@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Exo+2:wght@300;400;600&display=swap');

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

body {
    font-family: 'Exo 2', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #f093fb 100%);
    background-attachment: fixed;
    color: #fff;
    min-height: 100vh;
    overflow-x: hidden;
}

header {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

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

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(45deg, #fff, #f093fb);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-shadow: 0 0 30px rgba(240, 147, 251, 0.5);
}

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

nav a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

nav a:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

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

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

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

.hero-section {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 20px;
    margin-bottom: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 40px rgba(240, 147, 251, 0.8);
    line-height: 1.2;
}

h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: #f093fb;
    text-shadow: 0 0 20px rgba(240, 147, 251, 0.5);
}

.subtitle {
    font-size: 1.5rem;
    color: #e0e0e0;
    margin-bottom: 2rem;
    font-weight: 300;
}

.notice-box {
    background: linear-gradient(135deg, rgba(255, 82, 82, 0.2), rgba(255, 215, 0, 0.2));
    border: 2px solid rgba(255, 215, 0, 0.5);
    border-radius: 15px;
    padding: 2rem;
    margin: 2rem 0;
    backdrop-filter: blur(10px);
}

.notice-box h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #ffd700;
}

.notice-box ul {
    list-style: none;
    padding: 0;
}

.notice-box li {
    padding: 0.8rem 0;
    font-size: 1.1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

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

.notice-box li::before {
    content: '⚠️ ';
    margin-right: 0.5rem;
}

.game-container {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 20px;
    padding: 2rem;
    margin: 3rem 0;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.game-container iframe {
    border: none;
    border-radius: 15px;
    width: 100%;
    max-width: 900px;
    height: 700px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.content-section {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 15px;
    padding: 2.5rem;
    margin: 2rem 0;
    line-height: 1.8;
}

.content-section p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #e0e0e0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: rgba(0, 0, 0, 0.4);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(240, 147, 251, 0.3);
    border-color: #f093fb;
}

.feature-card h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #f093fb;
}

footer {
    background: rgba(0, 0, 0, 0.6);
    padding: 3rem 2rem;
    margin-top: 4rem;
    border-top: 2px solid rgba(255, 255, 255, 0.1);
}

.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: #f093fb;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: #fff;
    text-shadow: 0 0 10px rgba(240, 147, 251, 0.8);
}

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

.popup-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.popup-content h2 {
    font-family: 'Orbitron', sans-serif;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.popup-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

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

.popup-buttons button {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Orbitron', sans-serif;
}

.btn-yes {
    background: linear-gradient(135deg, #00ff88, #00cc66);
    color: #000;
}

.btn-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(0, 255, 136, 0.4);
}

.btn-no {
    background: linear-gradient(135deg, #ff5252, #cc0000);
    color: #fff;
}

.btn-no:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(255, 82, 82, 0.4);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    nav ul {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        width: 100%;
        padding: 2rem;
        transition: left 0.3s ease;
        gap: 0;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav li {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .subtitle {
        font-size: 1.1rem;
    }
    
    .hero-section {
        padding: 2rem 1rem;
    }
    
    main {
        padding: 2rem 1rem;
    }
    
    .game-container iframe {
        height: 500px;
    }
    
    .popup-content {
        margin: 1rem;
        padding: 2rem;
    }
    
    .popup-buttons {
        flex-direction: column;
    }
}