@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&family=Exo+2:wght@300;400;600&display=swap');

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

:root {
    --primary: #00ffcc;
    --secondary: #7b2ff7;
    --dark: #0a0e27;
    --darker: #050811;
    --light: #f0f4f8;
    --accent: #ff0080;
}

body {
    font-family: 'Exo 2', sans-serif;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    color: var(--light);
    line-height: 1.6;
    min-height: 100vh;
}

header {
    background: rgba(10, 14, 39, 0.95);
    backdrop-filter: blur(10px);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 2px solid var(--primary);
}

.container {
    max-width: 100%;
    margin: 0 auto;
    padding: 0 2rem;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

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

.nav-links a {
    color: var(--light);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s;
}

.nav-links a:hover::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary);
    transition: all 0.3s;
}

.hero {
    padding: 5rem 0;
    text-align: center;
}

.hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    color: var(--light);
    opacity: 0.9;
}

.notice-box {
    background: rgba(123, 47, 247, 0.1);
    border: 2px solid var(--secondary);
    border-radius: 15px;
    padding: 2rem;
    margin: 3rem auto;
    max-width: 800px;
}

.notice-box h2 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
}

.notice-box ul {
    list-style: none;
    padding: 0;
}

.notice-box li {
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.notice-box li::before {
    content: '⚡';
    font-size: 1.2rem;
}

.game-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 2rem;
    margin: 3rem 0;
    border: 1px solid rgba(0, 255, 204, 0.3);
}

.game-container h2 {
    text-align: center;
    color: var(--primary);
    margin-bottom: 2rem;
    font-family: 'Orbitron', sans-serif;
}

.game-frame {
    width: 100%;
    height: 700px;
    border: none;
    border-radius: 10px;
    background: #000;
}

.content-section {
    padding: 3rem 0;
}

.content-section h2 {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 2.5rem;
}

.content-section p {
    margin-bottom: 1rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 15px;
    border: 1px solid rgba(0, 255, 204, 0.3);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.feature-card h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
}

footer {
    background: var(--darker);
    padding: 3rem 0 1.5rem;
    margin-top: 5rem;
    border-top: 2px solid var(--primary);
}

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

.footer-section h3 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-family: 'Orbitron', sans-serif;
}

.footer-section a {
    color: var(--light);
    text-decoration: none;
    display: block;
    margin: 0.5rem 0;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(240, 244, 248, 0.7);
}

.age-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    z-index: 10000;
    align-items: center;
    justify-content: center;
}

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

.age-modal-content {
    background: linear-gradient(135deg, var(--dark), var(--darker));
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    max-width: 500px;
    border: 2px solid var(--primary);
}

.age-modal-content h2 {
    font-family: 'Orbitron', sans-serif;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-size: 2rem;
}

.age-modal-content p {
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.age-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    font-family: 'Orbitron', sans-serif;
}

.btn-yes {
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    color: var(--dark);
}

.btn-yes:hover {
    transform: scale(1.05);
    box-shadow: 0 0 20px var(--primary);
}

.btn-no {
    background: rgba(255, 0, 128, 0.2);
    color: var(--accent);
    border: 2px solid var(--accent);
}

.btn-no:hover {
    background: var(--accent);
    color: white;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(10, 14, 39, 0.98);
        width: 100%;
        text-align: center;
        transition: left 0.3s;
        padding: 2rem 0;
        gap: 0;
    }

    .nav-links.active {
        left: 0;
    }

    .nav-links li {
        padding: 1rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

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

    .game-frame {
        height: 500px;
    }

    .age-modal-content {
        margin: 1rem;
        padding: 2rem;
    }

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