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

body {
    font-family: 'Open Sans', sans-serif;
    background: #1a1a1a;
    color: #fff;
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 2px;
}

/* Age Modal */
.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

.age-modal.show {
    display: flex;
}

.age-box {
    background: linear-gradient(135deg, #DC2626, #991B1B);
    padding: 3rem;
    border: 3px solid #FFD700;
    max-width: 500px;
    margin: 20px;
    text-align: center;
}

.age-symbol {
    font-size: 5rem;
    color: #FFD700;
    margin-bottom: 1rem;
}

.age-box h1 {
    color: #FFD700;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.age-text {
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.age-notice {
    font-size: 0.9rem;
    color: #FFD700;
    margin-bottom: 2rem;
    font-weight: 600;
}

.age-actions {
    display: flex;
    gap: 1rem;
}

.age-box button {
    flex: 1;
    padding: 1rem 2rem;
    border: 2px solid #FFD700;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.3rem;
    letter-spacing: 1px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-enter {
    background: #FFD700;
    color: #000;
}

.btn-exit {
    background: transparent;
    color: #FFD700;
}

.age-box button:hover {
    transform: scale(1.05);
}

/* Top Bar */
.top-bar {
    background: #000;
    padding: 0.8rem 0;
    border-bottom: 2px solid #FFD700;
}

.top-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 1rem;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.1rem;
    letter-spacing: 1px;
}

/* Header */
.header {
    background: #DC2626;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-text {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 2.5rem;
    color: #FFD700;
    letter-spacing: 3px;
}

.hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.hamburger-menu span {
    width: 30px;
    height: 3px;
    background: #FFD700;
    transition: 0.3s;
}

.main-navigation {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: #FFD700;
    text-decoration: none;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.4rem;
    letter-spacing: 2px;
    transition: color 0.3s;
    border-bottom: 3px solid transparent;
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
    border-bottom-color: #FFD700;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #000 0%, #DC2626 100%);
    padding: 5rem 2rem;
    text-align: center;
    border-bottom: 5px solid #FFD700;
}

.hero-title {
    font-size: 4rem;
    color: #FFD700;
    margin-bottom: 1rem;
    text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.8);
}

.hero-desc {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    color: #fff;
}

.btn-play {
    display: inline-block;
    padding: 1.2rem 3rem;
    background: #FFD700;
    color: #000;
    text-decoration: none;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.8rem;
    letter-spacing: 2px;
    border: 3px solid #FFD700;
    transition: all 0.3s;
}

.btn-play:hover {
    background: transparent;
    color: #FFD700;
    transform: scale(1.1);
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 0;
}

.info-item {
    padding: 3rem 2rem;
    text-align: center;
    border-right: 2px solid #000;
}

.info-item:last-child {
    border-right: none;
}

.info-item.red {
    background: #DC2626;
}

.info-item.gold {
    background: #FFD700;
    color: #000;
}

.info-item.black {
    background: #000;
}

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

.info-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.info-item p {
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Main Section */
.main-section {
    background: #1a1a1a;
    padding: 5rem 0;
}

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

.main-section h2 {
    font-size: 3rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 2rem;
}

.text-block p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
    color: #ddd;
}

/* Game Section */
.game-section {
    background: #000;
    padding: 5rem 0;
}

.game-section h2 {
    font-size: 3rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 1rem;
}

.game-intro {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: #ddd;
}

.game-frame-wrapper {
    border: 5px solid #FFD700;
    margin-bottom: 2rem;
}

.game-frame {
    width: 100%;
    height: 600px;
    border: none;
    display: block;
}

.game-info-box {
    background: #DC2626;
    padding: 2rem;
    border: 3px solid #FFD700;
}

.game-info-box h3 {
    color: #FFD700;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.game-info-box p {
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Features Section */
.features-section {
    background: #1a1a1a;
    padding: 5rem 0;
}

.features-section h2 {
    font-size: 3rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 3rem;
}

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

.feature-box {
    background: #000;
    padding: 2rem;
    border: 2px solid #DC2626;
    transition: transform 0.3s, border-color 0.3s;
}

.feature-box:hover {
    transform: translateY(-5px);
    border-color: #FFD700;
}

.feature-box h3 {
    color: #FFD700;
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.feature-box p {
    color: #ddd;
    line-height: 1.7;
}

/* Responsibility Section */
.responsibility-section {
    background: #DC2626;
    padding: 5rem 0;
}

.responsibility-section h2 {
    font-size: 3rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 2rem;
}

.responsibility-section p {
    font-size: 1.1rem;
    line-height: 1.9;
    margin-bottom: 1.5rem;
}

/* Play Content */
.play-content {
    background: #1a1a1a;
    padding: 4rem 0;
    min-height: 100vh;
}

.play-content h1 {
    font-size: 4rem;
    color: #FFD700;
    text-align: center;
    margin-bottom: 0.5rem;
}

.play-subtitle {
    text-align: center;
    font-size: 1.3rem;
    color: #ddd;
    margin-bottom: 3rem;
}

.controls-panel {
    background: #000;
    border: 3px solid #FFD700;
    padding: 2rem;
    margin-bottom: 3rem;
}

.controls-panel h3 {
    color: #FFD700;
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.controls-list {
    display: grid;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.control-item {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1rem;
}

.control-label {
    color: #FFD700;
    font-weight: 700;
    font-family: 'Bebas Neue', sans-serif;
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.control-desc {
    color: #ddd;
}

.tech-requirements {
    color: #FFD700;
    font-size: 0.95rem;
    padding-top: 1rem;
    border-top: 2px solid #DC2626;
}

.critical-notice {
    background: #FFD700;
    color: #000;
    padding: 2rem;
    border: 3px solid #DC2626;
}

.critical-notice h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.critical-notice p {
    font-size: 1.1rem;
    line-height: 1.8;
    font-weight: 600;
}

/* Legal Page */
.legal-page {
    background: #1a1a1a;
    padding: 4rem 0;
    min-height: 100vh;
}

.legal-page h1 {
    font-size: 4rem;
    color: #FFD700;
    margin-bottom: 0.5rem;
}

.date-stamp {
    color: #999;
    font-style: italic;
    margin-bottom: 3rem;
}

.legal-block {
    margin-bottom: 2.5rem;
}

.legal-block h2 {
    color: #FFD700;
    font-size: 2rem;
    margin-bottom: 1rem;
}

.legal-block p {
    color: #ddd;
    line-height: 1.8;
    margin-bottom: 1rem;
}

.legal-block ul {
    margin: 1rem 0 1rem 2rem;
    color: #ddd;
    line-height: 1.8;
}

.alert-box {
    background: #FFD700;
    color: #000;
    padding: 2rem;
    border: 3px solid #DC2626;
    margin-bottom: 3rem;
}

.alert-box h2 {
    color: #DC2626;
    margin-bottom: 1rem;
}

.summary-panel {
    background: #DC2626;
    border: 3px solid #FFD700;
    padding: 2rem;
    text-align: center;
    margin-top: 3rem;
}

.summary-panel h3 {
    color: #FFD700;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.summary-panel p {
    font-size: 1.3rem;
    font-weight: 700;
}

/* Footer */
.footer {
    background: #000;
    border-top: 5px solid #FFD700;
    padding: 3rem 0 1.5rem;
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    color: #FFD700;
    font-size: 1.8rem;
    margin-bottom: 1rem;
    font-family: 'Bebas Neue', sans-serif;
    letter-spacing: 2px;
}

.footer-section p {
    color: #ddd;
    line-height: 1.7;
}

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

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

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

.footer-section a:hover {
    color: #FFD700;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 2px solid #DC2626;
    color: #999;
    max-width: 1400px;
    margin: 0 auto;
    padding-left: 2rem;
    padding-right: 2rem;
}

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

    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #DC2626;
        flex-direction: column;
        padding: 1rem;
        gap: 0.5rem;
    }

    .main-navigation.active {
        display: flex;
    }

    .nav-link {
        padding: 0.8rem;
        border-bottom: 2px solid #000;
    }

    .hero-title {
        font-size: 2.5rem;
    }

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

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

    .info-item {
        border-right: none;
        border-bottom: 2px solid #000;
    }

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

    .game-frame {
        height: 400px;
    }

    .control-item {
        grid-template-columns: 1fr;
    }

    .top-content {
        font-size: 0.9rem;
    }

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