/* ═══════════════════════════════════════════════════════════
   ANIMATIONS.CSS — Keyframes & Scroll-Reveal Utilities
════════════════════════════════════════════════════════════ */

/* WhatsApp pulse ring */
@keyframes waPulse {
  0%   { transform: scale(1);   opacity: .65; }
  100% { transform: scale(1.85); opacity: 0;   }
}

/* Generic fade-up */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(40px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* Generic fade */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* Hero text entry */
@keyframes heroEnter {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0);    }
}

/* Scroll indicator line pulse */
@keyframes scrollPulse {
  0%, 100% { transform: scaleY(1);   opacity: .9; }
  50%       { transform: scaleY(.45); opacity: .3; }
}

/* Counter shimmer (background placeholder) */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}

/* ── Scroll-reveal classes ─────────────────────────────── */
/* Applied to elements; .visible class added by IntersectionObserver */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .7s cubic-bezier(.4,0,.2,1),
              transform .7s cubic-bezier(.4,0,.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity .75s cubic-bezier(.4,0,.2,1),
              transform .75s cubic-bezier(.4,0,.2,1);
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity .75s cubic-bezier(.4,0,.2,1),
              transform .75s cubic-bezier(.4,0,.2,1);
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Stagger delays for grid children */
.products-grid .product-card:nth-child(1) { transition-delay: 0ms;   }
.products-grid .product-card:nth-child(2) { transition-delay: 90ms;  }
.products-grid .product-card:nth-child(3) { transition-delay: 180ms; }
.products-grid .product-card:nth-child(4) { transition-delay: 270ms; }
.products-grid .product-card:nth-child(5) { transition-delay: 360ms; }
.products-grid .product-card:nth-child(6) { transition-delay: 450ms; }