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

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

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

.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
}

.animate-fade-in-left {
    animation: fadeInLeft 1s ease-out forwards;
}

.animate-fade-in-right {
    animation: fadeInRight 1s ease-out forwards;
}

.service-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: #4f46e5;
    transition: width 0.3s ease;
}

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

.btn-primary {
    transition: all 0.3s ease;
    background-size: 200% auto;
}

.btn-primary:hover {
    background-position: right center;
    transform: scale(1.05);
}

.img-hover-zoom {
    overflow: hidden;
}

.img-hover-zoom img {
    transition: transform 0.5s ease;
}

.img-hover-zoom:hover img {
    transform: scale(1.1);
}

body {
    transition: background-color 0.5s ease;
}

.illustration-box {
    background: radial-gradient(circle at top left, #e0e7ff, #ffffff);
    border: 2px dashed #c7d2fe;
}

html {
    scroll-padding-top: 100px;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: #4f46e5;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4338ca;
}