*{margin:0;padding:0;box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{font-family:-apple-system,Helvetica Neue,Helvetica,Arial,sans-serif;background:#f2f1ee;color:#000;-webkit-font-smoothing:antialiased}button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;text-align:left}a{color:#000}.svgmono{font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace}.eyebrow{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:#777}.page{max-width:1200px;margin:0 auto}.ptabs{position:sticky;top:0;z-index:50;background:#000;color:#fff;display:flex;gap:8px;align-items:center;padding:10px 12px;overflow-x:auto;scrollbar-width:none}.ptabs::-webkit-scrollbar{display:none}.ptl{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:#999;flex:none}.ptabs button{flex:none;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:11.5px;letter-spacing:.06em;color:#cfcfcf;border:1px solid #444;border-radius:999px;padding:6px 13px;white-space:nowrap}.ptabs button.on{background:#fff;color:#000;border-color:#fff}.shell{background:#fff;display:flex;flex-direction:column}.topline{padding:22px 24px 0}.brand{font-size:17px;font-weight:700;letter-spacing:-.01em}.brand small{font-family:SF Mono,ui-monospace,Menlo,monospace;font-weight:400;font-size:10px;letter-spacing:.22em;color:#888;margin-left:12px}.foot{margin-top:auto;display:flex;justify-content:space-between;padding:26px 24px 22px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;color:#999;border-top:1px solid #ececec}.foot a{color:#999;text-decoration:none}.tag{display:inline-block;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;letter-spacing:.14em;text-transform:uppercase;padding:4px 9px;border:1px solid #000}.tag.solid{background:#000;color:#fff}.tag.ghost{border-color:#cfcfcf;color:#777}.card{border:1px solid #000;background:#fff;position:relative}.card-h{display:flex;align-items:center;gap:10px;padding:11px 16px;border-bottom:1px solid #e6e6e6}.card-h .t{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase}.card-h .t.muted{color:#888}.card-h .when{margin-left:auto;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;color:#888}.card-b{padding:14px 16px}.sig-title{font-size:17px;font-weight:650;letter-spacing:-.01em;margin-bottom:10px}.spark{border:1px solid #e2e2e2;padding:10px 12px 6px}.spark svg{display:block;height:86px}.spark.big svg{height:170px}.spark-cap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;color:#888;padding:6px 2px 2px}.spark-cap b{color:#000;font-weight:600}.chips{display:flex;gap:8px;margin-top:11px;flex-wrap:wrap}.chip{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;padding:4px 9px;border:1px solid #d4d4d4;color:#555}.det-text{font-size:14px;line-height:1.55;color:#333}.det-text.small{font-size:13px}.ev-rows{margin-top:12px;border-top:1px solid #e6e6e6}.ev-row{display:flex;gap:10px;align-items:baseline;padding:7px 0;border-bottom:1px solid #e6e6e6;font-size:12.5px}.ev-row .rid{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9.5px;color:#000;border:1px solid #000;padding:2px 6px;white-space:nowrap;flex:none}.ev-row .rx{color:#555}.draft{border:1px solid #e2e2e2;padding:12px 14px;font-size:13.5px;line-height:1.5;color:#333;background:#fafafa}.draft b{color:#000}.gate{display:flex;align-items:center;gap:8px;margin-top:10px;flex-wrap:wrap}.btn{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;padding:8px 14px;border:1px solid #000;background:#fff}.btn.solid{background:#000;color:#fff}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.gate .who{margin-left:auto;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;color:#888}.audit{margin-top:9px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;color:#999;line-height:1.5}.sample-note{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#999;margin-top:12px;text-align:right}.card.act.st-approved{outline:2px solid #000;outline-offset:3px}.card.act.st-rejected{opacity:.62}.stack{position:relative}.stack .card{margin-bottom:16px}.node{display:none}.console{border:1px solid #000;display:flex;flex-direction:column}.con-top{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:14px 18px;border-bottom:1px solid #000}.con-top .ws{font-weight:700;font-size:14.5px}.con-top .ws span{color:#888;font-weight:400}.con-tabs{display:flex;gap:16px;flex-wrap:wrap;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase}.con-tabs .on{border-bottom:2px solid #000;padding-bottom:3px}.con-tabs .off{color:#999}.quiet{margin-left:auto;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;color:#888;display:flex;align-items:center;gap:7px}.quiet i{width:6px;height:6px;border-radius:50%;background:#000}.con-grid{display:grid;grid-template-columns:1fr}.rail{border-right:none;border-bottom:1px solid #e6e6e6;padding:16px 0}.rail-h{padding:0 18px 10px}.sig-item{width:100%;display:flex;gap:11px;align-items:flex-start;padding:12px 18px;border-bottom:1px solid #eee}.sig-item.sel{background:#f6f6f6;box-shadow:inset 2px 0 #000}.sig-item .st{display:block;font-size:13px;font-weight:600;line-height:1.35}.sig-item .sm{display:block;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9.5px;color:#888;margin-top:3px}.dot{width:8px;height:8px;border-radius:50%;margin-top:4px;flex:none}.dot.open{background:#000}.dot.watch{background:#fff;border:1.5px solid #000}.dot.done{background:#fff;border:1.5px solid #bbb}.detail{padding:20px 18px}.det-head{display:flex;align-items:flex-start;gap:12px;flex-wrap:wrap}.det-head h3{font-size:21px;letter-spacing:-.02em;line-height:1.15}.det-sub{margin-top:9px;font-size:13.5px;color:#555;line-height:1.55;max-width:62ch}.detail .spark.big{margin-top:18px}.det-grid{display:grid;grid-template-columns:1fr;gap:0;margin-top:18px;border:1px solid #e6e6e6}.det-cell{padding:16px 18px}.det-cell+.det-cell{border-top:1px solid #e6e6e6}.det-cell .eyebrow{margin-bottom:10px}.det-placeholder{margin-top:20px;border:1px dashed #bbb;padding:20px}.action-col{padding:18px;border-top:1px solid #e6e6e6}.action-col .card{margin-bottom:16px}.con-note{padding:10px 18px;border-top:1px solid #e6e6e6;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9px;letter-spacing:.14em;text-transform:uppercase;color:#999;display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}main{padding:0 24px}.sec{padding:44px 0;border-top:1px solid #ececec;scroll-margin-top:64px}.sec:first-child{border-top:none;padding-top:34px}.shead .snum{margin-bottom:14px}.shead h2{font-size:34px;letter-spacing:-.025em;line-height:1.04;font-weight:700}.lede{margin-top:16px;font-size:15px;line-height:1.6;color:#333;max-width:56ch}.hero-meta{display:flex;gap:8px;margin-top:22px;flex-wrap:wrap}.pull{margin-top:26px;font-size:19px;font-weight:600;letter-spacing:-.01em;border-left:3px solid #000;padding-left:16px}.sig-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:24px}.sig-tile .tile-state{position:absolute;top:14px;right:14px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:#999}.rec-line{display:flex;align-items:center;gap:10px;margin-top:26px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;flex-wrap:wrap}.rec-line i{flex:1;min-width:20px;height:1px;background:#000}.sec-overview .ov-copy{margin-bottom:28px}.nav{display:flex;gap:18px;padding:16px 24px;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid #ececec}.nav::-webkit-scrollbar{display:none}.nav button{flex:none;font-size:13.5px;color:#777;padding-bottom:3px;border-bottom:2px solid transparent;display:flex;align-items:center;gap:7px}.nav button.on{color:#000;border-bottom-color:#000}.nav button em{font-style:normal;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9.5px;color:#aaa}.nav button.on em{color:#000}.nav button .tick{width:7px;height:7px;border-radius:50%;background:#cfcfcf}.nav button.on .tick{background:#000}@media(min-width:720px){.topline{padding:30px 40px 0}main{padding:0 40px}.foot{padding:30px 40px 26px}.sec{padding:64px 0;scroll-margin-top:64px}.shead h2{font-size:44px}.nav{padding:20px 40px}}.prose-col{margin-top:26px;max-width:64ch}.prose-item{font-size:16px;line-height:1.65;color:#222;margin-bottom:18px}.prose-item b{font-weight:700}.sig-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:26px}@media(min-width:720px){.sig-grid{grid-template-columns:1fr 1fr;gap:14px}}.sig-tile{border:1px solid #000;padding:16px;position:relative}.sig-tile .stt{font-size:15px;font-weight:650;margin-bottom:6px}.sig-tile p{font-size:13px;color:#555;line-height:1.5}.sig-tile .dot{margin:0 0 10px}.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#000}.dot.open{background:var(--acc,#000)}.how-list{margin-top:26px;border-top:1px solid #000}.how-step{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:20px 0;border-bottom:1px solid #e6e6e6}.how-k em{display:block;font-style:normal;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;color:var(--acc,#999);letter-spacing:.14em}.how-k span{display:block;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-top:6px;font-weight:600}.how-tech{font-size:14.5px;line-height:1.6;color:#111;max-width:64ch}@media(max-width:719px){.how-step{grid-template-columns:1fr;gap:8px}}@media(max-width:719px){.nav{flex-wrap:wrap;overflow-x:visible;row-gap:10px}}.how-table{width:100%;margin-top:26px;border-collapse:collapse}.how-table td{padding:14px 12px;border-bottom:1px solid #e6e6e6;vertical-align:top;font-size:13.5px;line-height:1.55}.how-table td.hk{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;font-weight:600;white-space:nowrap}.how-table td.hn{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;color:var(--acc,#999)}@media(max-width:719px){.how-table td{padding:10px 8px;font-size:12.5px}.how-table td.hk{white-space:normal}}.pull{margin-top:26px;font-size:19px;font-weight:600;letter-spacing:-.01em;border-left:3px solid var(--acc,#000);padding-left:16px}.hero-display .shead h2{font-size:clamp(46px,9vw,110px);letter-spacing:-.04em}.hero-display .lede{font-size:17px;max-width:60ch}.hero-split .sec-in{display:grid;grid-template-columns:1fr;gap:34px}@media(min-width:1000px){.hero-split .sec-in{grid-template-columns:46% 54%;gap:44px}}.hero-split .shead h2{font-size:clamp(38px,5vw,58px)}.split-index{border-left:1px solid #000;padding-left:24px}.split-row{display:flex;gap:14px;align-items:baseline;padding:10px 0;border-bottom:1px solid #ececec}.split-row .hn{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10px;color:var(--acc,#999)}.split-row .hk{font-size:14px;font-weight:650}.term-window{margin-top:28px;border:1px solid #000;background:#0b0b0b;color:#e8e8e8;font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace;font-size:13px;line-height:1.7}.term-bar{display:flex;gap:6px;align-items:center;padding:10px 14px;border-bottom:1px solid #2a2a2a}.term-bar i{width:9px;height:9px;border-radius:50%;border:1px solid #555}.term-bar span{margin-left:10px;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#777}.term-body{padding:16px 18px;white-space:pre-wrap;word-break:break-word}.term-body .tp{color:var(--acc,#7ee787)}.term-body .tc{color:#888}.spec-table{width:100%;margin-top:28px;border-collapse:collapse}.spec-table td{padding:14px 0;border-bottom:1px solid #e0e0e0;vertical-align:top;font-size:14.5px;line-height:1.55}.spec-table td:first-child{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;width:150px;padding-right:18px}.index-list{margin-top:28px;border-top:1px solid #000}.index-row{display:flex;align-items:baseline;gap:16px;padding:16px 0;border-bottom:1px solid #000}.index-row .hn{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:11px;color:var(--acc,#999)}.index-row .hk{font-size:20px;font-weight:700;letter-spacing:-.01em}.index-row .dots{flex:1;border-bottom:1px dotted #bbb;transform:translateY(-5px)}.hero-diagram .diagram{margin-top:30px;border:1px solid #000;padding:10px}.hero-diagram .diagram svg{display:block;width:100%;height:auto}.hero-diagram .dlabel{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;fill:#666}.frame-sticky .sec-in{display:grid;grid-template-columns:1fr;gap:20px}@media(min-width:1000px){.frame-sticky .sec-in{grid-template-columns:230px 1fr;gap:44px}.frame-sticky .rail-l{position:sticky;top:70px;align-self:start}}.frame-sticky .rail-l em{display:block;font-style:normal;font-size:54px;font-weight:800;letter-spacing:-.04em;color:var(--acc,#000);line-height:1}.frame-sticky .rail-l span{display:block;margin-top:8px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:#888}.frame-sticky .rail-r .shead .snum{display:none}.frame-sticky .rail-r .shead h2{font-size:34px}.frame-rows .sec{padding:0;border-top:1px solid #000}.frame-rows .sec:first-of-type{border-top:none}.frame-rows .sec-in{padding:26px 0}.frame-rows .drow-h{display:flex;align-items:baseline;gap:18px;border-bottom:2px solid #000;padding-bottom:12px}.frame-rows .drow-h em{font-style:normal;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:12px;color:var(--acc,#999)}.frame-rows .drow-h h2{font-size:26px;letter-spacing:-.02em}.frame-rows .drow-h .dsub{margin-left:auto;font-size:12.5px;color:#888;max-width:34ch;text-align:right}@media(max-width:719px){.frame-rows .drow-h .dsub{display:none}}.frame-poster .sec{position:relative;overflow:hidden}.frame-poster .pnum{position:absolute;top:-30px;right:-10px;font-size:240px;font-weight:800;letter-spacing:-.06em;color:var(--acc,#000);opacity:.07;line-height:1;pointer-events:none}.frame-poster .shead h2{font-size:clamp(38px,6vw,72px);text-transform:none;letter-spacing:-.04em}.term-sec{border:1px solid #000;margin-bottom:18px}.term-cmd{background:#0b0b0b;color:#e8e8e8;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:12.5px;padding:10px 16px}.term-cmd .tp{color:var(--acc,#7ee787)}.term-sec .term-out{padding:22px 18px}.term-sec .shead .snum,.term-sec .shead h2{display:none}.frame-term .sec{padding:10px 0;border-top:none}.frame-spine main{position:relative}.frame-spine .sec{position:relative;padding-left:34px}.frame-spine .sec:before{content:"";position:absolute;left:8px;top:0;bottom:0;width:1.5px;background:#000;opacity:.15}.frame-spine .sec:after{content:"";position:absolute;left:2.5px;top:70px;width:12px;height:12px;border-radius:50%;border:2px solid var(--acc,#000);background:#fff}@media(max-width:719px){.frame-spine .sec:after{top:50px}}@media(min-width:1000px){.nav-side .shell{display:grid;grid-template-columns:220px 1fr}.nav-side .topline{grid-column:1 / -1}.nav-side .nav{flex-direction:column;align-items:stretch;border-bottom:none;border-right:1px solid #ececec;position:sticky;top:60px;align-self:start;padding:10px 24px 20px;gap:4px}.nav-side .nav button{padding:8px 0}.nav-side .foot{grid-column:2}}.nav-bottom main{order:1}.nav-bottom .foot{order:2}.nav-bottom .nav{position:sticky;bottom:0;background:#fff;border-top:1px solid #000;border-bottom:none;z-index:40;order:3}.nav-index .nav{gap:10px}.nav-index .nav button{border:1px solid #000;padding:7px 12px;font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:11px;letter-spacing:.08em;text-transform:uppercase}.nav-index .nav button.on{background:#000;color:#fff}.nav-index .nav button em{color:#999}.nav-index .nav button.on em{color:#fff}.type-serif .shead h2,.type-serif .brand,.type-serif .lede,.type-serif .prose-item{font-family:Georgia,Times New Roman,serif}.type-serif .shead h2{font-weight:400}.type-serif .brand{font-size:22px}.type-mono .shell,.type-mono .shead h2,.type-mono .brand,.type-mono .how-tech,.type-mono .prose-item{font-family:SF Mono,ui-monospace,Menlo,Consolas,monospace}.type-mono .shead h2{font-size:24px;letter-spacing:0}.type-mono .brand{font-size:14px;letter-spacing:.06em}.v1 .sec-overview{text-align:center}.v1 .hero-display .lede{margin-left:auto;margin-right:auto}.v1 .hero-meta{justify-content:center}.v1 .frame-poster .pnum,.v1 .pnum{left:0;right:0;text-align:center}.v2 .sec{border-top:1px solid #000}.v2 .sec:first-child{border-top:none}.v3 .sec-overview .shead h2:before{content:"> ";color:var(--acc)}.v4 .shell{font-variant-numeric:tabular-nums}.v4 .frame-rows .drow-h h2{font-weight:500;font-size:22px}.v5 .topline{border-bottom:3px double #000;padding-bottom:18px}.v5 .sec{border-top:1px solid #000}.v5 .sec:first-child{border-top:none}.v5 .prose-item:first-of-type:first-letter{font-size:56px;line-height:.9;float:left;padding:4px 10px 0 0;font-weight:400;color:var(--acc,#000)}.v5 .pull{font-family:Georgia,serif;font-style:italic;font-weight:400;border-left:none;padding-left:26px;position:relative}.v5 .pull:before{content:"\201c";position:absolute;left:0;top:-4px;font-size:40px}.v6 .rail-l em{font-size:44px}.v7 .shead h2{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:22px;text-transform:uppercase;letter-spacing:.02em}.v7 .brand{font-variant:small-caps}.v8 .shead h2{letter-spacing:-.03em}.v8 .sig-tile{border-width:1px}.v9 .shell{background-image:linear-gradient(#eef2f6 1px,transparent 1px),linear-gradient(90deg,#eef2f6 1px,transparent 1px);background-size:32px 32px}.v9 .sig-tile,.v9 .inq-f input,.v9 .inq-f select,.v9 .inq-f textarea,.v9 .term-sec{background:#fff}.v9 .shead h2{font-family:SF Mono,ui-monospace,Menlo,monospace;text-transform:uppercase;font-size:22px;letter-spacing:.04em}.v9 .shead .snum{color:var(--acc)}.v10 .shead h2{font-weight:800;letter-spacing:-.03em}.v11 .shell{font-variant-numeric:tabular-nums}.v11 .frame-rows .drow-h{border-bottom:3px double #000}.v11 .how-table td{border-bottom:1px solid #000}.v12 .shell{background:#f7f6f3}.v12 .sec{border-top:none;padding:26px 0}.v12 .sec-in{background:#fff;border:1px solid #e0e0e0;padding:26px}@media(min-width:720px){.v12 .sec-in{padding:40px}}.v13 .sec:nth-of-type(odd) .sec-in{background:color-mix(in srgb,var(--acc) 5%,#fff);padding:30px 24px}.v13 .sec{padding:30px 0;border-top:none}.v13 .shead h2{font-weight:800;letter-spacing:-.03em}.v14 .frame-rows .drow-h h2{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:20px;text-transform:uppercase}.v15 .shead h2{font-family:Georgia,serif;font-weight:400}.v15 .sec{border-top:1px solid #000}.v15 .sec:first-child{border-top:none}.v15 .prose-item:first-of-type:first-letter{font-size:48px;line-height:.9;float:left;padding:4px 10px 0 0;color:var(--acc,#000)}.v16 .shead h2{text-transform:uppercase;font-weight:800}.v16 .brand{text-transform:uppercase;letter-spacing:.12em}.v17 .shead h2{letter-spacing:-.02em}.inq{margin-top:26px;max-width:760px}.inq-row{display:grid;grid-template-columns:1fr;gap:14px}@media(min-width:720px){.inq-row{grid-template-columns:1fr 1fr 1fr}}.inq-f{display:flex;flex-direction:column;gap:7px;margin-bottom:14px}.inq-f span{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:#999}.inq-f input,.inq-f select,.inq-f textarea{font:inherit;font-size:14px;color:#000;background:#fff;border:1px solid #000;padding:10px 12px;border-radius:0;outline:none;width:100%}.inq-f input:focus,.inq-f select:focus,.inq-f textarea:focus{border-color:var(--acc,#000);box-shadow:inset 0 0 0 1px var(--acc,#000)}.inq-f textarea{resize:vertical}.inq-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}.inq-status{font-size:12.5px;color:#777;max-width:52ch;line-height:1.5}.btn{font-family:SF Mono,ui-monospace,Menlo,monospace;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;border:1px solid #000;padding:9px 16px}.btn.solid{background:var(--acc,#000);border-color:var(--acc,#000);color:#fff}.inq-f input[type=file]{border:1px solid #000;padding:10px 12px;font-family:inherit;font-size:12.5px;background:#fff;width:100%;box-sizing:border-box}
