:root{--ink:#12213a;--muted:#5e6b7c;--bg:#f5f7fb;--card:#fff;--line:#dce3ec;--brand:#6655df;--brand-dark:#5140ca;--green:#20ae7b;--soft:#efedff;--max:1180px}
*{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(--bg);line-height:1.68}
a{color:#4938c5;text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:var(--max);margin:auto;padding:0 22px}
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}.header-row{min-height:72px;display:flex;align-items:center;gap:24px}.brand{font-weight:900;font-size:20px;letter-spacing:-.02em;color:var(--ink);white-space:nowrap}.brand span{color:var(--brand)}
.desktop-nav{display:flex;align-items:center;gap:17px;margin-left:auto}.desktop-nav a{font-size:14px;font-weight:700;color:var(--ink);white-space:nowrap}.cta{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff!important;padding:11px 15px;border-radius:10px;font-weight:850;white-space:nowrap}.cta:hover{text-decoration:none;background:var(--brand-dark)}
.header-actions{display:flex;align-items:center;gap:8px}.menu-btn{display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer}.menu-btn span,.menu-btn:before,.menu-btn:after{content:"";display:block;width:20px;height:2px;background:var(--ink);margin:4px auto}
.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;color:var(--ink);font-weight:700}
.hero{padding:70px 0 50px;background:linear-gradient(135deg,#fff 0%,#f0edff 62%,#e7faf3 100%)}.eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.09em;color:var(--brand);font-weight:900}h1,h2,h3{letter-spacing:-.025em;line-height:1.15}h1{font-size:clamp(38px,5.6vw,66px);margin:.25em 0;max-width:920px}h2{font-size:30px;margin-top:1.8em}h3{font-size:20px}.lead{font-size:20px;color:var(--muted);max-width:800px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}.secondary{display:inline-flex;padding:11px 15px;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:10px;font-weight:800}
.layout{max-width:var(--max);margin:42px auto 78px;padding:0 22px;display:grid;grid-template-columns:minmax(0,820px) 280px;gap:42px}.article{min-width:0}.breadcrumbs{font-size:13px;color:var(--muted);margin-bottom:22px}.article h1{font-size:clamp(36px,5vw,56px)}.note{background:var(--soft);padding:17px 19px;border-radius:14px;margin:24px 0}.experience{border-left:4px solid var(--green);background:#fff;padding:16px 18px;margin:24px 0}
.sidebar{align-self:start}.side-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px;margin-bottom:18px}.side-card h3{margin-top:0}.side-card .cta{width:100%}.side-links a{display:block;padding:7px 0;border-bottom:1px solid #edf0f4}.side-links a:last-child{border-bottom:0}
.content-cta{background:var(--ink);color:#fff;border-radius:18px;padding:28px;margin:38px 0}.content-cta h2{margin:0 0 8px}.content-cta p{color:#dbe3ed}.content-cta .cta{background:#fff;color:var(--ink)!important}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:26px 0}.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:21px}.card h3{margin-top:0}.card p{color:var(--muted);font-size:14px}
table{width:100%;border-collapse:collapse;background:#fff;margin:24px 0;font-size:14px}th,td{text-align:left;border:1px solid var(--line);padding:11px;vertical-align:top}th{background:#eef2f7}
.site-footer{background:#0f1d31;color:#cbd5e1;padding:44px 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}.site-footer a{color:#fff}.small{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){.desktop-nav{display:none}.menu-btn{display:block}.header-row{gap:10px}.header-actions{margin-left:auto}.header-actions .cta{font-size:13px;padding:10px 12px}.layout{grid-template-columns:1fr}.sidebar{order:2}.grid{grid-template-columns:1fr 1fr}.brand{font-size:18px}}
@media(max-width:560px){.wrap,.layout{padding-left:15px;padding-right:15px}.header-row{min-height:64px}.brand{font-size:16px}.header-actions{gap:6px}.header-actions .cta{font-size:12px;padding:9px 10px}.menu-btn{width:39px;height:39px}.hero{padding:46px 0 36px}.grid,.footer-grid{grid-template-columns:1fr}.sitemap-list{columns:1}h1{font-size:40px}.article h1{font-size:38px}.lead{font-size:18px}}

/* Editorial-complete build */
.popup-backdrop{display:none;position:fixed;inset:0;background:rgba(10,20,35,.58);z-index:1000;padding:18px;align-items:center;justify-content:center}
.popup-backdrop.show{display:flex}.offer-popup{position:relative;background:#fff;width:min(540px,100%);border-radius:20px;padding:30px;box-shadow:0 24px 80px rgba(0,0,0,.28)}
.offer-popup h2{margin:0 36px 10px 0;font-size:30px}.offer-popup p{color:var(--muted)}.popup-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.popup-close{position:absolute;right:14px;top:12px;border:0;background:transparent;font-size:30px;line-height:1;cursor:pointer;color:var(--muted)}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}.faq summary{font-weight:800;cursor:pointer}
@media(max-width:900px){.menu-btn,.mobile-menu{display:none!important}.header-actions{margin-left:auto}.header-actions .cta{font-size:15px;padding:12px 16px;font-weight:900}.brand{font-size:18px}.header-row{justify-content:space-between}}
@media(max-width:430px){.brand{font-size:15px}.header-actions .cta{font-size:14px;padding:11px 14px}.header-row{gap:8px}.offer-popup{padding:24px 20px}.offer-popup h2{font-size:25px}}

/* Benchmark-plus architecture */
.desktop-mega{display:flex;align-items:center;gap:4px;margin-left:auto}.nav-group{position:relative}.nav-trigger,.nav-link{border:0;background:transparent;color:var(--ink);font:inherit;font-size:14px;font-weight:750;padding:24px 9px;cursor:pointer}.nav-link{display:inline-block}
.mega{display:none;position:absolute;top:64px;left:50%;transform:translateX(-50%);width:680px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 55px rgba(18,33,58,.14);padding:18px;z-index:80}.nav-group:hover .mega,.nav-group:focus-within .mega{display:block}.mega-title{font-weight:900;margin:0 0 10px}.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:7px}.mega-grid a{display:block;padding:10px;border-radius:10px;color:var(--ink)}.mega-grid a:hover{background:#f5f3ff;text-decoration:none}.mega-grid span{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:2px}
.meta-row{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:14px 0 20px}.takeaways{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;margin:22px 0}.takeaways strong{display:block;margin-bottom:8px}.takeaways ul{margin:0;padding-left:20px}.toc{background:#f0f3f7;border-radius:14px;padding:18px 20px;margin:24px 0}.toc strong{display:block;margin-bottom:8px}.toc a{display:block;padding:3px 0}.cluster-library{margin:28px 0}.cluster-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.cluster-strip a{background:#fff;border:1px solid var(--line);border-radius:12px;padding:13px;color:var(--ink);font-weight:750}.freshness{border-left:4px solid var(--brand);background:#fff;padding:14px 17px;margin:22px 0;color:var(--muted)}.footer-wide{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:28px}.footer-wide a{display:block;margin:5px 0}.hub-section{margin:42px 0}.hub-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.hub-list a{display:block;background:#fff;border:1px solid var(--line);border-radius:13px;padding:14px;color:var(--ink)}.hub-list small{display:block;color:var(--muted);margin-top:4px}
@media(max-width:1050px){.desktop-mega{display:none}.header-row{justify-content:space-between}.header-actions{margin-left:auto}}
@media(max-width:760px){.cluster-strip,.hub-list{grid-template-columns:1fr}.footer-wide{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-wide{grid-template-columns:1fr}}