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

:root {
    --ae555-primary-color: #11A84E;
    --ae555-secondary-color: #22C768;
    --ae555-card-bg: #11271B;
    --ae555-background-color: #08160F;
    --ae555-text-main: #F2FFF6;
    --ae555-text-secondary: #A7D9B8;
    --ae555-border-color: #2E7A4E;
    --ae555-glow-color: #57E38D;
    --ae555-gold-color: #F2C14E;
    --ae555-divider-color: #1E3A2A;
    --ae555-deep-green-color: #0A4B2C;
    --ae555-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-blog {
    font-family: Arial, sans-serif;
    color: var(--ae555-text-main); /* Mặc định chữ sáng trên nền tối */
    background-color: var(--ae555-background-color);
    line-height: 1.6;
}

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

.page-blog__section-title {
    font-size: 2.5em;
    font-weight: 700;
    color: var(--ae555-text-main);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 15px;
}

.page-blog__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--ae555-button-gradient);
    border-radius: 2px;
}

.page-blog__text-block {
    margin-bottom: 20px;
    color: var(--ae555-text-secondary);
    font-size: 1.1em;
}

.page-blog__dark-section {
    background-color: var(--ae555-deep-green-color);
    color: var(--ae555-text-main);
}

.page-blog__card {
    background-color: var(--ae555-card-bg);
    border: 1px solid var(--ae555-border-color);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--ae555-text-main);
}

.page-blog__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__card-image {
    width: 100%;
    height: 250px; /* Chiều cao cố định cho hình ảnh thẻ */
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 15px;
}

.page-blog__card-title {
    font-size: 1.4em;
    font-weight: 600;
    margin-bottom: 10px;
}

.page-blog__card-title a {
    color: var(--ae555-text-main);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog__card-title a:hover {
    color: var(--ae555-secondary-color);
}

.page-blog__card-meta {
    font-size: 0.9em;
    color: var(--ae555-text-secondary);
    margin-bottom: 10px;
}

.page-blog__card-description {
    font-size: 1em;
    color: var(--ae555-text-secondary);
    margin-bottom: 15px;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    white-space: normal; /* Cho phép văn bản xuống dòng */
    word-wrap: break-word; /* Ngắt từ nếu cần */
    box-sizing: border-box;
}

.page-blog__btn-primary {
    background: var(--ae555-button-gradient);
    color: #ffffff;
    border: none;
}

.page-blog__btn-primary:hover {
    box-shadow: 0 0 15px var(--ae555-glow-color);
    transform: translateY(-2px);
}

.page-blog__btn-secondary {
    background: transparent;
    color: var(--ae555-secondary-color);
    border: 2px solid var(--ae555-secondary-color);
}

.page-blog__btn-secondary:hover {
    background: var(--ae555-secondary-color);
    color: var(--ae555-card-bg);
}

/* HERO Section */
.page-blog__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ hơn để body padding-top xử lý chính */
    text-align: center;
    overflow: hidden;
    min-height: 500px;
}

.page-blog__hero-image-wrapper {
    width: 100%;
    position: relative;
    z-index: 1;
    margin-bottom: 30px; /* Khoảng cách giữa ảnh và nội dung */
}

.page-blog__hero-image {
    width: 100%;
    height: auto;
    max-height: 550px;
    object-fit: cover;
    border-radius: 8px;
}

.page-blog__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    margin: 0 auto;
}

.page-blog__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em); /* Sử dụng clamp để kiểm soát kích thước H1 */
    font-weight: 800;
    color: var(--ae555-gold-color);
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

.page-blog__hero-description {
    font-size: 1.3em;
    color: var(--ae555-text-main);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Introduction Section */
.page-blog__introduction-section {
    padding: 60px 0;
    background-color: var(--ae555-background-color);
}

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

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

.page-blog__view-all {
    text-align: center;
    margin-top: 20px;
}

/* Categories Section */
.page-blog__categories-section {
    padding: 60px 0;
    background-color: var(--ae555-background-color);
}

.page-blog__category-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.page-blog__category-card .page-blog__card-image {
    height: 200px;
}

/* Why Choose Us Section */
.page-blog__why-choose-us {
    padding: 60px 0;
}

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

.page-blog__feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.page-blog__feature-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 15px;
    filter: drop-shadow(0 0 5px var(--ae555-glow-color));
}

.page-blog__feature-title {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--ae555-gold-color);
    margin-bottom: 10px;
}

.page-blog__feature-description {
    font-size: 0.95em;
    color: var(--ae555-text-secondary);
}

/* Registration Guide Section */
.page-blog__registration-guide {
    padding: 60px 0;
    background-color: var(--ae555-background-color);
}

.page-blog__step-list {
    list-style: none;
    padding: 0;
    margin: 30px 0;
}

.page-blog__step-list li {
    background-color: var(--ae555-card-bg);
    border-left: 5px solid var(--ae555-primary-color);
    padding: 20px;
    margin-bottom: 15px;
    border-radius: 8px;
    font-size: 1.1em;
    color: var(--ae555-text-main);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-blog__step-list li strong {
    color: var(--ae555-gold-color);
}

.page-blog__registration-guide .page-blog__btn-primary {
    margin-top: 30px;
    width: auto;
    display: block;
    margin-left: auto;
    margin-right: auto;
    max-width: 300px;
}

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

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

.page-blog__faq-item {
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    background-color: var(--ae555-card-bg);
}

.page-blog__faq-item summary {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.2em;
    font-weight: 600;
    color: var(--ae555-text-main);
    cursor: pointer;
    background-color: var(--ae555-card-bg);
    border-bottom: 1px solid var(--ae555-divider-color);
    list-style: none;
}

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

.page-blog__faq-item[open] summary {
    border-bottom: 1px solid var(--ae555-primary-color);
}

.page-blog__faq-question .page-blog__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: var(--ae555-secondary-color);
    transition: transform 0.3s ease;
}

.page-blog__faq-item[open] .page-blog__faq-question .page-blog__faq-toggle {
    transform: rotate(45deg);
    color: var(--ae555-gold-color);
}

.page-blog__faq-answer {
    padding: 15px 25px 20px;
    font-size: 1em;
    color: var(--ae555-text-secondary);
    background-color: var(--ae555-card-bg);
}

/* Conclusion Section */
.page-blog__conclusion-section {
    padding: 60px 0;
    background-color: var(--ae555-background-color);
    text-align: center;
}

.page-blog__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 40px;
    flex-wrap: wrap; /* Cho phép các nút xuống dòng trên di động */
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-blog__hero-description {
        font-size: 1.2em;
    }
}

@media (max-width: 768px) {
    .page-blog__container {
        padding: 0 15px;
    }

    .page-blog__section-title {
        font-size: 2em;
        margin-bottom: 30px;
    }

    .page-blog__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important; /* Đảm bảo khoảng cách nhỏ */
    }

    .page-blog__hero-image {
        max-height: 300px;
    }

    .page-blog__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
        margin-bottom: 15px;
    }

    .page-blog__hero-description {
        font-size: 1em;
        margin-bottom: 25px;
    }

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

    .page-blog__card-image {
        height: 200px;
    }

    .page-blog__card-title {
        font-size: 1.2em;
    }

    .page-blog__faq-item summary {
        font-size: 1.1em;
        padding: 15px 20px;
    }

    .page-blog__faq-answer {
        padding: 10px 20px 15px;
    }

    .page-blog__btn-primary,
    .page-blog__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding: 12px 15px;
        margin-bottom: 10px; /* Thêm khoảng cách giữa các nút */
    }
    
    .page-blog__cta-buttons {
        flex-direction: column; /* Xếp chồng các nút trên di động */
        gap: 10px; /* Khoảng cách giữa các nút */
        padding: 0 15px; /* Đảm bảo nút không tràn */
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* Hình ảnh và video responsive */
    .page-blog img {
        max-width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-blog__section,
    .page-blog__card,
    .page-blog__container,
    .page-blog__hero-section,
    .page-blog__post-card,
    .page-blog__category-card,
    .page-blog__feature-item,
    .page-blog__faq-item,
    .page-blog__cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-blog__hero-section.page-blog__dark-section {
        padding-left: 0;
        padding-right: 0;
    }
    .page-blog__hero-content {
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-blog__hero-image-wrapper {
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-blog__registration-guide .page-blog__btn-primary {
        max-width: 100%;
    }
}