body { font-family: 'Inter', sans-serif; }
.heading { font-family: 'Space Grotesk', sans-serif; }

/* Hero Advanced: Parallax + Multi-Layer Gradient + Particle System */
.hero-bg { position: relative; background: linear-gradient(135deg, #f3e8ff, #e0f2fe, #f3e8ff); background-size: 400% 400%; animation: gradientShift 15s ease infinite; overflow: hidden; }
@keyframes gradientShift { 0% {background-position:0% 50%} 50% {background-position:100% 50%} 100% {background-position:0% 50%} }
.particles { position: absolute; top: 0; left: 0; width: 100%; height: 100%; pointer-events: none; }
.particle { position: absolute; border-radius: 50%; animation: floatParticle 10s infinite linear; opacity: 0.2; }
@keyframes floatParticle { 0% {transform: translateY(100vh) rotate(0deg);} 100% {transform: translateY(-100vh) rotate(360deg);} }

/* Neon Glow + 3D Tilt + Shine */
.neon-glow { box-shadow: 0 0 30px rgba(168, 85, 247, 0.5); }
.card-tilt { transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1); transform-style: preserve-3d; perspective: 1000px; }
.card-tilt:hover { transform: rotateX(5deg) rotateY(5deg) scale(1.05); }
.shine { position: relative; overflow: hidden; }
.shine::after { content:''; position:absolute; top:-50%; left:-50%; width:40%; height:200%; background: linear-gradient(120deg, transparent, rgba(255,255,255,0.8), transparent); transform: skewX(-25deg); animation: shine 3s infinite; }
@keyframes shine { 0% {left:-50%} 100% {left:150%} }

/* Float + Pulse */
.float { animation: float 6s ease-in-out infinite; }
@keyframes float { 0%,100% {transform:translateY(0)} 50% {transform:translateY(-25px)} }
.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% {transform:scale(1);} 50% {transform:scale(1.05);} }
.scale-pulse-continuous { animation: scalePulse 1.5s ease-in-out infinite; }
@keyframes scalePulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

/* Parallax Effect */
.parallax { position: relative; }
.parallax-bg { position: absolute; top: -20%; left: 0; width: 100%; height: 140%; background-size: cover; background-position: center; transform: translateY(var(--parallax-y, 0)); transition: transform 0.1s; }

/* Timeline Advanced: Interactive with Progress Bar */
.timeline { position: relative; }
.timeline::before { content: ''; position: absolute; top: 0; left: 50%; width: 4px; height: 100%; background: linear-gradient(to bottom, #a855f7, transparent); transform: translateX(-50%); }
.timeline-item { position: relative; }
.timeline-dot { position: absolute; left: 50%; top: 50%; width: 24px; height: 24px; background: #a855f7; border-radius: 50%; transform: translate(-50%, -50%); box-shadow: 0 0 20px rgba(168,85,247,0.5); }
.timeline-item:hover .timeline-dot { animation: pulse 1s infinite; }

/* Video 16:9 aspect ratio */
.video-16-9 { aspect-ratio: 16/9; width: 100%; object-fit: contain; }

/* Testimonials: 1 full + half next visible, continuous infinite scroll */
.testimonial-slide { flex: 0 0 66.666%; min-width: 66.666%; }
.testimonials-track {
  display: flex;
  width: 100%;
  animation: testimonialsScroll 30s linear infinite;
}
@keyframes testimonialsScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-266.666%); }
}

/* Pricing Advanced: Toggle + Feature Comparison */
.toggle { position: relative; display: inline-flex; background: #f3e8ff; border-radius: 50px; padding: 4px; }
.toggle-btn { padding: 12px 24px; border-radius: 50px; transition: 0.3s; cursor: pointer; }
.toggle-active { background: white; box-shadow: 0 4px 15px rgba(0,0,0,0.1); }
.feat-new { color: #a855f7; font-weight: 700; background: rgba(168,85,247,0.15); padding: 0 4px; border-radius: 4px; font-size: 0.75em; }
.pricing-features-wrap { position: relative; }
.pricing-features-more { max-height: 0; overflow: hidden; transition: max-height 0.3s ease; }
.pricing-card.expanded .pricing-features-more { max-height: 500px; }
.pricing-features-fade {
  position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(to top, rgba(255,255,255,0.95), transparent);
  backdrop-filter: blur(2px); -webkit-backdrop-filter: blur(2px);
  pointer-events: none; transition: opacity 0.3s ease;
}
.pricing-card.expanded .pricing-features-fade { opacity: 0; pointer-events: none; }
.pricing-toggle-btn { cursor: pointer; border: none; border-radius: 0; background: none; padding: 0; }
.compare-table tbody tr:nth-child(even) { background: #faf5ff; }
.compare-table tbody tr:nth-child(odd) { background: #fff; }
.compare-table tbody tr:hover { background: #f3e8ff !important; }

/* FAQ Advanced: Searchable + Expand All */
.faq-search { background: white; border: 1px solid #e5e7eb; border-radius: 12px; padding: 12px 20px; display: block; }
.faq-search:focus { outline: none; border-color: #a855f7; box-shadow: 0 0 0 3px rgba(168,85,247,0.2); }
#faq details { transition: all 0.3s; }
#faq details[open] summary { color: #a855f7; }

/* Footer Advanced: Newsletter + Social Icons with Hover */
.social-icon { transition: transform 0.3s; }
.social-icon:hover { transform: translateY(-5px); }