/* ============================================
   ANIMATIONS — Keyframes + Reveal + Stagger
   ============================================ */

/* ---- KEYFRAMES ---- */

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(3deg);
  }
  50% {
    transform: translateY(-15px) rotate(1deg);
  }
}

@keyframes float-alt {
  0%, 100% {
    transform: translateY(0) rotate(-5deg);
  }
  50% {
    transform: translateY(-12px) rotate(-8deg);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(50px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes rotateIn {
  from {
    opacity: 0;
    transform: rotate(-8deg) scale(0.9);
  }
  to {
    opacity: 1;
    transform: rotate(0) scale(1);
  }
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
}

/* Scroll hint bounce */
@keyframes bounceDown {
  0%, 20%, 50%, 80%, 100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(10px);
  }
  60% {
    transform: translateX(-50%) translateY(5px);
  }
}

/* Shimmer for highlight text */
@keyframes shimmer {
  0% {
    background-size: 0% 100%;
  }
  100% {
    background-size: 100% 100%;
  }
}

/* Marquee infinite scroll */
@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* WhatsApp float entrance */
@keyframes whatsappIn {
  from {
    opacity: 0;
    transform: scale(0) translateY(20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Glow pulse for WhatsApp button */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.65);
  }
}

/* Counter pop */
@keyframes counterPop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
  100% {
    transform: scale(1);
  }
}


/* ---- SCROLL REVEAL CLASSES ---- */
/* Initial hidden state */
.reveal-up,
.reveal-left,
.reveal-right,
.reveal-scale,
.reveal-rotate {
  opacity: 0;
  transition: all var(--duration-slow) var(--ease-out);
  will-change: opacity, transform;
}

.reveal-up {
  transform: translateY(40px);
}

.reveal-left {
  transform: translateX(-50px);
}

.reveal-right {
  transform: translateX(50px);
}

.reveal-scale {
  transform: scale(0.85);
}

.reveal-rotate {
  transform: rotate(-5deg) scale(0.9);
}

/* Revealed state (toggled by JS) */
.revealed {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1) rotate(0deg);
}


/* ---- STAGGER SYSTEM ---- */
/* Children of .stagger start hidden and animate in when parent gets .revealed */
.stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--duration-mid) var(--ease-out),
              transform var(--duration-mid) var(--ease-out);
}

/* Trigger: parent with .stagger gets .revealed directly */
.stagger.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Trigger: ancestor has .revealed and descendant is .stagger */
.revealed .stagger > * {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays — snappy 80ms intervals */
.stagger > *:nth-child(1) { transition-delay: 80ms; }
.stagger > *:nth-child(2) { transition-delay: 160ms; }
.stagger > *:nth-child(3) { transition-delay: 240ms; }
.stagger > *:nth-child(4) { transition-delay: 320ms; }
.stagger > *:nth-child(5) { transition-delay: 400ms; }
.stagger > *:nth-child(6) { transition-delay: 480ms; }
.stagger > *:nth-child(7) { transition-delay: 560ms; }
.stagger > *:nth-child(8) { transition-delay: 640ms; }


/* ---- HERO ENTRANCE (page load, not scroll) ---- */
.hero-enter .hero__illus img {
  animation: scaleIn 0.7s var(--ease-bounce) 0.1s both,
             float 6s ease-in-out 1s infinite;
}

.hero-enter .hero__headline {
  animation: fadeInUp 0.8s var(--ease-out) 0.25s both;
}

.hero-enter .hero__subtitle {
  animation: fadeInUp 0.8s var(--ease-out) 0.45s both;
}

.hero-enter .hero__cta {
  animation: fadeInUp 0.8s var(--ease-out) 0.6s both;
}

.hero-enter .hero__scroll-hint {
  animation: fadeInUp 0.6s var(--ease-out) 1s both;
}


/* ---- HIGHLIGHT SHIMMER ---- */
/* Highlights animate their background-size when revealed */
.reveal-up .highlight,
.reveal-right .highlight,
.reveal-left .highlight,
.revealed .highlight {
  animation: shimmer 0.8s var(--ease-out) 0.3s both;
}


/* ---- WHATSAPP FLOAT GLOW ---- */
.whatsapp-float.visible {
  animation: glowPulse 3s ease-in-out infinite;
}


/* ---- COUNTER POP ---- */
.text-counter.counted {
  animation: counterPop 0.4s var(--ease-bounce) both;
}


/* ---- REDUCED MOTION ---- */
@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-up,
  .reveal-left,
  .reveal-right,
  .reveal-scale,
  .reveal-rotate {
    opacity: 1 !important;
    transform: none !important;
  }

  .stagger > * {
    opacity: 1 !important;
    transform: none !important;
    transition-delay: 0ms !important;
  }

  .hero__illus img,
  .about__illus-deco,
  .about__speech-bubble {
    animation: none !important;
  }

  .marquee__track {
    animation: none !important;
  }

  /* Show WhatsApp float immediately */
  .whatsapp-float {
    opacity: 1 !important;
    transform: scale(1) translateY(0) !important;
  }
}