/* ═══════════════════════════
   KEYFRAMES
═══════════════════════════ */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

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

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1); }
}

@keyframes gradientShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes pageLoad {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4), 0 0 0 0 rgba(37,211,102,0.4); }
  50%       { box-shadow: 0 4px 16px rgba(37,211,102,0.4), 0 0 0 12px rgba(37,211,102,0); }
}

/* ═══════════════════════════
   REVEAL ON SCROLL
═══════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }

/* ═══════════════════════════
   SCROLL INDICATOR
═══════════════════════════ */
.hero__scroll-indicator {
  animation: bounceDown 2s ease-in-out infinite;
}

/* ═══════════════════════════
   HERO BG
═══════════════════════════ */
.hero__bg {
  animation: heroZoom 8s ease-out forwards;
}

/* Class slot stagger */
.class-slot:nth-child(1) { transition-delay: 50ms; }
.class-slot:nth-child(2) { transition-delay: 100ms; }
.class-slot:nth-child(3) { transition-delay: 150ms; }
.class-slot:nth-child(4) { transition-delay: 200ms; }
.class-slot:nth-child(5) { transition-delay: 250ms; }
.class-slot:nth-child(6) { transition-delay: 300ms; }
.class-slot:nth-child(7) { transition-delay: 350ms; }
.class-slot:nth-child(8) { transition-delay: 400ms; }