/* Motion inspired by velonixai.io — smooth fade-up reveals, card hover lift */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-reveal), transform var(--transition-reveal);
}

.stagger-children.is-visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(7) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
.stagger-children.is-visible > *:nth-child(8) { transition-delay: 0.4s; opacity: 1; transform: translateY(0); }

/* Modal transitions */
.modal {
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.modal:not([hidden]) {
  opacity: 1;
  visibility: visible;
}

.modal__panel {
  transform: scale(0.95) translateY(12px);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              opacity 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}

.modal.is-open .modal__panel {
  transform: scale(1) translateY(0);
  opacity: 1;
}

.modal__backdrop {
  opacity: 0;
  transition: opacity 0.35s ease;
}

.modal.is-open .modal__backdrop {
  opacity: 1;
}

/* Hero card float — subtle, reference-like */
.hero-card--left-top {
  animation: float-card 6s ease-in-out infinite;
}

.hero-card--right-top {
  animation: float-card 6s ease-in-out infinite 1s;
}

.hero-card--left-bottom {
  animation: float-card 6s ease-in-out infinite 2s;
}

.hero-card--right-bottom {
  animation: float-card 6s ease-in-out infinite 0.5s;
}

@keyframes float-card {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.hero-card:hover {
  animation-play-state: paused;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .stagger-children > * {
    opacity: 1;
    transform: none;
  }

  .hero-card--left-top,
  .hero-card--right-top,
  .hero-card--left-bottom,
  .hero-card--right-bottom {
    animation: none;
  }
}