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

:root {
    --primary-gradient: linear-gradient(45deg, #00ff87, #60efff);
    --secondary-gradient: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.18);
    --glass-shadow: rgba(31, 38, 135, 0.37);
}

body {
    font-family: 'Poppins', sans-serif;
    background: var(--secondary-gradient);
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    overflow-x: hidden;
}

.stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background-image: 
        radial-gradient(2px 2px at 20px 30px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 40px 70px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 50px 160px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 90px 40px, #fff, rgba(0,0,0,0)),
        radial-gradient(2px 2px at 130px 80px, #fff, rgba(0,0,0,0));
    background-repeat: repeat;
    background-size: 200px 200px;
    animation: twinkle 4s ease-in-out infinite;
    opacity: 0.3;
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

header {
    text-align: center;
    margin-bottom: 3rem;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.logo i {
    font-size: 2.5rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: float 3s ease-in-out infinite;
}

h1 {
    font-size: 3.5rem;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: glow 2s ease-in-out infinite alternate;
}

.subtitle {
    font-size: 1.2rem;
    color: #a0a0a0;
    margin-bottom: 2rem;
}

.features {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.feature {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: var(--glass-bg);
    border-radius: 15px;
    backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    transition: transform 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
}

.feature i {
    font-size: 1.5rem;
    color: #00ff87;
}

.game-container {
    position: relative;
    width: 100%;
    background: var(--glass-bg);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px 0 var(--glass-shadow);
    backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
}

.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.game-info {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.demo-badge {
    background: var(--primary-gradient);
    color: #1a1a2e;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    width: fit-content;
}

.play-real-btn {
    background: var(--primary-gradient);
    color: #1a1a2e;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.play-real-btn i {
    font-size: 1.2rem;
}

.play-real-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 255, 135, 0.4);
}

.game-frame {
    width: 100%;
    height: 600px;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
}

iframe {
    width: 100%;
    height: 100%;
    border: none;
}

footer {
    text-align: center;
    margin-top: 2rem;
    color: #a0a0a0;
    font-size: 0.9rem;
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(0, 255, 135, 0.5),
                     0 0 20px rgba(96, 239, 255, 0.3);
    }
    to {
        text-shadow: 0 0 20px rgba(0, 255, 135, 0.8),
                     0 0 30px rgba(96, 239, 255, 0.5);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 0.5;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    .features {
        flex-direction: column;
        gap: 1rem;
    }
    
    .game-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .game-info {
        align-items: center;
    }
    
    .game-frame {
        height: 400px;
    }
    
    .play-real-btn {
        width: 100%;
        justify-content: center;
    }
}