header,
nav,
.mobile-menu {
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    overflow: hidden;
}

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

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.animate-fadeInUp {
    animation: fadeInUp 0.8s ease-out;
}

.mobile-menu.open {
    opacity: 1;
    visibility: visible;
    animation: fadeSlideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeSlideIn {
    from {
        opacity: 0;
        transform: translateY(-40px) scale(0.95);
    }

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

nav {
    height: 80px;
}

.mobile-menu.closed {
    opacity: 0;
    visibility: hidden;
    animation: fadeSlideOut 0.4s ease forwards;
}

@keyframes fadeSlideOut {
    from {
        opacity: 1;
        transform: translateY(0) scale(1);
    }

    to {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
}