:root {
    --primary-color: #2F6BFF;
    --secondary-color: #6FA3FF;
    --card-bg: #FFFFFF;
    --page-bg: #F4F7FB; /* Assuming this is the body background from shared.css */
    --text-main: #1F2D3D;
    --text-black: #000000;
    --border-color: #D6E2FF;
    --glow-color: #A5C4FF;
    --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
}

.page-tin-tuc {
    font-family: Arial, sans-serif;
    color: var(--text-main); /* Default text color for light background */
    background-color: var(--page-bg); /* Match assumed body background */
}

/* Hero Section / Main Title Section */
.page-tin-tuc__hero-section {
    padding-top: 10px; /* Small top padding, assuming body has header offset */
    padding-bottom: 40px;
    background-color: var(--page-bg);
}

.page-tin-tuc__container {
    max-width: 1170px;
    margin: 0 auto;
    padding: 0 16px;
}

.page-tin-tuc__hero-content {
    text-align: center;
    padding: 40px 0;
}

.page-tin-tuc__main-title {
    font-size: 42px;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    line-height: 1.2;
}

.page-tin-tuc__description {
    font-size: 18px;
    color: var(--text-main);
    line-height: 1.6;
    max-width: 800px;
    margin: 0 auto;
}

/* Section Titles */
.page-tin-tuc__section-title {
    font-size: 36px;
    font-weight: 700;
    color: var(--text-black);
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.3;
}

/* News List Section */
.page-tin-tuc__news-list-section {
    padding: 60px 0;
    background-color: var(--card-bg); /* Different background for contrast */
}

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

.page-tin-tuc__news-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-tin-tuc__news-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-tin-tuc__news-card-image {
    width: 100%;
    height: 220px; /* Fixed height for consistency */
    overflow: hidden;
}

.page-tin-tuc__news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.page-tin-tuc__news-card:hover .page-tin-tuc__news-card-image img {
    transform: scale(1.05);
}

.page-tin-tuc__news-card-content {
    padding: 20px;
}

.page-tin-tuc__news-date {
    display: block;
    font-size: 14px;
    color: var(--secondary-color);
    margin-bottom: 10px;
}

.page-tin-tuc__news-title {
    font-size: 22px;
    font-weight: 600;
    line-height: 1.4;
    margin-bottom: 15px;
}

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

.page-tin-tuc__news-title a:hover {
    color: var(--primary-color);
}

.page-tin-tuc__news-excerpt {
    font-size: 16px;
    color: var(--text-main);
    line-height: 1.6;
    margin-bottom: 20px;
}

.page-tin-tuc__read-more-btn {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--primary-color);
    color: #FFFFFF;
    text-decoration: none;
    border-radius: 5px;
    font-size: 15px;
    transition: background-color 0.3s ease;
}

.page-tin-tuc__read-more-btn:hover {
    background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%); /* Slightly darker gradient */
}

.page-tin-tuc__view-all {
    text-align: center;
    margin-top: 40px;
}

/* Call to Action Section */
.page-tin-tuc__cta-section {
    padding: 80px 0;
    background: var(--button-gradient); /* Use button gradient as background */
    text-align: center;
    color: #FFFFFF; /* White text for dark background */
}

.page-tin-tuc__cta-section .page-tin-tuc__section-title {
    color: #FFFFFF;
    margin-bottom: 20px;
}

.page-tin-tuc__cta-section .page-tin-tuc__description {
    color: #F0F8FF; /* Slightly off-white for description */
    margin-bottom: 40px;
}

.page-tin-tuc__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-tin-tuc__btn-primary,
.page-tin-tuc__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    box-sizing: border-box; /* Include padding in width */
    max-width: 100%; /* Ensure button doesn't overflow */
}

.page-tin-tuc__btn-primary {
    background: var(--button-gradient);
    color: #FFFFFF;
    border: 2px solid transparent;
}

.page-tin-tuc__btn-primary:hover {
    background: linear-gradient(180deg, #2F6BFF 0%, #4A8BFF 100%); /* Slightly darker gradient on hover */
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.page-tin-tuc__btn-secondary {
    background-color: #FFFFFF;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.page-tin-tuc__btn-secondary:hover {
    background-color: var(--primary-color);
    color: #FFFFFF;
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

/* General image responsive styles */
.page-tin-tuc img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    /* 1. HERO / Main Title Section */
    .page-tin-tuc__hero-section {
        padding-top: 10px !important; /* Ensure small top padding */
        padding-bottom: 30px;
    }

    .page-tin-tuc__main-title {
        font-size: 32px;
        margin-bottom: 10px;
    }

    .page-tin-tuc__description {
        font-size: 16px;
        padding: 0 15px; /* Add padding to prevent text from touching edges */
    }

    /* 2. No Module 1 with circular images in this news page */

    /* 3. News Listing Section */
    .page-tin-tuc__section-title {
        font-size: 28px;
        margin-bottom: 30px;
        padding: 0 15px;
    }

    .page-tin-tuc__news-grid {
        grid-template-columns: 1fr; /* Single column layout */
        gap: 20px;
        padding: 0 15px;
    }

    .page-tin-tuc__news-card-image {
        height: 180px; /* Adjust height for mobile */
    }

    .page-tin-tuc__news-title {
        font-size: 20px;
        margin-bottom: 10px;
    }

    .page-tin-tuc__news-excerpt {
        font-size: 15px;
        margin-bottom: 15px;
    }

    .page-tin-tuc__read-more-btn {
        width: 100%;
        text-align: center;
        padding: 10px 15px;
    }

    .page-tin-tuc__view-all {
        padding: 0 15px;
    }

    /* 4. General Content Sections */
    .page-tin-tuc__news-list-section,
    .page-tin-tuc__cta-section {
        padding: 40px 0;
    }

    /* 5. Generic Images and Containers */
    .page-tin-tuc img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    
    .page-tin-tuc__container {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* 6. Buttons and Button Containers */
    .page-tin-tuc__btn-primary,
    .page-tin-tuc__btn-secondary,
    .page-tin-tuc a[class*="button"],
    .page-tin-tuc 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-tin-tuc__cta-buttons {
        flex-direction: column; /* Stack buttons vertically */
        gap: 15px;
        padding: 0 15px;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }
}