/* Cognatu blog — one stylesheet for the index and every post.
 *
 * Rules that differ between the two live under body.blog-index / body.blog-post;
 * everything above that line is shared. Adding a post means writing prose, not
 * copying 60 lines of CSS that then drift.
 */
:root{
  --paper:#FBFAF7; --ink:#191817; --faint:#8A857B; --line:#E4E1D8;
  --accent:#1F6FE3; --accent-wash:#E9F1FC;
  --serif:'Newsreader',Georgia,serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--paper);color:var(--ink);font-family:var(--serif);min-height:100vh;display:flex;flex-direction:column}

/* ── shared chrome ───────────────────────────────────────────────────────── */
header.site{display:flex;align-items:center;gap:10px;padding:22px clamp(20px,5vw,48px);border-bottom:1px solid var(--line);font-family:var(--sans)}
header.site img{width:26px;height:26px}
header.site .brand{display:flex;align-items:center;gap:10px;color:inherit;border-bottom:none;text-decoration:none}
header.site .name{font-weight:600;font-size:16px;letter-spacing:-.01em}
header.site nav{margin-left:auto;display:flex;gap:26px;font-size:14px}
header.site nav a{color:var(--faint);text-decoration:none;border-bottom:none}
header.site nav a:hover{color:var(--ink)}
header.site nav a.active{color:var(--ink)}
footer.site{border-top:1px solid var(--line);padding:26px clamp(20px,5vw,48px);font-family:var(--sans);font-size:13px;color:var(--faint);display:flex;gap:8px;align-items:center}
footer.site img{width:18px;height:18px;opacity:.85}
.kicker{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.meta{font-family:var(--sans);color:var(--faint)}

/* ── index ───────────────────────────────────────────────────────────────── */
body.blog-index{line-height:1.65;font-size:18px}
body.blog-index a{text-decoration:none;color:inherit}
body.blog-index .wrap{flex:1;width:100%;max-width:1020px;margin:0 auto;padding:0 20px}
body.blog-index .masthead{padding:54px 0 40px}
body.blog-index .masthead h1{font-size:clamp(32px,5vw,44px);font-weight:600;letter-spacing:-.015em}
body.blog-index .masthead p{font-family:var(--sans);font-size:15.5px;color:var(--faint);margin-top:8px;max-width:52ch}
body.blog-index .meta{font-size:13.5px}
/* Every post gets the full-width card, stacked newest-first, covers alternating
   sides (.flip). Looks intentional at two posts and at ten. */
.posts{display:flex;flex-direction:column;gap:28px}
.post{display:grid;grid-template-columns:1.05fr 1fr;gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff;transition:box-shadow .15s}
.post:hover{box-shadow:0 6px 28px rgba(25,24,23,.08)}
.post .cover{background:var(--accent-wash);display:flex;align-items:center;padding:28px;border-right:1px solid var(--line)}
.post.flip .cover{order:2;border-right:none;border-left:1px solid var(--line)}
.post .cover img{width:100%;height:auto;border-radius:12px}
.post .body{padding:clamp(24px,4vw,44px);display:flex;flex-direction:column;justify-content:center}
.post h2{font-size:clamp(24px,3vw,32px);font-weight:600;letter-spacing:-.01em;line-height:1.2;margin:10px 0 12px}
.post:hover h2{color:var(--accent)}
.post .excerpt{font-size:17px;color:var(--ink);opacity:.85;margin-bottom:18px}
.readmore{font-family:var(--sans);font-size:14px;font-weight:600;color:var(--accent);margin-top:16px}
.cta{margin:56px 0 64px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(135deg,var(--accent-wash),#fff 65%);padding:clamp(26px,4vw,40px);display:flex;align-items:center;gap:24px;flex-wrap:wrap}
.cta .txt{flex:1;min-width:260px}
.cta h3{font-size:22px;font-weight:600;letter-spacing:-.01em}
.cta p{font-family:var(--sans);font-size:14.5px;color:var(--faint);margin-top:6px;max-width:56ch}
.cta a.btn{font-family:var(--sans);font-size:14.5px;font-weight:600;color:#fff;background:var(--accent);padding:12px 22px;border-radius:10px;white-space:nowrap}
.cta a.btn:hover{filter:brightness(1.07)}

/* ── post ────────────────────────────────────────────────────────────────── */
body.blog-post{line-height:1.7;font-size:19px}
body.blog-post a{color:var(--accent);text-decoration:none;border-bottom:1px solid rgba(31,111,227,.3)}
body.blog-post a:hover{border-bottom-color:var(--accent)}
article{max-width:680px;width:100%;margin:0 auto;padding:56px 20px 40px;flex:1}
article .kicker{font-size:13px;margin-bottom:18px}
article h1{font-size:clamp(34px,6vw,46px);line-height:1.15;font-weight:600;letter-spacing:-.015em;margin-bottom:18px}
article .standfirst{font-size:21px;line-height:1.45;color:var(--ink);opacity:.72;font-style:italic;margin-bottom:20px}
body.blog-post .meta{font-size:14px;margin-bottom:44px;padding-bottom:28px;border-bottom:1px solid var(--line)}
article h2{font-size:27px;font-weight:600;letter-spacing:-.01em;margin:44px 0 14px}
article p{margin-bottom:20px}
article ul{margin:0 0 20px 24px}
article li{margin-bottom:8px}
article strong{font-weight:600}
figure{margin:34px 0}
figure img{width:100%;height:auto;display:block;border-radius:16px}
figcaption{font-family:var(--sans);font-size:13.5px;color:var(--faint);text-align:center;margin-top:12px;line-height:1.5}
.pull{background:var(--accent-wash);border-left:3px solid var(--accent);border-radius:0 12px 12px 0;padding:18px 22px;margin:28px 0;font-size:20px;font-style:italic}
.rule{margin-bottom:16px}
.rule b{font-weight:600}
article hr{border:none;border-top:1px solid var(--line);margin:46px 0 30px}
sup.cite{font-family:var(--sans);font-size:11.5px;line-height:0;font-weight:600}
sup.cite a{border-bottom:none;padding:0 1px}
.sources{font-family:var(--sans);font-size:14px;color:var(--faint)}
.sources h3{font-size:13px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:12px}
.sources ol{margin:0 0 26px 22px}
.sources li{margin-bottom:8px;line-height:1.55;padding-left:4px}
.sources li:target{background:var(--accent-wash);border-radius:6px}
.sources li::marker{font-weight:600;color:var(--ink)}
.tagline{font-family:var(--sans);font-size:14.5px;color:var(--faint);font-style:italic}
/* end-of-post call to action */
.endcta{border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,var(--accent-wash),#fff 70%);padding:clamp(24px,4vw,34px);margin:46px 0 10px;font-family:var(--sans)}
.endcta .eyebrow{font-size:12px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:10px}
.endcta h3{font-family:var(--serif);font-size:24px;font-weight:600;letter-spacing:-.01em;margin-bottom:10px}
.endcta p{font-size:15px;color:var(--faint);line-height:1.6;margin-bottom:20px;max-width:52ch}
.endcta .btn{display:inline-block;font-size:14.5px;font-weight:600;color:#fff;background:var(--accent);padding:12px 22px;border-radius:10px;border-bottom:none}
.endcta .btn:hover{filter:brightness(1.07)}
.endcta .alt{font-size:14.5px;font-weight:500;margin-left:18px;border-bottom:none}
.endcta .alt:hover{border-bottom:1px solid var(--accent)}
.readnext{font-family:var(--sans);font-size:14.5px;color:var(--faint);margin:26px 0 0}
.readnext a{font-weight:600;border-bottom:none}
.readnext a:hover{border-bottom:1px solid var(--accent)}
body.blog-post footer.site{margin-top:40px}

@media (max-width:760px){
  .post{grid-template-columns:1fr}
  .post .cover,.post.flip .cover{order:0;border-right:none;border-left:none;border-bottom:1px solid var(--line)}
}