/* ============================================================
   Animations - 5Bot
   ============================================================ */

/* --- Scroll-triggered fade/slide animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.features-grid .fade-up:nth-child(1) { transition-delay: 0s; }
.features-grid .fade-up:nth-child(2) { transition-delay: 0.08s; }
.features-grid .fade-up:nth-child(3) { transition-delay: 0.16s; }
.features-grid .fade-up:nth-child(4) { transition-delay: 0.24s; }
.features-grid .fade-up:nth-child(5) { transition-delay: 0.32s; }

.pricing-grid .fade-up:nth-child(1) { transition-delay: 0s; }
.pricing-grid .fade-up:nth-child(2) { transition-delay: 0.1s; }
.pricing-grid .fade-up:nth-child(3) { transition-delay: 0.2s; }

.testimonials-grid .fade-up:nth-child(1) { transition-delay: 0s; }
.testimonials-grid .fade-up:nth-child(2) { transition-delay: 0.1s; }
.testimonials-grid .fade-up:nth-child(3) { transition-delay: 0.2s; }

.steps .fade-up:nth-child(1) { transition-delay: 0s; }
.steps .fade-up:nth-child(2) { transition-delay: 0.1s; }
.steps .fade-up:nth-child(3) { transition-delay: 0.2s; }
.steps .fade-up:nth-child(4) { transition-delay: 0.3s; }
.steps .fade-up:nth-child(5) { transition-delay: 0.4s; }

/* --- Hero entrance --- */
.hero .fade-up:nth-child(1) { transition-delay: 0.1s; }
.hero .fade-up:nth-child(2) { transition-delay: 0.2s; }
.hero .fade-up:nth-child(3) { transition-delay: 0.3s; }
.hero .fade-up:nth-child(4) { transition-delay: 0.4s; }
.hero .fade-up:nth-child(5) { transition-delay: 0.5s; }
.hero .fade-up:nth-child(6) { transition-delay: 0.6s; }

/* --- Float animation for hero mockup --- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero-chat-demo {
  animation: float 6s ease-in-out infinite;
}

/* --- Glow pulse --- */
@keyframes glow-pulse {
  0%, 100% { opacity: 0.15; transform: scale(1); }
  50% { opacity: 0.25; transform: scale(1.05); }
}

.hero-glow-1 {
  animation: glow-pulse 8s ease-in-out infinite;
}

.hero-glow-2 {
  animation: glow-pulse 10s ease-in-out infinite 2s;
}

/* --- Button hover ripple --- */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--x, 50%) var(--y, 50%), rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-primary:hover::after {
  opacity: 1;
}

/* --- Feature card shimmer on hover --- */
.feature-card {
  position: relative;
}

.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.08),
    transparent
  );
  transition: none;
}

.feature-card:hover::after {
  animation: shimmer 0.8s ease-out;
}

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

/* --- Pricing card featured glow --- */
.pricing-card-featured {
  position: relative;
}

.pricing-card-featured::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: var(--gradient-primary);
  z-index: -1;
  opacity: 0.12;
  filter: blur(16px);
  animation: card-glow 3s ease-in-out infinite;
}

@keyframes card-glow {
  0%, 100% { opacity: 0.12; }
  50% { opacity: 0.2; }
}

/* --- Counter number animation (handled via JS, this smooths transition) --- */
.hero-stat-num {
  transition: none;
}

/* --- Chat widget bounce entrance --- */
@keyframes bounce-in {
  0% { transform: scale(0); opacity: 0; }
  50% { transform: scale(1.15); }
  70% { transform: scale(0.95); }
  100% { transform: scale(1); opacity: 1; }
}

.chat-widget-btn {
  animation: bounce-in 0.6s cubic-bezier(0.16, 1, 0.3, 1) 1.5s both;
}

/* --- Chat widget notification pulse --- */
@keyframes notification-pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.5); }
  70% { box-shadow: 0 0 0 14px rgba(37, 99, 235, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 99, 235, 0); }
}

.chat-widget-btn:not(.chat-widget.open .chat-widget-btn) {
  animation: bounce-in 0.6s cubic-bezier(0.16, 1, 0.3, 1) 1.5s both,
             notification-pulse 2.5s ease-in-out 3s 3;
}

/* --- Chat message appear --- */
@keyframes msg-appear {
  0% {
    opacity: 0;
    transform: translateY(12px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.chat-widget-msg {
  animation: msg-appear 0.35s ease-out both;
}

/* --- Step icon hover --- */
.step-icon {
  transition: all 0.3s ease;
}

.step:hover .step-icon {
  transform: scale(1.08);
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.15);
  border-color: var(--color-primary-light);
}

/* --- Testimonial card gradient border on hover --- */
.testimonial-card {
  position: relative;
}

.testimonial-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  opacity: 0;
  transition: opacity 0.3s;
}

.testimonial-card:hover::before {
  opacity: 1;
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-up {
    opacity: 1;
    transform: none;
  }

  .hero-chat-demo {
    animation: none;
  }
}