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

body {
    font-family: 'Montserrat', sans-serif;
    background: #f5f7fa;
    color: #2c3e50;
    line-height: 1.6;
}

.site-wrapper {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

.site-header {
    background: #ffffff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-mark {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, #f39c12, #e67e22);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Merriweather', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 3px 10px rgba(243, 156, 18, 0.3);
}

.logo-name {
    font-family: 'Merriweather', serif;
    font-size: 1.75rem;
    font-weight: 700;
    color: #2c3e50;
}

.header-nav {
    position: relative;
}

.nav-trigger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.trigger-line {
    display: block;
    width: 28px;
    height: 3px;
    background: #2c3e50;
    border-radius: 3px;
    transition: all 0.3s ease;
}

.nav-trigger.active .trigger-line:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.nav-trigger.active .trigger-line:nth-child(2) {
    opacity: 0;
}

.nav-trigger.active .trigger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 0.5rem;
}

.nav-item {
    display: block;
    padding: 0.75rem 1.25rem;
    color: #34495e;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-item:hover {
    background: #ecf0f1;
    color: #f39c12;
}

.nav-item.active {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    color: #fff;
}

.main-content {
    flex: 1;
}

.intro-banner {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
    padding: 4rem 0;
    text-align: center;
}

.intro-banner h1 {
    font-family: 'Merriweather', serif;
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.banner-description {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.banner-highlights {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.highlight-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.benefits {
    padding: 4rem 0;
}

.benefit-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.benefit-card {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.card-emoji {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-card h3 {
    font-family: 'Merriweather', serif;
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.benefit-card p {
    color: #5a6c7d;
    line-height: 1.8;
}

.notice {
    padding: 3rem 0;
    background: #ecf0f1;
}

.notice-box {
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    border-left: 5px solid #e67e22;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.notice-box h3 {
    font-family: 'Merriweather', serif;
    font-size: 1.75rem;
    color: #e67e22;
    margin-bottom: 1.5rem;
}

.notice-points {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.notice-point {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    line-height: 1.7;
    color: #2c3e50;
}

.notice-point strong {
    color: #e67e22;
}

.game-showcase {
    padding: 4rem 0;
}

.game-showcase h2 {
    font-family: 'Merriweather', serif;
    font-size: 2.5rem;
    text-align: center;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.showcase-intro {
    text-align: center;
    color: #7f8c8d;
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
}

.game-container {
    background: #fff;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.game-iframe {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 8px;
    background: #000;
}

.features {
    padding: 4rem 0;
    background: #ecf0f1;
}

.features h2 {
    font-family: 'Merriweather', serif;
    font-size: 2.5rem;
    text-align: center;
    color: #2c3e50;
    margin-bottom: 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-item {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
}

.feature-num {
    display: block;
    font-family: 'Merriweather', serif;
    font-size: 2rem;
    font-weight: 700;
    color: #3498db;
    margin-bottom: 1rem;
}

.feature-item h4 {
    font-family: 'Merriweather', serif;
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 0.75rem;
}

.feature-item p {
    color: #5a6c7d;
    line-height: 1.7;
}

.statistics {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f39c12, #e67e22);
}

.stats-row {
    display: flex;
    justify-content: space-around;
    align-items: center;
    color: #fff;
}

.stat {
    text-align: center;
}

.stat-number {
    font-family: 'Merriweather', serif;
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-text {
    font-size: 1.2rem;
    font-weight: 600;
    opacity: 0.95;
}

.page-header {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: #fff;
    padding: 3rem 0;
    text-align: center;
}

.page-header h1 {
    font-family: 'Merriweather', serif;
    font-size: 2.75rem;
    margin-bottom: 1rem;
}

.page-lead {
    font-size: 1.2rem;
    opacity: 0.95;
}

.gameplay-info {
    padding: 3rem 0;
}

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

.info-box {
    background: #fff;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
}

.info-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.info-box h3 {
    font-family: 'Merriweather', serif;
    font-size: 1.3rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.info-box p {
    color: #5a6c7d;
    line-height: 1.7;
}

.legal-content {
    padding: 3rem 0;
}

.legal-article {
    background: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.08);
}

.legal-article h3 {
    font-family: 'Merriweather', serif;
    font-size: 1.5rem;
    color: #2c3e50;
    margin-bottom: 1rem;
}

.legal-article p,
.legal-article li {
    color: #5a6c7d;
    line-height: 1.9;
    margin-bottom: 1rem;
}

.legal-article ul {
    padding-left: 2rem;
    margin: 1rem 0;
}

.legal-article a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
}

.legal-article a:hover {
    color: #f39c12;
    text-decoration: underline;
}

.alert-banner {
    background: linear-gradient(135deg, #e67e22, #d35400);
    color: #fff;
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3);
}

.alert-emoji {
    font-size: 3.5rem;
    display: block;
    margin-bottom: 1rem;
}

.alert-banner h3 {
    font-family: 'Merriweather', serif;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.alert-banner p {
    font-size: 1.1rem;
    line-height: 1.7;
}

.site-footer {
    background: #34495e;
    color: #ecf0f1;
    padding: 3rem 0;
    margin-top: auto;
}

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

.footer-column h4 {
    font-family: 'Merriweather', serif;
    color: #fff;
    font-size: 1.3rem;
    margin-bottom: 1rem;
}

.footer-column p {
    color: #bdc3c7;
    line-height: 1.7;
    margin-bottom: 1rem;
}

.resource-links {
    list-style: none;
    padding: 0;
}

.resource-links li {
    margin-bottom: 0.75rem;
}

.resource-links a {
    color: #3498db;
    text-decoration: none;
    transition: color 0.3s ease;
}

.resource-links a:hover {
    color: #f39c12;
}

.footer-copyright {
    font-size: 0.9rem;
    color: #95a5a6;
    margin-top: 1.5rem;
}

.age-barrier {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

.age-barrier.visible {
    display: flex;
}

.age-barrier-card {
    background: #fff;
    max-width: 550px;
    padding: 3rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

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

.age-barrier-card h2 {
    font-family: 'Merriweather', serif;
    font-size: 2.25rem;
    color: #2c3e50;
    margin-bottom: 1.5rem;
}

.age-barrier-card p {
    color: #5a6c7d;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    line-height: 1.7;
}

.barrier-note {
    font-size: 1rem;
    color: #7f8c8d;
}

.barrier-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.barrier-btn {
    flex: 1;
    padding: 1.25rem 2rem;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.barrier-btn:hover {
    transform: scale(1.05);
}

.barrier-btn.accept {
    background: linear-gradient(135deg, #2ecc71, #27ae60);
    color: #fff;
}

.barrier-btn.decline {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: #fff;
}

@media (max-width: 968px) {
    .nav-trigger {
        display: flex;
    }
    
    .nav-list {
        display: none;
        position: absolute;
        top: calc(100% + 1rem);
        right: 0;
        background: #fff;
        flex-direction: column;
        padding: 1rem;
        border-radius: 8px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
        min-width: 200px;
    }
    
    .nav-list.visible {
        display: flex;
    }
    
    .intro-banner h1 {
        font-size: 2rem;
    }
    
    .game-iframe {
        height: 500px;
    }
    
    .stats-row {
        flex-direction: column;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .intro-banner {
        padding: 2.5rem 0;
    }
    
    .intro-banner h1 {
        font-size: 1.75rem;
    }
    
    .game-iframe {
        height: 400px;
    }
    
    .age-barrier-card {
        margin: 1rem;
        padding: 2rem;
    }
    
    .barrier-buttons {
        flex-direction: column;
    }
}