/* ===== HERO ENTRANCE ===== */

.hero .hero-logo {
  opacity: 0;
  transform: scale(0.6) translateY(10px);
  animation: hero-pop 0.7s cubic-bezier(0.34, 1.56, 0.64, 1) 0.15s forwards;
}

.hero .hero-title {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-fade-up 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.4s forwards;
}

.hero .hero-subtitle {
  opacity: 0;
  transform: translateY(15px);
  animation: hero-fade-up 0.5s cubic-bezier(0.16, 1, 0.3, 1) 0.55s forwards;
}

.hero .chat-container {
  opacity: 0;
  transform: translateY(30px);
  animation: hero-fade-up 0.7s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

@keyframes hero-pop {
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

@keyframes hero-fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== SCROLL ANIMATIONS ===== */

.animate-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

.stagger-children .animate-on-scroll:nth-child(1) { transition-delay: 0.1s; }
.stagger-children .animate-on-scroll:nth-child(2) { transition-delay: 0.2s; }
.stagger-children .animate-on-scroll:nth-child(3) { transition-delay: 0.3s; }

/* ===== PARTICLE FLOAT ===== */

@keyframes float-particle {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% { opacity: 0.6; }
  90% { opacity: 0.6; }
  100% {
    transform: translateY(-20px) rotate(720deg);
    opacity: 0;
  }
}

/* ===== SCROLL INDICATOR ===== */

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  50% {
    transform: translateY(8px);
    opacity: 1;
  }
}

/* ===== TEXT SHIMMER ===== */

.hero-title .accent-text {
  background-size: 200% auto;
  animation: text-shimmer 3s linear infinite;
}

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

/* ===== CHECKBOX BOUNCE ===== */

@keyframes check-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.25); }
  100% { transform: scale(1); }
}

/* ===== SUCCESS PULSE ===== */

@keyframes success-pulse {
  0% { transform: scale(1); }
  40% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* ===== FEEDBACK SLIDE ===== */

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

/* ===== REDUCED MOTION ===== */

@media (prefers-reduced-motion: reduce) {
  .hero .hero-logo,
  .hero .hero-title,
  .hero .hero-subtitle,
  .hero .chat-container {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .animate-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .particle {
    display: none;
  }
}