.sec-video{position:relative}

.sec-video__slider{position:relative}
.sec-video__track{position:relative;overflow:hidden}

.sec-video__list{
  display:grid;
  gap:30px;
  list-style:none;
  margin:0;padding:0;
}

.sec-video__card{
  display:block;
  min-width:0;
  text-decoration:none;
}

.sec-video__thumb{
  position:relative;
  display:block;
  aspect-ratio:16/9;          /* 유튜브 표준 비율 */
  overflow:hidden;
  border-radius:var(--card-radius, 12px);
  background:#0d0d0d;
  box-shadow:0 10px 26px rgba(0,0,0,.10);
  transition:transform .35s ease, box-shadow .35s ease;
}
.sec-video__thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease, opacity .3s ease;
}

/* ⚠️ maxres 가 없어 hq(4:3)로 내려간 경우에만 확대해 잘라낸다 */
.sec-video__thumb img.is-hq{transform:scale(1.34)}

.sec-video__card:hover .sec-video__thumb{
  transform:translateY(-4px);
  box-shadow:0 18px 38px rgba(0,0,0,.18);
}
.sec-video__card:hover .sec-video__thumb img{opacity:.85}

/* 재생 버튼 */
.sec-video__play{
  position:absolute;top:50%;left:50%;
  display:flex;align-items:center;justify-content:center;
  width:66px;height:47px;
  transform:translate(-50%,-50%);
  background:rgba(18,18,18,.7);
  border-radius:13px;
  color:#fff;
  transition:background .25s ease, transform .25s ease;
}
.sec-video__play svg{width:23px;height:23px;margin-left:2px}
.sec-video__card:hover .sec-video__play{
  background:#f03;
  transform:translate(-50%,-50%) scale(1.07);
}

.sec-video__badge{
  position:absolute;top:12px;left:12px;
  padding:5px 11px;
  font-size:12px;font-weight:700;
  letter-spacing:.02em;
  color:#fff;
  background:rgba(0,0,0,.55);
  border-radius:999px;
}

.sec-video__title{
  display:-webkit-box;
  margin-top:16px;
  font-size:var(--fs-body);
  font-weight:600;
  line-height:1.5;
  letter-spacing:-.02em;
  color:var(--c-text);
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
  transition:color .2s;
}
.sec-video__card:hover .sec-video__title{color:var(--c-primary)}

/* 재생 중 — JS 가 iframe 을 넣고 이 클래스를 붙인다 */
.sec-video__thumb.is-playing{transform:none;box-shadow:0 10px 26px rgba(0,0,0,.10)}
.sec-video__thumb.is-playing img,
.sec-video__thumb.is-playing .sec-video__play,
.sec-video__thumb.is-playing .sec-video__badge{display:none}
.sec-video__thumb iframe{
  position:absolute;inset:0;
  width:100%;height:100%;
  border:0;
}

/* ── --a  3열 카드 ─────────────────────── */
.sec-video--a .sec-video__list{grid-template-columns:repeat(3,1fr)}

/* ── --b  슬라이더 (페이지 단위) ────────── */
.sec-video--b .sec-video__list{
  display:flex;
  gap:30px;
  transition:transform .55s cubic-bezier(.4,0,.2,1);
}
.sec-video--b .sec-video__item{
  flex:0 0 calc((100% - 60px) / 3);
  min-width:0;
}
.sec-video--b.is-static .sec-video__list{transform:none !important}

/* 화살표 — 영상 좌우에 겹쳐 놓는다.
   ⚠️ 세로 위치는 썸네일 중앙. 제목 줄 수에 영향받지 않게 JS 가 높이를 넣어준다 */
.sec-video__arrow{
  position:absolute;z-index:3;
  top:calc(var(--yt-thumb-h, 220px) / 2);
  width:46px;height:46px;
  padding:0;
  transform:translateY(-50%);
  background:rgba(255,255,255,.94);
  border:0;border-radius:50%;
  cursor:pointer;
  box-shadow:0 4px 18px rgba(0,0,0,.18);
  transition:background .2s, box-shadow .2s, opacity .2s;
}
.sec-video__arrow[hidden]{display:none}
.sec-video__arrow::before{
  content:'';
  position:absolute;top:50%;left:50%;
  width:10px;height:10px;
  border-top:2px solid #1a1a1a;
  border-right:2px solid #1a1a1a;
  transition:border-color .2s;
}
.sec-video__arrow:hover:not([disabled]){
  background:var(--c-primary);
  box-shadow:0 8px 24px rgba(0,0,0,.26);
}
.sec-video__arrow:hover:not([disabled])::before{border-color:#fff}
.sec-video__arrow--prev{left:-14px}
.sec-video__arrow--prev::before{transform:translate(-35%,-50%) rotate(-135deg)}
.sec-video__arrow--next{right:-14px}
.sec-video__arrow--next::before{transform:translate(-65%,-50%) rotate(45deg)}
.sec-video__arrow[disabled]{opacity:0;pointer-events:none}

/* 인디케이터 — 영상 아래 중앙 */
.sec-video__dots{
  display:flex;align-items:center;justify-content:center;
  gap:8px;
  margin-top:28px;
}
.sec-video__dots[hidden]{display:none}
.sec-video__dot{
  width:8px;height:8px;
  padding:0;
  background:var(--c-line);
  border:0;border-radius:50%;
  cursor:pointer;
  transition:var(--tr);
}
.sec-video__dot.is-active{width:26px;border-radius:4px;background:var(--c-primary)}

/* ── --c  1개 크게 ─────────────────────── */
.sec-video--c .sec-video__list{
  grid-template-columns:1fr;
  max-width:960px;
  margin:0 auto;
}
.sec-video--c .sec-video__play{width:86px;height:60px;border-radius:16px}
.sec-video--c .sec-video__play svg{width:31px;height:31px}
.sec-video--c .sec-video__title{
  margin-top:22px;
  font-size:21px;
  text-align:center;
}

/* 하단 채널 버튼 */
.sec-video__more{
  display:flex;justify-content:center;
  margin-top:40px;
}
.sec-video__channel{
  display:inline-flex;align-items:center;gap:8px;
  padding:14px 30px;
  font-size:var(--fs-sm);
  font-weight:700;
  color:var(--c-text);
  border:1px solid var(--c-line);
  border-radius:999px;
  transition:var(--tr);
}
.sec-video__channel span{font-size:17px;line-height:1;transition:transform .25s ease}
.sec-video__channel:hover{
  color:#fff;
  background:var(--c-primary);
  border-color:var(--c-primary);
}
.sec-video__channel:hover span{transform:translateX(3px)}

@media (max-width:1024px){
  .sec-video__list{gap:24px}
  .sec-video--a .sec-video__list{grid-template-columns:repeat(2,1fr)}
  .sec-video--b .sec-video__list{gap:24px}
  .sec-video--b .sec-video__item{flex:0 0 calc((100% - 24px) / 2)}
  .sec-video__arrow{width:40px;height:40px}
  .sec-video__arrow--prev{left:6px}
  .sec-video__arrow--next{right:6px}
}

@media (max-width:768px){
  .sec-video__list{gap:20px}
  .sec-video--a .sec-video__list{grid-template-columns:1fr}
  .sec-video--b .sec-video__list{gap:16px}
  .sec-video--b .sec-video__item{flex:0 0 100%}
  .sec-video__play{width:54px;height:39px;border-radius:11px}
  .sec-video__play svg{width:19px;height:19px}
  .sec-video__title{margin-top:13px;font-size:var(--fs-sm)}
  .sec-video--c .sec-video__title{font-size:18px}
  .sec-video__dots{margin-top:22px}
  .sec-video__more{margin-top:30px}
}