/* BentoFolio - Animation Library
   Modern, smooth animations for portfolio showcase
*/

/* ============================================
   KEYFRAME ANIMATIONS
   ============================================ */

/* Fade In */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Slide Down */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

/* Slide In from Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

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

/* Slide In from Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }

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

/* Scale In */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Rotate In */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-10deg) scale(0.95);
    }

    to {
        opacity: 1;
        transform: rotate(0) scale(1);
    }
}

/* Float */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* Pulse Glow */
@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
    }

    50% {
        box-shadow: 0 0 40px rgba(59, 130, 246, 0.6);
    }
}

/* Gradient Shift */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Shimmer */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

/* Bounce In */
@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

    100% {
        transform: scale(1);
    }
}

/* Spin */
@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

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

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

.animate-slide-up {
    animation: slideUp 0.6s ease-out;
}

.animate-slide-down {
    animation: slideDown 0.6s ease-out;
}

.animate-slide-left {
    animation: slideInLeft 0.6s ease-out;
}

.animate-slide-right {
    animation: slideInRight 0.6s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-rotate-in {
    animation: rotateIn 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-bounce-in {
    animation: bounceIn 0.8s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.animate-float {
    animation: float 3s ease-in-out infinite;
}

.animate-pulse-glow {
    animation: pulseGlow 2s ease-in-out infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}

/* ============================================
   GRADIENT ANIMATIONS
   ============================================ */

.gradient-animated {
    background-size: 200% 200%;
    animation: gradientShift 3s ease infinite;
}

/* ============================================
   HOVER ANIMATIONS
   ============================================ */

/* Lift on hover */
.hover-lift {
    transition: transform var(--transition-base);
}

.hover-lift:hover {
    transform: translateY(-4px);
}

/* Scale on hover */
.hover-scale {
    transition: transform var(--transition-base);
}

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

/* Glow on hover */
.hover-glow {
    transition: box-shadow var(--transition-base);
}

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

/* Rotate on hover */
.hover-rotate {
    transition: transform var(--transition-base);
}

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

/* Tilt on hover */
.hover-tilt {
    transition: transform var(--transition-base);
}

.hover-tilt:hover {
    transform: perspective(1000px) rotateX(5deg) rotateY(-5deg);
}

/* ============================================
   LOADING ANIMATIONS
   ============================================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.dots-loading {
    display: inline-flex;
    gap: 8px;
}

.dots-loading span {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: dotBounce 1.4s infinite ease-in-out both;
}

.dots-loading span:nth-child(1) {
    animation-delay: -0.32s;
}

.dots-loading span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes dotBounce {

    0%,
    80%,
    100% {
        transform: scale(0);
        opacity: 0.5;
    }

    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg,
            var(--bg-secondary) 25%,
            var(--bg-card) 50%,
            var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: shimmer 2s ease-in-out infinite;
}

.skeleton-text {
    height: 1em;
    border-radius: var(--radius-sm);
}

.skeleton-card {
    width: 100%;
    height: 300px;
    border-radius: var(--radius-lg);
}

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

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary);
    white-space: nowrap;
    animation: typing 3.5s steps(40) 1s 1 normal both,
        blink 0.75s step-end infinite;
}

@keyframes typing {
    from {
        width: 0;
    }

    to {
        width: 100%;
    }
}

@keyframes blink {
    50% {
        border-color: transparent;
    }
}

/* Gradient Text Animation */
.text-gradient-animated {
    background: linear-gradient(90deg,
            var(--primary),
            var(--secondary),
            var(--accent),
            var(--primary));
    background-size: 300% 100%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 3s ease infinite;
}

/* ============================================
   PARTICLE EFFECTS
   ============================================ */

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 3s ease-in-out infinite;
}

@keyframes particleFloat {
    0% {
        opacity: 0;
        transform: translateY(0) translateX(0);
    }

    10% {
        opacity: 1;
    }

    90% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translateY(-100px) translateX(20px);
    }
}

/* ============================================
   INTERSECTION OBSERVER ANIMATIONS
   ============================================ */

/* Elements start hidden and animate in when visible */
[data-animate] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Stagger delays for sequential animations */
[data-animate].delay-1 {
    transition-delay: 100ms;
}

[data-animate].delay-2 {
    transition-delay: 200ms;
}

[data-animate].delay-3 {
    transition-delay: 300ms;
}

[data-animate].delay-4 {
    transition-delay: 400ms;
}

[data-animate].delay-5 {
    transition-delay: 500ms;
}

[data-animate].delay-6 {
    transition-delay: 600ms;
}

/* ============================================
   PAGE TRANSITIONS
   ============================================ */

.page-transition {
    animation: fadeIn 0.4s ease-out;
}

/* ============================================
   MODAL ANIMATIONS
   ============================================ */

.modal-enter {
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-exit {
    animation: scaleIn 0.2s ease-out reverse;
}

.modal-backdrop-enter {
    animation: fadeIn 0.3s ease-out;
}

.modal-backdrop-exit {
    animation: fadeIn 0.2s ease-out reverse;
}

/* ============================================
   RIPPLE EFFECT
   ============================================ */

.ripple {
    position: relative;
    overflow: hidden;
}

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

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

/* ============================================
   ATTENTION SEEKERS
   ============================================ */

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

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-10px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(10px);
    }
}

.tada {
    animation: tada 1s ease;
}

@keyframes tada {
    0% {
        transform: scale3d(1, 1, 1);
    }

    10%,
    20% {
        transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
    }

    30%,
    50%,
    70%,
    90% {
        transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
    }

    40%,
    60%,
    80% {
        transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
    }

    100% {
        transform: scale3d(1, 1, 1);
    }
}

/* ============================================
   PROGRESSIVE ENHANCEMENT
   ============================================ */

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}