.btn-submit {
  background: var(--blue);
  color: var(--white);
  padding: 0.75rem 2rem;
  border: none;
  border-radius: 6px;
  font-weight: 500;
  font-size: 1.2rem;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
}

.btn-submit:hover {
  background: #0246a1;
}