:root{--ink:#172033;--muted:#5d687c;--blue:#3157d5;--blue2:#eaf0ff;--green:#137a5b;--line:#dfe5ef;--bg:#f7f9fc;--white:#fff;--max:1180px;--header:72px}
*{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(--white);line-height:1.68}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--max);margin:auto;padding:0 22px}
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{min-height:var(--header);display:flex;align-items:center;gap:22px}.brand{font-weight:850;font-size:20px;color:var(--ink);letter-spacing:-.03em;white-space:nowrap}.brand span{color:var(--blue)}
.desktop-nav{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:14px;font-weight:750}.header-cta{white-space:nowrap;padding:10px 14px!important}
.menu-toggle{display:none;border:0;background:transparent;padding:8px;cursor:pointer}.menu-toggle span{display:block;width:24px;height:2px;background:var(--ink);margin:5px 0;border-radius:2px}
.mobile-menu{display:none;background:#fff;border-top:1px solid var(--line);padding:10px 22px 18px}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:10px 0;font-weight:750}
.hero{padding:72px 0 56px;background:linear-gradient(180deg,#f5f8ff,#fff)}.eyebrow{font-weight:800;color:var(--blue);text-transform:uppercase;letter-spacing:.08em;font-size:12px}
.hero h1,h1{font-size:clamp(38px,6vw,64px);line-height:1.03;letter-spacing:-.052em;margin:.15em 0 .3em}.hero p{font-size:20px;max-width:780px;color:var(--muted)}
.btn{display:inline-block;background:var(--blue);color:white!important;padding:13px 18px;border-radius:10px;font-weight:800;text-decoration:none!important;border:0}.btn.secondary{background:white;color:var(--ink)!important;border:1px solid var(--line)}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:16px;padding:24px;background:white}.card h3{margin-top:0;line-height:1.2}
section{padding:50px 0}.soft{background:var(--bg)}h2{font-size:32px;letter-spacing:-.035em;line-height:1.15;margin:0 0 20px}h3{letter-spacing:-.02em}
.content-shell{max-width:var(--max);margin:auto;padding:52px 22px;display:grid;grid-template-columns:minmax(0,820px) 280px;gap:42px;align-items:start}.article{min-width:0}.article h1{font-size:50px}.article h2{margin-top:42px}.article p,.article li{font-size:17px}.lede{font-size:21px!important;color:var(--muted)}
.sidebar{border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--bg);position:static}.sidebar h3{margin-top:0}.sidebar a.side-link{display:block;padding:8px 0;border-bottom:1px solid var(--line);font-weight:700}.sidebar .btn{width:100%;text-align:center;margin-top:16px}
.note,.cta{border-radius:14px;padding:22px;margin:30px 0}.note{background:var(--bg);border:1px solid var(--line)}.cta{background:var(--blue2);border:1px solid #cad7ff}.cta h3{margin-top:0}
.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:20px}.meta{color:var(--muted);font-size:14px}.pill{display:inline-block;background:var(--blue2);color:var(--blue);font-size:12px;font-weight:800;padding:5px 9px;border-radius:999px}
table{border-collapse:collapse;width:100%;margin:24px 0}th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}th{background:var(--bg)}
footer{background:#121827;color:#cbd3e2;padding:48px 0;margin-top:50px}footer a{color:#fff}.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}.disclosure{font-size:13px;color:var(--muted)}
.sitemap-list{columns:2;column-gap:40px}.sitemap-list li{break-inside:avoid;margin:7px 0}
@media(max-width:900px){.content-shell{grid-template-columns:1fr}.sidebar{display:none}.grid{grid-template-columns:1fr 1fr}}
@media(max-width:760px){
:root{--header:64px}.wrap{padding:0 16px}.nav{gap:8px}.brand{font-size:16px;max-width:44vw;overflow:hidden;text-overflow:ellipsis}.desktop-nav{display:none}.menu-toggle{display:block;margin-left:0}.header-cta{margin-left:auto;padding:9px 11px!important;font-size:13px}.grid,.footergrid{grid-template-columns:1fr}.hero{padding-top:48px}.content-shell{padding:38px 18px}.article h1{font-size:40px}.sitemap-list{columns:1}
}
@media(max-width:420px){.brand{font-size:15px;max-width:37vw}.header-cta{font-size:12px;padding:8px 9px!important}}

.offer-popup{position:fixed;inset:0;background:rgba(10,16,30,.56);z-index:100;display:none;align-items:center;justify-content:center;padding:20px}
.offer-popup.show{display:flex}.offer-popup__panel{width:min(520px,100%);background:#fff;border-radius:18px;padding:30px;box-shadow:0 24px 70px rgba(0,0,0,.24);position:relative}
.offer-popup__panel h2{margin-top:12px}.offer-popup__close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;line-height:1;cursor:pointer;color:var(--muted)}
.offer-popup__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.offer-popup__actions .secondary{cursor:pointer}
@media(max-width:760px){
  .nav{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:7px}
  .brand{max-width:none;overflow:hidden;text-overflow:ellipsis}
  .header-cta{margin-left:0}
  .menu-toggle{margin-left:0}
  .mobile-menu{position:absolute;left:0;right:0;top:var(--header);box-shadow:0 12px 24px rgba(0,0,0,.08)}
}

/* Expanded knowledge-site navigation */
.nav{overflow:visible}.desktop-nav{display:flex!important}.nav-item{position:relative}.nav-item>a{display:block;padding:24px 2px;color:var(--ink)}
.submenu{display:none;position:absolute;top:62px;left:-16px;min-width:245px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px;box-shadow:0 18px 50px rgba(23,32,51,.14);z-index:80}
.nav-item:hover .submenu,.nav-item:focus-within .submenu{display:block}.submenu a{display:block;padding:9px 10px;border-radius:8px;color:var(--ink);font-weight:650}.submenu a:hover{background:var(--bg);text-decoration:none}
.cluster-library{border:1px solid var(--line);border-radius:16px;padding:22px;margin:28px 0;background:#fff}.cluster-library h2{font-size:23px;margin:6px 0 14px}.cluster-links{display:flex;gap:8px;flex-wrap:wrap}.cluster-links a{border:1px solid var(--line);border-radius:999px;padding:7px 11px;font-size:13px;font-weight:700}
.guide-nav{border-left:3px solid var(--blue);padding:15px 18px;margin:28px 0;background:var(--bg)}.guide-nav strong{display:block;margin-bottom:7px}.guide-nav a{display:block;padding:3px 0}
.takeaways{border:1px solid #cbd8ff;background:var(--blue2);border-radius:14px;padding:18px 20px;margin:24px 0}.takeaways strong{font-size:17px}.takeaways ul{margin-bottom:0}
.freshness{display:flex;gap:12px;align-items:center;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:12px 0 20px}.freshness strong{color:var(--green)}
.faq{margin-top:38px}.faq h3{margin-top:22px}.next-steps{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:34px 0}
@media(max-width:760px){
 header{position:sticky}.nav{display:flex!important;min-height:64px;gap:8px}.brand{font-size:15px;max-width:46vw}.desktop-nav{display:none!important}.header-cta{margin-left:auto;font-size:13px;padding:9px 12px!important}.menu-toggle,.mobile-menu{display:none!important}
}

.pathway{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.pathway a{border:1px solid var(--line);border-radius:14px;padding:18px;color:var(--ink);background:#fff}.pathway a:hover{text-decoration:none;border-color:#b8c7f7}.pathway strong,.pathway span{display:block}.pathway span{font-size:13px;color:var(--muted);margin-top:5px}
.knowledge-hub{padding-top:30px;padding-bottom:50px}.knowledge-group{display:grid;grid-template-columns:260px 1fr;gap:30px;border-bottom:1px solid var(--line);padding:38px 0}.knowledge-group h2{margin-top:6px}.knowledge-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.knowledge-links a{border:1px solid var(--line);border-radius:12px;padding:14px;color:var(--ink);display:flex;justify-content:space-between;gap:10px}.knowledge-links a:hover{text-decoration:none;background:var(--bg)}.knowledge-links span{color:var(--blue);font-size:12px;white-space:nowrap}
@media(max-width:900px){.pathway{grid-template-columns:1fr 1fr}.knowledge-group{grid-template-columns:1fr}.knowledge-links{grid-template-columns:1fr}}
@media(max-width:520px){.pathway{grid-template-columns:1fr}}