/* ============================================================
   Define IT — design tokens
   ============================================================ */
:root{
  --navy: #0A1F5C;      /* Deep Navy — anchor */
  --navy-2: #071540;    /* darker step for hover states */
  --slate: #6B7A99;     /* body text / captions */
  --bg: #F4F6FB;        /* Ice — page background */
  --panel: #FFFFFF;
  --ink: #0D0D0D;       /* Rich Black — type */
  --ink-soft: #6B7A99;  /* Slate */
  --signal: #2347AC;    /* Brand Blue — primary */
  --signal-dim: #DCE4F5;/* Pale Blue — backgrounds & tints */
  --amber: #DCE4F5;     /* Pale Blue used as the on-dark accent */
  --line: #C8D1E8;      /* Mist — dividers / borders */
  --ok: #2347AC;

  --display: "Exo 2", "Helvetica Neue", sans-serif;
  --body: "Exo 2", "Helvetica Neue", sans-serif;
  --mono: "Exo 2", "Helvetica Neue", sans-serif;

  --radius: 3px;
  --max: 1100px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;}
h1,h2,h3{
  font-family:var(--display);
  font-weight:600;
  line-height:1.15;
  margin:0 0 .5em;
  color:var(--navy);
  letter-spacing:-0.01em;
}
p{margin:0 0 1em;color:var(--ink-soft);}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}

/* focus visibility */
a:focus-visible,button:focus-visible{
  outline:2px solid var(--signal);
  outline-offset:3px;
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.001ms !important; transition-duration:0.001ms !important;}
}

/* ---------- status strip (signature element) ---------- */
.statusbar{
  background:var(--navy);
  color:#B9C6D6;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.02em;
}
.statusbar .wrap{
  display:flex;
  gap:28px;
  padding:8px 24px;
  overflow-x:auto;
  white-space:nowrap;
}
.statusbar .item{display:flex;align-items:center;gap:7px;}
.statusbar .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--ok);
  box-shadow:0 0 0 3px rgba(63,159,110,.18);
  flex:none;
}

/* ---------- header / nav ---------- */
header.site{
  background:var(--panel);
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:20;
}
header.site .wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 24px;
}
.brand{
  display:inline-flex;align-items:center;
}
.brand img{
  height:42px;width:auto;display:block;
}
footer.site .foot-brand img{
  height:30px;width:auto;display:block;
}
nav.main{display:flex;gap:2px;align-items:center;}
nav.main a{
  font-family:var(--body);font-weight:600;font-size:14px;
  color:var(--ink-soft);text-decoration:none;
  padding:9px 14px;border-radius:var(--radius);
}
nav.main a:hover{color:var(--navy);background:var(--bg);}
nav.main a.current{color:var(--navy);}
nav.main a.cta{
  background:var(--navy);color:#fff;margin-left:8px;
}
nav.main a.cta:hover{background:var(--navy-2);color:#fff;}

/* ---------- hero ---------- */
.hero{
  padding:88px 0 76px;
  background:
    linear-gradient(180deg, var(--bg) 0%, var(--bg) 100%);
  position:relative;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero .wrap{position:relative;z-index:1;}
.eyebrow{
  font-family:var(--mono);font-size:12px;letter-spacing:.08em;
  color:var(--signal);text-transform:uppercase;
  display:flex;align-items:center;gap:8px;margin-bottom:18px;
}
.eyebrow::before{
  content:"";width:18px;height:1px;background:var(--signal);
}
.hero h1{
  font-size:clamp(34px,5vw,54px);
  max-width:15ch;
  margin-bottom:20px;
}
.hero .lede{
  font-size:18px;max-width:52ch;color:var(--ink-soft);
  margin-bottom:34px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}

.btn{
  font-family:var(--body);font-weight:600;font-size:15px;
  padding:13px 24px;border-radius:var(--radius);
  text-decoration:none;display:inline-block;border:1px solid transparent;
  transition:transform .12s ease, background .12s ease;
}
.btn:hover{transform:translateY(-1px);}
.btn-primary{background:var(--navy);color:#fff;}
.btn-primary:hover{background:var(--navy-2);}
.btn-ghost{background:transparent;color:var(--navy);border-color:var(--line);}
.btn-ghost:hover{border-color:var(--navy);}

/* diagram / network motif used in hero */
.netgrid{
  position:absolute;right:-60px;top:0;bottom:0;width:46%;
  opacity:.9;pointer-events:none;
}
@media (max-width: 860px){ .netgrid{display:none;} }

/* ---------- photo banner ---------- */
.photo-banner{
  position:relative;height:380px;overflow:hidden;
}
.photo-banner img{
  width:100%;height:100%;object-fit:cover;display:block;
}
.photo-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(0deg, rgba(10,31,92,.82) 0%, rgba(10,31,92,.15) 55%, rgba(10,31,92,0) 100%);
}
.photo-banner .caption{
  position:absolute;left:0;right:0;bottom:0;
  padding:28px 24px;color:#fff;
}
.photo-banner .caption .wrap{padding:0;}
.photo-banner .caption p{
  font-family:var(--display);font-size:19px;font-weight:600;
  color:#fff;margin:0;max-width:36ch;
}
@media (max-width:640px){ .photo-banner{height:280px;} }

/* ---------- sections ---------- */
section{padding:72px 0;}
.section-head{max-width:56ch;margin-bottom:44px;}
.section-head .eyebrow{margin-bottom:14px;}
.section-head h2{font-size:clamp(26px,3.2vw,34px);}
.section-head p{font-size:16.5px;}

.grid{
  display:grid;gap:22px;
  grid-template-columns:repeat(3,1fr);
}
@media (max-width: 860px){ .grid{grid-template-columns:1fr;} }
.grid.cols-4{grid-template-columns:repeat(4,1fr);}
@media (max-width: 980px){ .grid.cols-4{grid-template-columns:repeat(2,1fr);} }
@media (max-width: 560px){ .grid.cols-4{grid-template-columns:1fr;} }

.card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
}
.card .idx{
  font-family:var(--mono);font-size:12px;color:var(--signal);
  margin-bottom:14px;display:block;
}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{font-size:14.5px;margin-bottom:0;}

.band{
  background:var(--navy);color:#fff;
}
.band h2, .band .eyebrow{color:#fff;}
.band .eyebrow{color:var(--amber);}
.band .eyebrow::before{background:var(--amber);}
.band p{color:#C4CEDA;}

.split{
  display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:start;
}
@media (max-width:860px){ .split{grid-template-columns:1fr;} }

.list-check{list-style:none;margin:0;padding:0;}
.list-check li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);
  font-size:15px;color:var(--ink-soft);
}
.band .list-check li{border-color:rgba(255,255,255,.14);color:#D6DEE7;}
.list-check li::before{
  content:"";width:8px;height:8px;margin-top:6px;flex:none;
  background:var(--signal);border-radius:1px;
}

.panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;
}

/* ---------- footer ---------- */
footer.site{
  border-top:1px solid var(--line);
  padding:36px 0;
  background:var(--panel);
}
footer.site .wrap{
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;
}
footer.site .foot-brand{display:flex;align-items:center;}
footer.site .foot-meta{font-family:var(--mono);font-size:12.5px;color:var(--ink-soft);}
footer.site a{text-decoration:none;color:var(--ink-soft);}
footer.site a:hover{color:var(--navy);}

/* ---------- mobile nav ---------- */
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;}
@media (max-width:760px){
  .nav-toggle{display:block;}
  nav.main{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:var(--panel);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:8px 16px 16px;
  }
  nav.main.open{display:flex;}
  nav.main a{padding:12px 8px;border-bottom:1px solid var(--line);border-radius:0;}
  nav.main a.cta{margin:10px 0 0;text-align:center;}
  header.site .wrap{position:relative;}
}

/* ---------- contact page specifics ---------- */
.contact-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:22px;
}
@media (max-width:760px){ .contact-grid{grid-template-columns:1fr;} }
.contact-item .idx{font-family:var(--mono);font-size:12px;color:var(--signal);margin-bottom:8px;display:block;}
.contact-item h3{font-size:15px;margin-bottom:6px;}
.contact-item a.big{
  font-family:var(--display);font-size:20px;color:var(--navy);text-decoration:none;
}
.contact-item a.big:hover{color:var(--signal);}

.form{display:grid;gap:16px;}
.field{display:grid;gap:6px;}
.field label{font-size:13px;font-weight:600;color:var(--navy);}
.field input,.field select,.field textarea{
  font-family:var(--body);font-size:15px;
  padding:12px 13px;border:1px solid var(--line);border-radius:var(--radius);
  background:#fff;color:var(--ink);
}
.field textarea{resize:vertical;min-height:110px;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:2px solid var(--signal);outline-offset:1px;border-color:var(--signal);
}