/* ============================================================================
   hachiai-insights.pages.dev : light editorial ("analyst note") on the HachiAI purple.
   Public content register. Bans honored: no gradient text, no kickers, no
   side-stripes, no card grids, radius ≤12px, no glass. Gradient appears ONLY
   as the 3px page-top rule (and in OG cards).
   ============================================================================ */
@font-face{font-family:'Source Serif 4';src:url(/assets/fonts/SourceSerif4-var.woff2) format('woff2');
  font-weight:100 900;font-style:normal;font-display:swap}
@font-face{font-family:'Source Serif 4';src:url(/assets/fonts/SourceSerif4-Italic.woff2) format('woff2');
  font-weight:400;font-style:italic;font-display:swap}

:root{
  --bg:#FBFAFD; --ink:#211A2E; --muted:#5C5470; --line:#E2D8F1; --tint:#F3EEFA;
  --link:#6F42AE; --brand:#A579DD;
  --serif:'Source Serif 4',Georgia,'Times New Roman',serif;
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18px/1.65 var(--serif)}
body::before{content:"";display:block;height:3px;background:linear-gradient(90deg,#8657CA,#CCA4F4)}
.rail{max-width:760px;margin:0 auto;padding:0 24px}
a{color:var(--link);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:2px}
a:hover{text-decoration-thickness:2px}
h1,h2,h3{line-height:1.25;text-wrap:balance;font-weight:600;margin:0}
h1{font-size:2.1rem;letter-spacing:-.015em;margin:.4em 0 .35em}
h2{font-size:1.45rem;margin:1.9em 0 .6em}
h3{font-size:1.15rem;margin:1.4em 0 .4em}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.5em}
li{margin-bottom:.45em}
table{border-collapse:collapse;width:100%;margin:0 0 1.3em;font-size:.92em}
th,td{border:1px solid var(--line);padding:.55em .8em;text-align:left;vertical-align:top}
th{background:var(--tint);font-weight:600}
blockquote{margin:0 0 1.2em;padding:.9em 1.2em;background:var(--tint);border:1px solid var(--line);border-radius:10px;font-style:italic}
blockquote p:last-child{margin:0}
code{font-family:ui-monospace,Menlo,monospace;font-size:.85em;background:var(--tint);padding:.1em .35em;border-radius:5px}
img{max-width:100%}

/* masthead */
.masthead{border-bottom:1px solid var(--line);background:#fff}
.masthead .rail{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-top:14px;padding-bottom:14px;max-width:900px}
.wordmark{font-family:var(--serif);font-weight:600;font-size:1.15rem;color:var(--ink);text-decoration:none}
.wordmark em{font-style:italic;color:var(--link)}
.masthead nav{display:flex;gap:16px;flex-wrap:wrap;font-family:var(--sans);font-size:.82rem}
.masthead nav a{color:var(--muted);text-decoration:none}
.masthead nav a:hover{color:var(--link);text-decoration:underline}
.corp{margin-left:auto;font-family:var(--sans);font-size:.82rem;color:var(--muted);text-decoration:none}
.corp:hover{color:var(--link)}

/* breadcrumbs + meta */
.crumbs{font-family:var(--sans);font-size:.8rem;color:var(--muted);margin:26px 0 4px}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--link);text-decoration:underline}
.byline{font-family:var(--sans);font-size:.84rem;color:var(--muted);margin-bottom:1.6em}
.byline a{color:var(--muted)}
.lede{font-size:1.08rem;color:var(--muted)}

/* answer-first block */
.answer{background:var(--tint);border:1px solid var(--line);border-radius:12px;padding:1.1em 1.4em;margin:0 0 1.6em}
.answer h2{margin:0 0 .45em;font-size:1.05rem;font-family:var(--sans);font-weight:600;color:var(--link)}
.answer p{margin:0}

/* TOC */
.toc{font-family:var(--sans);font-size:.86rem;border:1px solid var(--line);border-radius:10px;padding:.9em 1.3em;margin:0 0 1.8em;background:#fff}
.toc b{display:block;margin-bottom:.4em;color:var(--muted);font-weight:600}
.toc ol{margin:0;padding-left:1.2em}
.toc li{margin-bottom:.25em}
.toc a{text-decoration:none}
.toc a:hover{text-decoration:underline}

/* FAQ + sources */
.faq{border-top:1px solid var(--line);margin-top:2.2em;padding-top:.4em}
.faq h3{color:var(--ink)}
.sources{font-size:.92em;color:var(--muted)}
.sources ol{padding-left:1.4em}

/* related + CTA */
.related{border-top:1px solid var(--line);margin-top:2em;padding-top:.4em}
.related ul{list-style:none;padding:0}
.related li{margin-bottom:.7em}
.related span{display:block;font-size:.9em;color:var(--muted)}
.cta{background:var(--tint);border:1px solid var(--line);border-radius:12px;padding:1.3em 1.5em;margin:2.2em 0 1em;font-family:var(--sans)}
.cta p:first-child{font-size:1.02rem;margin-bottom:.9em}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;margin:0}
.btn{display:inline-block;background:var(--link);color:#fff;border-radius:9px;padding:.6em 1.2em;font-weight:600;font-size:.9rem;text-decoration:none}
.btn:hover{background:#5B3591}
.btn.ghost{background:#fff;color:var(--link);border:1px solid var(--link)}
.btn.ghost:hover{background:var(--tint)}

/* article/row lists */
.rows{list-style:none;padding:0;margin:0 0 1.5em}
.row{padding:1em 0;border-bottom:1px solid var(--line)}
.row:last-child{border-bottom:none}
.row-title{font-weight:600;font-size:1.1rem}
.row a{text-decoration:none}
.row a:hover .row-title{text-decoration:underline}
.row-desc{margin:.25em 0 .3em;color:var(--muted);font-size:.95em}
.row-meta{font-family:var(--sans);font-size:.78rem;color:var(--muted);margin:0}
.more{font-family:var(--sans);font-size:.85rem}
.empty{color:var(--muted);font-style:italic}
.mast-intro{margin-top:34px}
.mast-intro h1{font-size:1.9rem}
section>h2 a{color:var(--ink);text-decoration:none}
section>h2 a:hover{color:var(--link)}

/* footer */
footer{border-top:1px solid var(--line);margin-top:56px;background:#fff}
footer .rail{padding-top:26px;padding-bottom:30px;font-family:var(--sans);font-size:.82rem;color:var(--muted);max-width:900px}
footer nav{margin:.6em 0}
footer a{color:var(--muted)}

@media(max-width:640px){
  body{font-size:17px}
  h1{font-size:1.65rem}
  .masthead nav{display:none}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}