/* ============================================
   ANIMATIONS & MOTION DESIGN
   Premium Animation System
   ============================================ */

/* Reveal Animations on Scroll */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal--left {
    opacity: 0;
    transform: translateX(-40px);
}

.reveal--left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal--right {
    opacity: 0;
    transform: translateX(40px);
}

.reveal--right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal--scale {
    opacity: 0;
    transform: scale(0.95);
}

.reveal--scale.active {
    opacity: 1;
    transform: scale(1);
}

/* Stagger Animation Delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Mask Reveal Effect */
.mask-reveal {
    position: relative;
    overflow: hidden;
}

.mask-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
    transform: translateY(0);
    animation: maskReveal 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes maskReveal {
    to {
        transform: translateY(-100%);
    }
}

/* Text Split Animation */
.split-text {
    display: inline-block;
    overflow: hidden;
}

.split-char {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    animation: splitReveal 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* Counter Animation Base */
.counter {
    display: inline-block;
    font-variant-numeric: tabular-nums;
}

/* Hover Effects - Cards */
.hover-lift {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), 
                box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-premium-hover);
}

.hover-scale {
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hover-scale:hover {
    transform: scale(1.03);
}

.hover-glow {
    position: relative;
    transition: box-shadow 0.4s ease;
}

.hover-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, var(--color-accent), transparent, var(--color-primary));
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.hover-glow:hover::before {
    opacity: 1;
}

/* Image Zoom on Hover */
.image-zoom-wrapper {
    overflow: hidden;
}

.image-zoom {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.image-zoom-wrapper:hover .image-zoom {
    transform: scale(1.1);
}

/* Button Animations */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
}

.btn--accent {
    background: var(--gradient-accent);
    color: var(--color-white);
}

/* Ripple Effect */
.ripple {
    position: absolute;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.6);
    transform: scale(0);
    animation: rippleEffect 0.6s ease-out;
    pointer-events: none;
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Loading Skeleton */
.skeleton {
    background: linear-gradient(90deg, 
        var(--color-gray-200) 25%, 
        var(--color-gray-300) 50%, 
        var(--color-gray-200) 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

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

/* Fade Transitions */
.fade-in {
    opacity: 0;
    animation: fadeIn 0.6s ease forwards;
}

.fade-out {
    opacity: 1;
    animation: fadeOut 0.6s ease forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }
    to {
        opacity: 0;
    }
}

/* Slide Transitions */
.slide-in-left {
    animation: slideInLeft 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.slide-in-right {
    animation: slideInRight 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

.slide-in-down {
    animation: slideInDown 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Bounce Animation */
.bounce {
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

/* Rotate Animation */
.rotate {
    animation: rotate 3s linear infinite;
}

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

/* Parallax Base */
.parallax {
    will-change: transform;
}

/* Smooth Scroll Support */
html.lenis {
    height: auto;
}

.lenis.lenis-smooth {
    scroll-behavior: auto;
}

.lenis.lenis-smooth [data-lenis-prevent] {
    overscroll-behavior: contain;
}

.lenis.lenis-stopped {
    overflow: hidden;
}

.lenis.lenis-scrolling iframe {
    pointer-events: none;
}

/* Page Transition */
.page-transition {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    z-index: var(--z-modal);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.page-transition.active {
    transform: scaleY(1);
    transform-origin: top;
}

/* Cursor Follower (Optional Premium Feature) */
.cursor-follower {
    position: fixed;
    width: 40px;
    height: 40px;
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-tooltip);
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease, background-color 0.3s ease;
    opacity: 0;
}

@media (min-width: 992px) {
    .cursor-follower {
        opacity: 1;
    }
    
    .cursor-follower.active {
        width: 60px;
        height: 60px;
        background-color: rgba(201, 169, 98, 0.1);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .reveal,
    .reveal--left,
    .reveal--right,
    .reveal--scale,
    .stagger-1,
    .stagger-2,
    .stagger-3,
    .stagger-4,
    .stagger-5,
    .stagger-6 {
        transition: none;
        opacity: 1;
        transform: none;
    }
    
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}