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var(--rule) 1px, transparent 1px);pointer-events:none;background-size:2.7rem 2.7rem;position:absolute;inset:0;-webkit-mask-image:radial-gradient(circle at 50% 45%,#000,#0000 78%);mask-image:radial-gradient(circle at 50% 45%,#000,#0000 78%)}.hero-proof-label{color:var(--ink-3);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;font-size:.62rem;font-weight:580}.hero-flow-track{grid-template-columns:minmax(0,1fr) auto minmax(0,1.12fr) auto minmax(0,1fr);align-items:center;min-width:0;margin-top:clamp(2rem,4vw,3.4rem);display:grid}.hero-flow-node{border:1px solid var(--rule-strong);border-radius:var(--radius);background:color-mix(in oklab, var(--surface) 92%, transparent);min-width:0;min-height:13rem;box-shadow:none;flex-direction:column;padding:clamp(1.1rem,2vw,1.55rem);display:flex}.hero-flow-node--local{border-color:var(--night-rule);min-height:15.5rem;color:var(--night-muted);background:radial-gradient(circle at 50% 18%, color-mix(in oklab, var(--accent) 36%, 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258);background-image:linear-gradient(color-mix(in oklab, var(--night-rule) 42%, transparent) 1px, transparent 1px), linear-gradient(90deg, color-mix(in oklab, var(--night-rule) 42%, transparent) 1px, transparent 1px);background-size:2.5rem 2.5rem;grid-template-rows:auto 1fr auto;min-width:0;min-height:39rem;display:grid;overflow:hidden;box-shadow:inset 0 0 7rem oklab(0% none none/.54)}.kerr-head,.kerr-readout{color:color-mix(in oklab, var(--night-muted) 78%, transparent);background:color-mix(in oklab, var(--night) 72%, transparent);padding:1rem 1.2rem}.kerr-head{border-bottom:1px solid var(--night-rule)}.kerr-head>span:last-child{align-items:center;gap:.5rem;display:inline-flex}.kerr-readout{border-top:1px solid var(--night-rule)}.black-hole{isolation:isolate;min-height:28rem;position:relative;overflow:hidden}.black-hole:before,.black-hole:after{content:"";border-radius:50%;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.black-hole:before{z-index:1;aspect-ratio:1;background:conic-gradient(from 35deg, transparent 0 14%, oklch(76% .15 73/.8) 18%, white 22%, oklch(65% .2 255/.9) 29%, transparent 38% 60%, oklch(68% .18 250/.82) 70%, white 75%, oklch(74% .14 73/.72) 82%, transparent 90%);filter:blur(5px);width:min(27rem,78%);-webkit-mask:radial-gradient(circle,#0000 0 23%,#000 28% 34%,#0000 43%);mask:radial-gradient(circle,#0000 0 23%,#000 28% 34%,#0000 43%)}.black-hole:after{z-index:0;aspect-ratio:1;background:radial-gradient(circle, color-mix(in oklab, var(--accent) 15%, transparent) 0 14%, transparent 58%);width:min(34rem,96%)}.event-horizon{z-index:3;aspect-ratio:1;width:min(9rem,25%);box-shadow:0 0 0 .4rem oklab(100% 0 5.96046e-8/.18), 0 0 2rem .5rem oklab(100% 0 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h2{max-width:10ch;color:var(--night-ink);margin-top:1.35rem;font-size:clamp(2.6rem,5vw,5.2rem);line-height:.94}.open-invite h2 span{color:oklch(76% .14 251);display:block}.open-invite>div:last-child{border-top:1px solid var(--night-rule);padding-top:1.15rem}.open-invite>div:last-child>p{font-size:1rem;line-height:1.65}.open-invite .button{width:100%;margin-top:1.5rem}.site-footer{color:var(--night-muted);border-top:1px solid var(--night-rule);background:oklch(14.5% .025 255)}.footer-inner{padding-block:2rem}.footer-statement-row{border-bottom:1px solid var(--night-rule);grid-template-columns:minmax(0,1fr);align-items:end;gap:2rem;padding-bottom:2.5rem;display:grid}.footer-kicker{color:oklch(77% .14 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251);flex:none}.footer-meta{color:var(--night-muted);font-family:var(--font-mono);letter-spacing:.06em;text-transform:uppercase;flex-direction:column;align-items:flex-start;gap:.75rem;padding-top:1.5rem;font-size:.625rem;font-weight:600;line-height:1.4;display:flex}.footer-meta-identity,.footer-meta-links{align-items:center;gap:1rem;display:flex}.footer-meta-identity{flex-direction:column;align-items:flex-start;gap:.5rem}.footer-meta-identity>span[aria-hidden=true]{display:none}.footer-meta a{min-height:44px;color:var(--night-ink);transition:color var(--motion-duration-fast) ease;align-items:center;gap:.5rem;display:inline-flex}@media (width>=860px){.footer-statement-row{grid-template-columns:minmax(0,1.35fr) minmax(18rem,.65fr);gap:5rem}.footer-meta{flex-direction:row;align-items:center}.footer-meta-identity{flex-direction:row;align-items:center;gap:1rem}.footer-meta-identity>span[aria-hidden=true]{display:inline}.footer-meta-links{margin-left:auto}}@media (width<=1080px){.hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(17rem,.75fr);gap:3rem}.section-heading,.open-invite{gap:3rem}}@media (width<=860px){.header-inner{grid-template-columns:minmax(0,1fr) auto}.desktop-nav{display:none}.mobile-menu{display:block}.hero-grid,.section-heading,.experiment-grid,.open-invite{grid-template-columns:1fr}.hero-copy h1{max-width:10.5ch;font-size:clamp(3.4rem,9vw,4.8rem)}.hero-aside{max-width:40rem}.hero-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-proof-body{grid-template-columns:1fr}.hero-boundary{border-top:1px solid var(--night-rule);border-left:0}.section-heading{gap:1.75rem}.section-heading>p{max-width:44rem}.section-heading h2{max-width:11ch}.experiment-copy{max-width:43rem}.kerr-instrument{min-height:34rem}.open-invite{align-items:start}.open-invite>div:last-child{max-width:40rem}}@media (width<=700px){.source-link span{display:none}.source-link{width:44px;min-height:44px;padding-inline:0}.hero{padding-top:2.8rem}.hero-copy h1{font-size:clamp(2.75rem,14vw,4.4rem)}.hero-actions,.hero-flow-track{grid-template-columns:1fr}.hero-flow-node{min-height:10.5rem}.hero-flow-node--local{min-height:13.5rem}.hero-flow-arrow{width:auto;height:2.6rem;transform:rotate(90deg)}.tool-grid{grid-template-columns:1fr}.tool-card{min-height:28rem}.principles-list{grid-template-columns:1fr}.principles-list article{border-right:0;border-bottom:1px solid var(--rule);min-height:15rem}.principles-list article:last-child{border-bottom:0}.principles-list article>svg{margin-top:2rem}.principles-list p{margin-top:1.5rem}}@media (width<=480px){.hero-copy h1{font-size:clamp(2.75rem,14vw,4.4rem)}.hero-proof-head{flex-direction:column;align-items:flex-start}.tool-meta{grid-template-columns:1fr;gap:.7rem}.experiment-actions{flex-direction:column;align-items:stretch}.experiment-actions .text-link{justify-content:center}.experiment-meta{grid-template-columns:1fr}.kerr-instrument{min-height:29rem}.black-hole{min-height:23rem}.kerr-readout span:nth-child(2){display:none}.open-invite{padding:1.3rem}}@media (hover:none){.button,.source-link,.tool-launch,.tool-source,.footer-index a,.footer-meta a{min-height:44px}}@media (hover:hover) and (pointer:fine){.desktop-nav a:hover{color:var(--ink)}.desktop-nav a:hover:after{opacity:1}.source-link:hover{border-color:var(--accent);color:var(--ink);background:var(--surface)}.mobile-menu button:hover{background:var(--paper-2)}.button:hover{border-color:color-mix(in oklab, var(--accent) 50%, var(--rule-strong))}.button--primary:hover{border-color:var(--accent-hover);background:var(--accent-hover)}.button--light:hover{background:#fff;border-color:#fff}.tool-source:hover{color:var(--tool-accent);background:color-mix(in oklab, var(--tool-accent) 6%, transparent)}.text-link:hover{color:oklch(76% .14 251)}.footer-index a:hover,.footer-meta a:hover{color:oklch(77% .14 250)}}@media (prefers-reduced-motion:reduce){:root{--motion-duration-subtle:80ms;--motion-duration-fast:80ms;--motion-duration-normal:.1s;--motion-distance-sm:0rem;--motion-scale-press:1;--motion-scale-surface:1}html{scroll-behavior:auto}}