:root{
  --bg:#F5F6F8;
  --bg-soft:#EBEDF1;
  --surface:#FFFFFF;
  --border:#D8DCE1;
  --border-strong:#C2C8CF;
  --ink:#0F1216;
  --ink-mid:#454D55;
  --ink-low:#767F88;
  --blue:#2447C4;
  --blue-dim:#1A359A;
  --blue-soft:#E6ECFD;
  --gold:#A66A1B;
  --gold-soft:#FBF1E1;
  --red:#C7281F;
  --chip-body:#1C2024;
  --deep:#0F1216;
  --deep-surface:#191D22;
  --deep-border:#292F36;
  --deep-text-mid:#9BA5AF;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'IBM Plex Sans',sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:'Chakra Petch',sans-serif; font-weight:600; margin:0; color:var(--ink);}
p{line-height:1.65; color:var(--ink-mid); margin:0;}
a{color:inherit;}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:11px;
  letter-spacing:0.2em;
  text-transform:uppercase;
  color:var(--blue);
}
.wrap{max-width:1180px; margin:0 auto; padding:0 28px;}

/* ---- nav ---- */
.site-nav{
  position:sticky; top:0; z-index:50;
  background:rgba(245,246,248,0.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-strong);
  box-shadow:0 1px 0 rgba(15,18,22,0.03);
}
.site-nav .wrap{
  display:flex; align-items:center; justify-content:space-between;
  height:92px;
}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand img{height:56px; width:56px; object-fit:contain; border-radius:8px;}
.brand span{
  font-family:'Chakra Petch',sans-serif; font-weight:600; font-size:18px; color:var(--ink);
  letter-spacing:0.01em;
}
.nav-links{display:flex; gap:34px; align-items:center;}
.nav-links a{
  font-family:'IBM Plex Mono',monospace;
  font-size:12px; letter-spacing:0.08em; text-transform:uppercase;
  text-decoration:none; color:var(--ink-mid);
  position:relative; padding-bottom:4px;
  transition:color .2s ease;
}
.nav-links a:hover, .nav-links a.active{color:var(--ink);}
.nav-links a.active::after{
  content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--blue);
}
.nav-cta{
  font-family:'IBM Plex Mono',monospace; font-size:12px; letter-spacing:0.06em;
  color:#FFFFFF !important; background:var(--blue);
  padding:9px 16px; border-radius:5px; text-decoration:none; text-transform:uppercase;
  transition:background .2s ease;
}
.nav-cta:hover{background:var(--blue-dim); color:#FFFFFF !important;}
.nav-toggle{display:none;}

/* ---- footer ---- */
footer{
  border-top:1px solid var(--deep-border);
  background:var(--deep);
  padding:56px 0 28px;
  margin-top:120px;
}
.footer-grid{
  display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:40px;
  margin-bottom:36px;
}
.footer-col h4{
  font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.14em;
  text-transform:uppercase; color:#5B6672; margin:0 0 14px;
}
.footer-col p, .footer-col a{
  font-size:13.5px; color:var(--deep-text-mid); text-decoration:none; display:block; margin-bottom:8px;
}
.footer-col a:hover{color:var(--gold);}
.footer-bottom{
  border-top:1px solid var(--deep-border); padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-family:'IBM Plex Mono',monospace; font-size:10.5px; letter-spacing:0.05em; color:#5B6672;
}
.footer-col h4 ~ p:first-of-type{color:#B8C0C8;}

/* ---- generic section helpers ---- */
section{padding:96px 0;}
.section-head{max-width:640px; margin-bottom:56px;}
.section-head h2{font-size:clamp(26px,3.4vw,38px); margin:14px 0 16px; line-height:1.2;}
.section-head p{font-size:15.5px;}

.btn{
  display:inline-flex; align-items:center; gap:8px;
  font-family:'IBM Plex Mono',monospace; font-size:12.5px; letter-spacing:0.06em; text-transform:uppercase;
  text-decoration:none; padding:13px 22px; border-radius:6px;
  transition:all .2s ease;
}
.btn-primary{background:var(--blue); color:#FFFFFF;}
.btn-primary:hover{background:var(--blue-dim);}
.btn-ghost{border:1px solid var(--border-strong); color:var(--ink);}
.btn-ghost:hover{border-color:var(--blue); color:var(--blue);}

.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:12px;
  padding:30px;
  box-shadow:0 18px 34px -18px rgba(15,18,22,0.22), 0 1px 2px rgba(15,18,22,0.06);
}
.usa-badge{
  display:flex; align-items:center; gap:7px;
  background:var(--bg-soft); border:1px solid var(--border-strong);
  border-radius:999px; padding:6px 12px 6px 8px;
}
.usa-badge span{
  font-family:'IBM Plex Mono',monospace; font-size:10.5px; letter-spacing:0.06em;
  text-transform:uppercase; color:var(--ink);
  white-space:nowrap;
}
@media (max-width:900px){ .usa-badge{display:none;} }

/* ---- diagonal feature split ---- */
.feature-split{
  display:grid; grid-template-columns:0.95fr 1.05fr; gap:0;
  background:var(--bg-soft); border-top:1px solid var(--border); border-bottom:1px solid var(--border);
}
.feature-image{position:relative; min-height:420px;}
.feature-image img{
  width:100%; height:100%; min-height:420px; object-fit:cover;
  clip-path:polygon(0 0, 100% 0, 100% 88%, 90% 100%, 0 100%);
}
.feature-card{
  position:absolute; left:24px; bottom:24px; max-width:230px;
  background:var(--surface); padding:16px 18px; border-radius:8px;
  box-shadow:0 16px 32px -14px rgba(15,18,22,0.35);
}
.feature-card .status-dot{width:7px; height:7px; border-radius:50%; background:var(--blue); display:inline-block; margin-right:7px;}
.feature-card small{font-family:'IBM Plex Mono',monospace; font-size:10.5px; color:var(--ink-mid); text-transform:uppercase; letter-spacing:0.04em;}
.feature-card strong{display:block; font-family:'Chakra Petch',sans-serif; font-size:16px; margin-top:8px; color:var(--ink);}
.feature-copy{padding:80px 48px; display:flex; flex-direction:column; justify-content:center;}
.check-list{list-style:none; padding:0; margin:20px 0 28px;}
.check-list li{padding:10px 0 10px 24px; border-bottom:1px solid var(--border); font-size:14px; color:var(--ink); position:relative;}
.check-list li::before{content:"✓"; color:var(--blue); font-weight:700; position:absolute; left:0;}
@media (max-width:860px){
  .feature-split{grid-template-columns:1fr;}
  .feature-image{min-height:280px;}
  .feature-copy{padding:48px 28px;}
}
.band-deep{
  background:var(--deep);
  color:#EDEEEC;
}
.band-deep .eyebrow{color:var(--gold);}
.band-deep h2, .band-deep h3{color:#FFFFFF;}
.band-deep p{color:var(--deep-text-mid);}
.band-deep .pad-tag{background:var(--deep-surface); border-color:var(--deep-border); color:#D7DBE0;}

.pad-tag{
  font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:0.08em; text-transform:uppercase;
  color:var(--blue-dim); border:1px solid var(--border-strong); border-radius:5px; padding:6px 11px;
  background:var(--blue-soft);
}

@media (max-width:860px){
  .nav-links{
    position:fixed; inset:76px 0 0 0; background:#FFFFFF;
    flex-direction:column; padding:36px 28px; gap:26px; align-items:flex-start;
    transform:translateY(-8px); opacity:0; pointer-events:none;
    transition:opacity .2s ease, transform .2s ease;
  }
  .nav-links.open{opacity:1; transform:translateY(0); pointer-events:auto;}
  .nav-toggle{
    display:block; background:none; border:1px solid var(--border-strong); border-radius:6px;
    width:38px; height:38px; color:var(--ink); font-family:monospace; font-size:16px; cursor:pointer;
  }
  .footer-grid{grid-template-columns:1fr;}
  .hero-grid{grid-template-columns:1fr !important;}
  .hero-chip-wrap{order:-1; margin-bottom:20px;}
}

/* ---- mobile responsiveness for inline multi-column layouts ---- */
@media (max-width:860px){
  .stack-mobile{
    grid-template-columns:1fr !important;
    gap:28px !important;
  }
}
@media (max-width:600px){
  section{ padding:56px 0 !important; }
  .section-head{ margin-bottom:32px !important; }
  .card{ padding:22px !important; }
  h1{ font-size:clamp(26px,7vw,38px) !important; }
  .wrap{ padding:0 20px; }
  .band-deep .stack-mobile{ grid-template-columns:1fr 1fr !important; gap:24px !important; }
}