.video-background {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    overflow: hidden;
  }
  
  .video-background video {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }
  
  .overlay {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 1;
  }
  
  .container-form {
    position: relative;
    z-index: 2;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
  }
  
  .form-box {
    background: #0f172a;
    padding: 30px 40px;
    border-radius: 16px;
    color: white;
    width: 60%;
    box-shadow: 0 0 20px rgba(0, 123, 255, 0.4);
  }
  
  .form-box h2 {
    margin-bottom: 20px;
    color: #3b82f6;
    text-align: center;
  }
  
  .form-box label {
    display: block;
    margin-top: 15px;
    font-weight: 500;
  }
  
  .form-box input,
  .form-box select {
    width: 100%;
    padding: 10px;
    margin-top: 5px;
    border: none;
    border-radius: 8px;
    background: #1e293b;
    color: white;
  }
  
  .form-box button {
    margin-top: 20px;
    width: 100%;
    padding: 12px;
    background: #3b82f6;
    color: white;
    font-weight: bold;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.3s;
  }
  
  .form-box button:hover {
    background: #2563eb;
  }
  
  .mensagem-sucesso {
    background-color: #0f172a;
    border: 1px solid #00f7ff;
    color: #00f7ff;
    padding: 15px;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 0 12px #00f7ff88;
    animation: fadeIn 0.5s ease;
  }

  .mensagem-envio {
    background-color: #0f172a;
    border: 1px solid #00f7ff;
    color: #00f7ff;
    padding: 15px;
    margin-bottom: 20px;
    font-weight: 600;
    text-align: center;
    border-radius: 8px;
    box-shadow: 0 0 12px #00f7ff88;
    animation: fadeIn 0.5s ease;
  }
  
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to   { opacity: 1; transform: translateY(0); }
  }