/* style/blog.css */
/* body đã có padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

/* Base styles for the blog page, respecting the dark body background */
.page-blog {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff; /* Light text for dark body background #1a1a2e */
    background-color: transparent; /* Body background is handled by shared.css */
}

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

.page-blog__dark-bg {
    background-color: #1a1a2e; /* Ensure dark background for sections if needed, matching body */
    color: #ffffff; /* Light text for dark background */
}

.page-blog__section-title {
    font-size: 2.5em;
    font-weight: 700;
    color: #26A9E0; /* Primary brand color for titles */
    text-align: center;
    margin-bottom: 20px;
    padding-top: 20px;
}

.page-blog__section-description {
    font-size: 1.1em;
    text-align: center;
    margin-bottom: 40px;
    color: #f0f0f0;
}

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden; /* Ensure image doesn't overflow */
}

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

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
}

.page-blog__hero-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-blog__main-title {
    font-weight: 700;
    color: #26A9E0; /* Brand color for H1 */
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-blog__intro-text {
    font-size: 1.15em;
    margin-bottom: 30px;
    color: #f0f0f0;
}

/* CTA Buttons */
.page-blog__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 30px;
}

.page-blog__cta-buttons--centered {
    margin-top: 40px;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    text-align: center;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 100%;
}

.page-blog__btn-primary {
    background-color: #26A9E0; /* Primary brand color */
    color: #ffffff;
    border: 2px solid #26A9E0;
}

.page-blog__btn-primary:hover {
    background-color: #1e87c0;
    border-color: #1e87c0;
}

.page-blog__btn-secondary {
    background-color: transparent;
    color: #26A9E0; /* Primary brand color */
    border: 2px solid #26A9E0;
}

.page-blog__btn-secondary:hover {
    background-color: #26A9E0;
    color: #ffffff;
}

/* Latest Posts Section */
.page-blog__latest-posts {
    padding: 60px 0;
}

.page-blog__posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.page-blog__post-card {
    background-color: rgba(255, 255, 255, 0.1); /* Semi-transparent white on dark background */
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease;
}

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

.page-blog__post-image-wrapper {
    width: 100%;
    overflow: hidden;
}

.page-blog__post-image {
    width: 100%;
    height: 225px; /* Fixed height for consistency, object-fit will handle aspect ratio */
    display: block;
    object-fit: cover;
    transition: transform 0.3s ease;
}

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

.page-blog__post-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.page-blog__post-category {
    font-size: 0.9em;
    color: #EA7C07; /* Login color for category highlight */
    font-weight: bold;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.page-blog__post-title {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 15px;
    line-height: 1.3;
}

.page-blog__post-title a {
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog__post-title a:hover {
    color: #26A9E0;
}

.page-blog__post-excerpt {
    font-size: 0.95em;
    color: #cccccc;
    margin-bottom: 15px;
    flex-grow: 1;
}

.page-blog__post-date {
    font-size: 0.85em;
    color: #aaaaaa;
    margin-bottom: 15px;
}

.page-blog__read-more-link {
    display: inline-flex;
    align-items: center;
    color: #26A9E0;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-blog__read-more-link:hover {
    color: #1e87c0;
}

.page-blog__arrow {
    margin-left: 5px;
    font-size: 1.2em;
    line-height: 1;
}

.page-blog__view-all-button-wrapper {
    text-align: center;
    margin-top: 40px;
}

/* Categories Section */
.page-blog__categories {
    padding: 60px 0;
}

.page-blog__categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 20px;
}

.page-blog__category-item {
    display: block;
    background-color: rgba(255, 255, 255, 0.08);
    color: #ffffff;
    padding: 15px 20px;
    text-align: center;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, color 0.3s ease;
    border: 1px solid transparent;
}

.page-blog__category-item:hover {
    background-color: #26A9E0;
    border-color: #26A9E0;
    color: #ffffff;
}

/* Featured Article Section */
.page-blog__featured-article {
    padding: 60px 0;
}

.page-blog__article-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.page-blog__article-image-wrapper {
    flex: 0 0 50%;
    max-width: 50%;
    overflow: hidden;
    border-radius: 8px;
}

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

.page-blog__article-text {
    flex: 1;
    color: #f0f0f0;
}

.page-blog__article-text h3 {
    color: #26A9E0;
    margin-bottom: 20px;
}

.page-blog__article-text p {
    margin-bottom: 15px;
}

.page-blog__article-text a {
    color: #26A9E0;
    text-decoration: underline;
}

.page-blog__article-text a:hover {
    color: #1e87c0;
}

/* Promotions Overview Section */
.page-blog__promotions-overview {
    padding: 60px 0;
}

.page-blog__promotions-content p {
    margin-bottom: 15px;
    color: #f0f0f0;
}

.page-blog__promotions-content a {
    color: #26A9E0;
    text-decoration: underline;
}

.page-blog__promotions-content a:hover {
    color: #1e87c0;
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 60px 0;
}

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

.page-blog__faq-item {
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: #ffffff;
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.1em;
    font-weight: 600;
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.05);
    transition: background-color 0.3s ease;
    -webkit-touch-callout: none; /* iOS Safari */
    -webkit-user-select: none; /* Safari */
    -khtml-user-select: none; /* Konqueror HTML */
    -moz-user-select: none; /* Old versions of Firefox */
    -ms-user-select: none; /* Internet Explorer/Edge */
    user-select: none; /* Non-prefixed version, currently supported by Chrome, Edge, Opera and Firefox */
}

.page-blog__faq-item[open] .page-blog__faq-question {
    background-color: rgba(255, 255, 255, 0.1);
}

.page-blog__faq-question:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

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

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

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

.page-blog__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: #26A9E0;
}

.page-blog__faq-answer {
    padding: 0 25px 20px;
    font-size: 0.95em;
    color: #cccccc;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-blog__section-title {
        font-size: 2em;
    }
    .page-blog__hero-content {
        padding: 0 15px;
    }
    .page-blog__main-title {
        font-size: 2.5em;
    }
    .page-blog__article-content {
        flex-direction: column;
        align-items: center;
    }
    .page-blog__article-image-wrapper {
        flex: none;
        max-width: 100%;
        margin-bottom: 30px;
    }
}

@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 handles --header-offset, small top padding for section */
    }

    .page-blog__main-title {
        font-size: clamp(1.8em, 5vw, 2.2em); /* Clamp for H1 */
        margin-bottom: 10px;
    }

    .page-blog__intro-text {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-blog__section-title {
        font-size: 1.8em;
    }

    .page-blog__section-description {
        font-size: 1em;
        margin-bottom: 30px;
    }

    .page-blog__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        padding: 0 15px; /* Add padding to container */
    }

    .page-blog__btn-primary,
    .page-blog__btn-secondary,
    .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 internal padding for buttons */
        padding-right: 15px;
    }

    .page-blog__cta-buttons,
    .page-blog__button-group,
    .page-blog__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        flex-wrap: wrap !important;
        gap: 10px;
        overflow: hidden !important;
    }
    
    .page-blog__container,
    .page-blog__section,
    .page-blog__card,
    .page-blog__content-area,
    .page-blog__hero-image-wrapper,
    .page-blog__posts-grid,
    .page-blog__categories-grid,
    .page-blog__article-content,
    .page-blog__promotions-content,
    .page-blog__faq-list {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      overflow: hidden !important;
    }

    .page-blog img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-blog__post-image {
        height: auto; /* Allow auto height on mobile */
    }

    .page-blog__article-image-wrapper {
        margin-bottom: 20px;
    }
    
    .page-blog__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-blog__faq-answer {
        padding: 0 20px 15px;
    }
}

@media (max-width: 480px) {
    .page-blog__posts-grid {
        grid-template-columns: 1fr;
    }
    .page-blog__categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    }
}