:root{
  --bg:#FFFFFF; --bg-2:#F8FAFC; --bg-3:#EFF4FB;
  --bg-dark:#0B2566; --bg-dark-2:#143087; --bg-steel:#1E3FA0;
  --text:#0F172A; --text-dim:#1F2D4A; --muted:#475569;
  --muted-dark:#BFDBFE; --on-dark:#FFFFFF;
  --line:#E2E8F0; --line-2:#CBD5E1;
  --line-dark:#1E3FA0; --line-dark-2:#2D52BF;
  --accent:#2563EB; --accent-2:#3B82F6; --accent-dark:#1D4ED8;
  --accent-soft:rgba(37,99,235,.08);
  --r-sm:4px; --r:6px; --r-lg:10px;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 6px 20px rgba(15,23,42,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--text);font-family:'Inter',system-ui,sans-serif;font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img,svg{max-width:100%;display:block}
::selection{background:var(--accent);color:#fff}

h1,h2,h3,h4{font-family:'Inter Tight','Inter',sans-serif;font-weight:700;letter-spacing:-.025em;margin:0;color:var(--text)}
h1{font-size:clamp(34px,4.4vw,52px);line-height:1.08;margin-bottom:18px}
h2{font-size:clamp(24px,2.6vw,32px);line-height:1.2;margin:48px 0 18px}
h3{font-size:20px;line-height:1.3;margin:32px 0 12px}
p{margin:0 0 16px;color:var(--text-dim)}
ul,ol{padding-left:20px;color:var(--text-dim);margin:0 0 18px}
li{padding:4px 0}
strong{color:var(--text)}
hr{border:0;border-top:1px solid var(--line);margin:48px 0}
.mono{font-family:'JetBrains Mono',ui-monospace,Menlo,monospace;letter-spacing:.02em}
.muted{color:var(--muted)}
.eyebrow{display:inline-flex;align-items:center;gap:10px;font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;text-transform:uppercase;letter-spacing:.2em;color:var(--accent)}
.eyebrow::before{content:"";width:14px;height:1px;background:var(--accent)}
.container{max-width:920px;margin:0 auto;padding:0 32px}
.container-wide{max-width:1280px;margin:0 auto;padding:0 32px}
@media (max-width:600px){.container,.container-wide{padding:0 20px}}

/* nav */
.nav{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.92);backdrop-filter:saturate(140%) blur(14px);-webkit-backdrop-filter:saturate(140%) blur(14px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px;max-width:1280px;margin:0 auto;padding:0 32px}
@media (max-width:600px){.nav-inner{padding:0 20px}}
.logo{display:flex;align-items:center;gap:12px;font-family:'Inter Tight',sans-serif;font-weight:800;letter-spacing:-.03em;font-size:22px;color:var(--text)}
.logo-mark{width:26px;height:26px;border:2.5px solid var(--accent);position:relative;flex-shrink:0}
.logo-mark::after{content:"";position:absolute;inset:5px;background:var(--accent)}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:var(--r);font-weight:500;font-size:14px;font-family:'JetBrains Mono',monospace;letter-spacing:.04em;text-transform:uppercase;border:1px solid transparent;transition:all .18s;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-ghost{border-color:var(--line-2);color:var(--text);background:transparent}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}

/* page */
main{padding:60px 0 100px}
@media (max-width:600px){main{padding:40px 0 60px}}
.crumbs{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:32px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.crumbs a{color:var(--accent);transition:.15s}
.crumbs a:hover{color:var(--accent-dark)}
.crumbs span{color:var(--line-2)}

article p a{color:var(--accent);border-bottom:1px solid var(--accent-soft);transition:.15s}
article p a:hover{border-bottom-color:var(--accent)}
article blockquote{margin:24px 0;padding:18px 24px;border-left:3px solid var(--accent);background:var(--bg-2);font-size:16px;color:var(--text);border-radius:0 var(--r) var(--r) 0}
article blockquote p:last-child{margin-bottom:0}

.callout{padding:24px 28px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);margin:24px 0}
.callout b{display:block;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.16em;color:var(--accent);text-transform:uppercase;margin-bottom:8px;font-weight:500}
.callout p{margin-bottom:0}

table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14px}
th,td{padding:12px 14px;border:1px solid var(--line);text-align:left;vertical-align:top}
th{background:var(--bg-2);font-weight:600;font-family:'JetBrains Mono',monospace;font-size:12px;text-transform:uppercase;letter-spacing:.06em}

.kicker{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;align-items:flex-end;margin-bottom:32px;font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);letter-spacing:.06em}
.kicker .meta{display:flex;gap:20px;flex-wrap:wrap}
.kicker .meta span{display:inline-flex;align-items:center;gap:8px}
.kicker .meta span::before{content:"";width:5px;height:5px;background:var(--accent);border-radius:50%}

.cta-strip{margin-top:64px;padding:36px 32px;background:var(--bg-dark);color:#fff;border-radius:var(--r);display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.cta-strip h3{color:#fff;margin:0}
.cta-strip p{color:#DBEAFE;margin:6px 0 0;font-size:14px}

footer{padding:48px 0 32px;background:var(--bg-dark);color:#BFDBFE;font-size:14px;border-top:1px solid var(--line-dark);margin-top:80px}
footer .container-wide{display:flex;justify-content:space-between;flex-wrap:wrap;gap:18px;align-items:center}
footer a{color:#DBEAFE}
footer a:hover{color:#fff}
footer .mono{font-size:11px;letter-spacing:.06em;color:#93C5FD}