:root{
  --navy:#0b2b4a;
  --silver:#c9d6dd;
  --accent:#1b5f9e;
  --bg:#f4f6f8;
  --card:#ffffff;
  --muted:#667085;
  --text:#071124;
  --container:1100px;
  --radius:12px;
  --ease:cubic-bezier(.2,.9,.3,1);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#07101a;
    --card:#08121a;
    --text:#e7eef6;
    --muted:#9fb0bf;
  }
}
body{margin:0;background:var(--bg);color:var(--text);transition:background .35s var(--ease), color .35s var(--ease);line-height:1.5;scroll-behavior:smooth;}
.container{max-width:var(--container);margin:0 auto;padding:28px;}
.site-header{position:sticky;top:0;z-index:50;background:linear-gradient(180deg, rgba(255,255,255,0.6), rgba(255,255,255,0.35));backdrop-filter:blur(6px);border-bottom:1px solid rgba(11,43,74,0.06)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px}
.logo-img{height:64px;object-fit:contain}
.nav{display:flex;gap:16px;align-items:center}
.nav a{color:var(--text);text-decoration:none;padding:8px 6px;border-radius:8px;transition:all .22s var(--ease)}
.nav a:hover{background:rgba(27,95,158,0.08);color:var(--accent);transform:translateY(-2px)}

/* hero with parallax bg */
.hero{position:relative;overflow:hidden;padding:64px 0 40px}
.hero-bg{position:absolute;left:0;top:0;right:0;height:420px;background:linear-gradient(120deg,var(--navy),rgba(27,95,158,0.6));transform:translateY(0);transition:transform .2s linear;mix-blend-mode:multiply;opacity:.86;z-index:0}
.hero-inner{position:relative;display:flex;gap:28px;align-items:center;z-index:3}
.hero-text{flex:1;max-width:640px;color:#fff}
.hero-text h1{font-size:32px;margin:0 0 12px;letter-spacing:-0.5px}
.hero-text p{color:rgba(255,255,255,0.9);margin:0 0 18px}
.hero-media img{max-width:320px;border-radius:8px;box-shadow:0 12px 40px rgba(6,17,33,0.4)}

/* grid & cards */
.grid{display:grid;gap:18px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--card);padding:18px;border-radius:var(--radius);box-shadow:0 12px 30px rgba(8,18,28,0.06);text-align:left;transition:transform .35s var(--ease), box-shadow .35s var(--ease);overflow:hidden}
.card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(8,18,28,0.12)}
.card .card-media{height:120px;border-radius:8px;background:linear-gradient(135deg,var(--accent),var(--navy));margin-bottom:12px;transition:filter .25s ease}
.card:hover .card-media{filter:drop-shadow(0 8px 24px rgba(27,95,158,0.24))}

/* glow on hover */
.service-card{position:relative}
.service-card::after{content:'';position:absolute;inset:0;border-radius:var(--radius);box-shadow:0 0 0 rgba(27,95,158,0);transition:box-shadow .28s var(--ease)}
.service-card:hover::after{box-shadow:0 12px 40px rgba(27,95,158,0.12)}

/* stats & cta */
.stats{display:flex;gap:14px;align-items:center;justify-content:flex-end}
.stat{background:linear-gradient(180deg,var(--card),rgba(255,255,255,0.98));padding:14px;border-radius:10px;text-align:center;min-width:90px;box-shadow:0 8px 20px rgba(10,20,30,0.04)}
.cta-strip{background:linear-gradient(90deg,var(--navy),var(--accent));color:#fff;padding:22px;border-radius:12px;margin:28px 0;display:flex;justify-content:space-between;align-items:center;box-shadow:0 12px 36px rgba(6,17,33,0.18)}

/* footer */
.site-footer{margin-top:36px;padding:22px 0;background:transparent;border-top:1px solid rgba(10,20,30,0.03)}

/* reveal animations */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s var(--ease), transform .7s var(--ease)}
.reveal.visible{opacity:1;transform:none}

/* forms */
input,textarea{width:100%;padding:10px;border-radius:8px;border:1px solid #e3e8ee;background:var(--card);color:var(--text);}
.btn{background:var(--accent);color:#fff;padding:10px 14px;border-radius:10px;text-decoration:none;display:inline-block;transition:transform .18s var(--ease)}
.btn:hover{transform:translateY(-4px)}

/* gallery */
.gallery-grid{grid-template-columns:repeat(3,1fr);gap:12px}
.gallery-grid img{width:100%;height:200px;object-fit:cover;border-radius:8px;transition:transform .3s var(--ease)}
.gallery-grid img:hover{transform:scale(1.03)}

/* floating theme toggle */
.theme-toggle{position:fixed;right:18px;bottom:18px;background:var(--card);border:1px solid rgba(0,0,0,0.06);padding:10px;border-radius:999px;cursor:pointer;box-shadow:0 8px 30px rgba(6,17,33,0.12);z-index:999}

/* responsive */
@media(max-width:900px){.cols-3{grid-template-columns:repeat(2,1fr)}.hero-media img{max-width:220px}}
@media(max-width:600px){.nav{display:none}.menu-btn{display:block}.cols-3{grid-template-columns:1fr}.gallery-grid{grid-template-columns:1fr}.logo-img{height:48px}}