html {
    scroll-behavior: smooth;
}
.gradient-bg {
    background: linear-gradient(135deg, #F8FAFC 0%, #FFFFFF 100%);
}
.hero-gradient {
    background: linear-gradient(135deg, #2563EB 0%, #06B6D4 100%);
}
.card-hover {
    transition: all 0.3s ease;
}
.card-hover:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(37, 99, 235, 0.15);
}
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}
.scroll-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}
.scroll-animate.visible {
    opacity: 1;
    transform: translateY(0);
}
.mobile-menu {
    transform: translateX(100%);
    transition: transform 0.3s ease;
}
.mobile-menu.active {
    transform: translateX(0);
}
#reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #2563EB, #06B6D4);
    z-index: 1000;
    width: 0%;
}