/* === Reveal types ===
   reveal-clip:    overflow hidden, content rises from below (for statements)
   reveal-blur:    opacity + blur + translateY (for body paragraphs)
   reveal-stagger: lines slide in from left with cascading delay (for bombardment)
   reveal-scale:   scaleX from left (for dividers)
   reveal-fade:    slow fade only (for asides/parentheticals)
*/

.reveal-clip {
    overflow: hidden;
}

.reveal-clip > * {
    transform: translateY(105%);
    transition: transform 0.9s var(--ease-clip);
}

.reveal-clip.is-visible > * {
    transform: translateY(0);
}

.reveal-blur {
    opacity: 0;
    filter: blur(6px);
    transform: translateY(20px);
    transition:
        opacity 0.7s ease,
        filter 0.7s ease,
        transform 0.7s var(--ease-fade);
}

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

.reveal-stagger .stagger-line {
    opacity: 0;
    transform: translateX(-20px);
    filter: blur(4px);
    transition:
        opacity 0.5s ease,
        transform 0.5s var(--ease-fade),
        filter 0.5s ease;
}

.reveal-stagger.is-visible .stagger-line {
    opacity: 1;
    transform: translateX(0);
    filter: blur(0);
}

.reveal-stagger.is-visible .stagger-line:nth-child(1) { transition-delay: 0s; }
.reveal-stagger.is-visible .stagger-line:nth-child(2) { transition-delay: 0.08s; }
.reveal-stagger.is-visible .stagger-line:nth-child(3) { transition-delay: 0.16s; }
.reveal-stagger.is-visible .stagger-line:nth-child(4) { transition-delay: 0.24s; }
.reveal-stagger.is-visible .stagger-line:nth-child(5) { transition-delay: 0.32s; }
.reveal-stagger.is-visible .stagger-line:nth-child(6) { transition-delay: 0.40s; }
.reveal-stagger.is-visible .stagger-line:nth-child(7) { transition-delay: 0.48s; }
.reveal-stagger.is-visible .stagger-line:nth-child(8) { transition-delay: 0.56s; }

.reveal-scale {
    opacity: 0;
    transform: scaleX(0);
    transform-origin: left center;
    transition:
        opacity 0.6s ease,
        transform 0.8s var(--ease-clip);
}

.reveal-scale.is-visible {
    opacity: 1;
    transform: scaleX(1);
}

.reveal-fade {
    opacity: 0;
    transition: opacity 1.2s ease;
}

.reveal-fade.is-visible {
    opacity: 1;
}

/* === Keyframes === */

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

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes lineReveal {
    from { opacity: 0; transform: scaleX(0); }
    to   { opacity: 1; transform: scaleX(1); }
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50%      { opacity: 0.8; transform: scaleY(1.2); }
}

@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-clip > *,
    .reveal-blur,
    .reveal-stagger .stagger-line,
    .reveal-scale,
    .reveal-fade,
    .cases__statement .word {
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }
}