/* VHS Visual Effects */

/* Static Noise Overlay */
#static-overlay {
position: fixed;
top: 0;
left: 0;
width: 100vw;
height: 100vh;
background: url('../assets/images/static.gif') repeat;
opacity: 0.03;
pointer-events: none;
z-index: 100;
mix-blend-mode: lighten;
}

/* Tracking Lines */
.tracking-line {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background: rgba(255, 255, 255, 0.4);
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
    z-index: 200;
    pointer-events: none;
    opacity: 0;
    animation: trackingMove 8s infinite;
}

@keyframes trackingMove {
    0% {
        transform: translateY(-10px);
        opacity: 0;
    }
    10% {
        transform: translateY(100vh);
        opacity: 0.7;
    }
    10.1% {
        transform: translateY(-10px);
        opacity: 0;
    }
    50% {
        opacity: 0;
    }
    60% {
        transform: translateY(-10px);
        opacity: 0;
    }
    70% {
        transform: translateY(100vh);
        opacity: 0.7;
    }
    70.1% {
        transform: translateY(-10px);
        opacity: 0;
    }
    100% {
        opacity: 0;
    }
}

/* CRT Screen Effect */
body:before {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
    z-index: 99;
}

/* Scanlines effect */
body:after {
    content: " ";
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background: rgba(18, 16, 16, 0.1);
    opacity: 0;
    z-index: 98;
    pointer-events: none;
    animation: flicker 0.15s infinite;
}

@keyframes flicker {
    0% {opacity: 0.27049;}
    5% {opacity: 0.34699;}
    10% {opacity: 0.23201;}
    15% {opacity: 0.00000;}
    20% {opacity: 0.31708;}
    25% {opacity: 0.28400;}
    30% {opacity: 0.41350;}
    35% {opacity: 0.00000;}
    40% {opacity: 0.12590;}
    45% {opacity: 0.00000;}
    50% {opacity: 0.32501;}
    55% {opacity: 0.00000;}
    60% {opacity: 0.42100;}
    65% {opacity: 0.30701;}
    70% {opacity: 0.00000;}
    75% {opacity: 0.24201;}
    80% {opacity: 0.13799;}
    85% {opacity: 0.00000;}
    90% {opacity: 0.40100;}
    95% {opacity: 0.00000;}
    100% {opacity: 0.32501;}
}

/* Text Glitch Effect */
.glitch-text {
    position: relative;
}

.glitch-text:after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    color: var(--vhs-red);
    transform: translateX(1px);
    opacity: 0;
    animation: glitch-anim 3.5s infinite;
}

.glitch-text:before {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    color: var(--vhs-blue);
    transform: translateX(-1px);
    opacity: 0;
    animation: glitch-anim2 4s infinite;
}

@keyframes glitch-anim {
    0% { opacity: 0; }
    1% { opacity: 1; transform: translateX(2px); }
    2% { opacity: 0; transform: translateX(0); }
    49% { opacity: 0; }
    50% { opacity: 1; transform: translateX(-2px); }
    51% { opacity: 0; transform: translateX(0); }
    92% { opacity: 0; }
    93% { opacity: 1; transform: translateX(2px) translateY(-2px); }
    94% { opacity: 0; transform: translateX(0) translateY(0); }
    100% { opacity: 0; }
}

@keyframes glitch-anim2 {
    0% { opacity: 0; }
    7% { opacity: 1; transform: translateX(-2px); }
    8% { opacity: 0; transform: translateX(0); }
    65% { opacity: 0; }
    66% { opacity: 1; transform: translateX(2px); }
    67% { opacity: 0; transform: translateX(0); }
    82% { opacity: 0; }
    83% { opacity: 1; transform: translateX(1px) translateY(2px); }
    84% { opacity: 0; transform: translateX(0) translateY(0); }
    100% { opacity: 0; }
}

/* VHS Rewind Animation */
.rewinding {
    animation: rewind 1s ease-in-out;
    overflow: hidden;
}

@keyframes rewind {
    0% {
        transform: translateX(0);
        filter: blur(0);
    }
    25% {
        transform: translateX(-10px);
        filter: blur(1px) brightness(1.2);
    }
    50% {
        transform: translateX(10px);
        filter: blur(2px) brightness(1.3);
    }
    75% {
        transform: translateX(-5px);
        filter: blur(1px) brightness(1.2);
    }
    100% {
        transform: translateX(0);
        filter: blur(0);
    }
}

/* VHS Degradation Effect */
.vhs-degradation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom,
                                rgba(255,0,0,0.03),
                                rgba(0,255,0,0.03),
                                rgba(0,0,255,0.03));
    mix-blend-mode: color;
    pointer-events: none;
    opacity: 0.5;
    z-index: 97;
}

/* Digital Artifacts Effect */
.digital-artifact {
    position: absolute;
    background: rgba(255,255,255,0.8);
    pointer-events: none;
    z-index: 101;
    display: none;
}