:root {
    --primary-color: #00ffc8;
    --secondary-color: #ff00ff;
    --bg-color: #050510;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-shadow: 0 0 10px rgba(0, 255, 200, 0.5);
    --box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    margin: 0;
    font-family: 'Press Start 2P', cursive; /* Keeping the arcade vibe */
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(255, 0, 255, 0.2) 0%, transparent 20%),
        radial-gradient(circle at 90% 80%, rgba(0, 255, 200, 0.15) 0%, transparent 20%);
    color: #fff;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Background Grid Animation */
.grid-bg {
    position: absolute;
    width: 200vw;
    height: 200vh;
    background-image: 
        linear-gradient(var(--glass-border) 1px, transparent 1px),
        linear-gradient(90deg, var(--glass-border) 1px, transparent 1px);
    background-size: 50px 50px;
    transform: perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);
    animation: gridMove 20s linear infinite;
    z-index: -1;
    opacity: 0.3;
    pointer-events: none;
}

@keyframes gridMove {
    0% { transform: perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px); }
    100% { transform: perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px); }
}

h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    text-align: center;
    color: transparent;
    -webkit-text-stroke: 1px #fff;
    text-shadow: 
        0 0 10px var(--primary-color),
        0 0 20px var(--primary-color),
        0 0 40px var(--secondary-color);
    animation: glow-pulse 3s infinite alternate;
}

@keyframes glow-pulse {
    0% { opacity: 0.8; text-shadow: 0 0 10px var(--primary-color); }
    100% { opacity: 1; text-shadow: 0 0 20px var(--primary-color), 0 0 40px var(--secondary-color); }
}

.container {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    max-width: 1200px;
    z-index: 10;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2rem;
    width: 280px;
    height: 350px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    text-decoration: none;
    color: white;
    box-shadow: var(--box-shadow);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    transition: 0.5s;
}

.card:hover::before {
    transform: translateX(100%);
}

.card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 15px 35px rgba(0, 0, 0, 0.5),
        0 0 20px rgba(0, 255, 200, 0.2);
    border-color: var(--primary-color);
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.5));
}

.card h2 {
    font-size: 1.2rem;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.card p {
    font-size: 0.7rem;
    text-align: center;
    color: #aaa;
    line-height: 1.5;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; /* Readable font for description */
}

.play-btn {
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    font-family: 'Press Start 2P', cursive;
    font-size: 0.8rem;
    border-radius: 5px;
    transition: 0.3s;
    text-transform: uppercase;
}

.card:hover .play-btn {
    background: var(--primary-color);
    color: #000;
    box-shadow: 0 0 15px var(--primary-color);
}

/* Specific Card Themes */
.card.shooter:hover { border-color: #00ffc8; }
.card.pacman:hover { border-color: #ffff00; }
.card.pacman:hover .play-btn { background: #ffff00; color: #000; box-shadow: 0 0 15px #ffff00; border-color: #ffff00; }
.card.pacman h2 { color: #ffff00; }

.card.fruit:hover { border-color: #ff0055; }
.card.fruit:hover .play-btn { background: #ff0055; color: #fff; box-shadow: 0 0 15px #ff0055; border-color: #ff0055; }
.card.fruit h2 { color: #ff0055; }

.card.score:hover { border-color: #8888ff; }
.card.score:hover .play-btn { background: #8888ff; color: #fff; box-shadow: 0 0 15px #8888ff; border-color: #8888ff; }
.card.score h2 { color: #8888ff; }

/* Responsive */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
        align-items: center;
    }
    .card {
        width: 90%;
        max-width: 350px;
        height: auto;
    }
}