:root{
--ink:#16181D;--ink-soft:#2A2E36;--paper:#FFFFFF;--cream:#F2EEE7;--rule:#DED8CD;
--red:#D81324;--red-deep:#8E0C18;--muted:#5E6470;--dim:#B9BFC9;
--maxw:1160px;--prose:730px;
--mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
--sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.66;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--red-deep);text-decoration-thickness:1px;text-underline-offset:3px}
a:focus-visible,button:focus-visible{outline:3px solid var(--red);outline-offset:3px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 22px}
.prose{max-width:var(--prose)}

.site-header{background:var(--paper);border-bottom:2px solid var(--ink);position:sticky;top:0;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
.brand{display:inline-flex;align-items:center}
.brand img{width:250px;height:auto}

.btn{display:inline-flex;align-items:center;justify-content:center;font-family:var(--mono);font-weight:700;font-size:14px;letter-spacing:.06em;text-transform:uppercase;line-height:1;padding:15px 22px;border:2px solid var(--ink);border-radius:0;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease}
.btn-primary{background:var(--red);color:#fff;border-color:var(--ink);box-shadow:5px 5px 0 var(--ink)}
.btn-primary:hover{transform:translate(-2px,-2px);box-shadow:7px 7px 0 var(--ink)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-sm{padding:11px 16px;font-size:12.5px;box-shadow:4px 4px 0 var(--ink)}

.hero{background:var(--ink);color:#fff;padding:64px 0 60px}
.hero-grid{display:flex;flex-wrap:wrap;gap:52px;align-items:flex-start}
.hero-main{flex:1 1 440px;min-width:0}
.hero-fig{flex:0 0 420px;max-width:420px;margin:0}
.hero-fig img{width:100%;border:2px solid #fff;box-shadow:10px 10px 0 var(--red)}
h1{font-size:clamp(32px,5vw,54px);line-height:1.04;letter-spacing:-.03em;margin:0 0 26px;font-weight:800;color:#fff}
.lead{font-size:19px;line-height:1.62;margin:0 0 26px;color:#DDE0E6}
.lead .num{color:#fff}
.byline{font-size:14px;line-height:1.62;color:var(--dim);border-left:3px solid var(--red);padding:2px 0 2px 16px;margin:0}
.byline a{color:#fff}
.byline em{display:block;margin-top:8px;font-style:normal;color:#8D94A0}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:0 0 30px}
.hero .btn-ghost{color:#fff;border-color:#fff}
.hero .btn-ghost:hover{background:#fff;color:var(--ink)}
.hero .btn-primary{box-shadow:5px 5px 0 var(--red-deep)}
.hero .btn-primary:hover{box-shadow:7px 7px 0 var(--red-deep)}

main{padding:62px 0 20px}
h2{font-size:clamp(25px,3.3vw,35px);line-height:1.16;letter-spacing:-.02em;margin:64px 0 22px;font-weight:800;display:inline-block;border-bottom:5px solid var(--red);padding-bottom:6px}
h2:first-child{margin-top:0}
p{margin:0 0 22px}
.num{font-family:var(--mono);font-weight:700;font-size:.92em;color:var(--red-deep);white-space:nowrap}

.toc{margin:0 0 46px;background:var(--cream);border:2px solid var(--ink)}
.toc summary{cursor:pointer;list-style:none;font-family:var(--mono);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;padding:16px 20px;display:flex;align-items:center;justify-content:space-between}
.toc summary::-webkit-details-marker{display:none}
.toc summary::after{content:"+";font-size:19px;line-height:1;color:var(--red)}
.toc[open] summary::after{content:"\2013"}
.toc[open] summary{border-bottom:2px solid var(--ink)}
.toc ul{list-style:none;margin:0;padding:14px 20px 18px}
.toc li{margin:0}
.toc li a{display:block;padding:7px 0;font-size:15.5px;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--rule)}
.toc li:last-child a{border-bottom:none}
.toc li a:hover{color:var(--red-deep)}
.figure{margin:38px 0 42px}
.figure img{width:100%;max-width:500px;border:2px solid var(--ink);box-shadow:10px 10px 0 var(--red)}

.tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 0 30px;border:2px solid var(--ink)}
table{border-collapse:collapse;width:100%;min-width:680px;font-size:15px;background:var(--paper)}
th,td{text-align:left;padding:15px 16px;border-bottom:1px solid var(--rule);vertical-align:top}
thead th{background:var(--ink);color:#fff;font-family:var(--mono);font-weight:700;font-size:12px;letter-spacing:.08em;text-transform:uppercase;border-bottom:none}
tbody tr:last-child td{border-bottom:none}
tbody td:nth-child(2){font-family:var(--mono);font-size:13.5px;color:var(--ink)}
tr.top td{background:var(--cream)}
tr.top td:first-child{box-shadow:inset 6px 0 0 var(--red)}
td strong{font-weight:700}

.ctablock{margin:44px 0 48px;padding:28px;background:var(--cream);border:2px solid var(--ink);box-shadow:10px 10px 0 var(--red);display:flex;flex-wrap:wrap;gap:14px;align-items:center}

.author{margin:64px 0 0;padding:30px;background:var(--cream);border:2px solid var(--ink);display:flex;flex-wrap:wrap;gap:26px;align-items:flex-start}
.author picture{flex:0 0 116px}
.author img{width:116px;height:116px;border:2px solid var(--ink)}
.author-body{flex:1 1 320px;min-width:0}
.author h2{margin:0 0 12px;font-size:20px;border-bottom-width:4px;padding-bottom:4px}
.author p{font-size:15.5px;margin:0}

.meta{margin:58px 0 0;padding-top:32px;border-top:2px solid var(--ink)}
.meta h2{font-size:19px;margin:0 0 16px;border-bottom-width:4px;padding-bottom:4px}
.meta+.meta{margin-top:38px}
.meta p,.meta li{font-size:15.5px;color:#343943}
.meta ul{padding-left:20px;margin:0 0 18px}
.meta li{margin-bottom:10px}

.site-footer{margin-top:70px;background:var(--ink);padding:42px 0}
.site-footer img{width:250px;height:auto}

@media (max-width:960px){
.hero-grid{gap:34px}
.hero-main{flex:1 1 100%}
.hero-fig{flex:1 1 100%;max-width:500px}
}
@media (max-width:640px){
body{font-size:17px}
.wrap{padding:0 18px}
.hero{padding:40px 0 40px}
main{padding:42px 0 8px}
.lead{font-size:17px}
h2{margin:46px 0 18px;border-bottom-width:4px}
.brand img{width:172px}
.btn{width:100%}
.hero-cta{flex-direction:column;align-items:stretch}
.ctablock{flex-direction:column;align-items:stretch;padding:20px;box-shadow:7px 7px 0 var(--red)}
.figure img,.hero-fig img{box-shadow:7px 7px 0 var(--red)}
.author{flex-direction:column;gap:18px;padding:22px}
.author img{width:100px;height:100px}
.site-header .wrap{min-height:62px}
.site-header .btn{width:auto}
.site-footer img{width:190px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}

.page-hero{background:var(--ink);color:#fff;padding:56px 0 52px}
.page-hero h1{margin:0 0 18px;font-size:clamp(28px,4.2vw,44px)}
.page-hero p{margin:0;color:#DDE0E6;font-size:18px;max-width:640px}
.page-hero .updated{margin-top:18px;font-family:var(--mono);font-size:12.5px;letter-spacing:.06em;text-transform:uppercase;color:#8D94A0}
.prose h2{margin-top:52px}
.prose h3{font-size:19px;margin:34px 0 12px;font-weight:700}
.prose ul,.prose ol{padding-left:22px;margin:0 0 22px}
.prose li{margin-bottom:10px}
.prose table{min-width:0}
.callout{margin:34px 0;padding:24px;background:var(--cream);border:2px solid var(--ink)}
.callout p:last-child{margin-bottom:0}
.site-footer .wrap{display:block}
.footer-top{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between;padding-bottom:26px;border-bottom:1px solid #333842}
.footer-nav{list-style:none;display:flex;flex-wrap:wrap;gap:8px 26px;margin:24px 0 0;padding:0}
.footer-nav a{color:#C7CBD2;font-size:14.5px;text-decoration:none}
.footer-nav a:hover{color:#fff;text-decoration:underline}
.footer-nav a[aria-current]{color:#fff;font-weight:700}
@media (max-width:640px){.page-hero{padding:34px 0 32px}.page-hero p{font-size:17px}.footer-nav{gap:6px 18px}}
.author-photo{max-width:200px;border:2px solid var(--ink);box-shadow:8px 8px 0 var(--red);margin:0 0 32px}