.video-container {
  width: 100%;
  position: relative;
  overflow: hidden;
}

video {
  width: 100%;
  height: auto;
  display: none;
}

video.mobile {
  display: block;
}

.banner_gamer {
  width: 100%;
}

.banner_gamer img {
  width: 100%;
}

.section-banner img {
  width: 100%;
  height: auto;
}

.section-tabs {
  width: 100%;
  max-width: 1440px;
  margin: 0 auto;
}

.section-tabs h1 {
  color: #fff;
  text-align: left;
  font-size: 42px;
  font-weight: 700;
  padding: 15px 18px 0;
  line-height: normal;
}

.section-tabs h4 {
  color: #fff;
  text-align: left;
  font-size: 16px;
  font-weight: 400;
  padding-top: 5px;
  padding: 15px 18px;
}

.section-tabs .tabs {
  display: flex;
  margin-bottom: 20px;
  justify-content: center;
}

.section-tabs .tab {
  position: relative;
  padding: 10px 20px;
  cursor: pointer;
  color: white;
  margin-right: 10px;
  text-align: center;
  font-size: 24px;
  font-weight: 700;
}

.section-tabs .tab::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(to right, #00ffcc, #007bff);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s ease;
}

.section-tabs .tab.active::after {
  transform: scaleX(0.7);
}

.section-tabs .content {
  display: none;
  padding: 20px;
  color: #fff;
  text-align: center;
}

.section-tabs .content.active {
  display: block;
}

@media (min-width: 768px) {
  video.desktop {
    display: block;
  }

  video.mobile {
    display: none;
  }

  .section-tabs h1 {
    text-align: center;
    padding: 15px 0 0 0;
  }

  .section-tabs h4 {
    text-align: center;
    padding: 5px 0 0 0;
  }
}