.rag-sib {
    position: fixed;
    right: clamp(14px, 2vw, 30px);
    bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 99999;
    isolation: isolate;
}

.rag-sib__button {
    position: relative;
    width: 50px;
    height: 50px;
    display: grid;
    place-items: center;
    border-radius: 50%;
    color: #fff;
    text-decoration: none !important;
    box-shadow: 0 10px 22px rgba(0, 0, 0, .28);
    transition: transform .22s ease, filter .22s ease;
}

/* Negatif katman yalnızca dekoratif gölgede kullanılır; buton tıklanabilir kalır. */
.rag-sib__button::before {
    content: "";
    position: absolute;
    inset: 5px;
    border-radius: inherit;
    background: inherit;
    filter: blur(15px);
    opacity: .42;
    z-index: -1;
}

.rag-sib__button:hover,
.rag-sib__button:focus-visible { transform: translateY(-3px) scale(1.06); filter: brightness(1.08); color: #fff; }
.rag-sib__button:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }
.rag-sib__button i { font-size: 24px; line-height: 1; color: currentColor; }
.rag-sib__button--instagram { background: linear-gradient(145deg, #d92867 10%, #b6155e 50%, #ef7d32 100%); }
.rag-sib__button--maps { background: #b8712e; }
.rag-sib__button--phone { background: #841a1d; }
.rag-sib__button--whatsapp { background: #16ae5a; }

@media (max-width: 782px) {
    .rag-sib { right: 12px; bottom: 18px; gap: 10px; }
    .rag-sib__button { width: 50px; height: 50px; }
    .rag-sib__button i { font-size: 24px; }
    .rag-sib--no-mobile { display: none; }
}

@media (min-width: 783px) {
    .rag-sib--no-desktop { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .rag-sib__button { transition: none; }
}