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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 6px 16px rgba(0, 102, 204, 0.3);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 4px 12px rgba(0, 102, 204, 0.2);
    }
}

/* Floating Animation for Icons */
@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

/* Gradient Animation */
@keyframes gradientFlow {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* Shine Effect */
@keyframes shine {
    from {
        background-position: -200% center;
    }
    to {
        background-position: 200% center;
    }
}

/* Update Particle background animation */
@keyframes particleFloat {
    0% {
        transform: translateY(0) translateX(0) rotate(0deg);
    }
    25% {
        transform: translateY(-100px) translateX(50px) rotate(90deg);
    }
    50% {
        transform: translateY(-150px) translateX(-50px) rotate(180deg);
    }
    75% {
        transform: translateY(-100px) translateX(25px) rotate(270deg);
    }
    100% {
        transform: translateY(0) translateX(0) rotate(360deg);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    animation: fadeIn 1s ease forwards;
}

.fade-in-delay {
    opacity: 0;
    animation: fadeIn 1s ease 0.3s forwards;
}

.slide-in {
    opacity: 0;
    animation: slideIn 1s ease forwards;
}

.slide-in-left {
    opacity: 0;
    animation: slideInLeft 1s ease forwards;
}

.scale-in {
    opacity: 0;
    animation: scaleIn 0.8s ease forwards;
}

.pulse {
    animation: pulse 2s infinite;
}

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

/* Scroll-triggered animations */
.scroll-fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* Enhanced Particle Background */
.particles-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

/* Update particle styles */
.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.15;
    pointer-events: none;
    animation: particleFloat 15s infinite linear;
}

/* Gradient Text Effect */
.gradient-text {
    background: linear-gradient(
        90deg,
        var(--primary-color),
        var(--secondary-color),
        var(--primary-color)
    );
    background-size: 200% auto;
    color: transparent;
    -webkit-background-clip: text;
    background-clip: text;
    animation: gradientFlow 3s linear infinite;
}

/* Shine Effect for Cards */
.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        to right,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(30deg);
    animation: shine 3s infinite linear;
}

/* Hover Animations */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

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

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

/* Loading States */
@keyframes loading {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.loading {
    position: relative;
    max-width: 100%;
}

.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--primary-color);
    border-top-color: transparent;
    border-radius: 50%;
    animation: loading 0.8s linear infinite;
}

/* Intersection Observer Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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