/* ============================================
   CZ Supply — Animations
   ============================================ */

/* --- Keyframes --- */

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

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

@keyframes fadeRight {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* --- Scroll-triggered animations --- */

.anim {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

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

.anim-fade {
  opacity: 0;
  transition: opacity var(--dur-slow) var(--ease-out);
}

.anim-fade.is-visible {
  opacity: 1;
}

.anim-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

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

.anim-right {
  opacity: 0;
  transform: translateX(-24px);
  transition: opacity var(--dur-slow) var(--ease-out),
              transform var(--dur-slow) var(--ease-out);
}

.anim-right.is-visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays for children */
.stagger > :nth-child(1) { transition-delay: 0ms; }
.stagger > :nth-child(2) { transition-delay: 80ms; }
.stagger > :nth-child(3) { transition-delay: 160ms; }
.stagger > :nth-child(4) { transition-delay: 240ms; }
.stagger > :nth-child(5) { transition-delay: 320ms; }
.stagger > :nth-child(6) { transition-delay: 400ms; }
.stagger > :nth-child(7) { transition-delay: 480ms; }
.stagger > :nth-child(8) { transition-delay: 560ms; }

/* --- Hover effects --- */

.hover-lift {
  transition: transform var(--dur-fast) var(--ease-out),
              box-shadow var(--dur-fast) var(--ease-out);
}

.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.hover-zoom {
  overflow: hidden;
}

.hover-zoom img {
  transition: transform var(--dur-med) var(--ease-out);
}

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

/* --- Announcement marquee --- */

.marquee-track {
  display: flex;
  animation: marquee 30s linear infinite;
  white-space: nowrap;
}

.marquee-track:hover {
  animation-play-state: paused;
}

/* --- Page load hero animation --- */

.hero-title {
  animation: fadeUp 0.8s var(--ease-out) 0.2s both;
}

.hero-subtitle {
  animation: fadeUp 0.8s var(--ease-out) 0.4s both;
}

.hero-cta {
  animation: fadeUp 0.8s var(--ease-out) 0.6s both;
}

/* --- Chevron bounce --- */

.scroll-hint {
  animation: bounce 2s ease-in-out infinite;
}