:root{
  --bg:#fbfcfe;--paper:#fff;--ink:#121827;--muted:#5e6778;--line:#dfe4ec;--brand:#3167d9;--brand2:#11a184;--warm:#f0a135;--danger:#d55155;--nav:#0b1020;--dark:#0d1324;--dark2:#141c31;--max:1180px;--narrow:900px;--radius:20px;--shadow:0 20px 60px rgba(21,35,65,.09)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{color:inherit}.shell{width:min(calc(100% - 40px),var(--max));margin:auto}.narrow{width:min(calc(100% - 40px),var(--narrow));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(11,16,32,.92);backdrop-filter:blur(16px);border-bottom:1px solid rgba(255,255,255,.08)}.nav-wrap{min-height:64px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;font-weight:800;letter-spacing:-.02em}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,#4f86ff,#1cc4a1);font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.nav-links{display:flex;gap:21px;align-items:center}.nav-links a{font-size:13px;text-decoration:none;color:#dce4f6}.nav-links a:hover{color:#fff}.nav-toggle{display:none;background:none;border:0;color:white;font-size:24px}.hero{padding:88px 0 48px}.eyebrow-row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}.pill{display:inline-flex;align-items:center;border:1px solid #cdd8ed;background:#f1f6ff;color:#2854ad;padding:5px 10px;border-radius:999px;font-size:12px;font-weight:750;letter-spacing:.02em}.pill.subtle{background:#f6f7fa;color:#687185;border-color:#e2e5eb}.hero h1{font-size:clamp(54px,8vw,94px);line-height:.95;margin:0;letter-spacing:-.065em}.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}.subtitle{font-size:clamp(22px,3.5vw,39px);line-height:1.13;font-weight:730;letter-spacing:-.035em;max-width:1000px;margin:24px 0 20px}.hero-question{max-width:850px;font-size:19px;color:#3e4859}.authors{margin:22px 0;color:#252d3c}.authors span{color:var(--muted)}.cta-row{display:flex;gap:10px;flex-wrap:wrap;margin:26px 0 36px}.button{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cfd6e3;border-radius:11px;padding:10px 14px;text-decoration:none;font-size:14px;font-weight:750;background:#fff}.button.primary{background:var(--nav);color:#fff;border-color:var(--nav)}.button:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(20,30,55,.08)}.button.disabled{color:#9299a6;background:#f5f6f8;cursor:default}.button.disabled:hover{transform:none;box-shadow:none}.metric-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}.metric-grid article{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 16px;box-shadow:0 8px 30px rgba(20,30,60,.035)}.metric-grid strong{display:block;font-size:29px;letter-spacing:-.04em}.metric-grid span{display:block;color:var(--muted);font-size:13px;line-height:1.35}.hero-metrics{margin-bottom:34px}.figure-card{margin:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:12px;box-shadow:var(--shadow)}.figure-card img{width:100%;border-radius:12px}.figure-card figcaption{color:var(--muted);font-size:13px;padding:10px 6px 3px}.hero-figure{margin-top:4px}.section{padding:82px 0}.section-tint{background:#f1f5fa;border-top:1px solid #e5eaf1;border-bottom:1px solid #e5eaf1}.section-dark{background:var(--dark);color:#f7f9ff}.section-kicker{text-transform:uppercase;font-size:12px;letter-spacing:.14em;font-weight:850;color:#456cc0;margin-bottom:10px}.section-kicker.light{color:#8faef7}.section h2{font-size:clamp(32px,4.4vw,54px);letter-spacing:-.045em;line-height:1.05;margin:0 0 20px}.lead{font-size:20px;line-height:1.55;color:#3e4858}.section-dark .lead{color:#c2cce0}.maxcopy{max-width:900px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:36px 0}.feature-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:20px}.feature-card>span{font-size:24px}.feature-card h3{margin:8px 0 8px;font-size:17px}.feature-card p{margin:0;color:var(--muted);font-size:14px}.wide-figure{margin-top:28px}.result-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:20px;align-items:start;margin-top:34px}.table-card{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 12px 40px rgba(20,30,60,.05)}.table-title{display:flex;justify-content:space-between;gap:14px;padding:16px 18px;border-bottom:1px solid var(--line);font-weight:800}.legend-note{font-size:12px;color:var(--muted);font-weight:500}.table-scroll{overflow:auto}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:right;padding:13px 14px;border-bottom:1px solid #edf0f5;white-space:nowrap}th:first-child,td:first-child{text-align:left}th{background:#f7f9fc;font-size:12px;color:#4b5567;text-transform:uppercase;letter-spacing:.025em}.highlight td{background:#edf9f7}.table-note{font-size:12px;color:var(--muted);margin:0;padding:12px 18px}.finding-stack{display:grid;gap:12px}.finding{display:flex;gap:14px;padding:18px;background:#fff;border:1px solid var(--line);border-radius:16px}.finding .num{flex:0 0 32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#edf3ff;color:#2f5ebb;font-weight:800}.finding h3{font-size:16px;margin:2px 0 6px}.finding p{font-size:13px;color:var(--muted);margin:0}.gate-panel{margin-top:26px;background:linear-gradient(135deg,#101829,#1b2740);border-radius:22px;padding:26px;color:#fff;display:grid;grid-template-columns:.8fr 1.2fr;gap:28px}.gate-copy h3{margin:0;font-size:24px}.gate-copy p{color:#c7d0e0}.formula{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;padding:12px 14px;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:10px;display:inline-block}.gate-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.gate-grid>div{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.1);border-radius:14px;padding:16px}.gate-grid b{display:block;font-size:26px}.gate-grid span{display:block;font-size:12px;color:#c8d1e2;line-height:1.4}.gate-grid .warning{border-color:rgba(240,161,53,.55);background:rgba(240,161,53,.10)}.duplex-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:34px 0}.duplex-card{background:var(--dark2);border:1px solid #2c3851;border-radius:18px;padding:20px}.duplex-card .big{font-size:28px;font-weight:850;letter-spacing:-.04em}.duplex-card h3{font-size:16px;margin:7px 0}.duplex-card p{font-size:13px;color:#b9c4d9;margin:0}.duplex-card.accent{border-color:#6d4e3a;background:#211a18}.dark-figure{background:#131b2d;border-color:#2c3851}.dark-figure figcaption{color:#b7c2d7}.callout{background:#edf4ff;border:1px solid #d3e2ff;border-radius:18px;padding:22px}.split-callout{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:26px}.split-callout h3{margin:0 0 8px}.split-callout p{margin:0;color:#475265}.comparison-card{display:flex;align-items:center;justify-content:center;gap:24px;margin:28px 0;padding:24px;background:#fff;border:1px solid var(--line);border-radius:18px}.comparison-main{text-align:center}.comparison-main span{display:block;font-size:36px;font-weight:900;letter-spacing:-.05em}.comparison-main small{color:var(--muted)}.versus{color:#98a1af;font-weight:800}.quote-card{font-size:24px;font-weight:650;line-height:1.45;padding:24px 26px;border-left:4px solid var(--brand);background:#f3f6fb;border-radius:0 16px 16px 0}.center-link{text-align:center;margin-top:30px}.bib-section h2{color:#fff}.code-box{position:relative;background:#080c16;border:1px solid #2a3449;border-radius:16px;padding:18px;margin-top:22px;overflow:auto}.code-box pre{margin:0;color:#d8e4ff;font-size:13px}.copy-button{position:absolute;right:10px;top:10px;border:1px solid #3a4762;background:#151d2c;color:#fff;border-radius:8px;padding:6px 10px;cursor:pointer}.fineprint{font-size:12px;color:#95a0b5}.footer{background:#070b14;color:#c3cad8;padding:34px 0}.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer span{font-size:12px;color:#7f8aa0}.footer-links{display:flex;gap:18px}.footer a{font-size:13px;color:#ccd5e5;text-decoration:none}
/* Blog */.blog-shell{width:min(calc(100% - 40px),880px);margin:auto}.blog-hero{padding:88px 0 34px}.blog-hero h1{font-size:clamp(45px,7vw,76px);letter-spacing:-.055em;line-height:.98;margin:0 0 24px}.blog-dek{font-size:22px;line-height:1.5;color:#465064;max-width:800px}.byline{color:#737d8f;font-size:14px}.blog-feature{margin-bottom:62px}.blog-section{font-family:Georgia,"Times New Roman",serif;font-size:19px;line-height:1.78;margin:0 auto 62px}.blog-section h2{font-family:Inter,ui-sans-serif,sans-serif;font-size:36px;line-height:1.15;letter-spacing:-.035em;margin:0 0 22px}.blog-section p{margin:0 0 22px}.blog-pullquote{font-size:27px;line-height:1.42;font-weight:720;letter-spacing:-.02em;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:28px 4px;margin:18px 0 64px}.blog-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:30px 0;font-family:Inter,ui-sans-serif,sans-serif}.blog-grid-3 div{padding:18px;background:#f3f6fa;border-radius:14px}.blog-grid-3 strong{display:block;font-size:28px}.blog-grid-3 span{font-size:12px;color:var(--muted)}.blog-inline-figure{margin:32px -70px}.blog-table{font-family:Inter,ui-sans-serif,sans-serif;margin:28px 0}.blog-gates{font-family:Inter,ui-sans-serif,sans-serif;display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:26px 0}.blog-gates div{border:1px solid var(--line);border-radius:14px;padding:16px}.blog-gates span{display:inline-grid;place-items:center;background:#eaf1ff;color:#2d5dbf;border-radius:8px;width:38px;height:30px;font-size:12px;font-weight:900;margin-bottom:10px}.blog-gates strong{display:block;font-size:15px}.blog-gates p{font-family:Inter,ui-sans-serif,sans-serif;font-size:13px;line-height:1.5;color:var(--muted);margin:5px 0 0}.blog-end-card{text-align:center;background:#0f1728;color:#fff;border-radius:22px;padding:34px;margin:72px 0}.blog-end-card h2{font-size:32px;margin:0 0 8px}.blog-end-card p{color:#bec8db}.blog-end-card .button.primary{background:#fff;color:#111827;border-color:#fff}
@media (max-width:900px){.nav-toggle{display:block}.nav-links{display:none;position:absolute;top:64px;left:0;right:0;background:#0b1020;padding:16px 20px;border-top:1px solid rgba(255,255,255,.08);flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.metric-grid{grid-template-columns:repeat(2,1fr)}.metric-grid article:last-child{grid-column:span 2}.feature-grid{grid-template-columns:repeat(2,1fr)}.result-layout,.gate-panel{grid-template-columns:1fr}.duplex-grid{grid-template-columns:repeat(2,1fr)}.blog-inline-figure{margin:28px 0}}
@media (max-width:600px){.shell,.narrow,.blog-shell{width:min(calc(100% - 28px),var(--max))}.hero{padding-top:58px}.hero h1{font-size:48px}.subtitle{font-size:27px}.metric-grid{grid-template-columns:1fr}.metric-grid article:last-child{grid-column:auto}.feature-grid,.duplex-grid,.split-callout,.blog-grid-3,.blog-gates{grid-template-columns:1fr}.comparison-card{flex-direction:column;gap:8px}.gate-grid{grid-template-columns:1fr}.section{padding:62px 0}.footer-grid{align-items:flex-start;flex-direction:column}.blog-hero{padding-top:56px}.blog-hero h1{font-size:44px}.blog-section{font-size:18px}.blog-section h2{font-size:31px}.blog-pullquote{font-size:23px}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button:hover{transform:none}}