:root{--ink:#172033;--muted:#5d677a;--line:#e3e8ef;--bg:#f7f9fc;--card:#fff;--brand:#3157d5;--accent:#19a974}
*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:#fff;line-height:1.7}
a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}.wrap{max-width:1180px;margin:auto;padding:0 22px}
header{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:20}.nav{height:68px;display:flex;align-items:center;gap:28px}.logo{font-weight:850;color:var(--ink);text-decoration:none;font-size:19px}.logo b{color:var(--brand)}
nav{margin-left:auto;display:flex;gap:18px}nav a{color:var(--ink);text-decoration:none;font-size:14px}
.hero{background:linear-gradient(180deg,#f5f7ff,#fff);padding:72px 0 46px}.eyebrow{font-weight:750;color:var(--brand);text-transform:uppercase;letter-spacing:.08em;font-size:12px}
h1{font-size:clamp(38px,6vw,66px);line-height:1.02;letter-spacing:-.045em;max-width:850px;margin:.25em 0}h2{font-size:29px;line-height:1.2;letter-spacing:-.025em;margin-top:2em}h3{font-size:20px}
.lede{font-size:20px;color:var(--muted);max-width:760px}.grid{display:grid;grid-template-columns:minmax(0,760px) 300px;gap:54px;max-width:1180px;margin:0 auto;padding:48px 22px}
article p{font-size:17px;color:#303a4d}.card{border:1px solid var(--line);border-radius:16px;padding:22px;background:var(--card);box-shadow:0 8px 30px rgba(30,45,80,.06)}
.sticky{position:sticky;top:92px}.btn{display:inline-block;background:var(--brand);color:white;text-decoration:none;padding:13px 18px;border-radius:10px;font-weight:800}.btn.block{display:block;text-align:center}
.note{font-size:13px;color:var(--muted)}.cta-inline{margin:34px 0;padding:24px;border-radius:16px;background:#f1f4ff;border:1px solid #dce3ff}
.related{border-top:1px solid var(--line);margin-top:48px}.related li{margin:8px 0}
footer{margin-top:70px;background:#111827;color:#d6dbea;padding:42px 0}footer a{color:#fff}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
.popup{display:none;position:fixed;inset:0;background:rgba(12,18,31,.68);z-index:50;align-items:center;justify-content:center;padding:20px}.popup.show{display:flex}.popupbox{max-width:620px;background:#fff;border-radius:22px;padding:30px;position:relative}.x{position:absolute;right:18px;top:12px;border:0;background:none;font-size:28px;cursor:pointer}
.breadcrumb{font-size:13px;color:var(--muted);padding-top:20px}.disclosure{background:#fff8df;border:1px solid #f0df9d;border-radius:10px;padding:12px 14px;font-size:13px;margin-top:4px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards .card h3{margin-top:0}
@media(max-width:850px){nav{display:none}.grid{grid-template-columns:1fr}.sticky{position:static}.cards{grid-template-columns:1fr}.footergrid{grid-template-columns:1fr}.hero{padding-top:46px}}

.header-cta{display:inline-block;background:var(--brand);color:#fff;text-decoration:none;padding:10px 14px;border-radius:9px;font-weight:800;font-size:14px;white-space:nowrap}
.header-cta:hover{filter:brightness(.96)}
@media(max-width:850px){
  .nav{gap:12px}
  .logo{font-size:16px}
  .header-cta{margin-left:auto;padding:9px 11px;font-size:13px}
}

@media(max-width:1080px) and (min-width:851px){
  .grid{grid-template-columns:minmax(0,1fr) 280px;gap:34px}
  .cards{grid-template-columns:repeat(2,1fr)}
}