/**
 * Flash to Loan Enhanced Footer Styles
 * Modern, responsive footer design with animations
 */

/* Footer Container */
.footer {
    background: linear-gradient(135deg, #1f2937 0%, #111827 100%);
    color: #e5e7eb;
    padding: 4rem 0 2rem;
    margin-top: 4rem;
    border-top: 3px solid #3b82f6;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #3b82f6, #60a5fa, #3b82f6);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

.footer .container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.footer .row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Footer Brand Section */
.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-brand-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.footer-brand-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
}

.footer-brand-icon:hover {
    transform: translateY(-3px) rotate(5deg);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.6);
}

.footer-brand-text h4 {
    font-size: 1.5rem;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.footer-description {
    color: #9ca3af;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Social Links */
.footer-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: rgba(59, 130, 246, 0.1);
    border: 2px solid rgba(59, 130, 246, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #3b82f6;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.footer-social a:hover {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
    transform: translateY(-3px) scale(1.1);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Footer Columns */
.footer-column h5 {
    color: #3b82f6;
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-column h5::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #3b82f6, transparent);
}

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

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a::before {
    content: '→';
    opacity: 0;
    transform: translateX(-10px);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #3b82f6;
    transform: translateX(5px);
}

.footer-links a:hover::before {
    opacity: 1;
    transform: translateX(0);
}

/* Crypto Icons */
.footer-crypto {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.crypto-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem;
    background: rgba(59, 130, 246, 0.05);
    border-radius: 8px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    transition: all 0.3s ease;
}

.crypto-item:hover {
    background: rgba(59, 130, 246, 0.1);
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateX(5px);
}

.crypto-icon {
    font-size: 1.5rem;
    color: #3b82f6;
}

.crypto-name {
    font-size: 0.9rem;
    color: #e5e7eb;
    font-weight: 600;
}

/* Footer Divider */
.footer-divider {
    border: none;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
    margin: 2rem 0;
}

/* Footer Bottom */
.footer-bottom {
    text-align: center;
    padding-top: 2rem;
}

.footer-copyright {
    color: #9ca3af;
    font-size: 0.9rem;
    margin: 0;
}

.footer-copyright .heart {
    color: #3b82f6;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(1); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .footer .row {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer {
        padding: 3rem 0 1.5rem;
        margin-top: 3rem;
    }
    
    .footer .container {
        padding: 0 1rem;
    }
    
    .footer .row {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-brand {
        grid-column: 1;
        text-align: center;
    }
    
    .footer-brand-logo {
        justify-content: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-column {
        text-align: center;
    }
    
    .footer-column h5::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links a {
        justify-content: center;
    }
    
    .crypto-item {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .footer {
        padding: 2rem 0 1rem;
        margin-top: 2rem;
    }
    
    .footer .container {
        padding: 0 0.75rem;
    }
    
    .footer .row {
        gap: 1.5rem;
    }
    
    .footer-brand-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .footer-brand-text h4 {
        font-size: 1.25rem;
    }
    
    .footer-description {
        font-size: 0.875rem;
    }
    
    .footer-social a {
        width: 36px;
        height: 36px;
        font-size: 1rem;
    }
    
    .footer-column h5 {
        font-size: 1rem;
    }
    
    .footer-links a {
        font-size: 0.875rem;
    }
    
    .footer-copyright {
        font-size: 0.8rem;
    }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    border: none;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
    transition: all 0.3s ease;
    z-index: 999;
}

.scroll-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.6);
}

.scroll-to-top.visible {
    display: flex;
}

@media (max-width: 768px) {
    .scroll-to-top {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
        font-size: 1.1rem;
    }
}