/* ============================================
   VAI DE BET - FOOTER CSS
   Style: 豪华金色赌场 (Luxury Gold Casino)
   ============================================ */

/* ============================================
   FOOTER CONTAINER
   ============================================ */
.footer {
    background: linear-gradient(180deg, var(--color-bg-secondary) 0%, var(--color-bg-primary) 100%);
    border-top: 1px solid rgba(255, 215, 0, 0.1);
    padding-top: var(--spacing-xxl);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ============================================
   FOOTER TOP - MAIN CONTENT
   ============================================ */
.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

/* Brand Column */
.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: var(--spacing-md);
}

.footer-logo img {
    height: 45px;
    width: auto;
}

.footer-logo-text {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 800;
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    transition: all var(--transition-normal);
}

.footer-social-link:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: #000000;
    transform: translateY(-3px);
}

/* Footer Columns */
.footer-column {
    display: flex;
    flex-direction: column;
}

.footer-title {
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-gold);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-xs);
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.footer-links {
    list-style: none;
    margin: 0;
    padding: 0;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-link {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.footer-link:hover {
    color: var(--color-primary);
    padding-left: 5px;
}

.footer-link::before {
    content: '›';
    color: var(--color-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.footer-link:hover::before {
    opacity: 1;
}

/* ============================================
   FOOTER MIDDLE - LICENSES & TRUST
   ============================================ */
.footer-middle {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-licenses {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
}

.license-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--color-bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 0.8rem;
    color: var(--color-text-secondary);
}

.license-badge img {
    height: 24px;
    width: auto;
}

.license-badge span {
    white-space: nowrap;
}

.footer-payments {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.payment-icon {
    height: 30px;
    width: auto;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.payment-icon:hover {
    opacity: 1;
}

/* ============================================
   FOOTER RESPONSIBLE GAMING
   ============================================ */
.footer-responsible {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.responsible-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.responsible-item img {
    height: 32px;
    width: auto;
}

.responsible-item span {
    color: var(--color-text-secondary);
}

/* ============================================
   FOOTER DISCLAIMER
   ============================================ */
.footer-disclaimer {
    padding: var(--spacing-lg) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-disclaimer-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.footer-disclaimer-text strong {
    color: var(--color-text-secondary);
}

/* ============================================
   FOOTER BOTTOM - COPYRIGHT
   ============================================ */
.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-copyright a {
    color: var(--color-primary);
}

.footer-legal-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-legal-link {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-legal-link:hover {
    color: var(--color-primary);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
        max-width: 100%;
        text-align: center;
    }

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

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

@media (max-width: 768px) {
    .footer-top {
        grid-template-columns: 1fr;
        text-align: center;
    }

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

    .footer-title {
        display: inline-block;
    }

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

    .footer-link::before {
        display: none;
    }

    .footer-link:hover {
        padding-left: 0;
    }

    .footer-middle {
        flex-direction: column;
        text-align: center;
    }

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal-links {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding-top: var(--spacing-xl);
    }

    .license-badge {
        padding: 6px 12px;
        font-size: 0.75rem;
    }

    .license-badge img {
        height: 20px;
    }

    .footer-disclaimer-text {
        font-size: 0.75rem;
    }
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient-gold);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-button);
    z-index: 999;
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.5);
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
    }
}