.banner{
    display: flex;
  align-items: center;
  justify-content: center;
    width: 100vw;
    height: 100vh;
    background-color: var(--white);
    background-position: center;
  background-repeat: no-repeat;
    background-size: cover;
    //line extr
}
.banner__center{
    height: 100%;
    width: 100%;
    display: flex;
    flex-direction: column;
    margin: auto;
}
.banner__center__h1{
    text-align: center;
}









/* Iframe */
.box__body__iframe {
    display: none;
    width: 90%;
    height: 200px;
    margin: auto;
    border: none;
    border-radius: 10px;
    margin-bottom: 15px;
}





/* Contenedor principal */
.box {
    display: flex;
    flex-direction: column;
    margin: auto 50px auto auto;
    width: 30vw;
    max-width: 400px;
    position: fixed;
    top: 15vh;
    right: 40px;
    font-family: 'Arial', sans-serif;
    color: #fff;
    font-weight: 600;
    opacity: 0;
    z-index: -1;
    transition: opacity 0.5s ease, z-index 0s linear 0.5s;
    backdrop-filter: blur(12px);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 0 40px rgba(100, 100, 100, 0.5), 0 0 80px rgba(80, 80, 80, 0.2);
    border: 1px solid rgba(150, 150, 150, 0.3);
}

/* Activar box */
.box--active {
    opacity: 1;
    z-index: 210;
    transition: opacity 0.5s ease;
}

/* Header del box */
.box__header {
    background: rgba(120, 120, 120, 0.4);
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid rgba(200, 200, 200, 0.2);
    box-shadow: 0 0 15px rgba(150,150,150,0.3);
}

.box__header__h3 {
    font-size: 1.8em;
    margin: 0;
    text-shadow: 0 0 10px rgba(200,200,200,0.7);
}

/* Cuerpo del box */
.box__body {
    padding: 15px 20px;
    background: rgba(80, 80, 80, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(5px);
}

.box__body__p {
    margin-bottom: 15px;
    text-align: justify;
    font-size: 1em;
    line-height: 1.4;
}

/* Iframe futurista */
.box__body__iframe {
    display: none;
    width: 90%;
    height: 220px;
    border: 1px solid rgba(150,150,150,0.3);
    border-radius: 12px;
    margin-bottom: 15px;
    box-shadow: 0 0 20px rgba(120,120,120,0.5), 0 0 40px rgba(100,100,100,0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.box__body__iframe:hover {
    transform: scale(1.02);
    box-shadow: 0 0 25px rgba(150,150,150,0.7), 0 0 50px rgba(120,120,120,0.5);
}

.box__body__iframe--active {
    display: block;
}

/* Botón cerrar futurista */
.button--end {
    height: 25px;
    width: 25px;
    position: absolute;
    top: 15px;
    right: 15px;
    display: none;
    z-index: 1000;
    border: none;
    border-radius: 50%;
    background: transparent;
    color: #fff;
    font-weight: bold;
    font-size: 22px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 15px rgba(120,120,120,0.7), 0 0 25px rgba(100,100,100,0.5);
    animation: pulseButton 2s infinite;
}

.button--end:hover {
    background: rgba(150,150,150,0.9);
    transform: scale(1.2);
    box-shadow: 0 0 25px rgba(150,150,150,0.9), 0 0 50px rgba(130,130,130,0.6);
}

.button--end--active {
    display: block;
}

/* Animación de pulso botón */
@keyframes pulseButton {
    0% {
        transform: scale(1);
        box-shadow: 0 0 15px rgba(120,120,120,0.7), 0 0 25px rgba(100,100,100,0.5);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 20px rgba(150,150,150,0.9), 0 0 40px rgba(130,130,130,0.6);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 0 15px rgba(120,120,120,0.7), 0 0 25px rgba(100,100,100,0.5);
    }
}


@media(max-width:768px){    
    .banner__center{
        font-size: 26px;
    }
    .box{
        width: 35vw;
        top: 10vh;
        right: 20px;
        font-size: 13px;
    }
}
@media(max-width:568px){
    .banner__center{
        font-size: 20px;
    }
    .box{
        width: 60vw;
        top: 25vh;
        left: 15vw;
        margin: none;
        font-size: 14px;
    }
    .box__header{
        padding: 15px;
    }
    .box__body{
        padding: 5px 10px;
    }
    .box__body__p{
        margin-bottom: 0px;
    }
}