/* =========================================
   ANIMATIONS & KEYFRAMES
   ========================================= */

/* Easter egg — Konami glitch */
@keyframes konami-glitch {
    0%   { filter: none; transform: none; }
    8%   { filter: brightness(3) hue-rotate(90deg); transform: skewX(6deg) translateX(4px); }
    16%  { filter: none; transform: none; }
    24%  { filter: invert(0.15) hue-rotate(200deg); transform: skewX(-3deg) translateX(-3px); }
    32%  { filter: none; transform: none; }
    42%  { filter: brightness(1.6) saturate(3) hue-rotate(120deg); transform: skewY(2deg); }
    50%  { filter: none; transform: none; }
    60%  { filter: invert(0.08); transform: translateX(2px); }
    70%  { filter: none; transform: none; }
    100% { filter: none; transform: none; }
}
.konami-active {
    animation: konami-glitch 1.4s ease forwards;
}

/* Easter egg overlay */
#konami-overlay {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99998;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
#konami-overlay.visible { opacity: 1; }
.konami-msg {
    font-family: var(--font-mono);
    font-size: clamp(0.8rem, 2vw, 1.1rem);
    font-weight: 700;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.25em;
    border: 1px solid var(--accent);
    padding: 1.2rem 2.5rem;
    background: rgba(5,5,5,0.92);
    text-align: center;
    animation: konami-glitch 1.4s ease forwards;
}

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

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

@keyframes pulse {
    0%, 100% { opacity: 1; box-shadow: 0 0 5px #00ff00; }
    50% { opacity: 0.6; box-shadow: 0 0 12px #00ff00; }
}

@keyframes pulseGlow {
    0% { background: radial-gradient(circle, rgba(255, 51, 102, 0.08) 0%, rgba(0,0,0,0) 70%); }
    100% { background: radial-gradient(circle, rgba(0, 212, 255, 0.08) 0%, rgba(0,0,0,0) 70%); }
}

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

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

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

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

/* Reduced motion overrides */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}