body {
    box-sizing: border-box;
}

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

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

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

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

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.smooth-scroll {
    scroll-behavior: smooth;
}

.slide-in-left {
    animation: slideInLeft 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-right {
    animation: slideInRight 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.slide-in-up {
    animation: slideInUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }

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

.nav-link {
    position: relative;
    overflow: hidden;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, #2563eb, #4f46e5);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}