/* Blog conversion layer (api/blog.js). Loaded after home.css + the shared guide CSS; scoped to body.blog. */
body.blog{--side-w:272px}
/* header: sticky, nav, language menu, log in + start */
.blog .bl-sticky{position:sticky;top:env(safe-area-inset-top,0px);z-index:30;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:saturate(1.4) blur(8px)}
.blog .bl-head .in{max-width:1120px;gap:18px}
.blog .bl-nav{display:flex;gap:2px;margin-right:auto;margin-left:8px}
.blog .bl-nav a{font-size:14.5px;font-weight:600;color:var(--ink-2);text-decoration:none;padding:8px 10px;border-radius:8px;min-height:40px;display:inline-flex;align-items:center}
.blog .bl-nav a:hover{color:var(--ink);background:var(--sunken)}
.blog .bl-nav a[aria-current]{color:var(--ink)}
.blog .bl-right{gap:8px}
.blog .bl-lang{position:relative}
.blog .bl-lang summary{list-style:none;cursor:pointer;font-size:13px;font-weight:700;color:var(--ink-2);padding:0 10px;min-height:40px;display:inline-flex;align-items:center;gap:4px;border-radius:8px}
.blog .bl-lang summary::-webkit-details-marker{display:none}
.blog .bl-lang summary::after{content:"";width:6px;height:6px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg) translateY(-2px);margin-left:4px}
.blog .bl-lang summary:hover{background:var(--sunken)}
.blog .bl-lang .bl-langs{position:absolute;right:0;top:calc(100% + 6px);display:grid;gap:0;min-width:210px;background:var(--raised);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:var(--shadow-2)}
.blog .bl-lang .bl-langs a{min-height:38px;font-weight:500;color:var(--ink);gap:10px}
.blog .bl-lang .bl-langs a b{font-family:var(--f-mono);font-size:11px;color:var(--ink-3);width:38px}
.blog .bl-lang .bl-langs a:hover{background:var(--sunken)}
.blog .bl-login{font-size:14.5px;font-weight:600;color:var(--ink);text-decoration:none;padding:0 8px;min-height:40px;display:inline-flex;align-items:center}
.blog .bl-head .btn{min-height:40px;padding:0 16px;font-size:14.5px}
@media (max-width:900px){.blog .bl-nav{display:none}.blog .bl-right{margin-left:auto}}
@media (max-width:520px){.blog .bl-head .in{flex-wrap:nowrap;padding-top:0;padding-bottom:0;min-height:58px;gap:8px}.blog .bl-head .btn{display:inline-flex;min-height:38px;padding:0 12px;font-size:14px}.blog .bl-login{padding:0 4px;font-size:14px}.blog .bl-lang summary{padding:0 6px}}
@media (max-width:520px){.blog .bl-head .in{padding-left:16px;padding-right:16px}.blog .bl-login{display:none}.blog .bl-head .logo{width:26px;overflow:hidden}.blog .bl-head .logo svg{height:26px;width:164px;max-width:none}}
.blog .bl-head .logo{flex:none}

/* layout: article + sticky sidebar on wide screens */
.blog .bl-wrap{max-width:760px;margin:0 auto}
@media (min-width:1180px){
  .blog .bl-wrap.has-side{max-width:1120px;display:grid;grid-template-columns:minmax(0,760px) var(--side-w);gap:48px;justify-content:center;padding:0 20px}
  .blog .bl-wrap.has-side .bl-main{padding-left:0;padding-right:0;margin:0;max-width:none}
  .blog.post .bl-main .toc{display:none}
}
.blog .bl-side{display:none}
@media (min-width:1180px){.blog .bl-side{display:block;padding-top:28px}}
.blog .side-in{position:sticky;top:92px;display:grid;gap:18px}
.blog .side-toc b{font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3)}
.blog .side-toc ol{list-style:none;margin:8px 0 0;padding:0;border-left:2px solid var(--line);max-height:46vh;overflow:auto}
.blog .side-toc li{margin:0}
.blog .side-toc a{display:block;padding:5px 0 5px 12px;margin-left:-2px;border-left:2px solid transparent;font-size:13.5px;line-height:1.35;color:var(--ink-2);text-decoration:none}
.blog .side-toc a:hover{color:var(--ink)}
.blog .side-toc a[aria-current]{color:var(--cobalt);border-left-color:var(--cobalt);font-weight:600}
.blog .side-cta{background:var(--raised);border:1px solid var(--line);border-radius:14px;padding:16px;display:grid;gap:8px}
.blog .side-cta .t{font-family:var(--f-display);font-size:17px;line-height:1.25;letter-spacing:-.01em;color:var(--ink);margin:0}
.blog .side-cta p{margin:0;font-size:14px;line-height:1.5;color:var(--ink-2)}
.blog .side-cta .btn{margin-top:4px}
.blog .fine{font-size:12.5px;line-height:1.45;color:var(--ink-3)}

/* shared CTA bits */
.blog .cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.blog .bl-main .fine{font-size:13px;color:var(--ink-3);margin:0}
.blog .ghost{font-weight:600;font-size:15px;color:var(--cobalt);text-decoration:none}
.blog .ghost:hover{text-decoration:underline}

/* "How Changeline solves this" box + example timeline */
.blog .pbox{margin:32px 0 8px;padding:20px;border:1px solid var(--line);border-radius:16px;background:var(--raised);box-shadow:0 16px 36px -22px rgba(14,17,23,.35);display:grid;gap:14px}
.blog .pbox-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.blog .pbox-t{font-family:var(--f-display);font-size:20px;letter-spacing:-.01em;color:var(--ink);font-weight:700}
.blog .ex{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);border:1px solid var(--line);border-radius:5px;padding:2px 7px}
.blog .bl-main .pbox p{margin:0;font-size:16px}
.blog .tlx{list-style:none;margin:0;padding:14px 12px 10px;background:var(--surface);border:1px solid var(--line);border-radius:12px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr)) minmax(124px,1fr);column-gap:8px;row-gap:8px;position:relative}
.blog .tlx li{margin:0;grid-column:var(--d) / span 2;display:flex;flex-direction:column;gap:4px;min-width:0}
.blog .tlx li:nth-child(1){grid-row:1}.blog .tlx li:nth-child(2){grid-row:2}.blog .tlx li:nth-child(3){grid-row:3}
.blog .tlx li.drop{grid-column:6;grid-row:1 / span 3;justify-content:flex-start;align-items:stretch;border-left:2px dashed var(--coral);padding-left:8px}
.blog .tlx .day{order:2;font-family:var(--f-mono);font-size:10.5px;color:var(--ink-3);text-transform:capitalize}
.blog .tlx .card{display:block;background:var(--raised);border:1px solid var(--line);border-left:3px solid var(--c);border-radius:8px;padding:6px 9px;font-size:13px;line-height:1.3;color:var(--ink)}
.blog .tlx .card small{display:block;font-family:var(--f-mono);font-size:10px;color:var(--ink-3);margin-bottom:2px}
.blog .tlx li.drop .card{overflow-wrap:normal;word-break:normal;hyphens:auto;border:0;background:var(--coral-soft);color:var(--ink);font-weight:600;position:relative;padding-left:22px}
.blog .tlx li.drop .card::before{content:"";position:absolute;left:8px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--coral)}
.blog .tlx li.drop .day{order:0;color:var(--coral-ink);font-weight:600}
@media (max-width:640px){
  .blog .tlx{grid-template-columns:1fr;row-gap:6px}
  .blog .tlx li,.blog .tlx li.drop{grid-column:1;grid-row:auto;flex-direction:row;align-items:center;gap:10px}
  .blog .tlx li.drop{border-left:0;padding-left:0}
  .blog .tlx .day{order:0;width:44px;flex:none}
  .blog .tlx .card{flex:1;min-width:0}
}

/* end CTA */
.blog .ecta{margin:44px 0 8px;border:1px solid var(--line);border-radius:18px;background:var(--raised);overflow:hidden;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr)}
.blog .ecta .txt{padding:24px;display:grid;gap:12px;align-content:center}
.blog .bl-main .ecta h2{margin:0;font-size:24px;line-height:1.2}
.blog .bl-main .ecta p{margin:0;font-size:16px}
.blog .ecta .vis{list-style:none;margin:0;padding:20px;background:var(--cobalt-soft);display:grid;gap:8px;align-content:center}
.blog .ecta .vis li{margin:0;display:flex;align-items:center;gap:10px;background:var(--raised);border-radius:8px;border-left:3px solid var(--c);padding:7px 10px;font-size:13px;line-height:1.3;color:var(--ink)}
.blog .ecta .vis li small{margin-left:auto;font-family:var(--f-mono);font-size:10px;color:var(--ink-3);text-transform:capitalize;white-space:nowrap}
.blog .ecta .vis li.m{border-left-color:var(--coral);background:var(--coral-soft);font-weight:600}
.blog .ecta .vis li.m small{color:var(--coral-ink)}
@media (max-width:640px){.blog .ecta{grid-template-columns:1fr}.blog .ecta .vis{order:-1;padding:14px}}

/* step diagram from [[flow|…]] */
.blog .bl-main ol.flow{list-style:none;counter-reset:fl;padding:0;margin:16px 0 20px;display:flex;flex-wrap:wrap;gap:8px}
.blog .bl-main ol.flow li{counter-increment:fl;margin:0;flex:1 1 150px;display:flex;align-items:stretch;position:relative}
.blog .bl-main ol.flow li span{flex:1;display:block;background:var(--raised);border:1px solid var(--line);border-radius:10px;padding:10px 12px 10px 40px;font-size:15px;line-height:1.35;color:var(--ink);position:relative}
.blog .bl-main ol.flow li span::before{content:counter(fl);position:absolute;left:10px;top:10px;width:20px;height:20px;border-radius:50%;background:var(--cobalt);color:var(--on-cobalt);font:600 11px/20px var(--f-mono);text-align:center}

/* hub + topic pages */
.blog .bl-main .lead{font-size:18px;line-height:1.6;color:var(--ink-2);margin:0 0 20px}
.blog .band{display:grid;gap:14px;padding:18px 20px;border-radius:16px;background:var(--raised);border:1px solid var(--line);border-left:4px solid var(--cobalt);margin:0 0 22px}
.blog .bl-main .band p{margin:0;font-size:15.5px}
.blog .bl-main .band .t{font-family:var(--f-display);font-size:20px;color:var(--ink);margin-bottom:4px}
.blog .chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 8px}
.blog .chips a{display:inline-flex;align-items:center;gap:7px;min-height:36px;padding:0 13px;border-radius:999px;border:1px solid var(--line);background:var(--raised);font-size:14px;font-weight:600;color:var(--ink-2);text-decoration:none}
.blog .chips a i{width:8px;height:8px;border-radius:50%;background:var(--c)}
.blog .chips a:hover{border-color:var(--line-strong);color:var(--ink)}
.blog .chips a[aria-current]{background:var(--ink);border-color:var(--ink);color:var(--surface)}
.blog .bl-main .start h2,.blog .bl-main section>h2#latest-h{font-size:20px;margin:32px 0 0}
.blog .cards .tg{display:inline-flex;align-items:center;gap:6px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.05em;text-transform:uppercase;color:var(--ink-3);margin-bottom:6px}
.blog .cards .tg::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--c)}
.blog .cards .tx{display:block;min-width:0}
.blog .cards.thumbs a{display:grid;grid-template-columns:200px minmax(0,1fr);gap:18px;align-items:start}
.blog .cards .th{width:100%;height:auto;aspect-ratio:1200/630;border-radius:10px;display:block;background:var(--sunken);object-fit:cover}
.blog .start .cards a{border-left:4px solid var(--coral)}
@media (max-width:640px){.blog .cards.thumbs a{grid-template-columns:1fr}.blog .cards .th{display:none}}

/* mobile bar */
.blog .mbar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;align-items:center;gap:10px;padding:10px 12px calc(10px + env(safe-area-inset-bottom,0px)) 16px;background:var(--raised);border-top:1px solid var(--line);box-shadow:0 -10px 24px -14px rgba(14,17,23,.35);transform:translateY(110%);transition:transform .25s ease-out}
.blog .mbar.on{transform:none}
.blog .mbar span{flex:1;min-width:0;font-size:14px;font-weight:600;line-height:1.3;color:var(--ink)}
.blog .mbar .btn{min-height:40px;padding:0 14px;flex:none}
.blog .mbar-x{flex:none;width:36px;height:36px;border:0;border-radius:8px;background:transparent;color:var(--ink-3);font-size:22px;line-height:1;cursor:pointer}
@media (min-width:1180px){.blog .mbar{display:none}}
@media (prefers-reduced-motion:reduce){.blog .mbar{transition:none}}
.blog :focus-visible{outline:2px solid var(--cobalt);outline-offset:2px}
.blog .bl-main .btn,.blog .side-cta .btn{white-space:normal;text-align:center;line-height:1.25;max-width:100%;padding-top:8px;padding-bottom:8px}

/* illustrations from [[timeline|…]], [[chart|…]], [[checklist|…]] (api/blog.js ILLUS) */
.blog .bl-main figure.ill{margin:22px 0 24px;padding:16px 16px 12px;background:var(--raised);border:1px solid var(--line);border-radius:14px;display:grid;gap:10px}
.blog .bl-main figure.ill figcaption{display:flex;justify-content:flex-end}
.blog .bl-main figure.ill .t{margin:0;font-family:var(--f-display);font-size:16px;font-weight:700;color:var(--ink);line-height:1.3}
.blog .ill-tl ol{list-style:none;margin:0;padding:22px 0 0;display:grid;grid-template-columns:repeat(var(--n),minmax(0,1fr));gap:10px;position:relative}
.blog .ill-tl ol::before{content:"";position:absolute;left:0;right:0;top:27px;height:2px;background:var(--line-strong);opacity:.6;border-radius:2px}
.blog .ill-tl li{margin:0;display:flex;flex-direction:column;gap:6px;min-width:0;position:relative}
.blog .ill-tl .day{position:absolute;top:-22px;left:0;font-family:var(--f-mono);font-size:10.5px;color:var(--ink-3);text-transform:capitalize;white-space:nowrap}
.blog .ill-tl .dot{width:12px;height:12px;border-radius:50%;background:var(--c);box-shadow:0 0 0 3px var(--raised);position:relative;z-index:1}
.blog .ill-tl .card{display:block;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--c);border-radius:8px;padding:7px 9px;font-size:13px;line-height:1.3;color:var(--ink)}
.blog .ill-tl .card small{display:block;font-family:var(--f-mono);font-size:10px;color:var(--ink-3);margin-bottom:2px}
.blog .ill-tl li.m{--c:var(--coral)}
.blog .ill-tl li.m .dot{width:16px;height:16px;margin-top:-2px;box-shadow:0 0 0 3px var(--raised),0 0 0 7px var(--coral-soft)}
.blog .ill-tl li.m .day{color:var(--coral-ink);font-weight:600}
.blog .ill-tl li.m .card{background:var(--coral-soft);border-color:transparent;font-weight:600}
@media (max-width:640px){
  .blog .ill-tl ol{grid-template-columns:1fr;padding:0 0 0 22px;gap:12px}
  .blog .ill-tl ol::before{left:5px;right:auto;top:6px;bottom:6px;width:2px;height:auto}
  .blog .ill-tl li{display:grid;grid-template-columns:52px minmax(0,1fr);align-items:center;gap:8px}
  .blog .ill-tl .day{position:static}
  .blog .ill-tl .dot{position:absolute;left:-22px;top:50%;margin-top:-6px}
  .blog .ill-tl li.m .dot{margin-top:-8px;left:-24px}
}
.blog .ill-chart svg{width:100%;height:auto;aspect-ratio:600/180;display:block;overflow:visible}
.blog .bl-main .ill-chart .t{display:flex;justify-content:space-between;align-items:baseline;gap:12px;flex-wrap:wrap}
.blog .ill-chart .g{stroke:var(--line);stroke-width:1}
.blog .ill-chart .a{fill:var(--cobalt-soft);opacity:.8}
.blog .ill-chart .l{fill:none;stroke:var(--cobalt);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round;vector-effect:non-scaling-stroke}
.blog .ill-chart .mk{stroke:var(--coral);stroke-width:2;stroke-dasharray:4 4;vector-effect:non-scaling-stroke}
.blog .ill-chart .pt{fill:var(--coral);stroke:var(--raised);stroke-width:2}
.blog .ill-chart .lb{display:inline-flex;align-items:center;gap:6px;font:600 12px var(--f-mono);color:var(--coral-ink);background:var(--coral-soft);border-radius:6px;padding:3px 8px}
.blog .bl-main .ill-check ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
.blog .bl-main .ill-check li{margin:0;display:flex;gap:10px;align-items:flex-start;font-size:16px;line-height:1.5;color:var(--ink-2)}
.blog .bl-main .ill-check li::before{content:"✓";flex:none;width:20px;height:20px;margin-top:2px;border-radius:6px;background:var(--cobalt-soft);color:var(--cobalt);font:700 13px/20px var(--f-sans);text-align:center}
/* "Read also" line inside posts (internal links, 2026-10-23) */
.blog .bl-main p.also{margin:24px 0;padding:12px 16px;border:1px solid var(--line);border-left:3px solid var(--cobalt);border-radius:0 10px 10px 0;background:var(--raised);font-size:15px;line-height:1.55}
.blog .bl-main p.also b{font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);margin-right:4px}