:root{
  --paper:#f4f1e8;
  --paper-deep:#e9e3d4;
  --ink:#172024;
  --muted:#596469;
  --line:#c8c1b2;
  --teal:#0b625b;
  --teal-dark:#074943;
  --orange:#d95d28;
  --blue:#214b70;
  --cream:#fffdf7;
  --shadow:0 18px 50px rgba(23,32,36,.09);
  --radius:18px;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:var(--ink);
  background:var(--paper);
  font-synthesis:none
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);line-height:1.6}
a{color:var(--teal-dark);text-underline-offset:.2em;text-decoration-thickness:.08em}
a:hover{text-decoration-thickness:.14em}
a:focus-visible,button:focus-visible,[tabindex]:focus-visible{outline:3px solid var(--orange);outline-offset:4px;border-radius:3px}
.skip-link{position:absolute;left:1rem;top:-8rem;z-index:20;background:var(--ink);color:white;padding:.75rem 1rem}
.skip-link:focus{top:1rem}
.independence-bar{background:var(--ink);color:#fff;font-size:.78rem;letter-spacing:.035em;padding:.45rem clamp(1rem,4vw,4rem);text-align:center}
.site-header{max-width:1240px;margin:0 auto;padding:1.2rem clamp(1rem,4vw,3rem);display:flex;align-items:center;justify-content:space-between;gap:2rem;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:.8rem;color:var(--ink);text-decoration:none;line-height:1.1}
.brand-signal{display:grid;place-items:center;width:2.65rem;height:2.65rem;border-radius:50%;background:var(--teal);color:#fff;font-size:.72rem;font-weight:900;letter-spacing:.08em}
.brand strong{display:block;font-size:1rem}
.brand small{display:block;color:var(--muted);font-size:.72rem;margin-top:.2rem}
nav{display:flex;gap:clamp(.8rem,2.2vw,1.8rem);align-items:center}
nav a{color:var(--ink);font-size:.84rem;font-weight:750;text-decoration:none;padding:.25rem 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current="page"]{border-bottom-color:var(--orange)}
main{max-width:1240px;margin:0 auto;padding:0 clamp(1rem,4vw,3rem) 6rem}
.hero{padding:clamp(5rem,10vw,9rem) 0 clamp(4rem,8vw,7rem);max-width:990px;position:relative}
.hero:after{content:"";position:absolute;right:-8vw;top:4rem;width:clamp(10rem,25vw,22rem);height:clamp(10rem,25vw,22rem);border:1px solid var(--line);border-radius:50%;box-shadow:inset 0 0 0 2.6rem var(--paper),inset 0 0 0 2.7rem var(--line);z-index:-1;opacity:.75}
.eyebrow,.section-label{text-transform:uppercase;letter-spacing:.13em;font-weight:850;font-size:.72rem;color:var(--teal);margin:0 0 1rem}
h1,h2,h3{font-family:Georgia,"Times New Roman",serif;line-height:1.08;margin-top:0;text-wrap:balance}
h1{font-size:clamp(3rem,8vw,6.8rem);letter-spacing:-.055em;max-width:1000px;margin-bottom:1.6rem}
h2{font-size:clamp(1.8rem,4vw,3.2rem);letter-spacing:-.035em}
h3{font-size:1.45rem;letter-spacing:-.02em}
.hero-deck{font-size:clamp(1.15rem,2.4vw,1.55rem);max-width:760px;color:#334047;line-height:1.5}
.button-row{display:flex;flex-wrap:wrap;gap:.8rem;margin:2rem 0}
.button{display:inline-flex;align-items:center;justify-content:center;padding:.85rem 1.15rem;border:1px solid var(--ink);border-radius:999px;font-weight:800;text-decoration:none}
.button.primary{background:var(--ink);color:#fff}
.button.primary:hover{background:var(--teal-dark)}
.button.secondary{background:rgba(255,255,255,.45);color:var(--ink)}
.coverage-note{max-width:760px;border-left:3px solid var(--orange);padding-left:1rem;color:var(--muted)}
.urgent-panel{background:var(--teal);color:white;padding:clamp(1.5rem,4vw,3rem);border-radius:var(--radius);display:grid;grid-template-columns:minmax(0,1.3fr) minmax(15rem,.7fr);gap:clamp(2rem,5vw,5rem);box-shadow:var(--shadow)}
.urgent-panel .section-label{color:#bceae3}
.urgent-panel h2{margin-bottom:1rem}
.action-brief{background:rgba(255,255,255,.11);padding:1.25rem;border:1px solid rgba(255,255,255,.25);border-radius:12px;display:flex;flex-direction:column;gap:.6rem}
.action-brief span{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:#bceae3}
.action-brief strong{line-height:1.35}
.action-brief a{color:white}
.section-block{padding:clamp(4rem,9vw,8rem) 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:2rem;margin-bottom:2rem}
.section-head h2{margin-bottom:0;max-width:760px}
.task-link{font-weight:850}
.ledger-grid,.ledger-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}
.ledger-list{padding:1rem 0 4rem}
.ledger-card{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:1.35rem;display:flex;flex-direction:column;min-height:100%}
.ledger-card h3 a{color:var(--ink);text-decoration:none}
.ledger-card h3 a:hover{text-decoration:underline}
.ledger-card>p{color:var(--muted)}
.ledger-card>.task-link{margin-top:auto}
.card-top{display:flex;align-items:center;justify-content:space-between;gap:.8rem;margin-bottom:1rem}
.card-top time{font-size:.72rem;color:var(--muted)}
.badge,.evidence-label,.result{display:inline-flex;align-items:center;border-radius:999px;padding:.28rem .55rem;font:800 .68rem/1.2 ui-sans-serif,system-ui,sans-serif;letter-spacing:.04em;text-transform:uppercase}
.badge-action_required{background:#fee1d4;color:#8d3412}
.badge-monitoring{background:#dce9f5;color:#173e61}
.evidence-label{background:var(--paper-deep);color:#4f514d}
.compact-facts{margin:1rem 0 1.4rem;border-top:1px solid var(--line)}
.compact-facts div{padding:.65rem 0;border-bottom:1px solid var(--line)}
.compact-facts dt{font-size:.68rem;letter-spacing:.09em;text-transform:uppercase;font-weight:800;color:var(--muted)}
.compact-facts dd{margin:.15rem 0 0;font-size:.85rem}
.split-feature{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,6vw,6rem);padding:clamp(3rem,7vw,6rem);background:var(--ink);color:#fff;border-radius:var(--radius)}
.split-feature .section-label{color:#bceae3}
.split-feature p{color:#d6dddf}
.split-feature .button{background:white;color:var(--ink);border-color:white}
.numbered-preview{counter-reset:item;list-style:none;padding:0;margin:0}
.numbered-preview li{counter-increment:item;padding:1rem 0;border-bottom:1px solid #435055;font-weight:750}
.numbered-preview li:before{content:"0" counter(item);font-size:.7rem;color:#bceae3;margin-right:1rem}
.test-strip{margin:clamp(4rem,8vw,7rem) 0;padding:2rem 0;border-top:3px solid var(--ink);border-bottom:1px solid var(--line);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2rem;align-items:center}
.test-strip>.task-link{grid-column:1/-1}
.result-counts{display:flex;gap:.6rem;flex-wrap:wrap}
.result-counts span{display:flex;flex-direction:column;min-width:5.2rem;padding:.65rem;background:var(--cream);border:1px solid var(--line);border-radius:10px;font-size:.72rem;text-transform:uppercase;color:var(--muted)}
.result-counts strong{font-size:1.65rem;color:var(--ink)}
.context-grid,.content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(2rem,6vw,6rem)}
.context-grid article{padding-top:1.5rem;border-top:1px solid var(--line)}
.context-grid p,.content-grid p{color:var(--muted)}
.page-hero{padding:clamp(4rem,9vw,8rem) 0 3rem}
.page-hero.narrow{max-width:850px}
.page-hero h1,.record-hero h1,.history-hero h1{font-size:clamp(2.8rem,7vw,5.8rem)}
.definition-panel{background:var(--paper-deep);padding:clamp(1.5rem,4vw,3rem);border-radius:var(--radius)}
.definition-panel dl{display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.definition-panel dt{font-weight:850}
.definition-panel dd{margin:.35rem 0 0;color:var(--muted)}
.record-page{max-width:1040px;margin:0 auto}
.record-hero{padding:clamp(4rem,9vw,8rem) 0 3rem}
.record-hero .card-top{justify-content:flex-start}
.bottom-line{font:clamp(1.2rem,2.5vw,1.65rem)/1.55 Georgia,serif;padding:1.6rem 0;border-top:3px solid var(--ink);border-bottom:1px solid var(--line)}
.bottom-line>p:last-child{margin-bottom:0}
.action-box{margin:3rem 0;padding:clamp(1.5rem,4vw,3rem);background:var(--cream);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:1.2fr .8fr;gap:3rem}
.action-box dl{margin:0}
.action-box dl div{padding:.7rem 0;border-bottom:1px solid var(--line)}
.action-box dt,.environment dt{font-size:.7rem;text-transform:uppercase;letter-spacing:.09em;font-weight:850;color:var(--muted)}
.action-box dd,.environment dd{margin:.2rem 0 0}
.content-grid{padding:3rem 0;border-bottom:1px solid var(--line)}
.content-grid li,.unknowns li,.evidence li{margin:.55rem 0}
.check-list{list-style:"✓  ";padding-left:1.25rem}
.unknowns,.evidence,.corrections{padding:3rem 0;border-bottom:1px solid var(--line)}
.unknowns{background:linear-gradient(90deg,rgba(217,93,40,.08),transparent);padding-left:clamp(1rem,3vw,2rem)}
.source-list{list-style:none;padding:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
.source-list li{background:var(--cream);border:1px solid var(--line);padding:1rem;border-radius:10px}
.source-list a{display:block;font-weight:800}
.source-list span{display:block;margin-top:.35rem;color:var(--muted);font-size:.75rem}
.next-task{margin:3rem 0;padding:1.2rem;border:1px solid var(--line);border-radius:12px;display:flex;gap:1rem;align-items:center;flex-wrap:wrap}
.next-task strong{text-transform:uppercase;font-size:.72rem;letter-spacing:.1em;margin-right:auto}
.migration-meta{display:flex;flex-wrap:wrap;gap:.75rem}
.migration-meta span{padding:.5rem .75rem;background:var(--cream);border:1px solid var(--line);border-radius:8px;font-size:.8rem}
.code-diff{display:grid;grid-template-columns:1fr 1fr;gap:1rem;padding:3rem 0}
pre{margin:0;background:#10191d;color:#dce9e7;border-radius:12px;padding:1.25rem;overflow:auto;font:500 .82rem/1.6 ui-monospace,SFMono-Regular,Consolas,monospace}
code{overflow-wrap:anywhere}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--cream)}
table{border-collapse:collapse;width:100%;min-width:680px;text-align:left}
th,td{padding:1rem;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:var(--paper-deep);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em}
.test-result{display:grid;grid-template-columns:1fr auto;gap:2rem;background:var(--teal);color:white;padding:clamp(1.5rem,4vw,3rem);border-radius:var(--radius)}
.test-result .section-label{color:#bceae3}
.environment{padding:3rem 0}
.environment dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem}
.environment dl div{padding:1rem;background:var(--cream);border:1px solid var(--line);border-radius:10px}
.result-ready{background:#d9eee7;color:#165846}
.result-review{background:#f9ebbd;color:#70540a}
.result-blocked{background:#fee1d4;color:#8d3412}
.method-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}
.method-grid article{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:1.5rem}
.method-grid article>span{font-weight:900;color:var(--orange);font-size:.72rem}
.method-grid h2{font-size:2rem;margin-top:.65rem}
.method-grid h3{font:850 .74rem/1.4 ui-sans-serif,system-ui,sans-serif;text-transform:uppercase;letter-spacing:.1em;margin-top:1.5rem}
.method-grid dt{font-weight:850;margin-top:.8rem}
.method-grid dd{margin:.15rem 0;color:var(--muted)}
.history-hero{padding:clamp(4rem,8vw,7rem) 0 2rem}
.history-meta{display:flex;gap:.6rem;flex-wrap:wrap}
.history-meta span{background:var(--cream);border:1px solid var(--line);padding:.45rem .7rem;border-radius:999px;font-size:.75rem}
.current-notice{display:flex;align-items:center;justify-content:space-between;gap:2rem;background:#dce9f5;border-left:4px solid var(--blue);padding:1rem 1.25rem;margin:1rem 0 3rem}
.current-notice p{margin:0}
.history-layout{display:grid;grid-template-columns:250px minmax(0,1fr);gap:clamp(2rem,5vw,5rem);align-items:start}
.toc{position:sticky;top:1rem;max-height:calc(100vh - 2rem);overflow:auto;font-size:.73rem;border-top:3px solid var(--ink)}
.toc>p{font-weight:900;text-transform:uppercase;letter-spacing:.1em}
.toc ol{padding-left:1.2rem}
.toc li{margin:.5rem 0}
.toc a{color:var(--muted);text-decoration:none}
.paper{background:var(--cream);border:1px solid var(--line);padding:clamp(1.2rem,5vw,4rem);box-shadow:var(--shadow)}
.paper h2{font-size:clamp(1.75rem,4vw,2.7rem);margin-top:4rem;padding-top:1rem;border-top:1px solid var(--line)}
.paper h3{font-size:1.35rem;margin-top:2rem}
.paper p{font-family:Georgia,"Times New Roman",serif;font-size:1.03rem}
.paper .source{font-family:ui-sans-serif,system-ui,sans-serif;font-size:.78rem;color:var(--muted)}
.paper-notice{background:var(--paper-deep);padding:1rem;border-left:3px solid var(--orange);font-size:.85rem}
.citation-anchor{scroll-margin-top:2rem}
.front-label{font:900 .75rem/1.4 ui-sans-serif,system-ui,sans-serif!important;text-transform:uppercase;letter-spacing:.12em}
.site-footer{max-width:1240px;margin:0 auto;padding:2.5rem clamp(1rem,4vw,3rem);border-top:1px solid var(--line);display:grid;grid-template-columns:.6fr 1.4fr;gap:3rem;color:var(--muted);font-size:.78rem}
.site-footer strong{color:var(--ink)}
.site-footer p{margin:.25rem 0 .75rem}
@media(max-width:860px){
  .site-header{align-items:flex-start;flex-direction:column}
  nav{width:100%;overflow-x:auto;padding-bottom:.35rem}
  .ledger-grid,.ledger-list,.definition-panel dl{grid-template-columns:1fr}
  .urgent-panel,.split-feature,.test-strip,.context-grid,.content-grid,.action-box,.code-diff,.test-result,.method-grid,.history-layout,.site-footer{grid-template-columns:1fr}
  .source-list,.environment dl{grid-template-columns:1fr}
  .toc{position:static;max-height:none}
  .section-head,.current-notice{align-items:flex-start;flex-direction:column}
}
@media(max-width:560px){
  h1{font-size:2.8rem}
  .brand small{display:none}
  nav{gap:1rem}
  .hero:after{display:none}
  main{padding-inline:1rem}
  .button{width:100%}
}
@media(prefers-reduced-motion:reduce){
  *,*:before,*:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}