/* SessionInsight blog — shared by /blog/ and every /blog/<slug>/ page. Same tokens as the landing. */
:root{
  --bg:#F9F8F6; --fg:#161412; --muted:#6b6b6b; --line:rgba(0,0,0,.06); --line2:rgba(0,0,0,.1);
  --card:#fff; --lime:#84cc16; --lime-soft:#ecf7d9; --lime-pastel:#ecf6da; --lime-ink:#3f6212;
  --serif:"Newsreader",Georgia,serif; --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif; --mono:"JetBrains Mono",ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:1240px;margin:0 auto;border-left:1px solid var(--line);border-right:1px solid var(--line);background:var(--bg);min-height:100vh}
.pad{padding-inline:clamp(16px,4vw,48px)}
.eyebrow{font:500 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
h1,h2,h3{font-family:var(--serif);font-weight:400;letter-spacing:-.02em;margin:0}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:10px;background:var(--fg);color:#fff;border-radius:12px;padding:15px 24px;font-weight:500;font-size:16px;text-decoration:none;box-shadow:0 1px 0 rgba(255,255,255,.15) inset,0 6px 16px -6px rgba(0,0,0,.5);transition:transform .15s ease}
.btn:hover{transform:translateY(-1px)}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:9px}

/* nav */
.top{position:sticky;top:0;z-index:50;background:rgba(249,248,246,.85);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-in{height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px;max-width:1240px;margin:0 auto}
.logo{display:flex;align-items:center;text-decoration:none}
.logo img{height:48px;width:auto;display:block}
@media (max-width:420px){.logo img{height:40px}}
.nav-links{display:flex;gap:32px;font-size:14px;color:#3d3a37}
.nav-links a{text-decoration:none}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--fg)}
.nav-links a[aria-current]{font-weight:500}
.nav-cta{display:flex;align-items:center;gap:18px;font-size:14px}
.nav-cta a{text-decoration:none}
@media (max-width:860px){.nav-links,.nav-login{display:none}}

/* breadcrumbs */
.crumbs{font-size:13px;color:var(--muted);padding-top:32px}
.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.crumbs li+li::before{content:"/";margin-right:6px;color:#b5b0a8}
.crumbs a{text-decoration:none}.crumbs a:hover{color:var(--fg)}

/* blog index */
.blog-head{padding-block:48px 40px;max-width:760px;display:grid;gap:16px}
.blog-head h1{font-size:clamp(40px,5.4vw,64px);line-height:1.05}
.blog-head p{font-size:18px;color:#4a4744;font-weight:300}
.posts{display:grid;gap:0;border-top:1px solid var(--line2);margin-bottom:80px}
.post-card{display:grid;grid-template-columns:minmax(0,340px) 1fr;gap:clamp(20px,4vw,48px);padding-block:36px;border-bottom:1px solid var(--line2);align-items:center}
.post-card img{border-radius:14px;aspect-ratio:1200/630;object-fit:cover;width:100%;border:1px solid var(--line)}
.post-card h2{font-size:clamp(26px,3vw,34px);line-height:1.15;margin:10px 0 12px}
.post-card h2 a{text-decoration:none}.post-card h2 a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
.post-card p{color:#4a4744;margin:0 0 16px}
.post-meta{font-size:13px;color:var(--muted);display:flex;flex-wrap:wrap;gap:6px 14px}
.read-more{font-weight:500;font-size:15px;text-decoration:none;border-bottom:1px solid var(--line2);padding-bottom:2px}
.read-more:hover{border-color:var(--fg)}
@media (max-width:720px){.post-card{grid-template-columns:1fr}}

/* article */
.article{max-width:760px;margin:0 auto;padding-bottom:40px}
.article-head{padding-block:28px 32px;display:grid;gap:18px}
.article-head h1{font-size:clamp(36px,5vw,58px);line-height:1.06}
.article-head .dek{font-size:19px;line-height:1.55;color:#4a4744;font-weight:300}
.cover{margin:0 0 40px;border-radius:18px;overflow:hidden;border:1px solid var(--line)}
.prose{font-size:17.5px;line-height:1.75;color:#262320}
.prose>*+*{margin-top:1.1em}
.prose h2{font-size:clamp(28px,3.4vw,36px);line-height:1.15;margin-top:2.2em;scroll-margin-top:84px}
.prose h3{font-size:23px;line-height:1.25;margin-top:1.8em;scroll-margin-top:84px}
.prose p,.prose ul,.prose ol{margin-bottom:0}
.prose ul,.prose ol{padding-left:1.3em}
.prose li+li{margin-top:.45em}
.prose a{text-decoration:underline;text-decoration-color:var(--lime);text-decoration-thickness:2px;text-underline-offset:3px}
.prose a:hover{text-decoration-color:var(--fg)}
.prose strong{font-weight:600}
.prose .answer{font-size:19px;background:#fff;border:1px solid var(--line2);border-left:4px solid var(--lime);border-radius:12px;padding:20px 24px}
.takeaways{background:var(--lime-pastel);border-radius:16px;padding:22px 26px}
.takeaways h2{font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;color:var(--lime-ink)}
.takeaways ul{margin:0}
.toc{border:1px solid var(--line2);border-radius:16px;padding:20px 26px;background:#fff}
.toc h2{font:600 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;margin:0 0 12px;color:var(--muted)}
.toc ol{margin:0;font-size:16px}
.toc a{text-decoration:none}.toc a:hover{text-decoration:underline}
.table-wrap{overflow-x:auto;border:1px solid var(--line2);border-radius:14px;background:#fff}
.prose table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;min-width:560px}
.prose th,.prose td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.prose th{font-weight:600;background:#faf9f7}
.prose tr:last-child td{border-bottom:0}
.cta-box{background:var(--fg);color:#e7e4de;border-radius:18px;padding:32px;display:grid;gap:14px;margin-top:2.4em}
.cta-box h2{color:#fff;font-size:30px;margin:0}
.cta-box p{margin:0;color:#b9b4ad}
.cta-box .btn{background:#fff;color:var(--fg);width:fit-content;text-decoration:none}
.cta-box small{font-size:13px;color:#8b8680}
.sources{font-size:14px;color:var(--muted)}
.sources ol{padding-left:1.2em}

/* FAQ (same look as the landing) */
.faq{border-top:1px solid var(--line2);margin-top:1.2em}
.faq details{border-bottom:1px solid var(--line2)}
.faq summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font:400 20px/1.35 var(--serif);position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:16px;font:300 26px var(--sans);color:var(--muted);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 40px 22px 0;margin:0;color:#4a4744;font-size:16px}

/* author + related */
.author{display:flex;gap:16px;align-items:center;border-top:1px solid var(--line2);border-bottom:1px solid var(--line2);padding-block:24px;margin-top:48px;font-size:14px;color:var(--muted)}
.author img{width:44px;height:44px;border-radius:10px;background:var(--lime-pastel);padding:7px;flex:none}
.author b{display:block;color:var(--fg);font-weight:500}
.related{margin-top:48px;display:grid;gap:14px}
.related h2{font-size:28px}
.related ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.related a{display:block;padding:16px 20px;background:#fff;border:1px solid var(--line2);border-radius:12px;text-decoration:none}
.related a:hover{border-color:var(--fg)}
.related small{display:block;color:var(--muted);font-size:13px;margin-top:2px}

/* footer */
footer{border-top:1px solid var(--line);padding-block:40px;display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted)}
footer nav{display:flex;gap:22px;flex-wrap:wrap}
footer a{text-decoration:none}

/* vision page (2026-09-11): the brand field (lime panel, values copied from the landing hero art) */
.prose .field{position:relative;isolation:isolate;overflow:hidden;border-radius:18px;padding:clamp(30px,5vw,52px);display:grid;gap:14px;
  background:radial-gradient(90% 70% at 88% 8%,rgba(255,255,255,.22),transparent 60%),linear-gradient(160deg,#9ee23c 0%,#8bdc20 48%,#79c615 100%)}
.prose .field::before{content:"";position:absolute;inset:0;z-index:-1;opacity:.05;pointer-events:none;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.prose .field::after{content:"";position:absolute;z-index:-1;right:-12%;bottom:-16%;width:62%;aspect-ratio:450/501;pointer-events:none;background:url("/assets/logo.png") center/contain no-repeat;opacity:.35;mix-blend-mode:multiply;-webkit-mask-image:linear-gradient(200deg,#000 25%,transparent 90%);mask-image:linear-gradient(200deg,#000 25%,transparent 90%)}
.prose .field .field-label{font:500 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--lime-ink)}
.prose .field p{font-family:var(--serif);font-weight:400;font-size:clamp(24px,3.4vw,40px);line-height:1.12;letter-spacing:-.02em;color:var(--fg);margin:0}
.prose .field .field-by{font-size:14px;color:var(--lime-ink)}
@media (max-width:620px){.prose .field::after{width:88%;right:-18%;bottom:-18%;opacity:.28}}

/* vision page: the numbered beliefs list (cards, border only, no shadow) */
.prose .beliefs{list-style:none;padding-left:0;counter-reset:b;display:grid;gap:14px}
.prose .beliefs>li{counter-increment:b;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px 28px;display:grid;gap:8px}
.prose .beliefs>li::before{content:counter(b,decimal-leading-zero);font:500 11px/1 var(--mono);letter-spacing:.18em;color:var(--lime-ink)}
.prose .beliefs h3{font-size:23px;line-height:1.2;margin:0}
.prose .beliefs p{margin:0;color:#4a4744;font-size:16.5px;line-height:1.65}

/* author byline links to /vision/ */
.author a{text-decoration:none}
.author a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}