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

body {
    font-family: Arial, sans-serif;
    background: #02030a;
    color: white;
    text-align: center;
    overflow: hidden;
}

/* Container */
.container {
    position: relative;
    top: 18vh;
    z-index: 2;
}

/* Title */
.title {
    font-size: 60px;
    letter-spacing: 5px;
}

.glow {
    text-shadow: 0 0 10px #00ffff,
                 0 0 20px #00ffff,
                 0 0 40px #00ffff;
}

/* Subtitle */
.subtitle {
    margin-top: 10px;
    color: #aaa;
    margin-bottom: 40px;
}

/* Buttons */
.buttons {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}

.btn {
    padding: 15px 40px;
    border-radius: 10px;
    text-decoration: none;
    color: white;
    font-size: 18px;
    transition: 0.3s;
    backdrop-filter: blur(5px);
}

/* Neon styles */
.neon {
    border: 2px solid #00ff9f;
    box-shadow: 0 0 15px #00ff9f;
}

.neon-blue {
    border: 2px solid #00ffff;
    box-shadow: 0 0 15px #00ffff;
}

.neon-purple {
    border: 2px solid #b700ff;
    box-shadow: 0 0 15px #b700ff;
}

.btn:hover {
    transform: scale(1.1);
    box-shadow: 0 0 25px currentColor;
}

/* Back link */
.back {
    color: #00ffff;
    text-decoration: none;
}

/* Animated Grid Background */
.grid-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(#00ffff22 1px, transparent 1px),
        linear-gradient(90deg, #00ffff22 1px, transparent 1px);
    background-size: 40px 40px;
    animation: gridMove 15s linear infinite;
    z-index: 1;
}

@keyframes gridMove {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 40px 40px;
    }
}