/* ============================================================
 * hero-slider.css (v5)
 * 다폰 메인 배너 슬라이더 (코웨이 스타일)
 *
 * 변경 이력:
 *   v1~v3: 여러 aspect-ratio 시도 (과도한 크롭 발생)
 *   v4: aspect-ratio 126/85 적용했으나 실제 미작동 (외부 CSS 간섭 추정)
 *   v5: padding-bottom 기법으로 교체 (IE 시절부터 검증된 불변의 방식)
 *
 * v5 핵심 변화:
 *   - aspect-ratio 속성 제거 → padding-bottom: 67.4603% (850/1260)
 *   - .hero-slider::before 가 비율을 강제로 유지
 *   - .hero-slider__track 을 absolute positioning으로 컨테이너 내부 전체 채움
 *   - 어떤 외부 CSS가 간섭해도 비율이 깨지지 않음
 *
 * 원본 이미지:
 *   banner-01.gif / banner-02.gif / banner-03.png (모두 1260×850)
 *   padding-bottom 비율: 850 / 1260 × 100 = 67.4603%
 * ============================================================ */

.hero-slider {
  position: relative;
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  overflow: hidden;
  background: #f5f5f5;
}

/* padding-bottom 기법: 항상 1260:850 비율 강제 */
.hero-slider::before {
  content: '';
  display: block;
  padding-bottom: 70%; /* 850 / 1260 × 100 */
}

.hero-slider__track {
  position: absolute;
  top: 0;
  left: 0;
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
  will-change: transform;
}

.hero-slider__slide {
  flex: 0 0 100%;
  display: block;
  position: relative;
  height: 100%;
  overflow: hidden;
  text-decoration: none;
}

.hero-slider__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

/* ── 좌우 화살표 ── */
.hero-slider__arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.85);
  border: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: #333;
  z-index: 3;
  transition:
    background 0.2s,
    transform 0.2s;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  padding: 0;
}

.hero-slider__arrow:hover {
  background: #fff;
  transform: translateY(-50%) scale(1.05);
}

.hero-slider__arrow:active {
  transform: translateY(-50%) scale(0.95);
}

.hero-slider__arrow:focus-visible {
  outline: 2px solid #c9a84c;
  outline-offset: 2px;
}

.hero-slider__arrow--prev {
  left: 20px;
}
.hero-slider__arrow--next {
  right: 20px;
}

/* ── 하단 컨트롤 ── */
.hero-slider__controls {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 7px 14px;
  background: rgba(0, 0, 0, 0.5);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-radius: 999px;
  z-index: 3;
}

.hero-slider__progress-count {
  color: #fff;
  font-family: 'Noto Sans KR', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  min-width: 30px;
  white-space: nowrap;
}

.hero-slider__progress-current {
  font-weight: 700;
}

.hero-slider__progress-sep {
  margin: 0 3px;
  opacity: 0.5;
}

.hero-slider__progress-bar {
  width: 100px;
  height: 2px;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 1px;
  overflow: hidden;
}

.hero-slider__progress-fill {
  height: 100%;
  width: 0%;
  background: #fff;
  transition: width 0.1s linear;
}

.hero-slider__play-toggle {
  background: none;
  border: none;
  color: #fff;
  cursor: pointer;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  opacity: 0.9;
  transition: opacity 0.2s;
}

.hero-slider__play-toggle:hover {
  opacity: 1;
}

.hero-slider__play-toggle.is-paused .hero-slider__icon-pause {
  display: none;
}

.hero-slider__play-toggle.is-paused .hero-slider__icon-play {
  display: block !important;
}

/* ── 스와이프 중 링크 클릭 차단 ── */
.hero-slider.is-swiping .hero-slider__slide {
  pointer-events: none;
}

/* ============================================================
 * 반응형 — padding-bottom 비율은 그대로 유지 (동일 이미지 비율)
 * ============================================================ */

/* ── 태블릿 ── */
@media (max-width: 1024px) {
  .hero-slider__arrow--prev {
    left: 14px;
  }
  .hero-slider__arrow--next {
    right: 14px;
  }
}

/* ── 모바일: 화살표 숨김, 터치 스와이프만 ── */
@media (max-width: 768px) {
  .hero-slider__arrow {
    display: none;
  }
  .hero-slider__controls {
    bottom: 14px;
    padding: 6px 12px;
    gap: 10px;
  }
  .hero-slider__progress-bar {
    width: 70px;
  }
}

@media (max-width: 480px) {
  .hero-slider__controls {
    bottom: 10px;
    padding: 5px 10px;
    gap: 8px;
  }
  .hero-slider__progress-bar {
    width: 60px;
  }
  .hero-slider__progress-count {
    font-size: 11px;
  }
}