/* --- Global Styles & Variables --- */
        * { 
            margin: 0; 
            padding: 0; 
            box-sizing: border-box; 
        }

        :root {
            --bg-primary: #0a0a0a;
            --bg-secondary: #111111;
            --text-primary: #ffffff;
            --text-secondary: #a3a3a3;
            --accent: #6366f1;
            --accent-hover: #818cf8;
            --card-bg: rgba(255, 255, 255, 0.03);
            --card-border: rgba(255, 255, 255, 0.08);
        }

        @media (prefers-color-scheme: light) {
            :root {
                --bg-primary: #ffffff;
                --bg-secondary: #f9fafb;
                --text-primary: #111827;
                --text-secondary: #6b7280;
                --card-bg: rgba(0, 0, 0, 0.02);
                --card-border: rgba(0, 0, 0, 0.06);
            }
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Inter', sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            min-height: 100vh;
            line-height: 1.6;
            font-size: 16px;
        }

        .container {
            max-width: 720px;
            margin: 0 auto;
            padding: 60px 20px;
        }

        /* --- Navigation Bar --- */
        .main-nav {
            position: sticky;
            top: 0;
            z-index: 10;
            background: rgba(17, 17, 17, 0.8);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--card-border);
            width: 100%;
            padding: 16px 0;
        }

        .nav-container {
            max-width: 720px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: center;
            gap: 32px;
        }
        
        .main-nav a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s ease;
            position: relative;
            padding: 4px 0;
        }

        .main-nav a:hover {
            color: var(--text-primary);
        }
        
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: center;
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .main-nav a:hover::after {
            transform: scaleX(1);
        }

        @media (prefers-color-scheme: light) {
            .main-nav {
                background: rgba(255, 255, 255, 0.8);
            }
        }
        
        /* --- Article Styles --- */
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .article-header h1 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .article-header .hook {
            font-size: 1.125rem;
            color: var(--text-secondary);
            max-width: 550px;
            margin: 0 auto;
        }

        .article-content {
            line-height: 1.8;
        }
        
        .article-content h2 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-top: 40px;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--card-border);
        }
        
        .article-content h2:first-of-type {
             margin-top: 0;
        }

        .article-content p, .article-content li {
            color: var(--text-secondary);
            margin-bottom: 16px;
        }

        .article-content ul, .article-content ol {
            padding-left: 20px;
        }
        
        .article-content a {
            color: var(--accent);
            text-decoration: none;
        }

        .article-content a:hover {
            text-decoration: underline;
        }

        .article-content strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        /* --- CTA Box --- */
        .cta-box {
            text-align: center;
            padding: 30px;
            margin: 40px 0;
            background-color: var(--card-bg);
            border: 1px solid var(--card-border);
            border-radius: 8px;
        }

        .project-link {
            display: inline-block;
            background-color: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
            padding: 12px 24px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.2s ease, color 0.2s ease;
        }

        .project-link:hover {
            background-color: var(--accent);
            color: #ffffff;
        }
        
        /* --- Full Width Visual Section --- */
        .full-width-visual-section {
            width: 100%;
            margin: 40px 0;
            display: flex;
            justify-content: center;
        }

        .full-width-visual-section img {
            max-width: 1000px;
            width: 90%;
            border-radius: 8px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            border: 1px solid var(--card-border);
        }

        footer {
            margin-top: 80px;
            padding-top: 40px;
            border-top: 1px solid var(--card-border);
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.875rem;
        }