:root{
  --ink:#12212b;--muted:#5b6972;--paper:#fbfcfa;--panel:#fff;--line:#dfe7e3;
  --brand:#0b6b5f;--brand2:#e7f5f1;--accent:#f3a712;--shadow:0 14px 38px rgba(18,33,43,.08);
  --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(--paper);line-height:1.68}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}
img{max-width:100%}.wrap{width:min(var(--max),92vw);margin:auto}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px;z-index:99}
header{position:sticky;top:0;z-index:20;background:rgba(251,252,250,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;gap:22px;min-height:72px}
.logo{font-size:1.18rem;font-weight:850;letter-spacing:-.03em;color:var(--ink);text-decoration:none;white-space:nowrap}
.logo span{color:var(--brand)} nav{display:flex;gap:16px;align-items:center;margin-left:auto}
nav a{font-size:.93rem;color:#30424d;text-decoration:none;font-weight:650}
.cta{display:inline-flex;align-items:center;justify-content:center;border-radius:10px;padding:11px 16px;background:var(--brand);color:#fff!important;text-decoration:none;font-weight:800;border:0}
.cta:hover{filter:brightness(.94)} .cta.alt{background:var(--ink)} .cta.ghost{background:var(--brand2);color:var(--brand)!important}
.menu{display:none;background:none;border:0;font-size:1.3rem}
.hero{padding:74px 0 48px;background:linear-gradient(135deg,#eff8f5,#fbfcfa 60%)}
.hero-grid{display:grid;grid-template-columns:1.35fr .8fr;gap:44px;align-items:center}
.eyebrow{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;font-weight:850;color:var(--brand)}
h1,h2,h3{line-height:1.17;letter-spacing:-.035em} h1{font-size:clamp(2.35rem,5vw,4.5rem);margin:.25em 0 .3em}
h2{font-size:clamp(1.65rem,3vw,2.45rem);margin-top:1.6em}h3{font-size:1.2rem;margin-top:1.4em}
.lede{font-size:1.14rem;color:#3c4c56;max-width:760px}
.hero-card,.card,.sidebox,.callout{background:var(--panel);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}
.hero-card{padding:25px}.stat{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:10px 0}.stat:last-child{border:0}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:22px}.card h3{margin-top:0}.card p{color:var(--muted)}
.section{padding:54px 0}.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px;align-items:start}
article{min-width:0}.breadcrumbs{font-size:.84rem;color:var(--muted);margin:24px 0}.breadcrumbs a{color:var(--muted)}
.article-head{padding:24px 0 18px;border-bottom:1px solid var(--line)}.article-head h1{font-size:clamp(2.1rem,4vw,3.4rem);max-width:880px}
.meta{font-size:.88rem;color:var(--muted)}.disclosure{font-size:.84rem;background:#f7f3e8;border:1px solid #e9dbb8;padding:12px 14px;border-radius:10px;margin:18px 0}
article p, article li{font-size:1.02rem} article ul,article ol{padding-left:1.25rem}
.toc{background:#f3f7f5;border:1px solid var(--line);padding:18px;border-radius:12px;margin:24px 0}.toc strong{display:block;margin-bottom:6px}
.callout{padding:20px;margin:28px 0;border-left:5px solid var(--accent);box-shadow:none}.callout h3{margin-top:0}
.sidebar{position:sticky;top:96px}.sidebox{padding:20px;margin-bottom:18px}.sidebox h3{margin-top:0}.sidebox ul{list-style:none;padding:0;margin:0}.sidebox li{margin:8px 0}
.table-wrap{overflow-x:auto}.compare{width:100%;border-collapse:collapse;margin:22px 0}.compare th,.compare td{padding:12px;border:1px solid var(--line);text-align:left;vertical-align:top}.compare th{background:#eef5f2}
.note{font-size:.88rem;color:var(--muted)}.tag{display:inline-block;padding:5px 9px;background:var(--brand2);border-radius:999px;font-size:.78rem;font-weight:750;color:var(--brand);margin-right:6px}
.related{border-top:1px solid var(--line);margin-top:38px;padding-top:20px}.related ul{columns:2}
footer{margin-top:55px;border-top:1px solid var(--line);background:#10242b;color:#dfe9e6;padding:44px 0 24px}footer a{color:#dfe9e6}.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:28px}footer ul{list-style:none;padding:0}.copyright{border-top:1px solid #2a4048;margin-top:28px;padding-top:20px;font-size:.84rem;color:#afc1c0}
.home-hub{padding:48px 0}.pill-row{display:flex;flex-wrap:wrap;gap:10px}.pill{padding:8px 12px;border:1px solid var(--line);border-radius:999px;text-decoration:none;background:#fff}
@media(max-width:900px){
  .hero-grid,.content-grid,.footer-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.sidebar{position:static}.menu{display:block;margin-left:auto}
  nav{display:none;position:absolute;top:72px;left:0;right:0;background:var(--paper);padding:18px 4vw;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}
  nav.open{display:flex}.header-cta{display:none}.related ul{columns:1}
}
@media(max-width:620px){.grid{grid-template-columns:1fr}.hero{padding-top:48px}.hero-card{display:none}}