/* style/blog.css */

/* Biến màu sắc */
: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 {
    font-family: Arial, sans-serif;
    color: var(--page-blog-text-main); /* Mặc định cho toàn bộ trang */
    background-color: var(--page-blog-background);
}

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

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

.page-blog__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    filter: brightness(0.6); /* Làm tối ảnh nền để chữ nổi bật */
}

.page-blog__hero-content {
    position: relative;
    margin-top: -150px; /* Di chuyển nội dung lên trên ảnh */
    padding: 0 20px;
    max-width: 800px;
    z-index: 2;
}

.page-blog__main-title {
    font-size: 2.8em;
    font-weight: bold;
    line-height: 1.2;
    color: var(--page-blog-text-main);
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-blog__hero-description {
    font-size: 1.2em;
    color: var(--page-blog-text-secondary);
    margin-bottom: 30px;
    line-height: 1.5;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__cta-button {
    display: inline-block;
    background: var(--page-blog-button-gradient);
    color: #ffffff;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-blog__cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Latest Articles Section */
.page-blog__latest-articles-section {
    padding: 60px 0;
    background-color: var(--page-blog-background);
}

.page-blog__section-title {
    font-size: 2.2em;
    color: var(--page-blog-text-main);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

.page-blog__article-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: 12px;
    overflow: hidden;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.page-blog__article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-blog__article-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    display: block;
}

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

.page-blog__article-title {
    font-size: 1.5em;
    font-weight: bold;
    margin-bottom: 10px;
    line-height: 1.3;
}

.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-glow-color);
}

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

.page-blog__article-excerpt {
    font-size: 1em;
    color: var(--page-blog-text-secondary);
    line-height: 1.6;
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-blog__read-more-button {
    display: inline-block;
    background: var(--page-blog-primary-color);
    color: #ffffff;
    padding: 10px 20px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    font-size: 0.95em;
    align-self: flex-start;
    transition: background 0.3s ease;
}

.page-blog__read-more-button:hover {
    background: var(--page-blog-secondary-color);
}

/* Content Area (Deep Dive Sections) */
.page-blog__content-area {
    padding: 60px 0;
    background-color: var(--page-blog-deep-green);
    color: var(--page-blog-text-main);
}

.page-blog__sub-title {
    font-size: 1.8em;
    font-weight: bold;
    color: var(--page-blog-text-main);
    margin-top: 40px;
    margin-bottom: 20px;
}

.page-blog__text-block {
    font-size: 1.05em;
    line-height: 1.7;
    margin-bottom: 25px;
    color: var(--page-blog-text-secondary);
}

.page-blog__feature-list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 30px;
}

.page-blog__feature-item {
    position: relative;
    padding-left: 30px;
    margin-bottom: 15px;
    font-size: 1.05em;
    line-height: 1.6;
    color: var(--page-blog-text-secondary);
}

.page-blog__feature-item::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: var(--page-blog-glow-color);
    font-size: 1.2em;
    top: 0;
}

/* CTA Section */
.page-blog__cta-section {
    padding: 80px 0;
    background-color: var(--page-blog-background);
    text-align: center;
    border-top: 1px solid var(--page-blog-divider-color);
}

.page-blog__cta-description {
    font-size: 1.3em;
    color: var(--page-blog-text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog__button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow wrapping on small screens */
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
    display: inline-block;
    padding: 18px 35px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.2em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

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

.page-blog__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-blog__btn-secondary:hover {
    background: var(--page-blog-glow-color);
    color: var(--page-blog-deep-green);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* FAQ Section */
.page-blog__faq-section {
    padding: 60px 0 80px;
    background-color: var(--page-blog-background);
    border-top: 1px solid var(--page-blog-divider-color);
}

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

.page-blog__faq-item {
    background-color: var(--page-blog-card-bg);
    border: 1px solid var(--page-blog-border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-blog__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--page-blog-text-main);
    cursor: pointer;
    outline: none;
    transition: background-color 0.3s ease;
}

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

.page-blog__faq-item summary:hover {
    background-color: rgba(var(--page-blog-primary-color), 0.1);
}

.page-blog__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

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

.page-blog__faq-toggle {
    font-size: 1.5em;
    margin-left: 20px;
    color: var(--page-blog-glow-color);
    transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.05em;
    color: var(--page-blog-text-secondary);
    line-height: 1.6;
    animation: fadein 0.3s ease-out;
}

@keyframes fadein {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-blog__main-title {
        font-size: 2.5em;
    }

    .page-blog__hero-description {
        font-size: 1.1em;
    }

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

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

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

    .page-blog__hero-content {
        margin-top: -100px;
    }

    .page-blog__main-title {
        font-size: 2em !important;
        margin-bottom: 15px;
    }

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

    .page-blog__cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-blog__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-blog__article-image {
        height: 180px;
    }

    .page-blog__article-title {
        font-size: 1.3em;
    }

    .page-blog__article-excerpt {
        font-size: 0.95em;
    }

    .page-blog__read-more-button {
        padding: 8px 15px;
        font-size: 0.9em;
    }

    .page-blog__content-area {
        padding: 40px 0;
    }

    .page-blog__sub-title {
        font-size: 1.6em;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    .page-blog__text-block, .page-blog__feature-item {
        font-size: 1em;
    }

    .page-blog__cta-section {
        padding: 60px 0;
    }

    .page-blog__cta-description {
        font-size: 1.1em;
        margin-bottom: 30px;
    }

    .page-blog__button-group {
        flex-direction: column;
        gap: 15px;
    }

    .page-blog__btn-primary,
    .page-blog__btn-secondary {
        padding: 15px 25px;
        font-size: 1.1em;
        width: 100% !important;
        max-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-section {
        padding: 40px 0 60px;
    }

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

    .page-blog__faq-answer {
        padding: 0 20px 15px;
        font-size: 0.95em;
    }

    /* Mobile image and container responsiveness */
    .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__hero-section,
    .page-blog__latest-articles-section,
    .page-blog__content-area,
    .page-blog__cta-section,
    .page-blog__faq-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow-x: hidden;
    }
}

@media (max-width: 480px) {
    .page-blog__main-title {
        font-size: 1.8em !important;
    }

    .page-blog__section-title {
        font-size: 1.6em;
    }

    .page-blog__article-card {
        margin-bottom: 20px;
    }

    .page-blog__article-grid {
        gap: 20px;
    }

    .page-blog__hero-content {
        margin-top: -80px;
    }
}