/* ============================================================
     HSCROLL — 프리미엄 가로 스크롤 갤러리
     ============================================================ */
  #hscroll {
    position: relative;
    background: var(--bg-alt);
    color: var(--fg);
    transition: background 0.8s var(--ease);
  }

  .hscroll-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: clamp(1.5rem, 3vh, 3rem);
    padding: clamp(4rem, 10vh, 8rem) 0;
  }
  .hscroll-row {
    display: block;
    overflow: hidden;
    width: 100%;
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
            mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  }
  /* 타이틀을 row 위에 겹치기 */
  .hscroll-row-label {
    font-family: 'Pretendard', sans-serif;
    font-size: clamp(1rem, 2vw, 1.6rem);
    font-weight: 200;
    letter-spacing: 0.02em;
    color: var(--fg-dim);
    padding: 0 clamp(1.5rem, 3vw, 3rem);
    margin-bottom: 0.5rem;
    text-align: center;
  }

  /* 좌측 상단: 게이지 + 카운터 */
  .hscroll-gauge {
    position: absolute;
    left: clamp(1.5rem, 3vw, 3rem);
    top: clamp(1.5rem, 3vh, 2.5rem);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 5;
  }

  .hscroll-gauge-num {
    font-size: 0.7rem;
    font-weight: 400;
    font-variant-numeric: tabular-nums;
    color: var(--fg-dim);
    letter-spacing: 0.08em;
  }

  .hscroll-gauge-track {
    width: clamp(50px, 8vw, 100px);
    height: 1.5px;
    background: rgba(255,255,255,0.12);
    position: relative;
    overflow: hidden;
  }

  .hscroll-gauge-fill {
    position: absolute;
    top: 0; left: 0;
    height: 100%;
    width: 0%;
    background: var(--fg);
    transition: width 0.2s linear;
  }

  .hscroll-gauge-num.bottom {
    opacity: 0.35;
  }

  /* 메인 콘텐츠 영역 — 자연 너비 (카드 전체 포함) */
  .hscroll-body {
    display: flex;
    align-items: center;
    padding-left: clamp(1.5rem, 3vw, 3rem);
    padding-right: 3rem;
    gap: clamp(3rem, 5vw, 6rem);
    flex-shrink: 0;
  }

  /* 좌측 타이틀 */
  .hscroll-title {
    flex-shrink: 0;
    width: clamp(220px, 26vw, 400px);
  }
  .hscroll-title-line {
    display: block;
    font-size: clamp(2.2rem, 5vw, 4.5rem);
    font-weight: 200;
    line-height: 1.05;
    letter-spacing: -0.03em;
    color: var(--fg);
  }
  .hscroll-title-sub {
    display: block;
    font-size: clamp(0.75rem, 0.9vw, 0.9rem);
    font-weight: 400;
    line-height: 1.6;
    color: var(--fg);
    opacity: 0.5;
    margin-top: 1.5em;
    letter-spacing: 0.02em;
    max-width: 280px;
  }

  /* 카드 트랙 — 자동 마퀴 */
  .hscroll-track {
    display: flex;
    gap: clamp(1.5rem, 2.5vw, 2.5rem);
    width: max-content;
    will-change: transform;
    align-items: flex-start;
    flex-shrink: 0;
  }
  #rowKids .hscroll-track {
    animation: marquee-left 50s linear infinite;
  }
  #rowParents .hscroll-track {
    animation: marquee-right 55s linear infinite;
  }
  .hscroll-row:hover .hscroll-track {
    animation-play-state: paused;
  }
  @keyframes marquee-left {
    from { transform: translate3d(0, 0, 0); }
    to   { transform: translate3d(-50%, 0, 0); }
  }
  @keyframes marquee-right {
    from { transform: translate3d(-50%, 0, 0); }
    to   { transform: translate3d(0, 0, 0); }
  }
  @media (prefers-reduced-motion: reduce) {
    #rowKids .hscroll-track,
    #rowParents .hscroll-track { animation: none; }
  }

  /* 카드: 노트북/태블릿 느낌의 프레임 */
  .hscroll-card {
    flex-shrink: 0;
    width: clamp(200px, 22vw, 340px);
    background: var(--bg-card);
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow:
      0 2px 4px rgba(0,0,0,0.04),
      0 12px 40px rgba(0,0,0,0.08),
      0 40px 80px rgba(0,0,0,0.06);
    transform: rotate(-1.5deg);
    transition: transform 0.6s var(--ease), box-shadow 0.6s var(--ease);
  }
  .hscroll-card:nth-child(2) { transform: rotate(1deg); }
  .hscroll-card:nth-child(3) { transform: rotate(-0.8deg); }
  .hscroll-card:nth-child(4) { transform: rotate(1.2deg); }
  .hscroll-card:nth-child(5) { transform: rotate(-0.5deg); }

  .hscroll-card:hover {
    transform: rotate(0deg) translateY(-6px);
    box-shadow:
      0 4px 8px rgba(0,0,0,0.06),
      0 20px 60px rgba(0,0,0,0.12),
      0 60px 100px rgba(0,0,0,0.08);
  }

  /* 카드 내부: 브라우저 크롬 바 */
  .hcard-chrome {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 10px 14px;
    background: var(--bg-card);
  }
  .hcard-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: #222;
  }
  .hcard-dot:nth-child(1) { background: #ff5f57; }
  .hcard-dot:nth-child(2) { background: #febc2e; }
  .hcard-dot:nth-child(3) { background: #28c840; }
  .hcard-url {
    margin-left: 8px;
    font-size: 0.6rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.03em;
  }

  /* 카드 콘텐츠 영역 */
  .hcard-screen {
    width: 100%;
    aspect-ratio: 16/9;
    overflow: hidden;
    position: relative;
  }
  .hcard-screen img,
  .hcard-screen video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease);
  }

  /* 호버 오버레이 — 반투명 + 상품 소개 */
  .hcard-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,1,4,0.75);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: clamp(1rem, 2vw, 1.8rem);
    opacity: 0;
    transition: opacity 0.4s var(--ease);
    pointer-events: none;
  }
  .hcard-screen:hover .hcard-overlay { opacity: 1; }
  .hcard-screen:hover img,
  .hcard-screen:hover video { transform: scale(1.05); }

  .hcard-overlay-title {
    font-family: 'Pretendard', sans-serif;
    font-size: clamp(1rem, 1.4vw, 1.3rem);
    font-weight: 400;
    color: #fff;
    margin-bottom: 0.5rem;
    line-height: 1.3;
  }
  .hcard-overlay-desc {
    font-size: clamp(0.7rem, 0.8vw, 0.8rem);
    font-weight: 300;
    color: rgba(255,255,255,0.7);
    line-height: 1.6;
  }
  .hcard-overlay-meta {
    margin-top: 0.8rem;
    font-size: 0.65rem;
    font-weight: 400;
    color: rgba(255,255,255,0.4);
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }

  /* 플레이스홀더 — 이미지 대기 시 표시 */
  .hcard-placeholder {
    width: 100%;
    height: 100%;
    background: #222;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
  }
  .hcard-placeholder-label {
    font-size: 0.65rem;
    font-weight: 400;
    color: rgba(255,255,255,0.2);
    letter-spacing: 0.15em;
    text-transform: uppercase;
  }
  .hcard-placeholder-title {
    font-size: 0.9rem;
    font-weight: 300;
    color: rgba(255,255,255,0.45);
    letter-spacing: 0.02em;
  }

  /* 카드 하단 캡션 */
  .hcard-caption {
    padding: 1rem 1.2rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    background: var(--bg-card);
  }
  .hcard-name {
    font-size: 0.75rem;
    font-weight: 400;
    color: rgba(255,255,255,0.6);
    letter-spacing: 0.02em;
  }
  .hcard-tag {
    font-size: 0.6rem;
    font-weight: 400;
    color: rgba(255,255,255,0.25);
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  @media (max-width: 768px) {
    .hscroll-panel { gap: 0.5rem; padding: 0.8rem 0; }
    .hscroll-row-label { font-size: 0.85rem; margin-bottom: 0.3rem; }
    .hscroll-card {
      width: clamp(140px, 38vw, 200px);
      border-radius: 0.5rem;
      transform: rotate(0deg) !important;
    }
    .hcard-chrome { padding: 4px 6px; }
    .hcard-dot { width: 4px; height: 4px; }
    .hcard-caption { padding: 0.4rem 0.6rem; }
    .hcard-name { font-size: 0.6rem; }
    .hcard-tag { font-size: 0.45rem; }
    .hcard-chrome { padding: 6px 8px; }
    .hcard-dot { width: 5px; height: 5px; }
    .hcard-url { font-size: 0.5rem; }
    .hcard-caption { padding: 0.6rem 0.8rem; }
    .hcard-name { font-size: 0.65rem; }
    .hcard-tag { font-size: 0.5rem; }
  }

  /* ============================================================
     HSCROLL-PARENT — 부모 프로그램 (왼→오 방향)
     ============================================================ */
  #hscroll-parent {
    position: relative;
    background: var(--bg-alt);
    color: var(--fg);
  }
  .hscroll-parent-panel {
    display: flex;
    align-items: center;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
    flex-wrap: nowrap;
  }
  .hscroll-parent-body {
    display: flex;
    align-items: center;
    padding-left: clamp(1.5rem, 3vw, 3rem);
    padding-right: 3rem;
    gap: clamp(3rem, 5vw, 6rem);
    flex-shrink: 0;
    flex-direction: row-reverse; /* 왼→오: 타이틀 우측, 카드 좌측에서 등장 */
  }

  .hscroll-parent-title {
    flex-shrink: 0;
    width: clamp(220px, 26vw, 400px);
    text-align: right;
  }

  .hscroll-parent-track {
    display: flex;
    gap: clamp(1.5rem, 2.5vw, 2.5rem);
    will-change: transform;
    align-items: flex-start;
  }

  /* 카드: 기존 hscroll-card 스타일 재사용 + 구분 */
  .hscroll-parent-track .hscroll-card {
    transform: rotate(1deg);
  }
  .hscroll-parent-track .hscroll-card:nth-child(2) { transform: rotate(-1.2deg); }
  .hscroll-parent-track .hscroll-card:nth-child(3) { transform: rotate(0.8deg); }
  .hscroll-parent-track .hscroll-card:nth-child(4) { transform: rotate(-0.6deg); }
  .hscroll-parent-track .hscroll-card:nth-child(5) { transform: rotate(1.1deg); }