/* ============================
   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(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes scaleInBounce {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes slideInFromBottom {
    from {
        opacity: 0;
        transform: translateY(100px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Rotation Animations */
@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: rotate(0deg);
    }
}

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

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(255, 107, 53, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(255, 107, 53, 0.6);
    }
}

/* Bounce Animations */
@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translateY(0);
    }
    40%, 43% {
        transform: translateY(-15px);
    }
    70% {
        transform: translateY(-7px);
    }
    90% {
        transform: translateY(-3px);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Wave Animation */
@keyframes wave {
    0%, 60%, 100% {
        transform: initial;
    }
    30% {
        transform: translateY(-15px);
    }
}

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

/* Wobble Animation */
@keyframes wobble {
    0% {
        transform: translateX(0%);
    }
    15% {
        transform: translateX(-25px) rotate(-5deg);
    }
    30% {
        transform: translateX(20px) rotate(3deg);
    }
    45% {
        transform: translateX(-15px) rotate(-3deg);
    }
    60% {
        transform: translateX(10px) rotate(2deg);
    }
    75% {
        transform: translateX(-5px) rotate(-1deg);
    }
    100% {
        transform: translateX(0%);
    }
}

/* Flip Animations */
@keyframes flipInX {
    from {
        transform: perspective(400px) rotateX(90deg);
        opacity: 0;
    }
    40% {
        transform: perspective(400px) rotateX(-20deg);
    }
    60% {
        transform: perspective(400px) rotateX(10deg);
        opacity: 1;
    }
    80% {
        transform: perspective(400px) rotateX(-5deg);
    }
    to {
        transform: perspective(400px) rotateX(0deg);
        opacity: 1;
    }
}

@keyframes flipInY {
    from {
        transform: perspective(400px) rotateY(90deg);
        opacity: 0;
    }
    40% {
        transform: perspective(400px) rotateY(-20deg);
    }
    60% {
        transform: perspective(400px) rotateY(10deg);
        opacity: 1;
    }
    80% {
        transform: perspective(400px) rotateY(-5deg);
    }
    to {
        transform: perspective(400px) rotateY(0deg);
        opacity: 1;
    }
}

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

/* Visibility Classes */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.in-view {
    opacity: 1;
    transform: translateY(0);
}

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

.hover-lift:hover {
    transform: translateY(-5px);
}

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

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

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

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

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

.hover-glow:hover {
    box-shadow: 0 10px 30px rgba(255, 107, 53, 0.3);
}

/* Button Animations */
.btn-animate {
    position: relative;
    overflow: hidden;
}

.btn-animate::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;
}

.btn-animate:hover::before {
    left: 100%;
}

/* Loading Animations */
.loading-dots {
    display: inline-block;
}

.loading-dots::after {
    content: '';
    animation: loadingDots 1.5s infinite;
}

@keyframes loadingDots {
    0%, 20% {
        content: '';
    }
    40% {
        content: '.';
    }
    60% {
        content: '..';
    }
    80%, 100% {
        content: '...';
    }
}

/* Spinner Animation */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255, 107, 53, 0.1);
    border-left: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

/* Progress Bar Animation */
.progress-bar {
    position: relative;
    background: rgba(255, 107, 53, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 10px;
    transition: width 1s ease-out;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.3),
        transparent
    );
    animation: progressShine 2s infinite;
}

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

/* Text Effects */
.text-reveal {
    opacity: 0;
    animation: textReveal 0.8s ease-out forwards;
}

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

.text-glow {
    animation: textGlow 2s ease-in-out infinite alternate;
}

@keyframes textGlow {
    from {
        text-shadow: 0 0 10px rgba(255, 107, 53, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(255, 107, 53, 0.8);
    }
}

/* Parallax Effect */
.parallax-element {
    transform: translateZ(0);
    will-change: transform;
}

/* Stagger Animations */
.stagger-item {
    opacity: 0;
    transform: translateY(20px);
    animation: staggerFadeIn 0.6s ease-out forwards;
}

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

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

/* Card Flip Effect */
.flip-card {
    perspective: 1000px;
}

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

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

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: var(--border-radius);
}

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

/* Morphing Shapes */
.morphing-shape {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morphing 8s ease-in-out infinite;
}

@keyframes morphing {
    0%, 100% {
        border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    }
    25% {
        border-radius: 58% 42% 75% 25% / 76% 46% 54% 24%;
    }
    50% {
        border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%;
    }
    75% {
        border-radius: 33% 67% 58% 42% / 63% 68% 32% 37%;
    }
}

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 0.15em solid var(--primary-color);
    white-space: nowrap;
    margin: 0 auto;
    letter-spacing: 0.15em;
    animation: 
        typing 3.5s steps(40, end),
        blink-caret 0.75s step-end infinite;
}

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

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

/* Gradient Animation */
.gradient-animation {
    background: linear-gradient(-45deg, #ff6b35, #f4a261, #2c5530, #ff6b35);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

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

/* Performance Optimizations */
.animate-gpu {
    transform: translateZ(0);
    will-change: transform;
}

/* 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;
        scroll-behavior: auto !important;
    }
}

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

/* Elements that will be animated on scroll */
.fade-in-up {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.fade-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.fade-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.scale-in {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Delay variations for staggered animations */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }
.delay-600 { transition-delay: 0.6s; }