:root {
    --primary-color: #11A84E;
    --secondary-color: #22C768;
    --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --card-bg: #11271B;
    --body-bg: #08160F;
    --text-main: #F2FFF6;
    --text-secondary: #A7D9B8;
    --border-color: #2E7A4E;
    --glow-color: #57E38D;
    --gold-color: #F2C14E;
    --divider-color: #1E3A2A;
    --deep-green: #0A4B2C;
}

.page-blog {
    background-color: var(--body-bg);
    color: var(--text-main); /* Đảm bảo độ tương phản trên nền tối */
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.page-blog__section {
    padding: 60px 0;
    position: relative;
    overflow: hidden; /* Ngăn chặn tràn nội dung */
}

.page-blog__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Đảm bảo hình ảnh ở trên, nội dung ở dưới */
    align-items: center;
    justify-content: center;
    padding-bottom: 60px; /* Khoảng cách dưới nội dung */
    text-align: center;
    background-color: var(--deep-green); /* Nền cho phần hero */
    overflow: hidden;
    padding-top: 10px; /* Top padding nhỏ */
}

.page-blog__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 30px; /* Khoảng cách giữa ảnh và nội dung */
    box-sizing: border-box;
    overflow: hidden;
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 500px; /* Giới hạn chiều cao ảnh hero */
}

.page-blog__hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
    z-index: 1; /* Đảm bảo nội dung không bị ảnh che phủ */
}

.page-blog__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem); /* Sử dụng clamp cho H1 */
    color: var(--gold-color);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: 0.5px;
    text-shadow: 0 0 10px rgba(242, 193, 78, 0.5); /* Hiệu ứng phát sáng nhẹ */
}

.page-blog__hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Section Titles */
.page-blog__section-title {
    font-size: 2.5rem;
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-blog__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--gold-color);
    border-radius: 2px;
}

/* Text Blocks */
.page-blog__text-block {
    font-size: 1.05rem;
    color: var(--text-main);
    margin-bottom: 20px;
    text-align: justify;
}

/* Card Styling */
.page-blog__card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; /* Đảm bảo chiều cao đồng nhất trong grid */
    box-sizing: border-box;
}

.page-blog__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

/* CTA Button */
.page-blog__cta-button {
    display: inline-block;
    background: var(--button-gradient);
    color: #ffffff; /* Luôn là màu trắng cho nút */
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Đảm bảo nút không tràn */
    box-sizing: border-box;
    white-space: normal; /* Cho phép chữ xuống dòng */
    word-wrap: break-word; /* Ngắt từ khi cần */
}

.page-blog__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    opacity: 0.9;
}

/* About Blog Section */
.page-blog__about-blog-section .page-blog__container {
    text-align: center;
}

/* Featured Categories */
.page-blog__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog__category-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.page-blog__category-title {
    font-size: 1.7rem;
    color: var(--gold-color);
    margin-bottom: 15px;
    text-align: left;
}

.page-blog__category-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex-grow: 1; /* Đẩy nút xuống dưới */
    text-align: left;
}

.page-blog__article-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    width: 100%;
}

.page-blog__article-item {
    margin-bottom: 10px;
}

.page-blog__article-link {
    color: var(--text-main);
    text-decoration: none;
    font-size: 1rem;
    transition: color 0.3s ease;
    display: block;
    padding: 5px 0;
}

.page-blog__article-link:hover {
    color: var(--gold-color);
    text-decoration: underline;
}

.page-blog__category-button {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--primary-color);
    color: #ffffff;
    text-decoration: none;
    border-radius: 25px;
    font-size: 0.95rem;
    font-weight: bold;
    transition: background-color 0.3s ease;
    margin-top: auto; /* Đẩy nút xuống cuối card */
}

.page-blog__category-button:hover {
    background-color: var(--secondary-color);
}

/* Featured Articles */
.page-blog__article-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-blog__article-card {
    padding: 0; /* Card tự có padding, bỏ padding ở đây */
    overflow: hidden;
}

.page-blog__article-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
    height: 100%;
}

.page-blog__article-image-wrapper {
    width: 100%;
    height: 200px; /* Chiều cao cố định cho ảnh */
    overflow: hidden;
    border-radius: 10px 10px 0 0;
}

.page-blog__article-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.page-blog__article-card:hover .page-blog__article-image {
    transform: scale(1.05);
}

.page-blog__article-card-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    height: calc(100% - 200px); /* Đảm bảo nội dung chiếm phần còn lại */
    box-sizing: border-box;
}

.page-blog__article-card-title {
    font-size: 1.4rem;
    color: var(--gold-color);
    margin-bottom: 10px;
    line-height: 1.3;
}

.page-blog__article-card-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    flex-grow: 1; /* Đẩy date và read more xuống dưới */
}

.page-blog__article-date {
    font-size: 0.85rem;
    color: var(--text-secondary);
    opacity: 0.8;
    margin-bottom: 15px;
    display: block;
}

.page-blog__read-more-link {
    color: var(--primary-color);
    font-weight: bold;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog__read-more-link:hover {
    color: var(--gold-color);
    text-decoration: underline;
}

.page-blog__view-all-button-container {
    text-align: center;
    margin-top: 50px;
}

/* Video Section */
.page-blog__video-section {
    background-color: var(--deep-green); /* Nền riêng cho phần video */
    padding-top: 10px; /* Small top padding */
    padding-bottom: 60px;
    text-align: center;
}

.page-blog__video-container {
    width: 100%; /* Desktop width */
    max-width: 1000px; /* Max width for video */
    margin: 0 auto;
    box-sizing: border-box;
    overflow: hidden;
}

.page-blog__video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    max-width: 100%;
    background: #000;
    border-radius: 10px;
    margin-top: 30px;
    margin-bottom: 30px;
}

.page-blog__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
    border-radius: 10px;
    cursor: pointer;
}

.page-blog__video-cta {
    margin-top: 30px;
}

/* FAQ Section */
.page-blog__faq-list {
    margin-top: 40px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__faq-item {
    margin-bottom: 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2rem;
    font-weight: bold;
    color: var(--text-main);
    cursor: pointer;
    background-color: var(--deep-green);
    border-bottom: 1px solid var(--border-color);
}

.page-blog__faq-item[open] .page-blog__faq-question {
    border-bottom-color: transparent; /* Loại bỏ đường viền khi mở */
}

.page-blog__faq-question::-webkit-details-marker,
.page-blog__faq-question::marker {
    display: none;
}

.page-blog__faq-qtext {
    flex-grow: 1;
}

.page-blog__faq-toggle {
    font-size: 1.5rem;
    margin-left: 15px;
    color: var(--gold-color);
    transition: transform 0.3s ease;
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
    transform: rotate(45deg); /* Xoay dấu + thành X */
}

.page-blog__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    color: var(--text-secondary);
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    max-height: 0;
    overflow: hidden;
}

.page-blog__faq-item[open] .page-blog__faq-answer {
    max-height: 500px; /* Giá trị đủ lớn để chứa nội dung */
    padding-top: 15px;
}

.page-blog__faq-answer p {
    margin-bottom: 0; /* Loại bỏ margin-bottom mặc định của p trong faq answer */
}

/* Bottom CTA Section */
.page-blog__cta-bottom-section {
    text-align: center;
    background-color: var(--deep-green);
    padding: 80px 20px;
}

.page-blog__bottom-cta {
    margin-top: 40px;
}


/* Responsive Design */
@media (max-width: 1024px) {
    .page-blog__hero-title {
        font-size: clamp(2rem, 4.5vw, 3rem);
    }

    .page-blog__section-title {
        font-size: 2rem;
    }

    .page-blog__category-grid,
    .page-blog__article-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 768px) {
    .page-blog__section {
        padding: 40px 0;
    }

    .page-blog__container {
        padding: 0 15px;
    }

    .page-blog__hero-section {
        padding-bottom: 40px;
    }

    .page-blog__hero-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }

    .page-blog__hero-description {
        font-size: 1rem;
    }

    .page-blog__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .page-blog__text-block {
        font-size: 0.95rem;
    }

    /* Images responsiveness */
    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Image containers responsiveness */
    .page-blog__section,
    .page-blog__card,
    .page-blog__container,
    .page-blog__hero-image-wrapper,
    .page-blog__article-image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px; /* Add padding to container-like elements */
        padding-right: 15px;
    }
    
    /* Specific override for elements that should not have horizontal padding like image wrappers */
    .page-blog__hero-image-wrapper,
    .page-blog__article-image-wrapper {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    /* Video responsiveness */
    .page-blog video,
    .page-blog__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    /* Video containers responsiveness */
    .page-blog__video-section,
    .page-blog__video-container,
    .page-blog__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-blog__video-section {
        padding-top: 10px !important; /* body đã xử lý header-offset */
    }

    /* Button responsiveness */
    .page-blog__cta-button,
    .page-blog__category-button,
    .page-blog a[class*="button"],
    .page-blog a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px; /* Ensure button text has padding */
        padding-right: 15px;
        text-align: center;
    }

    /* Button containers responsiveness */
    .page-blog__view-all-button-container,
    .page-blog__cta-bottom-section .page-blog__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    /* If multiple buttons in a row, make them stack */
    .page-blog__cta-buttons { /* Assuming a flex container for buttons */
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .page-blog__article-card-content {
        height: auto; /* Cho phép chiều cao tự động trên mobile */
    }

    .page-blog__faq-question {
        font-size: 1rem;
        padding: 15px 20px;
    }

    .page-blog__faq-answer {
        font-size: 0.9rem;
        padding: 0 20px 15px 20px;
    }
}

@media (max-width: 480px) {
    .page-blog__hero-title {
        font-size: clamp(1.5rem, 9vw, 2rem);
    }
    .page-blog__section-title {
        font-size: 1.5rem;
    }
    .page-blog__article-card-title {
        font-size: 1.2rem;
    }
}