/* Frontier Six — Animations */

/* Reveal on scroll (works with IntersectionObserver in app.js) */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)), transform 1s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
}

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

/* Stagger children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)), transform 0.8s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
}

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

.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 0.15s; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 0.2s; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 0.25s; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 0.3s; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 0.35s; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 0.4s; }
.reveal-stagger.is-visible > *:nth-child(9) { transition-delay: 0.45s; }
.reveal-stagger.is-visible > *:nth-child(10) { transition-delay: 0.5s; }
.reveal-stagger.is-visible > *:nth-child(11) { transition-delay: 0.55s; }
.reveal-stagger.is-visible > *:nth-child(12) { transition-delay: 0.6s; }

/* Slide in from left */
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)), transform 0.8s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
}

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

/* Scale up */
.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1)), transform 0.8s var(--ease-out, cubic-bezier(0.16, 1, 0.3, 1));
}

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

/* Counter animation (used by app.js) */
.stat__value, .theme-stat__value {
  font-variant-numeric: tabular-nums;
}

/* Underline reveal for nav links (handled in main.css) */

/* Hero scroll cue pulse */
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.hero__scroll-line::after {
  animation: scroll-pulse 2s var(--ease-in-out, cubic-bezier(0.65, 0, 0.35, 1)) infinite;
}

@keyframes scroll-pulse {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* Float animation for accent elements */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.float {
  animation: float 4s var(--ease-in-out, cubic-bezier(0.65, 0, 0.35, 1)) infinite;
}

/* Shimmer for active stat values */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.shimmer {
  background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.4) 50%, transparent 100%);
  background-size: 200% 100%;
  animation: shimmer 2s linear infinite;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-stagger > *, .reveal-left, .reveal-scale {
    opacity: 1;
    transform: none;
  }
}