* {
    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;
}

/* Age Gate */
.age-gate {
    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: 10000;
}

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

.age-gate-content {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    color: white;
}

.age-gate-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

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

.age-gate-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    justify-content: center;
}

.btn-yes, .btn-no {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-weight: 600;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-yes {
    background: #22c55e;
    color: white;
}

.btn-yes:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(34, 197, 94, 0.4);
}

.btn-no {
    background: #ef4444;
    color: white;
}

.btn-no:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(239, 68, 68, 0.4);
}

/* Hamburger Menu */
.hamburger {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: 10px;
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s;
}

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

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(8px, -8px);
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    padding: 2rem;
    z-index: 1000;
    transition: transform 0.3s ease;
}

.logo {
    text-align: center;
    margin-bottom: 3rem;
    color: white;
}

.logo h1 {
    margin-top: 1rem;
    font-size: 1.8rem;
    font-weight: 700;
}

.nav-links {
    list-style: none;
}

.nav-links li {
    margin-bottom: 1rem;
}

.nav-links a {
    display: block;
    padding: 1rem 1.5rem;
    color: white;
    text-decoration: none;
    border-radius: 10px;
    transition: all 0.3s;
    font-weight: 500;
}

.nav-links a:hover,
.nav-links a.active {
    background: rgba(255, 255, 255, 0.3);
    transform: translateX(5px);
}

/* Main Content */
.main-content {
    margin-left: 280px;
    padding: 2rem;
    transition: margin-left 0.3s ease;
}

/* Hero Section */
.hero {
    background: rgba(255, 255, 255, 0.95);
    padding: 4rem 2rem;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tagline {
    font-size: 1.3rem;
    color: #666;
}

/* Page Header */
.page-header {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.page-header h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: #666;
    margin-top: 0.5rem;
    font-size: 1.1rem;
}

/* Sections */
section {
    margin-bottom: 2rem;
}

.container {
    background: rgba(255, 255, 255, 0.95);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.container h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #6366f1;
}

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

/* Notice Grid */
.notice-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.notice-card {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    padding: 2rem;
    border-radius: 15px;
    color: white;
    text-align: center;
}

.notice-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.notice-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.notice-card p {
    color: rgba(255, 255, 255, 0.9);
}

/* Game Container */
.game-container {
    margin-top: 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.game-container iframe {
    width: 100%;
    height: 600px;
    border: none;
}

.game-container-large iframe {
    height: 700px;
}

.game-intro {
    color: #666;
    margin-bottom: 1rem;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-box {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);
    padding: 2rem;
    border-radius: 15px;
    border: 2px solid rgba(99, 102, 241, 0.2);
}

.feature-box h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: #6366f1;
}

.feature-box p {
    color: #666;
}

/* Game Info Section */
.game-info {
    margin-bottom: 2rem;
}

.game-tips {
    background: rgba(99, 102, 241, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    margin: 1.5rem 0;
}

.game-tips h3 {
    color: #6366f1;
    margin-bottom: 1rem;
}

.game-tips ul {
    list-style-position: inside;
    color: #555;
}

.game-tips li {
    margin-bottom: 0.5rem;
}

.game-reminder {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    padding: 1.5rem;
    border-radius: 10px;
    color: white;
}

/* Legal Content */
.legal-content .container {
    max-width: 900px;
    margin: 0 auto;
}

.legal-content h2 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.legal-content ul {
    margin-left: 2rem;
    margin-bottom: 1rem;
}

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

.disclaimer-notice,
.terms-acknowledgment,
.privacy-summary,
.disclaimer-acknowledgment {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    margin: 2rem 0;
}

.disclaimer-acknowledgment ul {
    margin-left: 2rem;
    color: white;
}

.disclaimer-acknowledgment li {
    color: white;
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    color: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    margin-top: 3rem;
}

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

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

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: white;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    color: rgba(255, 255, 255, 0.7);
}

/* Mobile Styles */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.1rem;
    }

    .page-header h1 {
        font-size: 1.8rem;
    }

    .container {
        padding: 1.5rem;
    }

    .notice-grid,
    .features-grid {
        grid-template-columns: 1fr;
    }

    .game-container iframe {
        height: 400px;
    }

    .game-container-large iframe {
        height: 500px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }
}