/* Footer Component Styles - Prefix: vsk-ftr- */
/* Tránh xung đột với các trang khác */

/* Component Reset - Chỉ áp dụng cho footer */
#vsk-ftr-main,
#vsk-ftr-main * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Font Import cho Footer Component */
/* Footer Container */
#vsk-ftr-main {
    background-color: #000000 !important;
    color: white !important;
    padding: 40px 0 140px 0 !important;
    margin-top: 0 !important;
    font-family: 'Be Vietnam Pro', sans-serif !important;
}

.vsk-ftr-container {
    max-width: 1400px !important;
    margin: 0 auto !important;
    padding: 0 40px !important;
}

.vsk-ftr-content {
    display: grid !important;
    grid-template-columns: 1.2fr 1.8fr !important;
    gap: 100px !important;
    align-items: center !important;
}

/* Footer Left */
.vsk-ftr-left {
    display: flex;
    flex-direction: column;
    gap: 25px;
    justify-content: center;
    align-items: flex-start;
}

.vsk-ftr-logo {
    display: flex;
    align-items: center;
    margin-bottom: 5px;
}

.vsk-ftr-logo img {
    height: 190px !important;
    width: auto !important;
    filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(93deg) brightness(103%) contrast(103%) !important;
}

.vsk-ftr-description {
    font-size: 18px !important;
    line-height: 1.8 !important;
    color: #cccccc !important;
    margin: 0 !important;
    font-weight: 400 !important;
    max-width: 280px !important;
}

/* Footer Right */
.vsk-ftr-right {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.vsk-ftr-section {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.vsk-ftr-title {
    font-size: 24px !important;
    font-weight: 500 !important;
    color: white !important;
    margin: 0 0 8px 0 !important;
    font-family: 'Be Vietnam Pro', sans-serif !important;
    letter-spacing: 0.5px !important;
}

/* Footer Contact */
.vsk-ftr-contact {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.vsk-ftr-contact p {
    margin: 0 !important;
    font-size: 16px !important;
    color: #cccccc !important;
    line-height: 1.7 !important;
    font-weight: 400 !important;
}

.vsk-ftr-contact p:hover {
    color: #ecf0f1;
    transition: color 0.3s ease;
}

/* Footer Social */
.vsk-ftr-social {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.vsk-ftr-social-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    color: #cccccc !important;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: all 0.3s ease;
    text-decoration: none;
}

.vsk-ftr-social-link:hover {
    background-color: #3498db;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.3);
}

.vsk-ftr-social-link img {
    width: 40px;
    height: 40px;
    filter: brightness(0) saturate(100%) invert(100%) sepia(0%) saturate(0%) hue-rotate(93deg) brightness(103%) contrast(103%);
}

/* Footer Links */
.vsk-ftr-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.vsk-ftr-links li {
    margin: 0;
}

.vsk-ftr-links a {
    color: #cccccc !important;
    text-decoration: none !important;
    font-size: 16px !important;
    line-height: 1.7 !important;
    transition: all 0.3s ease !important;
    position: relative !important;
    font-weight: 400 !important;
}

.vsk-ftr-links a:hover {
    color: #3498db;
    padding-left: 10px;
}

.vsk-ftr-links a::before {
    content: '';
    position: absolute;
    left: -15px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 2px;
    background-color: #3498db;
    transition: width 0.3s ease;
}

.vsk-ftr-links a:hover::before {
    width: 8px;
}

/* Footer Bottom */
.vsk-ftr-bottom {
    margin-top: 40px !important;
    padding-top: 25px !important;
    border-top: 1px solid rgba(255, 255, 255, 0.2) !important;
    text-align: center !important;
}

.vsk-ftr-copyright {
    font-size: 14px !important;
    color: #ffffff !important;
    margin: 0 !important;
    font-weight: 400 !important;
}

/* Responsive Styles */
@media (max-width: 1200px) {
    .vsk-ftr-container {
        padding: 0 30px !important;
        max-width: 1200px !important;
    }
    
    .vsk-ftr-content {
        gap: 80px !important;
        grid-template-columns: 1fr 1.5fr !important;
    }
    
    .vsk-ftr-right {
        gap: 50px;
    }
    
    .vsk-ftr-logo img {
        height: 160px !important;
    }
    
    .vsk-ftr-description {
        font-size: 17px !important;
        max-width: 320px !important;
    }
    
    .vsk-ftr-title {
        font-size: 17px !important;
    }
    
    .vsk-ftr-contact p,
    .vsk-ftr-links a {
        font-size: 15px !important;
    }
}

@media (max-width: 1024px) {
    #vsk-ftr-main {
        padding: 50px 0 35px 0 !important;
    }
    
    .vsk-ftr-container {
        padding: 0 25px !important;
    }
    
    .vsk-ftr-content {
        gap: 60px !important;
        grid-template-columns: 1fr !important;
        text-align: center;
    }
    
    .vsk-ftr-left {
        align-items: center;
        gap: 20px;
    }
    
    .vsk-ftr-logo img {
        height: 140px !important;
    }
    
    .vsk-ftr-description {
        text-align: center;
        max-width: 400px !important;
        font-size: 16px !important;
    }
    
    .vsk-ftr-right {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
        justify-items: center;
    }
    
    .vsk-ftr-section {
        align-items: center;
        text-align: center;
    }
    
    .vsk-ftr-social {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    #vsk-ftr-main {
        padding: 50px 0 30px 0 !important;
    }
    
    .vsk-ftr-container {
        padding: 0 20px !important;
    }
    
    .vsk-ftr-content {
        grid-template-columns: 1fr !important;
        gap: 45px !important;
        text-align: center;
    }
    
    .vsk-ftr-left {
        align-items: center;
        gap: 22px;
    }
    
    .vsk-ftr-logo img {
        height: 120px !important;
    }
    
    .vsk-ftr-description {
        text-align: center;
        max-width: 100% !important;
        font-size: 16px !important;
        line-height: 1.7 !important;
    }
    
    .vsk-ftr-right {
        grid-template-columns: 1fr !important;
        gap: 35px;
    }
    
    .vsk-ftr-logo {
        justify-content: center;
    }
    
    .vsk-ftr-social {
        justify-content: center;
        gap: 18px;
    }
    
    .vsk-ftr-social-link {
        width: 55px;
        height: 55px;
    }
    
    .vsk-ftr-social-link img {
        width: 32px;
        height: 32px;
    }
    
    .vsk-ftr-section {
        align-items: center;
        gap: 20px;
    }
    
    .vsk-ftr-title {
        font-size: 17px !important;
        margin: 0 0 12px 0 !important;
    }
    
    .vsk-ftr-links {
        align-items: center;
        gap: 12px;
    }
    
    .vsk-ftr-contact {
        gap: 10px;
    }
    
    .vsk-ftr-contact p,
    .vsk-ftr-links a {
        font-size: 15px !important;
    }
    
    .vsk-ftr-links a:hover {
        padding-left: 0;
    }
    
    .vsk-ftr-links a::before {
        display: none;
    }
}

@media (max-width: 480px) {
    #vsk-ftr-main {
        padding: 40px 0 25px 0 !important;
    }
    
    .vsk-ftr-container {
        padding: 0 15px !important;
    }
    
    .vsk-ftr-content {
        gap: 35px !important;
    }
    
    .vsk-ftr-left {
        gap: 18px;
    }
    
    .vsk-ftr-logo img {
        height: 100px !important;
    }
    
    .vsk-ftr-title {
        font-size: 16px !important;
        margin: 0 0 10px 0 !important;
    }
    
    .vsk-ftr-description {
        font-size: 14px !important;
        line-height: 1.6 !important;
        padding: 0 10px;
    }
    
    .vsk-ftr-right {
        gap: 30px;
    }
    
    .vsk-ftr-section {
        gap: 15px;
    }
    
    .vsk-ftr-contact {
        gap: 8px;
    }
    
    .vsk-ftr-contact p,
    .vsk-ftr-links a {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
    
    .vsk-ftr-links {
        gap: 10px;
    }
    
    .vsk-ftr-social {
        gap: 15px;
        margin-top: 12px;
    }
    
    .vsk-ftr-social-link {
        width: 48px;
        height: 48px;
    }
    
    .vsk-ftr-social-link img {
        width: 26px;
        height: 26px;
    }
    
    .vsk-ftr-bottom {
        margin-top: 30px !important;
        padding-top: 20px !important;
    }
    
    .vsk-ftr-copyright {
        font-size: 13px !important;
    }
}

/* Extra small screens */
@media (max-width: 360px) {
    #vsk-ftr-main {
        padding: 35px 0 20px 0 !important;
    }
    
    .vsk-ftr-container {
        padding: 0 12px !important;
    }
    
    .vsk-ftr-logo img {
        height: 85px !important;
    }
    
    .vsk-ftr-description {
        font-size: 13px !important;
        padding: 0 5px;
    }
    
    .vsk-ftr-title {
        font-size: 15px !important;
    }
    
    .vsk-ftr-contact p,
    .vsk-ftr-links a {
        font-size: 13px !important;
    }
    
    .vsk-ftr-social-link {
        width: 44px;
        height: 44px;
    }
    
    .vsk-ftr-social-link img {
        width: 24px;
        height: 24px;
    }
}

/* Animation for footer elements */
@keyframes vsk-ftr-fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vsk-ftr-animate {
    animation: vsk-ftr-fadeInUp 0.6s ease-out;
}

.vsk-ftr-animate:nth-child(1) { animation-delay: 0.1s; }
.vsk-ftr-animate:nth-child(2) { animation-delay: 0.2s; }
.vsk-ftr-animate:nth-child(3) { animation-delay: 0.3s; }
.vsk-ftr-animate:nth-child(4) { animation-delay: 0.4s; }

/* Touch-friendly improvements */
@media (hover: none) and (pointer: coarse) {
    .vsk-ftr-social-link:hover {
        transform: none;
        box-shadow: none;
    }
    
    .vsk-ftr-links a:hover {
        padding-left: 0;
    }
    
    /* Larger touch targets for mobile */
    .vsk-ftr-social-link {
        min-width: 44px;
        min-height: 44px;
    }
    
    .vsk-ftr-links a {
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
    
    .vsk-ftr-contact p {
        padding: 8px 0 !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .vsk-ftr-links a {
        border: 1px solid transparent !important;
    }
    
    .vsk-ftr-links a:hover,
    .vsk-ftr-links a:focus {
        border-color: currentColor !important;
    }
    
    .vsk-ftr-social-link {
        border: 1px solid rgba(255, 255, 255, 0.3) !important;
    }
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    .vsk-ftr-social-link,
    .vsk-ftr-links a,
    .vsk-ftr-animate {
        transition: none !important;
        animation: none !important;
    }
}

/* Print styles */
@media print {
    #vsk-ftr-main {
        background: white !important;
        color: black !important;
        box-shadow: none !important;
    }
    
    .vsk-ftr-social,
    .vsk-ftr-animate {
        display: none !important;
    }
    
    .vsk-ftr-logo img {
        filter: none !important;
    }
}