/* Smooth Animations */

/* Enable hardware acceleration for smoother animations */
* {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Page Transition Overlay - Liquid Curtain */
.page-transition-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 99999;
  pointer-events: none;
  overflow: hidden;
}

.page-transition-overlay svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.page-transition-overlay path {
  fill: #000000;
  transform-origin: center;
}

.page-transition-overlay.active path {
  animation: liquidCurtain var(--transition-base) forwards;
}

@keyframes liquidCurtain {
  0% {
    d: path('M 0 100 V 100 Q 50 100 100 100 V 100 z');
  }
  30% {
    d: path('M 0 100 V 50 Q 50 0 100 50 V 100 z');
  }
  50% {
    d: path('M 0 100 V 0 Q 50 0 100 0 V 100 z');
  }
  100% {
    d: path('M 0 0 V 0 Q 50 0 100 0 V 0 z');
  }
}

/* Page Load States */
body {
  opacity: 0;
  transition: opacity var(--transition-base);
}

body.page-ready {
  opacity: 1;
}

body.page-loaded {
  opacity: 1;
}

/* Fade out effect for current page */
body.transitioning-out main,
body.transitioning-out .hero,
body.transitioning-out header {
  animation: fadeOutStagger var(--transition-fast) forwards;
}

@keyframes fadeOutStagger {
  to {
    opacity: 0;
    transform: translateY(-10px) scale(0.98);
    filter: blur(4px);
  }
}

/* Content Fade In on Page Load */
main,
.hero,
.container {
  animation: contentReveal var(--transition-base) forwards;
  animation-delay: 0.15s;
  opacity: 0;
}

body.page-loaded main,
body.page-loaded .hero,
body.page-loaded .container {
  opacity: 1;
  animation: none;
}

@keyframes contentReveal {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.99);
    filter: blur(6px);
  }
  60% {
    opacity: 0.95;
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0);
  }
}

/* Stagger animation for sections */
section {
  animation: sectionReveal var(--transition-base) forwards;
  opacity: 0;
}

section:nth-child(1) { animation-delay: 0.4s; }
section:nth-child(2) { animation-delay: 0.5s; }
section:nth-child(3) { animation-delay: 0.6s; }
section:nth-child(4) { animation-delay: 0.7s; }

@keyframes sectionReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Main content transition wrapper */
.page-content-wrapper {
  transition: opacity var(--transition-base), transform var(--transition-base);
}

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateZ(0) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateZ(0) scale(1);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translate3d(0, 30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translate3d(0, -30px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-fast) forwards;
  will-change: opacity, transform;
}

.animate-fade-in-up {
  animation: fadeInUp var(--transition-fast) forwards;
  will-change: opacity, transform;
}

.animate-fade-in-down {
  animation: fadeInDown var(--transition-fast) forwards;
  will-change: opacity, transform;
}

/* Delays */
.delay-100 {
  animation-delay: 0.1s;
}

.delay-200 {
  animation-delay: 0.2s;
}

.delay-300 {
  animation-delay: 0.3s;
}

.delay-400 {
  animation-delay: 0.4s;
}

.delay-500 {
  animation-delay: 0.5s;
}

.delay-600 {
  animation-delay: 0.6s;
}

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

@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;
  }
}

/* Scroll Reveal */
.scroll-reveal {
  opacity: 0;
  transform: translate3d(0, 20px, 0);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth);
  will-change: opacity, transform;
}

.scroll-reveal.revealed {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* Hover States */
.hover-opacity {
  transition: opacity var(--transition-fast);
}

.hover-opacity:hover {
  opacity: 0.6;
}