.vb-sidebar-buttons {
    position: fixed;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.vb-sidebar-btn {
    width: 50px;
    height: 120px;
    border: none;
    border-radius: 8px 0 0 8px;
    color: white;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    writing-mode: vertical-lr;
    text-orientation: mixed;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    cursor: pointer;
    box-shadow: -2px 0 5px rgba(0,0,0,0.1);
}

    .vb-sidebar-btn:hover {
        transform: translateX(-10px);
        box-shadow: -5px 0 15px rgba(0,0,0,0.2);
    }

    .vb-sidebar-btn:focus {
        outline: none;
        box-shadow: -2px 0 5px rgba(0,0,0,0.3);
    }

.vb-katalog-btn {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
}

    .vb-katalog-btn:hover {
        background: linear-gradient(135deg, #4338ca, #6d28d9);
    }

.vb-teklif-btn {
    background: linear-gradient(135deg, #2563eb, #3b82f6);
}

    .vb-teklif-btn:hover {
        background: linear-gradient(135deg, #1d4ed8, #2563eb);
    }

.vb-sosyal-btn {
    background: linear-gradient(135deg, #1f2937, #374151);
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-evenly;
    align-items: center;
    writing-mode: initial;
    text-orientation: initial;
}

    .vb-sosyal-btn:hover {
        background: linear-gradient(135deg, #111827, #1f2937);
    }

    .vb-sosyal-btn i {
        font-size: 18px;
        margin: 2px 0;
    }