.join-btn {
    background: linear-gradient(135deg, #ffcc00, #ff9900);
    color: #000;
    padding: 14px 32px;
    border-radius: 50px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    white-space: nowrap;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all 0.25s ease;
}

.join-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.25);
}