* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #fff;
}

.bg-primary {
  background-color: #0056b3 !important;
}

.text-primary {
  color: #0056b3 !important;
}

.btn-primary {
  background-color: #0056b3;
  border-color: #0056b3;
  color: #fff;
}

.btn-primary:hover {
  background-color: #004085;
  border-color: #004085;
  color: #fff;
}

.btn-secondary {
  background-color: #6c757d;
  border-color: #6c757d;
  color: #fff;
}

.btn-secondary:hover {
  background-color: #5a6268;
  border-color: #5a6268;
  color: #fff;
}

.card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 86, 179, 0.15) !important;
}

.navbar-brand {
  font-size: 1.5rem;
  letter-spacing: 0.5px;
}

.navbar-nav .nav-link {
  margin-left: 1rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: #e7f1ff !important;
}

.hero {
  min-height: 400px;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  letter-spacing: 0.5px;
}

.lead {
  font-size: 1.25rem;
  font-weight: 300;
}

.text-secondary {
  color: #666 !important;
}

a.text-secondary:hover {
  color: #0056b3 !important;
  text-decoration: none;
}

footer {
  margin-top: auto;
}

.form-control {
  border: 1px solid #ddd;
  border-radius: 4px;
  padding: 0.75rem;
  font-size: 1rem;
}

.form-control:focus {
  border-color: #0056b3;
  box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
}

.form-check-input {
  border: 1px solid #ddd;
}

.form-check-input:checked {
  background-color: #0056b3;
  border-color: #0056b3;
}

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.bg-light {
  background-color: #f8f9fa !important;
}

.bg-dark {
  background-color: #222 !important;
}

.text-dark {
  color: #333 !important;
}

.text-muted {
  color: #999 !important;
}

.border-0 {
  border: none !important;
}

.hr {
  border-color: #444;
}

@media (max-width: 768px) {
  .navbar-brand {
    font-size: 1.25rem;
  }

  .display-4 {
    font-size: 2rem !important;
  }

  .lead {
    font-size: 1.1rem;
  }

  .navbar-nav .nav-link {
    margin-left: 0;
    padding: 0.5rem 0 !important;
  }

  .hero {
    min-height: 300px;
  }

  .card {
    margin-bottom: 1rem;
  }
}

@media (max-width: 576px) {
  .container {
    padding: 0 15px;
  }

  h1 {
    font-size: 1.75rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
  }
}