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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1.5rem 0;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    font-weight: bold;
}

/* Navigation */
nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

nav a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

nav a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s;
}

nav a:hover:after {
    width: 100%;
}

nav a:hover {
    color: #667eea;
}

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

.hamburger span {
    width: 25px;
    height: 3px;
    background: #667eea;
    border-radius: 3px;
    transition: all 0.3s;
}

/* Main Content */
main {
    padding: 3rem 0;
}

.hero {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    margin-bottom: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: #555;
    margin-bottom: 1rem;
}

.notice-box {
    background: linear-gradient(135deg, #ffeaa7 0%, #fdcb6e 100%);
    padding: 1.5rem;
    border-radius: 15px;
    margin: 2rem 0;
    border-left: 5px solid #e17055;
}

.notice-box h3 {
    color: #d63031;
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

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

.notice-box li {
    padding: 0.5rem 0;
    color: #2d3436;
    font-weight: 500;
}

.notice-box li:before {
    content: '⚠️ ';
    margin-right: 10px;
}

.game-container {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    margin: 2rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.game-container h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.game-frame {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 15px;
    background: #f8f9fa;
}

.info-section {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    margin: 2rem 0;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.info-section h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.info-section h3 {
    color: #764ba2;
    margin: 1.5rem 0 1rem;
    font-size: 1.5rem;
}

.info-section p {
    line-height: 1.8;
    color: #555;
    margin-bottom: 1rem;
}

.info-section ul, .info-section ol {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

.info-section li {
    line-height: 1.8;
    color: #555;
    margin-bottom: 0.5rem;
}

/* Footer */
footer {
    background: rgba(255, 255, 255, 0.98);
    padding: 3rem 0;
    margin-top: 3rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #667eea;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section a {
    display: block;
    color: #555;
    text-decoration: none;
    margin-bottom: 0.5rem;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #667eea;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #e0e0e0;
    color: #777;
}

/* Age Verification Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-content h2 {
    color: #667eea;
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.modal-content p {
    color: #555;
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
}

.btn-yes {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.btn-yes:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.btn-no {
    background: #e0e0e0;
    color: #555;
}

.btn-no:hover {
    background: #d0d0d0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    nav ul {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: white;
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
        padding: 2rem 0;
        gap: 1rem;
    }
    
    nav ul.active {
        left: 0;
    }
    
    .hero h1 {
        font-size: 1.8rem;
    }
    
    .hero {
        padding: 2rem;
    }
    
    .game-frame {
        height: 400px;
    }
    
    .modal-content {
        margin: 0 20px;
        padding: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
    }
}