:root{
  --glass-bg: rgba(255,255,255,.08);
  --glass-brd: rgba(255,255,255,.2);
}
body{font-family: system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#0b0e13;color:#e9eef5}
a{ text-decoration:none }
.glass{background:var(--glass-bg);backdrop-filter: blur(8px);border:1px solid var(--glass-brd)}
.hero{min-height:72vh;position:relative;display:flex;align-items:center;justify-content:center;text-align:center}
.hero-bg-layer{
  position:absolute;inset:0;
  background: radial-gradient(1200px 600px at 90% 10%, rgba(0,162,255,.35), transparent 60%),
              radial-gradient(900px 500px at 10% 90%, rgba(0,122,195,.35), transparent 60%),
              url('https://images.unsplash.com/photo-1503376780353-7e6692767b70?q=80&w=2000&auto=format&fit=crop') center/cover no-repeat;
  filter:saturate(1.1) contrast(1.05) brightness(.9);
  z-index:1
}
.hero .z-2{z-index:2;}
.shadow-3d{box-shadow:0 10px 20px rgba(0,0,0,.35), inset 0 1px 0 rgba(255,255,255,.04)}
.hover-3d{transition: transform .25s ease, box-shadow .25s ease}
.hover-3d:hover{transform: translateY(-6px) scale(1.01); box-shadow:0 14px 30px rgba(0,0,0,.45)}
.text-gradient-3d{
  background: linear-gradient(180deg,#fff,#cde7ff 35%,#8fd0ff 70%,#69b8ff);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  filter: drop-shadow(0 12px 18px rgba(0,0,0,.35));
}
.small-90{font-size: .9rem}
.whatsapp-float{
  position:fixed; right:18px; bottom:18px; width:60px; height:60px;
  display:grid; place-items:center; color:#fff; background:#25D366; border-radius:50%;
  box-shadow: 0 8px 20px rgba(0,0,0,.4); z-index:1050;
}
.whatsapp-float:hover{ transform: translateY(-2px);}
.card{background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)); border:1px solid rgba(255,255,255,.12); color:#e9eef5}
.card .card-title{color:#fff}
.bg-light{background:rgba(255,255,255,.06)!important}
.text-white{color:#eef5ff!important}