/* ============================================
   Animations
   Ossatura — Un autoritratto senza specchi
   ============================================ */

/* === Reveal Animations === */

/* Fade In */
.reveal-fade {
    opacity: 0;
    animation: revealFade var(--duration-slower) var(--ease-out) forwards;
}

@keyframes revealFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Slide Up */
.reveal-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: revealSlideUp var(--duration-slower) var(--ease-out) forwards;
}

@keyframes revealSlideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* === Scroll-Triggered Animations === */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

.scroll-reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.scroll-reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity var(--duration-normal) var(--ease-out),
                transform var(--duration-normal) var(--ease-out);
}

.scroll-reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.scroll-reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 50ms; }
.scroll-reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 100ms; }
.scroll-reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 150ms; }
.scroll-reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 200ms; }
.scroll-reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 250ms; }

.scroll-reveal-stagger.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}

/* === Hover Effects === */

.hover-lift {
    transition: transform var(--duration-normal) var(--ease-out),
                box-shadow var(--duration-normal) var(--ease-out);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* === Page Transitions === */
.page-enter {
    opacity: 0;
    transform: translateY(20px);
}

.page-enter-active {
    opacity: 1;
    transform: translateY(0);
    transition: opacity var(--duration-slow) var(--ease-out),
                transform var(--duration-slow) var(--ease-out);
}

/* === Reduced Motion === */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }

    .reveal-fade,
    .reveal-slide-up,
    .scroll-reveal {
        opacity: 1;
        transform: none;
    }
}