/* ========================================
   ANIMATIONS CSS
   ======================================== */

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

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

/* Slide In From Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

/* Slide In From Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

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

.scale-in {
    animation: scaleIn 0.6s ease-out;
}

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

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

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

.shimmer {
    animation: shimmer 2s infinite;
    background: linear-gradient(
        to right,
        #f0f0f0 8%,
        #e8e8e8 18%,
        #f0f0f0 33%
    );
    background-size: 1000px 100%;
}

/* Float */
@keyframes floatElement {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.float {
    animation: floatElement 4s ease-in-out infinite;
}

/* Bounce */
@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

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

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

.rotate {
    animation: rotate 4s linear infinite;
}

/* Glow */
@keyframes glow {
    0%, 100% {
        text-shadow: 0 0 5px rgba(0, 102, 204, 0.5);
    }
    50% {
        text-shadow: 0 0 20px rgba(0, 102, 204, 1);
    }
}

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

/* Reveal */
@keyframes reveal {
    from {
        clip-path: polygon(0 0, 0 0, 0 100%, 0% 100%);
    }
    to {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
}

.reveal {
    animation: reveal 0.8s ease-out;
}

/* Stagger animation for lists */
@keyframes staggerIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.stagger-item {
    animation: staggerIn 0.6s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.2s; }
.stagger-item:nth-child(4) { animation-delay: 0.3s; }
.stagger-item:nth-child(5) { animation-delay: 0.4s; }
.stagger-item:nth-child(6) { animation-delay: 0.5s; }
.stagger-item:nth-child(7) { animation-delay: 0.6s; }
.stagger-item:nth-child(8) { animation-delay: 0.7s; }
.stagger-item:nth-child(9) { animation-delay: 0.8s; }
.stagger-item:nth-child(10) { animation-delay: 0.9s; }
.stagger-item:nth-child(n+11) { animation-delay: 1s; }

/* Flip */
@keyframes flip {
    0% {
        transform: perspective(400px) rotateY(0);
    }
    100% {
        transform: perspective(400px) rotateY(360deg);
    }
}

.flip {
    animation: flip 0.8s ease-out;
}

/* Swing */
@keyframes swing {
    20% { transform: rotate(15deg); }
    40% { transform: rotate(-10deg); }
    60% { transform: rotate(5deg); }
    80% { transform: rotate(-5deg); }
    100% { transform: rotate(0deg); }
}

.swing {
    animation: swing 0.8s ease-in-out;
    transform-origin: top center;
}

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

.wobble {
    animation: wobble 0.8s ease-in-out;
}

/* Jello */
@keyframes jello {
    0%, 11.1%, 100% { transform: skewX(0deg) skewY(0deg); }
    22.2% { transform: skewX(-12.5deg) skewY(-12.5deg); }
    33.3% { transform: skewX(6.25deg) skewY(6.25deg); }
    44.4% { transform: skewX(-3.125deg) skewY(-3.125deg); }
    55.5% { transform: skewX(1.5625deg) skewY(1.5625deg); }
    66.6% { transform: skewX(-0.78125deg) skewY(-0.78125deg); }
    77.7% { transform: skewX(0.390625deg) skewY(0.390625deg); }
    88.8% { transform: skewX(-0.1953125deg) skewY(-0.1953125deg); }
}

.jello {
    animation: jello 0.9s ease-out;
}

/* Slide Up */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Scroll animations */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.scroll-slide-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-slide-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.scroll-slide-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-slide-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   LOADING STATES
   ======================================== */
.skeleton {
    background: linear-gradient(
        90deg,
        #f0f0f0 25%,
        #e0e0e0 50%,
        #f0f0f0 75%
    );
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

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

.spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 102, 204, 0.1);
    border-top: 4px solid #0066cc;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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