@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;600;700;900&display=swap');

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

body {
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 100%);
    color: #e0e7ff;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    background: rgba(10, 14, 39, 0.95);
    border-bottom: 2px solid #00d4ff;
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    width: 50px;
    height: 50px;
    animation: rotate 8s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.site-title {
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(45deg, #00d4ff, #00ff88);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
}

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

nav a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.5rem 1rem;
    border: 2px solid transparent;
    border-radius: 8px;
    transition: all 0.3s ease;
    letter-spacing: 1px;
}

nav a:hover {
    border-color: #00d4ff;
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 30px;
    height: 3px;
    background: #00d4ff;
    transition: all 0.3s;
    border-radius: 2px;
}

main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.hero-section {
    text-align: center;
    padding: 4rem 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05), rgba(0, 255, 136, 0.05));
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.hero-section h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: #00d4ff;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.hero-section p {
    font-size: 1.3rem;
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto;
    color: #b8c5ff;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin: 3rem 0;
}

.content-box {
    background: rgba(26, 31, 58, 0.6);
    padding: 2.5rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.content-box:hover {
    border-color: #00d4ff;
    box-shadow: 0 10px 40px rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.content-box h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #00ff88;
    font-weight: 700;
}

.content-box p {
    line-height: 1.8;
    color: #b8c5ff;
    font-size: 1.05rem;
}

.content-box ul {
    list-style: none;
    margin-top: 1rem;
}

.content-box li {
    padding: 0.8rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    color: #b8c5ff;
}

.content-box li:last-child {
    border-bottom: none;
}

.game-container {
    margin: 3rem 0;
    text-align: center;
}

.game-container h2 {
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #00d4ff;
    font-weight: 700;
}

.game-frame {
    width: 100%;
    max-width: 900px;
    height: 700px;
    border: 3px solid #00d4ff;
    border-radius: 15px;
    margin: 0 auto;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.3);
}

.notice-banner {
    background: linear-gradient(135deg, rgba(255, 68, 68, 0.2), rgba(255, 136, 0, 0.2));
    border: 2px solid #ff4444;
    border-radius: 15px;
    padding: 2rem;
    margin: 3rem 0;
    text-align: center;
}

.notice-banner h2 {
    color: #ff6b6b;
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.notice-banner p {
    font-size: 1.2rem;
    line-height: 1.8;
    color: #ffa8a8;
}

footer {
    background: rgba(10, 14, 39, 0.95);
    border-top: 2px solid #00d4ff;
    padding: 3rem 2rem;
    margin-top: 5rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

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

.footer-links a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: 600;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 8px;
    transition: all 0.3s;
}

.footer-links a:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: #00d4ff;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.footer-text {
    color: #b8c5ff;
    font-size: 0.95rem;
    line-height: 1.6;
}

.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.age-modal.active {
    display: flex;
}

.age-modal-content {
    background: linear-gradient(135deg, #1a1f3a, #0a0e27);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    border: 3px solid #00d4ff;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
}

.age-modal-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #00d4ff;
    font-weight: 900;
}

.age-modal-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.8;
    color: #b8c5ff;
}

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

.age-btn {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.age-btn.yes {
    background: linear-gradient(135deg, #00d4ff, #00ff88);
    color: #0a0e27;
}

.age-btn.yes:hover {
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.6);
    transform: scale(1.05);
}

.age-btn.no {
    background: #ff4444;
    color: white;
}

.age-btn.no:hover {
    box-shadow: 0 0 30px rgba(255, 68, 68, 0.6);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 14, 39, 0.98);
        transition: right 0.3s;
        padding-top: 5rem;
        border-left: 2px solid #00d4ff;
    }
    
    nav.active {
        right: 0;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0;
        padding: 2rem;
    }
    
    nav a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-section p {
        font-size: 1rem;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .site-title {
        font-size: 1.3rem;
    }
    
    .game-frame {
        height: 500px;
    }
    
    .age-modal-content {
        margin: 1rem;
        padding: 2rem;
    }
    
    .age-buttons {
        flex-direction: column;
    }
}