.form-container {
  width: 100%;
  max-width: 480px;
  padding: 2rem;
}

h2 {
  text-align: center;
  margin-bottom: 2rem;
  font-weight: 500;
}

.input-group {
  position: relative;
  margin-bottom: 2rem;
}

.input-group input,
.input-group textarea {
  width: 100%;
  border: none;
  border-bottom: 1px solid #ccc;
  background: transparent;
  padding: 1rem 0 0.5rem 0;
  font-size: 1rem;
  color: #000;
  transition: border-color 0.3s;
  resize: none;
}

.input-group input:focus,
.input-group textarea:focus {
  outline: none;
  border-bottom: 1px solid #000;
}

.input-group label {
  position: absolute;
  top: 1rem;
  left: 0;
  color: #999;
  font-size: 1rem;
  pointer-events: none;
  transition: all 0.2s ease-in-out;
}

.input-group input:focus + label,
.input-group input:not(:placeholder-shown) + label,
.input-group textarea:focus + label,
.input-group textarea:not(:placeholder-shown) + label {
  top: -0.6rem;
  font-size: 0.8rem;
  color: #000;
}

.btn {
  width: 100%;
  padding: 0.8rem;
  border: none;
  background-color: #000;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.3s;
  margin-bottom: 1rem;
}

.btn:hover {
  background-color: #222;
}

.whatsapp-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #25D366;
  color: white;
  padding: 0.8rem;
  font-size: 1rem;
  border: none;
  border-radius: 4px;
  text-decoration: none;
  transition: background-color 0.3s;
}

.whatsapp-btn i {
  margin-right: 8px;
  font-size: 1.2rem;
}

.whatsapp-btn:hover {
  background-color: #1ebe5b;
}

.modal-sucesso {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: rgba(0, 128, 0, 0.9);
  color: white;
  padding: 30px 50px;
  border-radius: 10px;
  font-size: 18px;
  z-index: 9999;
  text-align: center;
}

.modal-sucesso.show {
  display: block;
  animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translate(-50%, -60%);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%);
  }
}