/* style/blog.css */

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

.page-blog {
    color: var(--page-blog-text-main); /* Mặc định cho nội dung chính */
    background-color: var(--page-blog-background);
}

.page-blog__section {
    padding: 60px 20px;
    position: relative;
    overflow: hidden;
}

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

.page-blog__section-title {
    font-size: clamp(2.2rem, 4vw, 3rem); /* H1 font size with clamp */
    font-weight: 700;
    line-height: 1.2;
    color: var(--page-blog-text-main);
    text-align: center;
    margin-bottom: 20px;
}

.page-blog__section-description {
    font-size: 1.1rem;
    color: var(--page-blog-text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* 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; /* body đã có padding-top, đây là khoảng đệm nhỏ */
    text-align: center;
    min-height: 500px;
    box-sizing: border-box;
}

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

.page-blog__hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(0.4); /* Làm tối ảnh nền để chữ nổi bật */
}

.page-blog__hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 20px;
    background: rgba(8, 22, 15, 0.7); /* Sử dụng màu nền tối hơn để tăng độ tương phản */
    border-radius: 10px;
}

.page-blog__hero-title {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 800;
    color: var(--page-blog-text-main);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.page-blog__hero-description {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--page-blog-text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

/* Buttons */
.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: nowrap;
    cursor: pointer;
    box-sizing: border-box;
    text-align: center;
}

.page-blog__btn-primary {
    background: var(--page-blog-button-gradient);
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-blog__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-blog__btn-secondary {
    background: transparent;
    color: var(--page-blog-primary-color);
    border: 2px solid var(--page-blog-primary-color);
    margin-left: 15px;
}

.page-blog__btn-secondary:hover {
    background: var(--page-blog-primary-color);
    color: #ffffff;
    transform: translateY(-2px);
}

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

.page-blog__post-card {
    background: var(--page-blog-card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog__post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.page-blog__post-image-wrapper {
    width: 100%;
    height: 225px; /* Fixed height for consistency */
    overflow: hidden;
}

.page-blog__post-image {
    width: 100%;
    height: 100%;
    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;
}

.page-blog__post-meta {
    font-size: 0.9rem;
    color: var(--page-blog-text-secondary);
    margin-bottom: 10px;
}

.page-blog__post-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
}

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

.page-blog__post-title a:hover {
    color: var(--page-blog-primary-color);
}

.page-blog__post-excerpt {
    font-size: 1rem;
    color: var(--page-blog-text-secondary);
    line-height: 1.5;
    margin-bottom: 20px;
}

.page-blog__read-more {
    display: inline-flex;
    align-items: center;
    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);
}

.page-blog__arrow {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.page-blog__read-more:hover .page-blog__arrow {
    transform: translateX(5px);
}

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

/* Categories Section */
.page-blog__dark-section {
    background-color: var(--page-blog-deep-green);
    color: var(--page-blog-text-main);
}

.page-blog__dark-section .page-blog__section-title {
    color: var(--page-blog-text-main);
}

.page-blog__dark-section .page-blog__section-description {
    color: var(--page-blog-text-secondary);
}

.page-blog__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-blog__category-card {
    background: rgba(17, 40, 27, 0.8); /* Slightly transparent dark green */
    border: 1px solid var(--page-blog-border);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.page-blog__category-card:hover {
    background: var(--page-blog-primary-color);
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(17, 168, 78, 0.4);
}

.page-blog__category-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--page-blog-text-main);
    margin-bottom: 10px;
}

.page-blog__category-card:hover .page-blog__category-title {
    color: #ffffff;
}

.page-blog__category-count {
    font-size: 0.95rem;
    color: var(--page-blog-text-secondary);
}

.page-blog__category-card:hover .page-blog__category-count {
    color: #e0e0e0;
}

/* Popular Posts Section */
.page-blog__popular-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 40px;
}

.page-blog__popular-item {
    background: var(--page-blog-card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--page-blog-divider);
    transition: background-color 0.3s ease;
}

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

.page-blog__popular-item-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 5px;
}

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

.page-blog__popular-item-title a:hover {
    color: var(--page-blog-primary-color);
}

.page-blog__popular-item-meta {
    font-size: 0.85rem;
    color: var(--page-blog-text-secondary);
}

/* About Blog Section */
.page-blog__about-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--page-blog-text-secondary);
    margin-bottom: 25px;
    text-align: justify;
}

.page-blog__about-blog .page-blog__btn-secondary {
    margin-left: 0; /* Override default margin for single button */
    display: block;
    width: fit-content;
    margin: 40px auto 0 auto;
}

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

.page-blog__cta-section .page-blog__section-title {
    color: var(--page-blog-text-main);
    margin-bottom: 20px;
}

.page-blog__cta-description {
    font-size: 1.2rem;
    color: var(--page-blog-text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.page-blog__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

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

.page-blog__faq-item {
    background: var(--page-blog-card-bg);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    border: 1px solid var(--page-blog-divider);
}

.page-blog__faq-item summary {
    list-style: none; /* Hide default marker */
}

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

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--page-blog-text-main);
    cursor: pointer;
    background-color: var(--page-blog-deep-green); /* Slightly darker for question */
    border-bottom: 1px solid var(--page-blog-divider);
}

.page-blog__faq-item[open] .page-blog__faq-question {
    border-bottom: 1px solid var(--page-blog-primary-color);
}

.page-blog__faq-qtext {
    flex-grow: 1;
    margin-right: 15px;
}

.page-blog__faq-toggle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--page-blog-primary-color);
    transition: transform 0.3s ease;
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
    transform: rotate(45deg); /* Change to X or rotate for open state */
    color: var(--page-blog-gold);
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-blog__hero-content {
        padding: 15px;
    }

    .page-blog__hero-title {
        font-size: clamp(2rem, 4.5vw, 3.5rem);
    }

    .page-blog__hero-description {
        font-size: clamp(1rem, 1.8vw, 1.3rem);
    }

    .page-blog__post-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .page-blog__category-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .page-blog__section {
        padding: 40px 15px;
    }

    .page-blog__hero-section {
        padding: 10px 0 40px 0;
        min-height: 400px;
    }

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

    .page-blog__hero-title {
        font-size: clamp(1.8rem, 6vw, 2.8rem);
        margin-bottom: 15px;
    }

    .page-blog__hero-description {
        font-size: clamp(0.95rem, 3vw, 1.2rem);
        margin-bottom: 25px;
    }

    .page-blog__btn-primary,
    .page-blog__btn-secondary {
        padding: 12px 25px;
        font-size: 0.95rem;
        margin-left: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-blog__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-blog__post-grid {
        grid-template-columns: 1fr;
    }

    .page-blog__category-grid {
        grid-template-columns: 1fr;
    }

    .page-blog__section-title {
        font-size: clamp(1.8rem, 5vw, 2.5rem);
        margin-bottom: 15px;
    }

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

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

    .page-blog__cta-section {
        padding: 60px 15px;
    }

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

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

    .page-blog__faq-answer {
        padding: 15px 20px;
        font-size: 0.95rem;
    }

    /* Ensure all images are responsive and do not overflow */
    .page-blog img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    .page-blog__section,
    .page-blog__card,
    .page-blog__container,
    .page-blog__post-image-wrapper,
    .page-blog__hero-image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-blog__hero-section {
        padding-left: 0 !important;
        padding-right: 0 !important;
    }

    .page-blog__post-card {
        margin: 0 auto;
    }

    .page-blog__about-blog .page-blog__btn-secondary {
        width: 100%;
        max-width: 100%;
    }

}

@media (max-width: 480px) {
    .page-blog__hero-title {
        font-size: clamp(1.5rem, 8vw, 2.5rem);
    }

    .page-blog__hero-description {
        font-size: clamp(0.85rem, 4vw, 1.1rem);
    }

    .page-blog__btn-primary,
    .page-blog__btn-secondary {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .page-blog__faq-question {
        font-size: 0.95rem;
    }

    .page-blog__faq-answer {
        font-size: 0.9rem;
    }
}