.scrolly[data-scrolly] {
  position: relative;

  --sticky-top: 0px;
  --down-vh: 40;       
  --slot-start: 0.55;
  --slot-end: 0.75; 
  --text-end: 0.55;
  --scroll-length-vh: 300;
  --after-guard-vh: 40;
  --extra-runway-px: 0;

  min-height: max(
    var(--scrolly-height, 0px),
    calc(var(--scroll-length-vh, 300) * 1vh)
  );

  scroll-margin-top: calc(var(--sticky-top, 0px) + env(safe-area-inset-top, 0px));
}

.ql-sticky,
.scrolly [data-scrolly-sticky] {
  position: sticky;
  top: calc(var(--sticky-top, 0px) + env(safe-area-inset-top, 0px));
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  contain: layout paint style;
}

@supports not (height: 100dvh) {
  .ql-sticky,
  .scrolly [data-scrolly-sticky] {
    height: calc(100vh - var(--sticky-top, 0px));
  }
}

.scrolly [data-scrolly-copy] {
  position: relative;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  will-change: transform, opacity;
}

.scrolly .scrolly-title,
.scrolly .scrolly-subtitle,
.scrolly .scrolly-content {
  transform: translateX(0);
  will-change: transform, opacity;
}

.scrolly [data-scrolly-slot] {
  opacity: 0;
  transform: translateY(calc(var(--down-vh, 40) * 1vh));
  pointer-events: none;
  will-change: opacity, transform;
}

.scrolly [data-scrolly-slot].is-active {
  pointer-events: auto;
}

@media (prefers-reduced-motion: reduce) {
  .scrolly .scrolly-title,
  .scrolly .scrolly-subtitle,
  .scrolly .scrolly-content,
  .scrolly [data-scrolly-slot],
  .scrolly [data-scrolly-copy] {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
}

@supports (scroll-behavior: smooth) {
  .scrolly[data-scrolly] {
    scroll-behavior: auto;
  }
}


@media (max-width: 360px) and (max-height: 640px) {
  .scrolly[data-scrolly] {
    --down-vh: 24;
    --after-guard-vh: 72;
    --scroll-length-vh: 500;
  }

  .package-box { 
    padding: var(--mp16);
    min-height: 24rem;
  }
  .package-box.default-highlight {
    min-height: 26rem;
  }
  .logo-section { height: 5.5rem; }
  .package-logo { width: 3.4rem; height: 3.4rem; top: .5rem; left: .5rem; }
  .package-box .content-title { margin-bottom: .6rem; }
  .package-box .content p,
  .package-box .content li { font-size: var(--font-size-16); }
}



/* ===== Mobile performance pack ===== */

.scrolly [data-scrolly-slot] { pointer-events: none; }
.scrolly [data-scrolly-slot].is-active { pointer-events: auto; }

.scrolly [data-scrolly-slot],
.scrolly .scrolly-title,
.scrolly .scrolly-subtitle,
.scrolly .scrolly-content {
  backface-visibility: hidden;
  transform: translate3d(0,0,0);
}

@media (hover: none) and (pointer: coarse) {
  .package-box:hover { transform: none; box-shadow: 0 0.308rem 0.615rem rgba(0,0,0,0.06); }
}

@media (max-width: 768px) {
  .scrolly[data-scrolly] {
    --scroll-length-vh: 360;
    --slot-start: 0.45;
    --slot-end:   0.70;
    --text-end:   0.50;
    --down-vh:    22;
    --after-guard-vh: 56;
  }

  .package-box {
    box-shadow: 0 0.231rem 0.462rem rgba(0,0,0,0.06);
    border-color: rgba(0,0,0,0.2);
  }
  .package-box.default-highlight {
    box-shadow: 0 0.385rem 0.923rem rgba(0,0,0,0.12);
  }

  .package-box {
    contain: content;
    content-visibility: auto;
    contain-intrinsic-size: 520px 480px;
  }

  .scrolly .scrolly-title,
  .scrolly .scrolly-subtitle,
  .scrolly .scrolly-content {
    will-change: transform, opacity;
  }
}

@media (max-width: 360px) and (max-height: 640px) {
  .scrolly[data-scrolly] {
    --scroll-length-vh: 320;
    --down-vh: 18;
    --slot-start: 0.42;
    --slot-end:   0.66;
    --after-guard-vh: 48;
  }

  .ql-video-blur {
    filter: blur(0.6rem) brightness(0.85);
  }
  .ql-video-bg {
    box-shadow: none;
  }
}