/* =============================================
   ENTERPRISE-GRADE UI ANIMATIONS & EFFECTS
   Premium, Corporate, Accessible
   ============================================= */

/* ==========================================
   1. SCROLL-TRIGGERED ANIMATIONS
   ========================================== */

/* Base state for animated elements */
.animate-on-scroll {
    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);
}

/* Visible state */
.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Slide from left */
.slide-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Slide from right */
.slide-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Fade in only (no movement) */
.fade-in {
    opacity: 0;
    transition: opacity 0.8s ease-out;
}

.fade-in.visible {
    opacity: 1;
}

/* Scale up subtle effect */
.scale-in {
    opacity: 0;
    transform: scale(0.95);
    transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ==========================================
   2. STAGGERED ANIMATIONS FOR GRIDS/LISTS
   ========================================== */

/* Delay classes for staggered effect */
.stagger-delay-1 {
    transition-delay: 0.1s;
}

.stagger-delay-2 {
    transition-delay: 0.2s;
}

.stagger-delay-3 {
    transition-delay: 0.3s;
}

.stagger-delay-4 {
    transition-delay: 0.4s;
}

.stagger-delay-5 {
    transition-delay: 0.5s;
}

.stagger-delay-6 {
    transition-delay: 0.6s;
}

/* ==========================================
   3. PREMIUM HOVER EFFECTS
   ========================================== */

/* Smooth lift on hover (for cards) */
.hover-lift {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(15, 44, 74, 0.15);
}

/* Subtle glow effect */
.hover-glow {
    position: relative;
    transition: box-shadow 0.3s ease;
}

.hover-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--accent-orange), var(--secondary-blue));
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
    filter: blur(10px);
}

.hover-glow:hover::before {
    opacity: 0.3;
}

/* ==========================================
   4. LOADING STATES (PREMIUM)
   ========================================== */

/* Skeleton loader for text */
.skeleton-text {
    background: linear-gradient(90deg,
            #f0f0f0 0%,
            #e8e8e8 50%,
            #f0f0f0 100%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.8s ease-in-out infinite;
    border-radius: 4px;
    color: transparent;
    user-select: none;
}

@keyframes skeleton-shimmer {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

/* Pulse effect for loading elements */
.pulse-loader {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

/* ==========================================
   5. PAGE TRANSITIONS
   ========================================== */

/* Smooth page fade-in on load */
body {
    animation: page-fade-in 0.5s ease-out;
}

@keyframes page-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ==========================================
   6. MICRO-INTERACTIONS
   ========================================== */

/* Button press effect */
.btn-press {
    transition: transform 0.1s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-press:active {
    transform: scale(0.96);
}

/* Smooth underline growth */
.underline-grow {
    position: relative;
    display: inline-block;
}

.underline-grow::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-orange);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.underline-grow:hover::after {
    width: 100%;
}

/* Icon rotate on hover */
.icon-rotate {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.icon-rotate:hover {
    transform: rotate(15deg);
}

/* ==========================================
   7. SECTION DIVIDERS & DECORATIVE
   ========================================== */

/* Animated gradient line */
.gradient-line {
    height: 3px;
    background: linear-gradient(90deg,
            transparent 0%,
            var(--accent-orange) 50%,
            transparent 100%);
    background-size: 200% 100%;
    animation: gradient-flow 3s ease-in-out infinite;
    margin: 60px 0;
}

@keyframes gradient-flow {

    0%,
    100% {
        background-position: 200% 0;
    }

    50% {
        background-position: -200% 0;
    }
}

/* ==========================================
   8. ACCESSIBILITY - REDUCED MOTION
   ========================================== */

/* Disable all animations for users who prefer 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;
    }

    /* Keep essential opacity transitions only */
    .animate-on-scroll,
    .slide-left,
    .slide-right,
    .fade-in,
    .scale-in {
        transform: none !important;
        transition: opacity 0.2s ease !important;
    }

    /* Remove shimmers and pulses */
    .skeleton-text,
    .pulse-loader {
        animation: none !important;
    }
}

/* ==========================================
   9. PERFORMANCE OPTIMIZATIONS
   ========================================== */

/* GPU acceleration for smooth animations */
.animate-on-scroll,
.slide-left,
.slide-right,
.scale-in,
.hover-lift {
    will-change: transform, opacity;
    backface-visibility: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Remove will-change after animation completes to free resources */
.animate-on-scroll.visible,
.slide-left.visible,
.slide-right.visible,
.scale-in.visible {
    will-change: auto;
}

/* ==========================================
   10. UTILITY CLASSES
   ========================================== */

/* Delay utilities */
.delay-100 {
    animation-delay: 0.1s;
    transition-delay: 0.1s;
}

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

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

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

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

/* Duration utilities */
.duration-fast {
    animation-duration: 0.3s;
    transition-duration: 0.3s;
}

.duration-normal {
    animation-duration: 0.6s;
    transition-duration: 0.6s;
}

.duration-slow {
    animation-duration: 1s;
    transition-duration: 1s;
}

/* Smooth all transitions */
.smooth {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ==========================================
   11. ENTERPRISE-SPECIFIC ENHANCEMENTS
   ========================================== */

/* Premium card entrance */
.premium-card-animate {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
    transition: opacity 0.5s cubic-bezier(0.4, 0, 0.2, 1),
        transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.premium-card-animate.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Subtle background parallax effect */
.parallax-subtle {
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Number counter animation */
@keyframes count-up {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.count-up {
    animation: count-up 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* ==========================================
   12. BFCACHE RESTORATION SAFETY
   ========================================== */

/* Force visibility when page is restored from bfcache */
/* The .bfcache-restored class is added by JS on pageshow event */
.bfcache-restored .animate-on-scroll,
.bfcache-restored .slide-left,
.bfcache-restored .slide-right,
.bfcache-restored .fade-in,
.bfcache-restored .scale-in,
.bfcache-restored .premium-card-animate,
.bfcache-restored .animate-text,
.bfcache-restored .animate-stat {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    animation: none !important;
}

/* Ensure counters show their final values */
.bfcache-restored [data-count] {
    opacity: 1 !important;
}