/* ===== دکمه واتساپ - پایین سمت راست ===== */
.cfb-whatsapp-btn {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.5);
    z-index: 999999;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cfb-whatsapp-btn:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.75);
}

.cfb-pulse {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 211, 102, 0.55);
    animation: cfb-pulse-anim 2s infinite;
    z-index: -1;
}

@keyframes cfb-pulse-anim {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }
    100% {
        transform: scale(1.9);
        opacity: 0;
    }
}

/* ===== آیکون‌های اجتماعی - پایین سمت چپ ===== */
.cfb-social-stack {
    position: fixed;
    bottom: 25px;
    left: 25px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 999999;
}

.cfb-social-btn {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cfb-social-btn:hover {
    transform: scale(1.15) translateX(-4px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.35);
}

.cfb-telegram {
    background: linear-gradient(135deg, #2AABEE, #229ED9);
}

.cfb-instagram {
    background: linear-gradient(135deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888);
}

.cfb-youtube {
    background: linear-gradient(135deg, #FF0000, #CC0000);
}

/* ===== واکنش‌گرا برای موبایل ===== */
@media (max-width: 600px) {
    .cfb-whatsapp-btn {
        width: 52px;
        height: 52px;
        bottom: 15px;
        right: 15px;
    }
    .cfb-pulse {
        width: 52px;
        height: 52px;
    }
    .cfb-social-stack {
        bottom: 15px;
        left: 15px;
        gap: 10px;
    }
    .cfb-social-btn {
        width: 40px;
        height: 40px;
    }
}