@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');

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

body {
    font-family: 'Orbitron', monospace;
    background: linear-gradient(135deg, #0a0a0a 0%, #1a1a2e 50%, #16213e 100%);
    color: #e0e0e0;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Animated background particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: #00ffff;
    border-radius: 50%;
    animation: float 6s infinite linear;
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Header */
.header {
    position: relative;
    z-index: 10;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 2px solid #00ffff;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    font-size: 2rem;
    font-weight: 900;
    color: #00ffff;
    text-shadow: 0 0 20px #00ffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.logo:hover {
    text-shadow: 0 0 30px #00ffff, 0 0 40px #00ffff;
    transform: scale(1.05);
}

/* Mobile hamburger menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #00ffff;
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: #00ffff;
    transition: width 0.3s ease;
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu a:hover {
    color: #00ffff;
    text-shadow: 0 0 10px #00ffff;
}

/* Main content */
.main-content {
    position: relative;
    z-index: 5;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.hero-section {
    text-align: center;
    padding: 4rem 0;
    background: rgba(0, 255, 255, 0.05);
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: linear-gradient(45deg, #00ffff, #ffffff, #00ffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        text-shadow: 0 0 20px #00ffff;
    }
    to {
        text-shadow: 0 0 30px #00ffff, 0 0 40px #00ffff;
    }
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #b0b0b0;
}

.notice-banner {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    color: #000;
    padding: 1rem;
    border-radius: 10px;
    margin: 2rem 0;
    font-weight: 700;
    text-align: center;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
}

.game-container {
    background: rgba(0, 0, 0, 0.6);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    border: 2px solid #00ffff;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.3);
}

.game-frame {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 10px;
    background: #000;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.9);
    border-top: 2px solid #00ffff;
    padding: 2rem 0;
    margin-top: 4rem;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: #00ffff;
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #ffffff;
    text-shadow: 0 0 10px #00ffff;
}

/* Age verification modal */
.age-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.age-modal-content {
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    border: 2px solid #00ffff;
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.5);
    max-width: 500px;
    width: 90%;
}

.age-modal h2 {
    color: #00ffff;
    margin-bottom: 1rem;
    font-size: 2rem;
}

.age-modal p {
    margin-bottom: 2rem;
    color: #e0e0e0;
}

.age-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.age-btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Orbitron', monospace;
}

.age-yes {
    background: linear-gradient(45deg, #00ffff, #0080ff);
    color: #000;
}

.age-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.age-no {
    background: linear-gradient(45deg, #ff6b6b, #ff8e53);
    color: #000;
}

.age-no:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px rgba(255, 107, 107, 0.5);
}

/* Responsive design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .game-frame {
        height: 400px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .age-modal-content {
        padding: 2rem;
        margin: 1rem;
    }
    
    .age-buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .game-frame {
        height: 300px;
    }
}