/* CSS Animations and Transitions */

/* Fade In Animations */
.fade-in {
    opacity: 0;
    transition: opacity 0.6s ease;
}

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

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-down {
    opacity: 0;
    transform: translateY(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-down.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Scale Animations */
.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.scale-in-center {
    opacity: 0;
    transform: scale(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Rotate Animations */
.rotate-in {
    opacity: 0;
    transform: rotate(-180deg);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.rotate-in.visible {
    opacity: 1;
    transform: rotate(0deg);
}

/* Slide Animations */
.slide-in-left {
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

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

.slide-in-right {
    transform: translateX(100%);
    transition: transform 0.6s ease;
}

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

.slide-in-top {
    transform: translateY(-100%);
    transition: transform 0.6s ease;
}

.slide-in-top.visible {
    transform: translateY(0);
}

.slide-in-bottom {
    transform: translateY(100%);
    transition: transform 0.6s ease;
}

.slide-in-bottom.visible {
    transform: translateY(0);
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-container.visible .stagger-item {
    opacity: 1;
    transform: translateY(0);
}

.stagger-container.visible .stagger-item:nth-child(1) { transition-delay: 0.1s; }
.stagger-container.visible .stagger-item:nth-child(2) { transition-delay: 0.2s; }
.stagger-container.visible .stagger-item:nth-child(3) { transition-delay: 0.3s; }
.stagger-container.visible .stagger-item:nth-child(4) { transition-delay: 0.4s; }
.stagger-container.visible .stagger-item:nth-child(5) { transition-delay: 0.5s; }
.stagger-container.visible .stagger-item:nth-child(6) { transition-delay: 0.6s; }

/* Parallax Effect */
.parallax {
    position: relative;
    overflow: hidden;
}

.parallax-layer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    will-change: transform;
}

.parallax-layer-1 {
    transform: translateY(0);
}

.parallax-layer-2 {
    transform: translateY(0);
}

.parallax-layer-3 {
    transform: translateY(0);
}

/* Hover Effects */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--box-shadow-xl);
}

.hover-grow {
    transition: transform 0.3s ease;
}

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

.hover-shrink {
    transition: transform 0.3s ease;
}

.hover-shrink:hover {
    transform: scale(0.95);
}

.hover-rotate {
    transition: transform 0.3s ease;
}

.hover-rotate:hover {
    transform: rotate(5deg);
}

.hover-shadow {
    transition: box-shadow 0.3s ease;
}

.hover-shadow:hover {
    box-shadow: var(--box-shadow-xl);
}

/* Text Effects */
.text-reveal {
    position: relative;
    overflow: hidden;
}

.text-reveal::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s ease;
}

.text-reveal:hover::after {
    left: 100%;
}

.text-gradient-animate {
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color), var(--primary-color));
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradient-text 3s linear infinite;
}

/* Loading Animations */
.skeleton-loading {
    position: relative;
    overflow: hidden;
}

.skeleton-loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: skeleton-wave 1.5s ease-in-out infinite;
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s ease-in-out infinite;
}

.pulse-hover {
    transition: transform 0.3s ease;
}

.pulse-hover:hover {
    animation: pulse 1s ease-in-out infinite;
}

/* Bounce Animation */
.bounce {
    animation: bounce 2s ease-in-out infinite;
}

.bounce-hover {
    transition: transform 0.3s ease;
}

.bounce-hover:hover {
    animation: bounce 0.6s ease-in-out;
}

/* Shake Animation */
.shake {
    animation: shake 0.5s ease-in-out;
}

.shake-hover:hover {
    animation: shake 0.5s ease-in-out;
}

/* Flip Animation */
.flip-card {
    perspective: 1000px;
    height: 300px;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner,
.flip-card.flipped .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 3px solid var(--primary-color);
    white-space: nowrap;
    animation: 
        typewriter 3s steps(40, end),
        blink 0.75s step-end infinite;
}

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

/* Progress Animation */
.progress-animate {
    position: relative;
    overflow: hidden;
}

.progress-animate::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.3);
    animation: progress-shine 2s ease-in-out infinite;
}

/* Ripple Effect */
.ripple {
    position: relative;
    overflow: hidden;
}

.ripple::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.ripple:active::before {
    width: 300px;
    height: 300px;
}

/* Glow Effect */
.glow {
    transition: text-shadow 0.3s ease, box-shadow 0.3s ease;
}

.glow:hover {
    text-shadow: 0 0 10px rgba(37, 99, 235, 0.8);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.4);
}

/* Morph Animation */
.morph {
    animation: morph 8s ease-in-out infinite;
}

/* Keyframe Definitions */
@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.05);
        opacity: 0.8;
    }
    100% {
        transform: scale(1);
        opacity: 1;
    }
}

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

@keyframes shake {
    0%, 100% {
        transform: translateX(0);
    }
    10%, 30%, 50%, 70%, 90% {
        transform: translateX(-5px);
    }
    20%, 40%, 60%, 80% {
        transform: translateX(5px);
    }
}

@keyframes typewriter {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    from, to {
        border-color: transparent;
    }
    50% {
        border-color: var(--primary-color);
    }
}

@keyframes gradient-text {
    0% {
        background-position: 0% 50%;
    }
    100% {
        background-position: 100% 50%;
    }
}

@keyframes skeleton-wave {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes progress-shine {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

@keyframes morph {
    0%, 100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

/* Custom ScrollBar Animation */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--surface);
}

::-webkit-scrollbar-thumb {
    background: var(--text-light);
    border-radius: 6px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Selection Animation */
::selection {
    background-color: var(--primary-color);
    color: white;
}

::-moz-selection {
    background-color: var(--primary-color);
    color: white;
}

/* Focus Animations */
*:focus {
    outline: none;
}

*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Page Transition */
.page-transition {
    animation: pageTransition 0.6s ease-out;
}

@keyframes pageTransition {
    0% {
        opacity: 0;
        transform: translateY(20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Intersection Observer Classes */
.observe {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.observe.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* Delay Classes for Staggered Animations */
.delay-100 { transition-delay: 0.1s !important; }
.delay-200 { transition-delay: 0.2s !important; }
.delay-300 { transition-delay: 0.3s !important; }
.delay-400 { transition-delay: 0.4s !important; }
.delay-500 { transition-delay: 0.5s !important; }
.delay-600 { transition-delay: 0.6s !important; }
.delay-700 { transition-delay: 0.7s !important; }
.delay-800 { transition-delay: 0.8s !important; }
.delay-900 { transition-delay: 0.9s !important; }
.delay-1000 { transition-delay: 1s !important; }