:root{--paper:#eaeae4;--ink:#202321;--muted:#62665e;--line:#c4c7bc;--accent:#dc4c26}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:20px}body{background:var(--paper);color:var(--ink);margin:0;font-family:Arial,Helvetica,sans-serif;line-height:1.65}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--accent)}header,main,footer{max-width:1240px;margin:0 auto}header{border-bottom:1px solid var(--ink);justify-content:space-between;align-items:center;height:88px;display:flex}.logo{letter-spacing:-1.5px;font-size:28px;font-weight:800;text-decoration:none}.logo:before{content:"";background:var(--accent);vertical-align:-2px;width:13px;height:22px;margin-right:12px;display:inline-block;transform:skew(-20deg)}header nav{gap:32px;font-size:12px;display:flex}header nav a{text-decoration:none}h1,h2,h3,p{margin-top:0}h1,h2,h3{letter-spacing:-1.5px;line-height:1.06}h2{font-size:36px}h3{font-size:23px}.eyebrow{text-transform:uppercase;letter-spacing:1.1px;font:10px/1.5 Consolas,monospace}.opening{padding:31px 0 35px}.opening-top{letter-spacing:1px;justify-content:space-between;font:10px/1.6 Consolas,monospace;display:flex}.issue{text-align:right}.opening h1{letter-spacing:-8px;margin:39px 0 31px;font-size:clamp(76px,9.1vw,132px);font-weight:900;line-height:.92}.opening h1>span{color:#797e71}.opening h1 em{color:var(--accent);font-style:normal;display:inline-block;transform:skew(-9deg)}.opening-bottom{grid-template-columns:70px 1fr auto;align-items:center;gap:20px;display:grid}.crosshair{color:var(--accent);font:45px Consolas,monospace}.opening-bottom p{color:#53594f;margin:0;font-size:14px}.opening-bottom>a{border-bottom:1px solid var(--ink);padding:9px 0;font-size:12px;text-decoration:none}.opening-bottom>a span{margin-left:35px}.tracks{border-top:1px solid var(--ink);border-bottom:1px solid var(--ink);background:#c6c9be;grid-template-columns:135px 1fr 1fr 1fr;gap:5px;padding:8px 0;display:grid}.track-label{padding:12px 16px;font:10px/1.6 Consolas,monospace}.tracks>a{background:#dadcd3;border-left:3px solid #737c66;padding:11px 20px;font-size:15px;text-decoration:none;display:block;position:relative}.tracks>a:nth-of-type(2){background:#e0d3b9;border-color:#8f7750}.tracks>a:nth-of-type(3){background:#cbd6d5;border-color:#5a7875}.tracks>a:hover{color:var(--ink);background:#f7f7f1}.tracks small{letter-spacing:1px;margin-bottom:7px;font:8px Consolas,monospace;display:block}.tracks>a span{position:absolute;bottom:14px;right:16px}.feature-file{color:#eef0e8;background:#202521;margin-top:48px}.file-heading{letter-spacing:1px;color:#bac3b4;border-bottom:1px solid #4a5149;justify-content:space-between;padding:16px 27px;font:9px Consolas,monospace;display:flex}.feature-body{grid-template-columns:35px 1.4fr 1fr;gap:35px;padding:39px 38px 43px 20px;display:grid}.file-spine{writing-mode:vertical-rl;letter-spacing:4px;color:#98a490;text-align:center;border-left:1px solid #4a5149;font:10px Consolas,monospace;transform:rotate(180deg)}.feature-body article .eyebrow{color:#c0cba7;margin-bottom:22px}.feature-body h2{letter-spacing:-1.7px;margin-bottom:23px;font-size:42px;font-weight:600;line-height:1.08}.feature-body h2 em{letter-spacing:-1px;color:#c8d0b8;font:italic 44px/1.1 Georgia,serif}.feature-body article>p:not(.eyebrow){color:#bbc4b5;max-width:470px;font-size:13px;line-height:1.9}.solid-link{color:#202521;background:#e6eadc;gap:28px;margin-top:10px;padding:11px 16px;font-size:12px;text-decoration:none;display:inline-flex}.solid-link:hover{color:#202521;background:#fff}.evidence-sheet{color:#242a23;background:#e9e9df;align-self:center;padding:22px 24px;transform:rotate(1.5deg);box-shadow:6px 6px #363e34}.sheet-top{letter-spacing:1px;border-bottom:2px solid #293026;justify-content:space-between;padding-bottom:13px;font:10px Consolas,monospace;display:flex}.sheet-top>span:last-child{font-size:19px;line-height:10px}.evidence-sheet dl{margin:4px 0 17px}.evidence-sheet dl>div{border-bottom:1px solid #c9ccbd;justify-content:space-between;gap:12px;padding:11px 0;font-size:10px;display:flex}.evidence-sheet dd{text-align:right;margin:0}.check{color:#53744e;margin-right:4px}.evidence-sheet .flag{color:#a34425}.evidence-sheet>p{color:#666e5d;font-size:9px;line-height:1.8}.evidence-sheet>a{font-size:10px}.file-index{grid-template-columns:1fr 1.8fr;gap:65px;padding:65px 0;display:grid}.index-heading h2{letter-spacing:-1.5px;margin:19px 0 24px;font-size:39px;font-weight:500}.index-heading>a{font-size:12px}.index-files>article{border-top:1px solid #aeb4a5;grid-template-columns:30px 1fr 30px;gap:15px;padding:21px 0;display:grid}.index-files>article:last-child{border-bottom:1px solid #aeb4a5}.file-no{color:#68705f;padding-top:2px;font:11px Consolas,monospace}.index-files .eyebrow{color:#65705c;margin:0 0 10px;font-size:9px}.index-files h3{letter-spacing:-.7px;margin:0 0 10px;font-size:22px;font-weight:550}.index-files h3 a{text-decoration:none}.index-files article p:not(.eyebrow){color:#626a5c;max-width:440px;margin:0;font-size:12px}.file-arrow{font-size:22px;text-decoration:none}.protocol-strip{border-top:1px solid var(--ink);grid-template-columns:160px 1fr 1fr;gap:30px;padding:33px 0 45px;display:grid}.protocol-strip h2{letter-spacing:-1px;font-size:30px;font-weight:550}.protocol-strip>div p{color:#626a5c;font-size:12px}.protocol-strip a{font-size:11px}footer{border-top:1px solid var(--ink);grid-template-columns:1fr 1fr;gap:18px;padding:28px 0 40px;display:grid}footer .logo{font-size:22px}footer p,footer a:not(.logo),footer small{color:var(--muted);margin:0;font-size:10px}footer div{gap:24px;display:flex}.reading{max-width:810px;padding:38px 0 75px}.reading.wide{max-width:1240px}.reading nav{color:var(--muted);margin-bottom:42px;font-size:12px}.reading h1{margin:23px 0;font-size:53px;font-weight:600}.reading h2{margin:42px 0 19px;font-size:29px;font-weight:550}.reading h3{font-size:22px;font-weight:550}.reading p,.reading li{color:#51584c;font-size:16px;line-height:1.85}.reading .eyebrow{font-size:10px}.reading .micro{font-size:11px}.reading .lede{font-size:20px}.notice{border-left:3px solid var(--accent);background:#dedfd5;margin:25px 0;padding:16px 20px;font-size:13px}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;margin:24px 0;font-size:13px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid #bfc5b6;padding:14px 12px}th{background:#d8dcce;font-weight:600}code{overflow-wrap:anywhere;background:#dce0d4;padding:2px 5px;font-size:13px}.two-col{grid-template-columns:1fr 1fr;gap:30px;display:grid}.faq{border-bottom:1px solid var(--line);padding:14px 0}.related{border-top:1px solid var(--ink);margin-top:45px;padding:20px 0}.related a{padding:7px 0;font-size:13px;display:block}.directory>a{border-top:1px solid var(--line);align-items:center;gap:30px;padding:25px 0;text-decoration:none;display:flex}.directory h2{margin:8px 0;font-size:28px}.directory p{margin:5px 0}.directory .index{color:#6a725f;font:15px Consolas,monospace}.directory>a>span:last-child{margin-left:auto}.button{padding:12px 0;font-size:14px;display:inline-block}.skip{z-index:10;background:#fff;padding:10px;position:absolute;top:-60px;left:20px}.skip:focus{top:10px}:focus-visible{outline:2px solid var(--accent);outline-offset:5px}::selection{color:#202521;background:#f2a488}@media (max-width:1320px){header,main,footer{margin-left:40px;margin-right:40px}.reading{margin-left:auto;margin-right:auto;padding-left:25px;padding-right:25px}.reading.wide{margin-left:40px;margin-right:40px;padding-left:0;padding-right:0}}@media (max-width:900px){.feature-body{grid-template-columns:1.2fr 1fr;gap:28px;padding:30px}.file-spine{display:none}.feature-body h2{font-size:34px}.feature-body h2 em{font-size:35px}.tracks{grid-template-columns:85px 1fr 1fr 1fr}.tracks>a{padding:12px;font-size:12px}.track-label{padding:12px 8px}.file-index{gap:30px}.protocol-strip{grid-template-columns:1fr 1fr}.protocol-strip>.eyebrow{grid-column:1/-1;margin-bottom:0}}@media (max-width:650px){header,main,footer{margin-left:20px;margin-right:20px}header{height:75px}.logo{font-size:24px}header nav{gap:15px;font-size:10px}.opening{padding-top:22px}.opening-top{letter-spacing:.3px;font-size:8px}.opening h1{letter-spacing:-3px;margin:29px 0;font-size:clamp(49px,12.5vw,79px);line-height:.98}.opening-bottom{grid-template-columns:1fr;gap:15px}.crosshair{display:none}.opening-bottom p{font-size:12px}.opening-bottom>a{justify-self:start;font-size:11px}.tracks{background:0 0;grid-template-columns:1fr;gap:4px;padding:6px}.track-label{padding:5px 0;font-size:9px}.track-label br{display:none}.tracks>a{padding:10px 13px;font-size:13px}.tracks small{margin-bottom:4px;font-size:8px}.feature-file{margin-top:28px}.file-heading{gap:15px;padding:14px 16px;font-size:8px;line-height:1.7}.file-heading>span:last-child{text-align:right}.feature-body{grid-template-columns:1fr;gap:28px;padding:25px 20px 30px}.feature-body h2{letter-spacing:-1.2px;font-size:33px}.feature-body h2 em{font-size:34px}.feature-body article>p:not(.eyebrow){font-size:12px}.evidence-sheet{padding:20px;transform:none}.evidence-sheet dl>div{font-size:9px}.file-index{grid-template-columns:1fr;gap:28px;padding:37px 0}.index-heading h2{margin:14px 0 18px;font-size:32px}.index-files h3{font-size:20px}.index-files>article{grid-template-columns:23px 1fr 20px;gap:10px}.protocol-strip{grid-template-columns:1fr;gap:12px;padding:26px 0}.protocol-strip h2{margin:8px 0;font-size:29px}.protocol-strip>div p{font-size:12px}footer{grid-template-columns:1fr}.reading,.reading.wide{margin-left:20px;margin-right:20px;padding:28px 0 50px}.reading h1{letter-spacing:-1.4px;font-size:39px}.reading h2{font-size:26px}.two-col{grid-template-columns:1fr}.directory>a{gap:15px}.directory h2{font-size:23px}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}.review-toc{border-top:1px solid var(--ink);border-bottom:1px solid var(--line);padding:22px 0}.review-toc ol{columns:2;column-gap:32px;padding-left:22px}.review-toc li{break-inside:avoid;padding:3px 0}.review-document section{scroll-margin-top:24px}.review-document h1{font-size:clamp(34px,5.5vw,53px)}.review-document table caption{text-align:left;padding:8px 0;font-size:12px}.review-document a{overflow-wrap:anywhere}@media (max-width:650px){.review-toc ol{columns:1}}