body {
    background: url("../imagens/LogoPlataformaOficial.jpeg") repeat top center scroll;
    background-size: contain; /* Mantém proporção, pode mostrar várias repetições */
    animation: pulseZoom 30s ease-in-out infinite alternate;
    color: white;
    margin: 0;
    height: 100vh;
    overflow: hidden;
}

/* Ajuste para mobile */
@media (max-width: 768px) {
    body {
        background-size: contain;
        background-repeat: repeat;
        background-position: top center;
    }
}

/* Overlay para suavizar */
html::before {
    content: "";
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 150, 255, 0.35);
    z-index: 0;
}

/* Garantir que conteúdo fique por cima */
body * {
    position: relative;
    z-index: 1;
}

@keyframes pulseZoom {
    0%   { background-size: 100%; }
    100% { background-size: 115%; }
}

/* CSS ORIGINAL */

.opçao-cor {
    position: absolute;
    top: 10px;
    right: 10px;
}

#mudarCor {
    position: absolute;
    top: 10px;
    right: 70px;
}

#saudaçao {
    text-align: center;
    font-size: 75px;
    margin-botton 0px;
    color: black;
}
#informaçao {
    text-align: center;
    font-size: 50px;
    margin-top: 0px;
    color: black;
}

#formulario {
    text-align: center;
    display: block;
    font-size: 30px;
    width: 100%;
    padding: 20px;
    margin-bottom: 10px;
    border-radius: 5px;
    border: 2px solid black;
    color: black;
}

button {
    background-color: black;
    color: white;
    padding: 10px 30px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button:hover {
    background: #45a049;
    color: black;
}

#mensagensBoasVindas {
    background: linear-gradient(135deg, #8EC5FC, #E0C3FC);
    color: #2c2c2c;
    padding: 25px;
    margin-top: 40px;
    border-radius: 20px;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease-in-out;
    animation: fadeIn 1s ease-in-out;
}

#mensagensBoasVindas h1 {
    font-size: 1.8rem;
    font-weight: 600;
    margin: 0;
}

#mensagensBoasVindas:hover {
    transform: scale(1.02);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}