/**
 * Landing Page Styles
 * Animations, transitions, and responsive design for landing page
 */

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

@keyframes float {
  0%, 100% {
    transform: translateY(0px);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes bounce-slow {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
  }
  50% {
    box-shadow: 0 0 20px 10px rgba(99, 102, 241, 0);
  }
}

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

/* Animation Classes */
.animate-fadeIn {
  animation: fadeIn 0.6s ease-out forwards;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-bounce-slow {
  animation: bounce-slow 2s ease-in-out infinite;
}

.animate-shake {
  animation: shake 0.3s ease-in-out;
}

.animate-slide-up {
  animation: slide-up 0.6s ease-out forwards;
}

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

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 3s ease infinite;
}

/* Glass Morphism */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.glass-dark {
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Hover Effects */
.hover-lift {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.hover-glow:hover {
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

/* Hero Section Enhancements */
.hero-gradient {
  background: linear-gradient(135deg, #eff6ff 0%, #eef2ff 50%, #fdf4ff 100%);
  position: relative;
  overflow: hidden;
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.1) 0%, transparent 70%);
  animation: gradient-shift 15s linear infinite;
}

/* Feature Card Stagger Animation */
.feature-card {
  opacity: 0;
  animation: fadeIn 0.6s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

/* Button Enhancements */
.btn-primary {
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}

.btn-primary::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
  width: 300px;
  height: 300px;
}

.btn-primary:active {
  transform: scale(0.95);
}

/* Testimonial Cards */
.testimonial-card {
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Stats Counter Effect */
.stat-value {
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}

/* CTA Section Pulse */
.cta-pulse {
  animation: pulse-glow 3s ease-in-out infinite;
}

/* Mobile Optimizations */
@media (max-width: 640px) {
  .hero-gradient::before {
    animation: gradient-shift 10s linear infinite;
  }

  .feature-card {
    animation-delay: 0s !important;
  }

  .glass {
    background: rgba(255, 255, 255, 0.95);
  }

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

/* Tablet Optimizations */
@media (min-width: 641px) and (max-width: 1024px) {
  .hero-gradient {
    padding: 2rem 1rem;
  }

  .feature-card:nth-child(n+7) {
    animation-delay: 0.7s;
  }
}

/* Desktop Enhancements */
@media (min-width: 1025px) {
  .parallax-bg {
    background-attachment: fixed;
    background-size: cover;
    background-position: center;
  }

  /* Smooth scroll behavior */
  html {
    scroll-behavior: smooth;
  }

  /* Enhanced hover states for desktop */
  .interactive-card {
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .interactive-card:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: 0 30px 60px -12px rgba(0, 0, 0, 0.3);
  }
}

/* Loading States */
.skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
}

@keyframes skeleton-loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* Focus States for Accessibility */
.focus-ring:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

.focus-ring:focus:not(:focus-visible) {
  outline: none;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .glass {
    background: rgba(255, 255, 255, 0.95);
    border: 2px solid #000;
  }

  .gradient-text {
    -webkit-text-fill-color: #000;
  }
}

/* Dark Mode Support (Future Enhancement) */
@media (prefers-color-scheme: dark) {
  .hero-gradient {
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #475569 100%);
  }

  .glass {
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }

  .hero-gradient {
    background: white !important;
  }

  * {
    animation: none !important;
    transition: none !important;
  }
}