/* =========================
   TOP BANNER
========================= */

.siteBanner{
  position: sticky;
  top: 0;
  z-index: 9999;
  width: 100%;
  background: #000;
  overflow: hidden;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.siteBanner img,
.siteBanner video{
  width: 100%;
  display: block;
}

/* mobile küçültme */
@media (max-width:768px){
  .siteBanner img,
  .siteBanner video{
    max-height: 120px;
    object-fit: cover;
  }
}

/* close button */
.bannerClose{
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  background: rgba(0,0,0,0.6);
  color: #fff;
  border: 0;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  cursor: pointer;
}

/* =========================
   HEADER FIX
========================= */

.topbar{
  position: sticky;
  top: var(--banner-height, 0);
  z-index: 9998;
}