:root{
  --bg:#f6f8fc;--panel:#fff;--text:#172033;--muted:#667085;--line:#e4e7ec;
  --primary:#2563eb;--primary-dark:#1d4ed8;--soft:#eef4ff;--success:#067647;
  --shadow:0 18px 45px rgba(15,23,42,.07)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);line-height:1.7}a{color:var(--primary)}
.site-nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.site-nav-inner{width:min(1080px,calc(100% - 30px));margin:auto;min-height:66px;display:flex;align-items:center;gap:18px}.brand{color:var(--text);font-size:20px;font-weight:900;letter-spacing:-.035em;text-decoration:none}.brand span{color:var(--primary)}
.nav-links{margin-left:auto;display:flex;gap:6px;align-items:center;flex-wrap:wrap}.nav-links a{color:#475467;text-decoration:none;font-size:14px;font-weight:720;padding:8px 10px;border-radius:9px}.nav-links a:hover,.nav-links a.active{background:#f2f4f7;color:#101828}.menu-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;padding:8px 10px;border-radius:9px;font-weight:700}
.wrap{width:min(1080px,calc(100% - 30px));margin:0 auto}.hero{padding:58px 0 32px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#1849a9;background:var(--soft);border:1px solid #d1e0ff;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:850;text-transform:uppercase;letter-spacing:.08em}
h1{font-size:clamp(38px,6vw,60px);line-height:1.05;letter-spacing:-.045em;margin:15px 0 16px;max-width:900px}h2{font-size:clamp(26px,4vw,36px);line-height:1.18;letter-spacing:-.025em;margin:38px 0 12px}h3{font-size:21px;line-height:1.3;margin:28px 0 9px}.lead{font-size:19px;color:#475467;max-width:800px;margin:0}.meta{color:var(--muted);font-size:14px;margin-top:15px}.meta a{text-decoration:none}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;align-items:start;padding-bottom:70px}.article-card,.panel{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow)}.article-card{padding:clamp(24px,4vw,44px)}.article-card p,.article-card li{color:#344054}.article-card p{margin:0 0 16px}.article-card ul,.article-card ol{padding-left:22px}.article-card li{margin:7px 0}.article-card strong{color:#172033}.article-card blockquote{margin:22px 0;padding:16px 18px;border-left:4px solid var(--primary);background:#f8fbff;color:#344054;border-radius:0 12px 12px 0}.article-card .callout{margin:24px 0;background:var(--soft);border:1px solid #d1e0ff;border-radius:14px;padding:17px}.article-card .callout p:last-child{margin-bottom:0}.article-card .cta-box{margin-top:36px;background:#172033;color:#fff;border-radius:18px;padding:24px}.article-card .cta-box p{color:#d0d5dd}.article-card .cta-box a{display:inline-flex;background:#fff;color:#172033;text-decoration:none;font-weight:850;padding:10px 14px;border-radius:10px}
.toc{position:sticky;top:86px;padding:20px}.toc strong{display:block;margin-bottom:10px}.toc a{display:block;color:#475467;text-decoration:none;font-size:14px;padding:5px 0}.toc a:hover{color:var(--primary)}
.blog-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;padding:6px 0 70px}.blog-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(15,23,42,.04)}.blog-card h2{font-size:24px;margin:10px 0 8px}.blog-card p{color:var(--muted);margin:0 0 16px}.blog-card .tag{font-size:12px;font-weight:850;color:var(--primary);text-transform:uppercase;letter-spacing:.06em}.blog-card a.read{font-weight:850;text-decoration:none}.blog-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center}.blog-card.featured h2{font-size:32px}.btn{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;border-radius:11px;padding:11px 16px;font-weight:850;background:var(--primary);color:#fff}.btn:hover{background:var(--primary-dark)}
.related{margin-top:42px;border-top:1px solid var(--line);padding-top:25px}.related-links{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.related-links a{background:#f8fafc;border:1px solid var(--line);padding:13px;border-radius:12px;text-decoration:none;font-weight:750;color:#344054}.related-links a:hover{border-color:#b2ccff;color:var(--primary)}
.footer{border-top:1px solid var(--line);padding:30px 0 40px;color:var(--muted);font-size:14px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer a{color:#475467;text-decoration:none;margin-left:14px}
@media(max-width:840px){.content-grid{grid-template-columns:1fr}.toc{position:static;order:-1}.blog-grid{grid-template-columns:1fr}.blog-card.featured{grid-column:auto;display:block}.nav-links{display:none;position:absolute;left:15px;right:15px;top:60px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;flex-direction:column;align-items:stretch}.nav-links.open{display:flex}.menu-toggle{display:block}.nav-links a{text-align:center}.related-links{grid-template-columns:1fr}}
@media(max-width:560px){.hero{padding-top:42px}h1{font-size:40px}.article-card{padding:22px 18px}}