/* ===================================
   Footer Styles
   =================================== */

/* Main Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-white);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}

/* Footer Main */
.footer-main {
    padding: var(--spacing-4xl) 0 var(--spacing-3xl);
    position: relative;
    z-index: 1;
}

/* Footer Grid */
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-3xl);
}

/* Footer Brand */
.footer-brand {
    max-width: 350px;
}

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

.footer-logo-icon {
    width: 50px;
    height: 50px;
}

.footer-logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
}

.footer-logo-text span {
    color: var(--primary-blue-light);
}

.footer-description {
    color: var(--text-light);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--spacing-xl);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.footer-social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.1);
    transition: all var(--transition-base);
}

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

.footer-social-icon {
    width: 20px;
    height: 20px;
    fill: var(--text-white);
}

/* Footer Column */
.footer-column {
    position: relative;
}

.footer-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--text-white);
    margin-bottom: var(--spacing-xl);
    position: relative;
    padding-bottom: var(--spacing-md);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--bg-gradient-primary);
    border-radius: var(--radius-full);
}

.footer-links {
    list-style: none;
}

.footer-link {
    display: block;
    color: var(--text-light);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    position: relative;
}

.footer-link::before {
    content: '›';
    position: absolute;
    left: 0;
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-base);
}

.footer-link:hover {
    color: var(--primary-blue-light);
    padding-left: var(--spacing-lg);
}

.footer-link:hover::before {
    opacity: 1;
    transform: translateX(0);
    color: var(--primary-blue-light);
}

/* Footer Contact */
.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.footer-contact-icon {
    width: 24px;
    height: 24px;
    fill: var(--primary-blue-light);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-contact-text {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.footer-contact-text a {
    color: var(--text-light);
    transition: color var(--transition-base);
}

.footer-contact-text a:hover {
    color: var(--primary-blue-light);
}

/* Footer Newsletter */
.footer-newsletter {
    margin-top: var(--spacing-xl);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
}

.newsletter-input {
    flex: 1;
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    color: var(--text-white);
    font-size: var(--font-size-sm);
}

.newsletter-input::placeholder {
    color: var(--text-light);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--primary-blue);
    background: rgba(255, 255, 255, 0.15);
}

.newsletter-btn {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

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

/* Footer Bottom */
.footer-bottom {
    padding: var(--spacing-xl) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
    z-index: 1;
}

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

.footer-copyright {
    color: var(--text-light);
    font-size: var(--font-size-sm);
}

.footer-copyright a {
    color: var(--primary-blue-light);
    transition: color var(--transition-base);
}

.footer-copyright a:hover {
    color: var(--text-white);
}

/* Footer Links */
.footer-bottom-links {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-bottom-link {
    color: var(--text-light);
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

.footer-bottom-link:hover {
    color: var(--primary-blue-light);
}

/* Footer Legal */
.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.legal-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-light);
    font-size: var(--font-size-sm);
    transition: color var(--transition-base);
}

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

.legal-icon {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

/* Footer Badges */
.footer-badges {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.footer-badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-light);
    font-size: var(--font-size-xs);
    transition: all var(--transition-base);
}

.footer-badge:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-badge-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Footer Apps */
.footer-apps {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.app-store-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.app-store-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(4px);
}

.app-store-icon {
    width: 30px;
    height: 30px;
    fill: var(--text-white);
}

.app-store-text {
    text-align: left;
}

.app-store-label {
    font-size: var(--font-size-xs);
    color: var(--text-light);
}

.app-store-name {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--text-white);
}

/* Footer Wave */
.footer-wave {
    position: relative;
    line-height: 0;
}

.footer-wave svg {
    display: block;
    width: 100%;
    height: auto;
}

/* Footer Animation */
.footer-pattern {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    opacity: 0.05;
    pointer-events: none;
}

/* Responsive Footer */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-brand {
        grid-column: span 2;
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .footer-bottom-grid {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-bottom-links {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .footer-legal {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .newsletter-form {
        flex-direction: column;
    }
    
    .footer-badges {
        flex-wrap: wrap;
        justify-content: center;
    }
}

/* Footer Decorative Elements */
.footer-decor {
    position: absolute;
    border-radius: 50%;
    background: var(--primary-blue);
    opacity: 0.1;
    filter: blur(100px);
}

.footer-decor-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
}

.footer-decor-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
}

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-gradient-primary);
    color: var(--text-white);
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: var(--z-index-sticky);
    box-shadow: var(--shadow-lg);
}

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

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-primary);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
    fill: currentColor;
}