/* style/blog.css */
/* body đã padding-top: var(--header-offset)；trang này cấm viết lại biến đó */
.page-blog {
    background-color: var(--bg-color, #08160F); /* Fallback to custom background if --bg-color is not set */
    color: var(--text-main, #F2FFF6); /* Default text color for the page */
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.page-blog__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column; /* Image on top, content below */
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, header offset handled by body */
    box-sizing: border-box;
    text-align: center;
}

.page-blog__hero-image-wrapper {
    width: 100%;
    max-width: 1200px; /* Constrain image width */
    margin-bottom: 30px; /* Space between image and content */
    overflow: hidden;
    border-radius: 10px;
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

.page-blog__hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.page-blog__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive font size */
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--text-main, #F2FFF6);
}

.page-blog__description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: var(--text-secondary, #A7D9B8);
}

.page-blog__cta-button {
    display: inline-block;
    padding: 15px 30px;
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: background-color 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 100%; /* Ensure responsiveness */
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog__cta-button:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-blog__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 50px;
    color: var(--text-main, #F2FFF6);
}

.page-blog__categories-section,
.page-blog__featured-articles-section,
.page-blog__why-read-section,
.page-blog__faq-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 20px;
    box-sizing: border-box;
}

.page-blog__categories-grid,
.page-blog__articles-grid,
.page-blog__benefits-grid {
    display: grid;
    gap: 30px;
}

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

.page-blog__category-card {
    background-color: var(--card-bg, #11271B);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    text-decoration: none;
    color: var(--text-main, #F2FFF6);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: 1px solid var(--border, #2E7A4E);
}

.page-blog__category-card:hover {
    transform: translateY(-5px);
    background-color: var(--deep-green, #0A4B2C);
}

.page-blog__category-title {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-main, #F2FFF6);
}

.page-blog__category-desc {
    font-size: 0.95rem;
    color: var(--text-secondary, #A7D9B8);
}

.page-blog__articles-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.page-blog__article-card {
    background-color: var(--card-bg, #11271B);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
    border: 1px solid var(--border, #2E7A4E);
}

.page-blog__article-card:hover {
    transform: translateY(-5px);
}

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

.page-blog__article-image {
    width: 100%;
    height: 250px; /* Fixed height for consistency, object-fit will crop */
    object-fit: cover;
    display: block;
}

.page-blog__article-content {
    padding: 20px;
}

.page-blog__article-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--text-main, #F2FFF6);
}

.page-blog__article-meta {
    font-size: 0.85rem;
    color: var(--text-secondary, #A7D9B8);
    margin-bottom: 15px;
}

.page-blog__article-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary, #A7D9B8);
}

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

.page-blog__benefits-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    text-align: center;
}

.page-blog__benefit-item {
    background-color: var(--card-bg, #11271B);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border, #2E7A4E);
}

.page-blog__benefit-title {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: var(--text-main, #F2FFF6);
}

.page-blog__benefit-desc {
    font-size: 0.95rem;
    color: var(--text-secondary, #A7D9B8);
}

.page-blog__cta-section {
    background-color: var(--deep-green, #0A4B2C); /* Use a distinct dark green */
    padding: 80px 20px;
    text-align: center;
    box-sizing: border-box;
}

.page-blog__cta-content {
    max-width: 900px;
    margin: 0 auto;
    color: #ffffff; /* Ensure white text on this dark background */
}

.page-blog__cta-section .page-blog__section-title {
    color: #ffffff;
    margin-bottom: 25px;
}

.page-blog__cta-section .page-blog__description {
    color: #f2fff6; /* Slightly off-white for secondary text */
    margin-bottom: 40px;
}

.page-blog__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

.page-blog__btn-primary {
    background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    color: #ffffff;
    border: none;
}

.page-blog__btn-primary:hover {
    background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
}

.page-blog__btn-secondary {
    background-color: transparent;
    color: var(--text-main, #F2FFF6);
    border: 2px solid var(--border, #2E7A4E);
}

.page-blog__btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--glow, #57E38D);
}

.page-blog__faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.page-blog__faq-item {
    background-color: var(--card-bg, #11271B);
    border: 1px solid var(--border, #2E7A4E);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--text-main, #F2FFF6);
}

.page-blog__faq-item summary {
    list-style: none; /* Hide default marker */
    padding: 20px 25px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-main, #F2FFF6);
    transition: background-color 0.3s ease;
}

.page-blog__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for Webkit */
}

.page-blog__faq-item summary:hover {
    background-color: rgba(46, 122, 78, 0.2); /* Lighter hover for border color */
}

.page-blog__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    color: var(--glow, #57E38D);
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
    content: "−"; /* Change to minus when open */
}

.page-blog__faq-answer {
    padding: 0 25px 20px;
    font-size: 1rem;
    color: var(--text-secondary, #A7D9B8);
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .page-blog__main-title {
        font-size: clamp(2rem, 5vw, 3rem);
    }
    .page-blog__section-title {
        font-size: clamp(1.6rem, 4vw, 2.5rem);
    }
}

@media (max-width: 768px) {
    .page-blog {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-blog__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important; /* body đã xử lý --header-offset */
    }

    .page-blog__hero-image-wrapper {
        margin-bottom: 20px;
    }

    .page-blog__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-blog__description {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .page-blog__cta-button {
        padding: 12px 25px;
        font-size: 0.95rem;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-blog__section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
        margin-bottom: 30px;
    }

    .page-blog__categories-section,
    .page-blog__featured-articles-section,
    .page-blog__why-read-section,
.page-blog__faq-section,
    .page-blog__cta-section {
        padding: 50px 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog__categories-grid,
    .page-blog__articles-grid,
    .page-blog__benefits-grid {
        grid-template-columns: 1fr; /* Single column layout */
        gap: 20px;
    }

    .page-blog__article-image {
        height: 200px; /* Adjust height for mobile */
    }

    .page-blog__article-title {
        font-size: 1.1rem;
    }

    .page-blog__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        padding-left: 0;
        padding-right: 0;
    }

    .page-blog__cta-buttons .page-blog__cta-button {
        width: 100%;
    }

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

    .page-blog__section,
    .page-blog__card,
    .page-blog__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Video responsiveness - if any */
    .page-blog video,
    .page-blog__video {
      max-width: 100% !important;
      width: 100% !important;
      height: auto !important;
      display: block !important;
    }
    
    .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;
    }
    .page-blog__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Button specific overrides for mobile */
    .page-blog__cta-button,
    .page-blog__btn-primary,
    .page-blog__btn-secondary,
    .page-blog a[class*="button"],
    .page-blog a[class*="btn"] {
        padding-left: 15px !important;
        padding-right: 15px !important;
    }

    .page-blog__cta-buttons,
    .page-blog__button-group,
    .page-blog__btn-container {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }
}