/* 
 * Global styles
 */
body {
  font-family: 'Poppins', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
  font-weight: 400;
  font-size: 1rem;
  background-color: #f5f6f5;
  color: #1a1a1a;
  line-height: 1.6;
}

/* 
 * Navbar
 */
.navbar {
  background-color: #ffffff;
  border-bottom: 1px solid #e9ecef;
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.75rem;
  color: #1a1a1a;
}

.navbar-brand .me-2 {
  font-size: 1.2em;
}

.nav-link {
  color: #4a4a4a;
  font-weight: 500;
  font-size: 1rem;
  transition: color 0.2s ease;
}

.nav-link:hover,
.nav-link:focus {
  color: #0055cc;
}

/* 
 * Container
 */
.container {
  max-width: 1200px;
}

/* 
 * Cards
 */
.card {
  border: none;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  background-color: #ffffff;
}

.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 1rem;
}

/* 
 * Buttons
 */
.btn-primary {
  background-color: #0055cc;
  border-color: #0055cc;
  border-radius: 8px;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.btn-primary:hover,
.btn-primary:focus {
  background-color: #003d99;
  border-color: #003d99;
}

.btn-outline-secondary {
  border-color: #d1d5db;
  color: #4a4a4a;
  border-radius: 8px;
  padding: 0.5rem 1.5rem;
  font-weight: 500;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background-color: #f1f3f5;
  border-color: #b1b5bb;
}

/* 
 * Form elements
 */
.form-control,
.form-select {
  border-radius: 8px;
  border: 1px solid #d1d5db;
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 400;
  transition: all 0.2s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: #0055cc;
  box-shadow: 0 0 0 0.2rem rgba(0, 85, 204, 0.25);
  outline: none;
}

.form-label {
  font-weight: 500;
  font-size: 1.1rem;
  color: #1a1a1a;
  margin-bottom: 0.5rem;
}

.form-text {
  color: #6b7280;
  font-size: 0.9rem;
  font-weight: 400;
}

/* 
 * Headings
 */
.display-5 {
  font-size: 2.5rem;
  font-weight: 600;
  color: #1a1a1a;
  line-height: 1.2;
}

.lead {
  color: #4a4a4a;
  font-size: 1.25rem;
  font-weight: 400;
}

/* 
 * Footer
 */
footer {
  border-top: 1px solid #e9ecef;
}

footer p {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 400;
}

/* 
 * Responsive adjustments
 */
@media (max-width: 768px) {
  .display-5 {
    font-size: 2rem;
  }
  .container {
    padding: 0 1rem;
  }
  .card {
    margin-bottom: 1.5rem;
  }
  .navbar-brand {
    font-size: 1.5rem;
  }
}