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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.fade-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.5s ease-out forwards;
}

.slide-in {
    opacity: 0;
    transform: translateX(-20px);
    animation: slideIn 0.4s ease-out forwards;
}

/* Animations pour la navigation */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transition: width var(--transition-standard);
}

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