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

        body {
            background: #000000;
            font-family: 'JetBrains Mono', monospace;
            color: #ffffff;
            min-height: 100vh;
        }

        .header {
            background: #000000;
            border-bottom: 1px solid #ffffff;
            color: #ffffff;
            padding: 80px 0;
            text-align: center;
            margin-bottom: 40px;
        }

        .header h1 {
            font-size: 3.5rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .header p {
            font-size: 1.4rem;
            color: #ffffff;
        }

        .contributor-card {
            background: #000000;
            border: 1px solid #ffffff;
            padding: 2rem 1.5rem;
            margin-bottom: 1rem;
            text-align: center;
        }

        .contributor-card:hover {
            background: #ffffff;
            color: #000000;
        }

        .contributor-card h3 {
            color: inherit;
            font-weight: 700;
            margin-bottom: 15px;
            font-size: 2rem;
            text-transform: uppercase;
        }

        .contributor-card p {
            color: inherit;
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .rank-badge {
            display: inline-block;
            background: inherit;
            border: 1px solid #ffffff;
            color: inherit;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 10px;
        }

        .contributor-card:hover .rank-badge {
            border-color: #000000;
        }

        .security-type {
            display: inline-block;
            background: inherit;
            border: 1px solid #ffffff;
            color: inherit;
            padding: 4px 12px;
            font-size: 0.8rem;
            font-weight: 500;
            text-transform: uppercase;
        }

        .contributor-card:hover .security-type {
            border-color: #000000;
        }

        .call-to-action {
            text-align: center;
            margin: 3rem 0;
            padding: 2rem;
            border: 1px solid #ffffff;
        }

        .call-to-action p {
            font-size: 1.2rem;
            color: #ffffff;
            margin-bottom: 2rem;
            text-transform: uppercase;
        }

        .cta-button {
            background: #ffffff;
            color: #000000;
            padding: 15px 30px;
            text-decoration: none;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: 1px solid #ffffff;
            display: inline-block;
        }

        .cta-button:hover {
            background: #000000;
            color: #ffffff;
        }

        /* Responsive adjustments */
        @media (max-width: 768px) {
            .header h1 {
                font-size: 2.5rem;
            }

            .header p {
                font-size: 1.1rem;
            }

            .contributor-card h3 {
                font-size: 1.5rem;
            }

            .contributor-card p {
                font-size: 1rem;
            }
        }