:root{
  --navy:#071a2f;
  --navy-2:#0a213b;
  --blue:#1468f3;
  --blue-soft:#eaf2ff;
  --ink:#132238;
  --muted:#66768a;
  --line:#dfe6ef;
  --surface:#f7f9fc;
  --white:#ffffff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;font-size:20px}
body{
  margin:0;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  line-height:1.62;
  letter-spacing:-.005em;
}
a{color:inherit;text-decoration:none}
.container{width:min(var(--max),calc(100% - 48px));margin:auto}

/* PAR CORE style: narrow institutional strip + clean white navigation */
.topbar{background:var(--navy);color:#c8d5e3;font-size:.68rem;letter-spacing:.015em}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:26px;min-height:38px}
.toplinks{display:flex;gap:20px;align-items:center}
.toplinks a:hover{color:#fff}

.header{
  position:sticky;top:0;z-index:40;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)
}
.header .container{
  min-height:74px;display:flex;align-items:center;
  justify-content:space-between;gap:32px
}
.brand{display:flex;align-items:baseline;gap:5px;font-weight:820;letter-spacing:-.045em}
.brand .par{font-size:1.22rem;color:var(--navy)}
.brand .division{font-size:1.06rem;color:var(--blue)}
.nav{display:flex;align-items:center;gap:18px;font-size:.73rem;font-weight:680}
.nav a{padding:7px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a.active{color:var(--blue);border-bottom-color:var(--blue)}
.nav-cta{
  padding:9px 15px!important;border:1px solid var(--blue)!important;
  border-radius:4px;color:var(--blue)
}
.menu-btn{display:none;border:0;background:transparent;font-size:1.3rem}

/* HERO: same restrained institutional structure as PAR CORE */
.hero{
  background:linear-gradient(135deg,#06182c 0%,#092846 100%);
  color:#fff;padding:78px 0 68px;
  position:relative;overflow:hidden
}
.hero:after{
  content:"";position:absolute;right:-70px;top:-90px;width:470px;height:470px;
  border:1px solid rgba(255,255,255,.055);border-radius:50%;
  box-shadow:0 0 0 64px rgba(255,255,255,.016),0 0 0 128px rgba(255,255,255,.012)
}
.eyebrow{
  color:var(--blue);font-size:.66rem;font-weight:850;
  letter-spacing:.16em;text-transform:uppercase;margin-bottom:13px
}
.hero .eyebrow{color:#67a0ff}
.hero h1{
  margin:0 0 9px;font-size:clamp(2.8rem,6.6vw,5.4rem);
  line-height:.97;letter-spacing:-.06em;font-weight:830
}
.hero h2{
  margin:0 0 22px;font-size:clamp(1.35rem,2.7vw,2.08rem);
  font-weight:520;color:#dbe7f4;letter-spacing:-.025em
}
.hero p{font-size:1rem;max-width:900px;color:#cbd8e6;margin:0}
.question{
  margin-top:30px;max-width:900px;padding:17px 0 17px 21px;
  border-left:4px solid var(--blue);background:transparent;border-radius:0;
  color:#dbe7f4
}
.question strong{color:#fff}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 16px;border-radius:4px;font-size:.75rem;font-weight:760
}
.btn.primary{background:var(--blue);color:#fff}
.btn.ghost{border:1px solid rgba(255,255,255,.4);color:#fff}

/* Editorial sections */
.section{padding:66px 0}
.section.alt{background:var(--surface)}
.section.dark{background:var(--navy);color:#fff}
.section h2{
  font-size:clamp(1.9rem,3.7vw,3rem);line-height:1.08;
  letter-spacing:-.045em;margin:0 0 15px;color:var(--navy)
}
.section.dark h2{color:#fff}
.lead{max-width:900px;color:var(--muted);font-size:1rem;margin:0}
.dark .lead{color:#c3d1df}

/* PAR CORE cards: top blue rule, flatter and editorial */
.grid{display:grid;gap:18px}
.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-top:3px solid var(--blue);
  border-radius:0;padding:22px 22px 23px;
  box-shadow:none
}
.card h3{
  margin:7px 0 7px;font-size:1rem;line-height:1.22;
  color:var(--navy);letter-spacing:-.025em
}
.card p{margin:0;color:var(--muted);font-size:.79rem;line-height:1.58}
.card .num{
  display:block;color:var(--blue);font-size:.63rem;
  font-weight:850;letter-spacing:.14em;margin-bottom:4px
}
.dark .card{
  background:#0b2743;border-color:#24435f;border-top-color:#4d8cff
}
.dark .card h3{color:#fff}
.dark .card p{color:#c9d6e3}
.icon{
  width:auto;height:auto;display:block;background:none;color:var(--blue);
  font-size:.64rem;font-weight:850;letter-spacing:.14em;
  margin:0 0 7px;text-transform:uppercase
}
.standard-grid a.card{transition:.16s ease}
.standard-grid a.card:hover{border-color:#a9c7f8;border-top-color:var(--blue);transform:translateY(-2px)}

/* Numbered architecture strip */
.flow{
  display:grid;grid-template-columns:repeat(5,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
  gap:0;margin-top:27px;background:#fff
}
.flow .step{
  padding:19px 17px 20px;border:0;border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);border-top:3px solid var(--blue);
  border-radius:0;background:#fff
}
.flow strong{display:block;font-size:.88rem;color:var(--navy);margin:3px 0 5px}
.kicker{
  color:var(--blue);font-size:.6rem;font-weight:850;
  letter-spacing:.14em;text-transform:uppercase
}
.notice{font-size:.71rem;color:var(--muted);line-height:1.5}

/* Left-rule callouts */
.callout{
  background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);
  border-radius:0;padding:20px 22px
}
.callout strong{color:var(--navy)}

/* Internal page intro */
.pagehero{
  padding:56px 0 48px;background:#fff;border-bottom:1px solid var(--line)
}
.pagehero h1{
  font-size:clamp(2.35rem,5vw,4rem);line-height:1;
  letter-spacing:-.055em;margin:0 0 16px;color:var(--navy)
}
.pagehero p{max-width:900px;color:var(--muted);font-size:.96rem;margin:0}
.breadcrumb{
  color:#718198;font-size:.64rem;text-transform:uppercase;
  letter-spacing:.10em;margin-bottom:16px
}
.tagrow{display:flex;gap:8px;flex-wrap:wrap;margin-top:17px}
.tag{
  font-size:.65rem;padding:6px 9px;border:1px solid var(--line);
  border-radius:3px;background:#fff;color:#405571;font-weight:700
}

/* Tables / matrix */
.matrix{
  display:grid;grid-template-columns:1.2fr repeat(3,1fr);
  border-top:1px solid var(--line);border-left:1px solid var(--line);
  margin-top:25px;background:#fff
}
.matrix div{
  padding:14px 15px;border-right:1px solid var(--line);
  border-bottom:1px solid var(--line);font-size:.74rem
}
.matrix .head{font-weight:820;color:var(--navy);background:#f4f7fa}

/* Hierarchy blocks use only left blue rule */
.tier{
  padding:17px 20px;background:#fff;border:1px solid var(--line);
  border-left:4px solid var(--blue);border-radius:0
}
.tier + .tier{margin-top:10px}

/* Footer copied in spirit from PAR CORE */
.footer{background:#051525;color:#c9d5e2;padding:42px 0 24px}
.footergrid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
.footer h4{color:#fff;margin:0 0 9px;font-size:.77rem}
.footer a{display:block;margin:6px 0;color:#b9c8d8;font-size:.72rem}
.footer p{font-size:.74rem!important;line-height:1.55}
.footerbottom{
  border-top:1px solid #17324f;margin-top:30px;padding-top:17px;
  font-size:.66rem;color:#8fa4ba;display:flex;justify-content:space-between;
  gap:20px;flex-wrap:wrap
}

@media(max-width:1050px){
  .nav{display:none}
  .nav.open{
    display:flex;position:absolute;top:74px;left:0;right:0;background:#fff;
    flex-direction:column;align-items:flex-start;padding:22px 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}
  .footergrid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  html{font-size:18px}
  .container{width:min(100% - 30px,var(--max))}
  .topbar .container{display:block;padding:7px 0}
  .toplinks{margin-top:4px}
  .hero{padding:60px 0 50px}
  .section{padding:52px 0}
  .grid.two,.grid.three,.grid.four,.flow,.footergrid,.matrix{grid-template-columns:1fr}
  .hero:after{display:none}
}