[data-glass-surface] {
  position: relative;
  overflow: hidden;
}

[data-glass-surface]::after {
  content: "";
  position: absolute;
  inset: -40% -80%;
  pointer-events: none;
  background: linear-gradient(115deg, transparent 36%, rgba(255, 255, 255, 0.34) 50%, transparent 64%);
  transform: translateX(-42%) rotate(4deg);
  opacity: 0;
}

[data-glass-surface]:hover::after,
[data-glass-surface].is-visible::after {
  animation: glass-sheen 950ms ease forwards;
}

.reveal {
  transform: translateY(18px);
  opacity: 0;
}

.reveal.is-visible {
  transform: translateY(0);
  opacity: 1;
  transition:
    opacity 560ms ease,
    transform 560ms cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--reveal-delay, 0ms);
}

.program-card,
.button,
.settings-toggle,
.sticky-cta {
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    opacity 220ms ease,
    transform 220ms ease;
}

.program-card:hover,
.button:hover,
.settings-toggle:hover {
  transform: translateY(-3px);
}

.button:active,
.settings-toggle:active,
.sticky-cta:active,
.segmented-control button:active {
  transform: translateY(1px) scale(0.99);
}

.sticky-cta {
  transition:
    opacity 240ms ease,
    transform 240ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

@keyframes glass-sheen {
  0% {
    opacity: 0;
    transform: translateX(-42%) rotate(4deg);
  }
  26% {
    opacity: 0.7;
  }
  100% {
    opacity: 0;
    transform: translateX(42%) rotate(4deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 1ms !important;
  }

  .reveal {
    transform: none;
    opacity: 1;
  }
}