* {
            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: 60px 0;
            text-align: center;
            margin-bottom: 40px;
        }

        .header h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }

        .header p {
            font-size: 1.25rem;
            color: #ffffff;
        }

        .card {
            background: #000000;
            border: 1px solid #ffffff;
            margin-bottom: 2rem;
        }

        .card-title {
            color: #ffffff;
            font-weight: 700;
            margin-bottom: 1.25rem;
            font-size: 1.75rem;
            text-transform: uppercase;
            border-bottom: 1px solid #ffffff;
            padding-bottom: 0.5rem;
        }

        .card-text {
            color: #ffffff;
            line-height: 1.8;
            font-size: 1.1rem;
        }

        a {
            color: #ffffff;
            text-decoration: underline;
        }

        a:hover {
            color: #ffffff;
            text-decoration: none;
        }

        .btn-primary {
            background: #ffffff;
            border: 1px solid #ffffff;
            color: #000000;
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .btn-primary:hover {
            background: #000000;
            color: #ffffff;
            border: 1px solid #ffffff;
        }

        .security-badge {
            display: inline-block;
            background: #000000;
            border: 1px solid #ffffff;
            color: #ffffff;
            padding: 0.5rem 1rem;
            margin: 0.25rem;
            font-weight: 600;
            font-size: 0.9rem;
            text-transform: uppercase;
        }

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

            .header p {
                font-size: 1rem;
            }

            .card-title {
                font-size: 1.5rem;
            }

            .card-text {
                font-size: 1rem;
            }

            .btn-primary {
                padding: 12px 24px;
                font-size: 1rem;
            }
        }