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.site-header__navigation{display:flex}.primary-nav{border-top:1px solid var(--paper-faint);flex-direction:column;align-items:stretch;gap:0}.primary-nav a{border-bottom:1px solid var(--paper-faint);font-family:var(--display);padding:1.25rem 0;font-size:2rem;line-height:1}.primary-nav a:after{display:none}.site-header__tools{flex-direction:column;align-items:stretch}.site-header__tools .locale-switcher{align-self:flex-start}.header-contact{justify-content:space-between}.hero__layout{grid-template-columns:minmax(0,1fr);gap:2rem;min-height:0}.hero__copy,.hero__evidence{padding-bottom:2rem}.hero h1{max-width:10ch}.section-header--split,.faq__layout,.final-cta__layout{grid-template-columns:minmax(0,1fr)}.section-header__intro{max-width:46rem}.engine-row{grid-template-columns:minmax(0,1fr);gap:2.5rem}.engine-row--reverse .engine-row__copy,.engine-row--reverse .engine-row__visual{order:initial}.path-grid,.governance-grid{grid-template-columns:repeat(2,1fr)}.path-grid li:nth-child(3),.governance-grid article:nth-child(3){border-left:0}.path-grid li:nth-child(n+3),.governance-grid article:nth-child(n+3){border-top:1px solid #0e0f1a59}.governance-grid article:nth-child(n+3){border-top-color:var(--paper-faint)}.path-grid__arrow{display:none}.application-grid,.architecture-grid{grid-template-columns:1fr}.application-card__copy,.architecture-grid li{min-height:0}.architecture-grid li+li{border-top:1px solid var(--ink);border-left:0}.architecture-grid__connector{display:none}.faq .section-header{position:static}.site-footer__grid{grid-template-columns:1fr 1fr}.site-footer__brand{grid-column:1/-1}}@media (width<=47.999rem){:root{--header-height:4.75rem;--gutter:1.25rem}.brand-link{font-size:1.25rem}.hero{padding-top:3.5rem}.hero h1{font-size:clamp(3.65rem,18vw,5.1rem)}.hero__lead{margin-top:1.5rem}.action-row,.not-found nav{flex-direction:column;align-items:stretch}.action-link{width:100%}.hero__technical-line{grid-template-columns:1fr}.hero__technical-line p{min-height:4.2rem;padding-inline:0}.hero__technical-line p+p{border-top:1px solid var(--paper-faint);border-left:0}.page-section{padding:5.5rem 0}.section-header{margin-bottom:3rem}.section-header h2,.final-cta h2{font-size:clamp(2.8rem,12vw,4.2rem)}.section-header--split{gap:1.5rem}.numbered-grid--three,.path-grid,.governance-grid,.governance-boundaries,.ecosystem-grid,.evidence-grid,.site-footer__grid{grid-template-columns:minmax(0,1fr)}.numbered-card,.path-grid li,.governance-grid article,.ecosystem-grid article,.governance-boundaries article{min-height:0}.numbered-card+.numbered-card,.path-grid li+li,.governance-grid article+article,.ecosystem-grid article:nth-child(2n){border-left:0}.path-grid li:nth-child(n+2),.governance-grid article:nth-child(n+2){border-top:1px solid #0e0f1a59}.governance-grid article:nth-child(n+2){border-top-color:var(--paper-faint)}.engine-distinction{grid-template-columns:1fr;min-height:20rem;padding:1rem}.engine-distinction>span{justify-self:center}.evidence-grid__item--lead{grid-column:auto}.evidence-figure--compact .evidence-figure__caption{min-height:0}.application-card__copy{padding:1.5rem}.faq-item summary{grid-template-columns:2rem 1fr 2.75rem;gap:.6rem}.faq-item__answer{padding:0 0 1.75rem 2.6rem}.final-cta__layout{gap:3rem}.site-footer__brand{flex-direction:column;grid-column:auto}.site-footer__bottom{flex-direction:column;gap:1rem}.lightbox{border:0;width:100vw;max-height:100dvh}.lightbox__stage{grid-template-columns:3rem minmax(0,1fr) 3rem}.lightbox__arrow{width:3rem}.lightbox__stage img{max-height:calc(100dvh - 15rem)}.lightbox__copy{padding-inline:1.25rem}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}