/* ============ CORE ANIMATIONS ============ */

/* Floating blobs */
@keyframes float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-30px) scale(1.05); }
}

@keyframes floatDelayed {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(20px) scale(1.08); }
}

@keyframes pulseSlow {
  0%, 100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.5; transform: translate(-50%, -50%) scale(1.15); }
}

.animate-float { animation: float 8s ease-in-out infinite; }
.animate-float-delayed { animation: floatDelayed 10s ease-in-out infinite; }
.animate-pulse-slow { animation: pulseSlow 6s ease-in-out infinite; }

/* ============ SCROLL ANIMATIONS ============ */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ============ GLASSMORPHISM CARDS ============ */
.glass-card {
  background: rgba(22, 24, 34, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease;
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.1);
}

/* ============ PAIN CARDS ============ */
.pain-card {
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), 
              box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1),
              border-color 0.3s ease;
  border: 1px solid rgba(239, 68, 68, 0.08);
  box-shadow: 0 0 20px -8px rgba(239, 68, 68, 0.06);
}

.pain-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(0, 0, 0, 0.5),
              0 0 30px -5px rgba(239, 68, 68, 0.12);
  border-color: rgba(239, 68, 68, 0.2);
}

/* ============ CTA GLOW EFFECT ============ */
.cta-glow {
  position: relative;
  overflow: hidden;
}

.cta-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% { left: -100%; }
  50%, 100% { left: 100%; }
}

/* ============ NAVBAR ============ */
.navbar-scrolled {
  background: rgba(10, 10, 15, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

/* ============ FAQ ============ */
.faq-item .faq-toggle:hover {
  background: rgba(59, 206, 153, 0.03);
}

.faq-item.open .faq-toggle i {
  transform: rotate(180deg);
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-content.show {
  max-height: 200px;
}

/* ============ DEMO TABS ============ */
.demo-tab.active {
  color: #3bce99;
  border-bottom-color: #17b37e;
  background: rgba(30, 32, 48, 0.5);
}

.demo-panel {
  display: none;
}

.demo-panel.active {
  display: block;
}

/* ============ CHAT TYPING INDICATOR ============ */
.typing-indicator {
  display: inline-flex;
  gap: 4px;
  padding: 8px 16px;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  background: #4b5563;
  border-radius: 50%;
  animation: typingBounce 1.4s infinite;
}

.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-8px); }
}

/* ============ SMOOTH SCROLLING ============ */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* ============ SELECTION ============ */
::selection {
  background: rgba(59, 206, 153, 0.3);
  color: #ffffff;
}

/* ============ SCROLLBAR ============ */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #0a0a0f;
}

::-webkit-scrollbar-thumb {
  background: #282a3a;
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: #363849;
}