.fade-up {
    opacity: 0;
    transform: translateY(60px);
    transition: opscity 0.6s ease, transform 0.6s ease;
}

.fade-left,
.about-bg {
    opacity: 0;
    transform: translateX(-60px);
    transition: opscity 0.9s ease, transform 0.9s ease;
}


.fade-right {
    opacity: 0;
    transform: translateX(60px);
    transition: opscity 0.9s ease, transform 0.9s ease;
}

.fade-up.show,
.about-bg.show,
.fade-left.show,
.fade-right.show {
    opacity: 1;
    transform: translate(0);
}


.menu-item:nth-child(1) {
    transition-delay: 0.1s;
}

.menu-item:nth-child(2) {
    transition-delay: 0.15s;
}

.menu-item:nth-child(3) {
    transition-delay: 0.15s;
}

.menu-item:nth-child(4) {
    transition-delay: 0.2s;
}

.menu-item:nth-child(5) {
    transition-delay: 0.25s;
}

.menu-item:nth-child(6) {
    transition-delay: 0.25s;
}