.mp-field-note{--mp-night:#081113;--mp-night-soft:#101d20;--mp-ivory:#f5efe1;--mp-ash:#aab5b2;--mp-signal:#f05a28;--mp-grid:#f5efe121;background:var(--mp-night);color:var(--mp-ivory);overflow:hidden}.mp-field-note a{text-underline-offset:.22em}.mp-hero{isolation:isolate;border-bottom:1px solid var(--mp-grid);background-image:linear-gradient(var(--mp-grid) 1px, transparent 1px), linear-gradient(90deg, var(--mp-grid) 1px, transparent 1px), radial-gradient(circle at 78% 40%, #f05a281f, transparent 26%);background-size:44px 44px,44px 44px,auto;grid-template-columns:minmax(0,1.45fr) minmax(310px,.55fr);align-items:center;gap:clamp(52px,8vw,112px);min-height:780px;padding:112px max(24px,50vw - 596px) 92px;display:grid;position:relative}.mp-hero:before{content:"";z-index:-1;background:linear-gradient(90deg, var(--mp-night) 0 47%, #081113bd 69%, var(--mp-night) 100%);position:absolute;inset:0}.mp-kicker{color:var(--mp-ash);letter-spacing:.13em;text-transform:uppercase;gap:18px;font:760 .74rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex}.mp-kicker span:first-child{color:#ff8a64}.mp-hero h1{letter-spacing:-.065em;text-wrap:balance;max-width:850px;margin:27px 0 31px;font:500 clamp(4.1rem,8vw,8.6rem)/.85 Georgia,Times New Roman,serif}.mp-deck{color:#d4dbd8;max-width:770px;margin:0;font-size:clamp(1.08rem,1.7vw,1.36rem);line-height:1.62}.mp-hero .eng-actions{border-color:var(--mp-grid);max-width:760px}.mp-hero .eng-actions-buttons button{color:var(--mp-ivory);background:0 0;border-color:#f5efe16b}.mp-hero .eng-actions-buttons button:hover{color:#ff8a64;border-color:#ff8a64}.mp-hero .eng-status{color:var(--mp-ash)}.mp-receipt{color:var(--ink);background:var(--mp-ivory);box-shadow:15px 15px 0 var(--mp-signal);padding:27px 28px 34px;position:relative;transform:rotate(1.2deg)}.mp-receipt:after{content:"";background:linear-gradient(135deg, transparent 6px, var(--mp-ivory) 0) 0 0/12px 12px repeat-x;height:12px;position:absolute;inset:auto 0 -10px}.mp-receipt-top{border-bottom:2px solid var(--ink);letter-spacing:.1em;text-transform:uppercase;justify-content:space-between;padding-bottom:17px;font:800 .69rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex}.mp-receipt-mark{border:3px solid var(--mp-signal);width:78px;height:78px;color:var(--mp-signal);border-radius:50%;place-items:center;margin:27px auto 22px;font:800 2.3rem/1 ui-sans-serif,system-ui,sans-serif;display:grid}.mp-receipt dl{margin:0}.mp-receipt dl div{border-top:1px dashed #1020244d;grid-template-columns:1fr auto;gap:18px;padding:11px 0;display:grid}.mp-receipt dt{color:var(--muted)}.mp-receipt dd{margin:0;font-weight:800}.mp-receipt dl div[data-limit] dd{color:var(--signal-dark)}.mp-receipt p{border-top:2px solid var(--ink);margin:22px 0 0;padding-top:17px;font:700 .83rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-cover-art{max-width:1240px;margin:0 auto;padding:80px 24px 0}.mp-cover-art img{border:1px solid #f5efe133;width:100%;height:auto;display:block}.mp-cover-art figcaption{color:var(--mp-ash);padding-top:13px;font:650 .72rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-opening{grid-template-columns:90px 1fr;gap:44px;max-width:1120px;margin:0 auto;padding:116px 24px 126px;display:grid}.mp-section-index{color:var(--mp-signal);font:700 .8rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-opening .section-label{color:#ff8a64}.mp-opening h2{letter-spacing:-.05em;text-wrap:balance;max-width:900px;margin:17px 0 28px;font:500 clamp(2.9rem,6vw,5.7rem)/.94 Georgia,Times New Roman,serif}.mp-lead{color:#d4dbd8;max-width:800px;font-size:1.22rem}.mp-verdict-grid{border:1px solid var(--mp-grid);grid-template-columns:1fr 1fr;margin-top:58px;display:grid}.mp-verdict-grid article{background:var(--mp-night-soft);min-height:310px;padding:31px}.mp-verdict-grid article+article{border-left:1px solid var(--mp-grid)}.mp-verdict-label{color:#ff8a64;letter-spacing:.1em;text-transform:uppercase;font:760 .7rem/1.2 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-verdict-grid h3{letter-spacing:-.025em;margin:45px 0 14px;font:500 1.8rem/1.08 Georgia,Times New Roman,serif}.mp-verdict-grid p{color:var(--mp-ash);margin:0}.mp-origin-note{border-left:3px solid var(--mp-signal);max-width:780px;color:var(--mp-ash);margin:48px 0 0;padding-left:19px;font-size:.94rem}.mp-origin-note a{color:var(--mp-ivory);text-decoration:underline}.mp-section-heading{grid-template-columns:90px minmax(0,1.25fr) minmax(260px,.65fr);align-items:end;gap:38px;max-width:1180px;margin:0 auto 58px;display:grid}.mp-section-heading>div:first-child>span{color:var(--signal-dark);font:760 .76rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-section-heading .section-label{margin-top:14px}.mp-section-heading h2{letter-spacing:-.052em;text-wrap:balance;margin:0;font:500 clamp(2.7rem,5vw,5.2rem)/.96 Georgia,Times New Roman,serif}.mp-section-heading>p{color:var(--muted);margin:0;font-size:.98rem;line-height:1.65}.mp-section-heading-light>p{color:var(--mp-ash)}.mp-section-heading-light .section-label,.mp-section-heading-light>div:first-child>span{color:#ff8a64}.mp-proof-mechanics,.mp-examples,.mp-builder-standard,.mp-sources{color:var(--ink);background:var(--mp-ivory);padding:118px max(24px,50vw - 596px)}.mp-proof-flow{grid-template-columns:repeat(3,minmax(0,1fr) 28px) minmax(0,1fr);align-items:stretch;max-width:1180px;margin:0 auto;display:grid}.mp-proof-flow article{background:#ffffff52;border:1px solid #10202440;flex-direction:column;min-height:315px;padding:25px 22px 24px;display:flex}.mp-flow-number{color:var(--signal-dark);font:800 .7rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-proof-flow h3{margin:52px 0 13px;font:500 1.55rem/1.08 Georgia,Times New Roman,serif}.mp-proof-flow p{color:var(--muted);margin:0 0 26px;font-size:.91rem}.mp-proof-flow strong{margin-top:auto;font:760 .73rem/1.45 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-flow-join{color:var(--signal-dark);place-items:center;font-size:1.35rem;display:grid}.mp-proof-boundary{border:1px solid #10202447;grid-template-columns:1fr 1fr;max-width:1180px;margin:66px auto 0;display:grid}.mp-proof-boundary>div{padding:33px}.mp-proof-boundary>div+div{border-left:1px solid #10202447}.mp-proof-boundary>div[data-warning]{background:var(--signal)}.mp-proof-boundary span{letter-spacing:.09em;text-transform:uppercase;font:820 .72rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-proof-boundary p{margin:16px 0 0;line-height:1.7}.mp-cite{vertical-align:super;border:1px solid;border-radius:50%;place-items:center;width:1.25rem;height:1.25rem;margin-left:.2rem;font:800 .58rem/1 ui-monospace,SFMono-Regular,Menlo,monospace;text-decoration:none;display:inline-grid}.mp-cite:hover{color:var(--signal-dark);background:var(--mp-ivory)}.mp-time-note{border-left:5px solid var(--mp-signal);background:#e6dfd2;grid-template-columns:220px 1fr;gap:32px;max-width:920px;margin:36px auto 0;padding:26px 29px;display:grid}.mp-time-note strong{text-transform:uppercase;letter-spacing:.08em;font:760 .76rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-time-note p{color:#304145;margin:0}.mp-layers,.mp-database-test,.mp-faq{color:var(--mp-ivory);background:var(--mp-night-soft);padding:118px max(24px,50vw - 596px)}.mp-layer-ledger{border:1px solid var(--mp-grid);max-width:1180px;margin:0 auto}.mp-layer-head,.mp-layer-ledger article{grid-template-columns:.85fr 1.35fr 1.2fr;align-items:start;gap:31px;display:grid}.mp-layer-head{color:var(--mp-ash);letter-spacing:.09em;text-transform:uppercase;padding:15px 24px;font:800 .68rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-layer-ledger article{border-top:1px solid var(--mp-grid);padding:25px 24px}.mp-layer-ledger article[data-anchor]{color:var(--ink);background:var(--mp-signal)}.mp-layer-ledger article p{color:var(--mp-ash);margin:0}.mp-layer-ledger article[data-anchor] p{color:var(--mp-night)}.mp-layer-name{font:700 1.05rem/1.3 Georgia,Times New Roman,serif}.mp-layer-name b{color:#ff8a64;margin-right:13px;font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-layer-ledger article[data-anchor] .mp-layer-name b{color:var(--ink)}.mp-layer-note{border-left:3px solid var(--mp-signal);color:#d2dad7;max-width:920px;margin:45px auto 0;padding:0 0 0 24px}.mp-example-grid{border:1px solid #10202440;grid-template-columns:1fr 1fr;max-width:1180px;margin:0 auto;display:grid}.mp-example-grid article{flex-direction:column;min-height:510px;padding:34px;display:flex}.mp-example-grid article:nth-child(2n){border-left:1px solid #10202440}.mp-example-grid article:nth-child(n+3){border-top:1px solid #10202440}.mp-example-meta{color:var(--signal-dark);text-transform:uppercase;letter-spacing:.08em;justify-content:space-between;gap:20px;font:800 .66rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex}.mp-example-grid h3{letter-spacing:-.04em;margin:50px 0 17px;font:500 2.5rem/1 Georgia,Times New Roman,serif}.mp-example-grid>article>p{color:var(--muted);margin:0 0 28px}.mp-example-verdict{border-top:1px solid #1020242e;grid-template-columns:135px 1fr;gap:17px;padding:15px 0;display:grid}.mp-example-verdict strong{text-transform:uppercase;font:800 .68rem/1.45 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-example-verdict span{color:#304145;font-size:.9rem}.mp-example-grid article>a{color:var(--signal-dark);margin-top:auto;padding-top:30px;font-weight:800}.mp-comparison{grid-template-columns:1fr 1fr;max-width:1050px;margin:0 auto;display:grid}.mp-comparison article{border:1px solid var(--mp-grid);min-height:500px;padding:31px}.mp-comparison article+article{border-left:0}.mp-comparison article[data-bitcoin]{color:var(--ink);background:var(--mp-signal)}.mp-comparison-head{border-bottom:1px solid;justify-content:space-between;align-items:start;gap:30px;padding-bottom:24px;display:flex}.mp-comparison-head span{max-width:300px;font:500 1.65rem/1.1 Georgia,Times New Roman,serif}.mp-comparison-head b{font:800 1.1rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-comparison ul{margin:55px 0 0;padding:0;list-style:none}.mp-comparison li{color:var(--mp-ash);border-top:1px solid var(--mp-grid);margin:0;padding:13px 0 13px 24px;position:relative}.mp-comparison li:before{content:"→";color:#ff8a64;position:absolute;left:0}.mp-comparison [data-bitcoin] li{color:var(--mp-night);border-color:#10202440}.mp-comparison [data-bitcoin] li:before{color:var(--ink)}.mp-comparison-bottom{text-align:center;max-width:760px;color:var(--mp-ash);margin:48px auto 0}.mp-comparison-bottom strong{color:var(--mp-ivory)}.mp-builder-grid{grid-template-columns:minmax(0,1.1fr) minmax(360px,.9fr);align-items:start;gap:54px;max-width:1180px;margin:0 auto;display:grid}.mp-builder-grid ol{border-top:1px solid #10202440;margin:0;padding:0;list-style:none}.mp-builder-grid li{border-bottom:1px solid #10202440;grid-template-columns:54px 1fr;gap:20px;padding:23px 0;display:grid}.mp-builder-grid li>span{color:var(--signal-dark);font:800 .7rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-builder-grid li strong{font:500 1.3rem/1.25 Georgia,Times New Roman,serif}.mp-builder-grid li p{color:var(--muted);margin:7px 0 0;font-size:.92rem}.mp-manifest{color:var(--mp-ivory);background:var(--mp-night);box-shadow:12px 12px 0 var(--mp-signal);position:sticky;top:28px}.mp-manifest-head{border-bottom:1px solid var(--mp-grid);color:var(--mp-ash);text-transform:uppercase;letter-spacing:.07em;justify-content:space-between;gap:20px;padding:17px 20px;font:800 .63rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;display:flex}.mp-manifest pre{color:#e8e2d4;margin:0;padding:28px 24px;font:500 .76rem/1.75 ui-monospace,SFMono-Regular,Menlo,monospace;overflow:auto}.mp-manifest p{border-top:1px solid var(--mp-grid);color:var(--mp-ash);margin:0;padding:21px 24px;font-size:.85rem}.mp-language{grid-template-columns:90px 1fr;gap:44px;max-width:1120px;margin:0 auto;padding:116px 24px 126px;display:grid}.mp-language .section-label{color:#ff8a64}.mp-language h2{letter-spacing:-.05em;text-wrap:balance;max-width:900px;margin:17px 0 54px;font:500 clamp(2.9rem,6vw,5.7rem)/.94 Georgia,Times New Roman,serif}.mp-language-list{border:1px solid var(--mp-grid)}.mp-language-list>div{border-top:1px solid var(--mp-grid);grid-template-columns:100px 1fr;gap:30px;padding:22px 25px;display:grid}.mp-language-list>div:first-child{border-top:0}.mp-language-list>div:nth-child(2n){color:var(--ink);background:var(--mp-signal)}.mp-language-list span{color:var(--mp-ash);text-transform:uppercase;letter-spacing:.09em;padding-top:4px;font:800 .67rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-language-list>div:nth-child(2n) span{color:var(--mp-night)}.mp-language-list p{margin:0;font:500 1.27rem/1.45 Georgia,Times New Roman,serif}.mp-faq-list{border-top:1px solid var(--mp-grid);max-width:950px;margin:0 auto}.mp-faq-list details{border-bottom:1px solid var(--mp-grid)}.mp-faq-list summary{cursor:pointer;grid-template-columns:52px 1fr;padding:26px 52px 26px 0;font:500 1.35rem/1.35 Georgia,Times New Roman,serif;list-style:none;display:grid;position:relative}.mp-faq-list summary::-webkit-details-marker{display:none}.mp-faq-list summary:after{content:"+";color:#ff8a64;font:400 1.9rem/1 sans-serif;position:absolute;right:4px}.mp-faq-list details[open] summary:after{content:"−"}.mp-faq-list summary span{color:#ff8a64;padding-top:5px;font:800 .68rem/1 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-faq-list details p{max-width:730px;color:var(--mp-ash);margin:0 0 28px 52px}.mp-source-list{border-top:1px solid #10202440;max-width:1050px;margin:0 auto;padding:0;list-style:none}.mp-source-list li{border-bottom:1px solid #10202440;grid-template-columns:58px 1fr;gap:22px;padding:25px 0;scroll-margin-top:40px;display:grid}.mp-source-number{color:var(--signal-dark);font:800 .7rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-source-type{color:var(--signal-dark);text-transform:uppercase;letter-spacing:.08em;font:800 .64rem/1.3 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-source-list h3{margin:5px 0 7px;font:500 1.35rem/1.25 Georgia,Times New Roman,serif}.mp-source-list h3 a:hover{color:var(--signal-dark)}.mp-source-list p{max-width:820px;color:var(--muted);margin:0 0 8px;font-size:.91rem}.mp-source-list small{color:var(--muted);font:650 .69rem/1.4 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-invitation{color:var(--ink);background:var(--signal);text-align:center;padding:106px max(24px,50vw - 496px)}.mp-invitation .section-label{color:var(--mp-night)}.mp-invitation h2{letter-spacing:-.055em;text-wrap:balance;max-width:900px;margin:19px auto 24px;font:500 clamp(3rem,6vw,5.8rem)/.93 Georgia,Times New Roman,serif}.mp-invitation>p{max-width:780px;color:var(--mp-night);margin:0 auto 32px;font-size:1.08rem}.mp-invitation .hero-actions{justify-content:center}.mp-invitation .button-primary{background:var(--mp-night);border-color:var(--mp-night);color:var(--mp-ivory)}.mp-button-light{color:var(--ink);border-color:#10202499}.mp-button-light:hover{color:var(--ink);background:#f5efe14d}.mp-continue{color:var(--ink);background:var(--signal);grid-template-columns:220px 1fr;gap:30px;padding:34px max(24px,50vw - 536px);display:grid}.mp-continue span{text-transform:uppercase;letter-spacing:.1em;font:800 .72rem/1.5 ui-monospace,SFMono-Regular,Menlo,monospace}.mp-continue div{gap:10px;display:grid}.mp-continue a{font:500 1.28rem/1.2 Georgia,Times New Roman,serif}.mp-continue a:hover{text-decoration:underline}@media (max-width:880px){.mp-hero{grid-template-columns:1fr;min-height:auto;padding-top:86px}.mp-hero h1{max-width:760px}.mp-receipt{max-width:480px;transform:none}.mp-opening{grid-template-columns:1fr;gap:20px}.mp-section-heading{grid-template-columns:60px 1fr}.mp-section-heading>p{grid-column:2}.mp-proof-flow{grid-template-columns:1fr;gap:0}.mp-flow-join{height:38px;transform:rotate(90deg)}.mp-proof-flow article{min-height:260px}.mp-layer-head{display:none}.mp-layer-ledger article{grid-template-columns:1fr 1.2fr}.mp-layer-ledger article p:last-child{grid-column:2}.mp-builder-grid{grid-template-columns:1fr}.mp-manifest{position:static}.mp-language{grid-template-columns:1fr;gap:20px}}@media (max-width:620px){.mp-hero{padding-top:66px;padding-bottom:70px}.mp-hero h1{font-size:clamp(3.6rem,17vw,5.2rem)}.mp-kicker{flex-direction:column;gap:7px}.mp-cover-art{padding-top:44px}.mp-opening{padding-top:78px;padding-bottom:82px}.mp-verdict-grid{grid-template-columns:1fr}.mp-verdict-grid article+article{border-left:0;border-top:1px solid var(--mp-grid)}.mp-continue{grid-template-columns:1fr;gap:9px}.mp-proof-mechanics,.mp-examples,.mp-builder-standard,.mp-sources,.mp-layers,.mp-database-test,.mp-faq{padding-top:78px;padding-bottom:82px}.mp-section-heading{grid-template-columns:1fr;gap:18px;margin-bottom:40px}.mp-section-heading>p{grid-column:auto}.mp-section-heading h2{font-size:clamp(2.7rem,13vw,4rem)}.mp-proof-boundary,.mp-example-grid,.mp-comparison{grid-template-columns:1fr}.mp-proof-boundary>div+div{border-top:1px solid #10202447;border-left:0}.mp-time-note{grid-template-columns:1fr;gap:10px}.mp-layer-ledger article{grid-template-columns:1fr;gap:12px}.mp-layer-ledger article p:last-child{grid-column:auto}.mp-example-grid article{min-height:auto}.mp-example-grid article:nth-child(2n){border-left:0}.mp-example-grid article+article{border-top:1px solid #10202440}.mp-example-verdict{grid-template-columns:1fr;gap:6px}.mp-comparison article{min-height:auto}.mp-comparison article+article{border-left:1px solid var(--mp-grid);border-top:0}.mp-builder-grid{gap:42px}.mp-manifest-head{flex-direction:column;gap:5px}.mp-language h2{font-size:clamp(2.7rem,13vw,4rem)}.mp-language-list>div{grid-template-columns:1fr;gap:7px}.mp-faq-list summary{grid-template-columns:38px 1fr;font-size:1.15rem}.mp-faq-list details p{margin-left:38px}.mp-invitation{padding-top:78px;padding-bottom:82px}}@media (prefers-reduced-motion:reduce){.mp-receipt{transform:none}}