/* The Public Trust Ledger - site stylesheet, v1 (August 2026)
   Dependency-free. System fonts only. Palette drawn from columnar ledger paper:
   pale green sheet, blue horizontal rules, red vertical margin line, black ink. */

:root{
  --paper:#F5F7F2;
  --sheet:#E7EEE1;
  --sheet-deep:#D8E3CF;
  --ink:#171B1E;
  --ink-soft:#3A4249;
  --muted:#5D6770;
  --rule:#9FB2C6;
  --rule-soft:#CDD8E3;
  --margin:#B23A2F;
  --link:#1D3E66;
  --serif:"Charter","Bitstream Charter","Iowan Old Style","Palatino Linotype","Book Antiqua",Georgia,"Times New Roman",serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,"Liberation Mono","DejaVu Sans Mono",monospace;
  --measure:70ch;
  --gutter:clamp(1rem,4vw,2.5rem);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--serif);font-size:1.0625rem;line-height:1.55;
  font-variant-numeric:oldstyle-nums proportional-nums;
}
a{color:var(--link);text-decoration-thickness:1px;text-underline-offset:.15em}
a:hover{color:var(--margin)}
:focus-visible{outline:2px solid var(--margin);outline-offset:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.5rem .75rem;z-index:10}
.skip:focus{left:.5rem;top:.5rem}
img,svg{max-width:100%;height:auto}
h1,h2,h3,h4{font-weight:600;line-height:1.15;margin:0 0 .5em;letter-spacing:-.005em}
h1{font-size:clamp(2rem,5vw,3.25rem);letter-spacing:-.015em}
h2{font-size:clamp(1.45rem,3vw,1.9rem);margin-top:2.6em}
h3{font-size:1.2rem;margin-top:1.9em}
h4{font-size:1.02rem;margin-top:1.4em}
p,ul,ol,dl,table,blockquote,figure{margin:0 0 1em}
p,li,dd{max-width:var(--measure)}
ul,ol{padding-left:1.25rem}
li{margin-bottom:.35em}
sup{font-size:.55em;vertical-align:.7em;letter-spacing:0}
small,.small{font-size:.9rem}
.muted{color:var(--muted)}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums lining-nums;font-size:.92em}
.eyebrow{
  font-family:var(--mono);font-size:.78rem;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);margin:0 0 .9rem
}
hr{border:0;border-top:1px solid var(--rule);margin:2.5rem 0}

/* Layout */
.wrap{max-width:66rem;margin:0 auto;padding:0 var(--gutter)}
.site-header{border-bottom:1px solid var(--rule);background:var(--paper)}
.site-header .wrap{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1.5rem;padding-top:1rem;padding-bottom:.9rem}
.wordmark{font-weight:600;text-decoration:none;color:var(--ink);font-size:1.05rem;letter-spacing:.005em;white-space:nowrap}
.wordmark:hover{color:var(--ink)}
.site-nav{display:flex;flex-wrap:wrap;gap:.25rem 1.1rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.03em;text-transform:uppercase}
.site-nav a{text-decoration:none;color:var(--ink-soft);padding:.2rem 0;border-bottom:1px solid transparent}
.site-nav a:hover,.site-nav a[aria-current="page"]{border-bottom-color:var(--margin);color:var(--ink)}
main{padding:2.6rem 0 4rem}
.content{position:relative}
@media (min-width:60rem){
  .content{padding-left:1.75rem;border-left:2px solid var(--margin)}
}
.site-footer{border-top:1px solid var(--rule);padding:1.6rem 0 2.6rem;font-size:.9rem;color:var(--muted)}
.site-footer p{margin:0 0 .35em;max-width:none}
.site-footer a{color:var(--ink-soft)}

/* Hero */
.hero h1{margin-bottom:.35em}
.proposition{
  font-size:clamp(1.3rem,2.6vw,1.75rem);line-height:1.3;max-width:34ch;margin:1.2rem 0 1.4rem;
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:.9rem 0
}
.lede{font-size:1.12rem;max-width:64ch}

/* Doors */
.doors{list-style:none;padding:0;margin:2.2rem 0 0;display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media (min-width:44rem){.doors{grid-template-columns:repeat(3,1fr)}}
.door{background:var(--sheet);margin:0;max-width:none}
.door a{display:block;height:100%;padding:1.1rem 1.15rem 1.25rem;text-decoration:none;color:var(--ink);border-left:3px solid transparent}
.door a:hover,.door a:focus-visible{background:var(--sheet-deep);border-left-color:var(--margin);color:var(--ink)}
.door .eyebrow{margin-bottom:.4rem}
.door strong{font-size:1.15rem;display:block;margin-bottom:.35rem;font-weight:600}
.door p{margin:0;font-size:.95rem;color:var(--ink-soft)}
.door .go{display:block;margin-top:.8rem;font-family:var(--mono);font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;color:var(--link)}

/* Ledger surfaces */
.ledger{
  background:var(--sheet);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);
  border-left:2px solid var(--margin);padding:.2rem 1rem .2rem 1.1rem;margin:1.4rem 0 1.6rem
}
.ledger > *{max-width:none}
.ledger-rows{list-style:none;padding:0;margin:0}
.ledger-rows li{margin:0;padding:.65rem 0;border-bottom:1px solid var(--rule-soft);display:grid;grid-template-columns:minmax(5.5rem,8.5rem) 1fr;gap:.35rem 1rem;max-width:none}
.ledger-rows li:last-child{border-bottom:0}
.ledger-rows .k{font-family:var(--mono);font-size:.8rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);padding-top:.15rem}
.ledger-rows .v{margin:0}
@media (max-width:40rem){.ledger-rows li{grid-template-columns:1fr}}

table{border-collapse:collapse;width:100%;font-size:.95rem;max-width:none;background:var(--sheet);border-top:1px solid var(--rule);border-left:2px solid var(--margin)}
caption{text-align:left;font-family:var(--mono);font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:0 0 .5rem}
th,td{text-align:left;vertical-align:top;padding:.55rem .7rem;border-bottom:1px solid var(--rule-soft)}
th{font-family:var(--mono);font-weight:500;font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-soft);border-bottom:1px solid var(--rule)}
tbody th{font-family:var(--serif);font-size:.95rem;letter-spacing:0;text-transform:none;font-weight:600;color:var(--ink)}
.table-scroll{overflow-x:auto;margin:0 0 1.2rem;-webkit-overflow-scrolling:touch}
.table-scroll table{min-width:44rem}
td.blank,th.blank{min-height:2.2rem;height:2.4rem}
.fill td{height:2.6rem}

/* Codes and stamps */
.code{
  font-family:var(--mono);font-variant-numeric:lining-nums;font-size:.82em;
  border:1px solid var(--ink);padding:.02em .38em;border-radius:2px;white-space:nowrap
}
.stamp{
  display:block;max-width:44rem;margin:1.6rem 0;padding:.9rem 1.1rem 1rem;
  border:1px solid var(--margin);border-left-width:3px;color:var(--ink);background:var(--paper);
  font-family:var(--serif);font-size:1rem;line-height:1.5
}
.stamp b{display:block;font-family:var(--mono);text-transform:uppercase;letter-spacing:.08em;font-size:.76rem;color:var(--margin);margin-bottom:.3rem}
.stamp + .stamp-note{margin-top:-.8rem;font-size:.9rem;color:var(--muted)}

/* Clock strip */
.clock{list-style:none;padding:0;margin:1rem 0 .6rem;display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media (min-width:36rem){.clock{grid-template-columns:repeat(2,1fr)}}
@media (min-width:56rem){.clock{grid-template-columns:repeat(3,1fr)}}
.clock li{background:var(--sheet);margin:0;padding:.85rem .95rem 1rem;max-width:none;border-left:3px solid transparent}
.clock li.is-past{color:var(--muted);background:var(--paper)}
.clock .clock-date{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums lining-nums;font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-soft)}
.clock .clock-days{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums lining-nums;font-size:1.55rem;line-height:1.1;margin:.2rem 0 .35rem;color:var(--margin)}
.clock li.is-past .clock-days{color:var(--muted)}
.clock .clock-what{margin:0;font-size:.93rem;line-height:1.4}
.clock-note{font-size:.88rem;color:var(--muted);max-width:none}

/* Steps (Interrogate / Substantiate / Commit) */
.steps{list-style:none;padding:0;margin:1.2rem 0 0;display:grid;gap:1.4rem}
@media (min-width:44rem){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{margin:0;max-width:none;border-top:2px solid var(--ink);padding-top:.7rem}
.steps strong{display:block;font-size:1.05rem;margin-bottom:.35rem}
.steps p{margin:0;font-size:.95rem;color:var(--ink-soft)}

/* Definition-style blocks */
.dl-tight dt{font-weight:600;margin-top:.9em}
.dl-tight dd{margin:.15em 0 0}
.two-col{display:grid;gap:2rem}
@media (min-width:50rem){.two-col{grid-template-columns:1fr 1fr}}
.two-col > *{max-width:none}
.toc{font-size:.93rem;columns:2;column-gap:2rem;padding-left:1.1rem;max-width:none;margin:0 0 2rem}
@media (max-width:40rem){.toc{columns:1}}
.toc li{break-inside:avoid;margin-bottom:.3em}
.callout{border:1px solid var(--rule);background:var(--paper);padding:.9rem 1.1rem;margin:1.2rem 0;max-width:var(--measure)}
.callout p:last-child{margin-bottom:0}
.byline{font-family:var(--mono);font-size:.85rem;color:var(--muted);letter-spacing:.02em}
.button{
  display:inline-block;font-family:var(--mono);font-size:.82rem;letter-spacing:.06em;text-transform:uppercase;
  border:1px solid var(--ink);color:var(--ink);text-decoration:none;padding:.5rem .85rem;background:var(--paper);cursor:pointer
}
.button:hover,.button:focus-visible{background:var(--ink);color:#fff}
.field{display:grid;gap:.3rem;margin-bottom:1rem;max-width:40rem}
.field label{font-weight:600}
.field small{color:var(--muted)}
input[type=text],input[type=url],input[type=email],input[type=date],select,textarea{
  font:inherit;font-size:1rem;padding:.5rem .6rem;border:1px solid var(--rule);background:#fff;color:var(--ink);width:100%
}
textarea{min-height:6rem}
fieldset{border:1px solid var(--rule);padding:.8rem 1rem 1rem;margin:0 0 1.2rem;max-width:40rem}
legend{font-weight:600;padding:0 .35rem}
.hidden{position:absolute;left:-9999px}
.print-only{display:none}

/* Print */
@media print{
  :root{--paper:#fff;--sheet:#fff;--sheet-deep:#fff}
  body{font-size:11pt;line-height:1.4;color:#000}
  .site-nav,.skip,.button,.no-print,.doors,.clock-note{display:none !important}
  .print-only{display:block}
  .content{border-left:0;padding-left:0}
  .site-header{border-bottom:1px solid #000}
  .site-footer{border-top:1px solid #000;color:#000}
  a{color:#000;text-decoration:none}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em}
  h2{margin-top:1.4em;break-after:avoid}
  h3,h4{break-after:avoid}
  table{break-inside:auto;border-left:1px solid #000;border-top:1px solid #000}
  tr{break-inside:avoid}
  th,td{border-bottom:1px solid #000;border-right:1px solid #999}
  .table-scroll{overflow:visible}
  .table-scroll table{min-width:0}
  .stamp{border-color:#000;color:#000}
  .ledger{border-color:#000;background:#fff}
  .page-break{break-before:page}
  .fill td{height:2.2rem}
}

/* v1.2 additions */
.clock-rel{display:block;margin-top:.45rem;font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.verdict-card{border:1px solid var(--rule);border-left:3px solid var(--margin);background:var(--sheet);padding:1rem 1.2rem 1.1rem;margin:1.4rem 0 2rem;max-width:44rem}
.verdict-card.ok{border-left-color:#3B6B4A}
.verdict-card.warn{border-left-color:#B7791F}
.verdict-card.stop{border-left-color:var(--margin)}
.verdict-card .verdict-line{font-size:1.35rem;line-height:1.25;font-weight:600;margin:0 0 .6rem}
.verdict-card h3{margin-top:1.1em;font-size:1rem}
.verdict-card table{background:var(--paper)}
.field label{display:block;font-weight:400}
.field > label:first-child{font-weight:600}
fieldset .field label,fieldset .field > label:first-child{font-weight:400}

/* v2 additions: history anchoring */
.facts{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:1px;background:var(--rule);border:1px solid var(--rule)}
@media (min-width:36rem){.facts{grid-template-columns:repeat(2,1fr)}}
@media (min-width:56rem){.facts{grid-template-columns:repeat(5,1fr)}}
.facts li{background:var(--sheet);margin:0;padding:.9rem .95rem 1rem;max-width:none}
.facts .n{display:block;font-family:var(--mono);font-variant-numeric:tabular-nums lining-nums;font-size:1.7rem;line-height:1.05;color:var(--margin);margin-bottom:.35rem}
.facts .t{display:block;font-size:.9rem;line-height:1.4;color:var(--ink-soft)}
.facts a{text-decoration:none;color:inherit}
.facts a:hover .t{text-decoration:underline}
.timeline{list-style:none;padding:0;margin:1.6rem 0 2rem;border-left:2px solid var(--margin);max-width:none}
.timeline li{position:relative;margin:0;padding:0 0 1.6rem 1.6rem;max-width:none}
.timeline li::before{content:"";position:absolute;left:-7px;top:.45rem;width:12px;height:12px;border-radius:50%;background:var(--paper);border:2px solid var(--ink)}
.timeline .year{font-family:var(--mono);font-variant-numeric:tabular-nums lining-nums;font-size:.85rem;letter-spacing:.05em;text-transform:uppercase;color:var(--margin);display:block;margin-bottom:.2rem}
.timeline h3{margin:0 0 .35rem;font-size:1.1rem}
.timeline p{margin:0 0 .45rem;max-width:var(--measure)}
.timeline .tag{display:inline-block;font-family:var(--mono);font-size:.72rem;letter-spacing:.05em;text-transform:uppercase;border:1px solid var(--rule);padding:.05rem .4rem;color:var(--muted);margin:.2rem 0 .4rem}
.timeline .src{font-size:.85rem;color:var(--muted)}
.lesson{border-top:2px solid var(--ink);padding-top:.6rem;margin-top:1.4rem}