/* ==========================================================================
   Scroll-Reveal Animation System — Queso Prints
   ========================================================================== */

/* --------------------------------------------------------------------------
   Base state — hidden
   All .reveal elements start invisible and transition to their visible state
   when the IntersectionObserver adds .reveal--visible.
   -------------------------------------------------------------------------- */
.reveal {
    opacity: 0;
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: opacity, transform;
}

/* --------------------------------------------------------------------------
   Variants — starting positions
   Set via data-reveal attribute. "up" is the default when no attribute is set.
   -------------------------------------------------------------------------- */

/* Default (no attribute) and explicit "up" — slide up */
.reveal,
.reveal[data-reveal="up"] {
    transform: translateY(40px);
}

/* Slide from left */
.reveal[data-reveal="left"] {
    transform: translateX(-40px);
}

/* Slide from right */
.reveal[data-reveal="right"] {
    transform: translateX(40px);
}

/* Scale up */
.reveal[data-reveal="scale"] {
    transform: scale(0.92);
}

/* Simple fade — no movement */
.reveal[data-reveal="fade"] {
    transform: none;
}

/* --------------------------------------------------------------------------
   Visible state
   All variants resolve to the same end state: fully opaque, no transform.
   Uses !important to override the variant-specific transforms above.
   -------------------------------------------------------------------------- */
.reveal--visible {
    opacity: 1 !important;
    transform: none !important;
}

/* --------------------------------------------------------------------------
   Duration utilities
   -------------------------------------------------------------------------- */

/* Faster reveal (0.5s) */
.reveal.reveal-fast {
    transition-duration: 0.5s;
}

/* Slower reveal (1.2s) */
.reveal.reveal-slow {
    transition-duration: 1.2s;
}

/* --------------------------------------------------------------------------
   Stagger container
   Wrap children in a .reveal-stagger parent and each .reveal child will
   receive an increasing transition-delay (applied via JS).
   If JS has not yet run, these CSS rules provide a reasonable fallback for
   up to 8 children.
   -------------------------------------------------------------------------- */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 100ms; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 200ms; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 300ms; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 400ms; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 500ms; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 600ms; }
.reveal-stagger > .reveal:nth-child(7) { transition-delay: 700ms; }
.reveal-stagger > .reveal:nth-child(8) { transition-delay: 800ms; }

/* --------------------------------------------------------------------------
   Reduced motion
   Respect the user's OS-level preference for reduced motion.
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
        opacity: 1 !important;
        transform: none !important;
    }
}