/* =========================
   HERO AD (Index) — FINAL CLEAN
   Desktop: peek ON
   Mobile : peek OFF
   ========================= */

.ad-slider-wrapper{
  position: relative;
  margin: 18px 0 24px;
  padding: 0;
}

/* viewport card */
.ad-slider{
  position: relative;
  width: min(1200px, calc(100vw - 56px));
  margin: 0 auto;
  border-radius: 22px;
  overflow: hidden;

  border: 1px solid rgba(255,255,255,.10);
  background: transparent; /* ✅ хар хүрээ мэдрэмжийг бүр авна */
  box-shadow: 0 18px 60px rgba(0,0,0,.55);
}

/* soft vignette edges (premium look) — desktop only */
@media (min-width: 821px){
  .ad-slider::before,
  .ad-slider::after{
    content:"";
    position:absolute;
    top:0; bottom:0;
    width: 140px;
    z-index: 5;
    pointer-events:none;
  }
  .ad-slider::before{
    left:0;
    background: linear-gradient(to right, rgba(0,0,0,.65), rgba(0,0,0,0));
  }
  .ad-slider::after{
    right:0;
    background: linear-gradient(to left, rgba(0,0,0,.65), rgba(0,0,0,0));
  }
}

/* track = horizontal rail */
.ad-track{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: min(620px, 70vh);

  display: flex;
  align-items: stretch;

  gap: 18px;
  padding-inline: 20%; /* ✅ desktop peek */
  overflow: visible;

  will-change: transform;
  transform: translate3d(0,0,0);
  transition: transform .38s ease;

  background: #000; /* stage base */
}

/* slide */
.ad-card{
  position: relative;
  flex: 0 0 72%;
  border-radius: 18px;
  overflow: hidden;

  opacity: .55;
  transform: scale(.985);
  transition: opacity .25s ease, transform .25s ease;

  pointer-events: none;
  background: #000;
  border: 1px solid rgba(255,255,255,.10);
}

.ad-card.is-active{
  opacity: 1;
  transform: scale(1);
  pointer-events: auto;
}

/* media */
.ad-media{
  width: 100%;
  height: 100%;
  display: block;
  background: #000;
  object-fit: contain; /* no crop */
}

/* optional: if you add class "is-cover" on slider */
.ad-slider.is-cover .ad-media{ object-fit: cover; }

/* hover glow */
@media (hover:hover){
  .ad-slider:hover{
    border-color: rgba(255,255,255,.22);
    box-shadow:
      0 18px 60px rgba(0,0,0,.55),
      0 0 0 2px rgba(255,255,255,.08),
      0 0 22px rgba(255,255,255,.12);
  }
}

/* arrows */
.ad-prev, .ad-next{
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 6;

  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.35);
  color: #fff;
  cursor: pointer;

  display: grid;
  place-items: center;
  font-size: 20px;

  opacity: .88;
  transition: opacity .15s ease, background-color .15s ease;
}

.ad-prev:hover, .ad-next:hover{
  opacity: 1;
  background: rgba(255,255,255,.08);
}

.ad-prev{ left: 12px; }
.ad-next{ right: 12px; }

/* CTA */
.ad-more{
  position: absolute;
  font-family: 'Courier New', Courier, monospace;
  right: 14px;
  top: 14px;
  z-index: 7;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  padding: 11px 14px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(0,0,0,.45);
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  backdrop-filter: blur(10px);

  transition: background-color .15s ease, border-color .15s ease, transform .12s ease;
}

.ad-more:hover{
  background: rgba(255,255,255,.10);
  border-color: rgba(255,255,255,.26);
  transform: translateY(-1px);
}
.ad-more:active{ transform: translateY(0); }

/* dots */
.ad-dots{
  position:absolute;
  left:50%;
  bottom: 12px;
  transform: translateX(-50%);
  display:flex;
  gap:8px;
  z-index: 7;
}

.ad-dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.25);
  background: rgba(255,255,255,.12);
  cursor: pointer;
  opacity: .75;
}
.ad-dot.is-active{
  opacity: 1;
  background: rgba(255,255,255,.35);
}
/* Pure video: native controls hide (backup) */
.ad-slider video::-webkit-media-controls { display:none !important; }
.ad-slider video::-webkit-media-controls-enclosure { display:none !important; }
.ad-slider video::-webkit-media-controls-panel { display:none !important; }

.ad-unmute-hint{
  position:absolute;
  left:50%;
  bottom:clamp(16px,4vw,52px);
  transform:translateX(-50%);
  z-index:8;

  padding:clamp(9px,1.6vw,10px) clamp(12px,2.4vw,14px);
  border-radius:999px;
  border:1px solid rgba(255,255,255,.18);
  background:rgba(0,0,0,.60);
  color:#fff;
  font-weight:900;
  font-size:clamp(10px,2.2vw,13px);
  letter-spacing:.3px;
  text-transform:uppercase;
  backdrop-filter:blur(10px);

  /* 🔥 ЭНЭ 3 МӨР = 1 мөр баталгаатай */
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;

  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease, transform .18s ease;
}

.ad-unmute-hint.show{
  opacity:1;
  transform:translateX(-50%) translateY(-2px);
}

/* =========================
   MOBILE: peek OFF (full width)
   ========================= */
@media (max-width: 820px){
  .ad-slider{
    width: calc(100vw - 28px);
    border-radius: 18px;
  }

  .ad-track{
    max-height: 56vh;
    padding-inline: 0;   /* ✅ peek OFF */
    gap: 0;              /* ✅ peek OFF */
  }

  .ad-card{
    flex: 0 0 100%;      /* ✅ нэг л slide */
    border-radius: 0;    /* card edge flush */
    border: 0;
    opacity: 1;          /* mobile дээр dim хийх хэрэггүй */
    transform: none;
  }

  .ad-prev, .ad-next{
    width: 40px;
    height: 40px;
  }

  .ad-more{
    right: 10px;
    top: 10px;
    padding: 10px 12px;
    font-size: 14px;
  }
}

/* touch devices: hover effect off */
@media (hover:none){
  .ad-slider:hover{
    box-shadow: 0 18px 60px rgba(0,0,0,.55);
  }
}