/**
 * NVB Animation Library
 * Premium animations for sections and elements
 * Version: 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties for Animation Control
   ========================================================================== */

:root {
    /* Animation Timing */
    --nvb-anim-duration-fast: 0.3s;
    --nvb-anim-duration: 0.6s;
    --nvb-anim-duration-slow: 0.9s;
    --nvb-anim-duration-slower: 1.2s;

    /* Animation Easing */
    --nvb-ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --nvb-ease-out-back: cubic-bezier(0.34, 1.56, 0.64, 1);
    --nvb-ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --nvb-ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Animation Delays for Stagger */
    --nvb-stagger-1: 0s;
    --nvb-stagger-2: 0.1s;
    --nvb-stagger-3: 0.2s;
    --nvb-stagger-4: 0.3s;
    --nvb-stagger-5: 0.4s;
    --nvb-stagger-6: 0.5s;
}

/* ==========================================================================
   Base Animation States (Hidden until triggered)
   ========================================================================== */

/* Elements waiting to animate */
[data-nvb-animate] {
    opacity: 0;
    will-change: transform, opacity;
}

/* Animated state */
[data-nvb-animate].nvb-animated {
    opacity: 1;
}

/* Disable animations if user prefers reduced motion */
@media (prefers-reduced-motion: reduce) {
    [data-nvb-animate] {
        opacity: 1 !important;
        transform: none !important;
        animation: none !important;
        transition: none !important;
    }
}

/* ==========================================================================
   FADE ANIMATIONS
   ========================================================================== */

/* Fade In */
[data-nvb-animate="fade-in"] {
    opacity: 0;
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-smooth);
}

[data-nvb-animate="fade-in"].nvb-animated {
    opacity: 1;
}

/* Fade Up */
[data-nvb-animate="fade-up"] {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="fade-up"].nvb-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Up Small (subtle) */
[data-nvb-animate="fade-up-sm"] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--nvb-anim-duration-fast) var(--nvb-ease-out),
                transform var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

[data-nvb-animate="fade-up-sm"].nvb-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Down */
[data-nvb-animate="fade-down"] {
    opacity: 0;
    transform: translateY(-40px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="fade-down"].nvb-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Fade Left */
[data-nvb-animate="fade-left"] {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="fade-left"].nvb-animated {
    opacity: 1;
    transform: translateX(0);
}

/* Fade Right */
[data-nvb-animate="fade-right"] {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="fade-right"].nvb-animated {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   SCALE ANIMATIONS
   ========================================================================== */

/* Scale Up */
[data-nvb-animate="scale-up"] {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out-back);
}

[data-nvb-animate="scale-up"].nvb-animated {
    opacity: 1;
    transform: scale(1);
}

/* Scale In (from smaller) */
[data-nvb-animate="scale-in"] {
    opacity: 0;
    transform: scale(0.5);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-spring);
}

[data-nvb-animate="scale-in"].nvb-animated {
    opacity: 1;
    transform: scale(1);
}

/* Zoom In */
[data-nvb-animate="zoom-in"] {
    opacity: 0;
    transform: scale(1.1);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="zoom-in"].nvb-animated {
    opacity: 1;
    transform: scale(1);
}

/* ==========================================================================
   SLIDE ANIMATIONS
   ========================================================================== */

/* Slide Up */
[data-nvb-animate="slide-up"] {
    opacity: 0;
    transform: translateY(100%);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="slide-up"].nvb-animated {
    opacity: 1;
    transform: translateY(0);
}

/* Slide In Left */
[data-nvb-animate="slide-left"] {
    opacity: 0;
    transform: translateX(100px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="slide-left"].nvb-animated {
    opacity: 1;
    transform: translateX(0);
}

/* Slide In Right */
[data-nvb-animate="slide-right"] {
    opacity: 0;
    transform: translateX(-100px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="slide-right"].nvb-animated {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   SPECIAL ANIMATIONS
   ========================================================================== */

/* Blur In */
[data-nvb-animate="blur-in"] {
    opacity: 0;
    filter: blur(10px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                filter var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="blur-in"].nvb-animated {
    opacity: 1;
    filter: blur(0);
}

/* Flip Up */
[data-nvb-animate="flip-up"] {
    opacity: 0;
    transform: perspective(1000px) rotateX(-15deg) translateY(30px);
    transition: opacity var(--nvb-anim-duration) var(--nvb-ease-out),
                transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

[data-nvb-animate="flip-up"].nvb-animated {
    opacity: 1;
    transform: perspective(1000px) rotateX(0) translateY(0);
}

/* Pop */
[data-nvb-animate="pop"] {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity var(--nvb-anim-duration-fast) var(--nvb-ease-out),
                transform var(--nvb-anim-duration-fast) var(--nvb-ease-out-back);
}

[data-nvb-animate="pop"].nvb-animated {
    opacity: 1;
    transform: scale(1);
}

/* ==========================================================================
   STAGGER DELAY CLASSES
   ========================================================================== */

[data-nvb-delay="1"] { transition-delay: var(--nvb-stagger-1) !important; }
[data-nvb-delay="2"] { transition-delay: var(--nvb-stagger-2) !important; }
[data-nvb-delay="3"] { transition-delay: var(--nvb-stagger-3) !important; }
[data-nvb-delay="4"] { transition-delay: var(--nvb-stagger-4) !important; }
[data-nvb-delay="5"] { transition-delay: var(--nvb-stagger-5) !important; }
[data-nvb-delay="6"] { transition-delay: var(--nvb-stagger-6) !important; }

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

/* ==========================================================================
   HOVER ANIMATIONS (Always Active)
   ========================================================================== */

/* Card Lift */
.nvb-hover-lift {
    transition: transform var(--nvb-anim-duration-fast) var(--nvb-ease-out),
                box-shadow var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

.nvb-hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
}

/* Card Lift Subtle */
.nvb-hover-lift-sm {
    transition: transform var(--nvb-anim-duration-fast) var(--nvb-ease-out),
                box-shadow var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

.nvb-hover-lift-sm:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

/* Scale on Hover */
.nvb-hover-scale {
    transition: transform var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

.nvb-hover-scale:hover {
    transform: scale(1.05);
}

/* Glow on Hover */
.nvb-hover-glow {
    transition: box-shadow var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

.nvb-hover-glow:hover {
    box-shadow: 0 0 30px rgba(var(--nvb-primary-rgb, 99, 102, 241), 0.4);
}

/* Shine Effect */
.nvb-hover-shine {
    position: relative;
    overflow: hidden;
}

.nvb-hover-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.2),
        transparent
    );
    transition: left 0.5s ease;
}

.nvb-hover-shine:hover::before {
    left: 100%;
}

/* ==========================================================================
   BUTTON ANIMATIONS
   ========================================================================== */

/* Button Pulse */
.nvb-btn-pulse {
    position: relative;
    overflow: visible;
}

.nvb-btn-pulse::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: inherit;
    opacity: 0;
    z-index: -1;
    animation: nvb-pulse 2s ease-out infinite;
}

@keyframes nvb-pulse {
    0% {
        transform: scale(1);
        opacity: 0.5;
    }
    100% {
        transform: scale(1.5);
        opacity: 0;
    }
}

/* Button Arrow Slide */
.nvb-btn-arrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.nvb-btn-arrow svg,
.nvb-btn-arrow i {
    transition: transform var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

.nvb-btn-arrow:hover svg,
.nvb-btn-arrow:hover i {
    transform: translateX(4px);
}

/* ==========================================================================
   IMAGE ANIMATIONS
   ========================================================================== */

/* Image Zoom on Hover */
.nvb-img-zoom {
    overflow: hidden;
}

.nvb-img-zoom img {
    transition: transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

.nvb-img-zoom:hover img {
    transform: scale(1.1);
}

/* Image Reveal */
.nvb-img-reveal {
    position: relative;
    overflow: hidden;
}

.nvb-img-reveal::after {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--nvb-primary, #6366F1);
    transform: scaleX(1);
    transform-origin: right;
    transition: transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

.nvb-img-reveal.nvb-animated::after {
    transform: scaleX(0);
}

/* ==========================================================================
   TEXT ANIMATIONS
   ========================================================================== */

/* Text Reveal Line by Line */
.nvb-text-reveal {
    overflow: hidden;
}

.nvb-text-reveal > * {
    transform: translateY(100%);
    transition: transform var(--nvb-anim-duration) var(--nvb-ease-out);
}

.nvb-text-reveal.nvb-animated > * {
    transform: translateY(0);
}

/* Gradient Text Shimmer */
.nvb-text-shimmer {
    background: linear-gradient(
        90deg,
        var(--nvb-primary, #6366F1) 0%,
        var(--nvb-accent, #EC4899) 50%,
        var(--nvb-primary, #6366F1) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: nvb-shimmer 3s linear infinite;
}

@keyframes nvb-shimmer {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

/* ==========================================================================
   ICON ANIMATIONS
   ========================================================================== */

/* Icon Bounce */
.nvb-icon-bounce {
    transition: transform var(--nvb-anim-duration-fast) var(--nvb-ease-out-back);
}

.nvb-icon-bounce:hover {
    transform: scale(1.2);
}

/* Icon Spin on Hover */
.nvb-icon-spin:hover {
    animation: nvb-spin 0.5s ease-out;
}

@keyframes nvb-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Icon Float */
.nvb-icon-float {
    animation: nvb-float 3s ease-in-out infinite;
}

@keyframes nvb-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ==========================================================================
   SECTION-SPECIFIC ANIMATIONS
   ========================================================================== */

/* Hero Section - Staggered Content */
.nvb-section-hero [data-nvb-animate] {
    --nvb-anim-duration: 0.8s;
}

/* Features Grid - Staggered Cards */
.nvb-section-features .nvb-feature-card:nth-child(1) { transition-delay: 0s; }
.nvb-section-features .nvb-feature-card:nth-child(2) { transition-delay: 0.1s; }
.nvb-section-features .nvb-feature-card:nth-child(3) { transition-delay: 0.2s; }
.nvb-section-features .nvb-feature-card:nth-child(4) { transition-delay: 0.3s; }
.nvb-section-features .nvb-feature-card:nth-child(5) { transition-delay: 0.4s; }
.nvb-section-features .nvb-feature-card:nth-child(6) { transition-delay: 0.5s; }

/* Testimonial - Quote Animation */
.nvb-section-testimonial blockquote,
.nvb-section-testimonial .nvb-quote {
    position: relative;
}

.nvb-section-testimonial blockquote::before,
.nvb-section-testimonial .nvb-quote::before {
    content: '"';
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 80px;
    line-height: 1;
    opacity: 0.1;
    font-family: Georgia, serif;
}

/* Pricing Cards - Highlight Animation */
.nvb-pricing-card.nvb-featured {
    transform: scale(1.05);
    z-index: 1;
}

.nvb-pricing-card {
    transition: transform var(--nvb-anim-duration-fast) var(--nvb-ease-out),
                box-shadow var(--nvb-anim-duration-fast) var(--nvb-ease-out);
}

.nvb-pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
}

/* ==========================================================================
   LOADING STATES
   ========================================================================== */

/* Skeleton Loading */
.nvb-skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: nvb-skeleton 1.5s ease-in-out infinite;
}

@keyframes nvb-skeleton {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Spinner */
.nvb-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(var(--nvb-primary-rgb, 99, 102, 241), 0.2);
    border-top-color: var(--nvb-primary, #6366F1);
    border-radius: 50%;
    animation: nvb-spin 0.8s linear infinite;
}

/* ==========================================================================
   UTILITY ANIMATION CLASSES
   ========================================================================== */

/* Duration Modifiers */
.nvb-anim-fast { --nvb-anim-duration: 0.3s !important; }
.nvb-anim-slow { --nvb-anim-duration: 0.9s !important; }
.nvb-anim-slower { --nvb-anim-duration: 1.2s !important; }

/* Animation Play State */
.nvb-anim-paused { animation-play-state: paused !important; }
.nvb-anim-running { animation-play-state: running !important; }

/* Disable animation for specific elements */
.nvb-no-anim {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
}