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

body {
    font-family: 'Nunito', sans-serif;
    background: linear-gradient(135deg, #1a472a 0%, #2d5f3f 100%);
    color: #e8f5e9;
    min-height: 100vh;
    line-height: 1.6;
}

header {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 3px solid #4caf50;
}

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

.logo {
    font-size: 2rem;
    font-weight: 800;
    color: #ffd700;
    text-decoration: none;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

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

nav a {
    color: #e8f5e9;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s, transform 0.3s;
    display: inline-block;
}

nav a:hover {
    color: #ffd700;
    transform: translateY(-2px);
}

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

.hamburger span {
    width: 30px;
    height: 3px;
    background: #ffd700;
    border-radius: 3px;
    transition: 0.3s;
}

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

.hero {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    margin-bottom: 3rem;
    border: 2px solid rgba(255, 215, 0, 0.3);
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    color: #ffd700;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
}

.hero p {
    font-size: 1.3rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    opacity: 0.9;
}

.notice-box {
    background: linear-gradient(135deg, #ff6b6b, #ee5a6f);
    padding: 1.5rem;
    border-radius: 15px;
    margin: 2rem 0;
    border: 3px solid #c92a2a;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.notice-box h2 {
    color: #fff;
    margin-bottom: 1rem;
    font-size: 1.8rem;
}

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

.notice-box li {
    padding: 0.5rem 0;
    font-size: 1.1rem;
    color: #fff;
}

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

.game-container {
    background: rgba(0, 0, 0, 0.6);
    padding: 2rem;
    border-radius: 20px;
    margin: 3rem 0;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
}

.game-container h2 {
    text-align: center;
    color: #ffd700;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.game-frame {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 15px;
    background: #000;
}

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

.info-card {
    background: rgba(255, 255, 255, 0.08);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid rgba(255, 215, 0, 0.2);
    transition: transform 0.3s, box-shadow 0.3s;
}

.info-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

.info-card h3 {
    color: #ffd700;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.content-section {
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
    margin: 2rem 0;
    line-height: 1.8;
}

.content-section h2 {
    color: #ffd700;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.content-section p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

footer {
    background: rgba(0, 0, 0, 0.6);
    padding: 3rem 2rem;
    margin-top: 4rem;
    border-top: 3px solid #4caf50;
}

.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: #4caf50;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: #ffd700;
}

.age-popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.age-popup.hidden {
    display: none;
}

.age-popup-content {
    background: linear-gradient(135deg, #2e7d32, #1b5e20);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    border: 3px solid #ffd700;
    box-shadow: 0 10px 50px rgba(255, 215, 0, 0.5);
}

.age-popup-content h2 {
    color: #ffd700;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

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

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

.age-buttons button {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s;
}

.btn-yes {
    background: #4caf50;
    color: white;
}

.btn-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(76, 175, 80, 0.5);
}

.btn-no {
    background: #f44336;
    color: white;
}

.btn-no:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(244, 67, 54, 0.5);
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    nav ul {
        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;
        gap: 0;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav li {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(255, 215, 0, 0.2);
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .game-frame {
        height: 500px;
    }
    
    main {
        padding: 1rem;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
}