/* style/blog.css */

/* Variables */
:root {
    --k89xs-primary: #11A84E;
    --k89xs-secondary: #22C768;
    --k89xs-card-bg: #11271B;
    --k89xs-background: #08160F;
    --k89xs-text-main: #F2FFF6;
    --k89xs-text-secondary: #A7D9B8;
    --k89xs-border: #2E7A4E;
    --k89xs-glow: #57E38D;
    --k89xs-gold: #F2C14E;
    --k89xs-divider: #1E3A2A;
    --k89xs-deep-green: #0A4B2C;
    --k89xs-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

/* Base styles for page-blog */
.page-blog {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background-color: #fff; /* Body background is white */
}

.page-blog__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
    box-sizing: border-box;
}

.page-blog__section-title {
    font-size: 2.5em;
    color: var(--k89xs-primary);
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-blog__section-description {
    font-size: 1.1em;
    color: #555;
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px 0 60px 0; /* 10px top padding for initial spacing */
    overflow: hidden;
    background-color: var(--k89xs-background);
}

.page-blog__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    opacity: 0.3;
}

.page-blog__hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--k89xs-text-main);
    max-width: 900px;
    padding: 20px;
}

.page-blog__main-title {
    font-weight: bold;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
    color: var(--k89xs-text-main);
    /* Use clamp for responsive H1 font-size */
    font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.page-blog__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--k89xs-text-secondary);
}

/* CTA Button */
.page-blog__cta-button {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog__btn-primary {
    background: var(--k89xs-btn-gradient);
    color: #ffffff;
    border: none;
}

.page-blog__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-blog__btn-secondary {
    background-color: transparent;
    color: var(--k89xs-primary);
    border: 2px solid var(--k89xs-primary);
}

.page-blog__btn-secondary:hover {
    background-color: var(--k89xs-primary);
    color: #ffffff;
}

/* Latest Posts Section */
.page-blog__latest-posts {
    padding: 80px 0;
    background-color: #fff; /* Light background */
    color: #333333;
}

.page-blog__latest-posts .page-blog__section-title,
.page-blog__latest-posts .page-blog__section-description {
    color: #333333;
}

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

.page-blog__post-card {
    background-color: var(--k89xs-card-bg); /* Dark card background */
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--k89xs-text-main);
    border: 1px solid var(--k89xs-border);
}

.page-blog__post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-blog__card-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
}

.page-blog__card-content {
    padding: 25px;
}

.page-blog__card-title {
    font-size: 1.4em;
    margin-bottom: 10px;
    font-weight: bold;
    color: var(--k89xs-text-main);
}

.page-blog__card-title a {
    color: var(--k89xs-text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog__card-title a:hover {
    color: var(--k89xs-secondary);
}

.page-blog__card-meta {
    font-size: 0.9em;
    color: var(--k89xs-text-secondary);
    margin-bottom: 15px;
}

.page-blog__card-text {
    font-size: 1em;
    color: var(--k89xs-text-secondary);
    margin-bottom: 20px;
}

.page-blog__read-more {
    display: inline-block;
    color: var(--k89xs-secondary);
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-blog__read-more:hover {
    color: var(--k89xs-gold);
}

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

/* Category Section */
.page-blog__category-section {
    padding: 80px 0;
    background-color: var(--k89xs-background); /* Dark background */
    color: var(--k89xs-text-main);
}

.page-blog__category-section .page-blog__section-title,
.page-blog__category-section .page-blog__section-description {
    color: var(--k89xs-text-main);
}

.page-blog__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.page-blog__category-card {
    background-color: var(--k89xs-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: var(--k89xs-text-main);
    border: 1px solid var(--k89xs-border);
}

.page-blog__category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Featured Article Section */
.page-blog__featured-article {
    padding: 80px 0;
    background-color: #fff;
    color: #333333;
}

.page-blog__featured-article .page-blog__section-title {
    color: #333333;
}

.page-blog__featured-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

.page-blog__featured-image {
    flex: 1;
    max-width: 50%;
    border-radius: 12px;
    object-fit: cover;
    height: auto;
    min-width: 200px;
}

.page-blog__featured-text {
    flex: 1;
}

.page-blog__featured-text p {
    margin-bottom: 20px;
    font-size: 1.1em;
    color: #555;
}

/* Guide Section */
.page-blog__guide-section {
    padding: 80px 0;
    background-color: var(--k89xs-background);
    color: var(--k89xs-text-main);
}

.page-blog__guide-section .page-blog__section-title,
.page-blog__guide-section .page-blog__section-description {
    color: var(--k89xs-text-main);
}

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

.page-blog__guide-item {
    background-color: var(--k89xs-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--k89xs-text-main);
    border: 1px solid var(--k89xs-border);
}

.page-blog__guide-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 80px 0;
    background-color: #fff;
    color: #333333;
}

.page-blog__faq-section .page-blog__section-title {
    color: #333333;
}

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

.page-blog__faq-item {
    background-color: var(--k89xs-card-bg);
    border-radius: 12px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--k89xs-text-main);
    border: 1px solid var(--k89xs-border);
}

.page-blog__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1em;
    color: var(--k89xs-text-main);
    background-color: var(--k89xs-deep-green);
    border-bottom: 1px solid var(--k89xs-border);
}

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

.page-blog__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
    transform: rotate(45deg);
}

.page-blog__faq-answer {
    padding: 20px 25px;
    font-size: 1em;
    color: var(--k89xs-text-secondary);
}

.page-blog__faq-answer p {
    margin-bottom: 10px;
}

.page-blog__faq-answer a {
    color: var(--k89xs-secondary);
    text-decoration: none;
}

.page-blog__faq-answer a:hover {
    text-decoration: underline;
}

/* CTA Section */
.page-blog__cta-section {
    padding: 80px 0;
    background-color: var(--k89xs-background);
    color: var(--k89xs-text-main);
    text-align: center;
}

.page-blog__cta-section .page-blog__section-title,
.page-blog__cta-section .page-blog__section-description {
    color: var(--k89xs-text-main);
}

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

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

    .page-blog__container {
        padding: 0 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

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

    .page-blog__hero-section {
        padding: 10px 0 40px 0;
    }

    .page-blog__main-title {
        font-size: clamp(2rem, 8vw, 2.5rem);
    }

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

    .page-blog__cta-button {
        padding: 12px 25px;
        font-size: 1em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-blog__latest-posts,
    .page-blog__category-section,
    .page-blog__featured-article,
    .page-blog__guide-section,
    .page-blog__faq-section,
    .page-blog__cta-section {
        padding: 40px 0;
    }

    .page-blog__post-grid,
    .page-blog__category-grid,
    .page-blog__guide-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-blog__featured-content {
        flex-direction: column;
    }

    .page-blog__featured-image {
        max-width: 100%;
        width: 100%;
    }

    .page-blog__faq-item summary {
        padding: 15px 20px;
        font-size: 1em;
    }

    .page-blog__faq-answer {
        padding: 15px 20px;
    }

    /* Mobile image responsive styles */
    .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;
        overflow: hidden;
    }

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

    /* Ensure content area images maintain minimum size if applicable, or scale down responsively */
    /* For blog content images, they should scale down but not be tiny. */
    .page-blog__card-image, 
    .page-blog__featured-image {
        min-width: 200px !important;
        min-height: 150px !important; /* Adjust if needed to ensure content image is not too small */
    }
}

/* Ensure all images scale down responsively */
.page-blog img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Button specific responsive styles */
.page-blog__cta-buttons,
.page-blog__button-group,
.page-blog__btn-container {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
}

@media (max-width: 768px) {
    .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;
    }
    .page-blog__cta-buttons {
        display: flex;
        flex-direction: column; 
        align-items: center;
    }
}

/* Contrast fixes for light background */
.page-blog__light-bg .page-blog__section-title,
.page-blog__light-bg .page-blog__section-description,
.page-blog__light-bg p,
.page-blog__light-bg li {
    color: #333333;
}

/* Contrast fixes for dark background */
.page-blog__dark-bg .page-blog__section-title,
.page-blog__dark-bg .page-blog__section-description,
.page-blog__dark-bg p,
.page-blog__dark-bg li {
    color: var(--k89xs-text-main);
}

.page-blog__card {
    background-color: var(--k89xs-card-bg);
    color: var(--k89xs-text-main);
    border: 1px solid var(--k89xs-border);
}

.page-blog__card-title a {
    color: var(--k89xs-text-main);
}

.page-blog__card-meta,
.page-blog__card-text {
    color: var(--k89xs-text-secondary);
}