* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background: radial-gradient(circle at top, #0f2027, #000000);
}

.card {
    width: 350px;
    padding: 35px 25px;
    text-align: center;
    color: white;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 255, 255, 0.3);
    border-radius: 25px;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.4);
    animation: fadeIn 1s ease-in-out;
}

.donate-card {
    padding-top: 40px;
}

h1 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff;
}

p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
}

.donate-text {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
}

.qris-img {
    width: 230px;
    margin: 20px 0;
    border: 3px solid #00ffff;
    border-radius: 18px;
    box-shadow: 0 0 25px #00ffff;
    transition: 0.4s ease;
}

.qris-img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 35px #39ff14;
}

.link-btn {
    display: block;
    padding: 12px;
    margin: 15px 0;
    font-weight: 500;
    text-decoration: none;
    color: black;
    background: linear-gradient(45deg, #00ffff, #39ff14);
    border-radius: 12px;
    box-shadow: 0 0 15px #00ffff;
    transition: 0.3s ease;
}

.link-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 25px #39ff14;
}

.footer-text {
    margin-top: 20px;
    font-size: 12px;
    color: #00ffff;
    text-shadow: 0 0 8px #00ffff, 0 0 15px #39ff14;
    opacity: 0.9;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 400px) {
    .card {
        width: 90%;
    }

    .qris-img {
        width: 200px;
    }
}