* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: Arial, sans-serif;
        }
        body {
            background-color: #f4f7f6;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            padding: 20px;
        }
        .container {
            background-color: #eee;
            padding: 30px;
            border-radius: 8px;
            border: 2px solid goldenrod;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            width: 100%;
            max-width: 500px; /* Limita a largura no desktop */
        }
        h2 {
            margin-bottom: 20px;
            color: #333;
            text-align: center;
        }
        .form-group {
            margin-bottom: 15px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            color: #666;
            font-size: 14px;
        }
        input[type="text"],
        input[type="email"],
        textarea {
            width: 100%;
            padding: 12px;
            border: 1px solid goldenrod;
            border-radius: 4px;
            font-size: 16px; /* Evita zoom automático no iOS */
            transition: border-color 0.3s;
          
        }
        input:focus, textarea:focus {
            border-color: #333;
            outline: none;
        }
        textarea {
            resize: vertical;
            min-height: 120px;
        }
        textarea::placeholder {
              color: #bbb; /* Substitua pela cor desejada */
  opacity: 1; /* Garante que a cor não fique transparente no Firefox */
        }

     input::placeholder {
  color: #bbb; /* Substitua pela cor desejada */
  opacity: 1; /* Garante que a cor não fique transparente no Firefox */
}


        .captcha-container {
            margin-bottom: 15px;
            display: flex;
            justify-content: center;
        }
        button {
            width: 100%;
            padding: 12px;
            background-color: #444;
            color: white;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #666;
        }
        /* Ajuste de responsividade para telas muito pequenas (reCAPTCHA) */
        @media (max-width: 360px) {
            .g-recaptcha {
                transform: scale(0.85);
                transform-origin: 0 0;
            }
        }
  /* ===========================
   BOTÃO WHATSAPP
=========================== */
.whatsapp-float{
    position: fixed;
    width: 65px;
    height: 65px;
    bottom: 25px;
    right: 25px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    font-size: 38px;
    line-height: 65px;
    box-shadow: 0 4px 10px rgba(0,0,0,.35);
    z-index: 9999;
    transition: all .3s ease;
    text-decoration: none;
}

.whatsapp-float:hover{
    background: #1EBE5D;
    transform: scale(1.12);
    color: #fff;
}

@media(max-width:768px){
    .whatsapp-float{
        width:55px;
        height:55px;
        line-height:55px;
        font-size:32px;
        right:20px;
        bottom:20px;
    }
}