/**
 * Vietnamese Home Page Styles
 * 越南语首页样式
 * 
 * 设计特点：
 * - 明亮活力的色彩（绿色、橙色、红色）
 * - 清晰的视觉层次
 * - 强调信任和专业性
 * - 移动优先的响应式设计
 */

/* ============================================================================
   越南语首页主容器
   ============================================================================ */
.vietnamese-home {
    font-family: 'Roboto', 'Segoe UI', Arial, sans-serif;
}

/* 导航栏下划线 - 绿色主题 */
body.lang-vi .site-header .main-navigation ul li.current-menu-item > a::after,
body.lang-vi .site-header .main-navigation ul li.current_page_item > a::after,
body.lang-vi .site-header .main-navigation ul li a:hover::after {
    background: #008000 !important;
}

body.lang-vi .site-header .main-navigation ul li a::after {
    background: #008000 !important;
}

/* 标题下划线 - 绿色主题 */
body.lang-vi .section-divider {
    background: linear-gradient(to right, #008000, #00a000) !important;
}

body.lang-vi .section-title::after {
    background: linear-gradient(to right, #008000, #00a000) !important;
}

/* 回到顶部按钮 - 绿色主题 */
body.lang-vi #back-to-top,
body.lang-vi .back-to-top,
body.lang-vi .scroll-to-top {
    background: #008000 !important;
    border-color: #008000 !important;
}

body.lang-vi #back-to-top:hover,
body.lang-vi .back-to-top:hover,
body.lang-vi .scroll-to-top:hover {
    background: #006600 !important;
    border-color: #006600 !important;
}

/* 统计数字 - 绿色主题 */
body.lang-vi .stat-number,
body.lang-vi .vietnamese-intro .stat-number {
    color: #008000 !important;
}

/* 业务卡片悬停效果 - 绿色主题 */
body.lang-vi .business-card:hover {
    box-shadow: 0 12px 40px rgba(0, 128, 0, 0.15) !important;
}

body.lang-vi .business-card:hover .business-overlay {
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 128, 0, 0.9) 100%) !important;
}

body.lang-vi .business-link {
    color: #ffffff !important;
    background: rgba(255, 255, 255, 0.2) !important;
    border: 2px solid #ffffff !important;
}

body.lang-vi .business-link:hover {
    background: #ffffff !important;
    color: #008000 !important;
}

/* ============================================================================
   Hero Section - Banner Chính
   ============================================================================ */
.vietnamese-hero {
    position: relative;
    min-height: 700px;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.vietnamese-hero .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 128, 0, 0.85) 0%, rgba(255, 140, 0, 0.75) 100%);
}

.vietnamese-hero .hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #ffffff;
    max-width: 900px;
    margin: 0 auto;
    padding: 60px 20px;
}

.vietnamese-hero .hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 24px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 0.8s ease-out;
}

.vietnamese-hero .hero-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    line-height: 1.6;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.vietnamese-hero .hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.vietnamese-hero .btn-large {
    padding: 18px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.vietnamese-hero .btn-primary {
    background: #008000;
    color: #ffffff;
    border: 2px solid #008000;
}

.vietnamese-hero .btn-primary:hover {
    background: #006600;
    border-color: #006600;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 128, 0, 0.3);
}

.vietnamese-hero .btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.vietnamese-hero .btn-secondary:hover {
    background: #ffffff;
    color: #008000;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
}

/* Trust Badges */
.hero-trust-badges {
    display: flex;
    gap: 30px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 30px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-size: 0.95rem;
    font-weight: 500;
    position: relative;
}

.trust-badge::before {
    content: '✓';
    font-size: 1.2rem;
    color: #90EE90;
    font-weight: 700;
}

/* ============================================================================
   Company Introduction - Giới thiệu công ty
   ============================================================================ */
.vietnamese-intro {
    padding: 100px 0;
    background: linear-gradient(to bottom, #f8f9fa 0%, #ffffff 100%);
}

.vietnamese-intro .section-label {
    display: inline-block;
    padding: 8px 20px;
    background: #e8f5e9;
    color: #2e7d32;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.vietnamese-intro .section-title {
    font-size: 2.8rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 20px;
}

.vietnamese-intro .section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, #008000, #00a000);
    margin: 0 auto 40px;
    border-radius: 2px;
}

.vietnamese-intro .intro-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 60px;
}

.vietnamese-intro .intro-lead {
    font-size: 1.25rem;
    font-weight: 500;
    color: #2c3e50;
    line-height: 1.8;
    margin-bottom: 20px;
}

.vietnamese-intro .intro-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 20px;
}

.intro-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin: 30px 0;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 12px;
    border-left: 4px solid #008000;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 50px;
}

.feature-item::before {
    content: '';
    position: absolute;
    left: 16px;
    width: 24px;
    height: 24px;
    background: linear-gradient(135deg, #008000 0%, #00a000 100%);
    border-radius: 50%;
}

.feature-item::after {
    content: '✓';
    position: absolute;
    left: 21px;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
}

.feature-item:hover {
    background: #e8f5e9;
    transform: translateX(5px);
}

.feature-text {
    font-size: 1.05rem;
    font-weight: 600;
    color: #2c3e50;
}

/* Stats Grid */
.vietnamese-intro .intro-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.vietnamese-intro .stat-item {
    text-align: center;
    padding: 30px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.vietnamese-intro .stat-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0, 128, 0, 0.15);
}

.vietnamese-intro .stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: #008000;
    line-height: 1;
    margin-bottom: 12px;
}

.vietnamese-intro .stat-label {
    font-size: 1rem;
    font-weight: 600;
    color: #555;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============================================================================
   Business Areas - Lĩnh vực kinh doanh
   ============================================================================ */
.vietnamese-business {
    padding: 100px 0;
    background: #ffffff;
}

.vietnamese-business .section-description {
    font-size: 1.15rem;
    color: #666;
    max-width: 600px;
    margin: 20px auto 0;
}

.vietnamese-business .business-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.business-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 128, 0, 0.15);
}

.business-image {
    position: relative;
    overflow: hidden;
    height: 220px;
}

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

.business-card:hover .business-image img {
    transform: scale(1.1);
}

.business-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to bottom, transparent 0%, rgba(0, 128, 0, 0.9) 100%);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.business-card:hover .business-overlay {
    opacity: 1;
}

.business-link {
    color: #ffffff;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.2);
    border: 2px solid #ffffff;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.business-link:hover {
    background: #ffffff;
    color: #008000;
}

.business-content {
    padding: 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.business-title {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
    line-height: 1.3;
}

.business-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.business-title a:hover {
    color: #008000;
}

.business-excerpt {
    font-size: 1rem;
    line-height: 1.7;
    color: #666;
    margin-bottom: 20px;
    flex: 1;
}

.business-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #008000;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 0.95rem;
}

.business-more:hover {
    color: #006600;
    gap: 12px;
}

.business-more .arrow {
    transition: transform 0.3s ease;
}

.business-more:hover .arrow {
    transform: translateX(5px);
}

/* Fallback Business Icons */
.business-icon {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    position: relative;
}

.business-icon::before {
    content: '';
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #008000 0%, #00a000 100%);
    border-radius: 50%;
    opacity: 0.2;
}

.business-icon .icon {
    font-size: 0;
}

/* ============================================================================
   Featured Products - Sản phẩm nổi bật
   ============================================================================ */
.vietnamese-products {
    padding: 100px 0;
    background: linear-gradient(to bottom, #ffffff 0%, #f8f9fa 100%);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.product-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(255, 140, 0, 0.15);
}

.product-image {
    position: relative;
    overflow: hidden;
    height: 240px;
}

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

.product-card:hover .product-image img {
    transform: scale(1.1);
}

.product-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    padding: 8px 16px;
    background: #008000;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.product-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.product-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 12px;
    line-height: 1.3;
}

.product-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}

.product-title a:hover {
    color: #008000;
}

.product-excerpt {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #666;
    margin-bottom: 20px;
    flex: 1;
}

.product-footer {
    display: flex;
    gap: 12px;
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.9rem;
    border-radius: 6px;
    flex: 1;
    text-align: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline {
    background: transparent;
    color: #008000;
    border: 2px solid #008000;
}

.btn-outline:hover {
    background: #008000;
    color: #ffffff;
}

.btn-primary.btn-small {
    background: #008000;
    color: #ffffff;
    border: 2px solid #008000;
}

.btn-primary.btn-small:hover {
    background: #006600;
    border-color: #006600;
}

/* ============================================================================
   Why Choose Us - Tại sao chọn chúng tôi
   ============================================================================ */
.vietnamese-why {
    padding: 100px 0;
    background: linear-gradient(135deg, #e8f5e9 0%, #fff3e0 100%);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.advantage-item {
    text-align: center;
    padding: 40px 30px;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 40px rgba(0, 128, 0, 0.15);
}

.advantage-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, #e8f5e9 0%, #c8e6c9 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0;
    position: relative;
}

.advantage-icon::before {
    content: '';
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #008000 0%, #00a000 100%);
    border-radius: 50%;
    position: absolute;
}

.advantage-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1a1a1a;
    margin-bottom: 16px;
}

.advantage-text {
    font-size: 1rem;
    line-height: 1.7;
    color: #666;
}

/* ============================================================================
   CTA Section - Kêu gọi hành động
   ============================================================================ */
.vietnamese-cta {
    padding: 100px 0;
    background: linear-gradient(135deg, #006600 0%, #008000 100%);
    color: #ffffff;
    text-align: center;
}

.vietnamese-cta .cta-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 24px;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
}

.vietnamese-cta .cta-text {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.vietnamese-cta .cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.vietnamese-cta .btn-primary {
    background: #ffffff;
    color: #006600;
    border: 2px solid #ffffff;
}

.vietnamese-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    color: #004d00;
    transform: translateY(-2px);
}

.vietnamese-cta .btn-whatsapp {
    background: rgba(37, 211, 102, 0.9);
    color: #ffffff;
    border: 2px solid rgba(37, 211, 102, 0.9);
}

.vietnamese-cta .btn-whatsapp:hover {
    background: #25D366;
    border-color: #25D366;
    transform: translateY(-2px);
}

.vietnamese-cta .cta-note {
    font-size: 1.05rem;
    opacity: 0.9;
    margin-top: 30px;
}

/* ============================================================================
   Section Footer
   ============================================================================ */
.section-footer {
    margin-top: 60px;
}

.section-footer .btn-large {
    padding: 16px 40px;
    font-size: 1.05rem;
    font-weight: 600;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.section-footer .btn-primary {
    background: #008000;
    color: #ffffff;
    border: 2px solid #008000;
}

.section-footer .btn-primary:hover {
    background: #006600;
    border-color: #006600;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 128, 0, 0.2);
}

.section-footer .btn-outline {
    background: transparent;
    color: #008000;
    border: 2px solid #008000;
}

.section-footer .btn-outline:hover {
    background: #008000;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 128, 0, 0.2);
}

/* 关于我们部分的按钮 */
.vietnamese-intro .btn-outline {
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 8px;
    background: transparent;
    color: #008000;
    border: 2px solid #008000;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.vietnamese-intro .btn-outline:hover {
    background: #008000;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 128, 0, 0.2);
}

/* 业务领域模块按钮覆盖 - 高优先级 */
body.lang-vi .vietnamese-business .section-footer .btn-primary,
body.lang-vi .business-areas .section-footer .btn-primary {
    background: #008000 !important;
    color: #ffffff !important;
    border: 2px solid #008000 !important;
}

body.lang-vi .vietnamese-business .section-footer .btn-primary:hover,
body.lang-vi .business-areas .section-footer .btn-primary:hover {
    background: #006600 !important;
    border-color: #006600 !important;
}

/* 产品模块按钮覆盖 - 高优先级 */
body.lang-vi .vietnamese-products .section-footer .btn-outline,
body.lang-vi .featured-products .section-footer .btn-outline {
    background: transparent !important;
    color: #008000 !important;
    border: 2px solid #008000 !important;
}

body.lang-vi .vietnamese-products .section-footer .btn-outline:hover,
body.lang-vi .featured-products .section-footer .btn-outline:hover {
    background: #008000 !important;
    color: #ffffff !important;
}

body.lang-vi .vietnamese-products .btn-outline,
body.lang-vi .featured-products .btn-outline {
    background: transparent !important;
    color: #008000 !important;
    border: 2px solid #008000 !important;
}

body.lang-vi .vietnamese-products .btn-outline:hover,
body.lang-vi .featured-products .btn-outline:hover {
    background: #008000 !important;
    color: #ffffff !important;
}

body.lang-vi .vietnamese-products .btn-primary,
body.lang-vi .featured-products .btn-primary {
    background: #008000 !important;
    color: #ffffff !important;
    border: 2px solid #008000 !important;
}

body.lang-vi .vietnamese-products .btn-primary:hover,
body.lang-vi .featured-products .btn-primary:hover {
    background: #006600 !important;
    border-color: #006600 !important;
}

/* ============================================================================
   Animations
   ============================================================================ */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================================================
   Responsive Design - Thiết kế đáp ứng
   ============================================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .vietnamese-hero .hero-title {
        font-size: 2.8rem;
    }
    
    .vietnamese-intro .intro-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .vietnamese-business .business-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    .vietnamese-hero {
        min-height: 600px;
    }
    
    .vietnamese-hero .hero-title {
        font-size: 2.2rem;
    }
    
    .vietnamese-hero .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .vietnamese-hero .hero-buttons {
        flex-direction: column;
        gap: 16px;
    }
    
    .vietnamese-hero .btn-large {
        width: 100%;
    }
    
    .hero-trust-badges {
        flex-direction: column;
        gap: 12px;
    }
    
    .vietnamese-intro,
    .vietnamese-business,
    .vietnamese-products,
    .vietnamese-why,
    .vietnamese-cta {
        padding: 60px 0;
    }
    
    .vietnamese-intro .section-title,
    .vietnamese-cta .cta-title {
        font-size: 2rem;
    }
    
    .vietnamese-intro .intro-stats {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .vietnamese-business .business-grid,
    .products-grid,
    .advantages-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .vietnamese-cta .cta-buttons {
        flex-direction: column;
    }
    
    .vietnamese-cta .btn-large {
        width: 100%;
    }
}