.btn {
  width: 100%;
  height: 56px;
  background: linear-gradient(135deg, var(--grad-edge), var(--grad-center));
  border: none;
  border-radius: 14px;
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-sans);
  letter-spacing: 0.3px;
  transition: filter 0.25s, box-shadow 0.25s;
}

.btn:hover {
  filter: brightness(1.15);
  box-shadow: 0 0 24px rgba(91, 61, 184, 0.5);
}
