/* ====================================================================
   Animations
   Shared keyframes and scroll-triggered animations
   ==================================================================== */

/* ─── Fade In Up ─────────────────────────────────────────── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ─── Reveal variants (data-reveal-mode) ─────────────────── */
.reveal[data-reveal-mode="fade"] {
    transform: none;
}
.reveal[data-reveal-mode="left"] {
    transform: translateX(-30px);
}
.reveal[data-reveal-mode="left"].is-visible {
    transform: translateX(0);
}
.reveal[data-reveal-mode="right"] {
    transform: translateX(30px);
}
.reveal[data-reveal-mode="right"].is-visible {
    transform: translateX(0);
}
.reveal[data-reveal-mode="scale"] {
    transform: scale(0.92);
}
.reveal[data-reveal-mode="scale"].is-visible {
    transform: scale(1);
}

/* ─── Stagger children (for grids) ───────────────────────── */
.reveal-stagger > * {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 700ms var(--ease-out), transform 700ms var(--ease-out);
}
.reveal-stagger.is-visible > * {
    opacity: 1;
    transform: translateY(0);
}
.reveal-stagger.is-visible > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > *:nth-child(2) { transition-delay: 80ms; }
.reveal-stagger.is-visible > *:nth-child(3) { transition-delay: 160ms; }
.reveal-stagger.is-visible > *:nth-child(4) { transition-delay: 240ms; }
.reveal-stagger.is-visible > *:nth-child(5) { transition-delay: 320ms; }
.reveal-stagger.is-visible > *:nth-child(6) { transition-delay: 400ms; }
.reveal-stagger.is-visible > *:nth-child(7) { transition-delay: 480ms; }
.reveal-stagger.is-visible > *:nth-child(8) { transition-delay: 560ms; }

/* ─── Subtle hover lift ──────────────────────────────────── */
@keyframes lift {
    to { transform: translateY(-4px); }
}

/* ─── Text shimmer ───────────────────────────────────────── */
@keyframes shimmer {
    0%   { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.text-shimmer {
    background: linear-gradient(
        90deg,
        var(--cl-fg-muted) 0%,
        var(--cl-yellow) 50%,
        var(--cl-fg-muted) 100%
    );
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 3s linear infinite;
}

/* ─── Wiggle ─────────────────────────────────────────────── */
@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    25% { transform: rotate(-3deg); }
    75% { transform: rotate(3deg); }
}

/* ─── Flip in ────────────────────────────────────────────── */
@keyframes flipIn {
    from {
        opacity: 0;
        transform: rotateX(-90deg);
        transform-origin: top;
    }
    to {
        opacity: 1;
        transform: rotateX(0);
    }
}