.float-contact-btn {
    position: fixed;
    right: var(--spacing-6);
    bottom: var(--spacing-6);
    width: 60px;
    height: 60px;
    background: var(--gradient-accent);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 28px;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    z-index: var(--z-index-popover);
    transition: all var(--transition-normal);
    animation: float 3s ease-in-out infinite
}

.float-contact-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow)
}

@keyframes float {
    0%, 100% {
        transform: translateY(0)
    }
    50% {
        transform: translateY(-10px)
    }
}

.float-contact-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-index-modal);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal)
}

.float-contact-modal.active {
    opacity: 1;
    visibility: visible
}

.float-contact-modal-content {
    background: var(--color-white);
    padding: var(--spacing-8);
    border-radius: var(--border-radius-2xl);
    box-shadow: var(--shadow-2xl);
    max-width: 400px;
    width: 90%;
    text-align: center;
    transform: scale(0.9);
    transition: transform var(--transition-normal)
}

.float-contact-modal.active .float-contact-modal-content {
    transform: scale(1)
}

.float-contact-modal-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-4)
}

.float-contact-modal-qr {
    width: 280px;
    height: 280px;
    margin: var(--spacing-6) auto;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md)
}

.float-contact-modal-qr img {
    width: 100%;
    height: 100%;
    object-fit: cover
}

.float-contact-modal-text {
    color: var(--color-medium);
    font-size: var(--font-size-base);
    line-height: 1.6;
    margin-bottom: var(--spacing-6)
}

.float-contact-modal-text strong {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold)
}

.float-contact-modal-close {
    position: absolute;
    top: var(--spacing-4);
    right: var(--spacing-4);
    width: 36px;
    height: 36px;
    background: var(--color-light);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 20px;
    color: var(--color-medium);
    transition: all var(--transition-fast)
}

.float-contact-modal-close:hover {
    background: var(--color-border);
    color: var(--color-dark)
}

.float-contact-modal-actions {
    display: flex;
    gap: var(--spacing-4);
    justify-content: center
}

.float-contact-modal-btn {
    padding: var(--spacing-3) var(--spacing-6);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none
}

.float-contact-modal-btn-primary {
    background: var(--gradient-primary);
    color: var(--color-white)
}

.float-contact-modal-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary)
}

.float-contact-modal-btn-secondary {
    background: var(--color-light);
    color: var(--color-dark)
}

.float-contact-modal-btn-secondary:hover {
    background: var(--color-border)
}

.float-contact-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-2) var(--spacing-4);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    pointer-events: none
}

.float-contact-btn:hover .float-contact-tooltip {
    opacity: 1;
    visibility: visible
}

.float-contact-tooltip::after {
    content: '';
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    border-width: 6px 0 6px 6px;
    border-style: solid;
    border-color: transparent transparent transparent var(--color-dark)
}

@media (max-width: 768px) {
    .float-contact-btn {
        right: var(--spacing-4);
        bottom: var(--spacing-4);
        width: 50px;
        height: 50px;
        font-size: 24px
    }

    .float-contact-tooltip {
        display: none
    }

    .float-contact-modal-content {
        padding: var(--spacing-6)
    }

    .float-contact-modal-qr {
        width: 220px;
        height: 220px
    }
}

@media (max-width: 480px) {
    .float-contact-btn {
        right: var(--spacing-3);
        bottom: var(--spacing-3);
        width: 48px;
        height: 48px;
        font-size: 22px
    }

    .float-contact-modal-content {
        padding: var(--spacing-5);
        max-width: 320px
    }

    .float-contact-modal-qr {
        width: 200px;
        height: 200px
    }
}