/* ===========================================================
   NSX GLOBAL — design tokens
   =========================================================== */
:root{
  --deep-blue:#0B3D63;
  --deep-blue-dark:#082B47;
  --signal-blue:#1E88E5;
  --signal-blue-dark:#146AB8;
  --sky-tint:#EAF3FA;
  --sky-tint-2:#F5FAFD;
  --ink:#12232E;
  --slate:#5C7080;
  --slate-light:#8EA0AE;
  --white:#FFFFFF;
  --line:#D9E4EC;

  --font-display:'Space Grotesk', sans-serif;
  --font-body:'Inter', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --container:1160px;
  --radius:10px;
  --shadow-sm:0 2px 10px rgba(11,61,99,0.06);
  --shadow-md:0 12px 32px rgba(11,61,99,0.12);
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--white);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;line-height:1.15;letter-spacing:-0.01em;}
p{margin:0 0 1em;color:var(--slate);}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--signal-blue);
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-bottom:14px;
}
.eyebrow::before{
  content:'';
  width:16px;height:1px;
  background:var(--signal-blue);
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-mono);
  font-size:.82rem;
  letter-spacing:.03em;
  padding:13px 24px;
  border-radius:6px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
}
.btn-primary{background:var(--signal-blue);color:var(--white);}
.btn-primary:hover{background:var(--signal-blue-dark);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.btn-ghost{border-color:var(--line);color:var(--deep-blue);background:var(--white);}
.btn-ghost:hover{border-color:var(--signal-blue);color:var(--signal-blue);transform:translateY(-2px);}
.btn-ghost-inverse{border-color:rgba(255,255,255,.35);color:var(--white);}
.btn-ghost-inverse:hover{border-color:var(--white);background:rgba(255,255,255,.08);transform:translateY(-2px);}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 0;
}
.logo{
  font-family:var(--font-display);
  font-weight:700;
  font-size:1.28rem;
  color:var(--deep-blue);
  display:flex;align-items:center;gap:10px;
}
.logo .mark{
  width:30px;height:30px;
  border-radius:7px;
  background:linear-gradient(135deg,var(--signal-blue),var(--deep-blue));
  position:relative;
  flex-shrink:0;
}
.logo .mark::after{
  content:'';
  position:absolute;inset:9px;
  border:1.5px solid var(--white);
  border-radius:2px;
}
.logo small{
  display:block;
  font-family:var(--font-mono);
  font-size:.6rem;
  font-weight:400;
  letter-spacing:.12em;
  color:var(--slate);
  margin-top:1px;
}
.nav-links{display:flex;gap:34px;align-items:center;}
.nav-links a{
  font-size:.92rem;
  color:var(--ink);
  position:relative;
  padding:4px 0;
  transition:color .15s ease;
}
.nav-links a::after{
  content:'';
  position:absolute;left:0;bottom:-2px;
  width:0;height:2px;
  background:var(--signal-blue);
  transition:width .2s ease;
}
.nav-links a:hover{color:var(--signal-blue);}
.nav-links a:hover::after,.nav-links a.active::after{width:100%;}
.nav-links a.active{color:var(--signal-blue);}
.nav-actions{display:flex;align-items:center;gap:18px;}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:6px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--deep-blue);margin:5px 0;}

@media (max-width:900px){
  .nav-links{
    position:fixed;top:68px;left:0;right:0;
    background:var(--white);
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    border-bottom:1px solid var(--line);
    max-height:0;overflow:hidden;
    transition:max-height .3s ease;
  }
  .nav-links.open{max-height:400px;}
  .nav-links a{padding:16px 28px;width:100%;border-bottom:1px solid var(--sky-tint);}
  .nav-actions .btn-primary{display:none;}
  .nav-toggle{display:block;}
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--deep-blue-dark);
  color:rgba(255,255,255,.7);
  padding:64px 0 28px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-grid h4{color:var(--white);font-size:.95rem;margin-bottom:18px;}
.footer-grid .logo{color:var(--white);margin-bottom:14px;}
.footer-grid p{color:rgba(255,255,255,.55);font-size:.9rem;}
.footer-links a{
  display:block;color:rgba(255,255,255,.65);
  font-size:.9rem;padding:6px 0;
  transition:color .15s ease;
}
.footer-links a:hover{color:var(--white);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:26px;
  font-family:var(--font-mono);
  font-size:.76rem;
  color:rgba(255,255,255,.45);
  flex-wrap:wrap;gap:12px;
}
@media (max-width:800px){
  .footer-grid{grid-template-columns:1fr 1fr;}
}

/* ---------- Page hero (inner pages) ---------- */
.page-hero{
  background:var(--sky-tint);
  padding:76px 0 56px;
  border-bottom:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.page-hero h1{font-size:2.6rem;color:var(--deep-blue);max-width:720px;}
.page-hero .lede{font-size:1.08rem;max-width:640px;color:var(--slate);}
.breadcrumb{
  font-family:var(--font-mono);
  font-size:.75rem;
  color:var(--slate-light);
  margin-bottom:18px;
  letter-spacing:.03em;
}
.breadcrumb a:hover{color:var(--signal-blue);}

/* ---------- Section utilities ---------- */
section{padding:88px 0;}
.section-tint{background:var(--sky-tint-2);}
.section-head{max-width:640px;margin-bottom:52px;}
.section-head h2{font-size:2.1rem;color:var(--deep-blue);}

/* ---------- CTA banner ---------- */
.cta-banner{
  background:linear-gradient(120deg,var(--deep-blue),var(--deep-blue-dark));
  color:var(--white);
  border-radius:16px;
  padding:56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  position:relative;
  overflow:hidden;
}
.cta-banner::before{
  content:'';
  position:absolute;right:-60px;top:-60px;
  width:220px;height:220px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(30,136,229,.35),transparent 70%);
}
.cta-banner h3{color:var(--white);font-size:1.7rem;max-width:460px;margin-bottom:8px;}
.cta-banner p{color:rgba(255,255,255,.7);max-width:460px;margin-bottom:0;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}
@media (max-width:760px){
  .cta-banner{flex-direction:column;align-items:flex-start;padding:36px 26px;}
}

/* ---------- Reveal-on-scroll ---------- */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:translateY(0);}