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

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

.page-news {
    color: var(--color-text-main); /* Đảm bảo màu chữ sáng trên nền tối của body */
    background-color: var(--color-background);
}

.page-news__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 10px; /* Chỉ một khoảng cách nhỏ từ header */
    background-color: var(--color-background);
    overflow: hidden;
}

.page-news__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    max-height: 70vh; /* Giới hạn chiều cao để không chiếm quá nhiều màn hình */
}

.page-news__hero-content {
    text-align: center;
    padding: 40px 20px;
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
    color: var(--color-text-main);
}

.page-news__main-title {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--color-text-main);
    margin-bottom: 20px;
    max-width: 100%;
    font-size: clamp(2rem, 5vw, 3.5rem); /* Sử dụng clamp để điều chỉnh kích thước */
}

.page-news__description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

.page-news__btn-primary,
.page-news__btn-secondary {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    box-sizing: border-box;
    max-width: 100%;
    width: auto; /* Mặc định tự động chiều rộng */
}

.page-news__btn-primary {
    background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
    color: #ffffff; /* Luôn là màu trắng trên nền nút */
    border: none;
    box-shadow: 0 4px 15px rgba(var(--color-button-gradient-end), 0.4);
}

.page-news__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(var(--color-button-gradient-end), 0.6);
}

.page-news__btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    margin-left: 20px;
}

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

.page-news__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-news__section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-main);
    text-align: center;
    margin-bottom: 50px;
    padding-top: 40px;
}

.page-news__featured-articles,
.page-news__latest-updates,
.page-news__why-stay-updated,
.page-news__faq-section,
.page-news__cta-section {
    padding: 60px 0;
    background-color: var(--color-background);
}

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

.page-news__article-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    color: var(--color-text-main);
}

.page-news__article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.3);
}

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

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

.page-news__card-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

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

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

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

.page-news__read-more {
    color: var(--color-secondary);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
    align-self: flex-start;
}

.page-news__read-more:hover {
    color: var(--color-glow);
    text-decoration: underline;
}

.page-news__cta-buttons {
    text-align: center;
    margin-top: 50px;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.page-news__update-list {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.page-news__update-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-news__update-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-news__update-meta {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-bottom: 10px;
}

.page-news__update-category {
    background-color: var(--color-deep-green);
    padding: 5px 10px;
    border-radius: 5px;
    font-weight: 500;
    color: var(--color-text-main);
}

.page-news__update-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    line-height: 1.4;
}

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

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

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

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

.page-news__reason-card {
    background-color: var(--color-card-bg);
    border-radius: 12px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-text-main);
}

.page-news__reason-icon {
    width: 100px;
    height: 100px;
    object-fit: contain;
    margin-bottom: 20px;
    border-radius: 8px; /* Đảm bảo hình ảnh lớn hơn 200x200 */
}

.page-news__reason-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--color-text-main);
}

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

.page-news__faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-news__faq-item {
    background-color: var(--color-card-bg);
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    color: var(--color-text-main);
}

.page-news__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    color: var(--color-text-main);
    background-color: var(--color-card-bg);
    border-bottom: 1px solid var(--color-divider);
}

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

.page-news__faq-item:last-child .page-news__faq-question {
    border-bottom: none;
}

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

.page-news__faq-toggle {
    font-size: 1.5rem;
    font-weight: 700;
    margin-left: 15px;
    color: var(--color-secondary);
}

.page-news__faq-item[open] .page-news__faq-toggle {
    color: var(--color-glow);
}

.page-news__faq-answer {
    padding: 15px 25px 20px;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.page-news__faq-answer p {
    margin: 0;
}

/* Ẩn marker mặc định của details */
details > summary {
    list-style: none;
}
details > summary::-webkit-details-marker {
    display: none;
}

/* Responsive styles */
@media (max-width: 1024px) {
    .page-news__hero-content {
        padding: 30px 15px;
    }

    .page-news__main-title {
        font-size: clamp(1.8rem, 4.5vw, 3rem);
    }

    .page-news__section-title {
        font-size: 2rem;
        margin-bottom: 40px;
    }

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

@media (max-width: 768px) {
    .page-news__hero-section {
        padding: 5px 0;
    }

    .page-news__hero-image {
        max-height: 50vh;
    }

    .page-news__main-title {
        font-size: clamp(1.5rem, 6vw, 2.5rem);
        margin-bottom: 15px;
    }

    .page-news__description {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .page-news__btn-primary,
    .page-news__btn-secondary {
        padding: 12px 20px;
        font-size: 0.9rem;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin: 0 0 10px 0 !important; /* Xóa margin-left và thêm margin-bottom */
    }

    .page-news__cta-buttons {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

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

    .page-news__featured-articles,
    .page-news__latest-updates,
    .page-news__why-stay-updated,
    .page-news__faq-section,
    .page-news__cta-section {
        padding: 40px 0;
    }

    .page-news__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
        padding-top: 20px;
    }

    .page-news__articles-grid,
    .page-news__reason-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

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

    .page-news__card-title {
        font-size: 1.3rem;
    }

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

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

    /* Force image responsiveness on mobile */
    .page-news img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-news__section,
    .page-news__card,
    .page-news__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-news__hero-section {
        padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
    }
}

@media (max-width: 480px) {
    .page-news__main-title {
        font-size: clamp(1.2rem, 8vw, 2rem);
    }
    .page-news__section-title {
        font-size: 1.5rem;
    }
    .page-news__card-content,
    .page-news__update-item,
    .page-news__reason-card,
    .page-news__faq-item {
        padding: 15px;
    }
    .page-news__faq-question {
        font-size: 0.95rem;
    }
}