*{box-sizing:border-box}
body{margin:0;font-family:'Instrument Sans',system-ui,sans-serif;background:#F5F4EF;color:#0B1210;-webkit-font-smoothing:antialiased;line-height:1.6}
a{color:inherit}
.wrap{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,48px)}
.site-h{position:sticky;top:0;z-index:10;background:rgba(245,244,239,.9);backdrop-filter:blur(10px);border-bottom:1px solid rgba(11,18,16,.08)}
.site-h .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;text-decoration:none}
.brand b{color:#5B5FE0;font-weight:700}
.site-nav{display:flex;gap:22px;align-items:center;font-size:15px}
.site-nav a{text-decoration:none;color:#4A4038}
.site-nav a:hover{color:#0B1210}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 22px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;background:#0B1210;color:#fff!important}
.btn:hover{background:#2E2318}
.btn-acc{background:#5B5FE0}.btn-acc:hover{background:#7A73FF}
.eyebrow{font-family:'JetBrains Mono',ui-monospace,monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#5B5FE0}
.serif{font-family:'Instrument Serif',Georgia,serif;font-weight:400}
.crumbs{font-size:14px;color:#6B6156;margin:32px 0 0}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
/* article */
.post{max-width:760px;margin:0 auto;padding:0 0 72px}
.post h1{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:clamp(38px,5.6vw,62px);line-height:1.04;letter-spacing:-.015em;margin:18px 0 18px;text-wrap:balance}
.post .lede{font-size:clamp(18px,1.8vw,21px);color:#4A4038;margin:0 0 20px}
.meta{font-size:14px;color:#6B6156;display:flex;gap:6px 18px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(11,18,16,.12)}
.post h2{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:clamp(28px,3.4vw,38px);line-height:1.12;margin:52px 0 14px;letter-spacing:-.01em}
.post h3{font-size:20px;margin:30px 0 8px}
.post p,.post li{font-size:18px;color:#2A2622}
.post ul,.post ol{padding-left:22px}
.post li{margin:6px 0}
.post a{color:#5B5FE0}
.post strong{color:#0B1210}
.post table{width:100%;border-collapse:collapse;margin:24px 0;font-size:16px;display:block;overflow-x:auto}
.post th,.post td{text-align:left;padding:12px 14px;border-bottom:1px solid rgba(11,18,16,.12);vertical-align:top}
.post th{background:#EAE7DE;font-weight:600}
.post caption{caption-side:bottom;font-size:14px;color:#6B6156;padding-top:8px;text-align:left}
.tldr{background:#fff;border:1px solid rgba(11,18,16,.1);border-left:4px solid #5B5FE0;border-radius:14px;padding:20px 24px;margin:28px 0}
.tldr p{margin:0}
.toc{background:#EFECE4;border-radius:14px;padding:18px 24px;margin:28px 0}
.toc strong{display:block;margin-bottom:6px}
.toc ol{margin:0}.toc li{font-size:16px}
.cta{background:#0B1210;color:#fff;border-radius:22px;padding:clamp(28px,4vw,44px);margin:56px 0 0}
.cta h2{color:#fff;margin-top:0}
.cta p{color:#CFC8BC}
.related{margin-top:48px}
.related ul{list-style:none;padding:0}
.related li{border-top:1px solid rgba(11,18,16,.12);padding:14px 0;margin:0}
.related a{text-decoration:none;font-weight:600;color:#0B1210}
.related a:hover{color:#5B5FE0}
/* index */
.hero-b{padding:clamp(40px,7vw,88px) 0 24px}
.hero-b h1{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:clamp(42px,6.5vw,80px);line-height:1;margin:14px 0 16px;letter-spacing:-.02em;text-wrap:balance}
.hero-b p{font-size:19px;color:#4A4038;max-width:640px;margin:0}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;padding:24px 0 88px}
.card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid rgba(11,18,16,.1);border-radius:20px;padding:26px;text-decoration:none;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 18px 40px -20px rgba(11,18,16,.35)}
.card h2{font-family:'Instrument Serif',Georgia,serif;font-weight:400;font-size:27px;line-height:1.12;margin:0}
.card p{margin:0;color:#4A4038;font-size:16px}
.card.pillar{grid-column:1/-1;background:#0B1210;color:#fff}
.card.pillar p{color:#CFC8BC}.card.pillar .eyebrow{color:#9A94FF}
.site-f{background:#0B1210;color:#A79A85;padding:32px 0 40px;font-size:14px}
.site-f .wrap{display:flex;justify-content:space-between;gap:12px 28px;flex-wrap:wrap}
.site-f a{color:#fff;text-decoration:none}
@media(max-width:640px){.site-nav .hide-m{display:none}.site-nav{gap:14px}.btn{min-height:40px;padding:0 16px;font-size:14px}}