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

body {
    font-family: 'Roboto', sans-serif;
    background: #0d0d1a;
    color: #e0e0e0;
    line-height: 1.6;
}

.card-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 4px;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.nav-links {
    display: flex;
    gap: 35px;
}

.nav-item {
    color: #e0e0e0;
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: #00ffff;
    transition: width 0.3s ease;
}

.nav-item:hover::before,
.nav-item.active::before {
    width: 100%;
}

.nav-item:hover,
.nav-item.active {
    color: #00ffff;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.5);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger .line {
    width: 28px;
    height: 3px;
    background: #00ffff;
    transition: 0.3s;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #1a1a2e 0%, #0d0d1a 100%);
    padding: 120px 20px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 72px;
    font-weight: 900;
    letter-spacing: 8px;
    color: #00ffff;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.7), 0 0 40px rgba(0, 255, 255, 0.5);
    margin-bottom: 20px;
}

.hero-tagline {
    font-size: 24px;
    color: #b8b8b8;
    font-weight: 300;
    letter-spacing: 2px;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.2) 0%, transparent 70%);
    pointer-events: none;
}

/* Intro Cards */
.intro-cards {
    padding: 80px 20px;
    background: #0d0d1a;
}

.intro-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 50px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    box-shadow: 0 8px 30px rgba(0, 255, 255, 0.1);
}

.intro-card h2 {
    font-size: 36px;
    color: #00ffff;
    margin-bottom: 25px;
    font-weight: 700;
}

.intro-card p {
    font-size: 17px;
    color: #c0c0c0;
    line-height: 1.9;
    margin-bottom: 20px;
}

/* Warning Section */
.warning-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #16213e 0%, #1a1a2e 100%);
}

.section-heading {
    font-size: 42px;
    text-align: center;
    color: #00ffff;
    margin-bottom: 50px;
    font-weight: 700;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.warning-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.warning-card {
    background: #0d0d1a;
    padding: 35px;
    border-radius: 12px;
    border: 2px solid #00ffff;
    text-align: center;
    transition: all 0.3s ease;
}

.warning-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 255, 255, 0.3);
}

.warning-icon {
    font-size: 52px;
    margin-bottom: 20px;
}

.warning-card h3 {
    font-size: 24px;
    color: #00ffff;
    margin-bottom: 15px;
    font-weight: 700;
}

.warning-card p {
    font-size: 16px;
    color: #b8b8b8;
    line-height: 1.7;
}

/* Featured Game */
.featured-game {
    padding: 80px 20px;
    background: #0d0d1a;
}

.game-subtitle {
    text-align: center;
    font-size: 18px;
    color: #b8b8b8;
    max-width: 800px;
    margin: 0 auto 50px;
}

.game-wrapper {
    background: #000;
    padding: 20px;
    border-radius: 15px;
    border: 2px solid #00ffff;
    box-shadow: 0 0 30px rgba(0, 255, 255, 0.2);
}

.game-wrapper iframe {
    width: 100%;
    height: 600px;
    border: none;
    border-radius: 8px;
}

/* Features Section */
.features-section {
    padding: 80px 20px;
    background: linear-gradient(135deg, #1a1a2e 0%, #0d0d1a 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-box {
    background: rgba(22, 33, 62, 0.5);
    padding: 40px 30px;
    border-radius: 12px;
    border: 1px solid rgba(0, 255, 255, 0.3);
    text-align: center;
    transition: all 0.3s ease;
}

.feature-box:hover {
    border-color: #00ffff;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 255, 255, 0.2);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.feature-box h3 {
    font-size: 22px;
    color: #00ffff;
    margin-bottom: 15px;
    font-weight: 700;
}

.feature-box p {
    font-size: 15px;
    color: #b8b8b8;
    line-height: 1.7;
}

/* Page Title Section */
.page-title-section {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 80px 20px;
    text-align: center;
    border-bottom: 3px solid #00ffff;
}

.page-title {
    font-size: 56px;
    font-weight: 900;
    color: #00ffff;
    margin-bottom: 15px;
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.page-desc {
    font-size: 20px;
    color: #b8b8b8;
}

/* Game Guide */
.game-guide {
    padding: 60px 20px;
    background: #0d0d1a;
}

.guide-card {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 40px;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 255, 0.2);
    max-width: 900px;
    margin: 0 auto;
}

.guide-card h2 {
    font-size: 32px;
    color: #00ffff;
    margin-bottom: 25px;
}

.guide-card p {
    font-size: 16px;
    color: #c0c0c0;
    margin-bottom: 20px;
    line-height: 1.8;
}

.guide-card ul {
    margin: 20px 0 20px 30px;
}

.guide-card li {
    color: #b8b8b8;
    margin-bottom: 12px;
    line-height: 1.7;
}

/* Play Area */
.play-area {
    padding: 40px 20px 80px;
    background: #0d0d1a;
}

/* Terms Section */
.terms-section {
    padding: 60px 20px 80px;
    background: #0d0d1a;
}

.terms-block {
    background: rgba(26, 26, 46, 0.6);
    padding: 35px;
    margin-bottom: 30px;
    border-radius: 12px;
    border-left: 4px solid #00ffff;
}

.terms-block h2 {
    font-size: 26px;
    color: #00ffff;
    margin-bottom: 20px;
    font-weight: 700;
}

.terms-block p {
    font-size: 16px;
    color: #b8b8b8;
    margin-bottom: 15px;
    line-height: 1.8;
}

.terms-block ul {
    margin: 15px 0 15px 30px;
}

.terms-block li {
    color: #b8b8b8;
    margin-bottom: 10px;
    line-height: 1.7;
}

.terms-block a {
    color: #00ffff;
    text-decoration: none;
}

.terms-block a:hover {
    text-decoration: underline;
}

.terms-block.highlight {
    border: 2px solid #00ffff;
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.05) 0%, rgba(26, 26, 46, 0.8) 100%);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #16213e 0%, #1a1a2e 100%);
    padding: 60px 20px 40px;
    border-top: 3px solid #00ffff;
}

.footer h3 {
    text-align: center;
    font-size: 28px;
    color: #00ffff;
    margin-bottom: 20px;
    font-weight: 700;
}

.footer p {
    text-align: center;
    font-size: 16px;
    color: #b8b8b8;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.footer-links a {
    padding: 12px 30px;
    background: rgba(0, 255, 255, 0.1);
    color: #00ffff;
    text-decoration: none;
    border: 2px solid #00ffff;
    border-radius: 25px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.footer-links a:hover {
    background: #00ffff;
    color: #0d0d1a;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.footer-note {
    text-align: center;
    font-size: 14px;
    color: #666;
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(0, 255, 255, 0.2);
}

/* Age Gate */
.age-gate {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(13, 13, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 10000;
    justify-content: center;
    align-items: center;
}

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

.age-gate-box {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    padding: 50px;
    border-radius: 20px;
    border: 3px solid #00ffff;
    text-align: center;
    max-width: 500px;
    box-shadow: 0 0 50px rgba(0, 255, 255, 0.3);
}

.age-gate-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.age-gate-box h2 {
    font-size: 32px;
    color: #00ffff;
    margin-bottom: 20px;
    font-weight: 700;
}

.age-gate-box p {
    font-size: 17px;
    color: #b8b8b8;
    margin-bottom: 15px;
}

.age-gate-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 35px;
}

.age-gate-buttons button {
    padding: 15px 40px;
    font-size: 17px;
    font-weight: 700;
    border: 2px solid #00ffff;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: 'Roboto', sans-serif;
}

.age-accept {
    background: #00ffff;
    color: #0d0d1a;
}

.age-accept:hover {
    background: #00cccc;
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    transform: scale(1.05);
}

.age-reject {
    background: transparent;
    color: #00ffff;
}

.age-reject:hover {
    background: rgba(0, 255, 255, 0.1);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .nav-links.active {
        display: flex;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: #1a1a2e;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 4px 20px rgba(0, 255, 255, 0.2);
    }

    .hamburger {
        display: flex;
    }

    .hero-title {
        font-size: 42px;
    }

    .section-heading {
        font-size: 32px;
    }

    .page-title {
        font-size: 38px;
    }

    .game-wrapper iframe {
        height: 400px;
    }

    .age-gate-box {
        margin: 20px;
        padding: 35px;
    }

    .age-gate-buttons {
        flex-direction: column;
    }

    .footer-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
        letter-spacing: 4px;
    }

    .game-wrapper iframe {
        height: 300px;
    }

    .brand {
        font-size: 22px;
        letter-spacing: 2px;
    }
}