/* ============================================
   Animations & Effects
   ============================================ */

/* --- Keyframes --- */
@keyframes glowPulse {
    0%, 100% { box-shadow: var(--glow-cyan); }
    50% { box-shadow: 0 0 20px rgba(0,229,255,0.7), 0 0 50px rgba(0,229,255,0.3), 0 0 80px rgba(0,229,255,0.1); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

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

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

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.85); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes bounceArrow {
    0%, 100% { transform: translateY(0) translateX(-50%); opacity: 0.5; }
    50% { transform: translateY(10px) translateX(-50%); opacity: 1; }
}

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

@keyframes textGlow {
    0%, 100% { text-shadow: var(--text-glow-cyan); }
    50% { text-shadow: 0 0 15px rgba(0,229,255,0.9), 0 0 40px rgba(0,229,255,0.5), 0 0 70px rgba(170,0,255,0.3); }
}

/* --- Gradient Border Effect --- */
.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: var(--gradient-brand);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gradient-border:hover::before {
    opacity: 1;
}