/**
 * Page Transitions - Fade In/Out Effects
 * Include this on all pages for smooth transitions
 */

/* Page transition overlay */
.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--bg-primary, #0a0a0f);
  z-index: 99999;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-transition.fade-out {
  opacity: 0;
}

.page-transition.fade-in {
  opacity: 1;
}

/* Page content fade */
.page-content {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-content.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered content animation */
.page-content [data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-content.visible [data-animate] {
  opacity: 1;
  transform: translateY(0);
}

.page-content.visible [data-animate]:nth-child(1) {
  transition-delay: 0.1s;
}
.page-content.visible [data-animate]:nth-child(2) {
  transition-delay: 0.15s;
}
.page-content.visible [data-animate]:nth-child(3) {
  transition-delay: 0.2s;
}
.page-content.visible [data-animate]:nth-child(4) {
  transition-delay: 0.25s;
}
.page-content.visible [data-animate]:nth-child(5) {
  transition-delay: 0.3s;
}
.page-content.visible [data-animate]:nth-child(6) {
  transition-delay: 0.35s;
}

/* Scroll reveal animations */

/* Base state for all scroll-reveal elements */
[data-reveal] {
  opacity: 0;
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1), filter 0.6s
    cubic-bezier(0.4, 0, 0.2, 1);
}

/* Revealed state */
[data-reveal].revealed {
  opacity: 1;
  transform: none !important;
  filter: none !important;
}

/* Reveal from bottom (default) */
[data-reveal="up"],
[data-reveal] {
  transform: translateY(40px);
}

/* Reveal from top */
[data-reveal="down"] {
  transform: translateY(-40px);
}

/* Reveal from left */
[data-reveal="left"] {
  transform: translateX(-40px);
}

/* Reveal from right */
[data-reveal="right"] {
  transform: translateX(40px);
}

/* Reveal with scale */
[data-reveal="scale"] {
  transform: scale(0.9);
}

/* Reveal with scale up */
[data-reveal="scale-up"] {
  transform: scale(0.8) translateY(20px);
}

/* Reveal with fade only */
[data-reveal="fade"] {
  transform: none;
}

/* Reveal with blur */
[data-reveal="blur"] {
  transform: translateY(20px);
  filter: blur(10px);
}

/* Reveal with rotate */
[data-reveal="rotate"] {
  transform: translateY(30px) rotate(-3deg);
}

/* Staggered children reveal */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1), transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-reveal-stagger].revealed > *:nth-child(1) {
  transition-delay: 0.05s;
}
[data-reveal-stagger].revealed > *:nth-child(2) {
  transition-delay: 0.1s;
}
[data-reveal-stagger].revealed > *:nth-child(3) {
  transition-delay: 0.15s;
}
[data-reveal-stagger].revealed > *:nth-child(4) {
  transition-delay: 0.2s;
}
[data-reveal-stagger].revealed > *:nth-child(5) {
  transition-delay: 0.25s;
}
[data-reveal-stagger].revealed > *:nth-child(6) {
  transition-delay: 0.3s;
}
[data-reveal-stagger].revealed > *:nth-child(7) {
  transition-delay: 0.35s;
}
[data-reveal-stagger].revealed > *:nth-child(8) {
  transition-delay: 0.4s;
}
[data-reveal-stagger].revealed > *:nth-child(9) {
  transition-delay: 0.45s;
}
[data-reveal-stagger].revealed > *:nth-child(10) {
  transition-delay: 0.5s;
}
[data-reveal-stagger].revealed > *:nth-child(n + 11) {
  transition-delay: 0.55s;
}

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Custom delay modifiers */
[data-reveal-delay="100"] {
  transition-delay: 0.1s !important;
}
[data-reveal-delay="200"] {
  transition-delay: 0.2s !important;
}
[data-reveal-delay="300"] {
  transition-delay: 0.3s !important;
}
[data-reveal-delay="400"] {
  transition-delay: 0.4s !important;
}
[data-reveal-delay="500"] {
  transition-delay: 0.5s !important;
}
[data-reveal-delay="600"] {
  transition-delay: 0.6s !important;
}
[data-reveal-delay="700"] {
  transition-delay: 0.7s !important;
}
[data-reveal-delay="800"] {
  transition-delay: 0.8s !important;
}

/* Custom duration modifiers */
[data-reveal-duration="fast"] {
  transition-duration: 0.3s !important;
}
[data-reveal-duration="slow"] {
  transition-duration: 0.9s !important;
}
[data-reveal-duration="slower"] {
  transition-duration: 1.2s !important;
}

/* Hide on scroll out (bidirectional reveal) */
[data-reveal-hide].hidden {
  opacity: 0;
}
[data-reveal-hide][data-reveal="up"].hidden,
[data-reveal-hide].hidden {
  transform: translateY(40px);
}
[data-reveal-hide][data-reveal="down"].hidden {
  transform: translateY(-40px);
}
[data-reveal-hide][data-reveal="left"].hidden {
  transform: translateX(-40px);
}
[data-reveal-hide][data-reveal="right"].hidden {
  transform: translateX(40px);
}

/* Section-based reveals for common elements */
section,
.section,
article,
.card,
.project-card,
.stat-card,
.message-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

section.revealed,
.section.revealed,
article.revealed,
.card.revealed,
.project-card.revealed,
.stat-card.revealed,
.message-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Loading spinner (optional) */
.page-transition-spinner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  border: 3px solid rgba(99, 102, 241, 0.2);
  border-top-color: var(--accent, #6366f1);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-transition.navigating .page-transition-spinner {
  opacity: 1;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .page-transition,
  .page-content,
  .page-content [data-animate],
  [data-reveal],
  [data-reveal-stagger] > *,
  section,
  .section,
  article,
  .card,
  .project-card,
  .stat-card,
  .message-card {
    transition: none !important;
    transform: none !important;
    opacity: 1 !important;
    filter: none !important;
  }

  .page-transition-spinner {
    animation: none;
  }
}