:root{--blue:#0d4b78;--paper:#f5f0df;--gold:#e6b64c;--cyan:#9fd5df;--deep:#082a46;--grid:rgba(255,255,255,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body.sb78ebc7-body{margin:0;background:var(--paper);color:var(--deep);font-family:Arial,sans-serif;line-height:1.6}.sb78ebc7-skip{position:absolute;left:-999px}.sb78ebc7-skip:focus{left:1rem;top:1rem;z-index:20;background:white;padding:.6rem}.sb78ebc7-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 4vw;background:var(--blue);color:white}.sb78ebc7-brand{color:white;text-decoration:none;display:flex;flex-direction:column;line-height:1}.sb78ebc7-brand b{letter-spacing:.12em}.sb78ebc7-brand span{font-size:.65rem;color:var(--gold)}.sb78ebc7-nav{display:flex;gap:1.1rem;align-items:center}.sb78ebc7-nav a{color:white;text-decoration:none;font-size:.8rem;font-weight:800}.sb78ebc7-nav a:last-child{background:var(--gold);color:var(--deep);padding:.6rem 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var(--gold);color:var(--gold)}.sb78ebc7-nav{display:none}.sb78ebc7-hero,.sb78ebc7-premise,.sb78ebc7-scenario,.sb78ebc7-memory,.sb78ebc7-methods{grid-template-columns:1fr}.sb78ebc7-reference-grid,.sb78ebc7-note-grid,.sb78ebc7-memory-map,.sb78ebc7-test-list{grid-template-columns:1fr}.sb78ebc7-test-list li{grid-template-columns:1fr;border-right:0!important}.sb78ebc7-diagram summary{grid-template-columns:50px 1fr}.sb78ebc7-diagram summary em{grid-column:2}.sb78ebc7-diagram details p{padding-left:1.2rem}.sb78ebc7-final,.sb78ebc7-footer{flex-direction:column;align-items:flex-start}}

/* Parent browser-QA fix: image-first mobile hero and visible CTA */
.sb78ebc7-hero{grid-template-areas:"copy media"}.sb78ebc7-hero-copy{grid-area:copy}.sb78ebc7-hero-card{grid-area:media}.sb78ebc7-hero-media-link{position:relative;display:block;color:inherit;text-decoration:none}.sb78ebc7-mobile-cta{display:none}
@media(max-width:850px){.sb78ebc7-hero{grid-template-areas:"media" "copy"}.sb78ebc7-mobile-cta{position:absolute;left:.7rem;right:.7rem;bottom:.7rem;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1rem;background:var(--gold);color:var(--deep);font:900 .86rem Arial,sans-serif}}

/* SEO refactor: short answer, high references, privacy, FAQ and sources */
.sb78ebc7-body main [id],.sb78ebc7-body section{scroll-margin-top:5.5rem}
.sb78ebc7-answer,.sb78ebc7-privacy,.sb78ebc7-faq,.sb78ebc7-sources{margin:2rem 5vw;padding:clamp(1.4rem,4vw,3rem);border:1px solid rgba(13,75,120,.25);background:#fff}
.sb78ebc7-answer{border-top:7px solid var(--gold)}.sb78ebc7-answer>span,.sb78ebc7-privacy>div>span,.sb78ebc7-faq>span,.sb78ebc7-sources>span{font-size:.72rem;letter-spacing:.17em;color:var(--blue);font-weight:900}.sb78ebc7-answer h2,.sb78ebc7-privacy h2,.sb78ebc7-faq h2,.sb78ebc7-sources h2{font-family:Georgia,serif;color:var(--deep);font-size:clamp(1.8rem,4vw,3.3rem);line-height:1.05;margin:.4rem 0 1rem}
.sb78ebc7-privacy{display:grid;grid-template-columns:.7fr 1.3fr;gap:3rem}.sb78ebc7-faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.sb78ebc7-faq-grid article{padding:1rem;border:1px solid rgba(13,75,120,.25);background:var(--paper)}.sb78ebc7-faq-grid h3{color:var(--blue);margin-top:0}.sb78ebc7-sources li{margin:.55rem 0}.sb78ebc7-sources a{color:var(--blue);font-weight:900;text-underline-offset:3px}
@media(max-width:800px){.sb78ebc7-privacy{grid-template-columns:1fr}.sb78ebc7-faq-grid{grid-template-columns:1fr}}