body.ui-style-9 {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.section {
  transition: transform 0.3s ease;
}

.section:hover {
  transform: translateY(-2px);
}

.video-card {
  position: relative;
  overflow: hidden;
}

.video-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.video-card:hover::before {
  left: 100%;
}

.logo {
  text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.logo:hover {
  transform: scale(1.05);
}

@media (max-width: 768px) {
  body {
    font-size: 14px;
  }

  .container {
    padding: 0 15px;
  }

  .section {
    padding: 20px 15px;
  }
}