/* Canary Builds — research site.
   Palette and font stacks copied from the current canarybuilds.com stylesheet
   (dossier design): Spectral + IBM Plex Mono, warm paper, blue accent.
   --neg keeps the handoff placeholder: the current site has no red to copy.
   --sans is the sans stack from the repo's public/styles.css (used for tables/specs). */
:root{
  --bg:#F7F5EF; --surface:#FCFBF7; --ink:#16140E; --ink-2:#544F44; --rule:#DDD8CC;
  --accent:#0A5FD0; --accent-ink:#0A5FD0; --neg:#8a3b2a;
  --serif:"Spectral",Georgia,serif;
  --sans:ui-sans-serif,"Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",monospace;
  --measure:68ch;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 var(--sans)}
img{max-width:100%;height:auto}
a{color:var(--ink);text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:3px}
a:hover{color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.skip{position:absolute;left:-9999px}.skip:focus{left:1rem;top:1rem;background:var(--surface);padding:.5rem 1rem;z-index:10}
.wrap{max-width:1120px;margin:0 auto;padding:0 1.25rem}
.mono,.label,time,.tag,.num,.count{font-family:var(--mono)}
.label{display:block;font-size:.75rem;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-2);margin:0 0 .5rem}
h1,h2,h3{font-family:var(--serif);font-weight:500;line-height:1.2;text-wrap:balance;margin:0}
h1{font-size:clamp(2rem,4.5vw,3rem)}
h2{font-size:1.5rem}
h3{font-size:1.15rem}
p,li{text-wrap:pretty}

/* Header and footer match the existing canarybuilds.com masthead/colophon:
   2px ink rules, IBM Plex Mono uppercase nav, Spectral wordmark beside the logo. */
.site-header{border-bottom:2px solid var(--ink)}
.header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:.75rem 2rem;padding-block:.65rem 1.375rem}
.brand{display:flex;align-items:center;text-decoration:none}
.brand img{display:block;width:auto;height:70px;margin:-1rem 0 -1rem -1.25rem}
.brand b{font-family:var(--serif);font-weight:500;font-size:1.125rem;letter-spacing:.01em;color:var(--ink);margin-left:-10px}
nav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:.25rem 1.5rem}
nav a{text-decoration:none;font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2)}
nav a:hover,nav a[aria-current="page"]{color:var(--ink);text-decoration:underline;text-decoration-color:var(--accent);text-decoration-thickness:2px;text-underline-offset:6px}
.site-footer{border-top:2px solid var(--ink);margin-top:6rem}
.footer-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:1rem 2rem;padding-block:1.375rem clamp(40px,6vw,64px);font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;color:var(--ink-2)}
.foot-brand{font-weight:500;color:var(--ink)}

.intro{padding:5rem 0 3rem;max-width:46rem}
.intro h1{margin-bottom:1.25rem}
.lede{font-size:1.15rem;color:var(--ink-2);max-width:var(--measure);margin:1rem 0 0}
.page-head{padding:4rem 0 2.5rem;border-bottom:1px solid var(--rule);margin-bottom:2.5rem}
.block{padding-top:3rem}
.block-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:.5rem 1rem;border-bottom:1px solid var(--ink);padding-bottom:.75rem}
.block.two{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,22rem),1fr));gap:2.5rem}
.block.two>div{border-top:1px solid var(--ink);padding-top:1rem}
.block.two p{color:var(--ink-2);margin:.75rem 0}
.more{font-size:.95rem}
.count{font-size:.8rem;color:var(--ink-2);margin:0 0 .5rem}

.entries{list-style:none;margin:0;padding:0}
.entry{display:grid;grid-template-columns:8rem minmax(0,1fr) auto;gap:.5rem 1.5rem;padding:1.4rem 0;border-bottom:1px solid var(--rule);align-items:baseline}
.entry time{font-size:.85rem;color:var(--ink-2)}
.entry h3 a{text-decoration:none}
.entry h3 a:hover{text-decoration:underline;text-decoration-color:var(--accent)}
.entry p{margin:.35rem 0 0;color:var(--ink-2)}
.tag{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;border:1px solid var(--rule);padding:.15rem .5rem;white-space:nowrap}
.tag-neg{border-color:var(--neg);color:var(--neg)}
@media (max-width:640px){.entry{grid-template-columns:1fr}.tag{justify-self:start}}

.with-toc{display:grid;grid-template-columns:14rem minmax(0,1fr);gap:3rem;align-items:start}
.toc{position:sticky;top:1.5rem;font-size:.9rem}
.toc ol{margin:0;padding-left:1.4rem;display:grid;gap:.35rem}
.toc a{text-decoration:none;color:var(--ink-2)}
.toc a:hover{color:var(--ink)}
@media (max-width:860px){.with-toc{grid-template-columns:1fr;gap:1.5rem}.toc{position:static;border:1px solid var(--rule);padding:1rem;background:var(--surface)}}

.prose{max-width:var(--measure);font-family:var(--serif);font-size:1.1rem;line-height:1.7}
.prose h2{margin:2.75rem 0 .75rem;display:flex;gap:.75rem;align-items:baseline}
.prose section:first-child h2,.prose>h2:first-child{margin-top:0}
.prose h3{margin:1.75rem 0 .5rem;display:flex;gap:.6rem;align-items:baseline}
.prose section{scroll-margin-top:1.5rem}
.num{font-size:.8rem;color:var(--accent-ink);font-weight:500}

.meta{display:flex;flex-wrap:wrap;gap:1rem 2.5rem;margin:1.5rem 0 0}
.meta dt{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-2)}
.meta dd{margin:0}
.abstract{margin-top:2rem;max-width:var(--measure);background:var(--surface);border:1px solid var(--rule);padding:1.25rem 1.5rem}
.abstract h2{font-family:var(--mono);font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.5rem}
.abstract p{margin:0;font-family:var(--serif);font-size:1.05rem}

.table{margin:2rem 0}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-family:var(--sans);font-size:.92rem;font-variant-numeric:tabular-nums}
caption{caption-side:top;text-align:left;font-size:.9rem;color:var(--ink-2);padding-bottom:.6rem}
th,td{padding:.5rem .75rem;text-align:left;border-bottom:1px solid var(--rule)}
thead th{border-bottom:1px solid var(--ink);font-weight:600}
tbody th{font-weight:400}
.n{text-align:right}

.specs{display:grid;grid-template-columns:max-content minmax(0,1fr);gap:.4rem 1.5rem;margin:1.25rem 0;font-family:var(--sans);font-size:.95rem}
.specs dt{font-family:var(--mono);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-2);padding-top:.15rem}
.specs dd{margin:0}
.refs{font-size:1rem;padding-left:1.5rem;display:grid;gap:.5rem}
.cite{background:var(--surface);border:1px solid var(--rule);padding:1rem 1.25rem;overflow-x:auto;font:.85rem/1.6 var(--mono);white-space:pre}

@media print{
  :root{--bg:#fff}
  body{font-size:11pt;color:#000}
  .site-header nav,.site-footer,.toc,.skip{display:none}
  .site-header{border:0}
  .wrap{max-width:none;padding:0}
  .with-toc{display:block}
  .prose{max-width:none;font-size:11pt}
  .page-head{padding:0 0 1rem}
  a{color:#000;text-decoration:none}
  .prose a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em}
  h2,h3{break-after:avoid}
  table,figure,pre,.abstract{break-inside:avoid}
}