/* Animations */

/* Base State - Hidden */
.fade-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: opacity, transform;
}

/* Visible State - Triggered by JS */
.fade-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered Delays */
.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

/* Micro-interactions */
@media (hover: hover) {
    .nav-link::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: var(--color-accent);
        transition: width 0.3s;
        margin-top: 4px;
    }

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