/* === BOTÕES === */
.btn {
  display: inline-block;
  padding: 1.2rem 3rem;
  border-radius: 5rem;
  font-weight: 600;
  font-size: 1.6rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
  transition: var(--transition);
  z-index: -1;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  border: none;
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-outline:hover {
  background: var(--primary-color);
  color: var(--white);
}