:root{
  --ink:#17162b;--muted:#67667b;--bg:#f7f7fb;--card:#ffffff;--line:#dedee8;
  --primary:#6e5cf6;--primary-2:#5142d7;--accent:#c9ff62;--accent-2:#efffd0;
  --shadow:0 18px 50px rgba(34,32,69,.08);--radius:22px;--max:1160px;
}
*{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;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--primary-2);text-decoration-thickness:.08em;text-underline-offset:.16em}
img{max-width:100%}.wrap{width:min(var(--max),calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(247,247,251,.93);backdrop-filter:blur(12px);border-bottom:1px solid rgba(222,222,232,.9)}
.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{width:210px;display:block}.navlinks{display:flex;gap:22px;align-items:center}.navlinks a{color:var(--ink);text-decoration:none;font-weight:650;font-size:.95rem}.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:999px;font-weight:800;text-decoration:none}.nav-cta{background:var(--ink)!important;color:white!important}
.menu-btn{display:none;border:1px solid var(--line);background:white;border-radius:12px;padding:9px 12px}
.hero{padding:88px 0 64px}.eyebrow{font-weight:800;text-transform:uppercase;letter-spacing:.11em;font-size:.78rem;color:var(--primary-2)}
h1,h2,h3{line-height:1.08;letter-spacing:-.03em}h1{font-size:clamp(2.6rem,7vw,5.8rem);max-width:960px;margin:.18em 0 .25em}h2{font-size:clamp(1.8rem,3.7vw,3rem);margin:0 0 .55em}h3{font-size:1.3rem}
.lede{font-size:clamp(1.12rem,2vw,1.35rem);color:var(--muted);max-width:760px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}.btn-primary{background:var(--primary);color:white}.btn-secondary{background:white;color:var(--ink);border:1px solid var(--line)}.btn-accent{background:var(--accent);color:var(--ink)}
.grid{display:grid;gap:20px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}.card h3{margin-top:0}.card p:last-child{margin-bottom:0}
.section{padding:64px 0}.section-tight{padding:38px 0}.soft{background:#efeff8}.accent-band{background:var(--ink);color:white}.accent-band p{color:#d7d7e5}
.kicker{font-size:.9rem;font-weight:800;color:var(--primary-2)}.meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:.92rem}
.article-layout{display:grid;grid-template-columns:minmax(0,760px) 280px;gap:56px;align-items:start}.article{background:white;border:1px solid var(--line);border-radius:var(--radius);padding:38px;box-shadow:var(--shadow)}.article h2{font-size:2rem;margin-top:1.5em}.article h3{margin-top:1.35em}.article ul,.article ol{padding-left:1.3em}
.sidebar{position:sticky;top:98px}.toc,.cta-box,.note{background:white;border:1px solid var(--line);border-radius:18px;padding:20px;margin-bottom:18px}.toc a{display:block;padding:6px 0;text-decoration:none}.cta-box{background:var(--ink);color:white}.cta-box p{color:#d9d8e5}.cta-box .btn{width:100%;background:var(--accent);color:var(--ink)}
.breadcrumbs{font-size:.92rem;color:var(--muted);padding-top:24px}.breadcrumbs a{color:inherit}
.compare{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border:1px solid var(--line);border-radius:16px}.compare th,.compare td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.compare th{background:#f1f0fb}.compare tr:last-child td{border-bottom:0}
.disclosure{font-size:.92rem;color:var(--muted);background:var(--accent-2);border:1px solid #d6ef9c;border-radius:14px;padding:14px 16px}
.source-list{font-size:.92rem;color:var(--muted)}.source-list li{margin:.45em 0}
.related a{display:block;background:white;border:1px solid var(--line);border-radius:16px;padding:16px;text-decoration:none;font-weight:750;color:var(--ink)}
.footer{padding:54px 0;border-top:1px solid var(--line);margin-top:72px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.footer a{display:block;margin:.4em 0;color:var(--muted);text-decoration:none}.tiny{font-size:.86rem;color:var(--muted)}
.tag{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:5px 10px;font-size:.8rem;font-weight:750;margin:3px 6px 3px 0;background:white}
.callout{border-left:5px solid var(--primary);padding:18px 20px;background:#f3f1ff;border-radius:0 14px 14px 0}
@media(max-width:900px){
  .grid-3,.grid-2,.article-layout,.footer-grid{grid-template-columns:1fr}.sidebar{position:static}.navlinks{display:none;position:absolute;left:18px;right:18px;top:70px;background:white;border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch}.navlinks.open{display:flex}.menu-btn{display:block}.article{padding:24px}.hero{padding-top:56px}
}