/* ============================================
   PROFESSIONAL FOOTER - Redesigned 2025
   Modern, Clean, Professional Design
   ============================================ */

.footer-professional {
    background: linear-gradient(180deg, #1a202c 0%, #2d3748 50%, #1a202c 100%);
    color: #e2e8f0;
    position: relative;
    overflow: hidden;
}

.footer-professional::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #4facfe 75%, #00f2fe 100%);
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Footer Main Section */
.footer-main {
    padding: 2.5rem 0 1.5rem;
    position: relative;
}

.footer-main::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 5%;
    right: 5%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.1) 20%, rgba(255,255,255,0.1) 80%, transparent 100%);
}

/* Footer Widget */
.footer-widget {
    margin-bottom: 1rem;
}

/* About Section */
.footer-about {
    padding-right: 1.5rem;
}

.footer-logo-section {
    margin-bottom: 1rem;
}

.footer-logo {
    max-height: 40px;
    width: auto;
    filter: brightness(0) invert(1);
    transition: transform 0.3s ease;
}

.footer-logo:hover {
    transform: scale(1.05);
}

.footer-logo-text {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 1px;
}

.footer-description {
    color: #cbd5e0;
    font-size: 0.8125rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
}

/* Contact Info */
.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.contact-item-wrapper {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.375rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.contact-item-wrapper:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateX(5px);
}

.contact-icon-box {
    width: 28px;
    height: 28px;
    min-width: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 5px;
    color: #fff;
    font-size: 0.75rem;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.contact-content {
    flex: 1;
    display: flex;
    align-items: center;
}

.contact-label {
    font-size: 0.6875rem;
    color: #a0aec0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

.contact-value {
    font-size: 0.8125rem;
    color: #fff;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-value:hover {
    color: #667eea;
}

/* Social Media Section */
.footer-social-section {
    margin-top: 1.25rem;
}

.social-title {
    font-size: 0.75rem;
    color: #cbd5e0;
    margin-bottom: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.social-links-wrapper {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.social-link {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #cbd5e0;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.social-link:hover::before {
    width: 300px;
    height: 300px;
}

.social-link:hover {
    transform: translateY(-3px);
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.social-link i {
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.social-link:hover i {
    transform: scale(1.2);
}

.social-link.facebook:hover {
    background: linear-gradient(135deg, #1877f2 0%, #0d5fbf 100%);
    color: #fff;
}

.social-link.zalo:hover {
    background: linear-gradient(135deg, #0180c7 0%, #0165a0 100%);
    color: #fff;
}

.social-link.telegram:hover {
    background: linear-gradient(135deg, #0088cc 0%, #006699 100%);
    color: #fff;
}

.social-link.youtube:hover {
    background: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
    color: #fff;
}

.social-link.tiktok:hover {
    background: linear-gradient(135deg, #000000 0%, #333333 100%);
    color: #fff;
}

/* Widget Title */
.widget-title {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    padding-bottom: 0.75rem;
}

.widget-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 2px;
}

.widget-title i {
    color: #667eea;
    font-size: 0.875rem;
}

/* Footer Links List */
.footer-links-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links-list li {
    margin-bottom: 0.25rem;
}

.footer-links-list a {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    color: #cbd5e0;
    text-decoration: none;
    font-size: 0.8125rem;
    padding: 0.25rem 0.5rem;
    border-radius: 6px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.footer-links-list a::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: linear-gradient(90deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    transition: width 0.3s ease;
}

.footer-links-list a:hover::before {
    width: 100%;
}

.footer-links-list a i {
    font-size: 0.625rem;
    color: #667eea;
    transition: all 0.3s ease;
    position: relative;
    z-index: 1;
}

.footer-links-list a span {
    position: relative;
    z-index: 1;
    transition: color 0.3s ease;
}

.footer-links-list a:hover {
    color: #fff;
    padding-left: 1rem;
}

.footer-links-list a:hover i {
    transform: translateX(3px);
    color: #764ba2;
}

/* Footer Bottom Bar */
.footer-bottom-bar {
    background: rgba(0, 0, 0, 0.3);
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.9375rem 0;
}

.footer-bottom-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright-section {
    flex: 1;
}

.copyright-text {
    margin: 0;
    font-size: 0.8125rem;
    color: #a0aec0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copyright-text i {
    font-size: 0.75rem;
}

.copyright-text strong {
    color: #fff;
    font-weight: 700;
}

.payment-badges {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.badge-label {
    font-size: 0.8125rem;
    color: #a0aec0;
    font-weight: 500;
}

.payment-icons {
    display: flex;
    gap: 0.75rem;
}

.payment-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 6px;
    color: #cbd5e0;
    font-size: 0.875rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.payment-icon:hover {
    background: rgba(102, 126, 234, 0.2);
    border-color: #667eea;
    color: #fff;
    transform: translateY(-2px);
}

/* Responsive Design */

/* Tablet */
@media (max-width: 991px) {
    .footer-main {
        padding: 2rem 0 1.25rem;
    }
    
    .footer-about {
        padding-right: 0;
        margin-bottom: 1.5rem;
    }
    
    .footer-contact-info {
        gap: 0.4375rem;
        margin-bottom: 1rem;
    }
    
    .contact-item-wrapper {
        padding: 0.375rem;
        gap: 0.5rem;
    }
    
    .contact-icon-box {
        width: 26px;
        height: 26px;
        min-width: 26px;
        font-size: 0.75rem;
        border-radius: 4px;
    }
    
    .contact-label {
        font-size: 0.625rem;
    }
    
    .contact-value {
        font-size: 0.8125rem;
    }
    
    .social-title {
        font-size: 0.6875rem;
        margin-bottom: 0.5rem;
    }
    
    .social-links-wrapper {
        gap: 0.4375rem;
    }
    
    .social-link {
        width: 28px;
        height: 28px;
        font-size: 0.8125rem;
        border-radius: 4px;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
    
    .payment-badges {
        flex-direction: column;
        gap: 0.75rem;
    }
}

/* Mobile */
@media (max-width: 767px) {
    .footer-main {
        padding: 2rem 0 1.25rem;
    }
    
    .footer-widget {
        margin-bottom: 1.5rem;
    }
    
    .widget-title {
        font-size: 0.9375rem;
        margin-bottom: 0.875rem;
    }
    
    .footer-logo {
        max-height: 35px;
    }
    
    .footer-logo-text {
        font-size: 1.125rem;
    }
    
    .footer-description {
        font-size: 0.8125rem;
        margin-bottom: 1rem;
    }
    
    .contact-item-wrapper {
        padding: 0.375rem;
    }
    
    .contact-icon-box {
        width: 26px;
        height: 26px;
        min-width: 26px;
        font-size: 0.75rem;
        border-radius: 4px;
    }
    
    .contact-value {
        font-size: 0.8125rem;
    }
    
    .contact-label {
        font-size: 0.625rem;
    }
    
    .social-links-wrapper {
        gap: 0.4375rem;
    }
    
    .social-link {
        width: 28px;
        height: 28px;
        font-size: 0.8125rem;
        border-radius: 4px;
    }
    
    .footer-links-list a {
        font-size: 0.75rem;
        padding: 0.25rem 0.5rem;
    }
    
    .footer-links-list li {
        margin-bottom: 0.25rem;
    }
    
    .footer-bottom-bar {
        padding: 0.875rem 0;
    }
    
    .copyright-text {
        font-size: 0.75rem;
        text-align: center;
    }
    
    .badge-label {
        font-size: 0.6875rem;
    }
    
    .payment-icon {
        width: 28px;
        height: 28px;
        font-size: 0.8125rem;
        border-radius: 5px;
    }
}

/* Small Mobile */
@media (max-width: 575px) {
    .footer-main {
        padding: 1.5rem 0 1rem;
    }
    
    .widget-title {
        font-size: 0.875rem;
    }
    
    .footer-description {
        font-size: 0.75rem;
    }
    
    .footer-contact-info {
        gap: 0.375rem;
    }
    
    .contact-item-wrapper {
        padding: 0.3125rem;
        gap: 0.4375rem;
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    
    .contact-icon-box {
        width: 24px;
        height: 24px;
        min-width: 24px;
        font-size: 0.6875rem;
        border-radius: 4px;
    }
    
    .contact-label {
        font-size: 0.625rem;
    }
    
    .contact-value {
        font-size: 0.75rem;
    }
    
    .contact-content {
        align-items: center;
        text-align: center;
    }
    
    .social-title {
        font-size: 0.625rem;
        margin-bottom: 0.4375rem;
    }
    
    .social-links-wrapper {
        gap: 0.375rem;
        justify-content: center;
    }
    
    .social-link {
        width: 26px;
        height: 26px;
        font-size: 0.75rem;
        border-radius: 4px;
    }
    
    .footer-links-list a {
        font-size: 0.6875rem;
        padding: 0.1875rem 0.4375rem;
    }
    
    .footer-links-list li {
        margin-bottom: 0.1875rem;
    }
    
    .copyright-text {
        flex-direction: column;
        gap: 0.25rem;
    }
}