:root {
            --primary: #00c8ff;
            --primary-dark: #0077ff;
            --dark: #121212;
            --darker: #0a0a0a;
            --light: #e0e0e0;
            --gray: #333333;
        }
        
        body {
            margin: 0;
            padding: 0;
            font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
            background-color: var(--dark);
            color: var(--light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-image: 
                radial-gradient(circle at 25% 25%, rgba(0, 200, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 75% 75%, rgba(0, 119, 255, 0.1) 0%, transparent 50%);
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            flex: 1;
        }
        
        header {
            padding: 30px 0;
            border-bottom: 1px solid var(--gray);
            position: relative;
            overflow: hidden;
        }
        
        header::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--primary), transparent);
            opacity: 0.5;
        }
        
        .logo {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }
        
        .logo h1 {
            font-size: 3.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin: 0;
            position: relative;
        }
        
        .logo h1::after {
            content: '!';
            color: var(--primary);
        }
        
        .subtitle {
            text-align: center;
            color: var(--light);
            opacity: 0.8;
            font-size: 1.2rem;
            margin-top: -10px;
            letter-spacing: 1px;
        }
        
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin: 50px 0;
        }
        
        .card {
            background: var(--darker);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid var(--gray);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
        }
        
        .card::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            z-index: -1;
            background: linear-gradient(45deg, var(--primary), var(--primary-dark), var(--primary));
            background-size: 200% 200%;
            border-radius: 12px;
            opacity: 0;
            transition: 0.5s;
        }
        
        .card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(0, 200, 255, 0.2);
        }
        
        .card:hover::before {
            opacity: 0.3;
            animation: gradient 3s ease infinite;
        }
        
        @keyframes gradient {
            0% { background-position: 0% 50%; }
            50% { background-position: 100% 50%; }
            100% { background-position: 0% 50%; }
        }
        
        .card h3 {
            color: var(--primary);
            margin-top: 0;
            font-size: 1.5rem;
        }
        
        .card p {
            opacity: 0.7;
            font-size: 0.9rem;
            line-height: 1.5;
        }
        
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--darker);
            padding: 12px 25px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: 600;
            margin-top: 15px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(0, 200, 255, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 15px rgba(0, 200, 255, 0.4);
        }
        
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            box-shadow: none;
        }
        
        .btn-outline:hover {
            background: rgba(0, 200, 255, 0.1);
        }
        
        footer {
            text-align: center;
            padding: 30px 0;
            margin-top: 50px;
            border-top: 1px solid var(--gray);
            color: var(--light);
            opacity: 0.6;
            font-size: 0.9rem;
        }
        
        .footer-link {
            color: var(--primary);
            text-decoration: none;
            transition: opacity 0.3s;
        }
        
        .footer-link:hover {
            opacity: 0.8;
            text-decoration: underline;
        }
        
        .pulse {
            animation: pulse 2s infinite;
        }
        
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(0, 200, 255, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(0, 200, 255, 0); }
            100% { box-shadow: 0 0 0 0 rgba(0, 200, 255, 0); }
        }
        
        @media (max-width: 768px) {
            .logo h1 {
                font-size: 2.5rem;
            }
            
            .grid {
                grid-template-columns: 1fr;
            }
        }