/* EA2NN Static Site CSS */
        :root {
            --primary: #00ff88;
            --primary-glow: rgba(0, 255, 136, 0.3);
            --secondary: #ff6b00;
            --dark-bg: #0a0e14;
            --darker-bg: #050810;
            --panel-bg: #151a24;
            --text: #e6edf3;
            --text-muted: #7d8590;
            --border: #2d3540;
            --accent-blue: #00d9ff;
        }

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

        body {
            font-family: 'Outfit', sans-serif;
            background: var(--dark-bg);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: 
                linear-gradient(rgba(0, 255, 136, 0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(0, 255, 136, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
            z-index: 0;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
        }

        /* Header */
        header {
            padding: 2rem 0;
            border-bottom: 2px solid var(--border);
            background: linear-gradient(to bottom, var(--darker-bg), transparent);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }

        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .callsign {
            font-family: 'JetBrains Mono', monospace;
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            text-shadow: 0 0 20px var(--primary-glow);
            letter-spacing: 0.3rem;
            text-decoration: none;
        }

        .tagline {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.2rem;
        }

        nav ul {
            display: flex;
            gap: 2rem;
            list-style: none;
            font-family: 'JetBrains Mono', monospace;
        }

        nav a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.1rem;
            padding: 0.5rem 1rem;
            border: 1px solid transparent;
            transition: all 0.3s ease;
        }

        nav a:hover {
            color: var(--primary);
            border-color: var(--primary);
        }

        /* Main content */
        main {
            padding: 3rem 0;
            min-height: 60vh;
        }

        .article-single {
            max-width: 900px;
            margin: 0 auto;
            background: var(--panel-bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 3rem;
        }

        .article-header {
            margin-bottom: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border);
        }

        .article-meta {
            display: flex;
            gap: 1.5rem;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 1rem;
        }

        .article-category {
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 0.1rem;
        }

        .article-title {
            font-size: 2.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text);
            line-height: 1.3;
        }

        .article-content {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1.5rem;
        }

        .article-content img {
            max-width: 100%;
            height: auto;
            border-radius: 4px;
            margin: 2rem 0;
            border: 1px solid var(--border);
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--primary);
            margin: 2rem 0 1rem;
            font-family: 'JetBrains Mono', monospace;
        }

        .article-content code {
            background: var(--darker-bg);
            padding: 0.2rem 0.5rem;
            border-radius: 2px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.9em;
            color: var(--primary);
        }

        .article-content pre {
            background: var(--darker-bg);
            padding: 1.5rem;
            border-radius: 4px;
            overflow-x: auto;
            margin: 2rem 0;
            border: 1px solid var(--border);
        }

        .article-content pre code {
            background: none;
            padding: 0;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: none;
            border-bottom: 1px solid var(--primary);
            transition: all 0.3s ease;
        }

        .article-content a:hover {
            color: var(--accent-blue);
            border-color: var(--accent-blue);
        }

        .article-content ul,
        .article-content ol {
            margin-left: 2rem;
            margin-bottom: 1.5rem;
        }

        .article-content li {
            margin-bottom: 0.5rem;
        }

        /* Tags */
        .article-tags {
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border);
        }

        .tags-label {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.15rem;
            margin-bottom: 1rem;
        }

        .tag {
            display: inline-block;
            background: var(--darker-bg);
            color: var(--primary);
            padding: 0.5rem 1rem;
            border-radius: 2px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            border: 1px solid var(--border);
            margin-right: 0.75rem;
            margin-bottom: 0.75rem;
            transition: all 0.3s ease;
        }

        .tag:hover {
            background: var(--primary);
            color: var(--dark-bg);
            border-color: var(--primary);
        }

        /* Footer */
        footer {
            margin-top: 4rem;
            padding: 3rem 0 2rem;
            border-top: 2px solid var(--border);
            background: linear-gradient(to top, var(--darker-bg), transparent);
        }

        .footer-content {
            text-align: center;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-top: 1.5rem;
        }

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--primary);
        }

        /* Articles grid for index pages */
        .articles-grid {
            display: grid;
            gap: 2rem;
        }

        .article-card {
            background: var(--panel-bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            overflow: hidden;
            transition: all 0.4s ease;
            position: relative;
        }

        .article-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--primary);
            transform: scaleY(0);
            transform-origin: bottom;
            transition: transform 0.4s ease;
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateX(8px);
            box-shadow: -8px 8px 30px rgba(0, 0, 0, 0.5);
        }

        .article-card:hover::before {
            transform: scaleY(1);
            transform-origin: top;
        }

        .article-card-content {
            padding: 2rem;
        }

        .article-card h2 {
            font-size: 1.8rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text);
            line-height: 1.3;
        }

        .article-card h2 a {
            color: inherit;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .article-card h2 a:hover {
            color: var(--primary);
        }

        .article-excerpt {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .article-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            color: var(--primary);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.1rem;
            transition: all 0.3s ease;
        }

        .article-link::after {
            content: '→';
            transition: transform 0.3s ease;
        }

        .article-link:hover::after {
            transform: translateX(5px);
        }

        /* Morse effect */
        .morse-effect {
            position: relative;
            overflow: hidden;
        }

        .morse-effect::after {
            content: '·−·· · · ·−·  −− ·− ···';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            padding: 0.5rem;
            background: var(--darker-bg);
            color: var(--primary);
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.75rem;
            text-align: center;
            transform: translateY(100%);
            transition: transform 0.3s ease;
            letter-spacing: 0.2rem;
        }

        .morse-effect:hover::after {
            transform: translateY(0);
        }

        /* Responsive */
        @media (max-width: 768px) {
            .callsign {
                font-size: 2rem;
                letter-spacing: 0.2rem;
            }

            nav ul {
                flex-direction: column;
                gap: 1rem;
            }

            .header-content {
                text-align: center;
                justify-content: center;
            }

            .article-single {
                padding: 1.5rem;
            }

            .article-title {
                font-size: 2rem;
            }
        }