@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800&family=Roboto:wght@300;400;500&display=swap');

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

:root {
    --bg-primary: #0c0c1e;
    --bg-secondary: #151530;
    --accent-blue: #4f8cff;
    --accent-purple: #9d4edd;
    --text-main: #e8e8f0;
    --text-muted: #8b8ba7;
}

body {
    font-family: 'Roboto', sans-serif;
    background: var(--bg-primary);
    color: var(--text-main);
    min-height: 100vh;
    line-height: 1.75;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
}

a {
    color: var(--accent-blue);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--accent-purple);
}

.navbar {
    background: linear-gradient(180deg, var(--bg-secondary), rgba(21, 21, 48, 0.9));
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

.navbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-mark svg {
    width: 44px;
    height: 44px;
}

.brand-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.menu-icon span {
    width: 28px;
    height: 3px;
    background: var(--accent-blue);
    transition: 0.3s;
}

.menu-icon.active span:first-child {
    transform: rotate(45deg) translate(6px, 5px);
}

.menu-icon.active span:nth-child(2) {
    opacity: 0;
}

.menu-icon.active span:last-child {
    transform: rotate(-45deg) translate(6px, -5px);
}

.nav-list ul {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-list a {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-list a:hover {
    color: var(--accent-blue);
}

.main-area {
    padding-top: 80px;
}

.hero {
    padding: 7rem 2rem 5rem;
    text-align: center;
    background: radial-gradient(ellipse at top, rgba(79, 140, 255, 0.1) 0%, transparent 50%);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero .description {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.primary-btn {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    color: white;
    padding: 1rem 3rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    font-size: 0.95rem;
    border-radius: 8px;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s;
}

.primary-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(79, 140, 255, 0.3);
    color: white;
}

.alerts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 3rem 2rem;
}

.alert-box {
    background: var(--bg-secondary);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid rgba(79, 140, 255, 0.1);
    transition: all 0.3s;
}

.alert-box:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
}

.alert-box .icon {
    font-size: 2.8rem;
    margin-bottom: 1.2rem;
}

.alert-box h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--accent-blue);
}

.alert-box p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.game-section {
    padding: 5rem 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.game-section h2 {
    text-align: center;
    font-size: 2.4rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
}

.game-section h2 .gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.game-section .subtitle {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.game-frame {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: var(--bg-secondary);
    border: 1px solid rgba(79, 140, 255, 0.2);
}

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

.features {
    background: var(--bg-secondary);
    padding: 4rem 2rem;
    margin: 3rem 0;
}

.features h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
}

.features-row {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    max-width: 1000px;
    margin: 0 auto;
}

.feature {
    text-align: center;
    min-width: 150px;
}

.feature .symbol {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
}

.feature h4 {
    color: var(--accent-blue);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.feature p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.content-area {
    padding: 4rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.content-area h1 {
    font-size: 2.6rem;
    font-weight: 800;
    margin-bottom: 2rem;
    text-align: center;
}

.content-area h1 .gradient {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.content-area h2 {
    color: var(--accent-blue);
    font-size: 1.3rem;
    font-weight: 700;
    margin: 2.5rem 0 1rem;
}

.content-area p {
    color: var(--text-muted);
    margin-bottom: 1.2rem;
}

.content-area ul {
    color: var(--text-muted);
    margin: 1rem 0 1.5rem 1.8rem;
}

.content-area li {
    margin-bottom: 0.5rem;
}

.footer {
    background: var(--bg-secondary);
    padding: 2.5rem 2rem;
    border-top: 1px solid rgba(79, 140, 255, 0.1);
}

.footer-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    margin-bottom: 1.2rem;
}

.footer-links a {
    margin: 0 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-inner .copyright {
    color: var(--text-muted);
    font-size: 0.85rem;
    opacity: 0.7;
}

.age-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 12, 30, 0.98);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.age-card {
    background: var(--bg-secondary);
    padding: 3rem;
    border-radius: 16px;
    max-width: 450px;
    text-align: center;
    border: 1px solid var(--accent-blue);
}

.age-card h2 {
    font-size: 1.7rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.age-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

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

.age-actions button {
    padding: 0.9rem 2rem;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-enter {
    background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
    border: none;
    color: white;
}

.btn-enter:hover {
    box-shadow: 0 5px 25px rgba(79, 140, 255, 0.4);
}

.btn-leave {
    background: transparent;
    border: 2px solid var(--text-muted);
    color: var(--text-muted);
}

.btn-leave:hover {
    border-color: var(--text-main);
    color: var(--text-main);
}

.hidden {
    display: none !important;
}

@media (max-width: 900px) {
    .alerts {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-icon {
        display: flex;
    }
    
    .nav-list {
        position: fixed;
        top: 72px;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        padding: 2rem;
        transform: translateY(-150%);
        transition: transform 0.3s;
    }
    
    .nav-list.visible {
        transform: translateY(0);
    }
    
    .nav-list ul {
        flex-direction: column;
        gap: 1.2rem;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 2.3rem;
    }
    
    .hero .description {
        font-size: 1rem;
    }
    
    .game-frame iframe {
        height: 450px;
    }
    
    .features-row {
        gap: 2rem;
    }
    
    .content-area h1 {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .brand-title {
        font-size: 1.2rem;
    }
    
    .hero {
        padding: 5rem 1rem 3rem;
    }
    
    .hero h1 {
        font-size: 1.9rem;
    }
    
    .game-frame iframe {
        height: 320px;
    }
    
    .age-card {
        margin: 1rem;
        padding: 2rem;
    }
}