:root{
 --ink:#152238;--muted:#60708a;--paper:#fbfcff;--white:#fff;--line:#e3e9f3;
 --navy:#101934;--purple:#6b4eff;--violet:#8a5cff;--blue:#4d8dff;--teal:#27c3ad;
 --soft:#f2f5ff;--shadow:0 14px 38px rgba(28,39,83,.11);--radius:18px;
}
*{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(--paper);color:var(--ink);line-height:1.68}
a{color:#4f43ce;text-decoration-thickness:.08em;text-underline-offset:.16em}a:hover{color:#2d238d}
img{max-width:100%}.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:white;padding:10px;z-index:1000}
.topnote{background:var(--navy);color:#dbe2ff;text-align:center;font-size:13px;padding:7px 16px}
.header{position:sticky;top:0;z-index:50;background:rgba(251,252,255,.93);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{max-width:1180px;margin:auto;display:flex;align-items:center;gap:20px;padding:13px 20px}.brand{display:flex;align-items:center;gap:10px;font-weight:850;color:var(--ink);text-decoration:none;white-space:nowrap}.logo{width:38px;height:38px}
.links{display:flex;gap:20px;align-items:center;margin-left:auto}.links a{font-weight:650;color:#34415a;text-decoration:none;font-size:14px}.links a:hover{color:var(--purple)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:999px;padding:12px 18px;font-weight:800;text-decoration:none;color:white!important;background:linear-gradient(135deg,var(--purple),var(--blue));box-shadow:0 8px 22px rgba(91,78,255,.22)}
.btn:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(91,78,255,.3)}.btn.secondary{color:var(--ink)!important;background:white;border:1px solid var(--line);box-shadow:none}.header-cta{font-size:14px;padding:10px 15px}.menu-btn{display:none;background:white;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font-weight:750}
.wrap{max-width:1180px;margin:auto;padding:0 20px}.hero{max-width:1180px;margin:auto;padding:72px 20px 52px;display:grid;grid-template-columns:1.3fr .7fr;gap:42px;align-items:center}.hero h1{font-size:clamp(40px,6vw,70px);line-height:1.02;letter-spacing:-.045em;margin:.15em 0}.lede{font-size:20px;color:#4b5b76;max-width:760px}.eyebrow{display:inline-flex;background:#eeeaff;color:#5740d6;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:850;letter-spacing:.06em;text-transform:uppercase}.hero-card,.card,.sidebar-box,.callout{background:white;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.hero-card{padding:28px;position:relative;overflow:hidden}.hero-card:before{content:"";position:absolute;right:-50px;top:-50px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,var(--teal),transparent 66%);opacity:.28}.hero-card h2{font-size:28px;line-height:1.15;margin:.4em 0}.mini{font-size:13px;color:var(--muted)}
.section{padding:58px 0}.soft{background:linear-gradient(180deg,#f4f6ff,#fbfcff)}.section-title{max-width:760px;margin-bottom:28px}.section-title h2{font-size:38px;line-height:1.15;letter-spacing:-.025em;margin:.25em 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{padding:24px}.card h3{font-size:21px;line-height:1.25;margin:.35em 0}.card p{color:#53627a}.pill{font-size:12px;font-weight:800;color:#5d46d6;background:#f0edff;padding:5px 8px;border-radius:999px;display:inline-block}
.article-head{max-width:900px;margin:auto;padding:58px 20px 24px}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:16px}.breadcrumbs a{color:var(--muted)}.article-head h1{font-size:clamp(38px,5.5vw,62px);line-height:1.05;letter-spacing:-.04em;margin:.2em 0}.article-meta{font-size:13px;color:var(--muted)}.article-layout{max-width:1180px;margin:auto;padding:16px 20px 72px;display:grid;grid-template-columns:minmax(0,780px) 300px;gap:46px}.prose{font-size:18px}.prose h2{font-size:30px;line-height:1.18;letter-spacing:-.02em;margin:1.65em 0 .45em}.prose h3{font-size:22px}.prose p{margin:.8em 0}.prose ul{padding-left:1.2em}.callout{padding:22px;margin:26px 0;border-left:5px solid var(--purple)}.callout h3{margin:.1em 0}.disclosure{font-size:13px;color:var(--muted)}.sidebar{position:relative}.sidebar-inner{position:sticky;top:92px}.sidebar-box{padding:20px;margin-bottom:18px}.sidebar-box h3{margin:.1em 0 .5em;font-size:20px}.sidebar-box ul{list-style:none;padding:0;margin:0}.sidebar-box li{margin:9px 0}.sidebar-box a{font-size:14px}.sidebar-cta{background:linear-gradient(150deg,#171d3e,#34246e);color:white}.sidebar-cta p{color:#d9def7}.sidebar-cta .mini{color:#c9cbed}
.related{margin-top:42px;padding-top:28px;border-top:1px solid var(--line)}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-card{border:1px solid var(--line);border-radius:14px;padding:16px;background:white}.related-card a{font-weight:780;text-decoration:none}
.faq details{border-top:1px solid var(--line);padding:16px 0}.faq summary{font-weight:800;cursor:pointer}
.footer{background:#0f1730;color:#cad3ec;padding:52px 0 95px}.footer-inner{max-width:1180px;margin:auto;padding:0 20px;display:grid;grid-template-columns:1.2fr repeat(3,.8fr);gap:26px}.footer h3{color:white;font-size:14px;text-transform:uppercase;letter-spacing:.06em}.footer a{color:#dce3ff}.footer .brand{color:white}.footer small{color:#9ca9c7}
.mobile-sticky{display:none}
@media(max-width:900px){.links{display:none;position:absolute;left:15px;right:15px;top:67px;background:white;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}.links.open{display:flex}.menu-btn{display:block;margin-left:auto}.header-cta{display:none}.hero{grid-template-columns:1fr}.grid{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.sidebar{display:none}.footer-inner{grid-template-columns:1fr 1fr}.mobile-sticky{display:block;position:fixed;bottom:0;left:0;right:0;z-index:70;padding:10px 14px;background:rgba(15,23,48,.96);border-top:1px solid #394360}.mobile-sticky .btn{width:100%}}
@media(max-width:620px){.grid,.related-grid,.footer-inner{grid-template-columns:1fr}.hero{padding-top:48px}.section-title h2{font-size:31px}.article-head h1{font-size:40px}.prose{font-size:17px}.nav{gap:10px}}