/* ===== Scroll to Top Button ===== */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s ease;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

body[dir="rtl"] .scroll-top {
    right: auto;
    left: 30px;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.scroll-top:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.6);
}

.scroll-top svg {
    width: 24px;
    height: 24px;
    stroke: white;
    stroke-width: 2.5;
    fill: none;
}

@media (max-width: 768px) {
    .scroll-top {
        bottom: 90px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
    body[dir="rtl"] .scroll-top {
        left: 20px;
    }
}