/* Grid & Noise backgrounds */
.bg-grid {
  background-image: 
    linear-gradient(rgba(220, 215, 205, 0.4) 1px, transparent 1px),
    linear-gradient(90deg, rgba(220, 215, 205, 0.4) 1px, transparent 1px);
  background-size: 50px 50px;
  background-position: center center;
}

.bg-radial-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  z-index: 1;
}

/* Keyframes */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes scan-line {
  0% { top: 0%; opacity: 0.8; }
  50% { opacity: 0.8; }
  100% { top: 100%; opacity: 0; }
}

@keyframes star-burst {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); filter: drop-shadow(0 0 8px rgba(250, 204, 21, 0.6)); }
  100% { transform: scale(1); }
}

/* Animation Classes */
.animate-fade-in {
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }

/* Interactive Upload States */
.uploader-box {
  border: 2px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-secondary);
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.uploader-box.dragover, .uploader-box:hover {
  border-color: var(--accent-color);
  background-color: var(--bg-tertiary);
}

.uploader-box .scan-bar {
  display: none;
  position: absolute;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--text-primary), transparent);
  z-index: 5;
  animation: scan-line 2s linear infinite;
}

.uploader-box.scanning .scan-bar {
  display: block;
}

.uploader-progress {
  height: 4px;
  width: 0%;
  background: linear-gradient(90deg, #e8e4db, #1c1917, #e8e4db);
  background-size: 200% 200%;
  border-radius: 2px;
  margin-top: 1.5rem;
  transition: width 0.3s ease;
  animation: progressPulse 2s ease infinite;
}

/* Review Booster Slider Animation */
.booster-slider-container {
  margin: 2rem 0;
}

.slider-input {
  -webkit-appearance: none;
  width: 100%;
  height: 4px;
  border-radius: 2px;
  background: var(--border-color);
  outline: none;
  margin: 1.5rem 0;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-color);
  border: 2px solid var(--bg-primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.slider-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent-color);
  border: 2px solid var(--bg-primary);
  cursor: pointer;
  transition: transform 0.1s ease;
}

.slider-input::-moz-range-thumb:hover {
  transform: scale(1.2);
}

.animated-star {
  display: inline-block;
  color: #facc15;
}

.animated-star.burst {
  animation: star-burst 0.5s ease-out;
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Floating backdrop glow */
@keyframes floatGlow {
  0% { transform: translate(-50%, -50%) translate(0, 0); }
  50% { transform: translate(-50%, -50%) translate(60px, 40px) scale(1.1); }
  100% { transform: translate(-50%, -50%) translate(0, 0); }
}

.bg-radial-glow {
  animation: floatGlow 15s ease-in-out infinite;
}

/* Card hover movements */
.card, .pricing-card {
  position: relative;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.card:hover, .pricing-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-focus);
  box-shadow: 0 10px 30px -10px rgba(0,0,0,0.08);
}

/* Billing switch styles */
.billing-toggle-container {
  display: inline-flex;
  align-items: center;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 30px;
  padding: 0.25rem;
  margin: 0 auto 3rem auto;
  position: relative;
}

.billing-toggle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-heading);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.6rem 1.5rem;
  cursor: pointer;
  border-radius: 20px;
  transition: var(--transition-fast);
  z-index: 2;
  position: relative;
}

.billing-toggle-btn.active {
  color: var(--accent-contrast);
}

.billing-toggle-slider {
  position: absolute;
  top: 0.25rem;
  bottom: 0.25rem;
  left: 0.25rem;
  width: calc(50% - 0.25rem);
  background-color: var(--accent-color);
  border-radius: 20px;
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 1;
}

.billing-toggle-container.yearly-active .billing-toggle-slider {
  transform: translateX(100%);
}

.billing-savings-badge {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-success);
  background-color: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 0.25rem 0.6rem;
  border-radius: 12px;
  margin-left: 0.75rem;
  display: inline-flex;
  align-items: center;
  font-family: var(--font-heading);
}

/* Pricing numeric animation transition */
.price-value-ticker {
  transition: opacity 0.15s ease, transform 0.15s ease;
}

.price-value-ticker.fade-out {
  opacity: 0;
  transform: translateY(-10px);
}