header#main-header {
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  background: rgba(255, 255, 255, 0.55);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
  position: sticky;
  top: 0;
  left: 0;
  right: 0;
  z-index: 500;
  min-height: 60px;
}

body.dark header#main-header {
  background: rgba(var(--clr-bg-rgb-val), 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.header-container {
  padding: 1rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: auto;
}

.header-left-group {
  display: flex;
  align-items: center;
  gap: 5rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.mobile-menu-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

main {
  padding: 3rem 5%;
}

section {
  margin-bottom: 4rem;
}

.series-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(550px, 1fr));
  gap: 2rem;
}

.gallery-grid {
  column-count: 7;
  column-gap: 0.8rem;
  width: 100%;
}

.carousel-container {
  position: relative;
  overflow: hidden;
  margin-bottom: 2rem;
}

.carousel-track {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  padding: 0 5%;
  cursor: grab;
}

.carousel-track.active {
  cursor: grabbing;
}

.carousel-track::-webkit-scrollbar {
  display: none;
}

.carousel-track {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

@media (max-width: 1300px) {
  .gallery-grid {
    column-count: 5;
  }
}

@media (max-width: 1100px) {
  .gallery-grid {
    column-count: 4;
  }
}

@media (max-width: 992px) {

  .gallery-grid {
    column-count: 2;
  }
}

@media (max-width: 768px) {
  .header-container {
    padding: 0.6rem 5%;
  }

  header#main-header {
    min-height: 55px;
  }

  .header-left-group {
    gap: 0.8rem;
  }

  main {
    padding: 1.5rem 4%;
  }

  section {
    margin-bottom: 2.5rem;
  }

  .carousel-track {
    padding: 0 4%;
    scroll-padding-left: 4%;
    scroll-padding-right: 4%;
  }

  .series-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .gallery-grid {
    column-count: 2;
    column-gap: 0.6rem;
  }
}