/* Blog pages: same brand as index.html (v7). Tokens copied from index.html, keep both in sync. */
:root{
  color-scheme:light;
  --navy:#0F2540;
  --violet:#6a3df0;
  --violet-light:#a68bff;
  --foam:#F5F3EE;
  --bg:#FFFFFF;
  --ink:#0F2540;
  --muted:#0F2540;                /* secondary text: navy, never grey */
  --line:#E2DED4;
  --radius:18px;
  --gutter:16px;
  --font:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 var(--font);overflow-x:hidden}
img,svg{max-width:100%;height:auto}
a{color:var(--violet)}
:focus-visible{outline:3px solid var(--violet);outline-offset:3px;border-radius:8px}
.skip{position:absolute;left:-999px;top:8px;background:#fff;padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:8px}
.wrap{max-width:1160px;margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:760px;margin:0 auto;padding:0 var(--gutter)}
@media (min-width:820px){:root{--gutter:40px}}

/* Header and footer (same as index.html) */
.site-header{position:sticky;top:0;z-index:5;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-size:20px;letter-spacing:-0.02em;color:var(--ink)}
.logo svg{width:32px;height:32px;flex:none;border-radius:8px}
.logo-text b{font-weight:700}
.logo-text span{font-weight:400}
.nav{display:flex;align-items:center;gap:24px;font-size:15px}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover,.nav a[aria-current]{color:var(--violet)}
.nav .btn{min-height:40px;padding:8px 18px;font-size:14.5px;color:#fff}
@media (max-width:820px){.nav a:not(.btn):not(.keep){display:none}}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:50px;padding:12px 24px;border-radius:999px;font-weight:600;font-size:16px;text-decoration:none;border:1.5px solid transparent}
.btn-primary{background:var(--violet);color:#fff;box-shadow:0 2px 4px rgba(15,37,64,.10),0 10px 24px rgba(15,37,64,.14)}
.site-footer{border-top:1px solid var(--line);padding:44px 0 36px;color:var(--muted);font-size:14.5px;margin-top:72px}
.site-footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px}
.site-footer p{margin:0 0 6px}
.site-footer nav{display:flex;flex-wrap:wrap;gap:8px 20px}
.site-footer nav a{color:var(--ink)}
.site-footer .fine{flex-basis:100%;margin:16px 0 0;font-size:12px}

/* Typography */
h1,h2,h3{line-height:1.12;letter-spacing:-0.03em;margin:0;font-weight:700}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--violet);margin:0 0 14px}
.kicker::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--violet)}
.page-head{padding:clamp(40px,7vw,80px) 0 8px}
.page-head h1{font-size:clamp(32px,5.4vw,54px)}
.page-head .lead{font-size:clamp(18px,2.2vw,20px);margin:18px 0 0}
.meta{font-size:14.5px;margin:18px 0 0;font-weight:600}

/* Blog list */
.posts{list-style:none;padding:0;margin:40px 0 0;display:grid;gap:18px}
.post-card{border:1px solid var(--line);border-radius:var(--radius);padding:28px;background:#fff}
.post-card h2{font-size:clamp(22px,3vw,28px)}
.post-card h2 a{color:var(--ink);text-decoration:none}
.post-card h2 a:hover{color:var(--violet)}
.post-card p{margin:10px 0 0}

/* Article body */
.article{padding-bottom:16px}
.article h2{font-size:clamp(25px,3.4vw,34px);margin:56px 0 14px}
.article h3{font-size:21px;margin:30px 0 8px}
.article p,.article li{margin:0 0 14px}
.article ul,.article ol{padding-left:22px;margin:0 0 18px}
.article li{margin-bottom:8px}
.article li::marker{color:var(--violet);font-weight:700}
.answer{background:var(--foam);border-left:4px solid var(--violet);border-radius:0 var(--radius) var(--radius) 0;padding:20px 24px;margin:32px 0 8px}
.answer p:last-child{margin-bottom:0}
.disclosure{border:1.5px solid var(--violet);border-radius:var(--radius);padding:18px 22px;margin:20px 0}
.disclosure p{margin:0}
.facts{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;background:var(--foam);border-radius:14px;padding:18px 20px;margin:0 0 18px;font-size:15.5px}
.facts dt{font-weight:700}
.facts dd{margin:0}
.table-wrap{overflow-x:auto;margin:8px 0 22px;border:1px solid var(--line);border-radius:14px}
table{border-collapse:collapse;width:100%;font-size:15px;font-variant-numeric:tabular-nums}
th,td{text-align:left;padding:12px 14px;border-top:1px solid var(--line);vertical-align:top}
thead th{border-top:0;background:var(--foam);font-size:13px;letter-spacing:.04em;text-transform:uppercase}
tr.us td{background:color-mix(in srgb,var(--violet) 7%,transparent)}
.src{font-size:14px}
code{font-family:var(--mono);font-size:.92em;background:var(--foam);padding:1px 6px;border-radius:6px;overflow-wrap:anywhere}
.crumbs{font-size:14px;margin:0 0 18px;font-weight:600}
.crumbs a{color:var(--ink)}
.direct{font-size:17.5px;font-weight:500;border-left:3px solid var(--violet);padding-left:14px}
caption{caption-side:top;text-align:left;font-size:13.5px;font-weight:600;padding:12px 14px 0}
.faq h3{font-size:18px;margin:24px 0 6px}
.cta-box{background:var(--navy);color:var(--foam);border-radius:24px;padding:clamp(24px,5vw,40px);margin:48px 0 0}
.cta-box h2{margin:0 0 10px;color:#fff}
.cta-box p{margin:0 0 20px}
.cta-box a:not(.btn){color:var(--violet-light)}
@media (max-width:480px){.btn{width:100%}}

/* Print (A5 PDF preview) */
@media print{
  .site-header,.site-footer,.skip{display:none}
  body{font-size:11pt;line-height:1.5}
  .article h2{break-after:avoid;margin-top:28px}
  .table-wrap,.facts,.answer,.disclosure,.cta-box{break-inside:avoid}
  .cta-box{-webkit-print-color-adjust:exact;print-color-adjust:exact}
  a{text-decoration:none}
}

/* Authors and team (author variants A/B, /about) */
.byline{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.byline img{width:36px;height:36px;flex:none}
.byline a{color:var(--violet)}
.ai-tag{display:inline-block;background:var(--violet);color:#fff;font-size:11px;font-weight:700;letter-spacing:.06em;border-radius:999px;padding:1px 8px;vertical-align:2px}
.author-box{display:grid;grid-template-columns:64px 1fr;gap:16px;border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:40px 0 0;background:#fff}
.author-box img{width:64px;height:64px}
.author-box p{margin:0 0 8px}
.author-name{font-weight:700;font-size:19px}
.author-role{font-weight:600;color:var(--violet)}
.team{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:18px}
.team li{display:grid;grid-template-columns:72px 1fr;gap:18px;border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.team img{width:72px;height:72px}
.team h3{font-size:21px;margin:0 0 4px}
.team p{margin:0 0 8px}
.rules-list{padding-left:22px}
.rules-list li{margin-bottom:10px}
@media print{.author-box,.team li{break-inside:avoid}}