/* Barebones: white page, dark blue-black ink, system fonts. */
:root{
  --bg:#ffffff;
  --ink:#0f1a2b;      /* dark blue-black */
  --muted:#5a6475;
  --line:#dfe3ea;
  --soft:#f4f6f9;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.55}
a{color:var(--ink);text-underline-offset:3px}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px}

.wrap{max-width:1000px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}

/* Header */
.top{background:var(--ink);color:#fff}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-block:12px}
.brand{color:#fff;text-decoration:none;font-weight:700;font-size:18px}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:18px;flex-wrap:wrap}
nav a{color:#fff;text-decoration:none;font-size:15px;opacity:.8}
nav a:hover,nav a[aria-current="page"]{opacity:1;text-decoration:underline}

/* Content */
main{padding-block:32px 48px}
.crumbs{font-size:14px;color:var(--muted);margin:0 0 8px}
.crumbs a{color:var(--muted)}
h1{font-size:30px;line-height:1.2;margin:0 0 8px}
h2{font-size:20px;margin:28px 0 8px}
p{max-width:68ch;margin:0 0 12px}
.muted{color:var(--muted)}
ul.links{list-style:none;padding:0;margin:16px 0 0;border-top:1px solid var(--line)}
ul.links li{border-bottom:1px solid var(--line)}
ul.links a{display:flex;justify-content:space-between;gap:12px;padding:14px 2px;text-decoration:none}
ul.links a:hover{background:var(--soft)}
ul.links span{color:var(--muted);font-size:14px}

footer{border-top:1px solid var(--line);padding-block:18px 28px;color:var(--muted);font-size:14px}