.btn-abrir-modal {
    background-color: #4CAF50;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

.btn-abrir-modal:hover {
    background-color: #45a049;
}

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.activo {
    opacity: 1;
    visibility: visible;
}

.modal-contenido {
    position: relative;
    background-color: #fff;
    width: 90%;
    max-width: 800px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.btn-cerrar {
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    font-size: 18px;
    cursor: pointer;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn-cerrar:hover {
    background-color: rgba(0, 0, 0, 0.7);
}

.contenedor-video {
    position: relative;
    padding-bottom: 56.25%;
    /* Relación de aspecto 16:9 */
    height: 0;
    overflow: hidden;
}

.contenedor-video iframe,
.contenedor-video video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

@media (max-width: 768px) {
    .modal-contenido {
        width: 95%;
    }

    .btn-cerrar {
        top: 5px;
        right: 5px;
        width: 25px;
        height: 25px;
        font-size: 16px;
    }
}