.btn-submit {
  width: 100%;
  padding: var(--space-2);
  background: var(--brand);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: var(--fs-body);
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.3px;
  transition: background 0.15s, transform 0.1s;
  margin-top: var(--space-1);
}

.btn-submit:hover {
  background: var(--brand-hover);
}

.btn-submit:active {
  transform: scale(0.99);
}

.back-link {
  display: block;
  text-align: center;
  font-size: var(--fs-body);
  color: var(--brand);
  text-decoration: none;
  margin-top: var(--space-2);
  font-weight: 500;
}

.back-link:hover {
  text-decoration: underline;
}