.especialConvencion{
    background: linear-gradient(180deg, #3E0000 54.38%, #000000 92.52%);;
}
.especialConvencion .title--slider{
    text-align: center;
    padding-top: 20px;
    font-size: 25px;
    color: #FFF;
    background-color: #B00;
    border-radius: 27px;
    padding: 8px 21px;
    margin-top: 25px;
    margin-bottom: 15px;
}
.especialConvencion.inline-slider .customh-slider{
    display: flex;
    justify-content: center;
    align-items: center;
}
#next-chapter-button-container {
    position: absolute;
    bottom: 13%;
    right: 3%;
    display: none; 
}
.all-voices{
   
}
.bg-voces{
    background-image: url('https://mxplus.tv/upload/c56aafe79d9064fa422a792162c43c82.jpg');
    background-size: cover;
    height: auto;
    width: 100%;
    z-index: 2;
    position: relative;
}
#next-chapter-button {
  position: relative;
  display: inline-block;
  padding: 10px 20px;
  font-size: 25px;
  font-weight: 700;
  font-family: Montserrat, sans-serif;
  color: #fff;
  cursor: pointer;
  background: #3b0044; /* color base antes del efecto */
  border: none;
  border-radius: 5px;
  overflow: hidden;
  z-index: 1;
  transition: transform 0.3s ease;
}


#next-chapter-button:hover {
  transform: scale(1.03);
}


/* capa del degradado que se llena */
#next-chapter-button::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 0%;
  height: 100%;
  background: linear-gradient(122deg, #FF00F4 0%, #BD00E8 100%);
  z-index: 0;
  border-radius: 5px;
}

/* texto siempre arriba del efecto */
#next-chapter-button span,
#next-chapter-button {
  position: relative;
  z-index: 2;
}

/* cuando se activa el llenado */
#next-chapter-button.active::before {
  animation: fillGradient 10s linear forwards;
}

/* animación de llenado */
@keyframes fillGradient {
  from {
    width: 0%;
  }
  to {
    width: 100%;
  }
}
@media (max-width: 767px) {
    #next-chapter-button {
        font-size: 13px;
    }
    #customBtn .add-btn-bitmovin {
        position: absolute;
        top: 50%;
        bottom: initial;
        left: 50%;
        transform: translate(-50%,-50%);
        width: 50%;
        text-align: center;
        display: none;
    }
    .add-btn-bitmovin button:last-child {
        margin-left: 55%;
    }
    .bg-voces{
        background-image: url('https://mxplus.tv/img/gral/2024/voces-movil.jpg');
        height: 650px;
        background-position: center;
    }
}
@media (max-width: 375px) {
    .bg-voces{
        background-image: url('https://mxplus.tv/img/gral/2024/voces-movil.jpg');
        height: 565px;
        background-position: center;
    }
}
@media (max-width: 320px) {
    .bg-voces{
        background-image: url('https://mxplus.tv/img/gral/2024/voces-movil.jpg');
        height: 475px;
        background-position: center;
    }
}