/**
 * Modern Animations for British Motorcycles
 * Includes scroll-based animations, floating effects, and more
 */

/* Modern Background Styles */
body {
  background: linear-gradient(135deg, #f8f9fa 0%, #f1f3f5 100%);
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}

/* Background Gradient Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(ellipse at bottom right, rgba(32, 44, 100, 0.05) 0%, rgba(255, 255, 255, 0) 70%),
              radial-gradient(ellipse at top left, rgba(209, 31, 46, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
  pointer-events: none;
  z-index: -1;
}

/* Subtle Background Animation */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

/* Modern Scroll Animation - Swim Effect */
.swim-scroll {
  position: relative;
  will-change: transform;
  /* No transition by default - JS will add transitions when needed */
}

/* Child elements inside swim-scroll containers should inherit the effect */
.swim-scroll > img,
.swim-scroll > .card,
.swim-scroll > .content-block {
  will-change: transform;
}

/* Swim scroll container */
.swim-scroll-container {
  overflow: hidden;
  position: relative;
}

/* Swim scroll variants for manual application */
.swim-scroll-subtle {
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.swim-scroll-bouncy {
  transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.swim-scroll-elastic {
  transition: transform 0.5s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

/* Perspective container for 3D effects */
.perspective-container {
  perspective: 1000px;
  transform-style: preserve-3d;
}

/* Scroll-triggered animations */
.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Parallax scroll effect */
.parallax-scroll {
  transition: transform 0.1s cubic-bezier(0.33, 1, 0.68, 1);
  will-change: transform;
}

/* Smooth scrolling for the entire page */
html {
  scroll-behavior: smooth;
}

/* Modern hover effects */
.hover-float {
  transition: transform 0.3s ease;
}

.hover-float:hover {
  transform: translateY(-5px);
}

/* Subtle background pattern */
.bg-pattern {
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23202c64' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  background-attachment: fixed;
}

/* Scroll progress indicator */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  z-index: 9999;
  transition: width 0.1s ease;
}

/* Scroll-triggered rotation */
.rotate-on-scroll {
  transition: transform 0.5s ease;
}

/* Scroll-triggered scale */
.scale-on-scroll {
  transition: transform 0.5s ease;
}

/* Scroll-triggered tilt */
.tilt-on-scroll {
  transition: transform 0.5s ease;
}