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

body {
    font-family: 'Rajdhani', sans-serif;
    background: linear-gradient(180deg, #0a0e27 0%, #1e293b 50%, #0f172a 100%);
    color: #e2e8f0;
    line-height: 1.6;
    min-height: 100vh;
}

.section-container {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 25px;
}

/* Navigation */
.top-nav {
    background: rgba(6, 182, 212, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 2px solid #06b6d4;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 900;
}

.nav-wrapper {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    text-decoration: none;
    transition: transform 0.3s;
}

.site-logo:hover {
    transform: scale(1.05);
}

.logo-symbol {
    font-size: 2rem;
    color: #06b6d4;
}

.logo-text {
    font-size: 1.9rem;
    font-weight: 700;
    color: #06b6d4;
    letter-spacing: 3px;
}

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

.menu-item {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: color 0.3s;
    letter-spacing: 1px;
}

.menu-item:hover {
    color: #06b6d4;
}

.menu-btn {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.btn-line {
    width: 30px;
    height: 3px;
    background: #06b6d4;
    margin: 4px 0;
    transition: 0.3s;
    border-radius: 3px;
}

/* Age Verification Modal */
.age-verify-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.age-verify-modal.hidden {
    display: none;
}

.verify-container {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border: 3px solid #06b6d4;
    border-radius: 20px;
    max-width: 600px;
    box-shadow: 0 0 50px rgba(6, 182, 212, 0.5);
    overflow: hidden;
}

.verify-header {
    background: rgba(6, 182, 212, 0.2);
    padding: 2rem;
    text-align: center;
    border-bottom: 2px solid #06b6d4;
}

.verify-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #06b6d4;
}

.verify-content {
    padding: 2.5rem;
    text-align: center;
}

.verify-content p {
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.age-prompt {
    font-size: 1.4rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 2rem;
}

.verify-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.verify-btn {
    padding: 1rem 3rem;
    font-size: 1.2rem;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    font-family: 'Rajdhani', sans-serif;
    transition: all 0.3s;
    letter-spacing: 1px;
}

.yes-btn {
    background: #06b6d4;
    color: #0a0e27;
}

.no-btn {
    background: #475569;
    color: #e2e8f0;
}

.verify-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 20px rgba(6, 182, 212, 0.4);
}

/* Hero Section */
.hero-section {
    padding: 4rem 0;
    text-align: center;
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 25px;
}

.main-heading {
    font-size: 3.5rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 1.5rem;
    text-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.9;
    margin-bottom: 2.5rem;
    max-width: 950px;
    margin-left: auto;
    margin-right: auto;
}

.key-points {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.point-item {
    background: rgba(6, 182, 212, 0.1);
    border: 2px solid #06b6d4;
    padding: 1rem 2rem;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    font-size: 1.1rem;
}

.point-icon {
    color: #06b6d4;
    font-size: 1.5rem;
}

/* Mission Section */
.mission-section {
    padding: 4rem 0;
    background: rgba(6, 182, 212, 0.05);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 3rem;
}

.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.mission-card {
    background: rgba(30, 41, 59, 0.5);
    border: 2px solid rgba(6, 182, 212, 0.3);
    padding: 2.5rem;
    border-radius: 15px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.mission-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(6, 182, 212, 0.3);
}

.card-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.card-heading {
    font-size: 1.7rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 1rem;
}

.card-text {
    line-height: 1.8;
    font-size: 1.1rem;
}

/* Game Display Section */
.game-display-section {
    padding: 4rem 0;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
}

.game-display-box {
    background: rgba(30, 41, 59, 0.5);
    border: 3px solid #06b6d4;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: 0 0 30px rgba(6, 182, 212, 0.3);
}

.game-embed {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 10px;
}

/* Disclaimer Section */
.disclaimer-section {
    padding: 4rem 0;
}

.disclaimer-box {
    background: rgba(6, 182, 212, 0.1);
    border: 3px solid #06b6d4;
    padding: 2.5rem;
    border-radius: 15px;
}

.disclaimer-heading {
    font-size: 2.2rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 1.5rem;
    text-align: center;
}

.disclaimer-grid {
    display: grid;
    gap: 1.5rem;
}

.disclaimer-point {
    background: rgba(30, 41, 59, 0.5);
    padding: 1.5rem;
    border-radius: 10px;
    border-left: 4px solid #06b6d4;
    font-size: 1.1rem;
    line-height: 1.8;
}

.disclaimer-point strong {
    color: #06b6d4;
}

/* Advantages Section */
.advantages-section {
    padding: 4rem 0;
    background: rgba(6, 182, 212, 0.05);
}

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

.advantage-box {
    background: rgba(30, 41, 59, 0.5);
    border: 2px solid rgba(6, 182, 212, 0.3);
    padding: 2rem;
    border-radius: 12px;
}

.advantage-number {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(6, 182, 212, 0.3);
    line-height: 1;
    margin-bottom: 1rem;
}

.advantage-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 0.8rem;
}

.advantage-desc {
    line-height: 1.8;
    font-size: 1.1rem;
}

/* Footer */
.site-footer {
    background: rgba(10, 14, 39, 0.8);
    border-top: 2px solid #06b6d4;
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-wrapper {
    max-width: 1500px;
    margin: 0 auto;
    padding: 0 25px;
}

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

.footer-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 1rem;
}

.footer-description {
    line-height: 1.8;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.7rem;
}

.footer-link {
    color: #e2e8f0;
    text-decoration: none;
    transition: color 0.3s;
    font-size: 1.05rem;
}

.footer-link:hover {
    color: #06b6d4;
}

.footer-end {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(6, 182, 212, 0.3);
}

/* Play Page */
.play-header-section {
    padding: 3rem 0 2rem;
    text-align: center;
}

.page-heading {
    font-size: 3rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 1rem;
}

.page-intro {
    font-size: 1.25rem;
    line-height: 1.8;
}

.play-details-section {
    padding: 2rem 0 4rem;
}

.details-panel {
    background: rgba(6, 182, 212, 0.1);
    border: 2px solid rgba(6, 182, 212, 0.3);
    padding: 2.5rem;
    border-radius: 15px;
    margin-bottom: 3rem;
}

.panel-heading {
    font-size: 2.2rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 1.5rem;
}

.details-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.detail-block {
    background: rgba(30, 41, 59, 0.5);
    padding: 1.5rem;
    border-radius: 10px;
}

.detail-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 0.8rem;
}

.detail-info {
    line-height: 1.8;
}

.play-game-area {
    margin-bottom: 3rem;
}

.play-notice-box {
    background: rgba(6, 182, 212, 0.1);
    border: 3px solid #06b6d4;
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    font-size: 1.1rem;
}

/* Document Pages */
.document-section {
    padding: 3rem 0 4rem;
}

.document-heading {
    font-size: 3rem;
    font-weight: 700;
    color: #06b6d4;
    margin-bottom: 0.5rem;
}

.document-date {
    font-style: italic;
    margin-bottom: 2.5rem;
    opacity: 0.8;
}

.document-content {
    background: rgba(30, 41, 59, 0.5);
    border: 2px solid rgba(6, 182, 212, 0.3);
    padding: 3rem;
    border-radius: 15px;
    line-height: 1.9;
}

.document-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #06b6d4;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
}

.document-content h2:first-child {
    margin-top: 0;
}

.document-content p {
    margin-bottom: 1.2rem;
}

.document-content ul {
    margin-left: 2rem;
    margin-bottom: 1.2rem;
}

.document-content li {
    margin-bottom: 0.7rem;
}

.document-content a {
    color: #06b6d4;
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .menu-btn {
        display: flex;
        z-index: 901;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
        flex-direction: column;
        padding: 5rem 2rem;
        transition: right 0.3s;
        border-left: 2px solid #06b6d4;
    }

    .nav-menu.active {
        right: 0;
    }

    .main-heading {
        font-size: 2.2rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .key-points {
        flex-direction: column;
        align-items: center;
    }

    .game-embed {
        height: 450px;
    }

    .verify-container {
        margin: 1rem;
    }

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

    .document-content {
        padding: 1.5rem;
    }
}