/* ============================================
   ANIMATIONS & TRANSITIONS
   ============================================ */

/* Scroll-based animations */
.animate-on-scroll {
  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);
}

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

/* Stagger children */
.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }
.animate-on-scroll:nth-child(5) { transition-delay: 0.4s; }
.animate-on-scroll:nth-child(6) { transition-delay: 0.5s; }

/* Hero animations */
.animate-fade-up {
  opacity: 0;
  transform: translateY(40px);
  animation: fadeUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Particle animation */
.particle {
  position: absolute;
  width: 2px;
  height: 2px;
  background: var(--accent-gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 6s infinite;
}

@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 0.6;
  }
  90% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translateY(-100px) scale(1);
  }
}

/* Card hover glow */
.car-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  padding: 1px;
  background: linear-gradient(135deg, transparent 40%, rgba(144, 172, 50, 0.3) 50%, transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.5s;
}

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

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

.btn-primary {
  position: relative;
  overflow: hidden;
}

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

/* Navbar animation */
.navbar {
  animation: navSlideDown 0.5s ease forwards;
}

@keyframes navSlideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Step card hover effect */
.step-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  background: radial-gradient(circle at 50% 0%, rgba(144, 172, 50, 0.06) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.5s;
}

.step-card:hover::after {
  opacity: 1;
}

/* Smooth page transitions */
.page-transition-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-transition-active {
  opacity: 1;
  transform: translateY(0);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Floating animation for decorative elements */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-10px) rotate(1deg); }
  66% { transform: translateY(5px) rotate(-1deg); }
}

/* Counter animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Gradient border animation */
@keyframes gradientRotate {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Loading shimmer for cards */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hover) 50%, var(--bg-card) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Smooth scroll indicator pulse */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(144, 172, 50, 0.4); }
  50% { box-shadow: 0 0 0 10px rgba(144, 172, 50, 0); }
}

/* Mobile menu animation */
.nav-links.active .nav-link {
  animation: slideIn 0.3s ease forwards;
  opacity: 0;
}

.nav-links.active .nav-link:nth-child(1) { animation-delay: 0.05s; }
.nav-links.active .nav-link:nth-child(2) { animation-delay: 0.1s; }
.nav-links.active .nav-link:nth-child(3) { animation-delay: 0.15s; }
.nav-links.active .nav-link:nth-child(4) { animation-delay: 0.2s; }
.nav-links.active .nav-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Hover scale for interactive elements */
.interactive-hover {
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.interactive-hover:hover {
  transform: scale(1.02);
}

/* Text reveal animation */
@keyframes textReveal {
  from {
    clip-path: inset(0 100% 0 0);
  }
  to {
    clip-path: inset(0 0 0 0);
  }
}

/* Smooth underline effect */
.smooth-underline {
  position: relative;
}

.smooth-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.smooth-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}