.chamada-sistema {
  padding-top: 3rem;
  padding-bottom: 3rem;
}

.chamada-sistema h2 {
  color: #08384f;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
}

.chamada-sistema p {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  color: #374151;
  line-height: 1.8;
  font-size: 1rem;
}

.botao-whatsapp-sistema {
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 600;
  box-shadow: 0 10px 20px rgba(25, 135, 84, 0.18);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.botao-whatsapp-sistema:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 28px rgba(25, 135, 84, 0.24);
}