.standard-body{background:radial-gradient(circle at 84% 9%,rgba(104,255,201,.055),transparent 28%),var(--ink)}
.std-hero{align-items:stretch}.std-hero-card{border:1px solid var(--line);background:linear-gradient(160deg,rgba(13,29,24,.92),rgba(6,16,13,.74));padding:30px;display:grid;grid-template-columns:1fr 1fr;align-content:center;gap:1px;box-shadow:0 28px 80px rgba(0,0,0,.24)}.std-id{grid-column:1/-1;padding:0 0 25px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:end}.std-id span,.std-status,.std-metric span{font:600 11px/1.3 var(--mono);letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}.std-id strong{font:500 clamp(25px,3vw,42px)/1 var(--display);letter-spacing:-.04em}.std-metric{padding:24px 18px 22px 0;border-bottom:1px solid var(--hairline)}.std-metric:nth-child(even){padding-left:18px;border-left:1px solid var(--hairline)}.std-metric b{display:block;font:500 35px/1 var(--display);margin-bottom:8px}.std-status{grid-column:1/-1;padding-top:24px;display:flex;align-items:center;gap:9px}.std-status i{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 18px rgba(104,255,201,.55)}
.std-definition{margin-top:0}.std-rule{max-width:1180px;margin:0 auto;padding:95px 34px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.std-rule blockquote{margin:14px 0 18px;font:500 clamp(34px,5vw,72px)/.98 var(--display);letter-spacing:-.05em;max-width:900px}.std-rule>p:last-child{max-width:760px;color:var(--muted);font-size:18px;line-height:1.65}
.std-chain,.std-profiles,.std-artifacts,.std-requirements,.std-conformance,.std-status-section{max-width:1180px;margin:0 auto;padding:100px 34px;border-bottom:1px solid var(--line)}.std-section-head{display:flex;justify-content:space-between;gap:40px;align-items:end;margin-bottom:44px}.std-section-head>div{max-width:790px}.std-section-head h2,.std-conformance h2{font:500 clamp(34px,5vw,66px)/1 var(--display);letter-spacing:-.045em;margin:8px 0 15px}.std-section-head p:not(.eyebrow),.std-conformance>div>p{color:var(--muted);font-size:17px;line-height:1.65}
.std-chain ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(11,1fr);border:1px solid var(--line)}.std-chain li{min-height:178px;padding:18px 13px;border-right:1px solid var(--line);display:flex;flex-direction:column;justify-content:space-between;gap:30px}.std-chain li:last-child{border-right:0}.std-chain li span{font:600 10px/1 var(--mono);color:var(--mint);letter-spacing:.1em}.std-chain li b{font:500 13px/1.35 var(--text);writing-mode:vertical-rl;transform:rotate(180deg);text-transform:capitalize}
.std-profile-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.std-profile{min-height:245px;padding:26px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-direction:column}.std-profile:nth-child(3n){border-right:0}.std-profile:nth-last-child(-n+3){border-bottom:0}.std-profile>span{font:600 10px/1 var(--mono);color:var(--mint);letter-spacing:.09em;text-transform:uppercase}.std-profile h3{font:500 25px/1.05 var(--display);letter-spacing:-.025em;margin:20px 0 11px}.std-profile p{color:var(--muted);line-height:1.55;font-size:14px;flex:1}.std-profile button,.std-filter button,.std-filter-state button{appearance:none;border:0;background:none;color:var(--paper);font:600 11px/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;text-align:left;padding:0;cursor:pointer}.std-profile button{color:var(--mint);margin-top:18px}
.std-artifact-grid{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.std-artifact-grid a{padding:26px;min-height:132px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);text-decoration:none;display:flex;flex-direction:column;justify-content:space-between;transition:background .2s ease}.std-artifact-grid a:nth-child(3n){border-right:0}.std-artifact-grid a:nth-last-child(-n+3){border-bottom:0}.std-artifact-grid a:hover{background:rgba(104,255,201,.035)}.std-artifact-grid b{font:500 16px/1.2 var(--mono);color:var(--paper)}.std-artifact-grid span{color:var(--muted);font-size:13px;line-height:1.45;margin-top:20px}
.std-count{border-left:1px solid var(--line);padding-left:30px;min-width:112px}.std-count span,.std-count small{display:block;font:600 10px/1.3 var(--mono);letter-spacing:.08em;color:var(--muted)}.std-count b{display:block;font:500 42px/1 var(--display);margin:6px 0}.std-filter{display:flex;flex-wrap:wrap;border:1px solid var(--line);margin-bottom:18px}.std-filter button{padding:13px 15px;border-right:1px solid var(--line);border-bottom:1px solid transparent;color:var(--muted)}.std-filter button:hover,.std-filter button.active{color:var(--mint);background:rgba(104,255,201,.035)}.std-filter-state{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:14px 0 35px;color:var(--muted);font:500 11px/1.4 var(--mono);text-transform:uppercase;letter-spacing:.06em}.std-filter-state button{color:var(--mint)}.std-category{margin:50px 0}.std-category[hidden],.std-requirement[hidden]{display:none}.std-category-head{display:flex;justify-content:space-between;align-items:end;margin-bottom:12px}.std-category-head h3{font:500 17px/1 var(--display);color:var(--muted)}.std-requirement{display:grid;grid-template-columns:195px 1fr 220px;gap:25px;align-items:start;padding:22px 0;border-top:1px solid var(--line)}.std-req-id{display:flex;flex-direction:column;gap:8px}.std-req-id span{font:600 12px/1 var(--mono);color:var(--mint)}.std-req-id b{font:600 10px/1 var(--mono);letter-spacing:.08em;color:var(--muted)}.std-requirement>p{font-size:16px;line-height:1.55}.std-req-meta{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.std-req-meta span{border:1px solid var(--hairline);padding:7px 9px;color:var(--muted);font:500 9px/1.2 var(--mono);letter-spacing:.04em;text-transform:uppercase}
.std-conformance{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px}.std-boundary-grid{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line)}.std-boundary-grid article{padding:25px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);min-height:180px}.std-boundary-grid article:nth-child(2n){border-right:0}.std-boundary-grid article:nth-last-child(-n+2){border-bottom:0}.std-boundary-grid span,.std-truth-grid span{font:600 10px/1 var(--mono);letter-spacing:.1em;color:var(--mint)}.std-boundary-grid b{display:block;font:500 21px/1.1 var(--display);margin:18px 0 12px}.std-boundary-grid p{color:var(--muted);font-size:13px;line-height:1.55}
.std-truth-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line)}.std-truth-grid article{padding:26px;border-right:1px solid var(--line);min-height:240px}.std-truth-grid article:last-child{border-right:0}.std-truth-grid article:not(.yes) span{color:var(--brass)}.std-truth-grid h3{font:500 22px/1.08 var(--display);margin:20px 0 12px}.std-truth-grid p{color:var(--muted);font-size:13px;line-height:1.58}
@media(max-width:1050px){.std-chain ol{grid-template-columns:repeat(6,1fr)}.std-chain li:nth-child(6){border-right:0}.std-chain li:nth-child(-n+6){border-bottom:1px solid var(--line)}.std-chain li b{writing-mode:initial;transform:none}.std-chain li{min-height:135px}.std-profile-grid,.std-artifact-grid{grid-template-columns:1fr 1fr}.std-profile:nth-child(3n),.std-artifact-grid a:nth-child(3n){border-right:1px solid var(--line)}.std-profile:nth-child(2n),.std-artifact-grid a:nth-child(2n){border-right:0}.std-profile:nth-last-child(-n+3),.std-artifact-grid a:nth-last-child(-n+3){border-bottom:1px solid var(--line)}.std-profile:nth-last-child(-n+2),.std-artifact-grid a:nth-last-child(-n+2){border-bottom:0}.std-conformance{grid-template-columns:1fr}.std-truth-grid{grid-template-columns:1fr 1fr}.std-truth-grid article:nth-child(2){border-right:0}.std-truth-grid article:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:760px){.standard-body .masthead nav a[aria-current="page"]{display:none}.std-hero-card{grid-template-columns:1fr}.std-id,.std-status{grid-column:auto}.std-metric:nth-child(even){padding-left:0;border-left:0}.std-metric{padding-left:0}.std-rule,.std-chain,.std-profiles,.std-artifacts,.std-requirements,.std-conformance,.std-status-section{padding-left:20px;padding-right:20px}.std-section-head{flex-direction:column;align-items:start}.std-chain ol,.std-profile-grid,.std-artifact-grid,.std-boundary-grid,.std-truth-grid{grid-template-columns:1fr}.std-chain li,.std-chain li:nth-child(6){border-right:0;border-bottom:1px solid var(--line)!important}.std-chain li:last-child{border-bottom:0!important}.std-profile,.std-profile:nth-child(3n),.std-artifact-grid a,.std-artifact-grid a:nth-child(3n){border-right:0;border-bottom:1px solid var(--line)!important}.std-profile:last-child,.std-artifact-grid a:last-child{border-bottom:0!important}.std-requirement{grid-template-columns:1fr;gap:12px}.std-req-meta{justify-content:flex-start}.std-truth-grid article{border-right:0!important;border-bottom:1px solid var(--line)!important}.std-truth-grid article:last-child{border-bottom:0!important}.std-boundary-grid article{border-right:0!important;border-bottom:1px solid var(--line)!important}.std-boundary-grid article:last-child{border-bottom:0!important}.std-filter{display:grid;grid-template-columns:1fr 1fr}.std-filter button{border-bottom:1px solid var(--line)}.std-count{border-left:0;padding-left:0}.std-category-head{align-items:start;flex-direction:column;gap:9px}}