.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.tile {
    text-decoration: none;
    color: inherit;
    background: rgba(0, 255, 100, 0.05);
    border: 1px solid rgba(0, 255, 100, 0.2);
    border-radius: 10px;
    padding: 16px;
    transition: 0.2s ease;
    position: relative;
    overflow: hidden;
}

.tile:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 255, 100, 0.6);
    box-shadow: 0 0 15px rgba(0, 255, 100, 0.15);
}

.tile-inner h3 {
    margin: 0;
    font-size: 16px;
    color: #00ff99;
}

.tile-inner p {
    margin-top: 8px;
    font-size: 12px;
    opacity: 0.7;
}

/* subtle matrix glow effect */
.tile::before {
    content: "";
    position: absolute;
    inset: 0;
    background: radial-gradient(
            circle at 20% 20%,
            rgba(0, 255, 100, 0.1),
            transparent 60%
    );
    opacity: 0;
    transition: 0.3s;
}

.tile:hover::before {
    opacity: 1;
}