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

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #ffffff;
    line-height: 1.6;
    min-height: 100vh;
}

.main-header {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
}

.logo-icon {
    font-size: 2rem;
}

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

.main-nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.main-nav a:hover,
.main-nav a.active {
    background: rgba(255, 255, 255, 0.2);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #ffffff;
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    background: rgba(0, 0, 0, 0.95);
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    padding: 2rem;
    z-index: 99;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu ul {
    list-style: none;
}

.mobile-menu a {
    color: #ffffff;
    text-decoration: none;
    display: block;
    padding: 1rem;
    font-size: 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu a.active {
    background: rgba(255, 255, 255, 0.1);
}

.main-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

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

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-badges {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.badge {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.8rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
}

.notice-section {
    margin: 3rem 0;
}

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

.notice-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s;
}

.notice-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

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

.notice-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.game-section {
    margin: 4rem 0;
}

.game-container {
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    border-radius: 20px;
}

.game-container h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.game-intro {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.game-frame {
    width: 100%;
    max-width: 900px;
    margin: 0 auto 2rem;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

.game-frame iframe {
    width: 100%;
    height: 600px;
    display: block;
}

.game-controls {
    text-align: center;
}

.btn-play {
    display: inline-block;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: #ffffff;
    padding: 1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.2rem;
    transition: all 0.3s;
    box-shadow: 0 5px 20px rgba(245, 87, 108, 0.4);
}

.btn-play:hover {
    transform: translateY(-2px);
    box-shadow: 0 7px 25px rgba(245, 87, 108, 0.6);
}

.features-section {
    margin: 4rem 0;
}

.features-section h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
}

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

.feature-item {
    background: rgba(255, 255, 255, 0.08);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
}

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

.feature-item h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.info-section {
    margin: 4rem 0;
    background: rgba(255, 255, 255, 0.05);
    padding: 3rem;
    border-radius: 20px;
}

.info-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.info-content p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    line-height: 1.8;
}

.main-footer {
    background: rgba(0, 0, 0, 0.4);
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.footer-section h4 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

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

.footer-links a {
    color: #ffffff;
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s;
}

.footer-links a:hover {
    opacity: 1;
}

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

.age-popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

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

.age-content {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.age-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

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

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

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

.btn-age-yes,
.btn-age-no {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Poppins', sans-serif;
}

.btn-age-yes {
    background: #00ff88;
    color: #000000;
}

.btn-age-yes:hover {
    background: #00cc6a;
    transform: translateY(-2px);
}

.btn-age-no {
    background: #ff4757;
    color: #ffffff;
}

.btn-age-no:hover {
    background: #cc3644;
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .main-nav {
        display: none;
    }

    .hamburger {
        display: flex;
    }

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

    .hero-subtitle {
        font-size: 1rem;
    }

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

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

    .age-content {
        margin: 1rem;
        padding: 2rem;
    }

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