/* 미라셀형: 5열 세로 롤 + 마우스 스포트라이트(컬러 레이어 + 그레이 마스크 + 링) */

.page-works-grid-visual {
  background: #0a0a0a;
  overflow-x: hidden;
}

.page-works-grid-visual .header {
  position: relative;
  z-index: 20;
}

.works-grid-visual {
  position: relative;
  min-height: 100vh;
  background: radial-gradient(
      circle at 50% -10%,
      rgba(78, 117, 255, 0.22),
      transparent 55%
    ),
    radial-gradient(
      circle at 100% 100%,
      rgba(169, 84, 255, 0.18),
      transparent 50%
    ),
    #030611;
  --spot-x: 50%;
  --spot-y: 50%;
  --works-grid-gap: 30px;
  --works-grid-li-radius: 16px;
  --works-grid-col-width: 400px;
  /* 스포트라이트·링 크기 (한곳에서 조정) */
  --works-spot-mask-radius: 400px;
  --works-spot-ring-size: 438px;
  /* --works-spot-ring-size: min(56vmin, 438px); */
  --works-spot-ring-border: 4px;
  --works-spot-ring-outline: 3px;
  /* loop distance: JS sets px from first ul height + track gap; fallback until then */
  --works-grid-loop-y: calc(-50% - var(--works-grid-gap) / 2);
  /* darken via overlay, not img brightness (avoids filter + radius fringe) */
  --works-overlay-idle-dark: 0.85;
  --works-overlay-vignette-mid: 0.85;
  --works-overlay-vignette-edge: 0.85;
  overflow-x: hidden;
  overflow-y: hidden;
  width: 100%;
  max-width: 100%;
}

.works-grid-visual__layers {
  position: relative;
  width: 100%;
  max-width: 100%;
  min-height: 100vh;
  height: 100vh;
  overflow: hidden;
}

.works-grid-visual__color-layer,
.works-grid-visual__gray-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.works-grid-visual__color-layer {
  z-index: 1;
}

.works-grid-visual__gray-layer {
  z-index: 2;
}

.works-grid-visual.is-spot-visible .works-grid-visual__gray-layer {
  -webkit-mask-image: none;
  mask-image: none;
  opacity: 0;
}

/* 마우스 스포트 링: 원 안은 완전 투명(이미지 그대로), 테두리·바깥 그림자만 */
.works-grid-visual__spot-ring {
  position: absolute;
  left: var(--spot-x, 50%);
  top: var(--spot-y, 50%);
  z-index: 4;
  width: var(--works-spot-ring-size);
  height: var(--works-spot-ring-size);
  border-radius: 50%;
  pointer-events: none;
  transform: translate(-50%, -50%);
  background: transparent;
  /* border: var(--works-spot-ring-border) solid rgba(255, 255, 255, 0.78); */
  border: 14px solid rgba(255, 255, 255, 1);
  /* No outer glow — dark outline only */
  /* box-shadow: 0 0 0 var(--works-spot-ring-outline) rgba(0, 0, 0, 0.65); */
  opacity: 0;
  transition: opacity 0.24s ease;
}
.works-grid-visual__spot-ring:before {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  border: 16px solid #00000099;
  box-sizing: border-box;
  border-radius: 50%;
  /* opacity: 0;
  transition: opacity 0.32s ease; */
}

.works-grid-visual.is-spot-visible .works-grid-visual__spot-ring {
  opacity: 1;
}

.works-grid-visual__cols {
  display: flex;
  justify-content: center;
  align-items: stretch;
  width: 100%;
  min-height: 100vh;
  height: 100vh;
  gap: var(--works-grid-gap);
  box-sizing: border-box;
}

.works-grid-visual__col {
  flex: 0 0 var(--works-grid-col-width);
  width: var(--works-grid-col-width);
  min-width: var(--works-grid-col-width);
  height: 100%;
  min-height: 100%;
  position: relative;
  overflow: hidden;
}

.works-grid-visual__track {
  display: flex;
  flex-direction: column;
  gap: var(--works-grid-gap);
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.works-grid-visual__col--up .works-grid-visual__track {
  animation: works-grid-scroll-up 55s linear infinite;
}

.works-grid-visual__col--down .works-grid-visual__track {
  animation: works-grid-scroll-up 55s linear infinite reverse;
}

.works-grid-visual__col:nth-child(1) .works-grid-visual__track {
  animation-duration: 24s;
}
.works-grid-visual__col:nth-child(2) .works-grid-visual__track {
  animation-duration: 29s;
}
.works-grid-visual__col:nth-child(3) .works-grid-visual__track {
  animation-duration: 26s;
}
.works-grid-visual__col:nth-child(4) .works-grid-visual__track {
  animation-duration: 32s;
}
.works-grid-visual__col:nth-child(5) .works-grid-visual__track {
  animation-duration: 26s;
}

.works-grid-visual__list {
  list-style: none;
  margin: 0;
  padding: 0;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--works-grid-gap);
}

.works-grid-visual__list li {
  background: transparent;
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: var(--works-grid-li-radius);
}

/* 컬러 레이어: 원본 */
.works-grid-visual__color-layer .works-grid-visual__list img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  filter: saturate(1.08) contrast(1.04);
  /* filter: saturate(1.08) contrast(1.04) brightness(1); */
  opacity: 1;
}

/* 그레이 레이어: 동일 프레임 + 흑백·어둡게 (마스크로 구멍만 컬러 노출) */
.works-grid-visual__gray-layer .works-grid-visual__list img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1);
  background: #000;
  filter: grayscale(1) contrast(1.05);
  /* filter: grayscale(1) brightness(0.38) contrast(1.05); */
  opacity: 1;
}

/* seamless loop: one list height + gap between the two lists (see --works-grid-loop-y) */
@keyframes works-grid-scroll-up {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(0, var(--works-grid-loop-y), 0);
  }
}

/* 스포트 위치(--spot-x/y)에 맞춰 가운데는 거의 어둡지 않게 → 컬러가 밝게 보임 */
.works-grid-visual__overlay {
  position: absolute;
  inset: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  background: rgba(0, 0, 0, var(--works-overlay-idle-dark));
}

.works-grid-visual.is-spot-visible .works-grid-visual__overlay {
  background: radial-gradient(
    ellipse calc(var(--works-spot-mask-radius) * 1)
      calc(var(--works-spot-mask-radius) * 1) at var(--spot-x, 50%)
      var(--spot-y, 50%),
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0) 52%,
    rgba(0, 0, 0, var(--works-overlay-idle-dark)) 53.2%,
    rgba(0, 0, 0, var(--works-overlay-idle-dark)) 100%
  );
}

.works-grid-visual__overlay-inner {
  text-align: center;
  max-width: 90%;
}

.works-grid-visual__overlay h1 {
  margin: 0 0 12px;
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  text-shadow: 0 4px 32px rgba(0, 0, 0, 0.45);
}

.works-grid-visual__overlay p {
  margin: 0;
  font-size: clamp(15px, 2vw, 20px);
  color: rgba(255, 255, 255, 0.88);
  font-weight: 500;
}

.works-grid-visual__scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 32px;
  transform: translateX(-50%);
  z-index: 12;
  pointer-events: none;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.55);
}

@media (prefers-reduced-motion: reduce) {
  .works-grid-visual__col--up .works-grid-visual__track,
  .works-grid-visual__col--down .works-grid-visual__track {
    animation: none;
  }

  .works-grid-visual__gray-layer {
    opacity: 0;
    pointer-events: none;
  }

  .works-grid-visual__spot-ring {
    opacity: 0;
  }
}

@media all and (max-width: 1024px) {
  .works-grid-visual {
    --works-grid-col-width: 320px;
    --works-spot-mask-radius: 320px;
    --works-spot-ring-size: 350px;
  }
  .works-grid-visual__spot-ring {
    border: 11px solid rgba(255, 255, 255, 1);
    /* box-shadow: 0 0 0 var(--works-spot-ring-outline) rgba(0, 0, 0, 0.65); */
  }
  .works-grid-visual__spot-ring:before {
    border: 12px solid #00000099;
  }
}

/* 768px 이하도 가로 5열(800px 구간의 230px) 유지 → 뷰포트에 맞게 옆으로 스크롤 */
@media all and (max-width: 768px) {
  .works-grid-visual {
    --works-grid-col-width: 280px;
    --works-spot-mask-radius: 280px;
    --works-spot-ring-size: 306px;
  }
}

/* index main: keep section01 copy/buttons; works-grid-visual layer */
.page-home .section.section01.works-grid-visual {
  height: 100vh;
  min-height: 720px;
  overflow: hidden;
  background: #111;
}

.page-home .section01.works-grid-visual::before {
  display: none;
}

.page-home .section01.works-grid-visual .works-grid-visual__overlay {
  pointer-events: none;
}

.page-home .section01.works-grid-visual .works-grid-visual__overlay .txtBox {
  position: relative;
  top: auto;
  left: auto;
  right: auto;
  transform: none;
  -webkit-transform: none;
  z-index: 1;
  pointer-events: none;
  width: 100%;
}

.page-home
  .section01.works-grid-visual
  .works-grid-visual__overlay
  .txtBox
  .inner {
  pointer-events: auto;
}

.page-home .section01.works-grid-visual .works-grid-visual__overlay .txt {
  position: relative;
  left: auto;
  top: auto;
  transform: none;
  width: 100%;
  max-width: 100%;
}

.page-home .section01.works-grid-visual .scroll {
  z-index: 11;
}