/* ═══ KEYFRAMES ═══ */

@keyframes blink {
    0%, 49% { opacity: 1; }
    50%, 100% { opacity: 0; }
}

@keyframes logo-glow {
    0%, 100% { text-shadow: 4px 4px 0 var(--green), 8px 8px 0 rgba(0,0,0,0.8), 0 0 40px rgba(0,255,136,0.3); }
    50% { text-shadow: 4px 4px 0 var(--green), 8px 8px 0 rgba(0,0,0,0.8), 0 0 60px rgba(0,255,136,0.5); }
}

@keyframes bubble-rise {
    0%, 100% { height: 55%; }
    50% { height: 65%; }
}

@keyframes bubble-float {
    0% { bottom: 20%; opacity: 0.8; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.4; }
    100% { bottom: 90%; opacity: 0; transform: translateX(-50%) scale(0.5); }
}

@keyframes specimen-float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(-8px); }
}

@keyframes elixir-wave {
    0%, 100% { height: 70%; }
    50% { height: 73%; }
}

@keyframes bubble-up {
    0% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { opacity: 0.3; }
    100% { transform: translateY(-80px) scale(0.3); opacity: 0; }
}

@keyframes pour-tilt {
    0% { transform: rotate(0deg) scale(1.05); }
    20% { transform: rotate(-15deg) scale(1.05); }
    60% { transform: rotate(-15deg) scale(1.05); }
    100% { transform: rotate(0deg) scale(1); }
}

@keyframes elixir-receive {
    0% { height: 70%; }
    40% { height: 75%; }
    60% { height: 80%; }
    100% { height: 70%; }
}

@keyframes star-twinkle {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 1; }
}

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

@keyframes screen-flicker {
    0%, 95%, 100% { opacity: 1; }
    96% { opacity: 0.3; }
    97% { opacity: 0.8; }
    98% { opacity: 0.4; }
}

@keyframes marker-flicker {
    0%, 88%, 100% { opacity: 0.8; }
    89%, 91% { opacity: 0.25; }
    92%, 94% { opacity: 1; }
}

@keyframes marker-led {
    0%, 60%, 100% { opacity: 0.35; }
    61%, 72% { opacity: 1; }
}

@keyframes marker-scan {
    0%, 72%, 100% { transform: translateY(-10px); opacity: 0; }
    73% { transform: translateY(-4px); opacity: 0.55; }
    86% { transform: translateY(8px); opacity: 0.2; }
}

@keyframes hint-pulse {
    0%, 100% { transform: translateY(-50%) translateX(0); opacity: 0.6; }
    50% { transform: translateY(-50%) translateX(5px); opacity: 1; }
}

@keyframes type-text {
    0% { opacity: 0.8; }
    50% { opacity: 1; }
    100% { opacity: 0.8; }
}

@keyframes graph-scroll {
    from { transform: translateX(-20px); }
    to { transform: translateX(0); }
}

@keyframes walk-cycle {
    0%, 100% { transform: translateY(0); }
    25% { transform: translateY(-2px); }
    75% { transform: translateY(2px); }
}

/* ═══ SCANLINE OVERLAY ═══ */
.section::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.03) 0 1px, transparent 1px 3px);
    z-index: 100;
}

/* ═══ SCENE TRANSITIONS ═══ */
.section {
    opacity: 1;
    transition: opacity 0.5s ease;
}

/* ═══ FOUND EASTER EGG ═══ */
.easter-egg.found::after {
    animation: none;
    box-shadow: 0 0 20px currentColor;
    transform: scale(1.5);
}

.easter-egg.found::before {
    content: '✓';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-pixel);
    font-size: 8px;
    color: var(--green);
}