/* --- KEYFRAMES ------------------------------------ */
@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(10vw, 10vh) scale(1.2); }
}

@keyframes pulseGlow {
    from { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    to { transform: translate(-50%, -50%) scale(1.1); opacity: 1; }
}

@keyframes float-up {
    0% { opacity: 0; transform: translateY(0); }
    10% { opacity: 0.6; }
    90% { opacity: 0.2; }
    100% { opacity: 0; transform: translateY(-100vh); }
}

@keyframes pulse-border {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0, 229, 255, 0.2); }
    50% { box-shadow: 0 0 0 6px rgba(0, 229, 255, 0); }
}

@keyframes gradientFlow {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes scrollTicker {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes rotate-avatar {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes ping {
    75%, 100% { transform: scale(2.5); opacity: 0; }
}

@keyframes core-pulse {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- ANIMATION CLASSES ----------------------------- */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px) scale(0.98);
    transition: 
        opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), 
        transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
    will-change: transform, opacity;
}

.reveal-on-scroll.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.hover-glow {
    transition: var(--transition);
}

.hover-glow:hover {
    box-shadow: 0 0 25px var(--cyan-dim);
    filter: brightness(1.2);
}

.shine-effect {
    position: relative;
    overflow: hidden;
}

.shine-effect::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: rotate(45deg);
    animation: shine 3s infinite;
}

@keyframes shine {
    0% { left: -100%; }
    100% { left: 100%; }
}