.donate-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 30px auto;
    max-width: 1000px;
}

.donate-card {
    background: #181818;
    border: 2px solid #3c3c3c;
    border-radius: 15px;
    padding: 20px 30px;
    text-align: center;
    color: #fff;
    width: 150px;
    cursor: pointer;
    transition: transform 0.2s, border-color 0.3s;
    box-shadow: 0 0 10px rgba(255,255,255,0.05);
}

.donate-card:hover,
.donate-card:focus {
    transform: scale(1.05);
    border-color: #00ffcc;
    outline: none;
}

.donate-card h3 {
    margin: 0;
    font-size: 26px;
}

.donate-card .amount {
    font-weight: bold;
    color: #00ffcc;
}

.donate-card .currency {
    margin-left: 5px;
    color: #999;
    font-size: 18px;
}

.donate-card p {
    margin-top: 10px;
    font-size: 16px;
    color: #ccc;
}