:root {
            --primary: #00d4ff;
            --secondary: #7b2fff;
            --bg: linear-gradient(135deg, #0f0c29, #302b63, #24243e);
            --card: rgba(255, 255, 255, 0.08);
            --text: #ffffff;
        }
        * { margin:0; padding:0; box-sizing:border-box; }
        body {
            font-family: 'Inter', sans-serif;
            min-height: 100vh;
            background: var(--bg);
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            position: relative;
        }
        body::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('https://images.unsplash.com/photo-1557682250-33bd709cbe85?ixlib=rb-4.0.3&auto=format&fit=crop&q=90') center/cover no-repeat;
            opacity: 0.15;
            filter: blur(2px);
        }
        #particles {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: 1;
            pointer-events: none;
        }
        .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 40px 20px;
        }
        .logo {
            font-size: 5.5rem;
            font-weight: 900;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 20px;
            letter-spacing: -2px;
            animation: glow 3s ease-in-out infinite alternate;
        }
        @keyframes glow {
            from { filter: drop-shadow(0 0 20px var(--primary)); }
            to { filter: drop-shadow(0 0 40px var(--secondary)); }
        }
        h1 {
            font-size: 3.2rem;
            font-weight: 700;
            margin: 30px 0 20px;
            line-height: 1.2;
        }
        .subtitle {
            font-size: 1.4rem;
            opacity: 0.9;
            margin-bottom: 40px;
            font-weight: 400;
        }
        .btn-group {
            display: flex;
            gap: 20px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 30px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            padding: 18px 40px;
            font-size: 1.3rem;
            font-weight: 600;
            border-radius: 50px;
            text-decoration: none;
            transition: all 0.4s ease;
            cursor: pointer;
            border: none;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }
        .btn-primary {
            background: linear-gradient(90deg, var(--primary), #00a8cc);
            color: #000;
        }
        .btn-medium {
            background: linear-gradient(90deg, #000, #333);
            color: #fff;
        }
        .btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .btn i { font-size: 1.5rem; }
        .footer {
            margin-top: 60px;
            opacity: 0.7;
            font-size: 1rem;
        }
        @media (max-width: 768px) {
            .logo { font-size: 4rem; }
            h1 { font-size: 2.4rem; }
            .subtitle { font-size: 1.2rem; }
            .btn { padding: 16px 30px; font-size: 1.1rem; }
        }