body {
  font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  /*background: linear-gradient(to bottom right, #0f2027, #203a43, #2c5364);*/
  color: #00667D;
  
  min-height: 100vh;
}
.navbar {
  background-color: rgba(0,0,0,0.8) !important;
}
.navbar-brand {
  font-weight: 700;
  letter-spacing: 0.6px;
  color: #00d4ff !important;
}
.nav-link {
  color: #f8f9fa !important;
}
.nav-link:hover {
  color: #00d4ff !important;
}
.card {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(6px);
  color: #f8f9fa;
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  border: none;
}
footer {
  position: relative;
  bottom: 0;
  width: 100%;
  background: rgba(0,0,0,0.85);
}
.btn-primary {
  background-color: #00d4ff;
  border: none;
}
.btn-primary:hover {
  background-color: #00a0cc;
}
h1, h2, h3, h4 {
  color: #00d4ff;
}
a {
  color: #00d4ff;
}
a:hover {
  color: #00a0cc;
}
.bg-light {
  background: rgba(255, 255, 255, 0.1) !important;
  color: #f8f9fa !important;
}