:root{
  --bg:#F6F4EF;
  --panel:#FFFFFF;
  --navy:#0A1F33;
  --navy-2:#0E2A45;
  --ink:#16293D;
  --muted:#5A6B7C;
  --teal:#2148A2;
  --green:#4E75B8;
  --line:rgba(10,31,51,.13);
  --line-soft:rgba(10,31,51,.07);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'IBM Plex Mono','SF Mono',Menlo,Consolas,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
body{
  font-family:var(--sans);color:var(--ink);
  background:
    linear-gradient(var(--line-soft) 1px,transparent 1px),
    linear-gradient(90deg,var(--line-soft) 1px,transparent 1px);
  background-size:72px 72px;
  background-color:var(--bg);
  -webkit-font-smoothing:antialiased;
}
.page{max-width:1080px;margin:0 auto;padding:40px 32px 90px}

/* top bar */
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:44px;gap:16px;flex-wrap:wrap}
.back{display:inline-flex;align-items:center;gap:9px;font-family:var(--mono);font-size:11px;font-weight:500;
  letter-spacing:.06em;color:var(--navy);text-decoration:none;border:1px solid var(--line);border-radius:999px;
  padding:9px 18px;background:var(--panel);transition:all .2s}
.back:hover{border-color:var(--teal);color:var(--teal)}
.brand{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:var(--navy)}
.brand span{color:var(--teal)}

/* header */
.eyebrow{font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--teal);display:flex;align-items:center;gap:14px;margin-bottom:16px}
.eyebrow::before{content:'';width:34px;height:2px;background:currentColor;flex:none}
h1{font-size:clamp(30px,4.5vw,46px);font-weight:740;letter-spacing:-.028em;line-height:1.05;max-width:24ch}
.lede{font-size:clamp(14px,1.6vw,17px);line-height:1.6;color:var(--muted);max-width:70ch;margin-top:16px;font-weight:450}
.header{margin-bottom:44px}

/* structure */
h2.sec{font-size:clamp(19px,2.4vw,25px);font-weight:700;letter-spacing:-.02em;margin:52px 0 18px;
  display:flex;align-items:center;gap:14px}
h2.sec::after{content:'';flex:1;height:1px;background:var(--line)}
h2.sec:first-of-type{margin-top:0}
.klabel{font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--teal);margin-bottom:8px}
p.body{font-size:15px;line-height:1.7;color:var(--muted);max-width:76ch;margin-bottom:14px}
p.body b,p.body strong{color:var(--ink)}

/* cards */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:22px;
  box-shadow:0 1px 2px rgba(10,31,51,.04),0 8px 24px -18px rgba(10,31,51,.15)}
.card h4{font-size:15px;font-weight:680;letter-spacing:-.01em;margin-bottom:7px}
.card p{font-size:13px;line-height:1.6;color:var(--muted)}
.card .num{font-family:var(--mono);font-size:11px;font-weight:600;color:var(--teal);margin-bottom:10px;display:block}
.stat .n{font-size:clamp(24px,3vw,34px);font-weight:730;letter-spacing:-.025em;color:var(--navy);line-height:1}
.stat .l{font-family:var(--mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:8px;line-height:1.55}

/* dark panel */
.dark-panel{background:var(--navy);border-radius:12px;padding:28px;color:#E8EFEC}
.dark-panel .klabel{color:#9DBDF5}
.dark-panel h4{color:#FFF;font-size:16px;font-weight:660;margin-bottom:8px}
.dark-panel p{color:#A9BBC9;font-size:13.5px;line-height:1.65}
.dark-panel b{color:#9DBDF5}

/* tables */
table.t{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:10px;overflow:hidden;font-size:14px}
.t th{font-family:var(--mono);font-size:10px;font-weight:600;letter-spacing:.15em;text-transform:uppercase;
  text-align:left;background:var(--navy);color:#8FA6B8;padding:13px 18px}
.t td{padding:13px 18px;border-top:1px solid var(--line-soft);vertical-align:top;line-height:1.55}
.t td:first-child{font-weight:620;color:var(--navy)}
.t .mono{font-family:var(--mono);font-size:13px;color:var(--teal);font-weight:500;white-space:nowrap}
.badge{display:inline-block;font-family:var(--mono);font-size:9px;font-weight:600;letter-spacing:.1em;
  text-transform:uppercase;padding:4px 9px;border-radius:4px;white-space:nowrap}
.badge.g{background:rgba(29,158,112,.12);color:#117A52}
.badge.t2{background:rgba(33,72,162,.1);color:var(--teal)}
.badge.n{background:rgba(10,31,51,.08);color:var(--muted)}
.badge.o{background:rgba(196,150,42,.12);color:#8A6A1F}

/* lists */
ul.dash{list-style:none;display:grid;gap:9px}
ul.dash li{display:flex;gap:12px;font-size:14px;line-height:1.6;color:var(--muted)}
ul.dash li::before{content:'•';color:var(--teal);font-weight:600;flex:none}
ul.dash li b{color:var(--ink)}

/* callout / disclaimer */
.note{font-size:12.5px;line-height:1.65;color:#8A6A1F;background:rgba(196,150,42,.08);
  border:1px solid rgba(196,150,42,.25);border-radius:8px;padding:14px 18px;margin-top:20px}
.note b{font-weight:650}

/* figure */
figure.fig{margin:20px 0;text-align:center}
figure.fig img{max-width:100%;border:1px solid var(--line);border-radius:10px;background:#FFF;
  box-shadow:0 12px 40px -20px rgba(10,31,51,.3)}
figure.fig figcaption{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:12px}
.architecture-figure{width:min(96vw,1440px);margin-left:50%;transform:translateX(-50%)}
.architecture-figure img{width:100%;max-width:none;cursor:zoom-in}
.fullsize-link{display:inline-flex;margin-top:14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);padding:9px 16px;
  color:var(--navy);font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.04em;text-decoration:none}
.fullsize-link:hover{border-color:var(--teal);color:var(--teal)}

/* timeline */
.timeline{display:grid;gap:0;position:relative;margin-left:8px;border-left:2px solid var(--line);padding-left:28px}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{content:'';position:absolute;left:-35px;top:4px;width:12px;height:12px;border-radius:50%;
  background:var(--panel);border:3px solid var(--teal)}
.tl-item .when{font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--teal);margin-bottom:5px}
.tl-item h4{font-size:15.5px;font-weight:680;margin-bottom:5px}
.tl-item p{font-size:13.5px;color:var(--muted);line-height:1.6}

/* footer nav */
.footnav{display:flex;justify-content:space-between;align-items:center;margin-top:64px;padding-top:22px;
  border-top:1px solid var(--line);gap:14px;flex-wrap:wrap}
.footnav .links{display:flex;gap:8px;flex-wrap:wrap}
.footnav a.rel{font-family:var(--mono);font-size:10.5px;color:var(--navy);text-decoration:none;
  border:1px solid var(--line);border-radius:999px;padding:7px 14px;background:var(--panel);transition:all .2s}
.footnav a.rel:hover{border-color:var(--teal);color:var(--teal)}
.conf{font-family:var(--mono);font-size:9.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

.mb{margin-bottom:16px}
.mt{margin-top:16px}

@media (max-width:820px){
  .g2,.g3,.g4{grid-template-columns:1fr}
  .page{padding:28px 20px 70px}
  table.t{font-size:13px;display:block;overflow-x:auto}
}
@media print{
  body{background:#FFF}
  .back,.footnav .links{display:none}
  .card,.dark-panel{box-shadow:none;break-inside:avoid}
  h2.sec{break-after:avoid}
}

/* brand logo */
.brand{display:flex;align-items:center;gap:11px}
.brand img{height:52px;width:auto}