:root{--navy:#082951;--navy2:#0d3769;--dark:#0b2549;--blue:#1f5da6;--border:#cdddf0;--muted:#657b9b;--ink:#071f47;--paper:#fff;--pale:#f3f8fd}*{box-sizing:border-box}html{scroll-behavior:smooth}body.rationale-launch{background:#f6faff;color:#071f47;font-family:var(--font-body);font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}.review-wrap{width:min(1260px,calc(100% - 92px));margin:auto}.rationale-launch .site-header{height:80px;min-height:80px;background:#fff;border-bottom:1px solid #dfe9f5;position:sticky;top:0;z-index:19}.rationale-launch .nav-shell{width:min(1260px,calc(100% - 92px));height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between}.rationale-launch .parent-lockup{width:236px;height:auto;display:block}.rationale-launch .nav-links{display:flex;align-items:center;gap:48px;color:#133361;font-size:14px}.rationale-launch .nav-links 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@media(max-width:760px){.review-wrap,.nav-shell{width:calc(100% - 28px)}.rationale-launch .site-header{height:75px;min-height:75px}.rationale-launch .parent-lockup{width:170px}.rationale-launch .nav-links{display:flex;gap:15px;font-size:10px}.rationale-launch .nav-links a:last-child{display:none}.research-hero{height:300px}.research-hero-inside{padding:45px 7px}.research-hero h1{font-size:31px;max-width:300px}.research-hero-eyebrow{font-size:10px;margin-bottom:15px}.research-hero-claim{font-size:12px;line-height:1.3;max-width:260px}.research-hero-support{font-size:11px;max-width:250px;line-height:1.5}.wide-only{display:none}.research-hero-arrow{width:430px;height:390px;right:-230px;top:-30px;opacity:.16}.two-tabs{min-height:51px;padding:0 12px;gap:13px;justify-content:space-between}.two-tabs a{font-size:9px;padding:0 4px}.body-bg{padding:17px 0 50px}.rationale-layout{display:block}.side-rail{display:none}.mobile-contents{display:block;border-radius:8px;border:1px solid #d0e1f5;background:#f8fbff;margin-bottom:11px;overflow:hidden}.mobile-contents button{display:flex;justify-content:space-between;align-items:center;background:none;border:none;width:100%;padding:14px 15px;font-size:11px;letter-spacing:.08em;color:#25568e;font-weight:700}.mobile-contents-links{display:none;border-top:1px solid #d9e6f4;padding:10px 14px;gap:12px;flex-wrap:wrap}.mobile-contents.is-open .mobile-contents-links{display:flex}.mobile-contents.is-open button svg{transform:rotate(180deg)}.mobile-contents a{font-size:11px;color:#174b85}.main-stream{gap:11px}.context-paper{padding:19px 18px 18px;border-radius:10px}.context-heading{font-size:10px;margin-bottom:11px;gap:9px}.context-paper h2{font-size:24px;line-height:1.14;margin-bottom:15px;max-width:290px}.context-text{font-size:12px;line-height:1.64;max-height:129px}.context-text p{margin-bottom:10px}.context-panel:not(.is-open) .context-text:after{height:49px}.read-more{margin-top:14px}.expand-button{font-size:11px;padding:10px 13px}.pale-arrow{opacity:.06}.app-head{height:90px;padding:15px 13px}.app-head-text{gap:8px}.app-number{font-size:11px;padding-right:8px}.app-head h2{font-size:22px}.app-visual{height:73px;max-width:115px;right:95px;opacity:.58}.app-visual.i-trace{max-width:95px;right:90px}.app-visual.kemflux{max-width:100px;right:95px}.app-toggle{padding:9px 8px;gap:3px}.app-toggle .closed-label,.app-toggle .opened-label{display:none!important}.app-toggle svg{width:18px;height:18px}.feature{display:block;padding:15px 16px}.feature-title{gap:10px}.feature-title h3{font-size:12.7px}.mini-icon{width:19px;height:19px;min-width:19px}.feature-copy{font-size:12px;line-height:1.63;margin:10px 0 0 28px}.app-panel:not(.is-open) .feature{padding:12px 16px}.feature-list .implications-heading{font-size:11px;padding:14px 16px}.app-panel:not(.is-open) .implications-heading{font-size:10px;padding:10px 16px}footer{padding:22px 0}footer .footer-brand img{width:135px}footer nav{gap:9px;flex-wrap:wrap}footer nav a{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
/* Final review: keep the existing four-label mobile navigation and single-line section index. */
@media(min-width:761px){.side-link{gap:11px;font-size:12.5px;padding-left:12px;padding-right:8px}.side-link .side-number{min-width:19px}}
@media(max-width:760px){.rationale-launch .site-header{height:113px;min-height:113px}.nav-shell{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:15px;padding-top:7px}.rationale-launch .parent-lockup{width:189px}.rationale-launch .nav-links{width:100%;display:flex;gap:10px;justify-content:space-between;align-items:center;font-size:12px}.rationale-launch .nav-links a:last-child{display:block}}

/* Adapt the approved design to the user's actual nav and non-conflicting CSS. */
.rationale-launch .nav-links a{color:#122c55;font-size:.875rem;font-weight:500}
.rationale-launch .review-layout {max-width:none;background:#f6faff}
.rationale-launch .review-layout .research-hero{height:345px}
.rationale-launch .review-layout .app-panel,.rationale-launch .review-layout .context-panel{scroll-margin-top:calc(var(--header-height) + 24px)}
.rationale-launch .review-layout .app-head{background:linear-gradient(105deg,#09264d,#0e3b70 68%,#072b55)}
.rationale-launch .review-layout .app-visual{border-radius:4px;max-width:220px;opacity:.63;filter:saturate(.48) contrast(1.07);mask-image:linear-gradient(90deg,transparent 0%,black 27%,black 95%)}
.rationale-launch .review-layout .app-visual.i-trace{max-width:178px;opacity:.62}
.rationale-launch .review-layout .app-visual.kemflux{max-width:175px;opacity:.62}
.rationale-launch .review-layout .app-toggle{min-width:112px}
.rationale-launch .review-layout .feature-list .implications-heading{margin:0}
.rationale-launch .review-layout .research-hero-arrow{opacity:.16}
.rationale-launch .review-layout .research-hero h1{max-width:750px}
.rationale-launch .review-layout .context-text a{color:#1b5da1;text-decoration:underline;text-decoration-color:#99b5d4;text-underline-offset:2px}
.rationale-launch .review-layout .mobile-contents-links a{padding:5px 0}
.rationale-launch .site-header .brand-lockup-parent{max-width:58%}
.rationale-launch .site-footer{background:#092a52}
@media(max-width:760px){
.rationale-launch .nav-shell{width:calc(100% - 28px);height:100%;display:flex;flex-direction:column;justify-content:center;align-items:stretch;gap:11px}
.rationale-launch .nav-links{width:100%;display:flex;justify-content:space-between;gap:10px;flex-wrap:nowrap!important}
.rationale-launch .nav-links a{font-size:clamp(.66rem,2.75vw,.82rem)}
.rationale-launch .review-layout .research-hero{height:300px}
.rationale-launch .review-layout .app-visual{max-width:92px;opacity:.52;right:85px}
.rationale-launch .review-layout .app-visual.i-trace{max-width:85px;right:89px}
.rationale-launch .review-layout .app-visual.kemflux{max-width:90px;right:89px}
.rationale-launch .review-layout .app-toggle{min-width:39px}
}
.rationale-launch .review-layout .side-link.active{background:#e2effd;color:#0a2f64;font-weight:700;border-left:3px solid #1555a0;border-radius:4px}
/* The locked illustrations sit INSIDE the navy surface, with no rectangular photo edge. */
.rationale-launch .review-layout .app-visual{
 mask-image:linear-gradient(90deg,transparent 0%,black 27%,black 73%,transparent 100%);
 -webkit-mask-image:linear-gradient(90deg,transparent 0%,black 27%,black 73%,transparent 100%);
}