:root{--graphite:#17191B;--raised:#24282B;--steel:#8A9097;--steel-bright:#C9CED3;--bone:#ECEAE6;--copper:#C8662B;--copper-deep:#9E4A18;--copper-glow:#E0874F;--on-accent:#16100B;--surface:#DCE0E3;--ink:#17191B;--muted:#4A4F55;--rule-soft:#5B6168;--good:#1F5C7A;--bad:#A23B2E;--display:'Big Shoulders Display','Arial Narrow',sans-serif;--text:'IBM Plex Sans Condensed','Arial Narrow',sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{background:var(--surface);color:var(--ink);font:400 18px/1.6 var(--text);-webkit-font-smoothing:antialiased}
a{color:var(--copper-deep)}
:focus-visible{outline:2px solid var(--copper-deep);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding-inline:clamp(16px,4vw,48px)}
.read{max-width:720px}
h1,h2,h3{font-family:var(--display);text-transform:uppercase;font-weight:900;line-height:.9;text-wrap:balance}
.top{background:var(--graphite);color:var(--bone)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;height:64px}
.top .brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--bone)}
.top .brand img{height:24px;width:auto;display:block}
.top .brand span{font:800 20px/1 var(--display);text-transform:uppercase;color:var(--steel-bright);border-left:1px solid #3A3F44;padding-left:14px}
.top nav{display:flex;align-items:center;gap:22px}
.top nav a{color:var(--steel-bright);text-decoration:none;font-weight:500;font-size:16px}
.top nav a:hover{color:var(--bone)}
.btn{display:inline-flex;align-items:center;border:0;font:600 16px/1 var(--text);padding:14px 24px 14px 20px;text-decoration:none;cursor:pointer}
.btn-copper{background:var(--copper);color:var(--on-accent);clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%)}
.btn-copper:hover{background:var(--copper-deep);color:var(--bone)}
.btn-line{color:var(--bone);box-shadow:inset 0 0 0 2px var(--bone);background:transparent;padding:10px 16px}
.btn-line:hover{background:var(--bone);color:var(--graphite)}
.btn[disabled]{opacity:.55;cursor:progress}
@media(max-width:720px){.top nav .hide-s{display:none}.top .brand span{display:none}}
.mast{background:repeating-linear-gradient(90deg,rgba(255,255,255,.16) 0 1px,rgba(0,0,0,.035) 1px 3px),linear-gradient(180deg,#D9DDE1 0%,#B3B9BF 100%);padding-block:48px 56px}
.mast h1{font-size:clamp(56px,10vw,132px)}
.mast p{font-size:clamp(18px,2vw,22px);color:var(--muted);max-width:52ch;margin-top:16px}
.grid{display:grid;grid-template-columns:1fr;gap:40px;padding-block:48px 72px}
@media(min-width:980px){.grid{grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:56px;align-items:start}}
.post{display:block;border-top:3px solid var(--ink);padding:16px 0 22px;text-decoration:none;color:var(--ink)}
.post .meta{font-size:14px;font-weight:600;color:var(--muted)}
.post h2{font-size:clamp(32px,4vw,46px);margin:8px 0 10px}
.post p{color:var(--muted);max-width:60ch}
.post:hover h2{color:var(--copper-deep)}
.post:last-child{border-bottom:3px solid var(--ink)}
.tag{display:inline-block;font:600 13px/1 var(--text);padding:5px 8px;box-shadow:inset 0 0 0 1px var(--muted);color:var(--muted);margin-right:6px}
.sub{background:var(--graphite);color:var(--bone);padding:28px;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);position:sticky;top:20px}
.sub h2{font-size:40px;margin-bottom:10px}
.sub p{color:var(--steel-bright);font-size:16px}
.sub form{display:grid;gap:12px;margin-top:18px}
.sub label{display:grid;gap:6px;font:600 14px/1.2 var(--text)}
.sub input[type=text],.sub input[type=email],.sub select{font:400 16px/1.4 var(--text);padding:11px 12px;background:var(--raised);color:var(--bone);border:1px solid var(--rule-soft);border-radius:0}
.sub input:focus,.sub select:focus{outline:2px solid var(--copper-glow);outline-offset:1px}
.sub input[aria-invalid=true]{border-color:#E08A7E}
.sub .opt{display:flex;gap:10px;align-items:flex-start;font:400 14px/1.45 var(--text);color:var(--steel-bright)}
.sub .opt input{width:18px;height:18px;margin-top:2px;accent-color:var(--copper);flex:none}
.sub .msg{font-weight:600;font-size:15px;min-height:0}
.sub .msg:empty{display:none}
.sub .msg.err{color:#F2A597}.sub .msg.ok{color:#9CC7DE}
.sub .msg button{background:none;border:0;color:var(--bone);text-decoration:underline;font:inherit;cursor:pointer;padding:0}
.hp{position:absolute;left:-9999px}
article.body{padding-block:40px 64px}
article.body .kicker{font-size:15px;font-weight:600;color:var(--copper-deep)}
article.body h1{font-size:clamp(46px,7.5vw,96px);margin:10px 0 18px}
article.body .dek{font-size:clamp(19px,2vw,22px);color:var(--muted);max-width:56ch}
article.body .byline{font-size:14px;color:var(--muted);margin-top:14px;border-top:3px solid var(--ink);padding-top:10px}
article.body h2{font-size:clamp(30px,3.6vw,42px);margin:44px 0 12px;border-top:3px solid var(--ink);padding-top:14px}
article.body h3{font-size:26px;margin:28px 0 8px;line-height:1}
article.body p{margin:0 0 16px}
article.body ul,article.body ol{margin:0 0 18px 0;padding-left:0;list-style:none}
article.body li{margin:0 0 8px;padding-left:22px;position:relative}
article.body ul li::before{content:"/";position:absolute;left:4px;color:var(--copper-deep);font-weight:600}
article.body ol{counter-reset:n}
article.body ol li{counter-increment:n}
article.body ol li::before{content:counter(n);position:absolute;left:0;font:800 18px/1.6 var(--display);color:var(--copper-deep)}
.tbl{width:100%;border-collapse:collapse;margin:8px 0 12px;font-size:16px}
.tbl th{text-align:left;font-weight:600;color:var(--muted);font-size:14px;border-bottom:3px solid var(--ink);padding:8px 10px 8px 0}
.tbl td{border-bottom:1px solid var(--rule-soft);padding:12px 10px 12px 0;vertical-align:top}
.tbl td.fig{font:800 24px/1 var(--display);text-transform:uppercase;white-space:nowrap;font-variant-numeric:tabular-nums}
.scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.note{background:var(--bone);padding:18px 20px;margin:20px 0;font-size:16px;clip-path:polygon(0 0,calc(100% - 14px) 0,100% 14px,100% 100%,0 100%)}
.note b{display:block;font-weight:600;margin-bottom:4px}
.cta{background:var(--graphite);color:var(--bone);padding:26px;margin:36px 0 8px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.cta h3{font-size:30px;margin:0}
.cta p{color:var(--steel-bright);margin:6px 0 0;font-size:16px}
.sources{font-size:15px;color:var(--muted)}
footer{background:var(--graphite);color:var(--steel-bright);padding-block:32px 40px;font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between}
footer a{color:var(--steel-bright)}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}
@media(max-width:640px){.tbl thead{display:none}.tbl,.tbl tbody,.tbl tr,.tbl td{display:block;width:100%}.tbl tr{border-top:3px solid var(--ink);padding:12px 0 8px}.tbl tr:first-child{border-top:0}.tbl td{border:0;padding:3px 0}.tbl td.fig{font-size:28px;padding:4px 0 6px}}
article.body details{border-top:3px solid var(--ink);padding:14px 0}
article.body details:last-child{border-bottom:3px solid var(--ink)}
article.body summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px;font:800 22px/1.1 var(--display);text-transform:uppercase}
article.body summary::-webkit-details-marker{display:none}
article.body summary::after{content:"+";color:var(--copper-deep)}
article.body details[open] summary::after{content:"\2212"}
article.body details p{margin:10px 0 0;color:var(--muted)}
body>main::before{content:"";display:block;height:clamp(150px,22vw,260px);background:url(/img/atrium-960.webp) center 45%/cover var(--graphite)}
@media(min-width:960px){body>main::before{background-image:url(/img/atrium-1920.webp)}}