/* =========================================================
   ANIMATION UTILITIES
   ========================================================= */

/* ---------- FADE IN ---------- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ---------- FADE UP ---------- */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- FADE DOWN ---------- */
@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ---------- FADE LEFT ---------- */
@keyframes fadeLeft {
    from {
        opacity: 0;
        transform: translateX(-60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ---------- FADE RIGHT ---------- */
@keyframes fadeRight {
    from {
        opacity: 0;
        transform: translateX(60px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ---------- SCALE IN ---------- */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ---------- BLUR IN ---------- */
@keyframes blurIn {
    from {
        opacity: 0;
        filter: blur(12px);
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
}

/* ---------- ROTATE ---------- */
@keyframes rotate {
    to { transform: rotate(360deg); }
}

/* ---------- PULSE ---------- */
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

/* ---------- FLOAT ---------- */
@keyframes floatY {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-14px); }
}

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

/* ---------- GLOW PULSE ---------- */
@keyframes glowPulse {
    0%, 100% { box-shadow: 0 0 20px rgba(0, 229, 255, 0.3); }
    50% { box-shadow: 0 0 40px rgba(0, 229, 255, 0.6); }
}

/* ---------- TEXT SHINE ---------- */
@keyframes textShine {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* =========================================================
   SCROLL REVEAL CLASSES
   ========================================================= */
[data-reveal] {
    opacity: 0;
    transition: opacity 1s var(--ease), transform 1s var(--ease);
    will-change: opacity, transform;
}

[data-reveal="up"] { transform: translateY(60px); }
[data-reveal="down"] { transform: translateY(-60px); }
[data-reveal="left"] { transform: translateX(-60px); }
[data-reveal="right"] { transform: translateX(60px); }
[data-reveal="scale"] { transform: scale(0.88); }
[data-reveal="blur"] { filter: blur(10px); transform: translateY(30px); }

[data-reveal].is-revealed {
    opacity: 1;
    transform: none;
    filter: blur(0);
}

/* Stagger delays */
[data-delay="1"] { transition-delay: 0.1s; }
[data-delay="2"] { transition-delay: 0.2s; }
[data-delay="3"] { transition-delay: 0.3s; }
[data-delay="4"] { transition-delay: 0.4s; }
[data-delay="5"] { transition-delay: 0.5s; }
[data-delay="6"] { transition-delay: 0.6s; }

/* =========================================================
   UTILITY ANIMATIONS
   ========================================================= */
.anim-float { animation: floatY 4s ease-in-out infinite; }
.anim-pulse { animation: pulse 2s ease-in-out infinite; }
.anim-rotate { animation: rotate 12s linear infinite; }

.anim-glow { animation: glowPulse 3s ease-in-out infinite; }

.anim-text-shine {
    background: linear-gradient(90deg, var(--text-1) 0%, #fff 50%, var(--text-1) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: textShine 3s linear infinite;
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
    [data-reveal] {
        opacity: 1;
        transform: none;
        filter: none;
    }
}