/* Başlangıçta Görünmez ve Aşağıda Duran Buton */
.yukari-cik-btn {
    position: fixed;
    bottom: 105px;
    right: 30px;
    width: 45px;
    height: 45px;
    background-color: var(--yellow);
    color: #000;
    border: none;
    border-radius: 8px;
    font-size: 20px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
}

.yukari-cik-btn.goster {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.yukari-cik-btn:hover {
    background-color: #fff;
    color: #000;
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(251, 167, 7, 0.6);
}

/* ========================================== */
/* === MOBİL TASARIMI (Hizalama Revize) === */
/* ========================================== */
@media (max-width: 768px) {
    .yukari-cik-btn {
        bottom: 85px;
        right: 25px !important; /* WhatsApp ile aynı hizaya (25px) çektik */
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
}