:root{
  --navy:#0b1a2a;
  --navy-2:#102238;
  --gold:#d4af37;
  --ink:#1b2a41;
  --text:#0e1726;
  --muted:#6b7280;
  --bg:#ffffff;
  --alt:#f6f7fb;
  --ring: rgba(212,175,55,.35);
  --radius:16px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,"Helvetica Neue",Arial,sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  scroll-behavior:smooth;
}

/* Utilities */
.container{max-width:1100px;margin:auto;padding:0 1.25rem}
.center{text-align:center}
.section{padding:4.5rem 0}
.section.alt{background:var(--alt)}
.section-lead{color:var(--muted);max-width:700px;margin:.5rem auto 2rem}

.btn{
  display:inline-block;
  padding:.85rem 1.15rem;
  border-radius:999px;
  border:2px solid transparent;
  font-weight:600;
  text-decoration:none;
  transition:.2s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-gold{background:var(--gold);color:#111}
.btn-gold:hover{filter:brightness(1.05)}
.btn-outline{border-color:var(--gold);color:var(--gold);background:transparent}
.btn-outline:hover{background:var(--gold);color:#111}

.skip-link{
  position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden;
}
.skip-link:focus{left:1rem;top:1rem;width:auto;height:auto;z-index:10000;background:#fff;padding:.5rem .75rem;border-radius:8px;outline:2px solid var(--gold)}

/* Topbar */
.topbar{
  background:var(--navy);
  color:#cbd5e1;
  font-size:.9rem;
}
.topbar .container{display:flex;gap:1rem;justify-content:flex-end;padding:.4rem 1.25rem}
.topbar a{color:#e5e7eb;text-decoration:none}
.topbar a:hover{text-decoration:underline}

/* Header */
.header{position:sticky;top:0;z-index:999;background:#fff;border-bottom:1px solid #e5e7eb}
.header .container{display:flex;align-items:center;justify-content:space-between;padding:.75rem 1.25rem}
.brand img{display:block}

.nav-toggle{
  display:none;
  background:transparent;
  border:0;
  width:42px;height:38px;position:relative;cursor:pointer;
}
.nav-toggle span{
  position:absolute;left:8px;right:8px;height:2px;background:#111;border-radius:2px;transition:.25s;
}
.nav-toggle span:nth-child(1){top:11px}
.nav-toggle span:nth-child(2){top:18px}
.nav-toggle span:nth-child(3){top:25px}
.nav{display:block}
.nav ul{display:flex;gap:.75rem;align-items:center;list-style:none;margin:0;padding:0}
.nav a{color:#111;text-decoration:none;padding:.5rem .75rem;border-radius:10px}
.nav a:hover{background:#f1f5f9}

/* Hero */
.hero{
  color:#fff;
  background:
    linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)),
    var(--bg) center/cover no-repeat;
  background-image:
    linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)),
    var(--bg),
    var(--bg);
  background-image:
    linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)),
    var(--bg),
    var(--bg);
  /* set via inline style: --bg:url('images/hero-security.jpg') */
  background-image:
    linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)),
    var(--bg),
    var(--bg);
  background: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg);
  background-image: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg), var(--bg);
  background: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg);
  background-blend-mode: multiply;
  min-height:68vh;
  display:flex;align-items:center;
}
.hero{background-image: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg); background: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg);}
.hero{background-image: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg);}
.hero{--bg: url('images/hero-security.jpg'); background-image: linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.35)), var(--bg);}

.hero-inner{padding:4.5rem 0}
.hero h1{font-size:clamp(1.9rem,4.5vw,3.2rem);margin:0 0 .5rem}
.hero p{font-size:1.1rem;max-width:680px;margin:0 0 1rem}
.hero .actions{display:flex;gap:.75rem;flex-wrap:wrap;margin-top:.5rem}
.trust{display:flex;gap:1rem;list-style:none;padding:0;margin:1rem 0 0}
.trust li{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:.4rem .6rem;border-radius:999px}

/* Cards */
.grid{display:grid;gap:1.25rem}
.cards{grid-template-columns:repeat(3,1fr)}
.card{
  background:#fff;border:1px solid #e5e7eb;border-radius:var(--radius);
  padding:1.1rem;box-shadow:0 1px 2px rgba(0,0,0,.04);
  transition:box-shadow .2s, transform .2s;
}
.card:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(16,34,56,.09)}
.card h3{margin:.25rem 0 .5rem}
.card .icon{width:42px;height:42px}

.service .more{display:none;margin-top:.5rem;color:#334155}
.service.expanded .more{display:block}
.service.expanded{outline:2px solid var(--ring)}

/* Sectors */
.sectors{grid-template-columns:repeat(4,1fr)}
.sector img{width:100%;height:180px;object-fit:cover;border-radius:14px}
.sector h3{margin:.6rem 0 0}

/* About / counters */
.about{grid-template-columns:1.2fr .8fr;align-items:center}
.ticks{list-style:none;margin:1rem 0 0;padding:0}
.ticks li{padding-left:1.6rem;position:relative;margin:.3rem 0}
.ticks li::before{
  content:"✔";position:absolute;left:0;top:.1rem;color:var(--gold);font-weight:700
}
.counters{display:grid;gap:.75rem;grid-template-columns:repeat(3,1fr)}
.counter{
  background:linear-gradient(180deg,#0b1a2a,#102238);color:#fff;
  border-radius:14px;padding:1.2rem;text-align:center;font-weight:700
}
.counter span{font-size:2rem;display:block}

/* Slider */
.slider{position:relative;overflow:hidden}
.slide{opacity:0;transform:translateX(10%);transition:.4s;padding:.5rem}
.slide.current{opacity:1;transform:none}
.slider-prev,.slider-next{
  position:absolute;top:50%;transform:translateY(-50%);
  background:#fff;border:1px solid #e5e7eb;border-radius:50%;
  width:38px;height:38px;cursor:pointer
}
.slider-prev{left:6px}.slider-next{right:6px}

/* Offices */
.offices{grid-template-columns:repeat(2,1fr)}
.office img{width:100%;height:220px;object-fit:cover;border-radius:14px}

/* FAQ */
.faq{background:#fff;border:1px solid #e5e7eb;border-radius:14px;padding:1rem;margin:.6rem 0}
.faq summary{cursor:pointer;font-weight:600}
.faq[open]{outline:2px solid var(--ring)}

/* Contact */
.contact-grid{grid-template-columns:1.2fr .8fr;align-items:start;gap:2rem}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.form-grid .full{grid-column:1/-1}
label span{display:block;font-weight:600;margin-bottom:.35rem}
input,textarea{
  width:100%;padding:.7rem .85rem;border:1px solid #d1d5db;border-radius:12px;
  font:inherit;background:#fff;transition:border-color .2s, box-shadow .2s
}
input:focus,textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 4px var(--ring)}
.form-note{color:var(--muted);margin-left:.75rem}
.form-actions{display:flex;align-items:center;gap:.75rem;margin-top:.75rem}
.form-status{margin-top:.75rem}

/* Footer */
.footer{background:var(--navy-2);color:#dbe1ea;padding:2.5rem 0;position:relative}
.footer a{color:#e8edf6;text-decoration:none}
.footer a:hover{text-decoration:underline}
.footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:1rem;align-items:start}
.to-top{
  position:absolute;right:1rem;bottom:1rem;background:var(--gold);border:0;border-radius:999px;
  width:46px;height:46px;cursor:pointer;font-size:20px
}

/* Responsive */
@media (max-width: 920px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .sectors{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr}
  .contact-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width: 760px){
  .nav-toggle{display:block}
  .nav{position:absolute;inset:64px 0 auto 0;background:#fff;border-bottom:1px solid #e5e7eb;display:none}
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:flex-start;padding:1rem}
  .cards{grid-template-columns:1fr}
}

/* Focus states for accessibility */
a:focus, button:focus{outline:2px solid var(--gold);outline-offset:2px}