.neon-button {
    padding: 8px 16px;
    font-size: 14px;
    color: #fff;
    background: none;
    border: 2px solid #645fce;
    border-radius: 5px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transition: color 0.3s, box-shadow 0.3s, border-color 0.3s;
}

.neon-button:hover {
    color: #645fce;
    border-color: #645fce;
    box-shadow: 0 0 8px #645fce, 0 0 16px #645fce;
}


/* Tablets (portrait and landscape) */
@media (min-width: 600px) and (max-width: 899px) {
    .neon-button {
        padding: 10px 20px;
        font-size: 16px;
    }
}

/* Mobile phones (portrait) */
@media (max-width: 599px) {
    .neon-button {
        padding: 12px 24px;
        font-size: 18px;
    }
}

/* Laptops and larger screens */
@media (min-width: 900px) {
    .neon-button {
        padding: 8px 16px;
        font-size: 14px;
    }
}

/* Mobile phones (portrait) */
@media (max-width: 599px) {
    .neon-button {
        padding: 4px 8px;
        font-size: 13px;
    }
}

/* Laptops and larger screens */
@media (min-width: 900px) {
    .neon-button {
        padding: 8px 16px;
        font-size: 14px;
    }
}