/* ============================================
   SMOOTH ANIMATIONS & TRANSITIONS
   ============================================ */

/* Fade In Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale Animations */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleUp {
    from {
        transform: scale(1);
    }
    to {
        transform: scale(1.05);
    }
}

/* Slide Animations */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

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

/* Pulse Animation */
@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Shimmer Effect */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}

/* Glow Effect */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(37, 99, 235, 0.2),
                    0 0 10px rgba(37, 99, 235, 0.2);
    }
    50% {
        box-shadow: 0 0 20px rgba(37, 99, 235, 0.4),
                    0 0 30px rgba(37, 99, 235, 0.3);
    }
}

/* Rotate Animation */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

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

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

.animate-fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

.animate-fade-in-down {
    animation: fadeInDown 0.8s ease-out;
}

.animate-fade-in-left {
    animation: fadeInLeft 0.8s ease-out;
}

.animate-fade-in-right {
    animation: fadeInRight 0.8s ease-out;
}

.animate-scale-in {
    animation: scaleIn 0.5s ease-out;
}

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

/* Staggered Animations */
.animate-stagger-1 {
    animation-delay: 0.1s;
}

.animate-stagger-2 {
    animation-delay: 0.2s;
}

.animate-stagger-3 {
    animation-delay: 0.3s;
}

.animate-stagger-4 {
    animation-delay: 0.4s;
}

.animate-stagger-5 {
    animation-delay: 0.5s;
}

/* ============================================
   SMOOTH TRANSITIONS
   ============================================ */

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

/* Card hover effects */
.card-hover-effect {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-hover-effect:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

/* Button effects */
.button-smooth {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.button-smooth::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.button-smooth:hover::before {
    width: 300px;
    height: 300px;
}

.button-smooth:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.3);
}

.button-smooth:active {
    transform: translateY(0);
}

/* Link hover effects */
a.smooth-link {
    position: relative;
    transition: color 0.3s ease;
}

a.smooth-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: currentColor;
    transition: width 0.3s ease;
}

a.smooth-link:hover::after {
    width: 100%;
}

/* Image hover effects */
.image-hover-zoom {
    overflow: hidden;
}

.image-hover-zoom img {
    transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

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

.loading-shimmer {
    background: linear-gradient(
        90deg,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.2) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    background-size: 200% 100%;
    animation: shimmer 2s infinite;
}

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

/* ============================================
   SPECIAL EFFECTS
   ============================================ */

/* Gradient animation */
.gradient-animate {
    background-size: 200% 200%;
    animation: gradientShift 5s ease infinite;
}

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

/* Floating animation */
.float-animation {
    animation: float 3s ease-in-out infinite;
}

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

/* Typing animation */
@keyframes typing {
    from {
        width: 0;
    }
    to {
        width: 100%;
    }
}

@keyframes blink {
    0%, 100% {
        border-color: transparent;
    }
    50% {
        border-color: currentColor;
    }
}

.typing-effect {
    overflow: hidden;
    border-right: 2px solid;
    white-space: nowrap;
    animation: typing 3s steps(40) 1s 1 normal both,
               blink 0.75s step-end infinite;
}

/* ============================================
   PERFORMANCE OPTIMIZATION
   ============================================ */

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* GPU acceleration for better performance */
.gpu-accelerated {
    transform: translateZ(0);
    will-change: transform;
    backface-visibility: hidden;
}