:root{
  /* ===== Professional dark single-tone scheme ===== */
  --bg1:#0B1220;          /* deep navy-charcoal (single background) */
  --bg2:#0B1220;

  --card:#101A2E;         /* dark card */
  --stroke: rgba(255,255,255,0.08);

  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.72);
  --muted2: rgba(255,255,255,0.56);

  --accent:#2A88A8;       /* muted professional teal */
  --accent2:#1F6E88;      /* hover teal */

  --shadow: 0 18px 45px rgba(0,0,0,0.45);
  --radius: 18px;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background: var(--bg1);
  min-height:100vh;
}

a{ color:inherit; text-decoration:none; }

.container{
  width:min(1150px, calc(100% - 36px));
  margin:0 auto;
}

/* Background FX OFF (clean corporate) */
.bg, .glow, .noise{ display:none !important; }

/* Header */
.header{
  position:sticky; top:0; z-index:50;
  background: rgba(11,18,32,0.85);
  border-bottom:1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
}

.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}

.brand{ display:flex; gap:12px; align-items:center; }

.brand-logo{
  width:44px; height:44px; border-radius:12px;
  background: rgba(255,255,255,0.06);
  border:1px solid rgba(255,255,255,0.10);
  display:grid; place-items:center;
  box-shadow: 0 10px 25px rgba(0,0,0,0.35);
  font-weight:900;
  letter-spacing:0.4px;
}

.brand-text{ line-height:1.1; }
.brand-name{ font-weight:900; letter-spacing:0.3px; }
.brand-name span{ color: var(--accent); }
.brand-tag{ font-size:12px; color:var(--muted2); margin-top:4px; }

/* Nav */
.nav{ display:flex; align-items:center; gap:18px; }

.nav-link{
  font-size:14px;
  color:var(--muted);
  padding:10px 10px;
  border-radius:999px;
}

.nav-link:hover{
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.nav-link.active{
  color: var(--text);
  font-weight:800;
}

.nav-cta{
  font-size:14px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid rgba(42,136,168,0.35);
  background: rgba(42,136,168,0.14);
  color: rgba(255,255,255,0.92);
  font-weight:800;
}

.nav-cta:hover{
  background: rgba(42,136,168,0.20);
}

/* Mobile Toggle */
.nav-toggle{
  display:none;
  width:44px; height:44px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.06);
}

.nav-toggle span{
  display:block;
  width:18px; height:2px;
  background: rgba(255,255,255,0.80);
  margin:5px auto;
  border-radius:2px;
}

/* Cards */
.card{
  background: var(--card);
  border:1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* Buttons */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  padding:12px 16px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  font-weight:800;
  color: rgba(255,255,255,0.92);
}

.btn:hover{
  background: rgba(255,255,255,0.10);
}

.btn.primary{
  border-color: rgba(42,136,168,0.45);
  background: var(--accent);
  color:#fff;
}

.btn.primary:hover{
  background: var(--accent2);
}

.btn.ghost{
  background: rgba(42,136,168,0.12);
  border-color: rgba(42,136,168,0.25);
  color:#fff;
}

.btn.ghost:hover{
  background: rgba(42,136,168,0.18);
}

.main{ padding: 26px 0 70px; }

/* Footer */
.footer{
  margin-top:60px;
  padding:22px 0;
  border-top:1px solid rgba(255,255,255,0.08);
  background: rgba(11,18,32,0.90);
  backdrop-filter: blur(10px);
}

.footer-inner{
  display:flex;
  gap:18px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}

.footer-title{ font-weight:900; }
.footer-muted{ color: var(--muted2); font-size:13px; margin-top:4px; }
.footer-links{ display:flex; gap:14px; color: var(--muted); }
.footer-links a:hover{ color: rgba(255,255,255,0.92); }
.footer-copy{ color: var(--muted2); font-size:13px; }

/* Mobile */
@media (max-width: 680px){
  .nav{
    display:none;
    position:absolute;
    right:18px;
    top:68px;
    flex-direction:column;
    gap:10px;
    padding:14px;
    border-radius:16px;
    background: rgba(16,26,46,0.98);
    border:1px solid rgba(255,255,255,0.10);
    width: min(260px, calc(100% - 36px));
    box-shadow: 0 18px 40px rgba(0,0,0,0.45);
  }
  .nav.show{ display:flex; }
  .nav-toggle{ display:block; }
}