.fundo-animado {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background: linear-gradient(135deg, #7E1C2F 0%, #B8860B 100%);
    opacity: 0.3;
    animation: ondasVinho 6s ease-in-out infinite;
    border-radius: 12px;

}

.video iframe {
    position: relative;
    z-index: 1;
    border-radius: 12px;
}

.cabecalho-principal h1 {
    font-size: 2.8em;
    color: #3A0F1F;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.botao-cta {
    display: inline-block;
    padding: 15px 30px;
    margin-top: 30px;
    background-color: #7E1C2F;
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1.1em;
    transition: background-color 0.3s, transform 0.2s;
}

@keyframes ondasVinho {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.05) rotate(1deg);
        opacity: 0.4;
    }
    100% {
        transform: scale(1) rotate(0deg);
        opacity: 0.3;
    }
}