/* style/blog.css */

/* Variables from custom color scheme */
:root {
    --page-blog-primary-color: #11A84E;
    --page-blog-secondary-color: #22C768;
    --page-blog-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --page-blog-card-bg: #11271B;
    --page-blog-background: #08160F;
    --page-blog-text-main: #F2FFF6;
    --page-blog-text-secondary: #A7D9B8;
    --page-blog-border-color: #2E7A4E;
    --page-blog-glow-color: #57E38D;
    --page-blog-gold-color: #F2C14E;
    --page-blog-divider-color: #1E3A2A;
    --page-blog-deep-green: #0A4B2C;
    --page-blog-light-text-color: #f8f9fa;
    --page-blog-dark-text-color: #333333;
    --page-blog-white-bg: #ffffff;
}

.page-blog {
    font-family: 'Arial', sans-serif;
    background-color: var(--page-blog-background);
    color: var(--page-blog-text-main);
}

/* Hero Section */
.page-blog__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    text-align: center;
    overflow: hidden;
    background-color: var(--page-blog-deep-green);
}

.page-blog__hero-image-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.page-blog__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
    display: block;
}

.page-blog__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
    color: var(--page-blog-text-main);
}

.page-blog__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--page-blog-gold-color);
}

.page-blog__hero-description {
    font-size: 1.15rem;
    line-height: 1.6;
    margin-bottom: 30px;
    color: var(--page-blog-text-secondary);
}

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

.page-blog__section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    color: var(--page-blog-primary-color);
}

.page-blog__section-description {
    font-size: 1.1rem;
    line-height: 1.6;
    text-align: center;
    margin-bottom: 40px;
    color: var(--page-blog-text-secondary);
}

/* Latest Articles Section */
.page-blog__latest-articles {
    padding: 80px 0;
    background-color: var(--page-blog-background);
}

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

.page-blog__article-card {
    background-color: var(--page-blog-card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: var(--page-blog-text-secondary);
    border: 1px solid var(--page-blog-divider-color);
}

.page-blog__article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-blog__article-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

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

.page-blog__article-title {
    font-size: 1.4rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

.page-blog__article-title a:hover {
    color: var(--page-blog-gold-color);
}

.page-blog__article-meta {
    font-size: 0.9rem;
    color: var(--page-blog-text-secondary);
    margin-bottom: 15px;
}

.page-blog__article-excerpt {
    font-size: 1rem;
    line-height: 1.5;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-blog__read-more {
    display: inline-block;
    color: var(--page-blog-primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

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

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

/* Categories Section */
.page-blog__categories-section {
    padding: 80px 0;
    background-color: var(--page-blog-card-bg);
}

.page-blog__categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    justify-content: center;
}

.page-blog__category-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    background-color: var(--page-blog-deep-green);
    padding: 20px;
    border-radius: 10px;
    text-decoration: none;
    color: var(--page-blog-text-main);
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 1px solid var(--page-blog-divider-color);
}

.page-blog__category-card:hover {
    background-color: var(--page-blog-primary-color);
    transform: translateY(-5px);
}

.page-blog__category-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: 15px;
    display: block; /* Ensure no small icons */
    min-width: 60px; /* Smallest allowed for this context, still > 200px rule applies to content images */
    min-height: 60px;
}

.page-blog__category-name {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Why Choose Section */
.page-blog__why-choose {
    padding: 80px 0;
    background-color: var(--page-blog-deep-green);
}

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

.page-blog__feature-item {
    text-align: center;
    padding: 30px;
    background-color: var(--page-blog-card-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--page-blog-divider-color);
}

.page-blog__feature-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--page-blog-gold-color);
}

.page-blog__feature-description {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--page-blog-text-secondary);
}

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

.page-blog__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
    width: 100%;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
    overflow: hidden;
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 80px 0;
    background-color: var(--page-blog-card-bg);
}

.page-blog__faq-list {
    max-width: 800px;
    margin: 40px auto 0 auto;
}

.page-blog__faq-item {
    background-color: var(--page-blog-deep-green);
    border: 1px solid var(--page-blog-border-color);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--page-blog-text-secondary);
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--page-blog-text-main);
    background-color: var(--page-blog-deep-green);
    transition: background-color 0.3s ease;
}

.page-blog__faq-question:hover {
    background-color: var(--page-blog-deep-green);
}

.page-blog__faq-toggle {
    font-size: 1.5rem;
    line-height: 1;
    margin-left: 15px;
    transition: transform 0.3s ease;
    color: var(--page-blog-gold-color);
}

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

.page-blog__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--page-blog-text-secondary);
}

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

.page-blog__faq-item summary {
    list-style: none;
}

/* Button Styles */
.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog__btn-primary {
    background: var(--page-blog-button-gradient);
    color: var(--page-blog-text-main);
    border: 2px solid transparent;
    box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-blog__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(42, 209, 111, 0.6);
}

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

.page-blog__btn-secondary:hover {
    background-color: var(--page-blog-primary-color);
    color: var(--page-blog-text-main);
    transform: translateY(-3px);
}

/* Text Color Contrast Fixes */
.page-blog__dark-section {
    background-color: var(--page-blog-deep-green);
    color: var(--page-blog-text-main);
}

.page-blog__light-bg {
    background-color: var(--page-blog-background);
    color: var(--page-blog-text-secondary);
}

.page-blog__card-bg {
    background-color: var(--page-blog-card-bg);
    color: var(--page-blog-text-main);
}

.page-blog__text-main {
    color: var(--page-blog-text-main);
}

.page-blog__text-secondary {
    color: var(--page-blog-text-secondary);
}

.page-blog__text-contrast-fix {
    color: var(--page-blog-text-main) !important;
}

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

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

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

    .page-blog__article-title {
        font-size: 1.2rem;
    }

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

    .page-blog__categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }
}

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

    .page-blog__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important;
    }

    .page-blog__hero-content {
        padding: 0 15px;
    }

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

    .page-blog__hero-description {
        font-size: 0.95rem;
        margin-bottom: 20px;
    }

    .page-blog__btn-primary,
    .page-blog__btn-secondary {
        font-size: 1rem;
        padding: 12px 25px;
    }

    .page-blog__latest-articles,
    .page-blog__categories-section,
    .page-blog__why-choose,
    .page-blog__cta-section,
    .page-blog__faq-section {
        padding: 50px 0;
    }

    .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: 1.8rem;
        margin-bottom: 15px;
    }

    .page-blog__section-description {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-blog__articles-grid {
        grid-template-columns: 1fr;
        gap: 25px;
    }

    .page-blog__article-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-blog__article-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
    }

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

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

    .page-blog__categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .page-blog__category-card {
        padding: 15px;
    }

    .page-blog__feature-item {
        padding: 25px;
    }

    .page-blog__cta-buttons {
        flex-direction: column;
        gap: 15px;
        padding: 0 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-blog__cta-button,
    .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;
        padding-right: 15px;
    }

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

    .page-blog__faq-answer {
        padding: 0 20px 15px 20px;
    }

    /* Mobile image and video specific overrides */
    .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,
    .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,
    .page-blog__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-blog__video-section {
        padding-top: 10px !important; /* body đã xử lý --header-offset */
    }
}