/* GSAP-powered Animations */

/* Entrance Animations */
@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);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.7; }
}

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% { transform: translateY(0); }
    40%, 43% { transform: translateY(-30px); }
    70% { transform: translateY(-15px); }
    90% { transform: translateY(-4px); }
}

/* Neural Network Animation */
.neural-network {
    position: relative;
    width: 200px;
    height: 150px;
    margin: 0 auto;
}

.neural-network .node {
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary-color);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.neural-network .node:nth-child(1) { top: 20px; left: 20px; animation-delay: 0s; }
.neural-network .node:nth-child(2) { top: 20px; right: 20px; animation-delay: 0.2s; }
.neural-network .node:nth-child(3) { top: 50%; left: 50%; transform: translate(-50%, -50%); animation-delay: 0.4s; }
.neural-network .node:nth-child(4) { bottom: 20px; left: 20px; animation-delay: 0.6s; }
.neural-network .node:nth-child(5) { bottom: 20px; right: 20px; animation-delay: 0.8s; }

.neural-network .connection {
    position: absolute;
    background: linear-gradient(45deg, var(--primary-color), transparent);
    height: 2px;
    transform-origin: left;
    animation: connectionPulse 2s infinite;
}

.neural-network .connection:nth-child(6) {
    top: 26px;
    left: 32px;
    width: 136px;
    transform: rotate(0deg);
    animation-delay: 0.1s;
}

.neural-network .connection:nth-child(7) {
    top: 32px;
    left: 26px;
    width: 120px;
    transform: rotate(25deg);
    animation-delay: 0.3s;
}

.neural-network .connection:nth-child(8) {
    top: 76px;
    left: 94px;
    width: 120px;
    transform: rotate(-25deg);
    animation-delay: 0.5s;
}

.neural-network .connection:nth-child(9) {
    bottom: 26px;
    left: 32px;
    width: 136px;
    transform: rotate(0deg);
    animation-delay: 0.7s;
}

@keyframes connectionPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

/* Progress Bar Animation */
.progress-bar {
    width: 100%;
    height: 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 20px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 3px;
    transition: width 0.3s ease;
    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, 0.4), transparent);
    animation: progressShimmer 1.5s infinite;
}

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

/* Circular Progress */
.progress-circle {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 20px auto;
    border-radius: 50%;
}

.progress-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: conic-gradient(var(--primary-color) 0deg, transparent 0deg);
    animation: progressSpin 2s ease-in-out;
}

.progress-circle .progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    font-weight: bold;
    color: var(--text-color);
}

@keyframes progressSpin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Button Hover Effects */
.btn-animated {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.btn-animated::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 ease;
}

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

.btn-animated:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

/* Card Flip Animation */
.flip-card {
    background-color: transparent;
    width: 100%;
    height: 200px;
    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%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    border-radius: 15px;
}

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

/* Typewriter Effect */
.typewriter {
    overflow: hidden;
    border-right: 2px solid var(--primary-color);
    white-space: nowrap;
    animation: typing 3s 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); }
}

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

.floating-element:nth-child(odd) {
    animation-delay: 0.5s;
}

.floating-element:nth-child(even) {
    animation-delay: 1s;
}

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

.parallax-element {
    position: absolute;
    animation: parallaxMove 20s linear infinite;
}

@keyframes parallaxMove {
    0% { transform: translateX(-100px) translateY(-100px); }
    25% { transform: translateX(calc(100vw + 100px)) translateY(-50px); }
    50% { transform: translateX(calc(100vw + 100px)) translateY(calc(100vh + 100px)); }
    75% { transform: translateX(-100px) translateY(calc(100vh + 50px)); }
    100% { transform: translateX(-100px) translateY(-100px); }
}

/* Stagger Animation */
.stagger-item {
    opacity: 0;
    transform: translateY(30px);
    animation: staggerFadeIn 0.6s ease 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; }

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

/* Morphing Shapes */
.morphing-shape {
    animation: morphing 4s ease-in-out infinite;
}

@keyframes morphing {
    0%, 100% { border-radius: 20px; }
    25% { border-radius: 50px 20px; }
    50% { border-radius: 50px; }
    75% { border-radius: 20px 50px; }
}

/* Responsive Animations */
@media (max-width: 768px) {
    .neural-network {
        width: 150px;
        height: 100px;
    }
    
    .progress-circle {
        width: 80px;
        height: 80px;
    }
    
    .progress-circle .progress-text {
        font-size: 16px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}