/* Floating Action Buttons */
.floating-phone {
    position: fixed;
    right: 20px;
    bottom: 80px;
    width: 45px;
    height: 45px;
    background: #ff4444;
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    z-index: var(--z-floating); /* 800 */
    transition: all 0.3s ease;
    text-decoration: none;
}

.back-to-top {
    position: fixed;
    bottom: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    background: rgba(60, 60, 60, 0.85);
    color: rgba(255, 255, 255, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    z-index: var(--z-floating); /* 800 */
    transition: all 0.25s ease;
    opacity: 0;
    visibility: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Button Hover Effects */
.floating-phone:hover {
    transform: scale(1.1);
    background: #ff6666;
}

.back-to-top:hover {
    background: rgba(80, 80, 80, 0.95);
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
}

.back-to-top:active {
    transform: translateY(0);
}

.back-to-top.visible {
    display: flex;
    opacity: 1;
    visibility: visible;
}