/* Hero title fade-up entrance */
@keyframes heroFadeUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-fade-up {
  animation: heroFadeUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Orbital animations for bento cards */
@keyframes spin-slow {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.animate-spin-slow {
  animation: spin-slow 20s linear infinite;
}

.animate-spin-slower {
  animation: spin-slow 25s linear infinite;
}

.animate-spin-slowest {
  animation: spin-slow 30s linear infinite;
}

/* Image upload gallery animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: scale(0.9) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.image-card {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Smooth transitions for image cards */
.image-card img {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.image-card:hover img {
  transform: scale(1.05);
}

/* Page transition animation for mode switcher */
@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-content {
  opacity: 1;
  transform: translateY(0);
}

.page-content.animate {
  animation: pageFadeIn 0.5s ease-out;
}

/* Mobile menu animations */
.mobile-menu-backdrop {
  opacity: 0;
  transition: opacity 0.3s ease;
}

.is-open .mobile-menu-backdrop {
  opacity: 1;
}

/* Mobile (<lg): slide up from bottom as a bottom sheet */
.mobile-menu-panel {
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.is-open .mobile-menu-panel {
  transform: translateY(0);
}

/* Tablet (lg+): slide down from top */
@media (min-width: 1024px) {
  .mobile-menu-panel {
    transform: translateY(-100%);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .is-open .mobile-menu-panel {
    transform: translateY(0);
  }
}

/* Staggered link animation */
.menu-link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.is-open .menu-link {
  opacity: 1;
  transform: translateY(0);
}

.is-open .menu-link:nth-child(1) { transition-delay: 0.05s; }
.is-open .menu-link:nth-child(2) { transition-delay: 0.08s; }
.is-open .menu-link:nth-child(3) { transition-delay: 0.11s; }
.is-open .menu-link:nth-child(4) { transition-delay: 0.14s; }
.is-open .menu-link:nth-child(5) { transition-delay: 0.17s; }
.is-open .menu-link:nth-child(6) { transition-delay: 0.20s; }

/* Shimmer effect for high-priority CTAs */
@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

/* Modal dialog entrance/exit animations */
@keyframes dialogShow {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes backdropShow {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

dialog[open] {
  animation: dialogShow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

dialog[open]::backdrop {
  animation: backdropShow 0.2s ease-out;
  background-color: rgba(0, 0, 0, 0.4);
}

/* Scroll-reveal: fade-up entrance */
.reveal-item {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .reveal-item {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* Tab panel fade-in */
@keyframes tabFadeIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.tab-panel-animate {
  animation: tabFadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) both;
}

.btn-shimmer {
  position: relative;
  overflow: hidden;
  background-image: linear-gradient(
    110deg,
    transparent 25%,
    rgba(255, 255, 255, 0.15) 37%,
    transparent 50%
  );
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}