* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            color: #333;
            display: flex; /* For sticky footer */
            flex-direction: column; /* For sticky footer */
            min-height: 100vh; /* For sticky footer */
        }
        
        main { /* Wrapper for page content to help with sticky footer */
            flex-grow: 1;
        }

        .header {
            background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .nav-container {
            max-width: 1800px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0 2rem;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .brain-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.2);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 1rem; 
        }

        .nav-menu a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 0.5rem 0.7rem; 
            border-radius: 25px;
            transition: all 0.3s ease;
            display: flex; 
            align-items: center;
            gap: 0.3rem; 
            font-size: 0.95rem;
        }

        .nav-menu a .nav-icon {
            font-size: 1.1em;
        }

        .nav-menu a:hover, .nav-menu a.active { /* Style for active link */
            background: rgba(255,255,255,0.2);
            transform: translateY(-2px);
        }
        .nav-menu a.active {
             font-weight: 700; /* Make active link bolder */
        }


        .hero {
            background: linear-gradient(135deg, #1e40af 0%, #3b82f6 50%, #60a5fa 100%);
            color: white;
            padding: 4rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="2" fill="rgba(255,255,255,0.1)"/></svg>') repeat;
            background-size: 50px 50px;
            animation: float 20s infinite linear;
        }

        @keyframes float {
            0% { transform: translateY(0px); }
            100% { transform: translateY(-100px); }
        }

        .hero-content {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 1rem;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            opacity: 0.95;
        }

        .cta-button {
            display: inline-block;
            background: white;
            color: #1e40af;
            padding: 1rem 2rem;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
         .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.3);
        }

        /* --- All other common CSS styles from your previous files go here --- */
        /* --- (This will be a long block, I'll include some key ones and a placeholder) --- */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        .section {
            padding: 4rem 0;
        }

        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 3rem;
            color: #1e40af;
        }

        .tiles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .tile {
            background: white;
            border-radius: 20px;
            padding: 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border: 1px solid #e5e7eb;
            position: relative;
            overflow: hidden;
        }

        .tile::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #3b82f6, #60a5fa);
        }

        .tile:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }

        .tile-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: white;
            margin-bottom: 1.5rem;
        }

        .tile h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #1e40af;
        }

        .tile p {
            color: #6b7280;
            line-height: 1.7;
        }

        /* Stats Section (from index.html, research.html) */
        .stats-section {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
        }
        .stat-tile {
            background: white;
            text-align: center;
            padding: 2.5rem 1.5rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            transition: all 0.3s ease;
        }
        .stat-tile:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 800;
            color: #3b82f6;
            display: block;
        }
        .stat-label {
            font-size: 1.1rem;
            color: #6b7280;
            font-weight: 500;
            margin-top: 0.5rem;
        }

        /* News/Blog Grid Styles (from index.html, blog.html, research.html) */
        .news-grid, .blog-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .news-tile, .blog-post-tile {
            background: white;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }
        .news-tile:hover, .blog-post-tile:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }
        .news-image, .blog-post-image-placeholder {
            height: 200px;
            background: linear-gradient(135deg, #3b82f6, #60a5fa);
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
        }
         .blog-post-image-placeholder .icon { opacity: 0.7; }
        .news-content, .blog-post-content {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date, .blog-post-meta {
            color: #6b7280;
            font-size: 0.9rem;
            margin-bottom: 0.5rem;
        }
        .blog-post-meta .author { font-weight: 600; color: #4b5563;}
        .news-title, .blog-post-title {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: #1e40af;
        }
        .blog-post-title a { color: inherit; text-decoration: none; }
        .blog-post-title a:hover { text-decoration: underline; }
        .news-excerpt, .blog-post-excerpt {
            color: #6b7280;
            line-height: 1.6;
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }
        .read-more-link {
            display: inline-block;
            color: #3b82f6;
            text-decoration: none;
            font-weight: 600;
            transition: color 0.3s ease;
        }
        .read-more-link:hover { color: #1e40af; text-decoration: underline;}

        /* Article Specific Styles (from sample-blog-post.html) */
        .article-container {
            max-width: 800px; 
            margin: 0 auto;
            padding: 2rem 1rem;
            background-color: #fff;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            margin-top: 2rem;
            margin-bottom: 2rem;
            border: 1px solid #e5e7eb;
            overflow: hidden;
        }

        .article-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #3b82f6, #60a5fa);
        }

        .article-container:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.15);
        }
        .article-header { margin-bottom: 2rem; border-bottom: 1px solid #e5e7eb; padding-bottom: 1.5rem; }
        .article-title { font-size: 2.8rem; font-weight: 700; color: #1e40af; line-height: 1.2; margin-bottom: 0.5rem; }
        .article-meta { font-size: 0.95rem; color: #6b7280; }
        .article-meta .author { font-weight: 600; }
        .article-meta .date { margin-left: 0.5rem; }
        .article-meta .category { margin-left: 0.5rem; background-color: #e0e7ff; color: #3730a3; padding: 0.2rem 0.5rem; border-radius: 12px; font-size: 0.8rem; }
        .article-content { font-size: 1.1rem; line-height: 1.8; color: #374151; }
        .article-content h2 { font-size: 1.8rem; font-weight: 600; color: #1e40af; margin-top: 2.5rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 2px solid #60a5fa; }
        .article-content h3 { font-size: 1.5rem; font-weight: 600; color: #1d4ed8; margin-top: 2rem; margin-bottom: 0.75rem; }
        .article-content h4 { font-size: 1.2rem; font-weight: 600; color: #1d4ed8; margin-top: 1.5rem; margin-bottom: 0.5rem; }
        .article-content p { margin-bottom: 1.5rem; }
        .article-content ul, .article-content ol { margin-bottom: 1.5rem; padding-left: 2rem; }
        .article-content li { margin-bottom: 0.5rem; }
        .article-content blockquote { border-left: 4px solid #3b82f6; padding-left: 1.5rem; margin: 1.5rem 0; font-style: italic; color: #4b5563; }
        .article-content a { color: #3b82f6; text-decoration: none; }
        .article-content a:hover { text-decoration: underline; }
        .article-content img { max-width: 100%; height: auto; border-radius: 8px; margin: 1.5rem 0; box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
        .back-to-blog { display: inline-block; margin-top: 2rem; margin-bottom: 1rem; padding: 0.75rem 1.5rem; background-color: #3b82f6; color: white; text-decoration: none; border-radius: 25px; font-weight: 500; transition: background-color 0.3s ease; }
        .back-to-blog:hover { background-color: #1e40af; }

        /* About Page Specific Styles (from about.html) */
        .about-content { max-width: 900px; margin: 0 auto; background: white; padding: 2.5rem; border-radius: 15px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
        .about-content h3 { font-size: 1.8rem; font-weight: 600; color: #1e40af; margin-top: 2rem; margin-bottom: 1rem; }
        .about-content h3:first-child { margin-top: 0; }
        .about-content p { color: #4b5563; line-height: 1.7; margin-bottom: 1.5rem; }
        .team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 2rem; margin-top: 2rem; }
        .team-member-tile { background: #f8f9fa; border-radius: 10px; padding: 1.5rem; text-align: center; box-shadow: 0 5px 15px rgba(0,0,0,0.05); transition: all 0.3s ease; }
        .team-member-tile:hover { transform: translateY(-5px); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }
        .team-member-tile img { width: 120px; height: 120px; border-radius: 50%; object-fit: cover; margin-bottom: 1rem; border: 3px solid #3b82f6; }
        .team-member-tile h4 { font-size: 1.2rem; color: #1e40af; margin-bottom: 0.25rem; }
        .team-member-tile .role { font-size: 0.95rem; color: #60a5fa; font-weight: 500; }
        
        /* Events Page Specific Styles (from events.html) */
        .secondary-cta-button { display: inline-block; background: transparent; color: #3b82f6; border: 2px solid #3b82f6; padding: 0.7rem 1.4rem; text-decoration: none; border-radius: 50px; font-weight: 600; font-size: 0.95rem; transition: all 0.3s ease; margin-top: 0.5rem; margin-left: 0.5rem; }
        .secondary-cta-button:hover { background: #3b82f6; color: white; }
        .event-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 2.5rem; }
        .event-tile { background: white; border-radius: 15px; overflow: hidden; box-shadow: 0 8px 25px rgba(0,0,0,0.1); transition: all 0.3s ease; display: flex; flex-direction: column; border-left: 5px solid #3b82f6; }
        .event-tile:hover { transform: translateY(-5px); box-shadow: 0 15px 35px rgba(0,0,0,0.15); border-left-color: #1e3a8a; }
        .event-tile.past-event { border-left-color: #9ca3af; opacity: 0.85; }

        .footer {
            background: #1f2937; /* Dark background for footer */
            color: #d1d5db; /* Lighter text for contrast */
            padding: 3rem 0 1rem 0; /* More padding */
            margin-top: auto; /* Pushes footer to the bottom */
            font-size: 0.95rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid #374151;
        }

        .footer-section h4 {
            font-size: 1.2rem;
            font-weight: 600;
            color: #e5e7eb; /* Brighter headings */
            margin-bottom: 1rem;
        }

        .footer-section p, .footer-section a {
            color: #9ca3af; /* Softer text color */
            text-decoration: none;
            line-height: 1.8;
        }

        .footer-section a:hover {
            color: #60a5fa; /* Highlight color on hover */
            text-decoration: underline;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 1.5rem;
            font-size: 0.9rem;
            color: #9ca3af;
        }

        @media (max-width: 768px) {
            .nav-menu { display: none; } /* Basic responsive improvement */
            .hero h1 { font-size: 2.5rem; }
            .section-title { font-size: 2rem; }
            .article-title { font-size: 2rem; }
            .article-content h2 { font-size: 1.5rem; }
            .article-content h3 { font-size: 1.3rem; }
            .article-container { margin-top: 1rem; margin-bottom: 1rem; padding: 1.5rem 0.75rem; }
            .about-content { padding: 1.5rem; }
        }