:root{
  --navy:#071a2f;
  --navy2:#0b2745;
  --blue:#1769ff;
  --blue2:#4d8dff;
  --ice:#f5f8fc;
  --line:#d9e2ee;
  --ink:#102033;
  --muted:#627287;
  --white:#fff;
  --radius:18px;
  --shadow:0 18px 50px rgba(6,29,53,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;font-size:18px}
body{
  margin:0;
  font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink); background:#fff; line-height:1.67;
}
a{color:inherit;text-decoration:none}
.container{width:min(1180px,calc(100% - 48px));margin:auto}
.topbar{background:var(--navy);color:#cbd7e5;font-size:.78rem}
.topbar .container{display:flex;justify-content:space-between;gap:24px;padding:8px 0}
.toplinks{display:flex;gap:18px;flex-wrap:wrap}
.header{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);
  backdrop-filter:blur(14px);border-bottom:1px solid var(--line)
}
.header .container{display:flex;align-items:center;justify-content:space-between;min-height:78px;gap:28px}
.brand{display:flex;align-items:baseline;gap:8px;font-weight:800;letter-spacing:-.03em}
.brand .par{font-size:1.35rem;color:var(--navy)}
.brand .division{font-size:1rem;color:var(--blue);letter-spacing:.02em}
.nav{display:flex;align-items:center;gap:21px;font-size:.86rem;font-weight:650}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav-cta{padding:10px 16px;border:1px solid var(--blue);border-radius:999px;color:var(--blue)}
.menu-btn{display:none;border:0;background:transparent;font-size:1.4rem}
.hero{
  background:
    radial-gradient(circle at 80% 25%, rgba(53,121,255,.25) 0, rgba(53,121,255,0) 30%),
    linear-gradient(135deg,var(--navy) 0%,#0c3157 72%,#11477a 100%);
  color:#fff;padding:92px 0 74px;position:relative;overflow:hidden
}
.hero:after{
  content:"";position:absolute;right:-9%;top:-35%;width:650px;height:650px;
  border:1px solid rgba(255,255,255,.08);border-radius:50%;
  box-shadow:0 0 0 80px rgba(255,255,255,.024),0 0 0 160px rgba(255,255,255,.016)
}
.eyebrow{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--blue2);margin-bottom:14px}
.hero h1{font-size:clamp(2.8rem,7vw,5.7rem);line-height:.96;letter-spacing:-.055em;margin:0 0 16px;max-width:930px}
.hero h2{font-size:clamp(1.45rem,3vw,2.25rem);font-weight:560;margin:0 0 24px;color:#d9e8f7}
.hero p{font-size:1.08rem;max-width:860px;color:#c8d8e9}
.question{margin-top:34px;padding:22px 24px;border-left:4px solid var(--blue);background:rgba(255,255,255,.06);max-width:930px;border-radius:0 12px 12px 0}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 19px;border-radius:999px;font-weight:750;font-size:.9rem}
.btn.primary{background:var(--blue);color:#fff}
.btn.ghost{border:1px solid rgba(255,255,255,.35);color:#fff}
.section{padding:74px 0}
.section.alt{background:var(--ice)}
.section.dark{background:var(--navy);color:#fff}
.section h2{font-size:clamp(2rem,4vw,3.25rem);line-height:1.06;letter-spacing:-.04em;margin:0 0 16px}
.lead{font-size:1.08rem;color:var(--muted);max-width:850px}
.dark .lead{color:#c3d2e2}
.grid{display:grid;gap:20px}
.grid.two{grid-template-columns:repeat(2,1fr)}
.grid.three{grid-template-columns:repeat(3,1fr)}
.grid.four{grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow)}
.card h3{margin:8px 0 8px;font-size:1.14rem;letter-spacing:-.02em}
.card p{color:var(--muted);margin:0;font-size:.91rem}
.card .num{font-size:.72rem;color:var(--blue);font-weight:800;letter-spacing:.12em}
.dark .card{background:#0c2744;border-color:#1d4163;box-shadow:none}
.dark .card p{color:#c8d8e9}
.icon{width:44px;height:44px;border-radius:12px;background:#eaf1ff;color:var(--blue);display:grid;place-items:center;font-weight:900;font-size:1.05rem}
.network-grid a.card{transition:.18s ease}
.network-grid a.card:hover{transform:translateY(-3px);border-color:#9cbcff}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-top:28px}
.flow .step{padding:20px 16px;border-top:3px solid var(--blue);background:#fff;border-radius:0 0 12px 12px;border-left:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.flow strong{display:block;margin-bottom:4px}
.kicker{font-size:.72rem;font-weight:850;color:var(--blue);letter-spacing:.12em;text-transform:uppercase}
.callout{border-left:4px solid var(--blue);padding:20px 24px;background:#eff5ff;border-radius:0 12px 12px 0}
.pagehero{padding:64px 0 52px;background:linear-gradient(180deg,#f6f9fd,#fff);border-bottom:1px solid var(--line)}
.pagehero h1{font-size:clamp(2.4rem,5vw,4.2rem);line-height:1;letter-spacing:-.05em;margin:0 0 18px;color:var(--navy)}
.pagehero p{max-width:850px;color:var(--muted);font-size:1.05rem}
.breadcrumb{font-size:.78rem;color:#6d7c8f;margin-bottom:20px}
.tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:18px}
.tag{font-size:.75rem;padding:7px 10px;border-radius:999px;background:#eef4fb;color:#31506f;font-weight:700}
.map{
  margin-top:34px;padding:30px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow)
}
.maprow{display:grid;grid-template-columns:1fr 70px 1fr 70px 1fr;align-items:center;gap:8px}
.node{padding:20px;border:1px solid var(--line);border-radius:14px;background:#f9fbfe}
.node strong{display:block;color:var(--navy);margin-bottom:4px}
.arrow{text-align:center;color:var(--blue);font-weight:900;font-size:1.4rem}
.tier{padding:18px 20px;border-left:4px solid var(--blue);background:#fff;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);border-radius:0 12px 12px 0}
.tier + .tier{margin-top:12px}
.footer{background:#051525;color:#c9d5e2;padding:48px 0 28px}
.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer h4{color:#fff;margin:0 0 10px}
.footer a{display:block;margin:7px 0;color:#b9c8d8;font-size:.86rem}
.footerbottom{border-top:1px solid #17324f;margin-top:34px;padding-top:20px;font-size:.78rem;color:#8fa4ba;display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.notice{font-size:.8rem;color:var(--muted)}
@media(max-width:980px){
  .nav{display:none}.nav.open{display:flex;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:24px;border-bottom:1px solid var(--line)}
  .menu-btn{display:block}
  .grid.three,.grid.four{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:1fr 1fr}
  .maprow{grid-template-columns:1fr}
  .arrow{transform:rotate(90deg)}
  .footergrid{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  html{font-size:17px}
  .container{width:min(100% - 30px,1180px)}
  .hero{padding:66px 0 52px}
  .grid.two,.grid.three,.grid.four,.flow,.footergrid{grid-template-columns:1fr}
  .topbar .container{display:block}
}