:root{--navy-900:#0B1D33;--navy-700:#12304F;--navy-500:#1E4B73;--amber:#B8863B;--amber-light:#D9AE72;--amber-text:#9A6F2A;--teal:#4A6B6B;--ink-900:#111417;--ink-600:#4B5259;--ink-300:#9AA1A8;--paper-0:#FFFFFF;--paper-50:#F7F5F0;--line-100:#E3E0D8;--land:#DCE3D9;--green:#3D6B4F;--link:#1E4B73}
@media (prefers-color-scheme:dark){:root{--paper-0:#152741;--paper-50:#0B1D33;--line-100:#243A54;--ink-900:#E8E6E0;--ink-600:#A8ADB5;--land:#22384F;--amber-text:#D9AE72;--link:#6FA3D0}}
*{box-sizing:border-box}
body{margin:0;background:var(--paper-50);color:var(--ink-900);font-family:'Inter',-apple-system,'Segoe UI',sans-serif;line-height:1.6;padding-bottom:env(safe-area-inset-bottom,0px)}
a{color:inherit;text-decoration:none}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}.narrow{max-width:700px;margin:0 auto;padding:0 20px}
.top{position:sticky;top:0;z-index:20;background:var(--navy-900);color:#fff;padding-top:env(safe-area-inset-top,0px);border-bottom:1px solid #1b3350}
.banner{background:var(--amber);color:#1d1405;font-size:12.5px;text-align:center;padding:5px 12px;font-weight:500}
.nav-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px 18px;padding:12px 20px;max-width:1040px;margin:0 auto}
.brand{display:flex;align-items:center;gap:10px}.wordmark{font-family:'Source Serif 4',Georgia,serif;font-size:20px;font-weight:600;letter-spacing:.04em}
nav{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}nav a{opacity:.8;border-bottom:2px solid transparent}nav a:hover{opacity:1}nav a.on{opacity:1;border-color:var(--amber-light)}
.subbtn{border:1px solid var(--amber);color:var(--amber-light);padding:5px 14px;border-radius:4px;font-size:13px}
.tagline{padding:16px 0;border-bottom:1px solid var(--line-100)}.tl-main{font-family:'Source Serif 4',Georgia,serif;font-size:17px;font-weight:500}.tl-sub{font-size:13px;color:var(--ink-600)}
.eyebrow{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;color:var(--amber-text);letter-spacing:.06em;text-transform:uppercase}
h1{font-family:'Source Serif 4',Georgia,serif;font-weight:500;font-size:32px;line-height:1.25;margin:8px 0 10px}
.pagehead{padding:30px 0 10px}.pagehead p,.hero p{color:var(--ink-600);max-width:640px;margin:0}
.hero{padding:40px 0 30px;border-bottom:1px solid var(--line-100)}
.meta{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;color:var(--ink-600);margin-top:12px}
.sample{display:inline-block;font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;border:1px solid var(--line-100);color:var(--ink-600);border-radius:3px;padding:1px 7px;margin-left:8px;text-transform:none;letter-spacing:0}
.section{padding:32px 0;border-bottom:1px solid var(--line-100)}
.sh{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:16px}.sh h2{font-family:'Source Serif 4',Georgia,serif;font-size:20px;margin:0;font-weight:600}.sh a{font-size:13px;color:var(--link);font-family:'IBM Plex Mono',ui-monospace,monospace}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}@media(max-width:760px){.grid3{grid-template-columns:1fr}}
.card{border:1px solid var(--line-100);border-radius:4px;overflow:hidden;background:var(--paper-0);display:block}.card:hover{border-color:var(--amber)}
.thumb{background:var(--navy-700);color:#fff;padding:16px;height:112px;display:flex;flex-direction:column;justify-content:space-between}
.thumb .s{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;color:var(--amber-light);text-transform:uppercase;letter-spacing:.05em}.thumb .t{font-family:'Source Serif 4',Georgia,serif;font-size:16px;line-height:1.3}
.cbody{padding:12px 16px}.cbody p{margin:0 0 6px;font-size:13px;color:var(--ink-600)}.cbody .m{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;color:var(--ink-300)}
.sig{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--line-100)}.sig:first-child{border-top:none}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);margin-top:8px;flex:none}
.sig .tr{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;color:var(--ink-600);margin-bottom:4px;display:flex;flex-wrap:wrap;gap:4px 8px;align-items:center}
.sig p{margin:0;font-size:15px}.sig .rd{font-size:14px;color:var(--ink-600);margin-top:3px}
.fl{font-family:'Inter',sans-serif;font-size:11px;font-weight:600;padding:1px 7px;border-radius:3px}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin:14px 0 6px}
.chip{font-size:13px;padding:5px 12px;border-radius:14px;border:1px solid var(--line-100);background:var(--paper-0);color:var(--ink-600);cursor:pointer;font-family:inherit}.chip.on{background:var(--navy-700);color:#fff;border-color:var(--navy-700)}
.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:3px;margin-right:6px;background:rgba(74,107,107,.18);color:var(--teal)}.tag.j{background:rgba(30,75,115,.14);color:var(--link)}
.byline{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--ink-600);border-top:1px solid var(--line-100);padding-top:12px;margin-top:14px}
.ok{color:var(--green);font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px}
button.cite{border:1px solid var(--line-100);background:none;color:var(--ink-600);padding:4px 10px;border-radius:4px;font-size:12px;font-family:'IBM Plex Mono',ui-monospace,monospace;cursor:pointer}
.corr{background:rgba(184,134,59,.1);border:1px solid var(--amber);border-radius:4px;padding:9px 14px;font-size:13px;margin:18px 0}
figure{margin:24px 0}figcaption{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;color:var(--ink-600);margin-top:8px}
.body p{font-size:17px;margin:0 0 18px}.body h3{font-family:'Source Serif 4',Georgia,serif;font-size:20px;margin:28px 0 10px}
.locked{filter:blur(5px);user-select:none;pointer-events:none}.pw{margin-top:-60px;position:relative;padding:70px 20px 24px;text-align:center;background:linear-gradient(to bottom,transparent,var(--paper-50) 65%)}
.pw .b{max-width:420px;margin:0 auto;background:var(--paper-0);border:1px solid var(--line-100);border-radius:4px;padding:20px}.pw h4{font-family:'Source Serif 4',Georgia,serif;font-size:17px;margin:0 0 6px}.pw p{font-size:13px;color:var(--ink-600);margin:0 0 12px}
.btn{display:inline-block;background:var(--navy-700);color:#fff;padding:8px 16px;border-radius:4px;font-size:13px}
.src{border-top:1px solid var(--line-100);padding-top:16px;margin-top:10px}.src h3{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:12px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-600);margin:0 0 8px}.src ol{margin:0;padding-left:20px;font-size:14px;color:var(--ink-600)}
.maplay{border:1px solid var(--line-100);border-radius:4px;background:var(--paper-0);padding:14px}
.legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;color:var(--ink-600);margin-top:10px;padding-top:10px;border-top:1px solid var(--line-100)}.legend i{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media(max-width:760px){.two{grid-template-columns:1fr}}
.box{border:1px solid var(--line-100);border-radius:4px;background:var(--paper-0);padding:18px}.box h3{font-family:'Source Serif 4',Georgia,serif;font-size:18px;margin:0 0 8px}.box p,.box li{font-size:14px;color:var(--ink-600)}.box ul{padding-left:18px;margin:0}
.prose p{font-size:16px;color:var(--ink-600);max-width:660px}.prose h2{font-family:'Source Serif 4',Georgia,serif;font-size:22px;margin:30px 0 8px}
footer{background:var(--navy-900);color:var(--ink-300);padding:30px 0;font-size:13px;margin-top:20px}footer .d{max-width:680px;margin-bottom:14px}footer .c{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}footer a{opacity:.85}

.netwrap{border:1px solid var(--line-100);border-radius:4px;background:var(--paper-0);padding:14px;overflow-x:auto}
svg.net{min-width:720px;width:100%;height:auto}
svg.net .e{fill:none}svg.net .e-supply{stroke:var(--ink-300);stroke-width:1.3}svg.net .e-choke{stroke:#B8863B;stroke-width:2.4}
svg.net .e-capital{stroke:#B8863B;stroke-width:1.3;stroke-dasharray:5 3}svg.net .e-niche{stroke:var(--teal);stroke-width:1.2;stroke-dasharray:1 4}
svg.net.hide-supply .e-supply,svg.net.hide-supply .e-choke,svg.net.hide-capital .e-capital,svg.net.hide-niche .e-niche{display:none}
svg.net text{font-family:'Inter',sans-serif;font-size:12px;font-weight:500}
.netlegend{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--ink-600);margin-top:10px;padding-top:10px;border-top:1px solid var(--line-100)}
.netlegend span{display:inline-flex;align-items:center;gap:6px}.netlegend b{display:inline-block;width:22px;border-top:2px solid var(--ink-300)}
.netlegend b.cap{border-top:2px dashed #B8863B}.netlegend b.nic{border-top:2px dotted var(--teal)}.netlegend b.chk{border-top:3px solid #B8863B}
.note{font-size:13px;color:var(--ink-600);margin:10px 0 0}
.qcard{display:block;border:1px solid var(--line-100);border-radius:4px;background:var(--paper-0);padding:16px}.qcard:hover{border-color:var(--amber)}
.qcard h3{font-family:'Source Serif 4',Georgia,serif;font-size:17px;margin:0 0 6px}.qcard p{margin:0;font-size:13px;color:var(--ink-600)}
.qcard .k{font-family:'IBM Plex Mono',ui-monospace,monospace;font-size:11px;color:var(--amber-text);text-transform:uppercase;letter-spacing:.05em}