* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background: linear-gradient(135deg, #0a1929 0%, #1a3a5f 100%);
            color: #e0f7fa;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 20px;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 800px;
            width: 100%;
            text-align: center;
            padding: 30px;
            background: rgba(13, 43, 72, 0.7);
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            border: 1px solid rgba(0, 231, 255, 0.3);
            position: relative;
            overflow: hidden;
        }
        
        .container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, #00e0ff, #00ff95, #ff0055, #ffaa00);
            z-index: 1;
        }
        
        h1 {
            font-size: 3.2rem;
            margin-bottom: 10px;
            color: #00e0ff;
            text-shadow: 0 0 15px rgba(0, 224, 255, 0.7);
            letter-spacing: 1px;
        }
        
        .subtitle {
            font-size: 1.4rem;
            margin-bottom: 40px;
            color: #b3e5fc;
        }
        
        .countdown-container {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 40px 0;
            flex-wrap: wrap;
        }
        
        .countdown-box {
            background: rgba(0, 30, 60, 0.8);
            border-radius: 10px;
            padding: 20px 15px;
            min-width: 120px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(0, 150, 255, 0.4);
            position: relative;
            overflow: hidden;
        }
        
        .countdown-box::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, #00e0ff, #00ff95);
        }
        
        .countdown-value {
            font-size: 3.5rem;
            font-weight: 700;
            color: #00e0ff;
            text-shadow: 0 0 10px rgba(0, 224, 255, 0.5);
            line-height: 1;
        }
        
        .countdown-label {
            font-size: 1rem;
            margin-top: 8px;
            color: #b3e5fc;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        
        .reactor-graphic {
            width: 200px;
            height: 200px;
            margin: 30px auto;
            position: relative;
        }
        
        .reactor-core {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            background: radial-gradient(circle, #003366 0%, #001122 70%);
            border: 3px solid #00e0ff;
            box-shadow: 0 0 20px rgba(0, 224, 255, 0.7);
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        
        .core-inner {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: radial-gradient(circle, #00a8ff 0%, #0055aa 70%);
            box-shadow: 0 0 30px rgba(0, 168, 255, 0.9);
            animation: pulse 2s infinite alternate;
        }
        
        .control-rods {
            position: absolute;
            width: 100%;
            height: 100%;
        }
        
        .rod {
            position: absolute;
            width: 8px;
            height: 120px;
            background: linear-gradient(to bottom, #444, #222);
            border-radius: 4px;
            top: 50%;
            left: 50%;
            transform-origin: center;
        }
        
        .rod:nth-child(1) { transform: translate(-50%, -50%) rotate(0deg); }
        .rod:nth-child(2) { transform: translate(-50%, -50%) rotate(45deg); }
        .rod:nth-child(3) { transform: translate(-50%, -50%) rotate(90deg); }
        .rod:nth-child(4) { transform: translate(-50%, -50%) rotate(135deg); }
        
        .signup-container {
            margin-top: 40px;
            padding: 25px;
            background: rgba(0, 40, 80, 0.6);
            border-radius: 10px;
            border: 1px solid rgba(0, 150, 255, 0.3);
        }
        
        .signup-title {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: #00e0ff;
        }
        
        .signup-button {
            display: inline-block;
            padding: 14px 35px;
            background: linear-gradient(135deg, #00bcd4, #00838f);
            color: white;
            text-decoration: none;
            font-size: 1.2rem;
            font-weight: 600;
            border-radius: 50px;
            transition: all 0.3s ease;
            box-shadow: 0 5px 15px rgba(0, 188, 212, 0.4);
            letter-spacing: 1px;
            text-transform: uppercase;
            border: none;
            cursor: pointer;
        }
        
        .signup-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(0, 188, 212, 0.6);
            background: linear-gradient(135deg, #00e5ff, #0097a7);
        }
        
        .warning-text {
            margin-top: 25px;
            font-size: 1rem;
            color: #ffcc80;
            font-style: italic;
        }
        
        .radiation-symbol {
            font-size: 2rem;
            margin: 0 5px;
            color: #ffeb3b;
        }
        
        /* Footer */
        .event-footer {
        text-align: center;
        padding: 1rem;
        color: var(--white);
        font-size: 0.9rem;
        }

        .event-footer a {
        color: var(--orange);
        text-decoration: none;
        font-weight: 600;
        }

        .event-footer a:hover {
        text-decoration: underline;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 20px rgba(0, 168, 255, 0.7);
            }
            100% {
                box-shadow: 0 0 40px rgba(0, 168, 255, 1);
            }
        }
        
        @media (max-width: 600px) {
            h1 {
                font-size: 2.5rem;
            }
            
            .subtitle {
                font-size: 1.1rem;
            }
            
            .countdown-box {
                min-width: 90px;
                padding: 15px 10px;
            }
            
            .countdown-value {
                font-size: 2.5rem;
            }
            
            .reactor-graphic {
                width: 150px;
                height: 150px;
            }
            
            .reactor-core {
                width: 120px;
                height: 120px;
            }
            
            .core-inner {
                width: 80px;
                height: 80px;
            }
        }