/* =========================================================
   Sentinel Shield — Design tokens
   Palette: deep navy command-post tones + brass badge accent
   Type: Oswald (display, condensed/authoritative) + Public Sans (body)
   Signature: diagonal "barrier" stripe divider + shield motif
   ========================================================= */
:root{
  --navy-950:#0a1628;
  --navy-800:#12233d;
  --navy-700:#1b3358;
  --steel-600:#3a5a7d;
  --steel-300:#9fb4cc;
  --brass-500:#c89b3c;
  --brass-400:#dcb75c;
  --fog-100:#f3f5f7;
  --fog-050:#fafbfc;
  --ink-900:#1b2430;
  --ink-600:#4b5563;
  --line:#e2e6ea;
  --danger:#b3261e;
  --success:#1e7a3e;

  --font-display:'Oswald', 'Arial Narrow', sans-serif;
  --font-body:'Public Sans','Segoe UI',sans-serif;

  --radius:6px;
  --shadow-card:0 1px 3px rgba(10,22,40,.08), 0 6px 20px rgba(10,22,40,.06);
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--fog-100);
  line-height:1.6;
}
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);
  text-transform:uppercase;
  letter-spacing:.03em;
  margin:0 0 .5em;
  color:var(--navy-950);
  line-height:1.15;
}
.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 24px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  font-size:.78rem;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--brass-500);
  font-weight:600;
  margin-bottom:12px;
}
.eyebrow::before{
  content:"";
  width:22px;height:2px;background:var(--brass-500);
  display:inline-block;
}

/* -------------------- Buttons -------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.06em;
  font-size:.85rem;
  font-weight:600;
  padding:13px 26px;
  border-radius:3px;
  border:2px solid transparent;
  cursor:pointer;
  transition:all .18s ease;
}
.btn-primary{background:var(--brass-500);color:var(--navy-950);border-color:var(--brass-500);}
.btn-primary:hover{background:var(--brass-400);border-color:var(--brass-400);}
.btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-dark{background:var(--navy-950);color:#fff;border-color:var(--navy-950);}
.btn-dark:hover{background:var(--navy-800);}
.btn-sm{padding:8px 16px;font-size:.72rem;}

/* -------------------- Topbar -------------------- */
.topbar{
  background:var(--navy-950);
  color:var(--steel-300);
  font-size:.82rem;
}
.topbar .container{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:8px;padding-bottom:8px;
  flex-wrap:wrap;gap:6px;
}
.topbar a{color:var(--steel-300);}
.topbar .topbar-links{display:flex;gap:22px;flex-wrap:wrap;}
.topbar .topbar-links span{color:var(--brass-400);margin-right:6px;}

/* -------------------- Header / nav -------------------- */
header.site-header{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:50;
}
.nav-wrap{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 0;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-badge{
  width:44px;height:44px;border-radius:50%;
  background:var(--navy-950);
  display:flex;align-items:center;justify-content:center;
  color:var(--brass-400);
  flex-shrink:0;
}
.brand-text .brand-name{
  font-family:var(--font-display);
  font-size:1.15rem;
  text-transform:uppercase;
  letter-spacing:.03em;
  color:var(--navy-950);
  font-weight:600;
}
.brand-text .brand-tagline{
  font-size:.72rem;
  color:var(--ink-600);
  letter-spacing:.05em;
}
nav.main-nav ul{display:flex;gap:6px;align-items:center;}
nav.main-nav a{
  display:block;
  padding:10px 16px;
  font-family:var(--font-display);
  font-size:.85rem;
  text-transform:uppercase;
  letter-spacing:.04em;
  color:var(--navy-800);
  border-radius:3px;
  transition:background .15s;
}
nav.main-nav a:hover, nav.main-nav a.active{
  background:var(--navy-950);
  color:#fff;
}
.nav-cta{margin-left:8px;}
.nav-toggle{display:none;background:none;border:none;font-size:1.6rem;cursor:pointer;color:var(--navy-950);}

@media(max-width:900px){
  .nav-toggle{display:block;}
  nav.main-nav{
    display:none;position:absolute;top:100%;left:0;right:0;
    background:#fff;border-bottom:1px solid var(--line);
  }
  nav.main-nav.open{display:block;}
  nav.main-nav ul{flex-direction:column;padding:10px 24px 18px;align-items:stretch;}
  .nav-cta{margin:8px 0 0;}
}

/* -------------------- Barrier stripe divider (signature) -------------------- */
.barrier-stripe{
  height:10px;
  background-image:repeating-linear-gradient(135deg,var(--brass-500) 0 22px,var(--navy-950) 22px 44px);
}

/* -------------------- Hero -------------------- */
.hero{
  background:linear-gradient(180deg,var(--navy-950) 0%,var(--navy-800) 100%);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.hero .container{
  padding-top:84px;padding-bottom:84px;
  display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;
}
.hero h1{color:#fff;font-size:2.7rem;margin-bottom:18px;}
.hero h1 span{color:var(--brass-400);}
.hero p.lead{color:var(--steel-300);font-size:1.05rem;max-width:520px;margin-bottom:28px;}
.hero .hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:40px;
}
.hero-stats .stat b{
  font-family:var(--font-display);
  font-size:1.8rem;color:var(--brass-400);display:block;
}
.hero-stats .stat span{font-size:.78rem;letter-spacing:.05em;text-transform:uppercase;color:var(--steel-300);}
.hero-visual{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  border-radius:10px;
  padding:10px;
}
.hero-visual img{border-radius:6px;}

@media(max-width:900px){
  .hero .container{grid-template-columns:1fr;padding-top:56px;padding-bottom:56px;}
  .hero h1{font-size:2.1rem;}
}

/* -------------------- Section basics -------------------- */
.section{padding:76px 0;}
.section-tight{padding:48px 0;}
.section-head{max-width:640px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.bg-navy{background:var(--navy-950);color:#fff;}
.bg-navy h2, .bg-navy h3{color:#fff;}
.bg-fog{background:var(--fog-050);}

/* -------------------- Cards / grids -------------------- */
.grid{display:grid;gap:26px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
@media(max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);} .grid-2{grid-template-columns:1fr;}}
@media(max-width:600px){.grid-3,.grid-4,.grid-2{grid-template-columns:1fr;}}

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .18s ease, box-shadow .18s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(10,22,40,.12);}

.service-card{padding:0;}
.service-card .thumb{height:170px;overflow:hidden;background:var(--navy-800);}
.service-card .thumb img{width:100%;height:100%;object-fit:cover;}
.service-card .body{padding:22px;}
.service-icon{
  width:46px;height:46px;border-radius:8px;
  background:var(--navy-950);color:var(--brass-400);
  display:flex;align-items:center;justify-content:center;
  margin-bottom:14px;font-size:1.3rem;
}
.service-card h3{font-size:1.05rem;margin-bottom:8px;}
.service-card p{color:var(--ink-600);font-size:.92rem;margin-bottom:14px;}
.service-card .more{
  font-family:var(--font-display);font-size:.78rem;letter-spacing:.05em;
  text-transform:uppercase;color:var(--navy-950);border-bottom:2px solid var(--brass-500);
  padding-bottom:2px;
}

.value-card{padding:26px;text-align:left;}
.value-card .num{
  font-family:var(--font-display);color:var(--brass-500);font-size:.8rem;letter-spacing:.1em;
  margin-bottom:10px;
}

/* Clients */
.client-card{padding:26px;}
.client-card .quote{color:var(--ink-600);font-style:italic;margin-bottom:18px;}
.client-card .who{display:flex;align-items:center;gap:12px;}
.client-avatar{
  width:44px;height:44px;border-radius:50%;
  background:var(--navy-950);color:var(--brass-400);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);
}
.client-name{font-weight:600;color:var(--navy-950);}
.client-role{font-size:.8rem;color:var(--ink-600);}
.client-logo-strip{
  display:flex;flex-wrap:wrap;gap:34px;align-items:center;justify-content:center;
  padding:30px 0;
}
.client-logo-strip img{height:42px;width:auto;filter:grayscale(1);opacity:.75;}

/* Gallery */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;}
@media(max-width:900px){.gallery-grid{grid-template-columns:repeat(2,1fr);}}
.gallery-item{
  position:relative;border-radius:6px;overflow:hidden;aspect-ratio:4/3;background:var(--navy-800);
}
.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .25s ease;}
.gallery-item:hover img{transform:scale(1.06);}
.gallery-cap{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(0deg,rgba(10,22,40,.85),transparent);
  color:#fff;padding:24px 12px 10px;font-size:.8rem;
  font-family:var(--font-display);letter-spacing:.03em;text-transform:uppercase;
}

/* Forms */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
@media(max-width:700px){.form-grid{grid-template-columns:1fr;}}
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:16px;}
.field label{
  font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-600);font-weight:600;
}
.field input, .field textarea, .field select{
  border:1px solid var(--line);border-radius:4px;padding:12px 14px;font-family:var(--font-body);
  font-size:.95rem;background:#fff;color:var(--ink-900);
}
.field input:focus, .field textarea:focus, .field select:focus{
  outline:2px solid var(--brass-500);outline-offset:1px;border-color:var(--brass-500);
}
.alert{padding:14px 18px;border-radius:4px;margin-bottom:20px;font-size:.92rem;}
.alert-success{background:#e8f6ec;color:var(--success);border:1px solid #bfe6c9;}
.alert-error{background:#fbebea;color:var(--danger);border:1px solid #f2c6c3;}

.contact-info-card{
  background:var(--navy-950);color:#fff;border-radius:8px;padding:32px;
}
.contact-info-card .row{display:flex;gap:14px;margin-bottom:22px;align-items:flex-start;}
.contact-info-card .row .ic{color:var(--brass-400);font-size:1.1rem;margin-top:2px;}
.contact-info-card h4{color:#fff;font-size:.95rem;margin-bottom:4px;}
.contact-info-card p{color:var(--steel-300);font-size:.9rem;margin:0;}

/* CTA band */
.cta-band{
  background:linear-gradient(120deg,var(--navy-950),var(--navy-700));
  color:#fff;padding:56px 0;
}
.cta-band .container{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap;}
.cta-band h2{color:#fff;margin-bottom:6px;font-size:1.6rem;}
.cta-band p{color:var(--steel-300);margin:0;}

/* Footer */
footer.site-footer{background:var(--navy-950);color:var(--steel-300);}
footer.site-footer .container{
  padding:60px 24px 30px;
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;
}
@media(max-width:900px){footer.site-footer .container{grid-template-columns:1fr 1fr;}}
@media(max-width:600px){footer.site-footer .container{grid-template-columns:1fr;}}
footer.site-footer h4{color:#fff;font-size:.9rem;margin-bottom:16px;}
footer.site-footer li{margin-bottom:10px;font-size:.88rem;}
footer.site-footer a:hover{color:var(--brass-400);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  text-align:center;padding:18px 0;font-size:.8rem;color:var(--steel-300);
}

/* Page header (interior pages) */
.page-header{
  background:var(--navy-950);color:#fff;padding:60px 0 44px;text-align:center;
}
.page-header h1{color:#fff;margin-bottom:8px;}
.breadcrumb{font-size:.8rem;color:var(--steel-300);}
.breadcrumb a{color:var(--brass-400);}

/* Utility */
.text-center{text-align:center;}
.mt-0{margin-top:0;}
.badge-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;}
.badge-pill{
  background:var(--navy-950);color:var(--brass-400);font-size:.72rem;
  padding:6px 12px;border-radius:20px;font-family:var(--font-display);letter-spacing:.05em;text-transform:uppercase;
}