:is(.btn, .showcase-arrow, .product-details summary) {
  position: relative;
  isolation: isolate;
  overflow: hidden;
}

:is(.btn, .showcase-arrow, .product-details summary)::after {
  content: '';
  position: absolute;
  inset: -1px;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 20%, color-mix(in srgb, var(--accent) 22%, white 6%) 50%, transparent 80%);
  opacity: 0.38;
  transform: translateX(-140%) skewX(-12deg);
  transition: transform 0.65s cubic-bezier(0.2, 0.75, 0.25, 1);
}

:is(.btn, .showcase-arrow, .product-details summary):is(:hover, :focus-visible)::after {
  transform: translateX(140%) skewX(-12deg);
}

:is(.btn, .showcase-arrow, .product-details summary) > :not(.effect-ripple) {
  position: relative;
  z-index: 2;
}

:is(.btn, .showcase-arrow, .product-details summary) .effect-ripple {
  position: absolute;
  z-index: 1;
  display: block;
  border-radius: 50%;
  background: var(--accent);
  pointer-events: none;
  animation: effect-ripple 0.68s cubic-bezier(0.2, 0.75, 0.25, 1) both;
}

.btn-solid .effect-ripple { background: var(--bg); }

@keyframes effect-ripple {
  from { opacity: 0.32; transform: scale(0); }
  to { opacity: 0; transform: scale(1); }
}

[data-tilt] {
  position: relative;
  isolation: isolate;
  rotate: none;
  transition: rotate 0.18s ease-out, background 0.3s var(--ease), border-color 0.3s var(--ease);
}

[data-tilt].effects-active {
  rotate: var(--effect-axis-x, 0) var(--effect-axis-y, 1) 0 var(--effect-angle, 0deg);
}

[data-tilt][data-reveal] {
  transition: opacity 0.7s var(--ease), transform 0.7s var(--snap), rotate 0.18s ease-out, background 0.3s var(--ease), border-color 0.3s var(--ease);
  transition-delay: calc(var(--i, 0) * 65ms), calc(var(--i, 0) * 65ms), 0s, 0s, 0s;
}

[data-tilt]::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: inherit;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(circle 19rem at var(--effect-x, 50%) var(--effect-y, 50%), color-mix(in srgb, var(--accent-soft) 80%, transparent), transparent 72%);
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 22%, var(--line-hi));
  transition: opacity 0.24s var(--ease);
}

[data-tilt].effects-active::after { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  :is(.btn, .showcase-arrow, .product-details summary)::after {
    display: none;
    transition: none;
  }
  :is(.btn, .showcase-arrow, .product-details summary) .effect-ripple { display: none; animation: none; }
  [data-tilt], [data-tilt].effects-active { rotate: none; }
  [data-tilt]::after, [data-tilt].effects-active::after { opacity: 0; transition: none; }
}

@media (pointer: coarse), (pointer: none) {
  [data-tilt], [data-tilt].effects-active { rotate: none; }
  [data-tilt]::after, [data-tilt].effects-active::after { opacity: 0; }
}