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

body {
    font-family: 'Exo 2', sans-serif;
    background: #f8f9fa;
    color: #2d3748;
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Age Overlay */
.age-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
}

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

.age-panel {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
}

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

.age-panel h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #14b8a6;
    font-weight: 800;
}

.age-panel p {
    margin-bottom: 0.75rem;
    font-size: 1.1rem;
    color: #4a5568;
}

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

.btn-accept, .btn-reject {
    flex: 1;
    padding: 1rem;
    font-size: 1rem;
    font-family: 'Exo 2', sans-serif;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-accept {
    background: #14b8a6;
    color: white;
}

.btn-accept:hover {
    background: #0d9488;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(20, 184, 166, 0.4);
}

.btn-reject {
    background: #ef4444;
    color: white;
}

.btn-reject:hover {
    background: #dc2626;
}

/* Header */
.header {
    background: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: #14b8a6;
    text-decoration: none;
}

.logo span {
    color: #2d3748;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-btn span {
    width: 30px;
    height: 3px;
    background: #14b8a6;
    border-radius: 3px;
    transition: all 0.3s;
}

.navigation {
    display: flex;
    gap: 2rem;
}

.navigation a {
    color: #2d3748;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05rem;
    transition: color 0.3s;
    position: relative;
}

.navigation a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 3px;
    background: #14b8a6;
    transition: width 0.3s;
}

.navigation a:hover {
    color: #14b8a6;
}

.navigation a:hover::after {
    width: 100%;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(135deg, #14b8a6, #0d9488);
    padding: 6rem 0;
    text-align: center;
    color: white;
}

.hero-content h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
}

.hero-desc {
    font-size: 1.4rem;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn-hero {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: white;
    color: #14b8a6;
    font-size: 1.2rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 50px;
    transition: all 0.3s;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.btn-hero:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
}

/* Info Banner */
.info-banner {
    padding: 4rem 0;
    background: white;
}

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

.info-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.info-emoji {
    font-size: 2.5rem;
}

.info-item h3 {
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: #14b8a6;
    font-weight: 700;
}

.info-item p {
    color: #4a5568;
}

/* About Area */
.about-area {
    padding: 5rem 0;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.about-content h2 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: #2d3748;
    font-weight: 800;
}

.about-content p {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: #4a5568;
}

.about-features {
    display: grid;
    gap: 1.5rem;
}

.feature-box {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #14b8a6;
}

.feature-box h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
    font-weight: 700;
}

.feature-box p {
    color: #4a5568;
}

/* Game Display */
.game-display {
    padding: 5rem 0;
    background: white;
}

.game-header {
    text-align: center;
    margin-bottom: 3rem;
}

.game-header h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: #2d3748;
    font-weight: 800;
}

.game-header p {
    font-size: 1.2rem;
    color: #4a5568;
}

.game-frame {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.game-frame iframe {
    width: 100%;
    height: 750px;
    border: none;
}

/* Advantages Section */
.advantages-section {
    padding: 5rem 0;
}

.advantages-section h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 4rem;
    color: #2d3748;
    font-weight: 800;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2.5rem;
}

.advantage-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s;
}

.advantage-card:hover {
    transform: translateY(-10px);
}

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

.advantage-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: #14b8a6;
    font-weight: 700;
}

.advantage-card p {
    color: #4a5568;
}

/* Responsibility Banner */
.responsibility-banner {
    padding: 4rem 0;
    background: #14b8a6;
    color: white;
    text-align: center;
}

.responsibility-banner h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.responsibility-banner p {
    font-size: 1.1rem;
    max-width: 900px;
    margin: 0 auto;
}

/* Play Page */
.play-header {
    padding: 4rem 0;
    text-align: center;
    background: linear-gradient(135deg, #14b8a6, #0d9488);
    color: white;
}

.play-header h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    font-weight: 800;
}

.play-header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
}

.play-area {
    padding: 3rem 0;
    background: white;
}

.game-container-full {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.game-container-full iframe {
    width: 100%;
    height: 850px;
    border: none;
}

.play-info {
    padding: 5rem 0;
}

.play-info h2 {
    font-size: 3rem;
    text-align: center;
    margin-bottom: 3rem;
    color: #2d3748;
    font-weight: 800;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.info-block {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.info-block h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: #14b8a6;
    font-weight: 700;
}

.info-block p {
    color: #4a5568;
}

/* Legal Document */
.legal-document {
    padding: 5rem 0;
}

.legal-document h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
    color: #2d3748;
    font-weight: 800;
}

.doc-updated {
    font-size: 0.95rem;
    color: #718096;
    margin-bottom: 3rem;
}

.legal-document h2 {
    font-size: 2rem;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    color: #14b8a6;
    font-weight: 700;
}

.legal-document p {
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
    color: #4a5568;
    line-height: 1.8;
}

.critical-notice {
    background: linear-gradient(135deg, #14b8a6, #0d9488);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 3rem;
    color: white;
}

.critical-notice h2 {
    color: white;
    margin-top: 0;
}

.critical-notice p {
    color: white;
}

/* Footer */
.footer {
    background: #2d3748;
    color: #e2e8f0;
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
}

.footer-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: #cbd5e0;
}

.footer-section h4 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: white;
    font-weight: 700;
}

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

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

.footer-section a {
    color: #cbd5e0;
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: #14b8a6;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #4a5568;
    color: #cbd5e0;
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .navigation {
        position: fixed;
        top: 65px;
        right: -100%;
        flex-direction: column;
        background: white;
        width: 100%;
        padding: 2rem;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
        transition: right 0.3s;
    }

    .navigation.active {
        right: 0;
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    .about-layout {
        grid-template-columns: 1fr;
    }

    .game-frame iframe {
        height: 550px;
    }

    .game-container-full iframe {
        height: 650px;
    }

    .play-header h1 {
        font-size: 2.5rem;
    }

    .legal-document h1 {
        font-size: 2.5rem;
    }
}