.noise { 
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200" viewBox="0 0 200 200"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.9" numOctaves="2" stitchTiles="stitch"/></filter><rect width="100%" height="100%" filter="url(%23n)" opacity=".05"/></svg>'); 
}


.cyber-grid {
    background-image: 
        linear-gradient(rgba(244,63,94,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(244,63,94,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}


.aurora-bg {
    background: linear-gradient(45deg, #b91c1c, #f43f5e, #fb7185, #fda4af, #b91c1c);
    background-size: 400% 400%;
    animation: aurora-shift 15s ease infinite;
}

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


.particle {
    position: fixed;
    pointer-events: none;
    opacity: 0;
    animation: particle-float 8s linear infinite;
}

@keyframes particle-float {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        opacity: 0;
        transform: translateY(-100vh) scale(1);
    }
}


.neon-glow {
    text-shadow: 
        0 0 10px rgba(244,63,94,0.8),
        0 0 20px rgba(244,63,94,0.6),
        0 0 30px rgba(244,63,94,0.4),
        0 0 40px rgba(244,63,94,0.2);
}


.card-hover-effect {
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-hover-effect:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(244,63,94,0.3),
        0 0 60px rgba(244,63,94,0.1),
        inset 0 0 30px rgba(244,63,94,0.05);
}


.neon-glow {
    box-shadow: 0 0 20px rgba(244, 63, 94, 0.5), 0 0 40px rgba(244, 63, 94, 0.3), 0 0 60px rgba(244, 63, 94, 0.1);
    animation: neon-pulse 2s ease-in-out infinite alternate;
}

@keyframes neon-pulse {
    0% { box-shadow: 0 0 20px rgba(244, 63, 94, 0.5), 0 0 40px rgba(244, 63, 94, 0.3), 0 0 60px rgba(244, 63, 94, 0.1); }
    100% { box-shadow: 0 0 30px rgba(244, 63, 94, 0.8), 0 0 50px rgba(244, 63, 94, 0.5), 0 0 70px rgba(244, 63, 94, 0.2); }
}


.holographic {
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06bdc1, #ff006e);
    background-size: 400% 400%;
    animation: holographic-shift 3s ease infinite;
}

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


.floating-particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}


.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, rgba(244,63,94,0.8) 0%, rgba(244,63,94,0) 70%);
    border-radius: 50%;
    animation: float-up 8s linear infinite;
}

@keyframes float-up {
    0% { transform: translateY(100vh) translateX(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-100px) translateX(100px); opacity: 0; }
}


.cyber-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(244,63,94,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(244,63,94,0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
    pointer-events: none;
    z-index: 0;
}