:root{--ink:#142033;--muted:#667085;--line:#e4e7ec;--soft:#f7f8fc;--accent:#4f46e5;--deep:#312e81;--green:#087f5b;--white:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font:16px/1.7 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--ink);background:#fff}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{width:min(1160px,calc(100% - 40px));margin:auto}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(10px)}
.nav{height:72px;display:flex;align-items:center;gap:24px}.brand{font-size:20px;font-weight:850;color:var(--ink);white-space:nowrap}.desktop-menu{display:flex;align-items:center;gap:19px;margin-left:auto}.desktop-menu a{font-weight:700;color:var(--ink);font-size:14px}
.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:white!important;border-radius:10px;padding:11px 16px;font-weight:800;border:0;text-decoration:none!important}.header-cta:hover,.btn:hover{background:var(--deep)}
.mobile-actions,.mobile-menu{display:none}.hero{background:linear-gradient(180deg,#f4f5ff 0,#fff 100%);padding:70px 0 54px}.eyebrow{text-transform:uppercase;letter-spacing:.09em;color:var(--accent);font-size:12px;font-weight:850}
h1,h2,h3{line-height:1.16;letter-spacing:-.025em}h1{font-size:clamp(38px,5.6vw,64px);margin:.18em 0 .25em}h2{font-size:30px;margin:1.6em 0 .45em}h3{font-size:20px}.lead{font-size:20px;color:var(--muted);max-width:800px}.section{padding:52px 0}.soft{background:var(--soft)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid var(--line);border-radius:16px;padding:23px;background:white;box-shadow:0 8px 25px rgba(20,32,51,.04)}.card h3{margin-top:0}
.content-layout{display:grid;grid-template-columns:minmax(0,790px) 280px;gap:50px;align-items:start}.article{min-width:0}.sidebar{position:static;border:1px solid var(--line);border-radius:16px;padding:20px;background:var(--soft);margin-top:48px}.sidebar h3{margin-top:0}.sidebar .btn{width:100%;margin:8px 0}.sidebar a:not(.btn){display:block;padding:5px 0}
.breadcrumbs{font-size:14px;color:var(--muted);padding-top:25px}.meta{color:var(--muted);font-size:14px}.notice{border-left:4px solid var(--accent);background:#f3f4ff;padding:16px 18px;border-radius:8px;margin:22px 0}.experience{border-left-color:var(--green);background:#effaf6}
.btn.secondary{background:white;color:var(--accent)!important;border:1px solid #c8caff}.cta-box{margin:32px 0;padding:25px;border-radius:16px;background:#171c35;color:#fff}.cta-box h2,.cta-box h3{margin-top:0;color:#fff}.cta-box p{color:#d7dbec}
table{border-collapse:collapse;width:100%;margin:22px 0;font-size:15px}th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}th{background:var(--soft)}
footer{margin-top:55px;background:#101828;color:#d0d5dd;padding:46px 0}footer a{color:#fff}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:32px}
.hamb{width:42px;height:42px;border:1px solid var(--line);border-radius:9px;background:#fff;display:grid;place-items:center;cursor:pointer}.hamb span,.hamb span:before,.hamb span:after{content:"";display:block;width:20px;height:2px;background:var(--ink);position:relative}.hamb span:before{position:absolute;top:-6px}.hamb span:after{position:absolute;top:6px}
@media(max-width:850px){
 .nav{height:66px;gap:10px}.desktop-menu,.desktop-cta{display:none}.brand{font-size:16px;overflow:hidden;text-overflow:ellipsis;min-width:0;max-width:46vw}
 .mobile-actions{display:flex;align-items:center;gap:7px;margin-left:auto}.mobile-actions .header-cta{padding:9px 11px;font-size:13px;white-space:nowrap}
 .mobile-menu{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:12px 20px 18px}.mobile-menu.open{display:block}.mobile-menu a{display:block;padding:10px 0;font-weight:750;color:var(--ink)}
 .content-layout{grid-template-columns:1fr}.sidebar{margin-top:0}.grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.hero{padding:48px 0 38px}
}
@media(max-width:430px){.brand{max-width:36vw;font-size:14px}.mobile-actions .header-cta{font-size:12px;padding:8px 9px}.wrap{width:min(100% - 28px,1160px)}}

.offer-modal[hidden]{display:none}.offer-modal{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px}
.offer-modal__backdrop{position:absolute;inset:0;background:rgba(16,24,40,.66)}
.offer-modal__panel{position:relative;width:min(520px,100%);background:#fff;border-radius:18px;padding:30px;box-shadow:0 24px 80px rgba(0,0,0,.28);z-index:1}
.offer-modal__panel h2{margin:.3em 0 .5em;font-size:28px}.offer-modal__panel p{color:var(--muted)}
.offer-modal__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.offer-modal__actions .btn{cursor:pointer;font:inherit}
.offer-modal__close{position:absolute;right:14px;top:10px;border:0;background:transparent;font-size:30px;line-height:1;cursor:pointer;color:var(--muted)}
body.modal-open{overflow:hidden}
@media(max-width:520px){.offer-modal__panel{padding:26px 20px}.offer-modal__actions{flex-direction:column}.offer-modal__actions .btn{width:100%}}
.takeaways{border:1px solid #cfd3ff;background:#f7f7ff;border-radius:16px;padding:20px 24px;margin:24px 0}.takeaways h2{margin-top:0;font-size:22px}.takeaways li{margin:6px 0}.toc{border:1px solid var(--line);background:var(--soft);border-radius:14px;padding:18px 22px;margin:24px 0}.toc ul{margin-bottom:0}.cluster-strip{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.cluster-strip a{border:1px solid var(--line);border-radius:999px;padding:7px 11px;background:#fff;font-weight:700;font-size:14px}