/**
 * Sabit WhatsApp destek düğmesi — çerez bandının altında (z-index).
 */
.rv-wa-float {
    position: fixed;
    z-index: 1070;
    right: max(0.85rem, env(safe-area-inset-right, 0px));
    bottom: max(0.85rem, env(safe-area-inset-bottom, 0px));
    width: 3.35rem;
    height: 3.35rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(145deg, #2fe066 0%, #25d366 45%, #128c7e 100%);
    color: #fff !important;
    text-decoration: none !important;
    box-shadow:
        0 4px 18px rgba(37, 211, 102, 0.45),
        0 0 0 1px rgba(255, 255, 255, 0.18) inset,
        0 12px 28px rgba(0, 0, 0, 0.35);
    transition: transform 0.22s ease, box-shadow 0.22s ease, filter 0.22s ease;
    -webkit-tap-highlight-color: transparent;
}

.rv-wa-float:hover {
    transform: scale(1.06);
    filter: brightness(1.05);
    box-shadow:
        0 6px 24px rgba(37, 211, 102, 0.55),
        0 0 0 1px rgba(255, 255, 255, 0.22) inset,
        0 14px 32px rgba(0, 0, 0, 0.4);
    color: #fff !important;
}

.rv-wa-float:focus-visible {
    outline: 2px solid #25d366;
    outline-offset: 3px;
}

.rv-wa-float .fab {
    font-size: 1.65rem;
    line-height: 1;
    filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.25));
}

@media (min-width: 992px) {
    .rv-wa-float {
        width: 3.5rem;
        height: 3.5rem;
        right: max(1.1rem, env(safe-area-inset-right, 0px));
        bottom: max(1.1rem, env(safe-area-inset-bottom, 0px));
    }

    .rv-wa-float .fab {
        font-size: 1.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .rv-wa-float,
    .rv-wa-float:hover {
        transition: none;
    }

    .rv-wa-float:hover {
        transform: none;
    }
}