#scrollUp {
    position: fixed;
    bottom: 20px;
    right: 30px;
    background: linear-gradient(145deg, #3aa9ff, #0077cc); /* biru langit ke biru sedang */
    color: #f8d77b; /* warna emas */
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-size: 30px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 9999;
}

/* Saat muncul */
#scrollUp.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Efek hover */
#scrollUp:hover {
    background: linear-gradient(145deg, #004080, #0059b3);
    color: #fff;
    box-shadow: 0 0 12px rgba(255, 215, 100, 0.8);
}

/* Efek glowing ketika diklik */
#scrollUp:active {
    transform: scale(0.95);
    box-shadow: 0 0 20px rgba(255, 223, 90, 0.9),
                0 0 40px rgba(255, 223, 90, 0.6);
}
#scrollUp.clicked {
    box-shadow: 0 0 20px 5px rgba(255, 223, 90, 0.8);
}