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

body {
    font-family: 'Open Sans', sans-serif;
    color: #2c3e50;
    background: #f4f7f6;
    line-height: 1.7;
}

h1, h2, h3, h4 {
    font-family: 'Merriweather', serif;
}

/* Age Verification Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(44, 62, 80, 0.95);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

.modal-overlay.active {
    display: flex;
}

.modal-box {
    background: linear-gradient(135deg, #a8e6cf 0%, #dcedc8 100%);
    padding: 60px 40px;
    border-radius: 12px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.modal-icon {
    font-size: 72px;
    margin-bottom: 20px;
}

.modal-box h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: #2c5f2d;
}

.modal-box p {
    font-size: 18px;
    margin-bottom: 15px;
    color: #34495e;
}

.modal-notice {
    font-weight: 600;
    color: #27ae60;
}

.modal-actions {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin-top: 30px;
}

.btn-primary, .btn-secondary {
    padding: 15px 30px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Open Sans', sans-serif;
}

.btn-primary {
    background: #27ae60;
    color: white;
}

.btn-primary:hover {
    background: #229954;
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: #2c3e50;
    border: 2px solid #27ae60;
}

.btn-secondary:hover {
    background: #ecf0f1;
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #2c5f2d 0%, #1e4620 100%);
    padding: 30px 0;
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    padding: 0 30px 30px 30px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: white;
}

.brand-icon {
    font-size: 32px;
}

.brand-name {
    font-size: 28px;
    font-weight: 700;
    font-family: 'Merriweather', serif;
}

.close-sidebar {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 32px;
    cursor: pointer;
    padding: 5px;
}

.sidebar-nav {
    padding: 30px 0;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 30px;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
    border-left: 4px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    border-left-color: #a8e6cf;
}

.nav-link.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border-left-color: #a8e6cf;
}

/* Main Wrapper */
.main-wrapper {
    margin-left: 280px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Top Bar */
.top-bar {
    background: white;
    padding: 20px 30px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    gap: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 28px;
    cursor: pointer;
    color: #2c5f2d;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: #2c5f2d;
    font-family: 'Merriweather', serif;
}

.header-icon {
    font-size: 28px;
}

/* Content */
.content {
    flex: 1;
    background: #f4f7f6;
}

.content-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

/* Welcome Banner */
.welcome-banner {
    background: linear-gradient(135deg, #a8e6cf 0%, #80cbc4 100%);
    padding: 80px 0;
    text-align: center;
    color: #1e4620;
}

.welcome-banner h1 {
    font-size: 56px;
    margin-bottom: 20px;
    font-weight: 700;
}

.tagline {
    font-size: 22px;
    opacity: 0.9;
}

/* Info Cards */
.info-cards {
    padding: 60px 0;
}

.card-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.info-card {
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.info-card:hover {
    transform: translateY(-5px);
}

.info-card.green {
    background: linear-gradient(135deg, #a8e6cf 0%, #88d8b0 100%);
}

.info-card.blue {
    background: linear-gradient(135deg, #b3e5fc 0%, #81d4fa 100%);
}

.info-card.amber {
    background: linear-gradient(135deg, #ffe082 0%, #ffd54f 100%);
}

.card-emoji {
    font-size: 48px;
    margin-bottom: 15px;
}

.info-card h3 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #1e4620;
}

.info-card p {
    font-size: 18px;
    margin-bottom: 10px;
    color: #2c5f2d;
    font-weight: 600;
}

.card-detail {
    font-size: 14px;
    color: #34495e;
}

/* Intro Text */
.intro-text {
    padding: 80px 0;
    background: white;
}

.intro-text h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 50px;
    color: #2c5f2d;
}

.text-columns {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.column p {
    font-size: 17px;
    margin-bottom: 20px;
    line-height: 1.8;
    color: #34495e;
}

/* Featured Game */
.featured-game {
    padding: 80px 0;
    background: #f4f7f6;
}

.featured-game h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 20px;
    color: #2c5f2d;
}

.section-intro {
    text-align: center;
    font-size: 18px;
    margin-bottom: 40px;
    color: #7f8c8d;
}

.game-wrapper {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    margin-bottom: 30px;
}

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

.game-notice {
    background: #fff9e6;
    padding: 20px;
    border-radius: 8px;
    border-left: 4px solid #f39c12;
}

.game-notice p {
    font-size: 16px;
    color: #34495e;
}

/* Value Props */
.value-props {
    padding: 80px 0;
    background: white;
}

.value-props h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 60px;
    color: #2c5f2d;
}

.props-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
}

.prop-item {
    text-align: center;
}

.prop-icon {
    font-size: 56px;
    display: block;
    margin-bottom: 20px;
}

.prop-item h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: #2c5f2d;
}

.prop-item p {
    font-size: 16px;
    color: #7f8c8d;
    line-height: 1.7;
}

/* Responsibility Block */
.responsibility-block {
    padding: 80px 0;
    background: #ecf0f1;
}

.responsibility-block h2 {
    font-size: 42px;
    text-align: center;
    margin-bottom: 40px;
    color: #2c5f2d;
}

.responsibility-content > p {
    font-size: 18px;
    margin-bottom: 40px;
    text-align: center;
    color: #34495e;
}

.responsibility-list {
    display: grid;
    gap: 30px;
}

.resp-item {
    display: flex;
    gap: 25px;
    align-items: flex-start;
}

.resp-number {
    font-size: 36px;
    font-weight: 700;
    color: #27ae60;
    font-family: 'Merriweather', serif;
    flex-shrink: 0;
}

.resp-text h4 {
    font-size: 22px;
    margin-bottom: 10px;
    color: #2c5f2d;
}

.resp-text p {
    font-size: 16px;
    color: #7f8c8d;
    line-height: 1.7;
}

/* Page Header */
.page-header {
    background: linear-gradient(135deg, #a8e6cf 0%, #80cbc4 100%);
    padding: 60px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 48px;
    margin-bottom: 15px;
    color: #1e4620;
}

.page-subtitle {
    font-size: 20px;
    color: #2c5f2d;
}

/* Play Instructions */
.play-instructions {
    padding: 60px 0;
    background: white;
}

.play-instructions h2 {
    font-size: 36px;
    margin-bottom: 40px;
    text-align: center;
    color: #2c5f2d;
}

.instruction-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.instruction-card {
    background: #f8f9fa;
    padding: 30px;
    border-radius: 10px;
    text-align: center;
}

.inst-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 20px;
}

.instruction-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: #2c5f2d;
}

.instruction-card p {
    font-size: 15px;
    color: #7f8c8d;
    line-height: 1.6;
}

/* Game Area */
.game-area {
    padding: 60px 0;
}

.play-disclaimer {
    background: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    margin-top: 30px;
}

.play-disclaimer h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c5f2d;
}

.play-disclaimer ul {
    list-style-position: inside;
}

.play-disclaimer li {
    font-size: 16px;
    margin-bottom: 10px;
    color: #34495e;
}

/* Support Section */
.support-section {
    padding: 60px 0;
    background: white;
}

.support-section h2 {
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;
    color: #2c5f2d;
}

.support-section > p {
    font-size: 18px;
    margin-bottom: 25px;
    color: #34495e;
}

.support-list {
    list-style-position: inside;
    margin-bottom: 30px;
}

.support-list li {
    font-size: 16px;
    margin-bottom: 12px;
    color: #7f8c8d;
}

.support-note {
    background: #e8f5e9;
    padding: 20px;
    border-radius: 8px;
    font-style: italic;
}

/* Entertainment Reminder */
.entertainment-reminder {
    padding: 60px 0;
    background: #f4f7f6;
}

.reminder-box {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.reminder-box h3 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #2c5f2d;
}

.reminder-box p {
    font-size: 17px;
    margin-bottom: 20px;
    color: #34495e;
    line-height: 1.8;
}

/* Legal Page */
.legal-page {
    padding: 60px 0;
    background: white;
}

.legal-page h1 {
    font-size: 48px;
    margin-bottom: 15px;
    color: #2c5f2d;
}

.update-date {
    font-size: 16px;
    color: #7f8c8d;
    margin-bottom: 40px;
}

.legal-section {
    margin-bottom: 40px;
}

.legal-section h2 {
    font-size: 28px;
    margin-bottom: 20px;
    color: #2c5f2d;
}

.legal-section h3 {
    font-size: 22px;
    margin-top: 20px;
    margin-bottom: 15px;
    color: #34495e;
}

.legal-section p {
    font-size: 16px;
    margin-bottom: 15px;
    color: #34495e;
    line-height: 1.8;
}

.legal-section ul {
    margin: 15px 0 15px 30px;
}

.legal-section li {
    font-size: 16px;
    margin-bottom: 10px;
    color: #34495e;
    line-height: 1.7;
}

.legal-section a {
    color: #27ae60;
    text-decoration: none;
}

.legal-section a:hover {
    text-decoration: underline;
}

/* Footer */
.page-footer {
    background: #2c3e50;
    color: white;
    padding: 60px 0 30px 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: #a8e6cf;
}

.footer-col p {
    font-size: 15px;
    line-height: 1.7;
    color: #bdc3c7;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 12px;
}

.footer-col a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-col a:hover {
    color: #a8e6cf;
}

.footer-legal {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-legal p {
    font-size: 14px;
    color: #95a5a6;
}

/* Mobile Responsive */
@media (max-width: 968px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .close-sidebar {
        display: block;
    }

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

    .menu-toggle {
        display: block;
    }

    .welcome-banner h1 {
        font-size: 42px;
    }

    .page-header h1 {
        font-size: 36px;
    }
}

@media (max-width: 768px) {
    .modal-box {
        margin: 20px;
        padding: 40px 25px;
    }

    .modal-actions {
        flex-direction: column;
        width: 100%;
    }

    .btn-primary, .btn-secondary {
        width: 100%;
    }

    .welcome-banner {
        padding: 60px 0;
    }

    .welcome-banner h1 {
        font-size: 36px;
    }

    .tagline {
        font-size: 18px;
    }

    .game-embed {
        height: 400px;
    }

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

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

@media (max-width: 480px) {
    .content-inner {
        padding: 0 20px;
    }

    .welcome-banner h1 {
        font-size: 28px;
    }

    .game-embed {
        height: 300px;
    }
}