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

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(135deg, #0a0e27 0%, #1a1f3a 50%, #2a1f3a 100%);
    color: #e0e6ed;
    line-height: 1.6;
    min-height: 100vh;
}

.age-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

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

.age-content {
    background: linear-gradient(135deg, #1e3a5f 0%, #2d1b4e 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    width: 90%;
    border: 2px solid #4A90E2;
    box-shadow: 0 20px 60px rgba(74, 144, 226, 0.3);
}

.age-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: #4A90E2;
}

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

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

.age-yes, .age-no {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.age-yes {
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: white;
}

.age-yes:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(74, 144, 226, 0.5);
}

.age-no {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
}

.age-no:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(108, 117, 125, 0.5);
}

header {
    background: rgba(10, 14, 39, 0.95);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid #4A90E2;
    backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    font-weight: 900;
    color: #4A90E2;
    text-decoration: none;
}

.logo-icon {
    width: 50px;
    height: 50px;
}

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

.hamburger span {
    width: 30px;
    height: 3px;
    background: #4A90E2;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.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);
}

nav {
    display: flex;
    gap: 2rem;
}

nav a {
    color: #e0e6ed;
    text-decoration: none;
    font-weight: 500;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #4A90E2;
    transition: width 0.3s ease;
}

nav a:hover {
    color: #4A90E2;
}

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

.hero {
    padding: 5rem 2rem;
    text-align: center;
    background: radial-gradient(circle at center, rgba(74, 144, 226, 0.2) 0%, transparent 70%);
}

.hero-content h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #4A90E2 0%, #FFD700 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: #b0c4de;
}

.hero-badges {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    background: rgba(74, 144, 226, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    border: 2px solid #4A90E2;
    font-weight: 700;
    font-size: 1.1rem;
}

.intro-section, .notice-section, .game-section, .additional-content, .cta-section {
    padding: 4rem 2rem;
}

.content-wrapper {
    max-width: 1400px;
    margin: 0 auto;
}

h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #4A90E2;
    text-align: center;
}

h3 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #6fb1fc;
}

p {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: #c8d6e5;
}

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

.feature-card {
    background: rgba(30, 58, 95, 0.5);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid #4A90E2;
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(74, 144, 226, 0.3);
    border-color: #FFD700;
}

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

.notice-box {
    background: rgba(255, 215, 0, 0.1);
    padding: 2.5rem;
    border-radius: 15px;
    border: 2px solid #FFD700;
    margin: 2rem 0;
}

.notice-box h3 {
    color: #FFD700;
    margin-bottom: 1.5rem;
}

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

.notice-box li {
    margin-bottom: 1rem;
    padding-left: 2rem;
    position: relative;
    font-size: 1.1rem;
}

.notice-box li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #FFD700;
    font-weight: 700;
}

.game-container {
    margin: 3rem 0;
    border-radius: 15px;
    overflow: hidden;
    border: 3px solid #4A90E2;
    background: #000;
}

.game-frame {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
}

.game-info {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(74, 144, 226, 0.1);
    border-radius: 10px;
    border: 1px solid #4A90E2;
}

.game-info p {
    margin-bottom: 1rem;
}

.section-intro {
    text-align: center;
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.info-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
    margin-top: 2rem;
}

.info-col {
    background: rgba(30, 58, 95, 0.3);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid #4A90E2;
}

.cta-box {
    text-align: center;
    padding: 4rem 2rem;
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.2) 0%, rgba(255, 215, 0, 0.2) 100%);
    border-radius: 20px;
    border: 2px solid #4A90E2;
}

.cta-button {
    display: inline-block;
    padding: 1.2rem 3rem;
    font-size: 1.3rem;
    font-weight: 700;
    font-family: 'Orbitron', sans-serif;
    background: linear-gradient(135deg, #4A90E2 0%, #357ABD 100%);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s ease;
    margin-top: 1rem;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(74, 144, 226, 0.5);
}

footer {
    background: rgba(10, 14, 39, 0.95);
    padding: 3rem 2rem;
    border-top: 2px solid #4A90E2;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.footer-section h4 {
    font-family: 'Orbitron', sans-serif;
    color: #4A90E2;
    margin-bottom: 1rem;
    font-size: 1.4rem;
}

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

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

.footer-links a {
    color: #b0c4de;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links a:hover {
    color: #4A90E2;
}

.footer-notice {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #8899a6;
}

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

    nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(10, 14, 39, 0.98);
        flex-direction: column;
        padding: 2rem;
        border-top: 2px solid #4A90E2;
    }

    nav.active {
        display: flex;
    }

    nav a {
        padding: 1rem 0;
        border-bottom: 1px solid rgba(74, 144, 226, 0.3);
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-badges {
        flex-direction: column;
        align-items: center;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .info-columns {
        grid-template-columns: 1fr;
    }

    .age-content {
        padding: 2rem;
    }

    .age-buttons {
        flex-direction: column;
    }

    .game-frame {
        height: 400px;
    }

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