/* Layout: a 1064px manual-style column. Bitmap display type, serif running text,
   mono labels in brackets, dotted figure panels, hairline rules between numbered sections. */
:root{
  --bg:#fbfbfb; --fg:#000000; --accent:#0435ff; --accent-soft:rgba(4,53,255,.45);
  --muted:rgba(0,0,0,.52); --faint:rgba(0,0,0,.34); --rule:#000000; --dot:rgba(4,53,255,.17); --field:#ffffff;
  --fail:#c8351b;
  --display:"Silkscreen","Departure Mono",ui-monospace,monospace;
  --serif:"EB Garamond",Georgia,"Times New Roman",serif;
  --mono:"IBM Plex Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0c0d12; --fg:#f1f0ea; --accent:#7390ff; --accent-soft:rgba(115,144,255,.5);
    --muted:rgba(241,240,234,.58); --faint:rgba(241,240,234,.38); --rule:#f1f0ea;
    --dot:rgba(115,144,255,.2); --field:#13151c; --fail:#ff7a5c; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#0c0d12; --fg:#f1f0ea; --accent:#7390ff; --accent-soft:rgba(115,144,255,.5);
  --muted:rgba(241,240,234,.58); --faint:rgba(241,240,234,.38); --rule:#f1f0ea;
  --dot:rgba(115,144,255,.2); --field:#13151c; --fail:#ff7a5c; color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--serif);font-size:19px;line-height:1.42;-webkit-font-smoothing:antialiased}
a{color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.wrap{max-width:1064px;margin-inline:auto;padding-inline:20px}
p{margin:0}
.bracket{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);text-decoration:none;display:inline-block;padding:2px 0}
.bracket:hover{text-decoration:underline;text-underline-offset:4px}
.links{display:flex;flex-direction:column;gap:10px;align-items:flex-start;margin-top:26px}
b,strong{font-weight:700}
.bad{color:var(--fail)}
.badge{display:inline-block;font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);border:1px solid var(--accent);padding:2px 6px;vertical-align:middle}

/* nav */
.nav{border-bottom:1px solid var(--rule)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px;flex-wrap:wrap;padding-block:8px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;font-weight:500}
.brand svg{width:18px;height:14px;display:block}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.nav ul a{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none}
.nav ul a.dim{color:var(--muted)}
.nav ul a.on{color:var(--accent);text-decoration:underline;text-underline-offset:5px}
.nav ul a:hover{color:var(--accent)}
.soon{font-size:8.5px;letter-spacing:.12em;border:1px solid currentColor;padding:0 4px;margin-left:5px;vertical-align:1px}

/* hero */
.hero{display:grid;grid-template-columns:1fr minmax(240px,340px);gap:40px;align-items:start;padding-block:48px 34px}
.hero h1{margin:0;font-family:var(--display);font-weight:400;font-size:clamp(24px,4.9vw,54px);line-height:1.12;letter-spacing:.02em;color:var(--accent);text-transform:uppercase;text-wrap:balance}
.hero.sub{padding-block:40px 30px}
.hero.sub h1{font-size:clamp(28px,5vw,56px)}
.hero .lede{text-align:right;font-size:20px;line-height:1.3;padding-top:14px}
.hero .lede b{display:block;margin-top:8px}
.hero .eyebrow{margin-bottom:10px}
.dotrule{height:8px;background-image:radial-gradient(circle,var(--faint) 1px,transparent 1.3px);background-size:6px 8px;background-repeat:repeat-x;margin-block:0 56px}

/* intro */
.intro{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr);gap:56px;align-items:start;padding-bottom:64px}
.intro .text p+p{margin-top:16px}
.dropcap::first-letter{float:left;font-size:72px;line-height:.78;padding:8px 10px 0 0}
.count{font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-top:32px}

/* figure panels */
.panel{position:relative;background-image:radial-gradient(circle,var(--dot) .7px,transparent .9px);background-size:3px 3px;padding:30px 40px 26px 40px;min-width:0;margin:0}
.panel .fig,.panel .tag{position:absolute;top:30px;font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);writing-mode:vertical-rl}
.panel .fig{left:12px;transform:rotate(180deg)}
.panel .tag{right:12px;color:var(--accent)}
.panel-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.panel-foot{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);display:grid;gap:6px;margin-top:18px}
.panel-foot .ac,.ac{color:var(--accent)}
.part-canvas{display:block;width:100%;max-width:100%;aspect-ratio:4/3;image-rendering:pixelated;image-rendering:crisp-edges;cursor:grab;touch-action:none;background:transparent}
.part-canvas:active{cursor:grabbing}
.states{display:flex;gap:14px}
.states button{background:none;border:0;cursor:pointer;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);padding:2px 0}
.states button[aria-pressed="true"]{color:var(--accent);text-decoration:underline;text-underline-offset:4px}

/* sections */
.sec{border-top:1px solid var(--rule);padding-block:52px 64px}
.sec.first{border-top:0;padding-top:0}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 14px}
.sec h2{margin:0 0 24px;font-family:var(--display);font-weight:400;font-size:clamp(17px,2.3vw,25px);line-height:1.25;letter-spacing:.02em;color:var(--accent);text-transform:uppercase;text-wrap:balance}
.two{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px;align-items:start}
.two.narrow{grid-template-columns:minmax(0,0.9fr) minmax(0,1.1fr);gap:56px}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:stretch}
.flow{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:14px;margin-top:8px}
.flow .st{border-top:1px solid var(--rule);padding-top:10px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;line-height:1.7}
.flow .st .n{color:var(--faint)}
.flow .st .t{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-weight:500}
.flow .st .d{color:var(--muted)}
tr.hl td{background-image:radial-gradient(circle,var(--dot) .7px,transparent .9px);background-size:3px 3px}
.card p{font-family:var(--serif);font-size:17px;line-height:1.4;letter-spacing:0;margin-top:6px}
.after{max-width:560px;margin-top:28px}
.after u,.text u{text-decoration-color:var(--accent);text-underline-offset:3px}
.text p+p{margin-top:16px}

/* feature trees and records */
.tree{font-family:var(--mono);font-size:12.5px;line-height:1.9;letter-spacing:.02em;margin:0;padding:0;list-style:none}
.tree li{display:flex;gap:10px;align-items:baseline;min-width:0}
.tree .n{color:var(--faint);flex:0 0 2ch;text-align:right}
.tree .d{color:var(--muted)}
.tree u{text-decoration-color:var(--accent);text-underline-offset:3px}
.tree .warn{color:var(--accent)}
.tree-foot{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:14px;border-top:1px solid var(--rule);padding-top:10px}
.record{font-family:var(--mono);font-size:12.5px;line-height:1.75;margin:0;white-space:pre-wrap;word-break:break-word;letter-spacing:.01em}
.record .k{color:var(--muted)}
.record .ac{color:var(--accent)}

/* checklist panel */
.check{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;line-height:2}
.check .row{display:flex;gap:14px;border-top:1px solid var(--rule);padding-block:4px}
.check .row:last-child{border-bottom:1px solid var(--rule)}
.check .k{color:var(--accent);flex:0 0 9ch}
.check .big{color:var(--accent);font-size:13.5px}
.check-note{font-family:var(--mono);font-size:12px;color:var(--muted);text-transform:none;letter-spacing:.02em;margin-top:10px;line-height:1.7}

/* numbered standard */
.steps{list-style:none;margin:0;padding:0;counter-reset:s;display:grid;gap:0}
.steps li{display:grid;grid-template-columns:5ch 1fr;gap:14px;border-top:1px solid var(--rule);padding-block:14px}
.steps li:last-child{border-bottom:1px solid var(--rule)}
.steps .n{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--accent)}
.steps .t{font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent);margin-bottom:4px}
.steps p{font-size:17px;line-height:1.4}

/* tables */
.table-wrap{overflow-x:auto;margin-top:8px}
table{border-collapse:collapse;width:100%;min-width:640px;font-family:var(--mono);font-size:12.5px;letter-spacing:.03em;font-variant-numeric:tabular-nums}
th{text-align:left;font-weight:500;text-transform:uppercase;letter-spacing:.1em;font-size:11px;color:var(--muted);padding:0 14px 10px 0;border-bottom:1px solid var(--rule)}
td{padding:12px 14px 12px 0;border-bottom:1px dotted var(--faint);vertical-align:top}
td.proc{color:var(--accent);text-transform:uppercase;font-weight:500}
td.num{white-space:nowrap}
tr:last-child td{border-bottom:1px solid var(--rule)}
.bar{display:inline-block;height:9px;background:var(--accent);vertical-align:middle;margin-right:8px}
.bar.light{background:var(--accent-soft)}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px 32px;margin-top:8px}
.card{border-top:1px solid var(--rule);padding-top:12px;font-family:var(--mono);font-size:12px;letter-spacing:.04em;line-height:1.8}
.card .nm{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-weight:500}
.card .d{color:var(--muted)}

/* forms */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px;margin-top:8px}
.form .full{grid-column:1/-1}
label{display:grid;gap:6px;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
input,select,textarea{font:inherit;font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--fg);background:var(--field);border:1px solid var(--rule);border-radius:0;padding:10px 12px;width:100%;min-width:0}
textarea{min-height:96px;resize:vertical}
button.bracket{background:none;border:0;cursor:pointer;font-size:13px;padding:4px 0}
.form-note{font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);line-height:1.7}
.form-note .ok{color:var(--accent)}

/* dither band + footer */
.dither{display:block;width:100%;height:56px;image-rendering:pixelated;image-rendering:crisp-edges;margin-top:24px}
footer{border-top:1px solid var(--rule);padding-block:44px 40px}
.foot{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr) minmax(0,1fr);gap:32px}
.foot .blurb{font-size:16px;line-height:1.45;max-width:340px;margin-top:14px;color:var(--muted)}
.foot .copy{font-size:14px;color:var(--muted);margin-top:22px}
.foot h4{margin:0 0 14px;font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:400}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot ul a{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;text-decoration:none}
.foot ul a:hover{color:var(--accent)}
.colophon{font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);line-height:1.8;margin-top:44px;max-width:980px}

@media (max-width:860px){
  .hero{grid-template-columns:1fr;gap:22px}
  .hero .lede{text-align:left;padding-top:0;max-width:520px}
  .intro,.two,.two.narrow{grid-template-columns:1fr;gap:32px}
  .three{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr 1fr}
  .foot > div:first-child{grid-column:1/-1}
}
@media (max-width:520px){
  body{font-size:18px}
  .panel{padding:26px 28px 22px 28px}
  .panel .fig{left:7px}.panel .tag{right:7px}
  .form{grid-template-columns:1fr}
  .foot{grid-template-columns:1fr}
  .nav ul{gap:14px}
}
@media (prefers-reduced-motion: reduce){ html{scroll-behavior:auto} .bracket:hover{text-decoration:none} }