/* Site-wide scroll reveal animations */

html {
  scroll-behavior: smooth;
}

[data-site-header] {
  animation: header-enter 0.65s cubic-bezier(0.22, 0.7, 0.2, 1) both;
}

@keyframes header-enter {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

:root {
  --reveal-duration: 0.7s;
  --reveal-ease: cubic-bezier(0.22, 0.7, 0.2, 1);
}

@keyframes page-enter {
  from { opacity: 0; }
  to { opacity: 1; }
}

main.site-main {
  animation: page-enter 0.5s var(--reveal-ease) both;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity var(--reveal-duration) var(--reveal-ease),
    transform var(--reveal-duration) var(--reveal-ease);
  transition-delay: var(--reveal-delay, 0ms);
  will-change: opacity, transform;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--left {
  transform: translateX(-36px);
}
.reveal--left.is-visible {
  transform: translateX(0);
}

.reveal--right {
  transform: translateX(36px);
}
.reveal--right.is-visible {
  transform: translateX(0);
}

.reveal--scale {
  transform: scale(0.94);
}
.reveal--scale.is-visible {
  transform: scale(1);
}

.reveal--fade {
  transform: none;
}

.reveal--immediate {
  opacity: 0;
  animation: reveal-up var(--reveal-duration) var(--reveal-ease) forwards;
  animation-delay: var(--reveal-delay, 0ms);
}

@keyframes reveal-up {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Hover lift — cards & buttons */
.hover-animate {
  transition:
    transform 0.35s var(--reveal-ease),
    box-shadow 0.35s var(--reveal-ease),
    border-color 0.25s ease;
}
.hover-animate:hover {
  transform: translateY(-4px);
}

/* Floating action buttons entrance */
@keyframes float-in {
  from {
    opacity: 0;
    transform: translateY(16px) scale(0.9);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}
.floating-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 0;
  padding: 0;
  border: 0;
  cursor: pointer;
  animation: float-in 0.6s var(--reveal-ease) 0.8s both;
}
.floating-action-btn__icon {
  display: block;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  pointer-events: none;
}
.floating-action-btn__icon--sm,
.floating-action-btn--sm .floating-action-btn__icon {
  width: 1.25rem;
  height: 1.25rem;
}
.floating-action-btn svg {
  margin: 0;
}

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

  [data-site-header],
  main.site-main,
  .reveal,
  .reveal--immediate,
  .floating-action-btn {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}