.hero {
            position: relative;
            background: url('../img/salareunioes.png') no-repeat center center/cover;
            min-height: 100vh;
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            z-index: 3;
        }

        .hero .overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(27, 60, 117, 0.6);
            /* Azul com transparência suave */
            z-index: 2;
        }

        .hero .content {
            position: relative;
            z-index: 3;
        }

        /* Container que aplica o flip */
        .flip-container {
            perspective: 1000px;
            width: 100%;
            max-width: 500px;
            height: auto;
        }

        /* Comportamento interno de rotação */
        .flipper {
            position: relative;
            width: 100%;
            height: auto;
            transform-style: preserve-3d;
            transition: transform 0.8s ease;
        }

        /* Aplica a rotação quando clicado */
        .flip-container.flipped .flipper {
            transform: rotateY(180deg);
        }

        /* Faces da imagem */
        .front,
        .back {
            position: relative;
            width: 100%;
            height: auto;
            backface-visibility: hidden;
        }

        /* A face de trás rotacionada horizontalmente */
        .back {
            transform: rotateY(180deg);
            position: absolute;
            top: 0;
            left: 0;
        }

        /* Estética existente */
        .animated-img {
            transition: transform 0.3s ease;
        }

        .clickable-img {
            cursor: pointer;
        }

        .alert {
            margin-top: 10px;
            padding: 10px;
            border-radius: 5px;
            background-color: #e0f5e9;
            color: #2d7035;
        }