:root{--chain-bg:#05090c;--chain-panel:#091117;--chain-panel-2:#0c171d;--chain-ink:#f1f5f3;--chain-muted:#93a2a7;--chain-faint:#63747b;--chain-line:#9fbabe29;--chain-line-strong:#9fbabe47;--chain-cyan:#46d7ce;--chain-cyan-dark:#103c3e;--chain-copper:#b78a55;--chain-amber:#e7bc4f;--chain-red:#ff695f;--chain-mono:"IBM Plex Mono", monospace;--chain-display:"Barlow Condensed", sans-serif;--chain-sans:Inter, sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body.chain-page{color:var(--chain-ink);background:var(--chain-bg);font-family:var(--chain-sans);margin:0}.chain-page main{overflow:hidden}.chain-skip{z-index:999;color:#011;background:var(--chain-cyan);padding:10px 14px;position:fixed;top:10px;left:10px;transform:translateY(-150%)}.chain-skip:focus{transform:translateY(0)}.chain-page a:focus-visible{outline:2px solid var(--chain-cyan);outline-offset:4px}.chain-page button:focus-visible{outline:2px solid var(--chain-cyan);outline-offset:4px}.chain-page input:focus-visible{outline:2px solid var(--chain-cyan);outline-offset:4px}.chain-hero{border-bottom:1px solid var(--chain-line-strong);background:radial-gradient(circle at 68% 42%,#18676833,#0000 29%),linear-gradient(120deg,#05090c 0%,#071015 54%,#030608 100%);grid-template-columns:minmax(0,1.45fr) minmax(320px,.55fr);gap:clamp(48px,9vw,150px);min-height:780px;padding:clamp(145px,14vw,220px) max(5vw,24px) 100px;display:grid}.chain-hero__copy{align-self:center;max-width:920px}.chain-kicker{max-width:690px;color:var(--chain-cyan);font:500 .65rem/1.3 var(--chain-mono);letter-spacing:.12em;text-transform:uppercase;justify-content:space-between;margin:0 0 36px;display:flex}.chain-hero h1{max-width:980px;font:500 clamp(5rem, 10vw, 10rem)/.78 var(--chain-display);letter-spacing:-.045em;text-transform:uppercase;margin:0}.chain-hero__lead{color:#bdc8c9;max-width:720px;margin:48px 0 0;font-size:clamp(1rem,1.45vw,1.22rem);line-height:1.7}.chain-hero__actions{flex-wrap:wrap;gap:10px;margin-top:38px;display:flex}.chain-button{min-height:46px;color:var(--chain-ink);border:1px solid var(--chain-line-strong);font:500 .67rem/1 var(--chain-mono);letter-spacing:.04em;text-transform:uppercase;cursor:pointer;background:0 0;justify-content:center;align-items:center;padding:0 19px;text-decoration:none;display:inline-flex}.chain-button:hover{border-color:var(--chain-cyan)}.chain-button--primary{color:#001413;border-color:var(--chain-cyan);background:var(--chain-cyan)}.chain-terminal{border:1px solid var(--chain-line-strong);background:#070e12c2;align-self:center;box-shadow:0 30px 100px #0000004d}.chain-terminal__head{border-bottom:1px solid var(--chain-line-strong);color:var(--chain-muted);font:500 .62rem/1 var(--chain-mono);text-transform:uppercase;justify-content:space-between;padding:18px 20px;display:flex}.chain-terminal__head strong{color:var(--chain-cyan)}.chain-terminal>code{overflow-wrap:anywhere;color:#d6e7e5;font:400 .68rem/1.7 var(--chain-mono);padding:26px 20px 34px;display:block}.chain-terminal dl{border-top:1px solid var(--chain-line);margin:0}.chain-terminal dl div{border-bottom:1px solid var(--chain-line);grid-template-columns:1fr auto;gap:20px;padding:13px 20px;display:grid}.chain-terminal dt{color:var(--chain-faint);font:500 .59rem/1.3 var(--chain-mono);text-transform:uppercase}.chain-terminal dd{font:500 .7rem/1.3 var(--chain-mono);margin:0}.chain-terminal>p{color:var(--chain-muted);margin:0;padding:18px 20px;font-size:.69rem;line-height:1.5}.chain-boundary{color:var(--chain-muted);border-bottom:1px solid var(--chain-line-strong);background:#071015;grid-template-columns:auto minmax(0,1fr) auto minmax(0,1fr);gap:18px 26px;padding:22px max(5vw,24px);font-size:.72rem;line-height:1.55;display:grid}.chain-boundary span{color:var(--chain-cyan);font:500 .59rem/1.5 var(--chain-mono);text-transform:uppercase}.chain-boundary p{margin:0}.chain-workbench,.chain-mutation,.chain-layers,.chain-source{padding:110px max(5vw,24px)}.chain-section-head{grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:40px;margin-bottom:50px;display:grid}.chain-label{color:var(--chain-cyan);font:500 .62rem/1.3 var(--chain-mono);letter-spacing:.1em;text-transform:uppercase;margin:0 0 12px}.chain-section-head h2,.chain-mutation h2{max-width:950px;font:500 clamp(3.2rem, 6vw, 6.5rem)/.88 var(--chain-display);letter-spacing:-.03em;text-transform:uppercase;margin:0}.chain-verification{grid-template-columns:minmax(190px,1fr) auto;align-items:center;gap:5px 18px;min-width:400px;display:grid}.chain-verification span{color:var(--chain-muted);font:400 .62rem/1.4 var(--chain-mono);text-align:right}.chain-verification strong{color:var(--chain-amber);font:500 1rem/1 var(--chain-mono);border:1px solid;grid-row:span 2;padding:16px}.chain-verification strong[data-state=pass]{color:var(--chain-cyan)}.chain-verification strong[data-state=fail]{color:var(--chain-red)}.chain-verification button,.chain-map__controls button,.chain-entry__signature button{color:var(--chain-ink);font:500 .61rem/1.4 var(--chain-mono);text-underline-offset:4px;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.chain-verification button{color:var(--chain-cyan);justify-self:end}.chain-verification button:disabled{opacity:.5}.chain-map{border:1px solid var(--chain-line-strong);background:#071015;padding:28px 34px 24px;position:relative}.chain-map__legend{color:var(--chain-faint);font:500 .55rem/1.4 var(--chain-mono);text-transform:uppercase;flex-wrap:wrap;gap:18px;display:flex}.chain-map__legend span:before{border:1px solid var(--chain-faint);content:"";width:8px;height:8px;margin-right:7px;display:inline-block}.chain-map__legend span:nth-child(2):before{border-color:var(--chain-cyan);background:var(--chain-cyan)}.chain-map__legend span:nth-child(3):before{border-color:var(--chain-copper);background:var(--chain-copper)}.chain-map__legend span:nth-child(4):before{border-color:var(--chain-amber);background:var(--chain-amber)}#chain-canvas{width:100%;height:145px;display:block}.chain-map input[type=range]{z-index:2;opacity:.001;cursor:ew-resize;width:calc(100% - 68px);height:145px;margin:0;position:absolute;top:58px;left:34px;right:34px}.chain-map__boundary{top:78px;left:calc(34px + (100% - 68px) * var(--disclosure-ratio));pointer-events:none;background:#46d7ce59;width:1px;height:93px;position:absolute}.chain-map__boundary span,.chain-map__boundary strong{width:145px;color:var(--chain-cyan);font:500 .52rem/1.35 var(--chain-mono);text-align:right;text-transform:uppercase;position:absolute;right:9px}.chain-map__boundary span{top:-5px}.chain-map__boundary strong{color:var(--chain-ink);top:12px}.chain-map__axis{color:var(--chain-faint);font:400 .55rem/1.45 var(--chain-mono);grid-template-columns:1fr 1fr 1fr;display:grid}.chain-map__axis span:nth-child(2){color:var(--chain-cyan);text-align:center}.chain-map__axis span:last-child{text-align:right}.chain-map__controls{justify-content:center;gap:20px;padding-top:24px;display:flex}.chain-map__controls button:disabled{color:var(--chain-faint);cursor:default}.chain-inspector{border:1px solid var(--chain-line-strong);border-top:0;grid-template-columns:minmax(0,1fr) minmax(280px,.32fr);display:grid}.chain-entry{background:var(--chain-panel);min-width:0}.chain-entry>header{border-bottom:1px solid var(--chain-line-strong);justify-content:space-between;align-items:end;gap:30px;padding:28px 30px;display:flex}.chain-entry>header span{color:var(--chain-faint);font:500 .57rem/1.4 var(--chain-mono);text-transform:uppercase}.chain-entry>header h3{font:500 3rem/1 var(--chain-display);margin:7px 0 0}.chain-entry>header h3 strong{color:var(--chain-cyan);font-weight:500}.chain-entry__meta{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.chain-entry__meta span{border:1px solid var(--chain-line-strong);padding:7px 9px;color:var(--chain-muted)!important}.chain-entry__meta span[data-state=public]{border-color:var(--chain-cyan-dark);color:var(--chain-cyan)!important}.chain-entry__meta span[data-state=bitcoin]{color:var(--chain-copper)!important}.chain-entry__meta span[data-state=pending]{color:var(--chain-amber)!important}.chain-equation{border-bottom:1px solid var(--chain-line-strong);grid-template-columns:1fr auto 1fr auto .7fr auto 1fr;align-items:stretch;display:grid}.chain-equation>div{min-width:0;padding:27px 24px}.chain-equation>i{color:var(--chain-faint);font:400 1rem/1 var(--chain-mono);align-self:center;font-style:normal}.chain-equation span,.chain-entry__signature>span{color:var(--chain-faint);font:500 .55rem/1.4 var(--chain-mono);text-transform:uppercase;margin-bottom:17px;display:block}.chain-equation code,.chain-entry__signature code{overflow-wrap:anywhere;color:#c9d5d4;font:400 .62rem/1.65 var(--chain-mono);display:block}.chain-equation__result{background:#46d7ce0a}.chain-equation__result code{color:var(--chain-cyan)}.chain-entry__signature{padding:25px 30px 30px}.chain-entry__signature code{max-width:100%}.chain-entry__signature button{color:var(--chain-cyan);margin-top:20px}.chain-proof{border-left:1px solid var(--chain-line-strong);background:#060d11;padding:28px 24px}.chain-proof__score{border-bottom:1px solid var(--chain-line);justify-content:space-between;align-items:baseline;padding-bottom:20px;display:flex}.chain-proof__score span{color:var(--chain-faint);font:500 .57rem/1 var(--chain-mono);text-transform:uppercase}.chain-proof__score strong{font:500 1.2rem/1 var(--chain-mono)}.chain-proof ol{margin:0;padding:0;list-style:none}.chain-proof li{border-bottom:1px solid var(--chain-line);grid-template-columns:auto 1fr auto;align-items:start;gap:12px;padding:18px 0;display:grid}.chain-proof li>span{color:var(--chain-faint);font:400 .56rem/1.5 var(--chain-mono)}.chain-proof li strong{font-size:.75rem;display:block}.chain-proof li small{color:var(--chain-faint);margin-top:5px;font-size:.62rem;line-height:1.4;display:block}.chain-proof li b{color:var(--chain-faint);font:500 .55rem/1.5 var(--chain-mono)}.chain-proof li[data-state=pass] b{color:var(--chain-cyan)}.chain-proof li[data-state=pending] b{color:var(--chain-amber)}.chain-proof>p{margin:24px 0 0}.chain-proof>p span{color:var(--chain-faint);font:500 .55rem/1 var(--chain-mono);text-transform:uppercase;margin-bottom:9px;display:block}.chain-proof>p code{overflow-wrap:anywhere;color:var(--chain-muted);font:400 .55rem/1.6 var(--chain-mono);display:block}.chain-mutation{border-top:1px solid var(--chain-line-strong);border-bottom:1px solid var(--chain-line-strong);background:#071015;grid-template-columns:minmax(0,.8fr) minmax(400px,1.2fr);gap:clamp(60px,10vw,170px);display:grid}.chain-mutation__copy>p:not(.chain-label){max-width:650px;color:var(--chain-muted);margin:32px 0;line-height:1.75}.chain-mutation__lab{border:1px solid var(--chain-line-strong);background:#050b0f;align-self:center}.chain-mutation__lab>div{border-bottom:1px solid var(--chain-line);grid-template-columns:160px minmax(0,1fr);gap:18px;padding:16px 20px;display:grid}.chain-mutation__lab span{color:var(--chain-faint);font:500 .56rem/1.5 var(--chain-mono);text-transform:uppercase}.chain-mutation__lab code{overflow-wrap:anywhere;color:var(--chain-muted);font:400 .62rem/1.5 var(--chain-mono)}.chain-mutation__lab>p{color:var(--chain-faint);font:500 .65rem/1.6 var(--chain-mono);margin:0;padding:22px 20px}.chain-mutation__lab[data-state=broken]{border-color:#ff695f8c;box-shadow:0 0 80px #ff695f14}.chain-mutation__lab[data-state=broken]>p,.chain-mutation__lab[data-state=broken] #mutation-test-date,.chain-mutation__lab[data-state=broken] #mutation-test-hash{color:var(--chain-red)}.chain-layers__grid{border-top:1px solid var(--chain-line-strong);border-left:1px solid var(--chain-line-strong);grid-template-columns:repeat(4,1fr);display:grid}.chain-layers__grid article{border-right:1px solid var(--chain-line-strong);border-bottom:1px solid var(--chain-line-strong);flex-direction:column;min-height:350px;padding:26px;display:flex}.chain-layers__grid article>span{color:var(--chain-cyan);font:500 .6rem/1 var(--chain-mono)}.chain-layers__grid h3{max-width:260px;font:500 2.2rem/1 var(--chain-display);text-transform:uppercase;margin:70px 0 20px}.chain-layers__grid p{color:var(--chain-muted);margin:0;font-size:.76rem;line-height:1.7}.chain-layers__grid strong{color:var(--chain-copper);font:500 .57rem/1.4 var(--chain-mono);text-transform:uppercase;margin-top:auto;padding-top:28px}.chain-source{background:#030709}.chain-source__grid{border-top:1px solid var(--chain-line-strong);grid-template-columns:1fr 1fr;display:grid}.chain-source__grid a{min-width:0;color:var(--chain-ink);border-bottom:1px solid var(--chain-line-strong);grid-template-columns:.6fr 1fr;gap:8px 24px;padding:24px 0;text-decoration:none;display:grid}.chain-source__grid a:nth-child(odd){border-right:1px solid var(--chain-line-strong);padding-right:35px}.chain-source__grid a:nth-child(2n){padding-left:35px}.chain-source__grid span{color:var(--chain-faint);font:500 .56rem/1.4 var(--chain-mono);text-transform:uppercase}.chain-source__grid strong{font-size:.78rem}.chain-source__grid code{overflow-wrap:anywhere;color:var(--chain-faint);font:400 .55rem/1.45 var(--chain-mono);grid-column:2}.chain-source__grid a:hover strong{color:var(--chain-cyan)}.chain-source__boundary{max-width:1050px;color:var(--chain-muted);border-left:2px solid var(--chain-copper);margin:45px 0 0 auto;padding-left:18px;font-size:.73rem;line-height:1.7}.chain-source__boundary strong{color:var(--chain-ink)}.chain-source__boundary code{color:var(--chain-cyan);font-family:var(--chain-mono)}@media (max-width:1180px){.chain-hero{grid-template-columns:1fr;min-height:auto}.chain-terminal{max-width:620px}.chain-inspector{grid-template-columns:1fr}.chain-proof{border-top:1px solid var(--chain-line-strong);border-left:0}.chain-equation{grid-template-columns:1fr auto 1fr}.chain-equation>div:nth-of-type(3),.chain-equation>div:nth-of-type(4){border-top:1px solid var(--chain-line)}.chain-equation>i:nth-of-type(3){display:none}.chain-layers__grid{grid-template-columns:1fr 1fr}}@media (max-width:800px){.chain-hero{padding-top:125px}.chain-hero h1{font-size:clamp(4rem,19vw,6rem)}.chain-kicker{flex-direction:column;gap:7px}.chain-boundary,.chain-section-head{grid-template-columns:1fr}.chain-verification{min-width:0}.chain-verification span{text-align:left}.chain-verification button{justify-self:start}.chain-map{padding-left:18px;padding-right:18px}.chain-map input[type=range]{width:calc(100% - 36px);left:18px;right:18px}.chain-map__boundary{left:calc(18px + (100% - 36px) * var(--disclosure-ratio))}.chain-map__controls{grid-template-columns:1fr 1fr;display:grid}.chain-entry>header{flex-direction:column;align-items:flex-start}.chain-entry__meta{justify-content:flex-start}.chain-equation{grid-template-columns:1fr}.chain-equation>i{display:none}.chain-equation>div{border-top:1px solid var(--chain-line)}.chain-mutation,.chain-mutation__lab>div,.chain-source__grid{grid-template-columns:1fr}.chain-source__grid a:nth-child(odd),.chain-source__grid a:nth-child(2n){border-right:0;padding-left:0;padding-right:0}}@media (max-width:520px){.chain-workbench,.chain-mutation,.chain-layers,.chain-source{padding-top:80px;padding-bottom:80px}.chain-hero__actions{display:grid}.chain-terminal dl div{grid-template-columns:1fr;gap:5px}.chain-map__legend{grid-template-columns:1fr 1fr;display:grid}.chain-map__boundary span,.chain-map__boundary strong{width:100px;font-size:.45rem}.chain-map__axis span:nth-child(2){display:none}.chain-map__axis{grid-template-columns:1fr 1fr}.chain-map__controls,.chain-layers__grid{grid-template-columns:1fr}.chain-layers__grid article{min-height:300px}.chain-source__grid a{grid-template-columns:1fr}.chain-source__grid code{grid-column:1}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}