body {
  font-family: Arial, sans-serif;
  background: #000;
  margin: 0;
  padding: 20px;
  color: #fff;
}

/* quadrado envolvendo todo o form */
.form-wrapper {
  background: #111;
  border: 2px solid #00ff7f;
  padding: 25px;
  max-width: 800px;
  margin: 20px auto;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(0,255,127,0.4);
}

/* TÍTULO PRINCIPAL */
h2 {
  color: #00ff7f;
  text-align: center;
  margin-bottom: 20px;
  border-bottom: 2px solid #00ff7f;
  display: inline-block;
}

/* SEÇÕES INTERNAS */
.form-section {
  background: #000;
  padding: 15px;
  border: 1px solid #00ff7f;
  border-radius: 8px;
  margin-bottom: 25px;
}

.form-section h3 {
  margin-top: 0;
  font-size: 18px;
}

/* CAMPOS  */
.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 15px;
}

label {
  margin-bottom: 5px;
  font-weight: bold;
}

input, select {
  background: #000;
  border: 1px solid #00ff7f;
  padding: 10px;
  border-radius: 5px;
  color: #fff;
}

input:focus, select:focus {
  outline: none;
  box-shadow: 0 0 5px #00ff7f;
}

/* BOTÃO */
button {
  width: 100%;
  padding: 12px;
  background: #00ff7f;
  border: none;
  border-radius: 5px;
  font-size: 18px;
  cursor: pointer;
  font-weight: bold;
}

button:hover {
  background: #00ff9d;
  box-shadow: 0 0 20px #00ff7f;
}

footer {
    text-align: center;
    color: #00ff7f;
    padding: 20px 0;
    font-size: 16px;
    margin-top: 40px;
}

footer h3 {
    color: #00ff7f;
    text-align: center;
}