:root{
  color-scheme:dark;
  --bg:#071018;
  --surface:#0c1722;
  --surface-2:#111f2d;
  --line:#24384a;
  --line-soft:#193044;
  --text:#f4f7fb;
  --muted:#9eb0c2;
  --soft:#c9d4de;
  --amber:#f4c95d;
  --cyan:#65d7e6;
  --green:#6ee7b7;
  --violet:#b6a7ff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.5}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(101,215,230,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(101,215,230,.035) 1px,transparent 1px);background-size:36px 36px;mask-image:linear-gradient(to bottom,black,transparent 80%)}
a{color:inherit}.shell{width:min(var(--max),calc(100% - 40px));margin:auto}.topbar{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(36,56,74,.85);background:rgba(7,16,24,.88);backdrop-filter:blur(18px)}
.topbar-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:22px}.brand{display:flex;align-items:center;gap:11px;text-decoration:none;font-weight:850;letter-spacing:.06em}.brand-mark{width:28px;height:28px;border:1px solid #496679;border-radius:8px;display:grid;place-items:center;font-size:11px;color:var(--amber);background:linear-gradient(145deg,#112331,#09151f)}.nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.nav a{padding:8px 10px;border-radius:9px;color:var(--muted);font-size:13px;text-decoration:none}.nav a:hover,.nav a.active{background:#11202d;color:#fff}.nav .github{border:1px solid var(--line);color:#e7edf4}
.hero{padding:96px 0 72px;display:grid;grid-template-columns:minmax(0,1.18fr) minmax(340px,.82fr);gap:64px;align-items:center}.eyebrow,.kicker{font-size:11px;font-weight:850;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan)}.hero h1{font-size:clamp(52px,7vw,92px);line-height:.93;letter-spacing:-.055em;margin:14px 0 22px}.lede{max-width:760px;font-size:clamp(19px,2vw,25px);line-height:1.35;color:#dce6ee;margin:0}.hero-copy{margin-top:24px;max-width:720px;font-size:15px;color:var(--muted)}.cta-row{display:flex;gap:11px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:11px 14px;border-radius:10px;text-decoration:none;font-size:13px;font-weight:780;border:1px solid var(--line)}.btn.primary{background:var(--text);color:#071018;border-color:var(--text)}.btn.secondary{background:#0d1a26;color:#e7eef5}.hero-panel{border:1px solid var(--line);border-radius:24px;padding:22px;background:linear-gradient(160deg,rgba(17,31,45,.96),rgba(8,20,29,.96));box-shadow:0 28px 80px rgba(0,0,0,.25)}.status-grid{display:grid;gap:10px}.status-card{border:1px solid var(--line-soft);border-radius:14px;padding:14px 15px;background:#0a1621}.status-label{font-size:9px;font-weight:900;letter-spacing:.12em;text-transform:uppercase;margin-bottom:5px}.status-label.now{color:var(--green)}.status-label.oss{color:var(--amber)}.status-label.target{color:var(--violet)}.status-card b{display:block;font-size:15px;margin-bottom:3px}.status-card p{margin:0;font-size:12px;color:var(--muted)}
.section{padding:72px 0;border-top:1px solid rgba(36,56,74,.55)}.section-head{max-width:780px;margin-bottom:34px}.section h2{font-size:clamp(32px,4vw,54px);line-height:1.03;letter-spacing:-.04em;margin:8px 0 13px}.section-head p{margin:0;color:var(--muted);font-size:16px}.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.card{min-height:230px;padding:20px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#0e1c29,#09151f);display:flex;flex-direction:column}.card .num{font-size:10px;color:#6f879a;font-weight:800}.card h3{font-size:20px;margin:26px 0 10px}.card p{font-size:13px;color:var(--muted);margin:0}.card a{margin-top:auto;padding-top:24px;text-decoration:none;font-size:12px;font-weight:820;color:var(--cyan)}.problem-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.quote-box{border:1px solid var(--line);border-radius:20px;padding:26px;background:#0a1621}.quote-box strong{font-size:25px;line-height:1.18;letter-spacing:-.025em;display:block}.quote-box p{color:var(--muted);font-size:13px;margin:16px 0 0}.principles{display:grid;gap:12px}.principle{padding:16px 18px;border-left:2px solid var(--cyan);background:#0a1621}.principle b{display:block;margin-bottom:4px}.principle span{font-size:13px;color:var(--muted)}
.flow{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;align-items:stretch}.flow-step{position:relative;padding:16px 14px;border:1px solid var(--line);border-radius:14px;background:#0b1824}.flow-step:not(:last-child):after{content:"→";position:absolute;right:-11px;top:50%;transform:translateY(-50%);color:#7890a2;background:var(--bg);padding:2px}.flow-step b{display:block;font-size:12px;margin-bottom:5px}.flow-step span{font-size:10px;color:var(--muted)}
.proof-row{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}.proof{border:1px solid var(--line);border-radius:18px;padding:22px;background:#0b1824}.proof h3{margin:0 0 9px;font-size:20px}.proof p{margin:0;color:var(--muted);font-size:13px}.proof .meta{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}.pill{border:1px solid var(--line);border-radius:999px;padding:5px 8px;font-size:10px;color:#bdcbd7}.callout{border:1px solid #514924;border-radius:18px;padding:22px;background:linear-gradient(145deg,#211d0d,#11180f)}.callout .kicker{color:var(--amber)}.callout h3{font-size:23px;margin:8px 0}.callout p{font-size:13px;color:#cfcaa9}.callout a{color:#fff;text-decoration:none;font-size:12px;font-weight:850}
.page-hero{padding:78px 0 54px;max-width:900px}.page-hero h1{font-size:clamp(48px,6vw,78px);line-height:.96;letter-spacing:-.05em;margin:12px 0 20px}.page-hero p{font-size:19px;color:#cbd7e1;max-width:780px}.label-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:24px}.label{font-size:10px;font-weight:850;letter-spacing:.08em;text-transform:uppercase;padding:6px 8px;border-radius:8px;border:1px solid var(--line)}.label.target{color:var(--violet)}.label.now{color:var(--green)}.label.oss{color:var(--amber)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}.feature-list{display:grid;gap:11px}.feature{padding:18px;border:1px solid var(--line);border-radius:15px;background:#0a1621}.feature b{display:block;margin-bottom:5px}.feature span{font-size:13px;color:var(--muted)}.codeflow{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;line-height:1.65;white-space:pre-wrap;color:#d7e4ed;border:1px solid var(--line);border-radius:16px;padding:20px;background:#061019;overflow:auto}.disclosure-table{width:100%;border-collapse:collapse;font-size:13px}.disclosure-table th,.disclosure-table td{text-align:left;padding:13px 12px;border-bottom:1px solid var(--line);vertical-align:top}.disclosure-table th{font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#7890a2}.tag{white-space:nowrap;font-size:9px;font-weight:900;letter-spacing:.08em;border-radius:999px;padding:5px 8px;border:1px solid var(--line)}.tag.keep{color:var(--green)}.tag.simplify{color:var(--cyan)}.tag.restricted{color:#f0a8a8}.tag.stale{color:var(--amber)}
.footer{border-top:1px solid var(--line);padding:30px 0 42px;color:#7890a2;font-size:11px}.footer-inner{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}.footer a{text-decoration:none;color:#9fb0c2}
@media(max-width:900px){.hero{grid-template-columns:1fr;gap:34px;padding-top:64px}.cards{grid-template-columns:1fr}.problem-grid,.proof-row,.two-col{grid-template-columns:1fr}.flow{grid-template-columns:1fr 1fr}.flow-step:not(:last-child):after{display:none}.topbar-inner{height:auto;min-height:64px;padding:11px 0;align-items:flex-start;flex-direction:column}.nav{width:100%}.section{padding:52px 0}.shell{width:min(var(--max),calc(100% - 28px))}}
@media(max-width:560px){.flow{grid-template-columns:1fr}.hero h1{font-size:52px}.nav a{font-size:12px;padding:6px 7px}}


/* Atlas authority-boundary fascicles */
.series-index{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.series-card{min-height:235px;padding:20px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#0e1c29,#09151f);display:flex;flex-direction:column}
.series-card .num{font-size:9px;letter-spacing:.09em;color:var(--cyan);font-weight:850}
.series-card h3{font-size:20px;line-height:1.12;margin:22px 0 10px}
.series-card p{font-size:13px;color:var(--muted);margin:0}
.series-card a{margin-top:auto;padding-top:24px;text-decoration:none;font-size:12px;font-weight:820;color:var(--cyan)}
.series-takeaway{margin-top:16px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:#08141e;display:grid;gap:4px;font:700 10px/1.45 ui-monospace,SFMono-Regular,Menlo,monospace;color:#bdcbd7;letter-spacing:.035em}
.fascicle-page{overflow:hidden}
.fascicle-hero{padding:46px 0 42px;max-width:1060px}
.fascicle-breadcrumb{display:flex;gap:7px;align-items:center;flex-wrap:wrap;margin-bottom:18px;font-size:10px;text-transform:uppercase;letter-spacing:.09em;color:#7890a2}
.fascicle-breadcrumb a{text-decoration:none;color:#a9bac7}
.fascicle-hero h1{font-size:clamp(48px,6.5vw,82px);line-height:.94;letter-spacing:-.052em;margin:10px 0 17px;max-width:940px}
.fascicle-deck{font-size:clamp(18px,2vw,24px);line-height:1.38;color:#d5e0e8;max-width:850px;margin:0}
.concept-equation{margin-top:28px;padding:18px 20px;border:1px solid var(--line);border-radius:16px;background:#08141e;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:18px;font:800 clamp(15px,2vw,22px)/1.25 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:-.02em}
.concept-equation strong{color:var(--amber);font-size:1.15em;white-space:nowrap}
.concept-equation span:last-child{text-align:right;color:#d8e2ea}
.concept-equation-stack{grid-template-columns:1fr;gap:7px;text-align:left}.concept-equation-stack strong{line-height:.8}.concept-equation-stack span:last-child{text-align:left}
.concept-equation.compact{margin:16px 0;font-size:13px;padding:13px 14px}
.concept-stack{display:grid;gap:7px;margin:18px 0}.concept-stack.two{grid-template-columns:1fr 1fr}.concept-stack code{display:block;padding:10px 12px;border-left:2px solid var(--cyan);background:#08141e;color:#dce6ee;font-size:11px;white-space:normal}.hero-stack{margin-top:28px}.hero-stack code{font-size:12px;padding:12px 14px}
.authority-diagram{margin-top:22px;padding:18px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,#0b1824,#07131c)}
.diagram-linear{display:grid;grid-template-columns:1fr minmax(100px,.32fr) 1fr;gap:12px;align-items:center}
.authority-node{border:1px solid var(--line);border-radius:14px;padding:14px;background:#0b1722;min-width:0}.authority-node span{display:block;font-size:9px;font-weight:900;letter-spacing:.11em;text-transform:uppercase;margin-bottom:5px}.authority-node b{display:block;font-size:15px;line-height:1.2}.authority-node small{display:block;margin-top:5px;font-size:10px;color:#a9bac7}.authority-node.claim{border-color:#66579d;background:#18162a}.authority-node.claim span{color:var(--violet)}.authority-node.evidence{border-color:#1e7183;background:#09212a}.authority-node.evidence span{color:var(--cyan)}.authority-node.authority{border-color:#198b80;background:#09221f}.authority-node.authority span{color:var(--brand-teal,#2ab5a7)}.authority-node.acceptance{border-color:#6d5c22;background:#211d0d}.authority-node.acceptance span{color:var(--amber)}.authority-node.wide{max-width:680px;width:100%;margin:auto;text-align:center}
.authority-edge{display:grid;place-items:center;gap:4px;text-align:center;color:#8094a6}.authority-edge span{font-size:9px}.authority-edge b{font-size:24px;font-weight:500;color:#92a6b7}.authority-edge.vertical{margin:6px auto}.authority-edge.separate{opacity:.86}
.authority-inputs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.authority-inputs.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.acceptance-aside{margin:18px auto 0;padding-top:14px;border-top:1px dashed #5e562d;max-width:680px}.acceptance-aside>span{display:block;margin-bottom:7px;font-size:9px;text-transform:uppercase;letter-spacing:.1em;color:#aa9d65;text-align:center}
.fascicle-takeaway{margin:18px 0 0;padding-left:15px;border-left:3px solid var(--brand-teal,#159a8c);font-size:15px;font-weight:760;color:#dce6ee}
.fascicle-copy{max-width:880px}.fascicle-copy>p{color:#bac8d3;font-size:15px;line-height:1.72}.fascicle-copy h3{font-size:22px;letter-spacing:-.02em;margin:36px 0 10px}.fascicle-list{color:#c9d5df;padding-left:22px}.fascicle-list li{margin:7px 0}.misconception{margin:34px 0;padding:19px;border:1px solid var(--line);border-radius:16px;background:#0a1621}.misconception h3{margin:6px 0 8px}.misconception p{margin:0;color:var(--muted)}
.technical-expander{border:1px solid var(--line);border-radius:16px;background:#08141e;overflow:hidden}.technical-expander summary{cursor:pointer;padding:15px 17px;font-size:13px;font-weight:820;color:#dce6ee;list-style-position:inside}.technical-expander[open] summary{border-bottom:1px solid var(--line)}.technical-body{padding:16px 18px;color:#aebdca;font-size:13px;line-height:1.65}.technical-body p:first-child{margin-top:0}.technical-body blockquote{margin:16px 0;padding:12px 14px;border-left:2px solid var(--cyan);background:#0a1722;color:#d9e4eb}
.fascicle-nav{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-top:18px}.fascicle-nav a{padding:9px 11px;border:1px solid var(--line);border-radius:9px;text-decoration:none;font-size:11px;color:#d8e3eb;background:#0a1621}.fascicle-nav.three{display:grid;grid-template-columns:1fr auto 1fr}.fascicle-nav.three a:last-child{text-align:right}
.evidence-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0}.mini-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:18px 0;padding:13px;border:1px solid var(--line);border-radius:14px;background:#08141e}.mini-flow span{font-size:10px;color:#c7d4de}.mini-flow b{color:#7c92a5}
@media(max-width:900px){.series-index{grid-template-columns:1fr}.fascicle-hero{padding-top:34px}.authority-inputs.four{grid-template-columns:1fr 1fr}.concept-stack.two{grid-template-columns:1fr}.fascicle-nav.three{grid-template-columns:1fr}.fascicle-nav.three a:last-child{text-align:left}}
@media(max-width:640px){.diagram-linear{grid-template-columns:1fr}.authority-edge{display:flex;justify-content:center}.authority-edge b{transform:rotate(90deg)}.authority-inputs,.authority-inputs.four{grid-template-columns:1fr}.concept-equation{grid-template-columns:1fr;gap:7px}.concept-equation strong{line-height:.8}.concept-equation span:last-child{text-align:left}.evidence-grid{grid-template-columns:1fr}.fascicle-hero h1{font-size:47px}}