/* slider.css - 히어로 배너 슬라이더 */

.hero-banner {
  padding: var(--spacing-md) 0;
  background-color: var(--color-bg-light);
}

.slider {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.slider__track {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 1;
  min-height: 200px;
}

.slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-slow), visibility var(--transition-slow);
}

.slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-image {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-size: cover;
  background-position: center;
}

/* 플레이스홀더 배경 - images/ 폴더의 실제 이미지로 교체 가능 */
.slide-image--1 {
  background: linear-gradient(135deg, #30365f 0%, #434a79 55%, #5f74c9 100%);
}

.slide-image--2 {
  background: linear-gradient(135deg, #242948 0%, #30365f 50%, #6f86e1 100%);
}

.slide-image--3 {
  background: linear-gradient(135deg, #5f74c9 0%, #4a5fae 45%, #30365f 100%);
}

.slide-image--event {
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  color: inherit;
  background-color: #30365f;
  background-size: cover;
  background-position: center;
  cursor: pointer;
}

.hero-banner__loading {
  margin: 0;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: #eef1f8;
  border-radius: 8px;
}

.slide-image__caption {
  display: inline-block;
  max-width: min(90%, 720px);
  margin: 0;
  padding: 0.7rem 1.35rem;
  border-radius: 999px;
  background: rgba(12, 16, 28, 0.72);
  box-shadow: 0 10px 28px rgba(12, 16, 28, 0.28);
  backdrop-filter: blur(6px);
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: #fff;
  text-align: center;
  text-shadow: none;
}

/* 슬라이더 컨트롤 버튼 */
.slider-controls {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  transform: translateY(-50%);
  display: flex;
  justify-content: space-between;
  padding: 0 var(--spacing-sm);
  pointer-events: none;
}

.slider-controls__btn {
  pointer-events: auto;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.4);
  color: var(--color-bg);
  border-radius: 50%;
  font-size: 1.125rem;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.slider-controls__btn:hover {
  background-color: var(--color-accent);
  transform: scale(1.1);
}

/* Dot Navigation */
.slider-dots {
  position: absolute;
  bottom: var(--spacing-sm);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: var(--spacing-xs);
}

.slider-dots__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.slider-dots__dot:hover {
  background-color: rgba(255, 255, 255, 0.8);
  transform: scale(1.2);
}

.slider-dots__dot.active {
  background-color: var(--color-accent);
  transform: scale(1.2);
}

@media (max-width: 768px) {
  .slider__track {
    aspect-ratio: 16 / 9;
    min-height: 160px;
  }

  .slide-image__caption {
    font-size: 1.25rem;
    padding: 0.55rem 1rem;
  }

  .slider-controls__btn {
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
  }
}

@media (max-width: 480px) {
  .slide-image__caption {
    font-size: 1rem;
    padding: 0.45rem 0.85rem;
  }
}