.article-card h3 a,
.article-card p {
  display: block;      /* ensure the link can be justified */
  text-align: justify;
}

        :root {
            --dark-charcoal: #111827;
            --page-bg: #f3f4f6;
            --card-bg-1: #eef2ff; /* Light Indigo */
            --card-bg-2: #f0fdf4; /* Light Green */
            --card-bg-3: #fefce8; /* Light Yellow */
            --card-bg-4: #fdf2f8; /* Light Pink */
        }
        body {
            background-color: var(--page-bg);
            font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, 'Helvetica Neue', Arial, sans-serif;
            color: #333;
            margin: 0;
        }
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .header-block {
            background-color: #fff;
            border-bottom: 2px solid #000;
            padding: 2rem 1rem;
            text-align: center;
        }
        .header-block h1 {
            font-size: 2.8rem;
            font-weight: 900;
            color: #000;
            margin: 0;
            letter-spacing: 1.5px;
        }
        .language-nav {
            margin-top: 1.5rem;
            word-spacing: 0.5rem;
        }
        .language-nav a {
            color: #444;
            font-weight: 600;
            text-decoration: none;
            padding: 0 0.5rem;
            font-size: 1rem;
        }
        
        .content-section {
            padding: 2rem 0;
        }
        .section-title {
            text-align: center;
            font-weight: 700;
            color: var(--dark-charcoal);
            font-size: 2.2rem;
            margin-bottom: 2.5rem;
        }
        
        .article-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .article-card {
            border: 2px solid #000;
            padding: 2rem;
            display: flex;
            flex-direction: column;
        }
        .article-card:nth-child(4n+1) { background-color: var(--card-bg-1); }
        .article-card:nth-child(4n+2) { background-color: var(--card-bg-2); }
        .article-card:nth-child(4n+3) { background-color: var(--card-bg-3); }
        .article-card:nth-child(4n+4) { background-color: var(--card-bg-4); }

        .article-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin: 0 0 0.75rem 0;
        }
        .article-card h3 a { color: #000; text-decoration: none; }
        .article-card p {
            color: #4a5568;
            flex-grow: 1;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        .article-card span {
            font-weight: 600;
            color: #718096;
            font-size: 1.1rem;
        }
        
        .separator-container {
            margin: 1rem auto 3rem auto;
        }
        .section-separator {
            border: 0;
            height: 2px;
            background-color: #000;
        }
        
        .footer {
            background: #000;
            color: #fff;
            padding: 2rem 0;
            text-align: center;
        }
        .footer .social-media a { color: #fff; margin: 0 10px; font-size: 1.5rem; }
        .footer h6 { font-size: 1.2rem; font-weight: bold; }

        @media (max-width: 900px) {
            .article-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 600px) {
            .header-block h1 { font-size: 2rem; }
            .language-nav { word-spacing: 0; }
            .language-nav a { display: inline-block; padding: 0.2rem 0.4rem; }
            .section-title { font-size: 1.8rem; }
        }
/* --- START: UPDATED STYLES FOR KNOWLEDGE BASE --- */

/* This is the main change: using Flexbox for robust responsive behavior */
.knowledge-links {
    display: flex;
    flex-wrap: wrap; /* Allows links to wrap to the next line on small screens */
    justify-content: center; /* Keeps the links centered */
    gap: 1rem; /* Creates consistent spacing between links */
    padding: 1rem 0;
}

.knowledge-link {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    /* margin is no longer needed because we use 'gap' on the parent container */
    border: 2px solid;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    /* Use CSS variable for color */
    border-color: var(--link-color);
    color: var(--link-color);
}

.knowledge-link:hover {
    background-color: var(--link-color);
    color: #fff;
}

/* Color definitions for links (no changes here) */
.knowledge-link.color-red { --link-color: #d9534f; }
.knowledge-link.color-blue { --link-color: #0275d8; }
.knowledge-link.color-green { --link-color: #5cb85c; }

/* --- END: UPDATED STYLES FOR KNOWLEDGE BASE --- */