wrap:wrap;}
.navlinks a{
  text-decoration:none; color:var(--ink-soft); font-size:14px; font-weight:500;
  letter-spacing:0.01em;
}
.navlinks a:hover{color:var(--navy-deep);}
@media (max-width:760px){.navlinks{display:none;}}

.hero{padding:84px 0 56px;}
.eyebrow{
  font-family:'IBM Plex Mono', monospace;
  font-size:12.5px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--brass); margin-bottom:18px; display:block;
}
.hero h1{
  font-size:clamp(30px, 4.6vw, 46px);
  line-height:1.14;
  max-width:760px;
}
.hero .lede{
  margin-top:22px; max-width:600px; color:var(--ink-soft); font-size:18px;
}

.diagnostic{margin-top:52px; padding:26px 0 8px; border-top:1px solid var(--line);}
.diagnostic-heading{
  font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft);
  letter-spacing:0.02em; margin-bottom:14px;
}
.zone-bar{
  display:flex; border-radius:3px; overflow:hidden; border:1px solid var(--line); height:96px;
  position:relative;
}
.zone{
  flex:1; position:relative; display:flex; flex-direction:column; justify-content:flex-end;
  padding:10px 12px; color:var(--paper);
}
.zone.spectator{background:var(--zone-spectator);}
.zone.participant{background:var(--zone-participant);}
.zone.practitioner{background:var(--zone-practitioner);}
.zone-name{font-family:'Fraunces', serif; font-size:15px; font-weight:500;}
.zone-driver{
  font-family:'IBM Plex Mono', monospace; font-size:10.5px; opacity:0.85;
  text-transform:uppercase; letter-spacing:0.04em; margin-top:2px;
}
.pin{
  position:absolute; top:8px; width:9px; height:9px; border-radius:50%;
  background:var(--paper); border:1.5px solid var(--ink);
  opacity:0.25; transition:opacity 0.35s ease, transform 0.35s ease;
  transform:scale(0.9);
}
.pin.active{opacity:1; transform:scale(1.15);}
.pin::after{
  content:attr(data-label);
  position:absolute; top:14px; left:50%; transform:translateX(-50%);
  font-family:'IBM Plex Mono', monospace; font-size:10px; white-space:nowrap;
  color:var(--ink); background:var(--paper); padding:1px 6px; border:1px solid var(--line);
  border-radius:2px; opacity:0; pointer-events:none; transition:opacity 0.3s ease;
}
.pin.active::after{opacity:1;}
.diagnostic-controls{display:flex; gap:8px; margin-top:18px; flex-wrap:wrap;}
.diagnostic-controls button{
  font-family:'IBM Plex Mono', monospace; font-size:11.5px;
  background:none; border:1px solid var(--line); color:var(--ink-soft);
  padding:6px 12px; border-radius:20px; cursor:pointer; letter-spacing:0.01em;
}
.diagnostic-controls button:hover, .diagnostic-controls button.active{
  border-color:var(--navy-deep); color:var(--navy-deep); background:var(--paper-dim);
}
.diagnostic-caption{
  margin-top:16px; font-size:13.5px; color:var(--ink-soft); font-style:italic;
  min-height:38px;
}
.diagnostic-note{
  margin-top:6px; font-size:13.5px; color:var(--ink-soft);
}

section{padding:60px 0;}
section.divider{border-top:1px solid var(--line);}
.section-tag{
  font-family:'IBM Plex Mono', monospace; font-size:12px; letter-spacing:0.08em;
  text-transform:uppercase; color:var(--brass); display:block; margin-bottom:14px;
}
h2{font-size:27px; line-height:1.25; max-width:600px;}
.section-body{margin-top:20px; color:var(--ink-soft); max-width:640px;}
.section-body p{margin:0 0 16px;}
.section-body p:last-child{margin-bottom:0;}

blockquote{
  margin:26px 0 0; padding-left:20px; border-left:2px solid var(--brass);
  font-family:'Fraunces', serif; font-style:italic; font-size:18px; color:var(--navy-deep);
  max-width:560px; line-height:1.5;
}
blockquote cite{
  display:block; font-family:'IBM Plex Mono', monospace; font-style:normal;
  font-size:12px; color:var(--ink-soft); margin-top:10px; letter-spacing:0.01em;
}

.chain{
  margin-top:30px; display:flex; align-items:center; gap:0; flex-wrap:wrap;
}
.chain-node{
  font-family:'IBM Plex Mono', monospace; font-size:11.5px; text-align:center;
  border:1px solid var(--line); background:var(--paper-dim); padding:10px 14px;
  border-radius:2px; color:var(--navy-deep); min-width:88px;
}
.chain-arrow{
  color:var(--brass); font-size:16px; padding:0 6px; flex-shrink:0;
}
@media (max-width:640px){.chain{flex-direction:column; align-items:flex-start;} .chain-arrow{transform:rotate(90deg); padding:4px 0;}}

.subtype-grid{margin-top:28px; display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line);}
.subtype-card{background:var(--paper); padding:26px;}
.subtype-card .tag{font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:0.04em; text-transform:uppercase; color:var(--brass);}
.subtype-card h3{font-size:19px; margin-top:8px;}
.subtype-card p{color:var(--ink-soft); font-size:14.5px; margin:10px 0 0; line-height:1.55;}
@media (max-width:640px){.subtype-grid{grid-template-columns:1fr;}}

.infra-grid{margin-top:28px; display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); border:1px solid var(--line);}
.infra-card{background:var(--paper); padding:28px;}
.infra-card .tag{font-family:'IBM Plex Mono', monospace; font-size:11px; letter-spacing:0.04em; text-transform:uppercase; color:var(--brass);}
.infra-card h3{font-size:20px; margin-top:8px;}
.infra-card p{color:var(--ink-soft); font-size:15px; margin:10px 0 0; line-height:1.55;}
.status-dot{display:inline-flex; align-items:center; gap:6px; font-family:'IBM Plex Mono', monospace; font-size:11px; color:var(--navy-deep); margin-top:14px;}
.status-dot::before{content:''; width:6px; height:6px; border-radius:50%; background:var(--navy);}
@media (max-width:640px){.infra-grid{grid-template-columns:1fr;}}

.paper-card{margin-top:28px; border:1px solid var(--line); background:var(--paper-dim); padding:32px; display:flex; gap:24px; align-items:flex-start; flex-wrap:wrap;}
.paper-icon{width:52px; height:68px; flex-shrink:0; border:1.5px solid var(--navy-deep); position:relative; background:var(--paper);}
.paper-icon::before{content:''; position:absolute; top:10px; left:8px; right:8px; height:1.5px; background:var(--line); box-shadow:0 8px 0 var(--line), 0 16px 0 var(--line), 0 24px 0 var(--line);}
.paper-meta{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft); margin-top:10px;}
.btn{display:inline-block; margin-top:16px; font-family:'IBM Plex Mono', monospace; font-size:13px; text-decoration:none; color:var(--paper); background:var(--navy-deep); padding:10px 18px; border-radius:2px; letter-spacing:0.02em;}
.btn:hover{background:var(--navy);}

.roundtable{background:var(--navy-deep); color:var(--paper); padding:60px 0;}
.roundtable h2{color:var(--paper);}
.roundtable .section-tag{color:var(--brass-soft);}
.roundtable .section-body{color:#C9D3CD;}
.roundtable .btn{background:var(--brass); color:var(--navy-deep);}
.roundtable .btn:hover{background:var(--brass-soft);}

.about-row{display:flex; gap:32px; align-items:flex-start; flex-wrap:wrap; margin-top:24px;}
.about-row .credentials{flex:1; min-width:260px;}
.credentials ul{margin:0; padding-left:18px; color:var(--ink-soft); font-size:15px;}
.credentials li{margin-bottom:8px;}

footer{border-top:1px solid var(--line); padding:40px 0; background:var(--paper-dim);}
.footer-row{display:flex; justify-content:space-between; align-items:flex-start; flex-wrap:wrap; gap:20px;}
.footer-brand{font-family:'Fraunces', serif; font-size:16px; color:var(--navy-deep);}
.footer-meta{font-family:'IBM Plex Mono', monospace; font-size:12px; color:var(--ink-soft); line-height:1.8;}
.footer-links{display:flex; gap:20px; list-style:none; padding:0; margin:0; flex-wrap:wrap;}
.footer-links a{font-size:13.5px; color:var(--ink-soft); text-decoration:none;}
.footer-links a:hover{color:var(--navy-deep);}

.reveal{opacity:0; transform:translateY(14px); transition:opacity 0.6s ease, transform 0.6s ease;}
.reveal.in{opacity:1; transform:translateY(0);}

.term-list, .compare-list, .position-list, .journal-list, .entity-list{
  list-style:none; padding:0; margin:28px 0 0;
}
.term-list li, .compare-list li, .position-list li, .journal-list li, .entity-list li{
  border-bottom:1px dashed var(--line); padding:16px 0;
}
.term-list a, .compare-list a, .position-list a, .journal-list a, .entity-list a{
  font-family:'Fraunces', serif; font-size:18px; text-decoration:none;
}
.term-list a:hover, .compare-list a:hover, .position-list a:hover, .journal-list a:hover, .entity-list a:hover{
  text-decoration:underline;
}
.meta{
  font-family:'IBM Plex Mono', monospace; font-size:11.5px; color:var(--ink-soft); margin-top:6px;
}

.compare-table{
  width:100%; border-collapse:collapse; margin-top:24px; font-size:14.5px;
}
.compare-table th, .compare-table td{
  border:1px solid var(--line); padding:12px 14px; text-align:left; vertical-align:top;
}
.compare-table th{
  background:var(--paper-dim); font-family:'IBM Plex Mono', monospace; font-size:11px; text-transform:uppercase; letter-spacing:0.04em; color:var(--ink-soft);
}
.compare-table td:first-child{font-weight:600;}

.open-questions{
  margin-top:32px; padding:22px; background:var(--paper-dim); border-left:3px solid var(--brass);
}
.open-questions h3{font-size:19px; margin-bottom:10px;}
.open-questions ul{margin:0; padding-left:18px; color:var(--ink-soft);}
.open-questions li{margin-bottom:8px;}

.sources{font-family:'IBM Plex Mono', monospace; font-size:12px; margin-top:24px;}
.sources a{word-break:break-all;}

.plain-list{
  list-style:none; padding:0; margin:0;
}
.plain-list li{padding:6px 0;}