/* ==========================================
   ABOUT PAGE - Styles
   ========================================== */

/* ========== PAGE HERO ========== */
.page-hero {
    position: relative;
    padding: 180px 0 100px;
    background:
        url('https://images.unsplash.com/photo-1448375240586-882707db888b?w=1600&h=600&fit=crop')
        center/cover no-repeat;
    text-align: center;
    overflow: hidden;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.28) 0%,
        rgba(0, 0, 0, 0.16) 50%,
        rgba(0, 0, 0, 0.36) 100%
    );
    transition: background 0.3s ease, opacity 0.3s ease;
}

.page-hero-content {
    position: relative;
    z-index: 2;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 24px;
    font-size: 14px;
}
.breadcrumb a {
    color: var(--green-300);
    display: flex;
    align-items: center;
    gap: 6px;
}
.breadcrumb a:hover { color: var(--white); }
.breadcrumb-sep { color: var(--green-400); font-size: 10px; }
.breadcrumb-current { color: var(--white); font-weight: 500; }

.page-hero-title {
    font-family: 'Playfair Display', serif;
    font-size: 56px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-shadow: 0 4px 30px rgba(0,0,0,0.2);
}

.page-hero-subtitle {
    font-size: 18px;
    color: var(--green-200);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* ========== SECTION BADGE ========== */
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--green-50);
    color: var(--green-700);
    padding: 8px 20px;
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 16px;
    border: 1px solid var(--green-100);
}
.section-badge i { font-size: 14px; }

/* ========== ABOUT INTRO BLOCK ========== */
.about-intro-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin: 50px 0 70px;
}

.about-intro-img {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}
.about-intro-img img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}
.about-intro-badge {
    position: absolute;
    bottom: 20px;
    right: 20px;
    background: var(--green-600);
    color: var(--white);
    padding: 14px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.badge-year {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    font-weight: 700;
    line-height: 1;
}
.badge-text {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-top: 4px;
    opacity: 0.85;
}

.subsection-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--green-800);
    margin-bottom: 20px;
}
.subsection-title i {
    color: var(--green-500);
    font-size: 20px;
}

.about-intro-content p {
    font-size: 16px;
    color: var(--gray-600);
    line-height: 1.8;
}

/* ========== TIMELINE ========== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto 70px;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: linear-gradient(to bottom, var(--green-200), var(--green-500), var(--green-200));
    transform: translateX(-50%);
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    display: flex;
    margin-bottom: 40px;
}
.timeline-item:last-child { margin-bottom: 0; }

.timeline-item.left {
    justify-content: flex-start;
    padding-right: calc(50% + 40px);
}
.timeline-item.right {
    justify-content: flex-end;
    padding-left: calc(50% + 40px);
}

.timeline-dot {
    position: absolute;
    left: 50%;
    top: 24px;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    background: var(--green-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 16px;
    z-index: 2;
    box-shadow: 0 0 0 6px var(--green-100), var(--shadow-md);
}

.timeline-card {
    background: var(--white);
    padding: 28px 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}
.timeline-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.timeline-card::after {
    content: '';
    position: absolute;
    top: 28px;
    width: 16px;
    height: 16px;
    background: var(--white);
    border: 1px solid var(--gray-100);
    transform: rotate(45deg);
}
.timeline-item.left .timeline-card::after {
    right: -8px;
    border-left: none;
    border-bottom: none;
}
.timeline-item.right .timeline-card::after {
    left: -8px;
    border-right: none;
    border-top: none;
}

.timeline-year {
    display: inline-block;
    background: var(--green-600);
    color: var(--white);
    padding: 4px 16px;
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 12px;
}

.timeline-card h4 {
    font-size: 18px;
    color: var(--green-900);
    margin-bottom: 8px;
}

.timeline-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========== KEY STATS ========== */
.about-key-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-bottom: 60px;
}

.key-stat {
    text-align: center;
    padding: 36px 20px;
    background: linear-gradient(135deg, var(--green-50), var(--white));
    border-radius: var(--radius-md);
    border: 1px solid var(--green-100);
    transition: var(--transition);
}
.key-stat:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-300);
}

.key-stat-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 16px;
    background: var(--green-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--white);
}

.key-stat-number {
    font-family: 'Playfair Display', serif;
    font-size: 40px;
    font-weight: 700;
    color: var(--green-700);
    line-height: 1;
}

.key-stat-unit {
    font-size: 14px;
    color: var(--green-600);
    font-weight: 600;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.key-stat-label {
    font-size: 13px;
    color: var(--gray-500);
    margin-top: 8px;
}

/* ========== DETAIL GRID ========== */
.about-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    margin-bottom: 60px;
}

.about-detail-card {
    background: var(--white);
    padding: 36px;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
}

.detail-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--green-100);
}
.detail-card-header i {
    font-size: 24px;
    color: var(--green-600);
}
.detail-card-header h4 {
    font-size: 20px;
    color: var(--green-900);
}

.about-detail-card > p {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.7;
}

.detail-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 16px 0;
}
.detail-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.detail-list-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--green-50);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
}
.detail-list-icon i {
    font-size: 12px;
    color: var(--green-600);
}
.detail-list li strong {
    display: block;
    color: var(--green-800);
    font-size: 15px;
}
.detail-capacity {
    display: inline-block;
    background: var(--green-50);
    color: var(--green-700);
    padding: 3px 12px;
    border-radius: var(--radius-xl);
    font-size: 13px;
    font-weight: 600;
    margin-top: 4px;
}

.detail-list.advantages li {
    color: var(--gray-600);
    font-size: 14px;
    line-height: 1.6;
}
.detail-list.advantages .detail-list-icon {
    background: var(--green-600);
}
.detail-list.advantages .detail-list-icon i {
    color: var(--white);
}

.detail-note {
    font-size: 13px !important;
    color: var(--gray-500) !important;
    font-style: italic;
    padding: 12px 16px;
    background: var(--green-50);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--green-400);
}

/* ========== VISION BLOCK ========== */
.about-vision-block {
    position: relative;
    background:
        url('https://images.unsplash.com/photo-1511497584788-876760111969?w=1200&h=400&fit=crop')
        center/cover no-repeat;
    border-radius: var(--radius-lg);
    overflow: hidden;
    padding: 60px;
}

.vision-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 59, 30, 0.9), rgba(20, 90, 46, 0.85));
}

.vision-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.vision-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    background: rgba(255,255,255,0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: var(--green-300);
    border: 2px solid rgba(255,255,255,0.15);
}

.vision-content h3 {
    font-family: 'Playfair Display', serif;
    font-size: 28px;
    color: var(--white);
    margin-bottom: 16px;
}

.vision-content p {
    font-size: 16px;
    color: var(--green-200);
    line-height: 1.8;
}

/* ========== SECTION DIVIDER ========== */
.section-divider {
    padding: 10px 0;
}
.section-divider .container {
    display: flex;
    align-items: center;
    gap: 20px;
}
.divider-line {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--green-200), transparent);
}
.divider-icon {
    color: var(--green-400);
    font-size: 20px;
}

/* ========== ORG STRUCTURE ========== */
.org-structure { background: var(--green-50); }

.subsection-title-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 24px;
    font-weight: 700;
    color: var(--green-800);
    margin-bottom: 12px;
    text-align: center;
}
.subsection-title-center i { color: var(--green-500); }

.subsection-desc {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 40px;
    font-size: 15px;
    color: var(--gray-500);
    line-height: 1.7;
}

/* ========== ORG CHART ========== */
.org-chart {
    max-width: 800px;
    margin: 0 auto 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-level {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    width: 100%;
}

.org-connector-v {
    width: 3px;
    height: 40px;
    background: var(--green-300);
    position: relative;
}
.org-connector-v::before,
.org-connector-v::after {
    content: '';
    position: absolute;
    bottom: 0;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--green-400);
    left: 50%;
    transform: translateX(-50%);
}
.org-connector-v::before { bottom: auto; top: 0; }

.org-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px 32px;
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
    position: relative;
}
.org-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.org-card-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--green-600);
    color: var(--white);
    padding: 4px 18px;
    border-radius: var(--radius-xl);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    white-space: nowrap;
}

.org-card-primary { min-width: 280px; padding-top: 36px; }
.org-card-primary .org-card-badge { background: var(--green-800); }

.org-card-avatar {
    width: 64px;
    height: 64px;
    margin: 0 auto 14px;
    background: linear-gradient(135deg, var(--green-500), var(--green-700));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--white);
}

.org-card h4 {
    font-size: 16px;
    color: var(--green-900);
    margin-bottom: 4px;
}
.org-card p {
    font-size: 13px;
    color: var(--gray-500);
}

.org-card-secondary { min-width: 240px; }
.org-card-secondary .org-card-avatar {
    width: 52px;
    height: 52px;
    font-size: 22px;
}

.org-card-highlight {
    min-width: 380px;
    padding-top: 36px;
    text-align: left;
}

.org-card-members {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.org-member {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 12px 16px;
    background: var(--green-50);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--green-500);
}

.org-member-avatar {
    width: 40px;
    height: 40px;
    background: var(--green-600);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 16px;
    flex-shrink: 0;
}

.org-member strong {
    display: block;
    font-size: 14px;
    color: var(--green-900);
}
.org-member span {
    font-size: 12px;
    color: var(--gray-500);
}

.org-card-side {
    min-width: 260px;
    padding-top: 36px;
    text-align: left;
}
.org-card-side .org-card-badge { background: var(--gray-600); }
.org-card-side ul { display: flex; flex-direction: column; gap: 10px; }
.org-card-side li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-600);
}
.org-card-side li i { color: var(--green-500); font-size: 14px; }

/* ========== DEPARTMENTS ========== */
.departments-section { margin-bottom: 70px; }

.dept-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.dept-card {
    background: var(--white);
    padding: 32px 24px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.dept-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--green-200);
}

.dept-number {
    position: absolute;
    top: -8px;
    right: -8px;
    font-family: 'Playfair Display', serif;
    font-size: 64px;
    font-weight: 700;
    color: var(--green-50);
    line-height: 1;
    pointer-events: none;
    z-index: 0;
}

.dept-icon {
    position: relative;
    z-index: 1;
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    background: var(--green-50);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--green-600);
    transition: var(--transition);
}
.dept-card:hover .dept-icon {
    background: var(--green-600);
    color: var(--white);
    border-radius: 50%;
}

.dept-card h4 {
    position: relative;
    z-index: 1;
    font-size: 15px;
    color: var(--green-900);
    margin-bottom: 8px;
    line-height: 1.4;
}
.dept-card p {
    position: relative;
    z-index: 1;
    font-size: 13px;
    color: var(--gray-500);
}

/* ========== PRODUCTION UNITS ========== */
.units-section { margin-bottom: 70px; }

.units-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.unit-card {
    background: var(--white);
    padding: 28px 20px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
    position: relative;
}
.unit-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.unit-card-icon {
    width: 52px;
    height: 52px;
    margin: 0 auto 14px;
    background: var(--green-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: var(--green-600);
    transition: var(--transition);
}
.unit-card:hover .unit-card-icon {
    background: var(--green-600);
    color: var(--white);
}

.unit-card h4 {
    font-size: 14px;
    color: var(--green-900);
    margin-bottom: 6px;
}
.unit-card p {
    font-size: 12px;
    color: var(--gray-500);
}

.unit-card-factory {
    border-color: var(--green-200);
    background: linear-gradient(135deg, var(--green-50), var(--white));
}

.unit-card-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: var(--green-600);
    color: var(--white);
    padding: 2px 10px;
    border-radius: var(--radius-xl);
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ========== POLITICAL ORGS ========== */
.political-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.political-card {
    background: var(--white);
    padding: 36px 28px;
    border-radius: var(--radius-md);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}
.political-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.political-card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--white);
}
.political-card-icon.dang { background: linear-gradient(135deg, #c0392b, #e74c3c); }
.political-card-icon.congdoan { background: linear-gradient(135deg, #2980b9, #3498db); }
.political-card-icon.doanthanhnien { background: linear-gradient(135deg, #27ae60, #2ecc71); }

.political-card h4 {
    font-size: 18px;
    color: var(--green-900);
    margin-bottom: 12px;
}
.political-card p {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* ========== CTA ========== */
.about-cta {
    position: relative;
    padding: 80px 0;
    background:
        url('https://images.unsplash.com/photo-1558618666-fcd25c85f82e?w=1600&h=500&fit=crop')
        center/cover no-repeat;
}

.about-cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(13, 59, 30, 0.92), rgba(20, 90, 46, 0.88));
}

.about-cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.about-cta-content h2 {
    font-family: 'Playfair Display', serif;
    font-size: 36px;
    color: var(--white);
    margin-bottom: 12px;
}
.about-cta-content > p {
    font-size: 17px;
    color: var(--green-200);
    margin-bottom: 32px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.about-cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
    .about-intro-block { grid-template-columns: 1fr; gap: 30px; }
    .about-key-stats { grid-template-columns: repeat(2, 1fr); }
    .about-details-grid { grid-template-columns: 1fr; }
    .dept-grid { grid-template-columns: repeat(2, 1fr); }
    .units-grid { grid-template-columns: repeat(3, 1fr); }

    .timeline-item.left,
    .timeline-item.right {
        padding-left: 60px;
        padding-right: 0;
        justify-content: flex-start;
    }
    .timeline-line { left: 20px; }
    .timeline-dot { left: 20px; }
    .timeline-card::after { display: none; }

    .org-level-3 { flex-direction: column; align-items: center; }
    .org-card-highlight { min-width: auto; width: 100%; max-width: 450px; }
    .org-card-side { min-width: auto; width: 100%; max-width: 450px; }
}

@media (max-width: 768px) {
    .page-hero { padding: 140px 0 60px; }
    .page-hero-title { font-size: 36px; }
    .dept-grid { grid-template-columns: 1fr; }
    .units-grid { grid-template-columns: repeat(2, 1fr); }
    .political-grid { grid-template-columns: 1fr; }
    .about-key-stats { grid-template-columns: 1fr; }
    .key-stat-number { font-size: 32px; }
    .about-vision-block { padding: 40px 24px; }
    .vision-content h3 { font-size: 22px; }
    .org-level { flex-direction: column; align-items: center; }
    .org-card-primary,
    .org-card-secondary { min-width: auto; width: 100%; max-width: 300px; }
}