/* Animação de introdução com borboletas */
.intro-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #ffffff;
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    transition: opacity 0.5s ease-out;
}

.intro-logo {
    position: relative;
    width: 240px;
    height: auto;
    opacity: 0;
    background: transparent;
    mix-blend-mode: multiply;
    transform: scale(0.8);
    transition: opacity 1s ease-out, transform 1s ease-out;
    z-index: 10;
}

.butterfly-container {
    position: absolute;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.intro-butterfly {
    position: absolute;
    display: inline-block;
    font-size: 30px;
    pointer-events: none;
    z-index: 1000;
    transform-origin: center center;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.8), 0 0 10px rgba(128, 216, 208, 0.6);
    animation: flutter 0.8s infinite alternate ease-in-out;
}

@keyframes flutter {
    0% {
        transform: scaleX(0.8) scaleY(1) rotate(-1deg);
    }
    25% {
        transform: scaleX(1) scaleY(1.05) rotate(0deg);
    }
    50% {
        transform: scaleX(1.1) scaleY(1) rotate(1deg);
    }
    75% {
        transform: scaleX(1) scaleY(0.95) rotate(0deg);
    }
    100% {
        transform: scaleX(0.8) scaleY(1) rotate(-1deg);
    }
}

.hidden {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease-out;
}