/* phseguin.ca — "Executive Industrial" theme. Dependency-free. */
:root{
  --bg:#111827;--panel:#1f2937;--panel-hover:#374151;--fg:#f9fafb;--muted:#9ca3af;
  --acc:#2563eb;--acc-hover:#1d4ed8;--acc-text:#60a5fa;--gold:#f59e0b;--line:#374151;--max:980px
}
@media (prefers-color-scheme:light){
  :root{--bg:#f9fafb;--panel:#ffffff;--panel-hover:#f3f4f6;--fg:#111827;--muted:#4b5563;--acc:#2563eb;--acc-hover:#1d4ed8;--acc-text:#1d4ed8;--gold:#b45309;--line:#e5e7eb}
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;background:var(--bg);color:var(--fg)}
a{color:var(--acc-text)}a:hover{text-decoration:underline}
header.site{border-bottom:1px solid var(--line);background:var(--panel);position:sticky;top:0;z-index:5}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 16px;max-width:var(--max);margin:0 auto;flex-wrap:wrap}
header.site .brand{font-weight:700;text-decoration:none;color:var(--fg);font-size:1.1rem;letter-spacing:-.01em}
header.site nav a{margin-left:18px;text-decoration:none;color:var(--muted);font-weight:500}
header.site nav a:hover{color:var(--fg)}header.site nav a[aria-current]{color:var(--fg);border-bottom:2px solid var(--gold);padding-bottom:2px}
main{max-width:var(--max);margin:0 auto;padding:40px 16px}
h1{font-size:2.3rem;line-height:1.15;margin:0 0 10px;letter-spacing:-.02em;color:var(--fg)}
h1 span,.highlight{color:var(--gold)}
h2{font-size:1.35rem;margin:40px 0 12px;color:var(--fg);border-left:4px solid var(--acc);padding-left:12px}
h3{margin:22px 0 6px;font-size:1.05rem}h3 small{color:var(--muted);font-weight:400;font-size:.9rem}
p.lead{font-size:1.15rem;color:var(--muted);max-width:760px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;color:var(--acc-text);font-weight:600;margin:0 0 8px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:1.4rem;transition:background-color .2s ease,border-color .2s ease}
.card:hover{background:var(--panel-hover);border-color:var(--acc)}
.card h3{margin-top:0}.card p{margin:0;color:var(--muted);font-size:.95rem}
.card .metric{display:block;font-size:1.7rem;font-weight:700;color:var(--gold);line-height:1.1;margin-bottom:6px}
.btn{display:inline-block;background:var(--acc);color:#fff;padding:.6rem 1.25rem;border-radius:6px;text-decoration:none;font-weight:500;margin:8px 8px 8px 0;transition:background-color .2s ease}
.btn:hover{background:var(--acc-hover);text-decoration:none}
.btn.secondary{background:transparent;color:var(--acc-text);border:1px solid var(--acc)}.btn.secondary:hover{background:rgba(37,99,235,.12)}
.btn.gold{background:var(--gold);color:#111827}.btn.gold:hover{background:#d97706}
.tags span,.badge{display:inline-block;background:rgba(37,99,235,.15);color:var(--acc-text);border:1px solid rgba(37,99,235,.3);border-radius:9999px;padding:.25rem .75rem;margin:3px 6px 3px 0;font-size:.85rem;font-weight:600}
.tags span.gold{background:rgba(245,158,11,.15);color:var(--gold);border-color:rgba(245,158,11,.35)}
pre{background:#0b1220;color:#d1d5db;padding:14px;border-radius:8px;overflow:auto;font-size:.85rem;border:1px solid var(--line)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}p code,li code,td code{background:var(--line);padding:1px 5px;border-radius:4px}
table{border-collapse:collapse;width:100%;margin:12px 0;font-size:.93rem}th,td{border:1px solid var(--line);padding:7px 10px;text-align:left;vertical-align:top}th{background:var(--panel)}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:20px 16px;text-align:center;margin-top:48px}
.doc h1{font-size:1.8rem}.doc h2{margin-top:32px}.doc ul,.doc ol{padding-left:22px}.doc li{margin:4px 0}
.notice{border-left:4px solid var(--gold);background:var(--panel);padding:10px 14px;border-radius:0 8px 8px 0;margin:16px 0}
ul.plain{list-style:none;padding:0}ul.plain li{margin:6px 0}
.diagram{white-space:pre;font-family:ui-monospace,monospace;font-size:.78rem;line-height:1.3;background:#0b1220;color:#d1d5db;padding:14px;border-radius:8px;overflow:auto;border:1px solid var(--line)}
.timeline h3{margin-bottom:2px}.timeline ul{margin-top:4px}