body {
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.step { display: none; }
.step.active { display: block; animation: fadeIn 0.4s; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.text-success { color: #4b7348 !important; }

.form-control.is-invalid, .form-select.is-invalid {
  border-color: #dc3545;
}

.progress-bar { transition: width 0.4s ease; }