:root {
    --primary-color: #006B3F;               
    --primary-light: #00824d;
    --secondary-color: #C21A30;             
    --secondary-dark: #a01526;
    --accent-color: #C21A30;                
    --accent-dark: #a01526;
    --bg-light: #FDFBF7;                    
    --bg-cream: #FAF3E0;                    
    --bg-white: #ffffff;
    --text-dark: #1F2937;
    --text-light: #4B5563;
    --border-color: #E5E7EB;
    
    --logo-red: #C21A30;                    
    --logo-green: #064423;                  
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif; 
    
    --container-width: 1200px;
    --border-radius: 8px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

a:hover {
    color: var(--secondary-color);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-white);
}

.btn-primary:hover {
    background-color: var(--primary-light);
    color: var(--bg-white);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    border: 1px solid var(--secondary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-dark);
    color: var(--bg-white);
    border-color: var(--secondary-dark);
    transform: translateY(-2px);
}

.btn-accent {
    background-color: var(--accent-color);
    color: var(--bg-white);
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover {
    background-color: var(--accent-dark);
    color: var(--bg-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    border-radius: 50%;
    flex-shrink: 0;
}

.logo-text-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex-shrink: 0;
}

.heart-icon {
    font-size: 14px;
    color: #ffffff !important;
}

.topbar-right a:hover {
    color: #E4A951;
}

.visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

.section-padding {
    padding: 80px 0;
    border-top: 1px solid #ebebeb; 
}

.bg-cream-section {
    background-color: #FDFBF7;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
}

.section-header h2 {
    font-size: 32px;
    position: relative;
    display: inline-block;
    padding-bottom: 15px;
    margin-bottom: 15px;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--secondary-color);
}

.section-header p {
    color: var(--text-light);
    font-size: 16px;
}

.tab-num {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 700;
    color: var(--secondary-color);
    letter-spacing: 0.5px;
    transition: color 0.25s;
}

.tab-text {
    font-size: 13px;
    font-weight: inherit;
}

.about-content-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr; 
    gap: 40px;
    align-items: stretch;
}

.about-image-column {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.about-image-column img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.about-image-column:hover img {
    transform: scale(1.05);
}

.panel-title {
    font-family: var(--font-serif);
    font-size: 24px;
    color: var(--primary-color);
    margin-bottom: 25px;
    font-weight: 700;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--secondary-color);
}

.panel-content p {
    margin-bottom: 18px;
    line-height: 1.8;
    color: var(--text-light);
    font-size: 15px;
}

.quote-box p {
    font-style: italic;
    color: var(--text-dark);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 10px;
}

.sub-section-card {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 25px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.icon-indicator {
    width: 8px;
    height: 8px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    display: inline-block;
}

.bullet-list {
    list-style: none;
    padding-left: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.bullet-list li {
    position: relative;
    padding-left: 18px;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-light);
}

.bullet-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--secondary-color);
    font-weight: 900;
}

.scroll-list {
    max-height: 320px;
    overflow-y: auto;
    padding-right: 10px;
}

.scroll-list::-webkit-scrollbar {
    width: 6px;
}

.scroll-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}

.badge-list {
    list-style: none;
    padding: 0;
    display: grid;
    gap: 12px;
}

.badge-list li {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 18px;
    font-size: 14.5px;
    color: var(--text-dark);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    line-height: 1.5;
}

.badge-icon {
    color: var(--primary-color);
    font-weight: 900;
    font-size: 16px;
    flex-shrink: 0;
}

.leadership-card {
    display: flex;
    gap: 25px;
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 30px;
    align-items: center;
    margin-bottom: 30px;
}

.leadership-avatar {
    width: 80px;
    height: 80px;
    background-color: var(--primary-color);
    color: var(--bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-family: var(--font-serif);
    font-size: 24px;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 4px 10px rgba(6, 68, 35, 0.15);
}

.leadership-info {
    flex: 1;
}

.leadership-role {
    font-size: 11px;
    font-weight: 700;
    color: var(--secondary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 6px;
}

.leadership-info h4 {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--primary-color);
    font-weight: 700;
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.leadership-info p {
    font-size: 13.5px;
    color: var(--text-light);
    margin: 0;
    line-height: 1.6;
}

.board-members-box {
    background-color: var(--bg-light);
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 25px;
}

.board-members-box h4 {
    font-family: var(--font-serif);
    font-size: 16px;
    color: var(--primary-color);
    margin-bottom: 12px;
    font-weight: 700;
}

.board-desc {
    font-size: 13.5px;
    color: var(--text-light);
    margin-bottom: 20px;
    line-height: 1.6;
}

.member-tag {
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 30px;
    padding: 8px 18px;
    font-size: 13px;
    color: var(--text-dark);
    font-weight: 500;
}

.org-node-department {
    border-left: 4px solid var(--primary-color);
}

.node-name {
    font-family: var(--font-serif);
    font-size: 14.5px;
    font-weight: 700;
    color: var(--primary-color);
}

.node-staff {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12.5px;
    color: var(--text-dark);
    text-align: left;
    margin-top: 5px;
    border-top: 1px dashed var(--border-color);
    padding-top: 8px;
}

.contact-card-panel {
    background-color: var(--bg-light);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 35px;
}

.contact-details-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 25px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    font-size: 22px;
    width: 44px;
    height: 44px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-text {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.6;
}

.contact-text strong {
    font-size: 15px;
    color: var(--text-dark);
}

.contact-text a {
    color: var(--primary-color);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.contact-text a:hover {
    color: var(--secondary-color);
}

.panel-address-list {
    list-style: none;
    padding-left: 0;
    margin-top: 5px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.panel-address-list li {
    font-size: 13.5px;
    color: var(--text-light);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--bg-white);
    padding: 40px 30px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--primary-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-top-color: var(--secondary-color);
}

.feature-icon {
    font-size: 36px;
    color: var(--secondary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--text-light);
    font-size: 15px;
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.post-meta {
    font-size: 13px;
    color: var(--text-light);
    margin-bottom: 10px;
    display: flex;
    gap: 15px;
}

.post-excerpt {
    color: var(--text-light);
    font-size: 14px;
    margin-bottom: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.cta-section {
    background-color: #fbdf96;
    color: var(--text-dark);
    text-align: center;
    padding: 80px 0;
}

.cta-content h2 {
    color: var(--primary-color);
    font-size: 36px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto 35px;
    color: var(--text-dark);
}

.main-content-area {
    padding: 60px 0;
}

.widget ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.widget ul li {
    border-bottom: 1px dashed var(--border-color);
    padding-bottom: 8px;
}

.widget ul li:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.footer-address-list {
    list-style: none;
    padding-left: 0;
    margin-top: 5px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-address-list li {
    display: block;
    font-size: 13.5px;
    line-height: 1.6;
    color: #E8F5E9;
}

.footer-links .highlight-link {
    font-weight: 700;
    color: #F7ECC8 !important;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: #E8F5E9;
}

.footer-links a:hover {
    color: var(--bg-white);
    padding-left: 5px;
}

.copyright {
    color: hsl(216, 20%, 65%);
}

.vertical-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.vertical-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 30px rgba(0, 0, 0, 0.12);
    border-color: rgba(138, 30, 37, 0.2);
}

.quick-view-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(11, 90, 48, 0.15); 
    display: flex;
    align-items: flex-end;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
    z-index: 3;
}

.vertical-card:hover .quick-view-overlay {
    opacity: 1;
    pointer-events: auto;
}

@keyframes modalFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@media (max-width: 768px) {
    .modal-container-grid {
        grid-template-columns: 1fr;
        min-height: auto;
    }
    
    .modal-image-col {
        height: 220px;
    }
    
    .modal-image-col img {
        aspect-ratio: 16/9;
    }
    
    .modal-content-col {
        padding: 30px 24px;
        max-height: 50vh;
    }
    
    .modal-title-text {
        font-size: 20px;
    }
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.post-date {
    font-size: 11.5px;
    color: #aaa;
    font-weight: 500;
}

.post-category {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--primary-color);
}

.post-category a {
    color: inherit;
    text-decoration: none;
}

.post-excerpt {
    font-size: 13px;
    color: #666;
    line-height: 1.6;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex-grow: 1;
}

.nhan-tai-card {
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #fff;
    border-radius: 10px;
    border: 1px solid #e8e8e8;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
}

.nhan-tai-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.13);
    border-color: rgba(138, 30, 37, 0.2);
}

.nhan-tai-card .nt-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 3/4;
    width: 100%;
    flex-shrink: 0;
}

.nhan-tai-card .nt-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
}

.nhan-tai-card:hover .nt-card-image img {
    transform: scale(1.06);
}

.nhan-tai-card .nt-quick-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.55));
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 18px;
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.nhan-tai-card:hover .nt-quick-overlay {
    opacity: 1;
    pointer-events: auto;
}

.nhan-tai-card .nt-quick-btn {
    background: #fff;
    color: var(--accent-color, #8a1e25);
    border: none;
    border-radius: 20px;
    padding: 7px 22px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    cursor: pointer;
    transform: translateY(8px);
    transition: transform 0.3s ease, background 0.2s;
}

.nhan-tai-card:hover .nt-quick-btn {
    transform: translateY(0);
}

.nhan-tai-card .nt-quick-btn:hover {
    background: var(--accent-color, #8a1e25);
    color: #fff;
}

.nhan-tai-card .nt-card-body {
    padding: 16px 18px 18px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.nhan-tai-card .nt-card-category {
    font-size: 10.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: #999;
    margin: 0;
}

.nhan-tai-card .nt-card-title {
    font-size: 14.5px;
    font-weight: 700;
    color: #1a1a1a;
    margin: 0;
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.nhan-tai-card .nt-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.nhan-tai-card .nt-card-title a:hover {
    color: var(--accent-color, #8a1e25);
}

.nhan-tai-card .nt-card-meta {
    font-size: 12px;
    color: #bbb;
    margin: 0;
}

.tai-tro-card {

    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: #fff;
    border-radius: 10px;
    border: 1px solid #ebebeb;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
}

.tai-tro-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 35px rgba(0, 0, 0, 0.11);
    border-color: rgba(138, 30, 37, 0.15);
}

.tai-tro-card .tt-card-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 1/1;
    width: 100%;
    background-color: #f5f5f5;
    flex-shrink: 0;
}

.tai-tro-card .tt-card-image::before {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1.5px solid rgba(200, 200, 200, 0.6);
    z-index: 1;
    pointer-events: none;
    border-radius: 4px;
    transition: border-color 0.3s;
}

.tai-tro-card:hover .tt-card-image::before {
    border-color: rgba(138, 30, 37, 0.25);
}

.tai-tro-card .tt-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    display: block;
}

.tai-tro-card:hover .tt-card-image img {
    transform: scale(1.05);
}

.tai-tro-card .tt-quick-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(transparent, rgba(6, 68, 35, 0.35)); 
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding-bottom: 22px;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 2;
}

.tai-tro-card:hover .tt-quick-overlay {
    opacity: 1;
    pointer-events: auto;
}

.tai-tro-card .tt-quick-btn {
    background: var(--secondary-color, #C21A30); 
    color: #fff;
    border: none;
    border-radius: 30px;
    padding: 7px 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    cursor: pointer;
    transform: translateY(12px);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 10px rgba(194, 26, 48, 0.25);
}

.tai-tro-card:hover .tt-quick-btn {
    transform: translateY(0);
}

.tai-tro-card .tt-quick-btn:hover {
    background: var(--primary-color, #064423); 
    box-shadow: 0 4px 10px rgba(6, 68, 35, 0.25);
}

.tai-tro-card .tt-card-body {
    padding: 18px 16px 20px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tai-tro-card .tt-card-category {
    font-size: 11px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: #333;
    margin: 0;
}

.tai-tro-card .tt-card-title {
    font-size: 13.5px;
    font-weight: 500;
    color: #555;
    margin: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.tai-tro-card .tt-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
}

.tai-tro-card .tt-card-title a:hover {
    color: var(--accent-color, #8a1e25);
}

.tai-tro-card .tt-card-date {
    font-size: 11.5px;
    color: #bbb;
    margin: 0;
}

.article-detail-title {
    font-family: var(--font-serif);
    font-size: clamp(22px, 3vw, 32px);
    color: var(--text-dark);
    font-weight: 700;
    line-height: 1.35;
    margin-bottom: 16px;
}

.article-detail-meta {
    display: flex;
    align-items: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 24px;
}

.article-detail-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13.5px;
    color: var(--text-light);
    font-weight: 500;
    background-color: #f7f7f7;
    padding: 6px 14px;
    border-radius: 20px;
    transition: all 0.25s ease;
}

.article-detail-meta .meta-item:hover {
    background-color: rgba(194, 26, 48, 0.05); 
}

.article-detail-meta .meta-item svg {
    color: var(--secondary-color); 
    flex-shrink: 0;
}

.article-detail-meta .meta-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.2s ease;
}

.article-detail-meta .meta-item a:hover {
    color: var(--secondary-color);
}

.article-divider {
    height: 1px;
    background-color: var(--border-color);
    width: 100%;
    margin-bottom: 24px;
}

.activity-gallery-section {
    margin-top: 52px;
    padding-top: 40px;
    border-top: 1px solid var(--border-color);
}

.gallery-section-title {
    display: flex;
    align-items: center;
    gap: 16px;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 28px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.gallery-section-title .title-line {
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

.activity-photo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 10px;
}

.photo-grid-item {
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    cursor: pointer;
    background: var(--border-color);
}

.photo-grid-item.photo-featured {
    grid-column: span 2;
    grid-row: span 2;
}

.photo-grid-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.photo-grid-item:hover img { transform: scale(1.07); }

.photo-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6,68,35,0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.photo-grid-item:hover .photo-overlay {
    background: rgba(6,68,35,0.35);
}

.photo-grid-item:hover .zoom-icon {
    opacity: 1;
    transform: scale(1);
}

.vtaf-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(0,0,0,0.92);
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.vtaf-lightbox.is-open { display: flex; }

.lightbox-inner {
    max-width: 90vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.lightbox-inner img {
    max-width: 90vw;
    max-height: 82vh;
    object-fit: contain;
    border-radius: 4px;
    box-shadow: 0 8px 40px rgba(0,0,0,0.5);
    display: block;
}

.lightbox-counter {
    color: rgba(255,255,255,0.6);
    font-size: 13px;
    margin: 0;
}

.lightbox-close {
    position: fixed;
    top: 20px;
    right: 24px;
    background: none;
    border: none;
    color: #fff;
    font-size: 36px;
    cursor: pointer;
    line-height: 1;
    opacity: 0.75;
    transition: opacity 0.2s;
    z-index: 100000;
}

.lightbox-close:hover { opacity: 1; }

.lightbox-prev,
.lightbox-next {
    position: fixed;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    color: #fff;
    font-size: 40px;
    cursor: pointer;
    padding: 8px 16px;
    border-radius: 4px;
    line-height: 1;
    opacity: 0.7;
    transition: all 0.2s;
    z-index: 100000;
}

.lightbox-prev { left: 16px; }

.lightbox-next { right: 16px; }

.lightbox-prev:hover,
.lightbox-next:hover { opacity: 1; background: rgba(255,255,255,0.2); }

.btn-back-activity {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background-color: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    color: var(--text-dark);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.25s ease;
    box-shadow: var(--shadow-sm);
}

.btn-back-activity:hover {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
    transform: translateX(-3px);
}

@media (max-width: 900px) {
    .related-posts-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
    .related-posts-grid { grid-template-columns: 1fr; gap: 20px; }
    .related-posts-title { font-size: 19px; }
    .related-posts-section { padding: 44px 0 52px; }
}

.seo-h1-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}
