/* ============================================================
   Scroll reveal — shared, opt-in motion for marketing sections.
   Paired with static/js/components/scroll_reveal.js.

   Opt in by adding `data-animate` to an element:
     data-animate="fade-up"  (default)  data-animate="fade"
     data-animate="fade-down"           data-animate="fade-left"   (enters from the right)
     data-animate="fade-right"          data-animate="zoom-in"
   Stagger a group's direct children by adding `data-stagger` (ms step, default 90)
   to the parent; each direct `[data-animate]` child is delayed incrementally.

   The hidden initial state applies ONLY when scroll_reveal.js has added the
   `sr-enabled` class to <html>. So if this CSS is ever present on a page where
   the JS does not run (e.g. a reused partial), content stays fully visible — no
   permanently-hidden content and no FOUC.
   ============================================================ */

.sr-enabled [data-animate] {
    opacity: 0;
    transform: translate3d(0, 28px, 0); /* default variant = fade-up */
    transition: opacity 0.65s cubic-bezier(0.22, 0.61, 0.36, 1),
                transform 0.65s cubic-bezier(0.22, 0.61, 0.36, 1);
    transition-delay: var(--reveal-delay, 0ms);
}

.sr-enabled [data-animate="fade"]      { transform: none; }
.sr-enabled [data-animate="fade-down"] { transform: translate3d(0, -28px, 0); }
.sr-enabled [data-animate="fade-left"] { transform: translate3d(40px, 0, 0); }  /* slides in from the right */
.sr-enabled [data-animate="fade-right"]{ transform: translate3d(-40px, 0, 0); }
.sr-enabled [data-animate="zoom-in"]   { transform: scale(0.94); }

/* Revealed state (added by the observer, one-shot). */
.sr-enabled [data-animate].reveal-in {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
}

/* ---- GPU-friendly hover lift (opt-in via .reveal-hover) ---- */
.reveal-hover {
    transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1),
                box-shadow 0.3s ease;
}
.reveal-hover:hover {
    transform: translateY(-6px);
}

/* ---- Accessibility: respect reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
    .sr-enabled [data-animate] {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
    }
    .reveal-hover { transition: none !important; }
    .reveal-hover:hover { transform: none !important; }
}
