.whatsapp-destek {
    position: fixed;
    right: 22px;
    bottom: 24px;
    z-index: 2222;
    display: inline-flex;
    align-items: center;
    gap: 11px;
    min-height: 58px;
    padding: 8px 17px 8px 8px;
    border: 1px solid rgba(255, 255, 255, .42);
    border-radius: 18px;
    background: linear-gradient(135deg, #20bd68, #12964f);
    color: #fff;
    box-shadow: 0 16px 36px rgba(18, 150, 79, .28);
    text-decoration: none;
    transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}

.whatsapp-destek::before {
    position: absolute;
    inset: -5px;
    z-index: -1;
    border: 1px solid rgba(37, 211, 102, .22);
    border-radius: 22px;
    content: "";
    animation: whatsapp-destek-nefes 2.4s ease-out infinite;
}

.whatsapp-destek:hover,
.whatsapp-destek:focus {
    transform: translateY(-3px);
    background: linear-gradient(135deg, #25d366, #108f49);
    color: #fff;
    box-shadow: 0 20px 42px rgba(18, 150, 79, .36);
    text-decoration: none;
}

.whatsapp-destek__icon {
    display: grid;
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    place-items: center;
    border-radius: 13px;
    background: rgba(255, 255, 255, .17);
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .16);
    font-size: 24px;
}

.whatsapp-destek__text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.whatsapp-destek__text small {
    margin-bottom: 3px;
    color: rgba(255, 255, 255, .78);
    font-size: 10px;
    font-weight: 600;
}

.whatsapp-destek__text strong {
    color: #fff;
    font-size: 13px;
    font-weight: 800;
    letter-spacing: -.01em;
}

@keyframes whatsapp-destek-nefes {
    0% {
        transform: scale(.96);
        opacity: .8;
    }
    70%, 100% {
        transform: scale(1.08);
        opacity: 0;
    }
}

@media (max-width: 767px) {
    .whatsapp-destek {
        right: 14px;
        bottom: calc(14px + env(safe-area-inset-bottom, 0px));
        min-width: 50px;
        min-height: 50px;
        padding: 5px;
        border-radius: 16px;
        box-shadow: 0 12px 28px rgba(18, 150, 79, .30);
    }

    .whatsapp-destek__icon {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
        border-radius: 12px;
        font-size: 22px;
    }

    .whatsapp-destek__text {
        display: none;
    }

    .scroll-top {
        right: 18px;
        width: 42px;
        height: 42px;
        line-height: 42px;
        border: 2px solid #fff;
        box-shadow: 0 10px 24px rgba(31, 41, 55, .20);
    }

    .scroll-top.open {
        right: 18px;
        bottom: calc(78px + env(safe-area-inset-bottom, 0px));
    }
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-destek,
    .whatsapp-destek::before {
        animation: none;
        transition: none;
    }
}