/**
 * 배너 색상 배경 스타일
 * 배너에 이미지 대신 단순한 배경색을 사용합니다.
 */

.banner-bg-1 {
  background: linear-gradient(135deg, #0066cc, #0052a3);
  background-size: cover;
}

.banner-bg-2 {
  background: linear-gradient(135deg, #ff6b00, #e35f00);
  background-size: cover;
}

.banner-bg-3 {
  background: linear-gradient(135deg, #4caf50, #388e3c);
  background-size: cover;
}

/* 배너 측면 이미지 스타일 */
.side-image {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: 80px;
  height: 80px;
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.side-image.left {
  left: 40px;
  transform: translateY(-50%) translateX(-30px);
}

.side-image.right {
  right: 40px;
  transform: translateY(-50%) translateX(30px);
}

.banner-item.active .side-image.left {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  transition-delay: 0.3s;
}

.banner-item.active .side-image.right {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
  transition-delay: 0.5s;
}

.banner-side-icon {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

/* 모바일 반응형 조정 */
@media (max-width: 768px) {
  .side-image {
    width: 50px;
    height: 50px;
  }

  .side-image.left {
    left: 20px;
  }

  .side-image.right {
    right: 20px;
  }
}