.back-to-top {
    position: fixed !important;
    right: 16px;
    bottom: 16px;
    color: #fff;
    font-size: 1rem;
    height: 30px;
    width: 30px;
    border-radius: 50%;
    z-index: 2147483647;
    background-color: var(--primary);
}

.site-footer {
    background: var(--accent);
    color: #d1d5db;
    margin-top: auto;
}

.footer-widgets {
    padding: var(--spacing-3xl) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-widgets-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

.footer-widget-col {
    display: flex;
    flex-direction: column;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-lg);
}

.footer-logo i {
    color: var(--primary);
}

.footer-description {
    font-size: 0.938rem;
    line-height: 1.8;
    color: #9ca3af;
    margin-bottom: var(--spacing-xl);
}

/*===============================================
  FOOTER SOCIAL LINKS
===============================================*/
.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: var(--primary);
    transform: translateY(-4px);
}

/*===============================================
  FOOTER WIDGET TITLE
===============================================*/
.footer-widget-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    margin-bottom: var(--spacing-lg);
    position: relative;
    padding-bottom: var(--spacing-sm);
}

.footer-widget-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

/*===============================================
  FOOTER MENU
===============================================*/
.footer-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-menu li {
    margin-bottom: var(--spacing-sm);
}

.footer-menu a {
    display: inline-flex;
    align-items: center;
    color: #9ca3af;
    font-size: 0.938rem;
    transition: all var(--transition-fast);
    position: relative;
    padding-left: var(--spacing-md);
}

.footer-menu a::before {
    content: '→';
    position: absolute;
    left: 0;
    opacity: 0;
    transition: all var(--transition-fast);
}

.footer-menu a:hover {
    color: white;
    padding-left: var(--spacing-lg);
}

.footer-menu a:hover::before {
    opacity: 1;
}

/*===============================================
  FOOTER CONTACT INFO
===============================================*/
.footer-contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    color: #9ca3af;
    font-size: 0.938rem;
    line-height: 1.6;
}

.contact-item i {
    color: var(--bg-secondary);
    font-size: 1.125rem;
    margin-top: 2px;
    flex-shrink: 0;
}

.contact-item span {
    flex: 1;
}

.contact-item a {
    color: #9ca3af;
    transition: color var(--transition-fast);
}

.contact-item a:hover {
    color: white;
}

/*===============================================
  FOOTER BOTTOM
===============================================*/
.footer-bottom {
    padding: var(--spacing-xl) 0;
    background: rgba(0, 0, 0, 0.3);
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-xl);
}

.copyright {
    font-size: 0.875rem;
    color: #9ca3af;
}

.copyright p {
    margin: 0;
}

/*===============================================
  FOOTER PAYMENT METHODS
===============================================*/
.footer-developer {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: #9ca3af;
}

/*===============================================
  FOOTER LINKS
===============================================*/
.footer-links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-links a {
    font-size: 0.875rem;
    color: #9ca3af;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

/*===============================================
  RESPONSIVE FOOTER STYLES
===============================================*/

/* Tablet - 1024px */
@media (max-width: 1024px) {
    .footer-widgets-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-2xl);
    }
}

/* Tablet - 768px */
@media (max-width: 768px) {
    .footer-widgets {
        padding: var(--spacing-2xl) 0;
    }

    .footer-widgets-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-widget-col {
        text-align: center;
    }

    .footer-logo {
        justify-content: center;
    }

    .footer-social {
        justify-content: center;
    }

    .footer-widget-title {
        text-align: center;
    }

    .footer-widget-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-menu {
        text-align: center;
    }

    .footer-menu a {
        padding-left: 0;
        justify-content: center;
    }

    .footer-menu a::before {
        display: none;
    }

    .footer-contact {
        align-items: center;
    }

    .contact-item {
        justify-content: center;
        text-align: center;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .footer-payment {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .footer-links {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* Mobile - 480px */
@media (max-width: 480px) {
    .footer-widgets {
        padding: var(--spacing-xl) 0;
    }

    .footer-widgets-grid {
        gap: var(--spacing-xl);
    }

    .footer-logo {
        font-size: 1.5rem;
    }

    .footer-description {
        font-size: 0.875rem;
    }

    .social-link {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .footer-widget-title {
        font-size: 1rem;
    }

    .footer-menu a,
    .contact-item {
        font-size: 0.875rem;
    }

    .payment-methods i {
        font-size: 1.5rem;
    }
}