/* Scroll-triggered animations - controlled by JS Intersection Observer */

.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delay classes */
.delay-1 { transition-delay: 100ms; }
.delay-2 { transition-delay: 200ms; }
.delay-3 { transition-delay: 300ms; }
.delay-4 { transition-delay: 400ms; }
.delay-5 { transition-delay: 500ms; }

/* Hero gradient background animation */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Subtle float for hero image */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* Nav background transition */
.nav {
  transition: background-color 0.3s ease, transform 0.3s ease, backdrop-filter 0.3s ease;
}

/* Card hover lift */
.feature-card,
.pricing-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
}

.pricing-card:hover {
  transform: translateY(-4px);
}

/* Gallery showcase hover zoom */
.gallery-showcase__item .img-placeholder {
  transition: transform 0.5s ease;
}

.gallery-showcase__item:hover .img-placeholder {
  transform: scale(1.05);
}

/* Image placeholder shimmer */
@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.img-placeholder {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.03) 25%,
    rgba(255, 255, 255, 0.08) 50%,
    rgba(255, 255, 255, 0.03) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}