:root{
  --bg:#0b0b0d;
  --fg:#f2f2f2;
  --muted:#b7b7b7;
  --card:#141418;
  --line:rgba(255,255,255,.10);
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans KR", sans-serif;
  background:var(--bg);
  color:var(--fg);
}

.home{ padding: 20px; max-width: 1400px; margin: 0 auto; padding-top: 50px}

.header{
  padding: 20px 18px 14px;
  border:1px solid var(--line);
  border-radius: 18px;
  background: rgba(20,20,24,.45);
  margin-bottom: 70px; 
  margin-top: 5px
}
.headerTop{ display:flex; align-items:center; gap:10px; }
.badge{
  padding:6px 10px;
  border:1px solid var(--line);
  border-radius:999px;
  font-size:20px;
  letter-spacing:.12em;
}
.h1{ margin:0; font-size:50px; font-weight:850; }
.desc{ margin:20px 0 0; color:var(--muted); font-size:15px; line-height:1.5; }

.coverGrid{
  display:grid;
  /* ✅ 3개가 중앙에 “모여” 있도록 */
  justify-content: center;  /* 그리드 덩어리 가운데 */
  justify-items: center;    /* 카드 자체 가운데 */

  /* ✅ 3열 유지하되, 너무 넓게 퍼지지 않게 */
  grid-template-columns: repeat(3, 360px); /* 카드 폭 고정(원하면 280~360 조절) */
  gap: 30px;
}
@media (max-width: 1000px){ .coverGrid{ grid-template-columns: 1fr; } }

.cover{
  background: var(--card);
  border:1px solid var(--line);
  border-radius: 18px;
  overflow:hidden;
  cursor:pointer;
  transition: transform .18s ease, border-color .18s ease;
}
.cover:hover{ transform: scale(1.06); border-color: rgba(255,255,255,.22); }

.cover img{
  width:100%;
  height: 360px;
  object-fit: cover;
  display:block;
}
@media (max-width: 900px){ .cover img{ height: 300px; } }

.coverMeta{
  padding: 12px 12px 14px;
  border-top:1px solid var(--line);
}
.coverTitle{ margin:0; font-size:14px; font-weight:800; }
.coverSub{ margin:6px 0 0; color:var(--muted); font-size:12px; }

.viewer{
  display:none;
  padding: 50px;
  max-width: 1200px;
  margin: 0 auto;
}
.viewer.open{ display:block; }

.viewerTop{
  display:flex;
  align-items:flex-start;
  gap: 20px;
  margin-bottom: 70px;
  margin-top:30px
}
.btn{
  border:1px solid var(--line);
  background: rgba(20,20,24,.9);
  color: var(--fg);
  padding: 10px 12px;
  border-radius: 999px;
  cursor:pointer;
}
.viewerTitle{ font-weight:900; font-size:20px; } 
.viewerHint{ color:var(--muted); font-size:15px; margin-top:4px; } 
.spacer{ flex:1; } 
.progressText{ color:var(--muted); font-size:12px; padding-top: 10px; } 

.stripWrap{
  border:1px solid var(--line);
  border-radius: 18px;
  background: rgba(20,20,24,.45);
  overflow:hidden;
}
.strip{
  display:flex;
  gap: 14px;
  padding: 14px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-padding-left: 50%;
  scroll-padding-right: 50%;
  -webkit-overflow-scrolling: touch;
  scroll-behavior: smooth;
}
.strip::-webkit-scrollbar{ height: 10px; }
.strip::-webkit-scrollbar-thumb{ background: rgba(255,255,255,.18); border-radius:999px; }
.strip::-webkit-scrollbar-track{ background: rgba(255,255,255,.06); }

.frame{
  flex: 0 0 auto;
  width: min(520px, 84vw);
  scroll-snap-align: center
  
  border-radius: 20px;
  overflow: hidden;

  opacity: 0.25;
  transform: scale(0.94);
  filter: blur(1.2px);

}
.frameImg{
  width:100%;
  height: min(62vh, 520px);
  object-fit: contain;
  background:#000;
  border:1px solid var(--line);
  border-radius: 16px;
  display:block;
  transition: transform .18s ease, opacity .10s ease, filter .1s ease;
}
.frameCap{
  margin: 8px 2px 0;
  color: var(--muted);
  font-size: 20px;
}


/* ✅ 중앙 프레임이 '걸리듯' 튕기는 애니메이션 */
@keyframes snapPop {
  0%   { transform: scale(1.00); }
  55%  { transform: scale(1.035); } /* 여기 값 올리면 더 '툭' */
  100% { transform: scale(1.00); }
}

/* ✅ 중앙 프레임에 붙을 클래스 */
.frame.is-center{
  opacity: 1 !important;
  filter: blur(0px) !important;
  /* JS에서 transform을 계속 주기 때문에, 애니메이션은 frameImg에만 줌 */
}

/* ✅ 이미지 자체를 살짝 튕기게 */
.frame.is-center .frameImg{
  animation: snapPop 220ms cubic-bezier(.2, .9, .2, 1) 1;
}