/* =============================================
   FUNDACIÓ ESPURNA - Animations
   ============================================= */

/* Hero Staggered Animation - initial state */
.hero-animate {
  opacity: 0;
  transform: translateY(30px);
}

/* Scroll Reveal */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for grid items */
.reveal:nth-child(1) { transition-delay: 0ms; }
.reveal:nth-child(2) { transition-delay: 75ms; }
.reveal:nth-child(3) { transition-delay: 150ms; }
.reveal:nth-child(4) { transition-delay: 225ms; }
.reveal:nth-child(5) { transition-delay: 300ms; }
.reveal:nth-child(6) { transition-delay: 375ms; }
.reveal:nth-child(7) { transition-delay: 450ms; }
.reveal:nth-child(8) { transition-delay: 525ms; }

/* Scroll indicator animation */
@keyframes scrollBounce {
  0%, 100% {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
  }
  50% {
    transform: translateX(-50%) translateY(10px);
    opacity: 0.3;
  }
}

/* Fade in up */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Fade in */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* Scale in */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Slide in from left */
@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Slide in from right */
@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Pulse animation for CTAs */
@keyframes pulse {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.02);
  }
}

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

/* Underline grow */
@keyframes underlineGrow {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* Shimmer effect for loading states */
@keyframes shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

/* Rotation */
@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* Utility animation classes */
.animate-fade-in {
  animation: fadeIn 0.5s ease forwards;
}

.animate-fade-in-up {
  animation: fadeInUp 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease forwards;
}

.animate-slide-left {
  animation: slideInLeft 0.5s ease forwards;
}

.animate-slide-right {
  animation: slideInRight 0.5s ease forwards;
}

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

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

/* Animation delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* Transition utilities */
.transition-fast {
  transition: all 0.2s ease;
}

.transition-base {
  transition: all 0.3s ease;
}

.transition-smooth {
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.transition-slow {
  transition: all 0.6s ease;
}

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

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
}

.hover-scale {
  transition: transform 0.3s ease;
}

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

/* Image hover zoom */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform 0.5s ease;
}

.img-zoom:hover img {
  transform: scale(1.08);
}

/* Link underline animation */
.link-underline {
  position: relative;
}

.link-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s ease;
}

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

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .hero-animate {
    opacity: 1;
    transform: none;
  }
}